Nephosthe weather behind the paintings
Claude Monet, The Seine at Giverny (L’Île aux Orties): the island’s trees in blue and violet mirrored in still water under a pale pink sky.
Oil on canvas, signed and dated 1897. Columbia Museum of Art, gift of Mary T. Chambers. Image: the museum’s web copy via Wikimedia Commons, CC BY-SA 4.0.

A study against the weather record

Claude Monet

The Seine at Giverny

L’Île aux Orties, Giverny · 1897 · Columbia Museum of Art, Columbia, South Carolina

The Met says bad weather kept Monet’s dawn pictures of the Seine unfinished until 1897, the year of this canvas. What did the rain gauges near Giverny record in those two summers?

148.9mm of rain at Paris in September 1896, the wettest September in 152 years, at the end of the first summer Monet painted the river at dawn.

“Inclement weather” partially agreesDawn mist unknown

The recordsThe painting at the Columbia Museum of Art

The Nephos method

How this study was read

The method in full
  1. What is written

    One of four canvases of the Île aux Orties, all dated 1897, painted from Monet’s boat at the mouth of the Epte during the two summers of dawn work that also produced the Mornings on the Seine.

  2. Records of those days

    • Jeufosse and Bonnières rain gaugesDaily rain 4.2 and 5.7 km from the island, across the Seine; Jeufosse measured every day of June to September 1897 but kept no September 1896.
    • Pacy-sur-Eure and ÉvreuxDaily highest and lowest temperature 12 km away, and rain at both, for ranking the two summers against 37 to 40 years of record.
    • Paris-MontsourisDaily rain and temperature from 1873 to 2024, the long series that ranks each month against 152 years.
    • L’Impartial, Les AndelysThe twice-weekly paper of the district that includes Giverny, read for August 1897 and September 1896.

    Not found or not yet searched

    • The Columbia Museum of Art publishes no description of the painting’s sky or light, and no accession number or dimensions.
    • No station near Giverny recorded fog, cloud or wind in 1896 or 1897.
    • The image is the museum’s small web copy, 706 pixels wide, as shared on Wikimedia Commons.
  3. Each claim tested

    • “not completed until 1897 because of inclement weather”, the Met on the Mornings series. September 1896 was the wettest September in 152 years at Paris (148.9 mm, against a modern 44.7) and in 37 at Évreux, and August 1896 had the third-coldest nights of 150 at Paris. The gauges nearest Giverny kept no September 1896.
    • “Un violent orage suivi de grêle et de pluie … samedi”, L’Impartial on Port-Mort, Saturday 7 August 1897. Jeufosse, 4.2 km from the island, read 49.0 mm on the morning of 8 August, its second-wettest day in 1,145; Bonnières read 36.0 mm.
    • “prairies toutes embuées de brumes”, Guillemot on an August dawn with Monet. Mist was not measured. The ground was wet: August 1897 was the wettest of 11 at Bonnières and the second-wettest of 38 at Évreux.
    • The day and the weather of the canvas itself. It is dated only to the year, and the museum publishes no reading of its sky.
  4. Verdict

    Both summers Monet spent painting on the river at dawn were wet near Giverny. The first ended in the wettest September in 152 years of Paris records; the second brought the wettest August in 11 years at the gauge across the river. The mist Guillemot walked through was never measured.

    • Partially agrees“Inclement weather” in 1896 A cold August and a record wet September; the records cannot show which mornings Monet lost.
    • Partially agreesThe Port-Mort storm of 7 August 1897 The rain is in the gauge the next morning; hail and lightning were not recorded.
    • UnknownMist at dawn No record of fog exists near Giverny.
    • UnknownThe day painted The canvas is dated only to 1897.

What this cannot tell you. Guillemot gives no year for his August morning; published in March 1898 and writing “depuis l'été dernier”, it is most likely August 1897. Paris-Montsouris is 66 km away and Évreux 27 km; the nearest gauges are too short to rank. The Met ties the inclement weather to the Mornings, the series this canvas grew out of, not to the Île aux Orties pictures themselves.

