{
 "slug": "homer-sparrow-hall-1881",
 "object": {
  "holder": "National Gallery of Art",
  "accession": "2025.89.10",
  "catalogue_date": "c. 1881–1882",
  "title": "Sparrow Hall",
  "artist": "Winslow Homer",
  "medium": "oil on canvas"
 },
 "window": {
  "residence": "May 1881–November 1882",
  "start": "1882-01-01",
  "end": "1882-10-31",
  "days": 304,
  "basis": "All complete calendar months in 1882 before the documented 11 November departure from Liverpool. Daily sunshine in 1881 is missing. A record window inside the residence, not a date for the canvas."
 },
 "station": {
  "name": "Durham University Observatory",
  "lat": 54.768,
  "lon": -1.585,
  "elevation_m": 102,
  "km_to_cullercoats": 31.2,
  "instrument": "Campbell–Stokes sunshine recorder, south-facing observatory parapet",
  "scope": "Inland regional context. Distance is to the OSM Cullercoats place node, not the cottage."
 },
 "place": {
  "name": "Cullercoats place node",
  "lat": 55.0352433,
  "lon": -1.4341253,
  "osm_id": 9384166767
 },
 "sunshine": {
  "months": [
   {
    "month": 1,
    "days": 31,
    "observed_days": 31,
    "missing_days": 0,
    "sunshine_h": 55.6,
    "sunshine_reason": null,
    "days_with_sun": 27,
    "days_without_sun": 4,
    "warm_sun": {
     "days": 31,
     "paired_days": 31,
     "missing_pairs": 0,
     "count": 0,
     "dates": [],
     "percent": 0.0
    },
    "warm_days": 0,
    "tmax_mean_c": 7.4,
    "reference_mean_days": 0,
    "possible_additional_matches": 0
   },
   {
    "month": 2,
    "days": 28,
    "observed_days": 28,
    "missing_days": 0,
    "sunshine_h": 66.8,
    "sunshine_reason": null,
    "days_with_sun": 20,
    "days_without_sun": 8,
    "warm_sun": {
     "days": 28,
     "paired_days": 28,
     "missing_pairs": 0,
     "count": 0,
     "dates": [],
     "percent": 0.0
    },
    "warm_days": 0,
    "tmax_mean_c": 8.6,
    "reference_mean_days": 0,
    "possible_additional_matches": 0
   },
   {
    "month": 3,
    "days": 31,
    "observed_days": 31,
    "missing_days": 0,
    "sunshine_h": 127.1,
    "sunshine_reason": null,
    "days_with_sun": 28,
    "days_without_sun": 3,
    "warm_sun": {
     "days": 31,
     "paired_days": 31,
     "missing_pairs": 0,
     "count": 0,
     "dates": [],
     "percent": 0.0
    },
    "warm_days": 0,
    "tmax_mean_c": 10.5,
    "reference_mean_days": 0.03,
    "possible_additional_matches": 0
   },
   {
    "month": 4,
    "days": 30,
    "observed_days": 30,
    "missing_days": 0,
    "sunshine_h": 118.2,
    "sunshine_reason": null,
    "days_with_sun": 22,
    "days_without_sun": 8,
    "warm_sun": {
     "days": 30,
     "paired_days": 30,
     "missing_pairs": 0,
     "count": 0,
     "dates": [],
     "percent": 0.0
    },
    "warm_days": 0,
    "tmax_mean_c": 9.8,
    "reference_mean_days": 0.9,
    "possible_additional_matches": 0
   },
   {
    "month": 5,
    "days": 31,
    "observed_days": 30,
    "missing_days": 1,
    "sunshine_h": null,
    "sunshine_reason": "incomplete_month",
    "days_with_sun": 29,
    "days_without_sun": 1,
    "warm_sun": {
     "days": 31,
     "paired_days": 30,
     "missing_pairs": 1,
     "count": 4,
     "dates": [
      "1882-05-18",
      "1882-05-28",
      "1882-05-29",
      "1882-05-31"
     ],
     "percent": 13.3
    },
    "warm_days": 4,
    "tmax_mean_c": 14.7,
    "reference_mean_days": 3.3,
    "possible_additional_matches": 0
   },
   {
    "month": 6,
    "days": 30,
    "observed_days": 30,
    "missing_days": 0,
    "sunshine_h": 193.2,
    "sunshine_reason": null,
    "days_with_sun": 28,
    "days_without_sun": 2,
    "warm_sun": {
     "days": 30,
     "paired_days": 30,
     "missing_pairs": 0,
     "count": 5,
     "dates": [
      "1882-06-04",
      "1882-06-20",
      "1882-06-26",
      "1882-06-28",
      "1882-06-29"
     ],
     "percent": 16.7
    },
    "warm_days": 9,
    "tmax_mean_c": 16.6,
    "reference_mean_days": 7.67,
    "possible_additional_matches": 0
   },
   {
    "month": 7,
    "days": 31,
    "observed_days": 31,
    "missing_days": 0,
    "sunshine_h": 194.9,
    "sunshine_reason": null,
    "days_with_sun": 30,
    "days_without_sun": 1,
    "warm_sun": {
     "days": 31,
     "paired_days": 31,
     "missing_pairs": 0,
     "count": 16,
     "dates": [
      "1882-07-01",
      "1882-07-08",
      "1882-07-09",
      "1882-07-10",
      "1882-07-11",
      "1882-07-12",
      "1882-07-14",
      "1882-07-16",
      "1882-07-17",
      "1882-07-19",
      "1882-07-20",
      "1882-07-24",
      "1882-07-25",
      "1882-07-28",
      "1882-07-29",
      "1882-07-30"
     ],
     "percent": 51.6
    },
    "warm_days": 23,
    "tmax_mean_c": 19.0,
    "reference_mean_days": 9.6,
    "possible_additional_matches": 0
   },
   {
    "month": 8,
    "days": 31,
    "observed_days": 31,
    "missing_days": 0,
    "sunshine_h": 182.1,
    "sunshine_reason": null,
    "days_with_sun": 30,
    "days_without_sun": 1,
    "warm_sun": {
     "days": 31,
     "paired_days": 31,
     "missing_pairs": 0,
     "count": 12,
     "dates": [
      "1882-08-02",
      "1882-08-03",
      "1882-08-04",
      "1882-08-05",
      "1882-08-06",
      "1882-08-08",
      "1882-08-09",
      "1882-08-10",
      "1882-08-11",
      "1882-08-14",
      "1882-08-16",
      "1882-08-21"
     ],
     "percent": 38.7
    },
    "warm_days": 19,
    "tmax_mean_c": 19.0,
    "reference_mean_days": 10.13,
    "possible_additional_matches": 0
   },
   {
    "month": 9,
    "days": 30,
    "observed_days": 30,
    "missing_days": 0,
    "sunshine_h": 104.3,
    "sunshine_reason": null,
    "days_with_sun": 25,
    "days_without_sun": 5,
    "warm_sun": {
     "days": 30,
     "paired_days": 30,
     "missing_pairs": 0,
     "count": 1,
     "dates": [
      "1882-09-07"
     ],
     "percent": 3.3
    },
    "warm_days": 3,
    "tmax_mean_c": 15.2,
    "reference_mean_days": 4,
    "possible_additional_matches": 0
   },
   {
    "month": 10,
    "days": 31,
    "observed_days": 31,
    "missing_days": 0,
    "sunshine_h": 72.9,
    "sunshine_reason": null,
    "days_with_sun": 17,
    "days_without_sun": 14,
    "warm_sun": {
     "days": 31,
     "paired_days": 31,
     "missing_pairs": 0,
     "count": 0,
     "dates": [],
     "percent": 0.0
    },
    "warm_days": 1,
    "tmax_mean_c": 12.0,
    "reference_mean_days": 0.43,
    "possible_additional_matches": 0
   }
  ],
  "days_with_sun": 256,
  "days_without_sun": 47,
  "hours": null,
  "hours_reason": "incomplete_period",
  "observed_days": 303,
  "missing_dates": [
   "1882-05-05"
  ],
  "months_with_sun": 10,
  "threshold": "Strictly greater than zero recorded hours; not a whole sunny day.",
  "missing_1881_days": 365,
  "missing_1881_reason": "daily_values_missing; not_zero"
 },
 "series": [
  {
   "date": "1882-01-01",
   "sunshine_h": 1.0,
   "tmax_c": 6.3,
   "tmax_raw_value": "6.3",
   "tmax_reason": null,
   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14066",
   "reason": null,
   "raw_value": "1",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14066"
  },
  {
   "date": "1882-01-02",
   "sunshine_h": 3.7,
   "tmax_c": 10.1,
   "tmax_raw_value": "10.1",
   "tmax_reason": null,
   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14067",
   "reason": null,
   "raw_value": "3.7",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14067"
  },
  {
   "date": "1882-01-03",
   "sunshine_h": 1.8,
   "tmax_c": 10.1,
   "tmax_raw_value": "10.1",
   "tmax_reason": null,
   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14068",
   "reason": null,
   "raw_value": "1.8",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14068"
  },
  {
   "date": "1882-01-04",
   "sunshine_h": 4.0,
   "tmax_c": 5.5,
   "tmax_raw_value": "5.5",
   "tmax_reason": null,
   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14069",
   "reason": null,
   "raw_value": "4",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14069"
  },
  {
   "date": "1882-01-05",
   "sunshine_h": 2.3,
   "tmax_c": 11.3,
   "tmax_raw_value": "11.3",
   "tmax_reason": null,
   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14070",
   "reason": null,
   "raw_value": "2.2999999999999998",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14070"
  },
  {
   "date": "1882-01-06",
   "sunshine_h": 3.1,
   "tmax_c": 8.8,
   "tmax_raw_value": "8.8000000000000007",
   "tmax_reason": null,
   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14071",
   "reason": null,
   "raw_value": "3.1",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14071"
  },
  {
   "date": "1882-01-07",
   "sunshine_h": 4.0,
   "tmax_c": 4.8,
   "tmax_raw_value": "4.8",
   "tmax_reason": null,
   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14072",
   "reason": null,
   "raw_value": "4",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14072"
  },
  {
   "date": "1882-01-08",
   "sunshine_h": 0.3,
   "tmax_c": 7.1,
   "tmax_raw_value": "7.1",
   "tmax_reason": null,
   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14073",
   "reason": null,
   "raw_value": "0.3",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14073"
  },
  {
   "date": "1882-01-09",
   "sunshine_h": 2.4,
   "tmax_c": 7.3,
   "tmax_raw_value": "7.3",
   "tmax_reason": null,
   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14074",
   "reason": null,
   "raw_value": "2.4",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14074"
  },
  {
   "date": "1882-01-10",
   "sunshine_h": 1.2,
   "tmax_c": 7.8,
   "tmax_raw_value": "7.8",
   "tmax_reason": null,
   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14075",
   "reason": null,
   "raw_value": "1.2",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14075"
  },
  {
   "date": "1882-01-11",
   "sunshine_h": 0.1,
   "tmax_c": 9.0,
   "tmax_raw_value": "9",
   "tmax_reason": null,
   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14076",
   "reason": null,
   "raw_value": "0.1",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14076"
  },
  {
   "date": "1882-01-12",
   "sunshine_h": 1.2,
   "tmax_c": 7.4,
   "tmax_raw_value": "7.4",
   "tmax_reason": null,
   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14077",
   "reason": null,
   "raw_value": "1.2",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14077"
  },
  {
   "date": "1882-01-13",
   "sunshine_h": 0.1,
   "tmax_c": 7.7,
   "tmax_raw_value": "7.7",
   "tmax_reason": null,
   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14078",
   "reason": null,
   "raw_value": "0.1",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14078"
  },
  {
   "date": "1882-01-14",
   "sunshine_h": 0.1,
   "tmax_c": 6.1,
   "tmax_raw_value": "6.1",
   "tmax_reason": null,
   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14079",
   "reason": null,
   "raw_value": "0.1",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14079"
  },
  {
   "date": "1882-01-15",
   "sunshine_h": 0.0,
   "tmax_c": 6.3,
   "tmax_raw_value": "6.3",
   "tmax_reason": null,
   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14080",
   "reason": null,
   "raw_value": "0",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14080"
  },
  {
   "date": "1882-01-16",
   "sunshine_h": 0.7,
   "tmax_c": 5.9,
   "tmax_raw_value": "5.9",
   "tmax_reason": null,
   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14081",
   "reason": null,
   "raw_value": "0.7",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14081"
  },
  {
   "date": "1882-01-17",
   "sunshine_h": 2.4,
   "tmax_c": 5.9,
   "tmax_raw_value": "5.9",
   "tmax_reason": null,
   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14082",
   "reason": null,
   "raw_value": "2.4",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14082"
  },
  {
   "date": "1882-01-18",
   "sunshine_h": 1.4,
   "tmax_c": 10.3,
   "tmax_raw_value": "10.3",
   "tmax_reason": null,
   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14083",
   "reason": null,
   "raw_value": "1.4",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14083"
  },
  {
   "date": "1882-01-19",
   "sunshine_h": 3.8,
   "tmax_c": 9.3,
   "tmax_raw_value": "9.3000000000000007",
   "tmax_reason": null,
   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14084",
   "reason": null,
   "raw_value": "3.8",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14084"
  },
  {
   "date": "1882-01-20",
   "sunshine_h": 0.0,
   "tmax_c": 5.2,
   "tmax_raw_value": "5.2",
   "tmax_reason": null,
   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14085",
   "reason": null,
   "raw_value": "0",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14085"
  },
  {
   "date": "1882-01-21",
   "sunshine_h": 5.8,
   "tmax_c": 8.3,
   "tmax_raw_value": "8.3000000000000007",
   "tmax_reason": null,
   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14086",
   "reason": null,
   "raw_value": "5.8",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14086"
  },
  {
   "date": "1882-01-22",
   "sunshine_h": 0.7,
   "tmax_c": 8.2,
   "tmax_raw_value": "8.1999999999999993",
   "tmax_reason": null,
   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14087",
   "reason": null,
   "raw_value": "0.7",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14087"
  },
  {
   "date": "1882-01-23",
   "sunshine_h": 4.6,
   "tmax_c": 9.2,
   "tmax_raw_value": "9.1999999999999993",
   "tmax_reason": null,
   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14088",
   "reason": null,
   "raw_value": "4.5999999999999996",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14088"
  },
  {
   "date": "1882-01-24",
   "sunshine_h": 5.7,
   "tmax_c": 9.9,
   "tmax_raw_value": "9.9",
   "tmax_reason": null,
   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14089",
   "reason": null,
   "raw_value": "5.7",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14089"
  },
  {
   "date": "1882-01-25",
   "sunshine_h": 0.5,
   "tmax_c": 7.4,
   "tmax_raw_value": "7.4",
   "tmax_reason": null,
   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14090",
   "reason": null,
   "raw_value": "0.5",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14090"
  },
  {
   "date": "1882-01-26",
   "sunshine_h": 0.0,
   "tmax_c": 4.0,
   "tmax_raw_value": "4",
   "tmax_reason": null,
   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14091",
   "reason": null,
   "raw_value": "0",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14091"
  },
  {
   "date": "1882-01-27",
   "sunshine_h": 2.8,
   "tmax_c": 6.3,
   "tmax_raw_value": "6.3",
   "tmax_reason": null,
   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14092",
   "reason": null,
   "raw_value": "2.8",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14092"
  },
  {
   "date": "1882-01-28",
   "sunshine_h": 1.5,
   "tmax_c": 9.4,
   "tmax_raw_value": "9.4",
   "tmax_reason": null,
   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14093",
   "reason": null,
   "raw_value": "1.5",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14093"
  },
  {
   "date": "1882-01-29",
   "sunshine_h": 0.0,
   "tmax_c": 4.6,
   "tmax_raw_value": "4.5999999999999996",
   "tmax_reason": null,
   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14094",
   "reason": null,
   "raw_value": "0",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14094"
  },
  {
   "date": "1882-01-30",
   "sunshine_h": 0.1,
   "tmax_c": 4.6,
   "tmax_raw_value": "4.5999999999999996",
   "tmax_reason": null,
   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14095",
   "reason": null,
   "raw_value": "0.1",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14095"
  },
  {
   "date": "1882-01-31",
   "sunshine_h": 0.3,
   "tmax_c": 4.8,
   "tmax_raw_value": "4.8",
