{
  "schema": "nephos.howard-month.v1",
  "source": {
    "work": "Luke Howard, The Climate of London, 2nd edition, vol. III (London: Harvey and Darton, 1833)",
    "table": "Table CXCVI, p. 90, with the notes for the Ninth Month (September) 1822 on the same page",
    "page_image_url": "https://archive.org/download/in.ernet.dli.2015.48048/page/n96.jpg",
    "station_note": "The table page does not label its station. Howard's registers for these years were kept at Tottenham and Stratford, not Hampstead.",
    "columns_transcribed": "Wind; Temp. Max. and Min. (first thermometer, degrees Fahrenheit); Notes. Barometer, second thermometer, evaporation, hygrometer and rain columns are not transcribed here."
  },
  "transcription": {
    "read_by": "Fable (Claude), from the page image, 2026-09-07",
    "independent_check": "Wind column reconciles exactly with the month tally in the verified Yale receipt (N 3, NE 9, E 4, SE 1, SW 5, W 1, NW 7). Days 20, 21 and 22 and the 17 to 21 note were separately checked against the page image on 2026-08-18 (see constable-analysis.json).",
    "status": "page-image reading; not yet checked by a second reader for days other than 20 to 22"
  },
  "year": 1822,
  "month": 9,
  "days": [
    {"day": 1, "wind": "NW", "temp_max_f": 71, "temp_min_f": 40},
    {"day": 2, "wind": "SW", "temp_max_f": 71, "temp_min_f": 41},
    {"day": 3, "wind": "NW", "temp_max_f": 73, "temp_min_f": 50},
    {"day": 4, "wind": "NW", "temp_max_f": 71, "temp_min_f": 58},
    {"day": 5, "wind": "SW", "temp_max_f": 73, "temp_min_f": 60},
    {"day": 6, "wind": "SW", "temp_max_f": 72, "temp_min_f": 47},
    {"day": 7, "wind": "NW", "temp_max_f": 68, "temp_min_f": 48},
    {"day": 8, "wind": "SW", "temp_max_f": 69, "temp_min_f": 48},
    {"day": 9, "wind": "W", "temp_max_f": 66, "temp_min_f": 45},
    {"day": 10, "wind": "NW", "temp_max_f": 69, "temp_min_f": 42},
    {"day": 11, "wind": "SW", "temp_max_f": 73, "temp_min_f": 46},
    {"day": 12, "wind": "NW", "temp_max_f": 64, "temp_min_f": 50},
    {"day": 13, "wind": "NE", "temp_max_f": 64, "temp_min_f": 33},
    {"day": 14, "wind": "E", "temp_max_f": 67, "temp_min_f": 49},
    {"day": 15, "wind": "E", "temp_max_f": 62, "temp_min_f": 43},
    {"day": 16, "wind": "NE", "temp_max_f": 70, "temp_min_f": 43},
    {"day": 17, "wind": "NW", "temp_max_f": 77, "temp_min_f": 46},
    {"day": 18, "wind": "NE", "temp_max_f": 70, "temp_min_f": 49},
    {"day": 19, "wind": "E", "temp_max_f": 66, "temp_min_f": 47},
    {"day": 20, "wind": "SE", "temp_max_f": 68, "temp_min_f": 47},
    {"day": 21, "wind": "NE", "temp_max_f": 65, "temp_min_f": 49},
    {"day": 22, "wind": "E", "temp_max_f": 58, "temp_min_f": 52},
    {"day": 23, "wind": "NE", "temp_max_f": 64, "temp_min_f": 53},
    {"day": 24, "wind": "NE", "temp_max_f": 60, "temp_min_f": 50},
    {"day": 25, "wind": "N", "temp_max_f": 59, "temp_min_f": 40},
    {"day": 26, "wind": "N", "temp_max_f": 63, "temp_min_f": 43},
    {"day": 27, "wind": "N", "temp_max_f": 58, "temp_min_f": 43},
    {"day": 28, "wind": "NE", "temp_max_f": 58, "temp_min_f": 47},
    {"day": 29, "wind": "NE", "temp_max_f": 62, "temp_min_f": 39},
    {"day": 30, "wind": "NE", "temp_max_f": 68, "temp_min_f": 36}
  ],
  "notes": [
    {"days": [1, 7], "text": "Fine."},
    {"days": [8, 8], "text": "Cloudy: windy."},
    {"days": [9, 10], "text": "Fine."},
    {"days": [11, 11], "text": "Cloudy: a little rain in the evening."},
    {"days": [12, 12], "text": "Fine."},
    {"days": [13, 13], "text": "Cloudy and fine."},
    {"days": [14, 14], "text": "Cloudy."},
    {"days": [15, 15], "text": "Cloudy: windy."},
    {"days": [16, 16], "text": "Overcast."},
    {"days": [17, 21], "text": "Fine."},
    {"days": [22, 22], "text": "Cloudy: windy: swallows begin to congregate."},
    {"days": [23, 23], "text": "Cloudy: rainy."},
    {"days": [24, 24], "text": "Rainy."},
    {"days": [25, 25], "text": "Fine."},
    {"days": [26, 26], "text": "Cloudy: fine."},
    {"days": [27, 27], "text": "Bleak."},
    {"days": [28, 30], "text": "Fine."}
  ],
  "month_summary_row": {"temp_max_f": 77, "temp_min_f": 33, "barometer_max_in": 30.24, "barometer_min_in": 29.13}
}