Step 2 · Records of those days

A rain gauge across the river

In 1897 there was a rain gauge at Jeufosse, 4.2 km from the Île aux Orties across the Seine, and another at Bonnières, 5.7 km. The nearest thermometer was at Pacy-sur-Eure, 12 km south-west. Every day from June to September 1897 was measured. Rain is dated by the morning the gauge was read, so an afternoon storm appears on the next day. The summer’s wettest day came in August, the month in which Maurice Guillemot describes Monet at work on the river before dawn.

Rain at Jeufosse and temperature at Pacy-sur-Eure, June to September 1897Bars: daily rain at Jeufosse, 4.2 km from the Île aux Orties. Lines: daily highest and lowest temperature at Pacy-sur-Eure. The wettest day, 49.0 mm, was read on 8 August.10°20°30°2040°C, PacymmJune 18971 June 1897: 9.5 mm at Jeufosse2 June 1897: no rain at Jeufosse3 June 1897: no rain at Jeufosse4 June 1897: no rain at Jeufosse5 June 1897: no rain at Jeufosse6 June 1897: no rain at Jeufosse7 June 1897: no rain at Jeufosse8 June 1897: 9.1 mm at Jeufosse9 June 1897: 2.8 mm at Jeufosse10 June 1897: no rain at Jeufosse11 June 1897: no rain at Jeufosse12 June 1897: no rain at Jeufosse13 June 1897: no rain at Jeufosse14 June 1897: no rain at Jeufosse15 June 1897: no rain at Jeufosse16 June 1897: no rain at Jeufosse17 June 1897: 4.1 mm at Jeufosse18 June 1897: 1.3 mm at Jeufosse19 June 1897: 7.5 mm at Jeufosse20 June 1897: 0.9 mm at Jeufosse21 June 1897: no rain at Jeufosse22 June 1897: no rain at Jeufosse23 June 1897: no rain at Jeufosse24 June 1897: no rain at Jeufosse25 June 1897: 1.1 mm at Jeufosse26 June 1897: 1.4 mm at Jeufosse27 June 1897: 1.6 mm at Jeufosse28 June 1897: 8.5 mm at Jeufosse29 June 1897: 1.8 mm at Jeufosse30 June 1897: 3.5 mm at JeufosseJuly 18971 July 1897: 47.0 mm at Jeufosse2 July 1897: no rain at Jeufosse3 July 1897: no rain at Jeufosse4 July 1897: no rain at Jeufosse5 July 1897: no rain at Jeufosse6 July 1897: no rain at Jeufosse7 July 1897: no rain at Jeufosse8 July 1897: no rain at Jeufosse9 July 1897: no rain at Jeufosse10 July 1897: no rain at Jeufosse11 July 1897: no rain at Jeufosse12 July 1897: no rain at Jeufosse13 July 1897: no rain at Jeufosse14 July 1897: no rain at Jeufosse15 July 1897: no rain at Jeufosse16 July 1897: no rain at Jeufosse17 July 1897: no rain at Jeufosse18 July 1897: no rain at Jeufosse19 July 1897: no rain at Jeufosse20 July 1897: 2.2 mm at Jeufosse21 July 1897: 8.6 mm at Jeufosse22 July 1897: no rain at Jeufosse23 July 1897: no rain at Jeufosse24 July 1897: no rain at Jeufosse25 July 1897: no rain at Jeufosse26 July 1897: 7.0 mm at Jeufosse27 July 1897: 2.5 mm at Jeufosse28 July 1897: no rain at Jeufosse29 July 1897: no rain at Jeufosse30 July 1897: no rain at Jeufosse31 July 1897: no rain at JeufosseAugust 18971 August 1897: no rain at Jeufosse2 August 1897: no rain at Jeufosse3 August 1897: no rain at Jeufosse4 August 1897: 1.0 mm at Jeufosse5 August 1897: no rain at Jeufosse6 August 1897: no rain at Jeufosse7 August 1897: 6.3 mm at Jeufosse8 August 1897: 49.0 mm at Jeufosse9 August 1897: no rain at Jeufosse10 August 1897: no rain at Jeufosse11 August 1897: no rain at Jeufosse12 August 1897: no rain at Jeufosse13 August 1897: no rain at Jeufosse14 August 1897: no rain at Jeufosse15 August 1897: 4.4 mm at Jeufosse16 August 1897: no rain at Jeufosse17 August 1897: no rain at Jeufosse18 August 1897: no rain at Jeufosse19 August 1897: no rain at Jeufosse20 August 1897: 8.6 mm at Jeufosse21 August 1897: 3.0 mm at Jeufosse22 August 1897: no rain at Jeufosse23 August 1897: no rain at Jeufosse24 August 1897: 7.5 mm at Jeufosse25 August 1897: 18.0 mm at Jeufosse26 August 1897: 5.9 mm at Jeufosse27 August 1897: no rain at Jeufosse28 August 1897: no rain at Jeufosse29 August 1897: no rain at Jeufosse30 August 1897: no rain at Jeufosse31 August 1897: 2.1 mm at JeufosseSeptember 18971 September 1897: no rain at Jeufosse2 September 1897: no rain at Jeufosse3 September 1897: 0.6 mm at Jeufosse4 