   "tmax_reason": null,
   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14096",
   "reason": null,
   "raw_value": "0.3",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14096"
  },
  {
   "date": "1882-02-01",
   "sunshine_h": 2.7,
   "tmax_c": 3.4,
   "tmax_raw_value": "3.4",
   "tmax_reason": null,
   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14097",
   "reason": null,
   "raw_value": "2.7",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14097"
  },
  {
   "date": "1882-02-02",
   "sunshine_h": 0.9,
   "tmax_c": 4.6,
   "tmax_raw_value": "4.5999999999999996",
   "tmax_reason": null,
   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14098",
   "reason": null,
   "raw_value": "0.9",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14098"
  },
  {
   "date": "1882-02-03",
   "sunshine_h": 0.0,
   "tmax_c": 6.2,
   "tmax_raw_value": "6.2",
   "tmax_reason": null,
   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14099",
   "reason": null,
   "raw_value": "0",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14099"
  },
  {
   "date": "1882-02-04",
   "sunshine_h": 5.5,
   "tmax_c": 8.7,
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   "date": "1882-09-14",
   "sunshine_h": 0.0,
   "tmax_c": 10.3,
   "tmax_raw_value": "10.3",
   "tmax_reason": null,
   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14322",
   "reason": null,
   "raw_value": "0",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14322"
  },
  {
   "date": "1882-09-15",
   "sunshine_h": 8.2,
   "tmax_c": 15.4,
   "tmax_raw_value": "15.4",
   "tmax_reason": null,
   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14323",
   "reason": null,
   "raw_value": "8.1999999999999993",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14323"
  },
  {
   "date": "1882-09-16",
   "sunshine_h": 9.0,
   "tmax_c": 17.1,
   "tmax_raw_value": "17.100000000000001",
   "tmax_reason": null,
   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14324",
   "reason": null,
   "raw_value": "9",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14324"
  },
  {
   "date": "1882-09-17",
   "sunshine_h": 1.2,
   "tmax_c": 15.4,
   "tmax_raw_value": "15.4",
   "tmax_reason": null,
   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14325",
   "reason": null,
   "raw_value": "1.2",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14325"
  },
  {
   "date": "1882-09-18",
   "sunshine_h": 8.5,
   "tmax_c": 13.9,
   "tmax_raw_value": "13.9",
   "tmax_reason": null,
   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14326",
   "reason": null,
   "raw_value": "8.5",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14326"
  },
  {
   "date": "1882-09-19",
   "sunshine_h": 0.0,
   "tmax_c": 12.5,
   "tmax_raw_value": "12.5",
   "tmax_reason": null,
   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14327",
   "reason": null,
   "raw_value": "0",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14327"
  },
  {
   "date": "1882-09-20",
   "sunshine_h": 0.0,
   "tmax_c": 12.0,
   "tmax_raw_value": "12",
   "tmax_reason": null,
   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14328",
   "reason": null,
   "raw_value": "0",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14328"
  },
  {
   "date": "1882-09-21",
   "sunshine_h": 0.2,
   "tmax_c": 12.3,
   "tmax_raw_value": "12.3",
   "tmax_reason": null,
   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14329",
   "reason": null,
   "raw_value": "0.2",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14329"
  },
  {
   "date": "1882-09-22",
   "sunshine_h": 4.6,
   "tmax_c": 15.2,
   "tmax_raw_value": "15.2",
   "tmax_reason": null,
   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14330",
   "reason": null,
   "raw_value": "4.5999999999999996",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14330"
  },
  {
   "date": "1882-09-23",
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   "tmax_c": 13.5,
   "tmax_raw_value": "13.5",
   "tmax_reason": null,
   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14331",
   "reason": null,
   "raw_value": "0",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14331"
  },
  {
   "date": "1882-09-24",
   "sunshine_h": 3.9,
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   "tmax_raw_value": "17.100000000000001",
   "tmax_reason": null,
   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14332",
   "reason": null,
   "raw_value": "3.9",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14332"
  },
  {
   "date": "1882-09-25",
   "sunshine_h": 0.4,
   "tmax_c": 15.1,
   "tmax_raw_value": "15.1",
   "tmax_reason": null,
   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14333",
   "reason": null,
   "raw_value": "0.4",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14333"
  },
  {
   "date": "1882-09-26",
   "sunshine_h": 3.0,
   "tmax_c": 15.9,
   "tmax_raw_value": "15.9",
   "tmax_reason": null,
   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14334",
   "reason": null,
   "raw_value": "3",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14334"
  },
  {
   "date": "1882-09-27",
   "sunshine_h": 0.2,
   "tmax_c": 14.8,
   "tmax_raw_value": "14.8",
   "tmax_reason": null,
   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14335",
   "reason": null,
   "raw_value": "0.2",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14335"
  },
  {
   "date": "1882-09-28",
   "sunshine_h": 8.3,
   "tmax_c": 15.0,
   "tmax_raw_value": "15",
   "tmax_reason": null,
   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14336",
   "reason": null,
   "raw_value": "8.3000000000000007",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14336"
  },
  {
   "date": "1882-09-29",
   "sunshine_h": 3.0,
   "tmax_c": 13.6,
   "tmax_raw_value": "13.6",
   "tmax_reason": null,
   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14337",
   "reason": null,
   "raw_value": "3",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14337"
  },
  {
   "date": "1882-09-30",
   "sunshine_h": 0.5,
   "tmax_c": 12.0,
   "tmax_raw_value": "12",
   "tmax_reason": null,
   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14338",
   "reason": null,
   "raw_value": "0.5",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14338"
  },
  {
   "date": "1882-10-01",
   "sunshine_h": 3.1,
   "tmax_c": 19.2,
   "tmax_raw_value": "19.2",
   "tmax_reason": null,
   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14339",
   "reason": null,
   "raw_value": "3.1",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14339"
  },
  {
   "date": "1882-10-02",
   "sunshine_h": 8.2,
   "tmax_c": 15.6,
   "tmax_raw_value": "15.6",
   "tmax_reason": null,
   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14340",
   "reason": null,
   "raw_value": "8.1999999999999993",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14340"
  },
  {
   "date": "1882-10-03",
   "sunshine_h": 6.7,
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   "tmax_raw_value": "14.5",
   "tmax_reason": null,
   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14341",
   "reason": null,
   "raw_value": "6.7",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14341"
  },
  {
   "date": "1882-10-04",
   "sunshine_h": 0.0,
   "tmax_c": 15.4,
   "tmax_raw_value": "15.4",
   "tmax_reason": null,
   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14342",
   "reason": null,
   "raw_value": "0",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14342"
  },
  {
   "date": "1882-10-05",
   "sunshine_h": 0.0,
   "tmax_c": 12.5,
   "tmax_raw_value": "12.5",
   "tmax_reason": null,
   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14343",
   "reason": null,
   "raw_value": "0",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14343"
  },
  {
   "date": "1882-10-06",
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   "tmax_c": 13.5,
   "tmax_raw_value": "13.5",
   "tmax_reason": null,
   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14344",
   "reason": null,
   "raw_value": "1.5",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14344"
  },
  {
   "date": "1882-10-07",
   "sunshine_h": 0.0,
   "tmax_c": 11.8,
   "tmax_raw_value": "11.8",
   "tmax_reason": null,
   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14345",
   "reason": null,
   "raw_value": "0",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14345"
  },
  {
   "date": "1882-10-08",
   "sunshine_h": 0.0,
   "tmax_c": 12.4,
   "tmax_raw_value": "12.4",
   "tmax_reason": null,
   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14346",
   "reason": null,
   "raw_value": "0",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14346"
  },
  {
   "date": "1882-10-09",
   "sunshine_h": 6.6,
   "tmax_c": 15.9,
   "tmax_raw_value": "15.9",
   "tmax_reason": null,
   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14347",
   "reason": null,
   "raw_value": "6.6",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14347"
  },
  {
   "date": "1882-10-10",
   "sunshine_h": 0.0,
   "tmax_c": 9.8,
   "tmax_raw_value": "9.8000000000000007",
   "tmax_reason": null,
   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14348",
   "reason": null,
   "raw_value": "0",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14348"
  },
  {
   "date": "1882-10-11",
   "sunshine_h": 0.0,
   "tmax_c": 13.2,
   "tmax_raw_value": "13.2",
   "tmax_reason": null,
   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14349",
   "reason": null,
   "raw_value": "0",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14349"
  },
  {
   "date": "1882-10-12",
   "sunshine_h": 0.0,
   "tmax_c": 13.1,
   "tmax_raw_value": "13.1",
   "tmax_reason": null,
   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14350",
   "reason": null,
   "raw_value": "0",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14350"
  },
  {
   "date": "1882-10-13",
   "sunshine_h": 0.0,
   "tmax_c": 12.6,
   "tmax_raw_value": "12.6",
   "tmax_reason": null,
   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14351",
   "reason": null,
   "raw_value": "0",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14351"
  },
  {
   "date": "1882-10-14",
   "sunshine_h": 3.0,
   "tmax_c": 14.0,
   "tmax_raw_value": "14",
   "tmax_reason": null,
   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14352",
   "reason": null,
   "raw_value": "3",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14352"
  },
  {
   "date": "1882-10-15",
   "sunshine_h": 0.0,
   "tmax_c": 9.8,
   "tmax_raw_value": "9.8000000000000007",
   "tmax_reason": null,
   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14353",
   "reason": null,
   "raw_value": "0",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14353"
  },
  {
   "date": "1882-10-16",
   "sunshine_h": 0.0,
   "tmax_c": 9.5,
   "tmax_raw_value": "9.5",
   "tmax_reason": null,
   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14354",
   "reason": null,
   "raw_value": "0",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14354"
  },
  {
   "date": "1882-10-17",
   "sunshine_h": 5.7,
   "tmax_c": 10.9,
   "tmax_raw_value": "10.9",
   "tmax_reason": null,
   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14355",
   "reason": null,
   "raw_value": "5.7",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14355"
  },
  {
   "date": "1882-10-18",
   "sunshine_h": 1.3,
   "tmax_c": 11.5,
   "tmax_raw_value": "11.5",
   "tmax_reason": null,
   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14356",
   "reason": null,
   "raw_value": "1.3",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14356"
  },
  {
   "date": "1882-10-19",
   "sunshine_h": 0.0,
   "tmax_c": 10.8,
   "tmax_raw_value": "10.8",
   "tmax_reason": null,
   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14357",
   "reason": null,
   "raw_value": "0",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14357"
  },
  {
   "date": "1882-10-20",
   "sunshine_h": 4.4,
   "tmax_c": 13.5,
   "tmax_raw_value": "13.5",
   "tmax_reason": null,
   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14358",
   "reason": null,
   "raw_value": "4.4000000000000004",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14358"
  },
  {
   "date": "1882-10-21",
   "sunshine_h": 0.0,
   "tmax_c": 10.3,
   "tmax_raw_value": "10.3",
   "tmax_reason": null,
   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14359",
   "reason": null,
   "raw_value": "0",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14359"
  },
  {
   "date": "1882-10-22",
   "sunshine_h": 3.3,
   "tmax_c": 12.5,
   "tmax_raw_value": "12.5",
   "tmax_reason": null,
   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14360",
   "reason": null,
   "raw_value": "3.3",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14360"
  },
  {
   "date": "1882-10-23",
   "sunshine_h": 2.7,
   "tmax_c": 10.8,
   "tmax_raw_value": "10.8",
   "tmax_reason": null,
   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14361",
   "reason": null,
   "raw_value": "2.7",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14361"
  },
  {
   "date": "1882-10-24",
   "sunshine_h": 0.0,
   "tmax_c": 7.2,
   "tmax_raw_value": "7.2",
   "tmax_reason": null,
   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14362",
   "reason": null,
   "raw_value": "0",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14362"
  },
  {
   "date": "1882-10-25",
   "sunshine_h": 8.0,
   "tmax_c": 11.8,
   "tmax_raw_value": "11.8",
   "tmax_reason": null,
   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14363",
   "reason": null,
   "raw_value": "8",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14363"
  },
  {
   "date": "1882-10-26",
   "sunshine_h": 6.8,
   "tmax_c": 9.0,
   "tmax_raw_value": "9",
   "tmax_reason": null,
   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14364",
   "reason": null,
   "raw_value": "6.8",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14364"
  },
  {
   "date": "1882-10-27",
   "sunshine_h": 0.0,
   "tmax_c": 8.9,
   "tmax_raw_value": "8.9",
   "tmax_reason": null,
   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14365",
   "reason": null,
   "raw_value": "0",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14365"
  },
  {
   "date": "1882-10-28",
   "sunshine_h": 1.2,
   "tmax_c": 10.0,
   "tmax_raw_value": "10",
   "tmax_reason": null,
   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14366",
   "reason": null,
   "raw_value": "1.2",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14366"
  },
  {
   "date": "1882-10-29",
   "sunshine_h": 4.8,
   "tmax_c": 9.2,
   "tmax_raw_value": "9.1999999999999993",
   "tmax_reason": null,
   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14367",
   "reason": null,
   "raw_value": "4.8",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14367"
  },
  {
   "date": "1882-10-30",
   "sunshine_h": 2.5,
   "tmax_c": 10.4,
   "tmax_raw_value": "10.4",
   "tmax_reason": null,
   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14368",
   "reason": null,
   "raw_value": "2.5",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14368"
  },
  {
   "date": "1882-10-31",
   "sunshine_h": 3.1,
   "tmax_c": 11.0,
   "tmax_raw_value": "11",
   "tmax_reason": null,
   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14369",
   "reason": null,
   "raw_value": "3.1",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14369"
  }
 ],
 "shields": {
  "rows": [
   {
    "date": "1882-01-01",
    "pdf_page": 6,
    "weather_verbatim": "r",
    "accepted": true,
    "reading": "rain"
   },
   {
    "date": "1882-01-02",
    "pdf_page": 10,
    "weather_verbatim": "b",
    "accepted": true,
    "reading": "blue sky"
   },
   {
    "date": "1882-01-03",
