Nephosthe weather behind the paintings

An openly licensed reproduction of this painting has not been verified. View the picture through its museum record.

See the painting at Mount Holyoke

George Inness, Saco Ford: Conway Meadows, 1876. Oil on canvas. Mount Holyoke College Art Museum, 1883.55.I(b).PI, Gift of Ellen W. Ayer.

A study against the weather record

George Inness

Saco Ford: Conway Meadows

1876 · Mount Holyoke College Art Museum, 1883.55.I(b).PI · Gift of Ellen W. Ayer

The museum suggests that some white forms may be railway smoke or steam. What can the records establish about this landscape and its sky?

1875a documented Conway campaign, preceding the museum’s 1876 canvas date. Neither dates the painted weather.

Railway context supportedPainted weather unknown

The recordsThe museum record

The Nephos method

How this study was read

The method in full

  1. What is written

    The museum dates the canvas to 1876. A contemporary notice, preserved in a modern transcription, places Inness sketching in North Conway in June 1875. The weather comparison covers that campaign’s calendar summer, not a documented period of work on this canvas.

  2. Records of those days

    Not found or not yet searched

    • The painting’s execution day, place of execution and particular preparatory studies have not been established.
    • No accepted daily North Conway weather series or dated local weather witness was obtained.
    • No openly licensed reproduction of this painting was verified; the holder’s page is linked.

  3. Each claim tested

    • Does the canvas date identify the weather to compare? No. The museum’s 1876 date and the documented 1875 campaign are different kinds of evidence; neither dates this painted sky.
    • Could the low white forms belong to a railway? A contemporary timetable supports the presence of service to North Conway. It does not identify a train, track or plume in the painting.
    • Can Portland’s rain validate the sky? The daily entries establish rainfall at the coastal station during the campaign’s summer. They cannot establish the weather at the painted viewpoint.

  4. Verdict

    The records support a Conway campaign and contemporary railway service. The museum’s possible smoke or steam remains an interpretation, and the painted weather remains undated.

    • Partially agreesRailway context Service to North Conway is documented; a painted plume is not identified.
    • UnknownWeather of the canvas No dated scene or local observation can be matched.

What this cannot tell you. June–August 1875 is a seasonal frame, not an itinerary. Herbert’s relative execution date precedes Williston Hall’s November 1876 opening and is consistent with the museum’s 1876 year. The summit station and Portland are not substitutes for the meadow. No claim of a painted storm day, climate ranking or modern anomaly is made.

Step 1 · The picture and the campaign

A canvas date is not a weather date

Mount Holyoke catalogues Saco Ford: Conway Meadows as 1876. The picture belongs to Inness’s engagement with North Conway, where familiar scenery became a vehicle for changing light and atmosphere. Nicolai Cikovsky’s account of the Conway campaign, quoted in a Christie’s essay, describes a shift “from natural monuments to natural moments”. That is a reading of his artistic emphasis, not evidence of a particular storm.

A notice dated 1 June 1875 places Inness, his son and John A. Monks at the Kearsarge House, sketching nearby. It survives here through White Mountain Art & Artists’ transcription; the original newspaper issue has not been inspected. A catalogue-based account of the campaign also places it in the summer of 1875. No object-specific letter, dated field study or execution record has been established for this canvas.

Robert L. Herbert’s college history places execution in the summer before Williston Hall opened in November 1876, consistent with the museum’s 1876 date. The museum’s teaching guide says the painting followed a summer there. These accounts do not establish whether this canvas was completed in the field or in a later studio session.

The weather frame is 1 June–31 August 1875, 92 calendar days. It gives seasonal context for the documented campaign, not an arrival-to-departure itinerary or the dates when this picture was painted. A second summer visit in 1876 has not been verified in the sources used here.

“George Inness and son, and John A. Monks are at the Kearsarge House, North Conway, sketching in the vicinity.”

Boston Evening Transcript, 1 June 1875, as transcribed by White Mountain Art & Artists; original issue not inspected.

Step 2 · Read the white forms carefully

A railway is documented; a plume is not

The museum’s Look and Learn guide, p. 5, distinguishes the large gray clouds from lower white forms near the distant hills. It offers a conditional interpretation: the white forms may be “smoke or steam rather than clouds”, from a train hidden by trees. The guide’s indexed text was available; its original PDF could not be retrieved. The suggestion remains the museum’s interpretation, not an identified cloud type or a confirmed train.