September 1897: no rain at Jeufosse5 September 1897: 7.2 mm at Jeufosse6 September 1897: 16.4 mm at Jeufosse7 September 1897: 0.3 mm at Jeufosse8 September 1897: 3.7 mm at Jeufosse9 September 1897: 14.7 mm at Jeufosse10 September 1897: no rain at Jeufosse11 September 1897: no rain at Jeufosse12 September 1897: no rain at Jeufosse13 September 1897: no rain at Jeufosse14 September 1897: no rain at Jeufosse15 September 1897: 0.3 mm at Jeufosse16 September 1897: no rain at Jeufosse17 September 1897: no rain at Jeufosse18 September 1897: 6.0 mm at Jeufosse19 September 1897: 5.8 mm at Jeufosse20 September 1897: no rain at Jeufosse21 September 1897: 0.5 mm at Jeufosse22 September 1897: 2.0 mm at Jeufosse23 September 1897: no rain at Jeufosse24 September 1897: no rain at Jeufosse25 September 1897: no rain at Jeufosse26 September 1897: no rain at Jeufosse27 September 1897: no rain at Jeufosse28 September 1897: no rain at Jeufosse29 September 1897: no rain at Jeufosse30 September 1897: 12.1 mm at Jeufosse8 August: 49.0 mm, the morning after the Port-Mort storm
Bars: daily rain at Jeufosse. Red line: daily highest temperature at Pacy-sur-Eure; blue line: daily lowest. A thin mark under the line is a day with no rain. Météo-France, Licence Ouverte.
105.8
mm at Jeufosse in August 1897, on 10 days with rain
49.0
mm read on 8 August, the gauge’s second-wettest day in 1,145
12.6°
the average August night at Pacy, against afternoons of 25.9°
1st
wettest August of 11 at Bonnières, 5.7 km from the island
Every day, rain by the river and temperature at Pacy
1897Jeufosse rain, mmBonnières rain, mmPacy highest, °CPacy lowest, °C
1 June9.53.02713
2 June0.09.42412
3 June0.00.02213
4 June0.00.02714
5 June0.00.02314
6 June0.00.02713
7 June0.00.02615
8 June9.10.02715
9 June2.86.72415
10 June0.02.42312
11 June0.00.0209
12 June0.00.02811
13 June0.00.03013
14 June0.00.03214
15 June0.00.02510
16 June0.00.02811
17 June4.11.3278
18 June1.33.82110
19 June7.50.0228
20 June0.95.92210
21 June0.00.02111
22 June0.00.02812
23 June0.00.03015
24 June0.00.03415
25 June1.10.03416
26 June1.40.03517
27 June1.60.03416
28 June8.55.32717
29 June1.80.03017
30 June3.50.02313
1 July47.036.02914
2 July0.00.02315
3 July0.00.02214
4 July0.00.02513
5 July0.00.02411
6 July0.00.0258
7 July0.00.02513
8 July0.00.0269
9 July0.00.02913
10 July0.00.03014
11 July0.00.02813
12 July0.00.02812
13 July0.00.03012
14 July0.00.03011
15 July0.00.02812
16 July0.00.03111
17 July0.00.02813
18 July0.00.02714
19 July0.00.03016
20 July2.20.02614
21 July8.69.02515
22 July0.00.02614
23 July0.00.02313
24 July0.00.02614
25 July0.00.03117
26 July7.00.02712
27 July2.55.72613
28 July0.00.02511
29 July0.00.02413
30 July0.00.02415
31 July0.00.02713
1 August0.00.02411
2 August0.00.02612
3 August0.00.02914
4 August1.00.03117
5 August0.04.03216
6 August0.00.03515
7 August6.30.02714
8 August49.036.02716
9 August0.00.02114
10 August0.00.02414
11 August0.00.02716
12 August0.00.02714
13 August0.00.02412
14 August0.00.02513
15 August4.45.52614
16 August0.00.02514
17 August0.00.02412
18 August0.00.02512
19 August0.00.02711
20 August8.64.92610
21 August3.01.82611
22 August0.00.02211
23 August0.00.02510
24 August7.52.22311
25 August18.012.52313
26 August5.90.02410
27 August0.03.72513
28 August0.00.02611
29 August0.00.02510
30 August0.00.32611
31 August2.10.02710
1 September0.00.02510
2 September0.00.02512
3 September0.60.0248
4 September0.00.0255
5 September7.20.0206
6 September16.422.7218
7 September0.30.0189
8 September3.70.0248
9 September14.713.61812
10 September0.00.0186
11 September0.00.0197
12 September0.00.0216
13 September0.00.0206
14 September0.00.0227
15 September0.30.0238
16 September0.00.0269
17 September0.00.0228
18 September6.05.82011
19 September5.83.0153
20 September0.00.0191
21 September0.50.0158
22 September2.00.0179
23 September0.00.02111
24 September0.00.02413
25 September0.00.02411
26 September0.00.0258
27 September0.00.0285
28 September0.00.0296
29 September0.00.0277
30 September12.16.8239