    "pdf_page": 14,
    "weather_verbatim": "o",
    "accepted": true,
    "reading": "overcast"
   },
   {
    "date": "1882-01-04",
    "pdf_page": 18,
    "weather_verbatim": "b",
    "accepted": true,
    "reading": "blue sky"
   },
   {
    "date": "1882-01-05",
    "pdf_page": 22,
    "weather_verbatim": "om",
    "accepted": true,
    "reading": "overcast; misty (hazy)"
   },
   {
    "date": "1882-01-06",
    "pdf_page": 26,
    "weather_verbatim": "c",
    "accepted": true,
    "reading": "detached clouds"
   },
   {
    "date": "1882-01-07",
    "pdf_page": 30,
    "weather_verbatim": "m",
    "accepted": true,
    "reading": "misty (hazy)"
   }
  ],
  "station_as_printed": "Shields",
  "selection": "First seven consecutive days of the first year with Durham daily sunshine; chosen before reading the individual Shields cells. A coverage demonstration, not a representative weather sample or proposed painting week.",
  "unresolved": {
   "observer": null,
   "station_coordinates": null,
   "distance_to_cottage_km": null,
   "reason": "exact_1882_station_site_and_observer_not_established",
   "rainfall": null,
   "rainfall_reason": "not_transcribed; dashes not interpreted as zero",
   "sunshine_hours": null,
   "sunshine_reason": "weather_code_is_not_sunshine_duration"
  }
 },
 "quotes": {
  "sunshine": {
   "text": "apparently enjoying the sunshine.",
   "source": "kelly",
   "locator": "p. 82 / PDF p. 91"
  },
  "completion": {
   "text": "possibly completed during his stay abroad.",
   "source": "kelly",
   "locator": "p. 81 / PDF p. 90"
  },
  "residence": {
   "text": "From May 1881 to November 1882, Homer lived in the small fishing village of Cullercoats",
   "source": "residence",
   "locator": "About Winslow Homer"
  },
  "signature": {
   "text": "Unsigned",
   "source": "kelly",
   "locator": "p. 154 / PDF p. 163"
  },
  "practice": {
   "text": "studying, reworking and planning",
   "source": "studio",
   "locator": "Martha Tedeschi, quoted by Robert M. Poole, May 2008; general watercolor practice"
  },
  "fine_weather": {
   "text": "Favoured by exceptionally fine weather the crowds that visited the Moor were fully as large as could be anticipated",
   "source": "newspaper",
   "locator": "The Consett Guardian, 30 June 1882, printed p. 5, first full column, Town Moor paragraph",
   "place": "Newcastle Town Moor",
   "date_scope": "publication date; the excerpt does not date each gala day"
  }
 },
 "visual_reading": "Nephos’s reading of the picture, not a museum statement: a warm, sunny day in Cullercoats. Women have bare forearms and aprons; children sit on the steps beside open doorways; strong, warm light crosses the masonry wall and stair, with crisp shadows. The warmth is an interpretation of these cues, not a measured air temperature; work dress and a sheltered doorway can also suit cooler weather.",
 "headline": "At Durham, 38 of 303 paired days in January–October 1882 reached 18°C with at least six sunshine hours; 28 were in July and August. That combination occurred on 33 of 92 summer days: seasonal, but no rarity within summer.",
 "warm_sun": {
  "days": 304,
  "paired_days": 303,
  "missing_pairs": 1,
  "count": 38,
  "dates": [
   "1882-05-18",
   "1882-05-28",
   "1882-05-29",
   "1882-05-31",
   "1882-06-04",
   "1882-06-20",
   "1882-06-26",
   "1882-06-28",
   "1882-06-29",
   "1882-07-01",
   "1882-07-08",
   "1882-07-09",
   "1882-07-10",
   "1882-07-11",
   "1882-07-12",
   "1882-07-14",
   "1882-07-16",
   "1882-07-17",
   "1882-07-19",
   "1882-07-20",
   "1882-07-24",
   "1882-07-25",
   "1882-07-28",
   "1882-07-29",
   "1882-07-30",
   "1882-08-02",
   "1882-08-03",
   "1882-08-04",
   "1882-08-05",
   "1882-08-06",
   "1882-08-08",
   "1882-08-09",
   "1882-08-10",
   "1882-08-11",
   "1882-08-14",
   "1882-08-16",
   "1882-08-21",
   "1882-09-07"
  ],
  "percent": 12.5,
  "threshold": {
   "tmax_c": 18,
   "sunshine_h": 6,
   "operator": ">=",
   "basis": "Nephos operational definition, not a standard climate index or an inferred temperature/duration in the picture."
  },
  "sensitivity": [
   {
    "tmax_c": 16,
    "sunshine_h": 6,
    "days": 304,
    "paired_days": 303,
    "missing_pairs": 1,
    "count": 61,
    "dates": [
     "1882-03-16",
     "1882-05-11",
     "1882-05-12",
     "1882-05-17",
     "1882-05-18",
     "1882-05-19",
     "1882-05-23",
     "1882-05-26",
     "1882-05-27",
     "1882-05-28",
     "1882-05-29",
     "1882-05-30",
     "1882-05-31",
     "1882-06-01",
     "1882-06-04",
     "1882-06-05",
     "1882-06-06",
     "1882-06-14",
     "1882-06-18",
     "1882-06-20",
     "1882-06-26",
     "1882-06-28",
     "1882-06-29",
     "1882-06-30",
     "1882-07-01",
     "1882-07-08",
     "1882-07-09",
     "1882-07-10",
     "1882-07-11",
     "1882-07-12",
     "1882-07-14",
     "1882-07-16",
     "1882-07-17",
     "1882-07-19",
     "1882-07-20",
     "1882-07-23",
     "1882-07-24",
     "1882-07-25",
     "1882-07-28",
     "1882-07-29",
     "1882-07-30",
     "1882-08-02",
     "1882-08-03",
     "1882-08-04",
     "1882-08-05",
     "1882-08-06",
     "1882-08-08",
     "1882-08-09",
     "1882-08-10",
     "1882-08-11",
     "1882-08-14",
     "1882-08-16",
     "1882-08-20",
     "1882-08-21",
     "1882-08-22",
     "1882-08-24",
     "1882-08-30",
     "1882-09-06",
     "1882-09-07",
     "1882-09-09",
     "1882-09-16"
    ],
    "percent": 20.1
   },
   {
    "tmax_c": 18,
    "sunshine_h": 4,
    "days": 304,
    "paired_days": 303,
    "missing_pairs": 1,
    "count": 46,
    "dates": [
     "1882-05-18",
     "1882-05-28",
     "1882-05-29",
     "1882-05-31",
     "1882-06-04",
     "1882-06-07",
     "1882-06-20",
     "1882-06-23",
     "1882-06-25",
     "1882-06-26",
     "1882-06-27",
     "1882-06-28",
     "1882-06-29",
     "1882-07-01",
     "1882-07-05",
     "1882-07-08",
     "1882-07-09",
     "1882-07-10",
     "1882-07-11",
     "1882-07-12",
     "1882-07-14",
     "1882-07-15",
     "1882-07-16",
     "1882-07-17",
     "1882-07-19",
     "1882-07-20",
     "1882-07-22",
     "1882-07-24",
     "1882-07-25",
     "1882-07-28",
     "1882-07-29",
     "1882-07-30",
     "1882-08-02",
     "1882-08-03",
     "1882-08-04",
     "1882-08-05",
     "1882-08-06",
     "1882-08-08",
     "1882-08-09",
     "1882-08-10",
     "1882-08-11",
     "1882-08-12",
     "1882-08-14",
     "1882-08-16",
     "1882-08-21",
     "1882-09-07"
    ],
    "percent": 15.2
   },
   {
    "tmax_c": 18,
    "sunshine_h": 6,
    "days": 304,
    "paired_days": 303,
    "missing_pairs": 1,
    "count": 38,
    "dates": [
     "1882-05-18",
     "1882-05-28",
     "1882-05-29",
     "1882-05-31",
     "1882-06-04",
     "1882-06-20",
     "1882-06-26",
     "1882-06-28",
     "1882-06-29",
     "1882-07-01",
     "1882-07-08",
     "1882-07-09",
     "1882-07-10",
     "1882-07-11",
     "1882-07-12",
     "1882-07-14",
     "1882-07-16",
     "1882-07-17",
     "1882-07-19",
     "1882-07-20",
     "1882-07-24",
     "1882-07-25",
     "1882-07-28",
     "1882-07-29",
     "1882-07-30",
     "1882-08-02",
     "1882-08-03",
     "1882-08-04",
     "1882-08-05",
     "1882-08-06",
     "1882-08-08",
     "1882-08-09",
     "1882-08-10",
     "1882-08-11",
     "1882-08-14",
     "1882-08-16",
     "1882-08-21",
     "1882-09-07"
    ],
    "percent": 12.5
   },
   {
    "tmax_c": 20,
    "sunshine_h": 6,
    "days": 304,
    "paired_days": 303,
    "missing_pairs": 1,
    "count": 18,
    "dates": [
     "1882-07-01",
     "1882-07-08",
     "1882-07-10",
     "1882-07-11",
     "1882-07-12",
     "1882-07-14",
     "1882-07-17",
     "1882-07-25",
     "1882-07-28",
     "1882-07-29",
     "1882-07-30",
     "1882-08-03",
     "1882-08-05",
     "1882-08-06",
     "1882-08-10",
     "1882-08-11",
     "1882-08-14",
     "1882-08-16"
    ],
    "percent": 5.9
   }
  ],
  "july_august_count": 28,
  "summer": {
   "days": 92,
   "paired_days": 92,
   "missing_pairs": 0,
   "count": 33,
   "dates": [
    "1882-06-04",
    "1882-06-20",
    "1882-06-26",
    "1882-06-28",
    "1882-06-29",
    "1882-07-01",
    "1882-07-08",
    "1882-07-09",
    "1882-07-10",
    "1882-07-11",
    "1882-07-12",
    "1882-07-14",
    "1882-07-16",
    "1882-07-17",
    "1882-07-19",
    "1882-07-20",
    "1882-07-24",
    "1882-07-25",
    "1882-07-28",
    "1882-07-29",
    "1882-07-30",
    "1882-08-02",
    "1882-08-03",
    "1882-08-04",
    "1882-08-05",
    "1882-08-06",
    "1882-08-08",
    "1882-08-09",
    "1882-08-10",
    "1882-08-11",
    "1882-08-14",
    "1882-08-16",
    "1882-08-21"
   ],
   "percent": 35.9
  },
  "months": [
   {
    "month": 1,
    "days": 31,
    "observed_days": 31,
    "missing_days": 0,
    "sunshine_h": 55.6,
    "sunshine_reason": null,
    "days_with_sun": 27,
    "days_without_sun": 4,
    "warm_sun": {
     "days": 31,
     "paired_days": 31,
     "missing_pairs": 0,
     "count": 0,
     "dates": [],
     "percent": 0.0
    },
    "warm_days": 0,
    "tmax_mean_c": 7.4,
    "reference_mean_days": 0,
    "possible_additional_matches": 0
   },
   {
    "month": 2,
    "days": 28,
    "observed_days": 28,
    "missing_days": 0,
    "sunshine_h": 66.8,
    "sunshine_reason": null,
    "days_with_sun": 20,
    "days_without_sun": 8,
    "warm_sun": {
     "days": 28,
     "paired_days": 28,
     "missing_pairs": 0,
     "count": 0,
     "dates": [],
     "percent": 0.0
    },
    "warm_days": 0,
    "tmax_mean_c": 8.6,
    "reference_mean_days": 0,
    "possible_additional_matches": 0
   },
   {
    "month": 3,
    "days": 31,
    "observed_days": 31,
    "missing_days": 0,
    "sunshine_h": 127.1,
    "sunshine_reason": null,
    "days_with_sun": 28,
    "days_without_sun": 3,
    "warm_sun": {
     "days": 31,
     "paired_days": 31,
     "missing_pairs": 0,
     "count": 0,
     "dates": [],
     "percent": 0.0
    },
    "warm_days": 0,
    "tmax_mean_c": 10.5,
    "reference_mean_days": 0.03,
    "possible_additional_matches": 0
   },
   {
    "month": 4,
    "days": 30,
    "observed_days": 30,
    "missing_days": 0,
    "sunshine_h": 118.2,
    "sunshine_reason": null,
    "days_with_sun": 22,
    "days_without_sun": 8,
    "warm_sun": {
     "days": 30,
     "paired_days": 30,
     "missing_pairs": 0,
     "count": 0,
     "dates": [],
     "percent": 0.0
    },
    "warm_days": 0,
    "tmax_mean_c": 9.8,
    "reference_mean_days": 0.9,
    "possible_additional_matches": 0
   },
   {
    "month": 5,
    "days": 31,
    "observed_days": 30,
    "missing_days": 1,
    "sunshine_h": null,
    "sunshine_reason": "incomplete_month",
    "days_with_sun": 29,
    "days_without_sun": 1,
    "warm_sun": {
     "days": 31,
     "paired_days": 30,
     "missing_pairs": 1,
     "count": 4,
     "dates": [
      "1882-05-18",
      "1882-05-28",
      "1882-05-29",
      "1882-05-31"
     ],
     "percent": 13.3
    },
    "warm_days": 4,
    "tmax_mean_c": 14.7,
    "reference_mean_days": 3.3,
    "possible_additional_matches": 0
   },
   {
    "month": 6,
    "days": 30,
    "observed_days": 30,
    "missing_days": 0,
    "sunshine_h": 193.2,
    "sunshine_reason": null,
    "days_with_sun": 28,
    "days_without_sun": 2,
    "warm_sun": {
     "days": 30,
     "paired_days": 30,
     "missing_pairs": 0,
     "count": 5,
     "dates": [
      "1882-06-04",
      "1882-06-20",
      "1882-06-26",
      "1882-06-28",
      "1882-06-29"
     ],
     "percent": 16.7
    },
    "warm_days": 9,
    "tmax_mean_c": 16.6,
    "reference_mean_days": 7.67,
    "possible_additional_matches": 0
   },
   {
    "month": 7,
    "days": 31,
    "observed_days": 31,
    "missing_days": 0,
    "sunshine_h": 194.9,
    "sunshine_reason": null,
    "days_with_sun": 30,
    "days_without_sun": 1,
    "warm_sun": {
     "days": 31,
     "paired_days": 31,
     "missing_pairs": 0,
     "count": 16,
     "dates": [
      "1882-07-01",
      "1882-07-08",
      "1882-07-09",
      "1882-07-10",
      "1882-07-11",
      "1882-07-12",
      "1882-07-14",
      "1882-07-16",
      "1882-07-17",
      "1882-07-19",
      "1882-07-20",
      "1882-07-24",
      "1882-07-25",
      "1882-07-28",
      "1882-07-29",
      "1882-07-30"
     ],
     "percent": 51.6
    },
    "warm_days": 23,
    "tmax_mean_c": 19.0,
    "reference_mean_days": 9.6,
    "possible_additional_matches": 0
   },
   {
    "month": 8,
    "days": 31,
    "observed_days": 31,
    "missing_days": 0,
    "sunshine_h": 182.1,
    "sunshine_reason": null,
    "days_with_sun": 30,
    "days_without_sun": 1,
    "warm_sun": {
     "days": 31,
     "paired_days": 31,
     "missing_pairs": 0,
     "count": 12,
     "dates": [
      "1882-08-02",
      "1882-08-03",
      "1882-08-04",
      "1882-08-05",
      "1882-08-06",
      "1882-08-08",
      "1882-08-09",
      "1882-08-10",
      "1882-08-11",
      "1882-08-14",
      "1882-08-16",
      "1882-08-21"
     ],
     "percent": 38.7
    },
    "warm_days": 19,
    "tmax_mean_c": 19.0,
    "reference_mean_days": 10.13,
    "possible_additional_matches": 0
   },
   {
    "month": 9,
    "days": 30,
    "observed_days": 30,
    "missing_days": 0,
    "sunshine_h": 104.3,
    "sunshine_reason": null,
    "days_with_sun": 25,
    "days_without_sun": 5,
    "warm_sun": {
     "days": 30,
     "paired_days": 30,
     "missing_pairs": 0,
     "count": 1,
     "dates": [
      "1882-09-07"
     ],
     "percent": 3.3
    },
    "warm_days": 3,
    "tmax_mean_c": 15.2,
    "reference_mean_days": 4,
    "possible_additional_matches": 0
   },
   {
    "month": 10,
    "days": 31,
    "observed_days": 31,
    "missing_days": 0,
    "sunshine_h": 72.9,
    "sunshine_reason": null,
    "days_with_sun": 17,
    "days_without_sun": 14,
    "warm_sun": {
     "days": 31,
     "paired_days": 31,
     "missing_pairs": 0,
     "count": 0,
     "dates": [],
     "percent": 0.0
    },
    "warm_days": 1,
    "tmax_mean_c": 12.0,
    "reference_mean_days": 0.43,
    "possible_additional_matches": 0
   }
  ],
  "reference": {
   "period": "1961–1990",
   "years": 30,
   "months": [
    {
     "year": 1961,
     "month": 1,
     "days": 31,
     "paired_days": 31,
     "missing_pairs": 0,
     "count": 0,
     "dates": [],
     "percent": 0.0
    },
    {
     "year": 1961,
     "month": 2,
     "days": 28,
     "paired_days": 28,
     "missing_pairs": 0,
     "count": 0,
     "dates": [],
     "percent": 0.0
    },
    {
     "year": 1961,
     "month": 3,
     "days": 31,
     "paired_days": 31,
     "missing_pairs": 0,
     "count": 0,
     "dates": [],
     "percent": 0.0
    },
    {
     "year": 1961,
     "month": 4,
     "days": 30,
     "paired_days": 30,
     "missing_pairs": 0,
     "count": 0,
     "dates": [],
     "percent": 0.0
    },
    {
     "year": 1961,
     "month": 5,
     "days": 31,
     "paired_days": 31,
     "missing_pairs": 0,
     "count": 1,
     "dates": [
      "1961-05-12"
     ],
     "percent": 3.2
    },
    {
     "year": 1961,
     "month": 6,
     "days": 30,
     "paired_days": 30,
     "missing_pairs": 0,
     "count": 9,
     "dates": [
      "1961-06-05",
      "1961-06-18",
      "1961-06-21",
      "1961-06-22",
      "1961-06-23",
      "1961-06-27",
      "1961-06-28",
      "1961-06-29",
      "1961-06-30"
     ],
     "percent": 30.0
    },
    {
     "year": 1961,
     "month": 7,
     "days": 31,
     "paired_days": 31,
     "missing_pairs": 0,
     "count": 7,
     "dates": [
      "1961-07-06",
      "1961-07-08",
      "1961-07-09",
      "1961-07-16",
      "1961-07-19",
      "1961-07-28",
      "1961-07-30"
     ],
     "percent": 22.6
    },
    {
     "year": 1961,
     "month": 8,
     "days": 31,
     "paired_days": 31,
     "missing_pairs": 0,