The Portland Daily Press of 7 July 1875 provides a small but concrete check. Its Eastern Railroad advertisement names a connection to North Conway. Railway service was part of the setting during the campaign’s summer. The advertisement does not locate the track within this view, identify a passing locomotive, or establish what the white paint represents.

This leaves a different question from simply asking whether it rained: how does the picture combine a familiar landscape, weather and a possible trace of transport? No preparatory comparison has been found that would show Inness adding, moving or removing a train or a cloud.

“The 9.00 A. M. Train from Portland connects at Conway Junction with the 8.00 A. M. train from Boston for North Conway.”

Portland Daily Press, 7 July 1875, p. 4, Eastern Railroad advertisement
Eastern Railroad advertisement naming a train from Boston for North Conway. The full relevant sentence is transcribed immediately above.
Newspaper evidence, not a reproduction of the painting. Portland Daily Press, 7 July 1875, p. 4. Public domain; Maine State Library record, scan downloaded from Maine Running Photos. Excerpt from a timetable effective 21 June 1875.

Step 3 · A regional record

Rain at Portland cannot identify a Conway sky

The NOAA/NCEI daily file for Portland, Maine has entries for all 92 days of the comparison. Its historical station at 4 Exchange Street was 82.9 km from the North Conway town reference point in a straight line. The actual painted viewpoint is unknown. This is a coastal record, not an observation in the meadow or on Mount Washington.

21 daily entries record at least 1 mm of precipitation. The table counts only recorded amounts that meet that threshold. It does not count all rainy days, identify thunderstorms, or tell whether cloud hid any mountain. Rain at one station does not establish the sky at another.

There are 59 entries flagged P, meaning missing presumed zero in NOAA’s documentation. They remain unknown here. No rainfall total, run of dry days or wetness ranking is derived from them.

A second transcription, NOAA/CDMP–MRCC, records 0.50 inches (12.7 mm) on 6 July; GHCN gives 13.5 mm. Either amount exceeds the counting threshold, but the exact amount is unresolved. These are two transcriptions of the same station, not independent weather witnesses. The daily accumulation boundary is not established.

Portland, Maine · calendar summer 1875
MonthDaily entriesEntries ≥ 1 mmPresumed zeros
June30720
July31618
August31821
Every daily entry and its status
1875Precipitation, mmStatus
1 JuneUnknownP: missing presumed zero
2 JuneUnknownP: missing presumed zero
3 JuneUnknownP: missing presumed zero
4 June0.3Reported amount
5 JuneUnknownP: missing presumed zero
6 JuneUnknownP: missing presumed zero
7 June4.6Reported amount
8 JuneUnknownP: missing presumed zero
9 June0.5Reported amount
10 June63.5Reported amount
11 JuneUnknownP: missing presumed zero
12 JuneUnknownP: missing presumed zero
13 June2.3Reported amount
14 JuneUnknownP: missing presumed zero
15 JuneUnknownP: missing presumed zero
16 JuneUnknownP: missing presumed zero
17 JuneUnknownP: missing presumed zero
18 June31.8Reported amount
19 June14.2Reported amount
20 JuneUnknownP: missing presumed zero
21 JuneUnknownP: missing presumed zero
22 JuneUnknownP: missing presumed zero
23 JuneUnknownP: missing presumed zero
24 JuneUnknownP: missing presumed zero
25 June0.5Reported amount
26 June19.1Reported amount
27 JuneUnknownP: missing presumed zero
28 JuneUnknownP: missing presumed zero
29 JuneUnknownP: missing presumed zero
30 June3.3Reported amount
1 JulyUnknownP: missing presumed zero
2 JulyUnknownP: missing presumed zero
3 JulyUnknownP: missing presumed zero
4 July2.5Reported amount
5 JulyUnknownP: missing presumed zero
6 July13.5GHCN transcription; MRCC gives 12.7 mm. Exact amount unresolved.
7 July3.0Reported amount
8 JulyUnknownP: missing presumed zero
9 July0.3Reported amount
10 July10.2Reported amount
11 JulyUnknownP: missing presumed zero
12 JulyUnknownP: missing presumed zero
13 July0.8Reported amount
14 JulyUnknownP: missing presumed zero
15 JulyUnknownP: missing presumed zero
16 July0.5Reported amount
17 July0.3Reported amount
18 July0.3Reported amount
19 JulyUnknownP: missing presumed zero
20 JulyUnknownP: missing presumed zero
21 JulyUnknownP: missing presumed zero
22 JulyUnknownP: missing presumed zero
23 July10.9Reported amount
24 JulyUnknownP: missing presumed zero
25 JulyUnknownP: missing presumed zero
26 July0.5Reported amount
27 July3.0Reported amount
28 JulyUnknownP: missing presumed zero
29 JulyUnknownP: missing presumed zero
30 July0.3Reported amount
31 JulyUnknownP: missing presumed zero
1 AugustUnknownP: missing presumed zero
2 AugustUnknownP: missing presumed zero
3 August23.4Reported amount
4 August2.5Reported amount
5 August8.1Reported amount
6 AugustUnknownP: missing presumed zero
7 AugustUnknownP: missing presumed zero
8 August2.8Reported amount
9 AugustUnknownP: missing presumed zero
10 AugustUnknownP: missing presumed zero
11 AugustUnknownP: missing presumed zero
12 August6.4Reported amount
13 August1.0Reported amount
14 AugustUnknownP: missing presumed zero
15 AugustUnknownP: missing presumed zero
16 August0.5Reported amount
17 August0.5Reported amount
18 August20.8Reported amount
19 August2.5Reported amount
20 AugustUnknownP: missing presumed zero
21 AugustUnknownP: missing presumed zero
22 AugustUnknownP: missing presumed zero
23 AugustUnknownP: missing presumed zero
24 AugustUnknownP: missing presumed zero
25 AugustUnknownP: missing presumed zero
26 AugustUnknownP: missing presumed zero
27 AugustUnknownP: missing presumed zero
28 AugustUnknownP: missing presumed zero
29 AugustUnknownP: missing presumed zero
30 AugustUnknownP: missing presumed zero
31 AugustUnknownP: missing presumed zero