Step 3 · The claims tested

Two wet summers

The Met says Monet’s dawn pictures of the Seine took two summers because of the weather. The first summer ended badly. At Paris, August 1896 had the third-coldest nights in 150 years, and September 1896 was the wettest September in 152: 148.9 mm, against 44.7 mm in a modern September. Closer to Giverny it was the wettest September in 37 years at Évreux and the second-wettest in 37 at Pacy-sur-Eure. The gauges beside the river kept no September that year. The second summer was wet in its turn: the storm the Andelys paper reported from Port-Mort on Saturday 7 August is in the Jeufosse gauge the next morning, and at Bonnières no August in 11 years had more rain.

September rain at Paris-Montsouris, 1873–2024Each dot is one September. 1896 had 148.9 mm, the wettest of 152; the 1991–2020 average is 44.7 mm.408012016018801900192019401960198020002020September 1873: 53.6 mmSeptember 1874: 65.1 mmSeptember 1875: 32.8 mmSeptember 1876: 65.3 mmSeptember 1877: 50.1 mmSeptember 1878: 21.2 mmSeptember 1879: 34.2 mmSeptember 1880: 43.8 mmSeptember 1881: 86.2 mmSeptember 1882: 64.8 mmSeptember 1883: 85.3 mmSeptember 1884: 32.0 mmSeptember 1885: 50.3 mmSeptember 1886: 27.9 mmSeptember 1887: 33.4 mmSeptember 1888: 23.0 mmSeptember 1889: 24.1 mmSeptember 1890: 49.3 mmSeptember 1891: 34.8 mmSeptember 1892: 37.0 mmSeptember 1893: 40.5 mmSeptember 1894: 90.6 mmSeptember 1895: 0.0 mmSeptember 1897: 48.2 mmSeptember 1898: 23.9 mmSeptember 1899: 75.3 mmSeptember 1900: 26.1 mmSeptember 1901: 62.2 mmSeptember 1902: 47.6 mmSeptember 1903: 53.4 mmSeptember 1904: 88.3 mmSeptember 1905: 77.9 mmSeptember 1906: 28.6 mmSeptember 1907: 18.9 mmSeptember 1908: 58.5 mmSeptember 1909: 51.7 mmSeptember 1910: 20.4 mmSeptember 1911: 28.8 mmSeptember 1912: 13.2 mmSeptember 1913: 34.3 mmSeptember 1914: 78.4 mmSeptember 1915: 60.7 mmSeptember 1916: 90.7 mmSeptember 1917: 19.6 mmSeptember 1918: 86.1 mmSeptember 1919: 30.0 mmSeptember 1920: 19.9 mmSeptember 1921: 16.3 mmSeptember 1922: 69.4 mmSeptember 1923: 67.2 mmSeptember 1924: 57.1 mmSeptember 1925: 18.1 mmSeptember 1926: 3.1 mmSeptember 1927: 50.6 mmSeptember 1928: 22.6 mmSeptember 1929: 10.7 mmSeptember 1930: 51.9 mmSeptember 1931: 19.1 mmSeptember 1932: 75.0 mmSeptember 1933: 48.1 mmSeptember 1934: 53.7 mmSeptember 1935: 43.8 mmSeptember 1936: 60.3 mmSeptember 1937: 70.2 mmSeptember 1938: 65.8 mmSeptember 1939: 49.2 mmSeptember 1940: 70.9 mmSeptember 1941: 16.3 mmSeptember 1942: 129.9 