     "count": 12,
     "dates": [
      "1961-08-01",
      "1961-08-02",
      "1961-08-05",
      "1961-08-06",
      "1961-08-07",
      "1961-08-09",
      "1961-08-12",
      "1961-08-15",
      "1961-08-24",
      "1961-08-28",
      "1961-08-30",
      "1961-08-31"
     ],
     "percent": 38.7
    },
    {
     "year": 1961,
     "month": 9,
     "days": 30,
     "paired_days": 30,
     "missing_pairs": 0,
     "count": 6,
     "dates": [
      "1961-09-01",
      "1961-09-02",
      "1961-09-11",
      "1961-09-14",
      "1961-09-16",
      "1961-09-18"
     ],
     "percent": 20.0
    },
    {
     "year": 1961,
     "month": 10,
     "days": 31,
     "paired_days": 31,
     "missing_pairs": 0,
     "count": 0,
     "dates": [],
     "percent": 0.0
    },
    {
     "year": 1962,
     "month": 1,
     "days": 31,
     "paired_days": 31,
     "missing_pairs": 0,
     "count": 0,
     "dates": [],
     "percent": 0.0
    },
    {
     "year": 1962,
     "month": 2,
     "days": 28,
     "paired_days": 28,
     "missing_pairs": 0,
     "count": 0,
     "dates": [],
     "percent": 0.0
    },
    {
     "year": 1962,
     "month": 3,
     "days": 31,
     "paired_days": 31,
     "missing_pairs": 0,
     "count": 0,
     "dates": [],
     "percent": 0.0
    },
    {
     "year": 1962,
     "month": 4,
     "days": 30,
     "paired_days": 30,
     "missing_pairs": 0,
     "count": 1,
     "dates": [
      "1962-04-25"
     ],
     "percent": 3.3
    },
    {
     "year": 1962,
     "month": 5,
     "days": 31,
     "paired_days": 31,
     "missing_pairs": 0,
     "count": 0,
     "dates": [],
     "percent": 0.0
    },
    {
     "year": 1962,
     "month": 6,
     "days": 30,
     "paired_days": 30,
     "missing_pairs": 0,
     "count": 6,
     "dates": [
      "1962-06-05",
      "1962-06-06",
      "1962-06-07",
      "1962-06-08",
      "1962-06-16",
      "1962-06-17"
     ],
     "percent": 20.0
    },
    {
     "year": 1962,
     "month": 7,
     "days": 31,
     "paired_days": 31,
     "missing_pairs": 0,
     "count": 4,
     "dates": [
      "1962-07-01",
      "1962-07-09",
      "1962-07-23",
      "1962-07-31"
     ],
     "percent": 12.9
    },
    {
     "year": 1962,
     "month": 8,
     "days": 31,
     "paired_days": 31,
     "missing_pairs": 0,
     "count": 5,
     "dates": [
      "1962-08-10",
      "1962-08-13",
      "1962-08-20",
      "1962-08-29",
      "1962-08-30"
     ],
     "percent": 16.1
    },
    {
     "year": 1962,
     "month": 9,
     "days": 30,
     "paired_days": 30,
     "missing_pairs": 0,
     "count": 0,
     "dates": [],
     "percent": 0.0
    },
    {
     "year": 1962,
     "month": 10,
     "days": 31,
     "paired_days": 31,
     "missing_pairs": 0,
     "count": 1,
     "dates": [
      "1962-10-17"
     ],
     "percent": 3.2
    },
    {
     "year": 1963,
     "month": 1,
     "days": 31,
     "paired_days": 31,
     "missing_pairs": 0,
     "count": 0,
     "dates": [],
     "percent": 0.0
    },
    {
     "year": 1963,
     "month": 2,
     "days": 28,
     "paired_days": 28,
     "missing_pairs": 0,
     "count": 0,
     "dates": [],
     "percent": 0.0
    },
    {
     "year": 1963,
     "month": 3,
     "days": 31,
     "paired_days": 31,
     "missing_pairs": 0,
     "count": 0,
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      "1963-05-31"
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      "1963-06-22"
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      "1963-07-27",
      "1963-07-28",
      "1963-07-29",
      "1963-07-30",
      "1963-07-31"
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     "percent": 29.0
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      "1963-09-17",
      "1963-09-22"
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      "1964-05-29"
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      "1964-06-28",
      "1964-06-29"
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      "1964-07-13",
      "1964-07-15",
      "1964-07-16",
      "1964-07-26",
      "1964-07-27"
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      "1964-08-04",
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      "1964-08-10",
      "1964-08-21",
      "1964-08-25",
      "1964-08-26",
      "1964-08-27",
      "1964-08-28"
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      "1964-09-10",
      "1964-09-11",
      "1964-09-23",
      "1964-09-24",
      "1964-09-25"
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      "1965-08-13",
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      "1965-08-27",
      "1965-08-28"
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      "1967-07-20",
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      "1968-06-14",
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      "1969-07-19",
      "1969-07-20",
      "1969-07-21",
      "1969-07-22",
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      "1969-07-31"
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      "1969-08-08",
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      "1969-08-15",
      "1969-08-16",
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      "1970-06-19",
      "1970-06-20",
      "1970-06-21",
      "1970-06-22",
      "1970-06-26",
      "1970-06-28"
     ],
     "percent": 60.0
    },
    {
     "year": 1970,
     "month": 7,
     "days": 31,
     "paired_days": 31,
     "missing_pairs": 0,
     "count": 7,
     "dates": [
      "1970-07-04",
      "1970-07-07",
      "1970-07-10",
      "1970-07-17",
      "1970-07-28",
      "1970-07-29",
      "1970-07-30"
     ],
     "percent": 22.6
    },
    {
     "year": 1970,
     "month": 8,
     "days": 31,
     "paired_days": 31,
     "missing_pairs": 0,
     "count": 15,
     "dates": [
      "1970-08-02",
      "1970-08-03",
      "1970-08-04",
      "1970-08-05",
      "1970-08-06",
      "1970-08-08",
      "1970-08-09",
      "1970-08-10",
      "1970-08-11",
      "1970-08-14",
      "1970-08-23",
      "1970-08-27",
      "1970-08-28",
      "1970-08-29",
      "1970-08-31"
     ],
     "percent": 48.4
    },
    {
     "year": 1970,
     "month": 9,
     "days": 30,
     "paired_days": 30,
     "missing_pairs": 0,
     "count": 2,
     "dates": [
      "1970-09-17",
      "1970-09-20"
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     "percent": 6.7
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    {
     "year": 1970,
     "month": 10,
     "days": 31,
     "paired_days": 31,
     "missing_pairs": 0,
     "count": 0,
     "dates": [],
     "percent": 0.0
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     "month": 1,
     "days": 31,
     "paired_days": 31,
     "missing_pairs": 0,
     "count": 0,
     "dates": [],
     "percent": 0.0
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     "year": 1971,
     "month": 2,
     "days": 28,
     "paired_days": 28,
     "missing_pairs": 0,
     "count": 0,
     "dates": [],
     "percent": 0.0
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    {
     "year": 1971,
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     "days": 31,
     "paired_days": 31,
     "missing_pairs": 0,
     "count": 0,
     "dates": [],
     "percent": 0.0
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     "year": 1971,
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     "days": 30,
     "paired_days": 30,
     "missing_pairs": 0,
     "count": 0,
     "dates": [],
     "percent": 0.0
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     "days": 31,
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     "missing_pairs": 0,
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      "1971-05-06",
      "1971-05-11",
      "1971-05-20",
      "1971-05-21"
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     "percent": 12.9
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    {
     "year": 1971,
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     "days": 30,
     "paired_days": 30,
     "missing_pairs": 0,
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      "1971-06-01",
      "1971-06-02",
      "1971-06-22",
      "1971-06-24"
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     "percent": 13.3
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    {
     "year": 1971,
     "month": 7,
     "days": 31,
     "paired_days": 31,
     "missing_pairs": 0,
     "count": 16,
     "dates": [
      "1971-07-01",
      "1971-07-02",
      "1971-07-03",
      "1971-07-05",
      "1971-07-06",
      "1971-07-07",
      "1971-07-08",
      "1971-07-11",
      "1971-07-12",
      "1971-07-13",
      "1971-07-15",
      "1971-07-16",
      "1971-07-17",
      "1971-07-25",
      "1971-07-29",
      "1971-07-30"
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     "percent": 51.6
    },
    {
     "year": 1971,
     "month": 8,
     "days": 31,
     "paired_days": 31,
     "missing_pairs": 0,
     "count": 8,
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      "1971-08-02",
      "1971-08-05",
      "1971-08-08",
      "1971-08-17",
      "1971-08-18",
      "1971-08-20",
      "1971-08-25",
      "1971-08-27"
     ],
     "percent": 25.8
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    {
     "year": 1971,
     "month": 9,
     "days": 30,
     "paired_days": 30,
     "missing_pairs": 0,
     "count": 10,
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      "1971-09-01",
      "1971-09-04",
      "1971-09-05",
      "1971-09-06",
      "1971-09-07",
      "1971-09-08",
      "1971-09-09",
      "1971-09-12",
      "1971-09-20",
      "1971-09-30"
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     "percent": 33.3
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    {
     "year": 1971,
     "month": 10,
     "days": 31,
     "paired_days": 31,
     "missing_pairs": 0,
     "count": 2,
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      "1971-10-01",
      "1971-10-06"
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     "percent": 6.5
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     "year": 1972,
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     "missing_pairs": 0,
     "count": 0,
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     "percent": 0.0
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     "year": 1972,
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     "days": 29,
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     "missing_pairs": 0,
     "count": 0,
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     "missing_pairs": 0,
     "count": 0,
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     "percent": 0.0
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     "percent": 0.0
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      "1972-06-30"
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      "1972-07-17",
      "1972-07-18",
      "1972-07-19",
      "1972-07-20",
      "1972-07-26"
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     "percent": 22.6
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     "year": 1972,
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     "days": 31,
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      "1972-08-07",
      "1972-08-12",
      "1972-08-15",
      "1972-08-16",
      "1972-08-17",
      "1972-08-19",
      "1972-08-20",
      "1972-08-21",
      "1972-08-22",
      "1972-08-24",
      "1972-08-28",
      "1972-08-31"
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     "percent": 38.7
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    {
     "year": 1972,
     "month": 9,
     "days": 30,
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     "missing_pairs": 0,
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     "days": 31,
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     "missing_pairs": 0,
     "count": 1,
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     "percent": 3.2
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     "days": 31,
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     "missing_pairs": 0,
     "count": 0,
     "dates": [],
     "percent": 0.0
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     "days": 28,
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     "missing_pairs": 0,
     "count": 0,
     "dates": [],
     "percent": 0.0
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    {
     "year": 1973,
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     "days": 31,
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     "missing_pairs": 0,
     "count": 0,
     "dates": [],
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      "1973-06-08",
      "1973-06-09",
      "1973-06-15",
      "1973-06-17",
      "1973-06-21",
      "1973-06-22",
      "1973-06-30"
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     "percent": 33.3
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      "1973-07-03",
      "1973-07-05",
      "1973-07-28",
      "1973-07-30",
      "1973-07-31"
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     "percent": 19.4
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      "1973-08-05",
      "1973-08-11",
      "1973-08-13",
      "1973-08-14",
      "1973-08-15",
      "1973-08-16",
      "1973-08-17",
      "1973-08-18",
      "1973-08-23"
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     "percent": 32.3
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    {
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      "1973-09-04",
      "1973-09-06",
      "1973-09-07",
      "1973-09-08",
      "1973-09-11"
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     "percent": 20.0
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     "days": 31,
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     "missing_pairs": 0,
     "count": 0,
     "dates": [],
     "percent": 0.0
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     "days": 31,
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     "missing_pairs": 0,
     "count": 0,
     "dates": [],
     "percent": 0.0
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     "days": 28,
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     "missing_pairs": 0,
     "count": 0,
     "dates": [],
     "percent": 0.0
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     "days": 31,
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     "missing_pairs": 0,
     "count": 0,
     "dates": [],
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     "days": 30,
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     "missing_pairs": 0,
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     "percent": 0.0
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     "year": 1974,
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     "percent": 9.7
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     "days": 30,
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      "1974-06-11",
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      "1974-06-13",
      "1974-06-14",
      "1974-06-19",
      "1974-06-20",
      "1974-06-21"
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     "percent": 26.7
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      "1974-07-11",
      "1974-07-12",
      "1974-07-17",
      "1974-07-18",
      "1974-07-20",
      "1974-07-22",
      "1974-07-25",
      "1974-07-29"
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     "percent": 29.0
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     "dates": [
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      "1974-08-09",