Step 4 · What the comparison can decide

The setting has records; the painted moment does not

The documentary record supports a Conway campaign in 1875 and railway service during its summer. The rain file supplies regional context. None of these sources fixes the weather of the canvas catalogued 1876. The museum’s possible smoke or steam cannot be confirmed or dismissed by Portland’s rain gauge.

No accepted daily weather series for North Conway or dated local weather witness was obtained in this search. The Signal Service station on Mount Washington is a distinct candidate, not the present Observatory, which began in 1932; summit weather would still need to be kept separate from the valley. An object-specific field study, dated letter or technical comparison could narrow how this picture was made. Until then, its date of observation, its precise weather and the identity of those white forms remain open.

Sources

Every source on this page

Weather calculations use cached files checked against their sha256 fingerprints. The source entries distinguish original documents, extracted text, a modern transcription and indexed text. A fingerprint preserves the version used; it does not resolve a source’s uncertainty.

  1. Mount Holyoke College Art Museum, Art of the United StatesCopyrighted museum text; factual reference only; images require permission · retrieved 7 October 2026 · Saco Ford: Conway Meadows listingsha256 d77dd509f3fb794d0792748fec61ba23d2f31b643cc53ef5b67001fec865a051
  2. Mount Holyoke College Art Museum, Annual Report 2016–2017Copyrighted museum publication; factual reference only · retrieved 7 October 2026 · p. 11, loanssha256 7be7b0ee359de4db1e484e479f620fde7a1d40f435d20246e952adfbd7dfc1b4
  3. Text extracted from the museum annual reportCopyrighted museum publication; factual reference only · retrieved 7 October 2026 · p. 11; local PyMuPDF extractionsha256 a20689249da14db363c28493f7532bc6571348ddcdec51fd9ef0034cc857e975
  4. Mount Holyoke, Look and Learn, indexed text of p. 5Copyrighted museum text; short excerpts only · retrieved 7 October 2026 · Search-index text inspected and cached; original PDF returned 404, not inspectedsha256 cf52e264f3a48f9963cd2eb23d0e7f640268577cc88341141562e993d03141fe
  5. Boston Evening Transcript, 1 June 1875, quoted by White Mountain Art & ArtistsPublic-domain newspaper words in a copyrighted modern transcription · retrieved 7 October 2026 · Biography of J. A. S. Monks; newspaper page number and original scan not verified; cached web-tool renderingsha256 219dd7b6a7e706965d66db6c3b45a424563793d3de145bc1e5905c3510d0d042
  6. Christie’s, Conway Valley, lot essay citing Michael Quick (2007)Copyrighted lot essay; brief excerpt and paraphrase only · retrieved 7 October 2026 · 1875 campaign; this lot is a different paintingsha256 22891ea681b742893b68674c9c0e030637cec5b59a64d1defa6770c0a482b8dc
  7. Christie’s, North Conway, quoting Nicolai Cikovsky (1985), p. 128Copyrighted lot essay; brief excerpt and paraphrase only · retrieved 7 October 2026 · Cikovsky’s interpretation of the Conway campaign; essay also names the Mount Holyoke paintingsha256 8667e8cfa4a6ff583a01381f098dabbde4b69dfcb7ba6c77eeeb61ce41558f83
