{
 "schema": "nephos.method.v1",
 "slug": "okeeffe-black-mesa-1930",
 "title": "Georgia O’Keeffe, Black Mesa Landscape, New Mexico / Out Back of Marie’s II (1930)",
 "urls": [
  "/studies/okeeffe-black-mesa-1930"
 ],
 "written": {
  "summary": "The museum catalogue links this canvas to landscapes begun during visits to Marie Garland’s ranch near Alcalde in 1930. The Library of Congress dates the summer trip to June–29 August. The comparison starts on 1 June by convention; neither a painting day nor continuous residence at the ranch is documented.",
  "items": [
   {
    "quote": "1930, June-Aug. 29",
    "source": "Library of Congress, Georgia O’Keeffe timeline",
    "url": "https://www.loc.gov/collections/georgia-okeeffe-and-alfred-stieglitz-correspondence/articles-and-essays/georgia-okeefe-timeline/"
   },
   {
    "quote": "June: returns to New Mexico by train",
    "source": "Georgia O’Keeffe Museum catalogue raisonné chronology, 1930 entry",
    "url": "https://access-ok.okeeffemuseum.org/chronology/"
   }
  ]
 },
 "records": [
  {
   "name": "Weather Bureau, New Mexico Section, June–August 1930",
   "detail": "Separate published monthly precipitation totals for Nambé and Santa Fe, manually read from the original scans. The August calendar month extends two days beyond the visit window.",
   "url": "https://www.ncei.noaa.gov/nerms/api/document/E08F827BB64740CBA14B86592A07ABCA/download"
  },
  {
   "name": "NOAA GHCN-Daily, Santa Fe, USC00298072",
   "detail": "A complete daily precipitation sequence for 1 June–29 August. Trace, presumed-zero and quality flags are handled separately. July’s nonblank printed daily cells were checked against the digital file.",
   "url": "https://www.ncei.noaa.gov/pub/data/ghcn/daily/all/USC00298072.dly"
  },
  {
   "name": "Museum object record and exhibition scholarship",
   "detail": "The labels identify Black Mesa; the museum describes an abstraction retaining the land’s contours and colours. No verified storm description or dated execution record was found.",
   "url": "https://access-ok.okeeffemuseum.org/object/77/"
  }
 ],
 "gaps": [
  "The month-only June start is not an arrival date. Travel elsewhere falls within the visit envelope.",
  "The museum’s short timeline says late April for the return to New Mexico; its fuller catalogue chronology and the Library of Congress say June.",
  "No verified ranch gauge, exact easel location or weather observation tied to this painting is established.",
  "Española has no daily entries in the selected window. Alcalde and Chamita station series start later. Nambé’s presumed-zero entries cannot establish dry days."
 ],
 "tests": [
  {
   "claim": "What changed in rainfall during the documented summer?",
   "result": "Both selected gauges recorded much more rain in July than in June. Their August totals differ sharply. These are separate station records, not an average or a reconstruction of weather at the ranch."
  },
  {
   "claim": "Does the rainfall identify a storm in the painting?",
   "result": "Unknown. The verified museum account concerns landforms and abstraction, not a specified storm. No painting day permits an event comparison."
  },
  {
   "claim": "What did O’Keeffe change?",
   "result": "The museum describes a transformation of the land’s contours and colours into an abstract surface composition. The weather records cannot measure that artistic change or explain the painted light."
  }
 ],
 "finding": "The picture is tied to the Alcalde landscape and the summer of 1930. Rainfall changed over that summer and differed between nearby places. The weather of the depicted scene remains unknown.",
 "verdicts": [
  {
   "claim": "A specific painted day",
   "verdict": "Unknown",
   "reason": "The documents date the year and the trip, not work on this canvas within the trip."
  },
  {
   "claim": "Weather depicted above Black Mesa",
   "verdict": "Unknown",
   "reason": "No verified source identifies a particular storm; neither gauge measures the sky or rainfall at the ranch."
  }
 ],
 "limits": [
  "Whole-month totals are not prorated to the visit window. Different station observation-day conventions remain separate.",
  "Catalogue coordinates give approximate distances from Alcalde, not verified 1930 instrument-to-easel distances.",
  "Printed monthly totals and the rounded daily millimetre file are distinct numerical products.",
  "This study makes no climate ranking and no claim about an unusual summer.",
  "The artwork is marked In Copyright. The reproduced document is a public-domain Weather Bureau page, not the painting."
 ]
}