      "1974-08-11",
      "1974-08-12",
      "1974-08-15",
      "1974-08-16",
      "1974-08-17",
      "1974-08-19",
      "1974-08-24",
      "1974-08-27",
      "1974-08-28"
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     "percent": 35.5
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     "missing_pairs": 0,
     "count": 0,
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     "missing_pairs": 0,
     "count": 0,
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     "percent": 0.0
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     "missing_pairs": 0,
     "count": 0,
     "dates": [],
     "percent": 0.0
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     "count": 0,
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     "percent": 0.0
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     "days": 31,
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     "missing_pairs": 0,
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     "percent": 3.2
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     "dates": [
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      "1975-06-07",
      "1975-06-08",
      "1975-06-09",
      "1975-06-10",
      "1975-06-11",
      "1975-06-12",
      "1975-06-21",
      "1975-06-22",
      "1975-06-23",
      "1975-06-25",
      "1975-06-29",
      "1975-06-30"
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     "percent": 43.3
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      "1975-07-02",
      "1975-07-05",
      "1975-07-06",
      "1975-07-07",
      "1975-07-16",
      "1975-07-19",
      "1975-07-21",
      "1975-07-28"
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     "percent": 29.0
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      "1975-08-02",
      "1975-08-03",
      "1975-08-04",
      "1975-08-05",
      "1975-08-06",
      "1975-08-07",
      "1975-08-08",
      "1975-08-09",
      "1975-08-10",
      "1975-08-11",
      "1975-08-12",
      "1975-08-13",
      "1975-08-16",
      "1975-08-20",
      "1975-08-21",
      "1975-08-24",
      "1975-08-25",
      "1975-08-26",
      "1975-08-28",
      "1975-08-31"
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     "percent": 67.7
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    {
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      "1975-09-03",
      "1975-09-16"
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     "percent": 13.3
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     "count": 0,
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     "percent": 0.0
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     "percent": 0.0
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     "percent": 0.0
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      "1976-06-08",
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      "1976-06-13",
      "1976-06-14",
      "1976-06-21",
      "1976-06-22",
      "1976-06-24",
      "1976-06-25",
      "1976-06-26",
      "1976-06-27",
      "1976-06-28",
      "1976-06-29",
      "1976-06-30"
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     "percent": 46.7
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      "1976-07-05",
      "1976-07-06",
      "1976-07-07",
      "1976-07-08",
      "1976-07-10",
      "1976-07-11",
      "1976-07-14",
      "1976-07-16",
      "1976-07-18",
      "1976-07-22",
      "1976-07-25",
      "1976-07-27",
      "1976-07-28",
      "1976-07-29"
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     "percent": 54.8
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      "1976-08-08",
      "1976-08-09",
      "1976-08-10",
      "1976-08-11",
      "1976-08-12",
      "1976-08-14",
      "1976-08-15",
      "1976-08-16",
      "1976-08-17",
      "1976-08-18",
      "1976-08-19",
      "1976-08-20",
      "1976-08-21",
      "1976-08-22",
      "1976-08-23",
      "1976-08-24",
      "1976-08-25",
      "1976-08-26"
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     "percent": 64.5
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     "percent": 9.7
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     "year": 1977,
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     "days": 30,
     "paired_days": 30,
     "missing_pairs": 0,
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      "1977-06-01",
      "1977-06-02",
      "1977-06-03",
      "1977-06-22",
      "1977-06-23",
      "1977-06-28",
      "1977-06-29"
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     "percent": 23.3
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    {
     "year": 1977,
     "month": 7,
     "days": 31,
     "paired_days": 31,
     "missing_pairs": 0,
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      "1977-07-03",
      "1977-07-04",
      "1977-07-05",
      "1977-07-06",
      "1977-07-07",
      "1977-07-16"
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     "percent": 19.4
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    {
     "year": 1977,
     "month": 8,
     "days": 31,
     "paired_days": 31,
     "missing_pairs": 0,
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      "1977-08-03",
      "1977-08-06",
      "1977-08-09",
      "1977-08-10",
      "1977-08-11",
      "1977-08-16",
      "1977-08-25"
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     "percent": 22.6
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    {
     "year": 1977,
     "month": 9,
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     "paired_days": 30,
     "missing_pairs": 0,
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      "1977-09-12",
      "1977-09-13"
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     "percent": 6.7
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    {
     "year": 1977,
     "month": 10,
     "days": 31,
     "paired_days": 31,
     "missing_pairs": 0,
     "count": 0,
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     "percent": 0.0
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     "days": 31,
     "paired_days": 31,
     "missing_pairs": 0,
     "count": 0,
     "dates": [],
     "percent": 0.0
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     "days": 28,
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     "missing_pairs": 0,
     "count": 0,
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     "percent": 0.0
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     "days": 31,
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     "missing_pairs": 0,
     "count": 0,
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      "1978-05-26",
      "1978-05-27",
      "1978-05-28",
      "1978-05-29",
      "1978-05-30",
      "1978-05-31"
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     "percent": 22.6
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    {
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     "days": 30,
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      "1978-06-02",
      "1978-06-03",
      "1978-06-04",
      "1978-06-06",
      "1978-06-11",
      "1978-06-18",
      "1978-06-19",
      "1978-06-20"
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     "percent": 30.0
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      "1978-07-08",
      "1978-07-09",
      "1978-07-11",
      "1978-07-13",
      "1978-07-17",
      "1978-07-24",
      "1978-07-27",
      "1978-07-28",
      "1978-07-29"
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     "percent": 29.0
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    {
     "year": 1978,
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     "days": 31,
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      "1978-08-10",
      "1978-08-11",
      "1978-08-13",
      "1978-08-17",
      "1978-08-19",
      "1978-08-22",
      "1978-08-25",
      "1978-08-26"
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     "percent": 25.8
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    {
     "year": 1978,
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      "1978-09-12",
      "1978-09-20",
      "1978-09-21"
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     "percent": 13.3
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     "year": 1978,
     "month": 10,
     "days": 31,
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      "1978-10-08",
      "1978-10-11"
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     "percent": 6.5
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     "month": 1,
     "days": 31,
     "paired_days": 31,
     "missing_pairs": 0,
     "count": 0,
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     "percent": 0.0
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     "days": 31,
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      "1979-06-13",
      "1979-06-17",
      "1979-06-18",
      "1979-06-19",
      "1979-06-20",
      "1979-06-27",
      "1979-06-28"
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     "percent": 33.3
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     "days": 31,
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      "1979-07-03",
      "1979-07-04",
      "1979-07-05",
      "1979-07-07",
      "1979-07-10",
      "1979-07-11",
      "1979-07-12"
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     "percent": 25.8
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     "days": 31,
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      "1979-08-30"
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     "percent": 12.9
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      "1979-09-05"
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     "days": 31,
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     "missing_pairs": 0,
     "count": 0,
     "dates": [],
     "percent": 0.0
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     "days": 29,
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      "1980-05-15",
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      "1980-05-19"
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     "percent": 25.8
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      "1980-07-31"
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      "1980-08-26",
      "1980-08-31"
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      "1980-09-28"
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     "percent": 20.0
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     "missing_pairs": 0,
     "count": 0,
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     "percent": 0.0
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      "1981-07-21",
      "1981-07-25",
      "1981-07-26",
      "1981-07-27",
      "1981-07-29",
      "1981-07-30",
      "1981-07-31"
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      "1981-08-10",
      "1981-08-12",
      "1981-08-14",
      "1981-08-16",
      "1981-08-17",
      "1981-08-21",
      "1981-08-22",
      "1981-08-23",
      "1981-08-24",
      "1981-08-26",
      "1981-08-27",
      "1981-08-28",
      "1981-08-30"
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     "percent": 0.0
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     "percent": 0.0
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     "percent": 0.0
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      "1982-05-14",
      "1982-05-16",
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      "1982-05-31"
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     "percent": 22.6
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      "1982-06-02",
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      "1982-06-05",
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      "1982-06-08",
      "1982-06-29",
      "1982-06-30"
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     "percent": 26.7
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      "1982-07-06",
      "1982-07-09",
      "1982-07-10",
      "1982-07-13",
      "1982-07-14",
      "1982-07-18",
      "1982-07-19",
      "1982-07-20",
      "1982-07-21",
      "1982-07-24",
      "1982-07-25",
      "1982-07-26",
      "1982-07-30"
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     "percent": 48.4
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      "1982-08-10",
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      "1982-08-27",
      "1982-08-28"
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     "percent": 19.4
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      "1982-09-09",
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      "1982-09-14",
      "1982-09-16",
      "1982-09-17"
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     "percent": 23.3
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    {
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     "missing_pairs": 0,
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     "percent": 0.0
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     "missing_pairs": 0,
     "count": 0,
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     "percent": 0.0
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     "percent": 0.0
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      "1983-06-20"
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     "percent": 16.7
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      "1983-07-06",
      "1983-07-09",
      "1983-07-11",
      "1983-07-12",
      "1983-07-14",
      "1983-07-15",
      "1983-07-21",
      "1983-07-22",
      "1983-07-23",
      "1983-07-26",
      "1983-07-28",
      "1983-07-29",
      "1983-07-30",
      "1983-07-31"
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     "percent": 54.8
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      "1983-08-07",
      "1983-08-10",
      "1983-08-11",
      "1983-08-12",
      "1983-08-14",
      "1983-08-17",
      "1983-08-18",
      "1983-08-19",
      "1983-08-21",
      "1983-08-22",
      "1983-08-26",
      "1983-08-29",
      "1983-08-30"
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     "percent": 48.4
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     "year": 1983,
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     "percent": 0.0
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     "percent": 0.0
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     "percent": 13.3
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      "1984-06-15",
      "1984-06-19",
      "1984-06-20",
      "1984-06-25",
      "1984-06-26",
      "1984-06-27"
     ],
     "percent": 23.3
    },
    {
     "year": 1984,
     "month": 7,
     "days": 31,
     "paired_days": 31,
     "missing_pairs": 0,
     "count": 16,
     "dates": [
      "1984-07-01",
      "1984-07-04",
      "1984-07-05",
      "1984-07-06",
      "1984-07-07",
      "1984-07-08",
      "1984-07-09",
      "1984-07-11",
      "1984-07-12",
      "1984-07-18",
      "1984-07-20",
      "1984-07-23",
      "1984-07-24",
      "1984-07-25",
      "1984-07-29",
      "1984-07-30"
     ],
     "percent": 51.6
    },
    {
     "year": 1984,
     "month": 8,
     "days": 31,
     "paired_days": 31,
     "missing_pairs": 0,
     "count": 15,
     "dates": [
      "1984-08-01",
      "1984-08-10",
      "1984-08-11",
      "1984-08-12",
      "1984-08-13",
      "1984-08-16",
      "1984-08-19",
      "1984-08-20",
      "1984-08-21",
      "1984-08-25",
      "1984-08-26",
      "1984-08-28",
      "1984-08-29",
      "1984-08-30",
      "1984-08-31"
     ],
     "percent": 48.4
    },
    {
