{
 "schema": "nephos.method.v1",
 "slug": "lawrence-rockport-harbor-c1930",
 "title": "Edna W. Lawrence, Rockport Harbor, about 1930",
 "urls": [
  "/studies/lawrence-rockport-harbor-c1930"
 ],
 "written": {
  "summary": "The museum dates the painting to about 1930. Natalie Mead identifies its subject as likely Rockport, Massachusetts. No month, season, dated visit or painting day is documented.",
  "items": [
   {
    "quote": "The painting likely depicts Rockport, Massachusetts, and dates to around 1930.",
    "source": "Natalie Mead, email to the author, 19 October 2026",
    "url": "#rc-curator"
   },
   {
    "quote": "Rockport Harbor, c. 1930",
    "source": "Huntsville Museum of Art, supplied catalogue card, 2018.03",
    "url": "#rc-card"
   }
  ]
 },
 "records": [
  {
   "name": "Rockport 1 ESE, USC00196977",
   "detail": "9 complete monthly temperature means out of 36 months considered in 1929–1931. Each station and year stays separate; gaps are shown.",
   "url": "https://www.ncei.noaa.gov/pub/data/ghcn/daily/all/USC00196977.dly"
  },
  {
   "name": "East Gloucester, USC00192150",
   "detail": "17 complete monthly temperature means out of 36 months considered in 1929–1931. Each station and year stays separate; gaps are shown.",
   "url": "https://www.ncei.noaa.gov/pub/data/ghcn/daily/all/USC00192150.dly"
  }
 ],
 "gaps": [
  "The approximate date is not a bounded making interval. The place identification remains qualified as likely.",
  "The catalogue thumbnail supplies no secure season. Summer-colony history does not date Lawrence’s visit.",
  "No exact viewpoint, dated weather witness, outdoor session or account of studio changes is established."
 ],
 "tests": [
  {
   "claim": "Does the harbour scene establish summer?",
   "result": "Unknown. Nephos reads boats and reflections but no decisive seasonal cue. All twelve months are considered."
  },
  {
   "claim": "What survives near the approximate date?",
   "result": "Rockport supplies 9 complete monthly means; East Gloucester supplies 17. Incomplete months and all annual means remain blank."
  },
  {
   "claim": "Do the records verify the painted light?",
   "result": "No. High–low temperature midpoints cannot measure reflected light, cloud, wind, tide or the weather of an unidentified day."
  }
 ],
 "finding": "A harbour scene with an approximate date can be placed beside local monthly records, but neither its season nor its painted sky is established.",
 "verdicts": [
  {
   "claim": "The painted season, day and sky",
   "verdict": "Unknown",
   "reason": "No dated session or secure seasonal cue connects the scene to an observation."
  },
  {
   "claim": "What Lawrence changed",
   "verdict": "Unknown",
   "reason": "No object-specific making evidence has been established."
  }
 ],
 "limits": [
  "All twelve calendar months in three separate years surrounding about 1930. Analytical context, not documentary bounds or a summer attribution.",
  "Each station and month separately: mean of daily (TMAX + TMIN) / 2 only if every calendar day has both readings and blank NOAA quality flags. No infilling, pooled stations or pooled years. Same-calendar-month ranks use all complete months in each station file, unrounded, with ties sharing rank. No homogenization.",
  "Station coordinates are catalogue positions. Historical exposures and long-term instrument comparability have not been verified; ranks describe retained archive values, not a climate trend.",
  "Neither station covers a 1991–2020 reference. No modern station is spliced in.",
  "PRCP retained with flags for audit; no precipitation totals, rainless-day counts or wetness ranks are published. Presumed-zero amounts are rejected.",
  "No artwork reproduction is published; the supplied catalogue thumbnail was inspected for research only."
 ]
}