  8. Robert L. Herbert, History of Art at Mount Holyoke College, 1872–1914 (2018)Copyrighted scholarly text, freely provided by Mount Holyoke; brief excerpt and paraphrase only · retrieved 7 October 2026 · pp. 3, 4, 6; November 1876 opening (p. 3) and relative summer execution accountsha256 adfc7083869c872b407e348d9637ea11fd6cc0757d30fe1ea58c6531d30ccd47
  9. Text extracted from Herbert (2018)Copyrighted scholarly text; brief excerpt and paraphrase only · retrieved 7 October 2026 · p. 6; local PyMuPDF extractionsha256 45ec06c1c9d5ed18e6cdd52a13be9ecfd6d5bae664cc0b9e899123b39924a761
  10. NOAA/NCEI GHCN-Daily, Portland, Maine, USC00176902U.S. federal data; credit NOAA/NCEI · retrieved 7 October 2026 · PRCP, June–August 1875; P flags retained as missing presumed zerosha256 a7850acbddcc6edde5f32347110bb88cb6e74dad65d385aef148e1a476fbece4
  11. NOAA/NCEI GHCN-Daily format and flag definitionsU.S. federal documentation · retrieved 7 October 2026 · PRCP in tenths of mm; MFLAG P; QFLAG; SFLAG 0sha256 0e4e6f0e6947cf1add884c328a01760f31c56ef5fb86b85ed57dd5dc4c4aeaa6
  12. NOAA/CDMP–MRCC keyed Portland daily recordU.S. federal historical data; credit MRCC · retrieved 7 October 2026 · Station 176902; PRCP-99 at field 17; comparison, not an independent observersha256 dd1ad8cf2675a10f20c94a8d100d0936fce1cdc16b8f0143d665e9b8f00ec2ee
  13. MRCC Portland station historyU.S. federal historical metadata; credit MRCC · retrieved 7 October 2026 · 4 Exchange Street, November 1871–September 1875; moved October 1875sha256 ccc3e8619e2e5bde7cacade6bfc85856f4fb548fac13a5b5cf3a84a8e8185e6d
  14. GeoNames 5090347, North ConwayGeoNames CC BY 4.0; credit GeoNames · retrieved 7 October 2026 · Town reference coordinate; the painter’s viewpoint is unknownsha256 7a5247656564271b41013791ff340fd3a066f896a395729d3b26bae44574ceb3
  15. Portland Daily Press, 7 July 1875Public domain; Maine State Library No Copyright–United States · retrieved 7 October 2026 · p. 4, Eastern Railroad; downloaded from https://mainerunningphotos.com/wp-content/uploads/1875/07/Portland-Daily-Press-July-7-1875-1.pdfsha256 e1aa1b0500816eb3a60dfe4a01481ae0cc085690f7dddcb0313c876595569cc9
  16. Nephos transcription of the Eastern Railroad advertisementPublic-domain source; Nephos transcription · retrieved 7 October 2026 · p. 4; source hash and visual reading notes includedsha256 a658503ec262f6e0409474bf4c5511764672b2e2d9d362b5d3ff9ba3273aea65
  17. Mount Washington Observatory, Our History, Peter CraneCopyrighted institutional text; paraphrase only · retrieved 7 October 2026 · Signal Service occupation followed the private 1870–1871 expedition; current Observatory founded in 1932sha256 50e26ee9f366c391636e7d2d376fb9fee3d98747dd566d89820ce0b8bee89ab1
  18. NOAA/NCDC, DSI-3297 CDMP format documentation (March 2010)U.S. federal documentation · retrieved 7 October 2026 · pp. 15, 19: PRCP units; code 99 means missing observation hoursha256 3ade954c6c3f982ce8ab390f776f17cee7dce1b884e33e955a32a780db5a7cdf
  19. Maine State Library record and rights statement, 7 July 1875No Copyright–United States statement for the newspaper · retrieved 7 October 2026 · Issue metadata and NoC-US rights statementsha256 182b681ff8da9f71801f2a15e628c9cb3a923f125111f1054a11f0775188ba75

The numbers on this page, as JSONThe method card, as JSON