     "year": 1984,
     "month": 9,
     "days": 30,
     "paired_days": 30,
     "missing_pairs": 0,
     "count": 0,
     "dates": [],
     "percent": 0.0
    },
    {
     "year": 1984,
     "month": 10,
     "days": 31,
     "paired_days": 31,
     "missing_pairs": 0,
     "count": 1,
     "dates": [
      "1984-10-15"
     ],
     "percent": 3.2
    },
    {
     "year": 1985,
     "month": 1,
     "days": 31,
     "paired_days": 31,
     "missing_pairs": 0,
     "count": 0,
     "dates": [],
     "percent": 0.0
    },
    {
     "year": 1985,
     "month": 2,
     "days": 28,
     "paired_days": 28,
     "missing_pairs": 0,
     "count": 0,
     "dates": [],
     "percent": 0.0
    },
    {
     "year": 1985,
     "month": 3,
     "days": 31,
     "paired_days": 31,
     "missing_pairs": 0,
     "count": 0,
     "dates": [],
     "percent": 0.0
    },
    {
     "year": 1985,
     "month": 4,
     "days": 30,
     "paired_days": 30,
     "missing_pairs": 0,
     "count": 0,
     "dates": [],
     "percent": 0.0
    },
    {
     "year": 1985,
     "month": 5,
     "days": 31,
     "paired_days": 31,
     "missing_pairs": 0,
     "count": 3,
     "dates": [
      "1985-05-17",
      "1985-05-30",
      "1985-05-31"
     ],
     "percent": 9.7
    },
    {
     "year": 1985,
     "month": 6,
     "days": 30,
     "paired_days": 30,
     "missing_pairs": 0,
     "count": 5,
     "dates": [
      "1985-06-01",
      "1985-06-02",
      "1985-06-03",
      "1985-06-20",
      "1985-06-27"
     ],
     "percent": 16.7
    },
    {
     "year": 1985,
     "month": 7,
     "days": 31,
     "paired_days": 31,
     "missing_pairs": 0,
     "count": 8,
     "dates": [
      "1985-07-04",
      "1985-07-06",
      "1985-07-07",
      "1985-07-10",
      "1985-07-16",
      "1985-07-21",
      "1985-07-22",
      "1985-07-25"
     ],
     "percent": 25.8
    },
    {
     "year": 1985,
     "month": 8,
     "days": 31,
     "paired_days": 31,
     "missing_pairs": 0,
     "count": 6,
     "dates": [
      "1985-08-02",
      "1985-08-09",
      "1985-08-10",
      "1985-08-17",
      "1985-08-28",
      "1985-08-30"
     ],
     "percent": 19.4
    },
    {
     "year": 1985,
     "month": 9,
     "days": 30,
     "paired_days": 30,
     "missing_pairs": 0,
     "count": 4,
     "dates": [
      "1985-09-10",
      "1985-09-11",
      "1985-09-12",
      "1985-09-28"
     ],
     "percent": 13.3
    },
    {
     "year": 1985,
     "month": 10,
     "days": 31,
     "paired_days": 31,
     "missing_pairs": 0,
     "count": 1,
     "dates": [
      "1985-10-14"
     ],
     "percent": 3.2
    },
    {
     "year": 1986,
     "month": 1,
     "days": 31,
     "paired_days": 31,
     "missing_pairs": 0,
     "count": 0,
     "dates": [],
     "percent": 0.0
    },
    {
     "year": 1986,
     "month": 2,
     "days": 28,
     "paired_days": 28,
     "missing_pairs": 0,
     "count": 0,
     "dates": [],
     "percent": 0.0
    },
    {
     "year": 1986,
     "month": 3,
     "days": 31,
     "paired_days": 31,
     "missing_pairs": 0,
     "count": 0,
     "dates": [],
     "percent": 0.0
    },
    {
     "year": 1986,
     "month": 4,
     "days": 30,
     "paired_days": 30,
     "missing_pairs": 0,
     "count": 0,
     "dates": [],
     "percent": 0.0
    },
    {
     "year": 1986,
     "month": 5,
     "days": 31,
     "paired_days": 31,
     "missing_pairs": 0,
     "count": 1,
     "dates": [
      "1986-05-01"
     ],
     "percent": 3.2
    },
    {
     "year": 1986,
     "month": 6,
     "days": 30,
     "paired_days": 30,
     "missing_pairs": 0,
     "count": 8,
     "dates": [
      "1986-06-14",
      "1986-06-15",
      "1986-06-16",
      "1986-06-25",
      "1986-06-26",
      "1986-06-27",
      "1986-06-28",
      "1986-06-29"
     ],
     "percent": 26.7
    },
    {
     "year": 1986,
     "month": 7,
     "days": 31,
     "paired_days": 31,
     "missing_pairs": 0,
     "count": 7,
     "dates": [
      "1986-07-02",
      "1986-07-03",
      "1986-07-14",
      "1986-07-16",
      "1986-07-20",
      "1986-07-24",
      "1986-07-25"
     ],
     "percent": 22.6
    },
    {
     "year": 1986,
     "month": 8,
     "days": 31,
     "paired_days": 31,
     "missing_pairs": 0,
     "count": 2,
     "dates": [
      "1986-08-09",
      "1986-08-10"
     ],
     "percent": 6.5
    },
    {
     "year": 1986,
     "month": 9,
     "days": 30,
     "paired_days": 30,
     "missing_pairs": 0,
     "count": 5,
     "dates": [
      "1986-09-01",
      "1986-09-20",
      "1986-09-28",
      "1986-09-29",
      "1986-09-30"
     ],
     "percent": 16.7
    },
    {
     "year": 1986,
     "month": 10,
     "days": 31,
     "paired_days": 31,
     "missing_pairs": 0,
     "count": 1,
     "dates": [
      "1986-10-07"
     ],
     "percent": 3.2
    },
    {
     "year": 1987,
     "month": 1,
     "days": 31,
     "paired_days": 31,
     "missing_pairs": 0,
     "count": 0,
     "dates": [],
     "percent": 0.0
    },
    {
     "year": 1987,
     "month": 2,
     "days": 28,
     "paired_days": 28,
     "missing_pairs": 0,
     "count": 0,
     "dates": [],
     "percent": 0.0
    },
    {
     "year": 1987,
     "month": 3,
     "days": 31,
     "paired_days": 31,
     "missing_pairs": 0,
     "count": 0,
     "dates": [],
     "percent": 0.0
    },
    {
     "year": 1987,
     "month": 4,
     "days": 30,
     "paired_days": 30,
     "missing_pairs": 0,
     "count": 8,
     "dates": [
      "1987-04-17",
      "1987-04-18",
      "1987-04-23",
      "1987-04-24",
      "1987-04-26",
      "1987-04-27",
      "1987-04-28",
      "1987-04-30"
     ],
     "percent": 26.7
    },
    {
     "year": 1987,
     "month": 5,
     "days": 31,
     "paired_days": 31,
     "missing_pairs": 0,
     "count": 4,
     "dates": [
      "1987-05-05",
      "1987-05-07",
      "1987-05-08",
      "1987-05-31"
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     "percent": 12.9
    },
    {
     "year": 1987,
     "month": 6,
     "days": 30,
     "paired_days": 30,
     "missing_pairs": 0,
     "count": 1,
     "dates": [
      "1987-06-30"
     ],
     "percent": 3.3
    },
    {
     "year": 1987,
     "month": 7,
     "days": 31,
     "paired_days": 31,
     "missing_pairs": 0,
     "count": 8,
     "dates": [
      "1987-07-02",
      "1987-07-04",
      "1987-07-05",
      "1987-07-06",
      "1987-07-07",
      "1987-07-08",
      "1987-07-09",
      "1987-07-11"
     ],
     "percent": 25.8
    },
    {
     "year": 1987,
     "month": 8,
     "days": 31,
     "paired_days": 31,
     "missing_pairs": 0,
     "count": 5,
     "dates": [
      "1987-08-02",
      "1987-08-10",
      "1987-08-13",
      "1987-08-21",
      "1987-08-30"
     ],
     "percent": 16.1
    },
    {
     "year": 1987,
     "month": 9,
     "days": 30,
     "paired_days": 30,
     "missing_pairs": 0,
     "count": 4,
     "dates": [
      "1987-09-02",
      "1987-09-07",
      "1987-09-16",
      "1987-09-23"
     ],
     "percent": 13.3
    },
    {
     "year": 1987,
     "month": 10,
     "days": 31,
     "paired_days": 31,
     "missing_pairs": 0,
     "count": 0,
     "dates": [],
     "percent": 0.0
    },
    {
     "year": 1988,
     "month": 1,
     "days": 31,
     "paired_days": 31,
     "missing_pairs": 0,
     "count": 0,
     "dates": [],
     "percent": 0.0
    },
    {
     "year": 1988,
     "month": 2,
     "days": 29,
     "paired_days": 29,
     "missing_pairs": 0,
     "count": 0,
     "dates": [],
     "percent": 0.0
    },
    {
     "year": 1988,
     "month": 3,
     "days": 31,
     "paired_days": 31,
     "missing_pairs": 0,
     "count": 0,
     "dates": [],
     "percent": 0.0
    },
    {
     "year": 1988,
     "month": 4,
     "days": 30,
     "paired_days": 30,
     "missing_pairs": 0,
     "count": 0,
     "dates": [],
     "percent": 0.0
    },
    {
     "year": 1988,
     "month": 5,
     "days": 31,
     "paired_days": 31,
     "missing_pairs": 0,
     "count": 2,
     "dates": [
      "1988-05-06",
      "1988-05-15"
     ],
     "percent": 6.5
    },
    {
     "year": 1988,
     "month": 6,
     "days": 30,
     "paired_days": 30,
     "missing_pairs": 0,
     "count": 8,
     "dates": [
      "1988-06-12",
      "1988-06-13",
      "1988-06-14",
      "1988-06-18",
      "1988-06-19",
      "1988-06-22",
      "1988-06-23",
      "1988-06-24"
     ],
     "percent": 26.7
    },
    {
     "year": 1988,
     "month": 7,
     "days": 31,
     "paired_days": 31,
     "missing_pairs": 0,
     "count": 4,
     "dates": [
      "1988-07-10",
      "1988-07-18",
      "1988-07-20",
      "1988-07-25"
     ],
     "percent": 12.9
    },
    {
     "year": 1988,
     "month": 8,
     "days": 31,
     "paired_days": 31,
     "missing_pairs": 0,
     "count": 16,
     "dates": [
      "1988-08-01",
      "1988-08-02",
      "1988-08-04",
      "1988-08-06",
      "1988-08-07",
      "1988-08-08",
      "1988-08-09",
      "1988-08-12",
      "1988-08-16",
      "1988-08-17",
      "1988-08-22",
      "1988-08-24",
      "1988-08-26",
      "1988-08-27",
      "1988-08-28",
      "1988-08-31"
     ],
     "percent": 51.6
    },
    {
     "year": 1988,
     "month": 9,
     "days": 30,
     "paired_days": 30,
     "missing_pairs": 0,
     "count": 3,
     "dates": [
      "1988-09-05",
      "1988-09-07",
      "1988-09-15"
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     "percent": 10.0
    },
    {
     "year": 1988,
     "month": 10,
     "days": 31,
     "paired_days": 31,
     "missing_pairs": 0,
     "count": 0,
     "dates": [],
     "percent": 0.0
    },
    {
     "year": 1989,
     "month": 1,
     "days": 31,
     "paired_days": 31,
     "missing_pairs": 0,
     "count": 0,
     "dates": [],
     "percent": 0.0
    },
    {
     "year": 1989,
     "month": 2,
     "days": 28,
     "paired_days": 28,
     "missing_pairs": 0,
     "count": 0,
     "dates": [],
     "percent": 0.0
    },
    {
     "year": 1989,
     "month": 3,
     "days": 31,
     "paired_days": 31,
     "missing_pairs": 0,
     "count": 0,
     "dates": [],
     "percent": 0.0
    },
    {
     "year": 1989,
     "month": 4,
     "days": 30,
     "paired_days": 30,
     "missing_pairs": 0,
     "count": 0,
     "dates": [],
     "percent": 0.0
    },
    {
     "year": 1989,
     "month": 5,
     "days": 31,
     "paired_days": 31,
     "missing_pairs": 0,
     "count": 6,
     "dates": [
      "1989-05-07",
      "1989-05-17",
      "1989-05-21",
      "1989-05-24",
      "1989-05-27",
      "1989-05-28"
     ],
     "percent": 19.4
    },
    {
     "year": 1989,
     "month": 6,
     "days": 30,
     "paired_days": 30,
     "missing_pairs": 0,
     "count": 13,
     "dates": [
      "1989-06-10",
      "1989-06-11",
      "1989-06-12",
      "1989-06-13",
      "1989-06-14",
      "1989-06-15",
      "1989-06-17",
      "1989-06-18",
      "1989-06-19",
      "1989-06-20",
      "1989-06-22",
      "1989-06-23",
      "1989-06-24"
     ],
     "percent": 43.3
    },
    {
     "year": 1989,
     "month": 7,
     "days": 31,
     "paired_days": 31,
     "missing_pairs": 0,
     "count": 18,
     "dates": [
      "1989-07-03",
      "1989-07-04",
      "1989-07-05",
      "1989-07-06",
      "1989-07-11",
      "1989-07-12",
      "1989-07-13",
      "1989-07-14",
      "1989-07-15",
      "1989-07-16",
      "1989-07-17",
      "1989-07-19",
      "1989-07-20",
      "1989-07-23",
      "1989-07-24",
      "1989-07-25",
      "1989-07-26",
      "1989-07-27"
     ],
     "percent": 58.1
    },
    {
     "year": 1989,
     "month": 8,
     "days": 31,
     "paired_days": 31,
     "missing_pairs": 0,
     "count": 17,
     "dates": [
      "1989-08-01",
      "1989-08-02",
      "1989-08-03",
      "1989-08-04",
      "1989-08-06",
      "1989-08-08",
      "1989-08-11",
      "1989-08-12",
      "1989-08-14",
      "1989-08-15",
      "1989-08-16",
      "1989-08-17",
      "1989-08-19",
      "1989-08-21",
      "1989-08-22",
      "1989-08-23",
      "1989-08-31"
     ],
     "percent": 54.8
    },
    {
     "year": 1989,
     "month": 9,
     "days": 30,
     "paired_days": 30,
     "missing_pairs": 0,
     "count": 6,
     "dates": [
      "1989-09-17",
      "1989-09-23",
      "1989-09-24",
      "1989-09-26",
      "1989-09-29",
      "1989-09-30"
     ],
     "percent": 20.0
    },
    {
     "year": 1989,
     "month": 10,
     "days": 31,
     "paired_days": 31,
     "missing_pairs": 0,
     "count": 1,
     "dates": [
      "1989-10-17"
     ],
     "percent": 3.2
    },
    {
     "year": 1990,
     "month": 1,
     "days": 31,
     "paired_days": 31,
     "missing_pairs": 0,
     "count": 0,
     "dates": [],
     "percent": 0.0
    },
    {
     "year": 1990,
     "month": 2,
     "days": 28,
     "paired_days": 28,
     "missing_pairs": 0,
     "count": 0,
     "dates": [],
     "percent": 0.0
    },
    {
     "year": 1990,
     "month": 3,
     "days": 31,
     "paired_days": 31,
     "missing_pairs": 0,
     "count": 0,
     "dates": [],
     "percent": 0.0
    },
    {
     "year": 1990,
     "month": 4,
     "days": 30,
     "paired_days": 30,
     "missing_pairs": 0,
     "count": 2,
     "dates": [
      "1990-04-29",
      "1990-04-30"
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     "percent": 6.7
    },
    {
     "year": 1990,
     "month": 5,
     "days": 31,
     "paired_days": 31,
     "missing_pairs": 0,
     "count": 8,
     "dates": [
      "1990-05-01",
      "1990-05-02",
      "1990-05-03",
      "1990-05-04",
      "1990-05-05",
      "1990-05-26",
      "1990-05-28",
      "1990-05-31"
     ],
     "percent": 25.8
    },
    {
     "year": 1990,
     "month": 6,
     "days": 30,
     "paired_days": 30,
     "missing_pairs": 0,
     "count": 7,
     "dates": [
      "1990-06-02",
      "1990-06-19",
      "1990-06-20",
      "1990-06-23",
      "1990-06-25",
      "1990-06-28",
      "1990-06-29"
     ],
     "percent": 23.3
    },
    {
     "year": 1990,
     "month": 7,
     "days": 31,
     "paired_days": 31,
     "missing_pairs": 0,
     "count": 18,
     "dates": [
      "1990-07-03",
      "1990-07-06",
      "1990-07-10",
      "1990-07-11",
      "1990-07-14",
      "1990-07-16",
      "1990-07-17",
      "1990-07-18",
      "1990-07-19",
      "1990-07-20",
      "1990-07-22",
      "1990-07-23",
      "1990-07-24",
      "1990-07-25",
      "1990-07-28",
      "1990-07-29",
      "1990-07-30",
      "1990-07-31"
     ],
     "percent": 58.1
    },
    {
     "year": 1990,
     "month": 8,
     "days": 31,
     "paired_days": 31,
     "missing_pairs": 0,
     "count": 15,
     "dates": [
      "1990-08-01",
      "1990-08-02",
      "1990-08-03",
      "1990-08-04",
      "1990-08-05",
      "1990-08-07",
      "1990-08-08",
      "1990-08-09",
      "1990-08-14",
      "1990-08-18",
      "1990-08-20",
      "1990-08-22",
      "1990-08-25",
      "1990-08-26",
      "1990-08-27"
     ],
     "percent": 48.4
    },
    {
     "year": 1990,
     "month": 9,
     "days": 30,
     "paired_days": 30,
     "missing_pairs": 0,
     "count": 4,
     "dates": [
      "1990-09-03",
      "1990-09-04",
      "1990-09-09",
      "1990-09-10"
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     "percent": 13.3
    },
    {
     "year": 1990,
     "month": 10,
     "days": 31,
     "paired_days": 31,
     "missing_pairs": 0,
     "count": 1,
     "dates": [
      "1990-10-14"
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     "percent": 3.2
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   ],
   "basis": "Same station, provider-adjusted Tmax and Campbell–Stokes sunshine; complete months only, no pooled stations."