mmSeptember 1943: 53.5 mmSeptember 1944: 39.0 mmSeptember 1945: 44.2 mmSeptember 1946: 21.3 mmSeptember 1947: 13.2 mmSeptember 1948: 41.6 mmSeptember 1949: 80.1 mmSeptember 1950: 85.1 mmSeptember 1951: 48.1 mmSeptember 1952: 113.2 mmSeptember 1953: 39.5 mmSeptember 1954: 91.9 mmSeptember 1955: 45.5 mmSeptember 1956: 35.6 mmSeptember 1957: 86.1 mmSeptember 1958: 39.0 mmSeptember 1959: 5.2 mmSeptember 1960: 66.3 mmSeptember 1961: 59.6 mmSeptember 1962: 40.8 mmSeptember 1963: 27.9 mmSeptember 1964: 41.7 mmSeptember 1965: 118.8 mmSeptember 1966: 31.1 mmSeptember 1967: 66.7 mmSeptember 1968: 72.6 mmSeptember 1969: 37.9 mmSeptember 1970: 21.4 mmSeptember 1971: 4.8 mmSeptember 1972: 41.6 mmSeptember 1973: 81.0 mmSeptember 1974: 107.6 mmSeptember 1975: 143.9 mmSeptember 1976: 46.2 mmSeptember 1977: 8.8 mmSeptember 1978: 44.7 mmSeptember 1979: 23.6 mmSeptember 1980: 41.4 mmSeptember 1981: 40.7 mmSeptember 1982: 48.1 mmSeptember 1983: 69.7 mmSeptember 1984: 115.4 mmSeptember 1985: 30.8 mmSeptember 1986: 52.5 mmSeptember 1987: 12.3 mmSeptember 1988: 46.1 mmSeptember 1989: 71.3 mmSeptember 1990: 36.2 mmSeptember 1991: 46.2 mmSeptember 1992: 44.8 mmSeptember 1993: 76.1 mmSeptember 1994: 76.4 mmSeptember 1995: 63.0 mmSeptember 1996: 41.5 mmSeptember 1997: 3.2 mmSeptember 1998: 92.4 mmSeptember 1999: 83.6 mmSeptember 2000: 46.6 mmSeptember 2001: 69.6 mmSeptember 2002: 15.2 mmSeptember 2003: 15.2 mmSeptember 2004: 37.4 mmSeptember 2005: 30.6 mmSeptember 2006: 42.4 mmSeptember 2007: 18.4 mmSeptember 2008: 16.6 mmSeptember 2009: 24.2 mmSeptember 2010: 59.1 mmSeptember 2011: 32.3 mmSeptember 2012: 47.5 mmSeptember 2013: 49.5 mmSeptember 2014: 8.2 mmSeptember 2015: 72.2 mmSeptember 2016: 37.0 mmSeptember 2017: 102.9 mmSeptember 2018: 10.7 mmSeptember 2019: 25.6 mmSeptember 2020: 52.8 mmSeptember 2021: 57.3 mmSeptember 2022: 49.3 mmSeptember 2023: 39.9 mmSeptember 2024: 115.0 mmSeptember 1896: 148.9 mmSeptember 1896: 148.9 mm, the wettest of 152
September rain at Paris-Montsouris in every year with every day measured. The dashed line is the 1991–2020 average, 44.7 mm. Météo-France, Licence Ouverte.
1st
wettest September of 152 at Paris-Montsouris: 1896, 148.9 mm on 17 days
1st
wettest September of 37 at Évreux, 27 km from Giverny
2nd
wettest September of 37 at Pacy-sur-Eure, 12 km
3rd
coldest August nights of 150 at Paris: 1896, 11.7° against a modern 16.0°

“Begun in 1896, Monet’s Mornings on the Seine series was not completed until 1897 because of inclement weather.”

