{
 "schema": "nephos.method.v1",
 "slug": "okeeffe-road-to-pedernal-1941",
 "title": "Georgia O’Keeffe, Road to Pedernal (1941)",
 "urls": [
  "/studies/okeeffe-road-to-pedernal-1941"
 ],
 "written": {
  "summary": "The museum dates the oil to 1941; the documented visit spans May–November, with excursions. O’Keeffe’s letters to Henwar Rodakiewicz describe rain in July, September and October, including a lost view of the mountain. None names this canvas.",
  "items": [
   {
    "quote": "Oh it has rained and rained today -- we have no mountain and the cliffs have us lost.",
    "source": "O’Keeffe to Henwar Rodakiewicz; Library of Congress, October 1941, box 1 folder 17, image 5",
    "url": "https://www.loc.gov/resource/mss86262.00117/?sp=5"
   }
  ]
 },
 "records": [
  {
   "name": "Nephos’s visual reading",
   "detail": "A broad, dry-looking pink-red dirt road runs towards Cerro Pedernal, between pale yellow-ochre fields, below a teal-blue mesa and a white sky: a dry, bright scene with no visible puddles or wet sheen. Green trees and green passages on the mesa are visible; the fields are not lush green. White paint does not distinguish sun, overcast or haze, and apparent dryness is not a soil-moisture measurement.",
   "url": "https://access-ok.okeeffemuseum.org/object/1017/"
  },
  {
   "name": "NOAA New Mexico annual precipitation",
   "detail": "1941: 26.57 inches, rank 1 of 131, 1895–2025. Statewide, not a ranch gauge.",
   "url": "https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/time-series/29/pcp/12/12/1895-2025.csv"
  },
  {
   "name": "El Rito, Abiquiu, Española, Santa Fe city and airport",
   "detail": "Separate monthly archives; same-calendar-month ranks use every accepted total through 2025. Only El Rito has all seven usable 1941 months. The city’s unexplained summer zeros are excluded.",
   "url": "https://www.ncei.noaa.gov/data/global-summary-of-the-month/access/USC00292820.csv"
  },
  {
   "name": "El Rito 1991–2020 normals",
   "detail": "May–November: 210.3 mm. NOAA’s S/R completeness flags and observed year counts are retained; provider estimates fill some missing months.",
   "url": "https://www.ncei.noaa.gov/data/normals-monthly/1991-2020/access/USC00292820.csv"
  },
  {
   "name": "Contemporary letters and Weather Bureau report",
   "detail": "Short letter excerpts re-read against manuscript images. The September report describes statewide wetness and flooding elsewhere in New Mexico, not a washout on the painted road.",
   "url": "https://www.loc.gov/resource/mss86262.00117/?sp=5"
  }
 ],
 "gaps": [
  "The year and visit months do not date a painting session. The precise viewpoint is not established.",
  "Abiquiu begins after 1941. Española lacks May and October; Santa Fe Airport begins in June.",
  "The tested Library of Congress collection has no digitized Santa Fe New Mexican pages for 1941; other holdings may survive.",
  "The related graphite drawing does not establish order of making, a studio sequence or a change in observed weather."
 ],
 "tests": [
  {
   "claim": "Does the dry-looking road describe a generally dry visit season?",
   "result": "No at El Rito: 381.0 mm ranks first of 45 usable May–November seasons, spanning 1934–2008. May, September and October are near the wet end of their monthly records. August and November are below their modern normals."
  },
  {
   "claim": "Could a rainless interval coexist with the exceptionally wet season?",
   "result": "The El Rito archive has 5 consecutive unflagged zeros, 1941-10-31–1941-11-04. Traces, P entries, quality flags and missing days interrupt the strict test. This permits a rainless interval at a regional gauge; neither a painted date nor road drying time follows."
  },
  {
   "claim": "Does the record establish that O’Keeffe deliberately removed rain?",
   "result": "No. The picture presents an open view while an October letter says rain hid the mountain. The sources do not connect that letter to the canvas or establish a weather alteration."
  }
 ],
 "finding": "Nephos reads a dry-looking road and a clearly visible mountain in a wet year. El Rito’s May–November 1941 total is 381.0 mm, first among 45 usable seven-month seasons and 1.81 times its 1991–2020 normal. O’Keeffe’s rain letters make the contrast local to her experience; daily zero runs permit rainless intervals without identifying the painted day or proving she changed observed weather.",
 "verdicts": [
  {
   "claim": "An exceptionally wet regional season",
   "verdict": "Partially agrees",
   "reason": "Statewide NOAA ranking, El Rito monthly comparison and contemporary rain letters concur, at their different scales."
  },
  {
   "claim": "A specific painted day or a deliberate change to observed weather",
   "verdict": "Unknown",
   "reason": "A zero run cannot date the painting; the letters do not name it."
  }
 ],
 "limits": [
  "The visual reading is Nephos’s, not a museum statement. Green trees and mesa passages are visible; the sky’s whiteness is not a cloud diagnosis.",
  "Ranks describe an incomplete, unhomogenized archive; missing seasons are excluded. Monthly GSOM totals can include daily presumed-zero encodings.",
  "Daily unflagged zeros are an archive classification, not independently verified dry ground; the printed tables do not resolve all zero flags.",
  "Station coordinates are modern catalogue positions. Distances to a ranch reference do not identify a gauge-to-easel relationship.",
  "Modern normals include NOAA gap estimates. No new cross-station average or climate-trend attribution is made.",
  "The letters’ months are archival dates; artist-authored testimony is not independent of the artist’s work.",
  "Artwork and letter images were inspected internally and are not reproduced. Short quotations and the public-domain weather report carry the evidence.",
  "Research and transcription checks were performed by one owner; no independent second reader is claimed."
 ]
}