  },
  "stay_months": [
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    "month": 5,
    "count": null,
    "reason": "daily_sunshine_missing_in_source",
    "paired_days": 0,
    "days": 31
   },
   {
    "year": 1881,
    "month": 6,
    "count": null,
    "reason": "daily_sunshine_missing_in_source",
    "paired_days": 0,
    "days": 30
   },
   {
    "year": 1881,
    "month": 7,
    "count": null,
    "reason": "daily_sunshine_missing_in_source",
    "paired_days": 0,
    "days": 31
   },
   {
    "year": 1881,
    "month": 8,
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    "reason": "daily_sunshine_missing_in_source",
    "paired_days": 0,
    "days": 31
   },
   {
    "year": 1881,
    "month": 9,
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    "reason": "daily_sunshine_missing_in_source",
    "paired_days": 0,
    "days": 30
   },
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    "year": 1881,
    "month": 10,
    "count": null,
    "reason": "daily_sunshine_missing_in_source",
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    "days": 31
   },
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    "count": null,
    "reason": "daily_sunshine_missing_in_source",
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    "days": 30
   },
   {
    "year": 1881,
    "month": 12,
    "count": null,
    "reason": "daily_sunshine_missing_in_source",
    "paired_days": 0,
    "days": 31
   },
   {
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    "missing_pairs": 0,
    "count": 0,
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    "percent": 0.0,
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   },
   {
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    "days": 28,
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    "percent": 0.0,
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   },
   {
    "year": 1882,
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    "days": 31,
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    "count": 0,
    "dates": [],
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   },
   {
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    "days": 30,
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    "dates": [],
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   {
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    "days": 31,
    "paired_days": 30,
    "missing_pairs": 1,
    "count": 4,
    "dates": [
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     "1882-05-28",
     "1882-05-29",
     "1882-05-31"
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    "reference_mean_days": 3.3
   },
   {
    "year": 1882,
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    "days": 30,
    "paired_days": 30,
    "missing_pairs": 0,
    "count": 5,
    "dates": [
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     "1882-06-28",
     "1882-06-29"
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   },
   {
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    "days": 31,
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    "missing_pairs": 0,
    "count": 16,
    "dates": [
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     "1882-07-08",
     "1882-07-09",
     "1882-07-10",
     "1882-07-11",
     "1882-07-12",
     "1882-07-14",
     "1882-07-16",
     "1882-07-17",
     "1882-07-19",
     "1882-07-20",
     "1882-07-24",
     "1882-07-25",
     "1882-07-28",
     "1882-07-29",
     "1882-07-30"
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   },
   {
    "year": 1882,
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    "days": 31,
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    "count": 12,
    "dates": [
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     "1882-08-03",
     "1882-08-04",
     "1882-08-05",
     "1882-08-06",
     "1882-08-08",
     "1882-08-09",
     "1882-08-10",
     "1882-08-11",
     "1882-08-14",
     "1882-08-16",
     "1882-08-21"
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    "percent": 38.7,
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   },
   {
    "year": 1882,
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   {
    "year": 1882,
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    "days": 31,
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    "percent": 0.0,
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   },
   {
    "year": 1882,
    "month": 11,
    "count": null,
    "reason": "departure_month_excluded; Liverpool_sailing_11_November_not_last_Cullercoats_day"
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      "1882-07-08",
      "1882-07-09",
      "1882-07-10",
      "1882-07-11",
      "1882-07-12",
      "1882-07-14",
      "1882-07-16",
      "1882-07-17",
      "1882-07-19",
      "1882-07-20",
      "1882-07-24",
      "1882-07-25",
      "1882-07-28",
      "1882-07-29",
      "1882-07-30",
      "1882-08-02",
      "1882-08-03",
      "1882-08-04",
      "1882-08-05",
      "1882-08-06",
      "1882-08-08",
      "1882-08-09",
      "1882-08-10",
      "1882-08-11",
      "1882-08-14",
      "1882-08-16",
      "1882-08-21"
     ],
     "percent": 35.9
    }
   }
  ],
  "reference_joint_mean_days": 27.4,
  "reference_summers_at_least_1882": 9,
  "modern_period": "1991–2020",
  "modern_complete_summers": 28,
  "modern_tmax_mean_c": 19.4,
  "modern_warm_days": 62.5,
  "difference_1882_c": -1.1,
  "excluded_summers": [
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    "days": 92,
    "missing_tmax_dates": [
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     "2005-08-16",
     "2005-08-17",
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     "2005-08-23",
     "2005-08-24",
     "2005-08-25",
     "2005-08-26",
     "2005-08-27",
     "2005-08-28",
     "2005-08-29",
     "2005-08-30",
     "2005-08-31"
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    "tmax_mean_c": null,
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    "joint": {
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    "year": 2016,
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    "warm_days": 47,
    "joint": {
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   },
   {
    "year": 1882,
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    "joint": {
     "days": 92,
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     "missing_pairs": 0,
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     "dates": [
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      "1882-06-20",
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      "1882-06-28",
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      "1882-07-01",
      "1882-07-08",
      "1882-07-09",
      "1882-07-10",
      "1882-07-11",
      "1882-07-12",
      "1882-07-14",
      "1882-07-16",
      "1882-07-17",
      "1882-07-19",
      "1882-07-20",
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      "1882-07-25",
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      "1882-07-29",
      "1882-07-30",
      "1882-08-02",
      "1882-08-03",
      "1882-08-04",
      "1882-08-05",
      "1882-08-06",
      "1882-08-08",
      "1882-08-09",
      "1882-08-10",
      "1882-08-11",
      "1882-08-14",
      "1882-08-16",
      "1882-08-21"
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     "percent": 35.9
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     "dates": [
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      "1961-06-18",
      "1961-06-21",
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      "1961-06-23",
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      "1961-06-28",
      "1961-06-29",
      "1961-06-30",
      "1961-07-06",
      "1961-07-08",
      "1961-07-09",
      "1961-07-16",
      "1961-07-19",
      "1961-07-28",
      "1961-07-30",
      "1961-08-01",
      "1961-08-02",
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      "1961-08-07",
      "1961-08-09",
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     "percent": 30.4
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   {
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      "1962-07-09",
      "1962-07-23",
      "1962-07-31",
      "1962-08-10",
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      "1962-08-29",
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     "percent": 16.3
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   {
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      "1963-07-26",
      "1963-07-27",
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      "1963-07-31",
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      "1963-08-02",
      "1963-08-08"
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     "percent": 18.5
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   },
   {
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     "dates": [
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      "1964-06-08",
      "1964-06-12",
      "1964-06-24",
      "1964-06-26",
      "1964-06-28",
      "1964-06-29",
      "1964-07-01",
      "1964-07-02",
      "1964-07-12",
      "1964-07-13",
      "1964-07-15",
      "1964-07-16",
      "1964-07-26",
      "1964-07-27",
      "1964-08-03",
      "1964-08-04",
      "1964-08-05",
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      "1966-07-12",
      "1966-07-19",
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      "1966-08-25",
      "1966-08-26"
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     "percent": 20.7
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    "year": 1967,
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      "1967-06-30",
      "1967-07-02",
      "1967-07-05",
      "1967-07-09",
      "1967-07-10",
      "1967-07-13",
      "1967-07-19",
      "1967-07-20",
      "1967-07-22",
      "1967-07-23",
      "1967-07-25",
      "1967-07-31",
      "1967-08-01",
      "1967-08-17",
      "1967-08-20",
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      "1967-08-31"
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     "percent": 28.3
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     "dates": [
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      "1968-06-14",
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      "1968-06-17",
      "1968-06-25",
      "1968-06-30",
      "1968-07-19",
      "1968-08-10",
      "1968-08-11",
      "1968-08-12",
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     "percent": 19.6
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    "days": 92,
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     "dates": [
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      "1969-06-15",
      "1969-06-24",
      "1969-06-25",
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      "1969-07-12",
      "1969-07-13",
      "1969-07-14",
      "1969-07-15",
      "1969-07-16",
      "1969-07-17",
      "1969-07-19",
      "1969-07-20",
      "1969-07-21",
      "1969-07-22",
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      "1969-07-31",
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      "1969-08-06",
      "1969-08-07",
      "1969-08-08",
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      "1970-06-10",
      "1970-06-11",
      "1970-06-12",
      "1970-06-13",
      "1970-06-18",
      "1970-06-19",
      "1970-06-20",
      "1970-06-21",
      "1970-06-22",
      "1970-06-26",
      "1970-06-28",
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      "1970-07-07",
      "1970-07-10",
      "1970-07-17",
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      "1970-08-05",
      "1970-08-06",
      "1970-08-08",
      "1970-08-09",
      "1970-08-10",
      "1970-08-11",
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     "percent": 43.5
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      "1971-07-05",
      "1971-07-06",
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      "1971-07-25",
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     "dates": [
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      "1972-08-07",
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      "1972-08-16",
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     "percent": 22.8
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     "percent": 44.6
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   },
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     "percent": 28.3
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     "percent": 38.0
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     "percent": 53.3
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      "1996-07-10",
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     "percent": 40.2
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     "percent": 43.5
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   },
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   },
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   "tmax_raw_value": "15.4",
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   "reason": null,
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  {
   "date": "1882-09-18",
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   "tmax_raw_value": "13.9",
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   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14326",
   "reason": null,
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   "date": "1882-09-19",
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   "reason": null,
   "raw_value": "0",
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   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14328",
   "reason": null,
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  {
   "date": "1882-09-21",
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   "reason": null,
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   "date": "1882-09-25",
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   "reason": null,
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   "date": "1882-10-02",
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   "reason": null,
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  },
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   "tmax_raw_value": "13.5",
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   "date": "1882-10-07",
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   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14345",
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  },
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   "raw_value": "0",
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   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14349",
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  },
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   "raw_value": "0",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14350"
  },
  {
   "date": "1882-10-13",
   "sunshine_h": 0.0,
   "tmax_c": 12.6,
   "tmax_raw_value": "12.6",
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   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14351",
   "reason": null,
   "raw_value": "0",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14351"
  },
  {
   "date": "1882-10-14",
   "sunshine_h": 3.0,
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   "tmax_raw_value": "14",
   "tmax_reason": null,
   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14352",
   "reason": null,
   "raw_value": "3",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14352"
  },
  {
   "date": "1882-10-15",
   "sunshine_h": 0.0,
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   "tmax_raw_value": "9.8000000000000007",
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   "reason": null,
   "raw_value": "0",
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  },
  {
   "date": "1882-10-16",
   "sunshine_h": 0.0,
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   "tmax_raw_value": "9.5",
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   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14354",
   "reason": null,
   "raw_value": "0",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14354"
  },
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   "date": "1882-10-17",
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   "tmax_raw_value": "10.9",
   "tmax_reason": null,
   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14355",
   "reason": null,
   "raw_value": "5.7",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14355"
  },
  {
   "date": "1882-10-18",
   "sunshine_h": 1.3,
   "tmax_c": 11.5,
   "tmax_raw_value": "11.5",
   "tmax_reason": null,
   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14356",
   "reason": null,
   "raw_value": "1.3",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14356"
  },
  {
   "date": "1882-10-19",
   "sunshine_h": 0.0,
   "tmax_c": 10.8,
   "tmax_raw_value": "10.8",
   "tmax_reason": null,
   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14357",
   "reason": null,
   "raw_value": "0",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14357"
  },
  {
   "date": "1882-10-20",
   "sunshine_h": 4.4,
   "tmax_c": 13.5,
   "tmax_raw_value": "13.5",
   "tmax_reason": null,
   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14358",
   "reason": null,
   "raw_value": "4.4000000000000004",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14358"
  },
  {
   "date": "1882-10-21",
   "sunshine_h": 0.0,
   "tmax_c": 10.3,
   "tmax_raw_value": "10.3",
   "tmax_reason": null,
   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14359",
   "reason": null,
   "raw_value": "0",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14359"
  },
  {
   "date": "1882-10-22",
   "sunshine_h": 3.3,
   "tmax_c": 12.5,
   "tmax_raw_value": "12.5",
   "tmax_reason": null,
   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14360",
   "reason": null,
   "raw_value": "3.3",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14360"
  },
  {
   "date": "1882-10-23",
   "sunshine_h": 2.7,
   "tmax_c": 10.8,
   "tmax_raw_value": "10.8",
   "tmax_reason": null,
   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14361",
   "reason": null,
   "raw_value": "2.7",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14361"
  },
  {
   "date": "1882-10-24",
   "sunshine_h": 0.0,
   "tmax_c": 7.2,
   "tmax_raw_value": "7.2",
   "tmax_reason": null,
   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14362",
   "reason": null,
   "raw_value": "0",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14362"
  },
  {
   "date": "1882-10-25",
   "sunshine_h": 8.0,
   "tmax_c": 11.8,
   "tmax_raw_value": "11.8",
   "tmax_reason": null,
   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14363",
   "reason": null,
   "raw_value": "8",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14363"
  },
  {
   "date": "1882-10-26",
   "sunshine_h": 6.8,
   "tmax_c": 9.0,
   "tmax_raw_value": "9",
   "tmax_reason": null,
   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14364",
   "reason": null,
   "raw_value": "6.8",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14364"
  },
  {
   "date": "1882-10-27",
   "sunshine_h": 0.0,
   "tmax_c": 8.9,
   "tmax_raw_value": "8.9",
   "tmax_reason": null,
   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14365",
   "reason": null,
   "raw_value": "0",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14365"
  },
  {
   "date": "1882-10-28",
   "sunshine_h": 1.2,
   "tmax_c": 10.0,
   "tmax_raw_value": "10",
   "tmax_reason": null,
   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14366",
   "reason": null,
   "raw_value": "1.2",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14366"
  },
  {
   "date": "1882-10-29",
   "sunshine_h": 4.8,
   "tmax_c": 9.2,
   "tmax_raw_value": "9.1999999999999993",
   "tmax_reason": null,
   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14367",
   "reason": null,
   "raw_value": "4.8",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14367"
  },
  {
   "date": "1882-10-30",
   "sunshine_h": 2.5,
   "tmax_c": 10.4,
   "tmax_raw_value": "10.4",
   "tmax_reason": null,
   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14368",
   "reason": null,
   "raw_value": "2.5",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14368"
  },
  {
   "date": "1882-10-31",
   "sunshine_h": 3.1,
   "tmax_c": 11.0,
   "tmax_raw_value": "11",
   "tmax_reason": null,
   "tmax_source_cell": "'Durham Obsy - daily data 1843-'!E14369",
   "reason": null,
   "raw_value": "3.1",
   "source_cell": "'Durham Obsy - daily data 1843-'!O14369"
  }
 ],
 "shields_july": {
  "source": "Met Office Daily Weather Report, July 1882",
  "source_url": "https://digital.nmla.metoffice.gov.uk/download/file/IO_8442608b-e92d-4866-b075-f9407ace5fd0",
  "source_sha256": "0e974244d856d70babcc719e163c8c5a0b232f5e74e2ef33e86c9e3efbad21a9",
  "station_as_printed": "Shields",
  "selection": "First seven calendar days of July, fixed before reading the values; not a representative sample of the stay.",
  "locator": "Yesterday’s 2 P.M. Reports: Shields, Dry. and Wea. columns; observations are dated one day BEFORE each sheet. Sunday returns excepted per printed footnote.",
  "codes": {
   "b": "blue sky",
   "c": "detached clouds",
   "o": "overcast",
   "r": "rain"
  },
  "rows": [
   {
    "date": "1882-07-01",
    "report_date": "1882-07-02",
    "pdf_page": 10,
    "time_as_printed": "YESTERDAY’S 2 P.M.",
    "dry_bulb_f": 58,
    "weather_verbatim": "c",
    "reason": null,
    "dry_bulb_c": 14.4,
    "reading": "detached clouds"
   },
   {
    "date": "1882-07-02",
    "report_date": "1882-07-03",
    "pdf_page": 14,
    "time_as_printed": "YESTERDAY’S 2 P.M.",
    "dry_bulb_f": null,
    "weather_verbatim": null,
    "reason": "blank_Sunday_afternoon_return",
    "dry_bulb_c": null,
    "reading": "No afternoon return (Sunday)"
   },
   {
    "date": "1882-07-03",
    "report_date": "1882-07-04",
    "pdf_page": 18,
    "time_as_printed": "YESTERDAY’S 2 P.M.",
    "dry_bulb_f": 67,
    "weather_verbatim": "o",
    "reason": null,
    "dry_bulb_c": 19.4,
    "reading": "overcast"
   },
   {
    "date": "1882-07-04",
    "report_date": "1882-07-05",
    "pdf_page": 22,
    "time_as_printed": "YESTERDAY’S 2 P.M.",
    "dry_bulb_f": 63,
    "weather_verbatim": "o",
    "reason": null,
    "dry_bulb_c": 17.2,
    "reading": "overcast"
   },
   {
    "date": "1882-07-05",
    "report_date": "1882-07-06",
    "pdf_page": 26,
    "time_as_printed": "YESTERDAY’S 2 P.M.",
    "dry_bulb_f": 63,
    "weather_verbatim": "r",
    "reason": null,
    "dry_bulb_c": 17.2,
    "reading": "rain"
   },
   {
    "date": "1882-07-06",
    "report_date": "1882-07-07",
    "pdf_page": 30,
    "time_as_printed": "YESTERDAY’S 2 P.M.",
    "dry_bulb_f": 65,
    "weather_verbatim": "c",
    "reason": null,
    "dry_bulb_c": 18.3,
    "reading": "detached clouds"
   },
   {
    "date": "1882-07-07",
    "report_date": "1882-07-08",
    "pdf_page": 34,
    "time_as_printed": "YESTERDAY’S 2 P.M.",
    "dry_bulb_f": 57,
    "weather_verbatim": "r",
    "reason": null,
    "dry_bulb_c": 13.9,
    "reading": "rain"
   }
  ],
  "review": "Crops inspected and values reread by one owner. No independent transcription check.",
  "unresolved": {
   "station_site": null,
   "station_site_reason": "exact_1882_site_not_established",
   "sunshine_duration": null,
   "sunshine_duration_reason": "fixed_hour_weather_codes_are_not_hours_of_sunshine"
  }
 },
 "unresolved": {
  "painted_day": null,
  "painted_day_reason": "no_documented_working_day",
  "depicted_season": null,
  "depicted_season_reason": "not_established_by_catalogue_or_records",
  "cottage_weather": null,
  "cottage_weather_reason": "no_observation_at_cottage_matched_to_painting",
  "weather_altered": null,
  "weather_altered_reason": "no_dated_before_and_after_evidence",
  "completed_in_england": null,
  "completed_in_england_reason": "catalogue_says_possibly",
  "ranking": null,
  "ranking_reason": "frequency_test_of_explicit_thresholds; no_rank_assigned_to_painting",
  "modern_sunshine_comparison": null,
  "modern_sunshine_reason": "durham_instrument_record_ended_1999; later_months_regional_estimates"
 },
 "receipts": {
  "object": {
   "title": "NGA, Sparrow Hall, 2025.89.10",
   "url": "https://www.nga.gov/artworks/126152-sparrow-hall",
   "sha256": "ed8911e7b2cf60c5059f4f4747a2adecb4ef35249490e296f38c36de83a40a44",
   "retrieved_at": "2026-10-07",
   "license": "NGA public catalogue; short quotations only",
   "locator": "Web-tool text cache; direct HTML request returned 403"
  },
  "kelly": {
   "title": "Franklin Kelly, Sparrow Hall, American Masters (NGA, 2004)",
   "url": "https://www.nga.gov/content/dam/ngaweb/research/publications/pdfs/american-masters-wilmerding-collection.pdf",
   "sha256": "d87cb325afb499f366a37cceb47bf5a5b00f44b50015fd3a68b028a8e101de17",
   "retrieved_at": "2026-10-07",
   "license": "Copyright NGA; publisher-provided research PDF, no open licence for prose",
   "locator": "pp. 81–83, 154–155; PDF pp. 90–92, 163–164"
  },
  "kelly-text": {
   "title": "Text extraction of the NGA catalogue",
   "url": "https://www.nga.gov/content/dam/ngaweb/research/publications/pdfs/american-masters-wilmerding-collection.pdf",
   "sha256": "fc813d780355fa0a282ecb1c7f359745e2ce6ff4235d91b94e56f1b7db1ddb1a",
   "retrieved_at": "2026-10-07",
   "license": "Copyright NGA; research extraction, not republication",
   "locator": "PyMuPDF extraction; decisive pages also inspected as images"
  },
  "residence": {
   "title": "Milwaukee Art Museum, Coming Away: About Winslow Homer",
   "url": "https://mam.org/exhibitions/season-of-travel/coming-away/about-winslow-homer.html",
   "sha256": "2d8b8d823e2358309cab519c9dfcedd7e7c82f8d93fcff0c7bf301941f58604a",
   "retrieved_at": "2026-10-07",
   "license": "Copyright Milwaukee Art Museum; short excerpt and paraphrase",
   "locator": "Exhibition co-organized with Worcester; curated by Brandon Ruud and Elizabeth Athens"
  },
  "durham-daily": {
   "title": "Durham Observatory daily climatological dataset, Stephen Burt and Tim Burt",
   "url": "https://durhamweather.webspace.durham.ac.uk/wp-content/uploads/sites/26/2025/03/Durham-Observatory-daily-climatological-dataset-updated-to-2024.xlsx",
   "sha256": "1c48f4aab93e822e90059ad0d7d2e9a3fc4cfac290c8d88d94829e191110a608",
   "retrieved_at": "2026-10-07",
   "license": "Open access by provider; credit Burt and Burt, Durham Weather and Climate since 1841 (OUP, 2022)",
   "locator": "Native XLSX, E (provider-adjusted Tmax °C) and O (Sun h); 1881–82, 1961–90 and 1991–2020"
  },
  "durham-docs": {
   "title": "Burt and Burt, Durham daily dataset documentation (May 2022)",
   "url": "https://durhamweather.webspace.durham.ac.uk/wp-content/uploads/sites/26/2022/07/Durham-daily-climate-elements-dataset-documentation.docx",
   "sha256": "7b2ca30d5473a0a044168b6d18cc8b0a1870d688480c00401a21c1039a365d2e",
   "retrieved_at": "2026-10-07",
   "license": "Open access documentation; credit Burt and Burt (2022)",
   "locator": "TEMPERATURE, SUNSHINE, HOURS OF OBSERVATION and record-format sections"
  },
  "durham-access": {
   "title": "Durham University, open access datasets and attribution terms",
   "url": "https://durhamweather.webspace.durham.ac.uk/open-access-climate-datasets/",
   "sha256": "cbeca25069cdaa65f756abc02a2c262d03d50a075e16aaa92010b75ab6045caa",
   "retrieved_at": "2026-10-07",
   "license": "Open access data with source attribution requested",
   "locator": "Page introduction has stale April 2022 wording; downloaded file title says updated to 2024"
  },
  "durham-location": {
   "title": "Met Office, Durham historical station metadata",
   "url": "https://www.metoffice.gov.uk/pub/data/weather/uk/climate/stationdata/durhamdata.txt",
   "sha256": "d2c9ff2a443b8502957ce88fe8bfdbbd0d5ac111208eab0842bc574d4d4306f9",
   "retrieved_at": "2026-10-07",
   "license": "Crown copyright, Open Government Licence",
   "locator": "Location header only; its monthly sunshine is not substituted for daily observations"
  },
  "cullercoats": {
   "title": "OpenStreetMap, Cullercoats place node 9384166767",
   "url": "https://nominatim.openstreetmap.org/search?q=Cullercoats&format=json&limit=1",
   "sha256": "176d32615db420039a2f0735e2d607d8651706e98f1b0b08aa833146a427f21a",
   "retrieved_at": "2026-10-07",
   "license": "ODbL 1.0, © OpenStreetMap contributors",
   "locator": "Place node, not the historic house footprint"
  },
  "dwr": {
   "title": "Met Office, Daily Weather Reports, January 1882",
   "url": "https://digital.nmla.metoffice.gov.uk/download/file/IO_9445465b-50b5-46f3-8449-e807b6f8ebe3",
   "sha256": "3f579756a4699755763cecdf92b2044d7c0dae59d7b977c03f807d7fc53fb0d2",
   "retrieved_at": "2026-10-07",
   "license": "Crown copyright, Open Government Licence",
   "locator": "Shields, 8 A.M. Weather column, 1–7 January; PDF pp. 6, 10, 14, 18, 22, 26, 30"
  },
  "dwr-rights": {
   "title": "Met Office, Daily Weather Report 1881–1890 catalogue",
   "url": "https://library.metoffice.gov.uk/Portal/Default/en-GB/recordview/index/626304",
   "sha256": "e5a2c70eb185550d2d656cf3052e7dadf13ea312005f252998e9a2eae04cd6bd",
   "retrieved_at": "2026-10-07",
   "license": "Open Government Licence",
   "locator": "Archive reference MET/2/4/2/1/3; rights and variables"
  },
  "shields-transcription": {
   "title": "Nephos transcription of seven consecutive Shields morning reports",
   "url": "https://digital.nmla.metoffice.gov.uk/IO_9445465b-50b5-46f3-8449-e807b6f8ebe3/",
   "sha256": "b5b0946f124fe64215be1175d86b720dc6f01c3118903e9907de2a21e78275b0",
   "retrieved_at": "2026-10-07",
   "license": "Transcription of Open Government Licence source",
   "locator": "Same bytes committed under window-engine/evidence/homer-sparrow-hall-1881/; source PDF hash bound inside"
  },
  "image": {
   "title": "Winslow Homer, Sparrow Hall, NGA 2025.89.10",
   "url": "https://api.nga.gov/iiif/b0ad6f6c-7691-446e-8744-3e476ba283fb/full/1600,/0/default.jpg",
   "sha256": "29757264e908dd8b15805bc62076600cbdc8e00f4185f63b8ccdc6444c6824c9",
   "retrieved_at": "2026-10-07",
   "license": "Public domain per NGA object page; John Wilmerding Collection",
   "locator": "NGA IIIF reproduction, 1600 × 1105; full composition"
  },
  "dwr-july": {
   "title": "Met Office Daily Weather Report, July 1882",
   "url": "https://digital.nmla.metoffice.gov.uk/download/file/IO_8442608b-e92d-4866-b075-f9407ace5fd0",
   "sha256": "0e974244d856d70babcc719e163c8c5a0b232f5e74e2ef33e86c9e3efbad21a9",
   "retrieved_at": "2026-10-08",
   "license": "Crown copyright, Open Government Licence",
   "locator": "PDF pp. 10, 14, 18, 22, 26, 30, 34; Shields, Yesterday’s 2 P.M. Reports; observation date precedes sheet date"
  },
  "shields-july": {
   "title": "Nephos transcription: Shields afternoon temperature and weather, 1–7 July 1882",
   "url": "https://digital.nmla.metoffice.gov.uk/IO_8442608b-e92d-4866-b075-f9407ace5fd0/",
   "sha256": "ca20481c6dc87e5aef4877442cf9325fd4d1797d1584bf175b8467ca8ebe05f3",
   "retrieved_at": "2026-10-08",
   "license": "Transcription of Open Government Licence source",
   "locator": "Scan-checked by one reader; identical committed evidence JSON; Sunday blank retained"
  },
  "newspaper": {
   "title": "The Consett Guardian, 30 June 1882, p. 5: Newcastle Town Moor gala",
   "url": "https://leadgatevillage.com/wp-content/uploads/2020/04/June-30th-1882.pdf#page=5",
   "sha256": "44a7b42ede00aedc252cf8cc623bc7fddeb3066a006001b3e5241a608cc42984",
   "retrieved_at": "2026-10-08",
   "license": "Public-domain 1882 newspaper; scan hosted by Leadgate Village history archive",
   "locator": "First full column, Town Moor paragraph; publication date, not a dated observation at Cullercoats"
  },
  "newspaper-excerpt": {
   "title": "Nephos scan-checked transcription of the Town Moor weather passage",
   "url": "https://leadgatevillage.com/wp-content/uploads/2020/04/June-30th-1882.pdf#page=5",
   "sha256": "a46b4166578d4528bb0cdfa48c2fe4bd565beeb06568acbd9bf1dcd25f73da69",
   "retrieved_at": "2026-10-08",
   "license": "Public-domain newspaper excerpt",
   "locator": "Normalized line breaks only; same bytes committed in the study evidence folder"
  },
  "studio": {
   "title": "Robert M. Poole, Hidden Depths, Smithsonian, May 2008; Martha Tedeschi on Homer’s working practice",
   "url": "https://www.smithsonianmag.com/arts-culture/hidden-depths-38616301/",
   "sha256": "41a462b240abaf9cf6ea5437a78a2b25fad18ac727f93e9b9669871fe07ade6e",
   "retrieved_at": "2026-10-08",
   "license": "Copyright Smithsonian; short quotation and paraphrase",
   "locator": "Saved web-tool extraction after direct HTML returned 403; paragraphs on technical examination and Cullercoats sketches; not a technical report on Sparrow Hall"
  }
 }
}