The Metropolitan Museum of Art, Morning on the Seine near Giverny, 56.135.4

“In the summers of 1896 and 1897 Monet set up his easel at three-thirty each morning in a boat moored just off the riverbank near his house at Giverny.”

Museum of Fine Arts, Boston, Morning on the Seine, near Giverny, 39.655

“Pendant la triste période que nous traversons, jamais le vent n’avait soufflé avec une force comparable à celle qu’il avait hier.”

In all this dismal spell we are going through, the wind had never blown with a force like yesterday’s.

L’Impartial, 27 September 1896, reprinting a report from Rouen dated 25 September

“Un violent orage suivi de grêle et de pluie s’est déchaîné sur cette commune et les environs, samedi.”

A violent storm followed by hail and rain broke over this commune and the country round it on Saturday.

L’Impartial (Les Andelys), 12 August 1897, under Port-Mort, 8 km from Giverny

“le temps déplorable que nous avons subi dimanche dernier”

the dreadful weather we suffered last Sunday

L’Impartial, 19 August 1897, on the fête at Le Petit-Andely, Sunday 15 August

Step 4 · Why the verdict stops at the season

The mist was never measured

Guillemot describes Monet leaving the house at half past three on an August morning, crossing meadows in mist to the boat, and fourteen canvases under way at once. No station near Giverny recorded fog, cloud or wind, and the Columbia Museum of Art publishes no description of this canvas’s sky. What Nephos sees in it: a pale pink and lilac sky, the island’s trees in blue and violet, water still enough to hold their reflection, and the far bank at the left dissolving into white. The Met writes of a misty, luminous atmosphere in its own version of the same view; that is a sister canvas, not this one. The picture is dated only to 1897, so no single morning can be set against it.

“pointe d'aube, en août, trois heures et demie.”

Daybreak, in August, half past three.

Maurice Guillemot, “Claude Monet”, La Revue illustrée, 15 March 1898

“s'engage dans les prairies toutes embuées de brumes, arrive à la rivière.”

He sets off across meadows all clouded with mist, and reaches the river.

Maurice Guillemot, “Claude Monet”, La Revue illustrée, 15 March 1898

“C'est à l'endroit où l'Epte se jette dans la Seine, parmi de petites îles ombrées de grands arbres”

It is where the Epte runs into the Seine, among little islands shaded by tall trees.

Maurice Guillemot, “Claude Monet”, La Revue illustrée, 15 March 1898

“Il y a quatorze tableaux commencés en même temps, quasi une gamme d'études, traduisant un même et unique motif dont l'heure, le soleil, les nuages modifient l'effet.”

Fourteen pictures are under way at once, almost a scale of studies, rendering one and the same motif whose effect is changed by the hour, the sun and the clouds.

Maurice Guillemot, “Claude Monet”, La Revue illustrée, 15 March 1898

“The setting and the misty, luminous atmosphere are similar to that of Morning on the Seine near Giverny”

The Met, on its own version, 60.154

Sources

Every source on this page

Each file was downloaded and given a fingerprint (its sha256). The page is rebuilt from these files and will not build if a fingerprint changes, so every number above comes from them rather than being typed in.

  1. Columbia Museum of Art, Claude Monet, The Seine at Giverny (L’Île aux Orties, Giverny), 1897Museum text · retrieved 29 September 2026sha256 317cb165134d5ec6ad5cf3aeba437c6dfd0b9315e550eda7cc6e62ed8514c90f
  2. Wikimedia Commons, image of the painting from the Columbia Museum of Art (706 × 552 px)CC BY-SA 4.0, as tagged on Commons · retrieved 30 September 2026sha256 e602feffb820f12d7d314d23882b36f6964d369d3fe469cdb098c93782a28bd7
  3. Météo-France daily climatological data, Yvelines, before 1949 (Jeufosse, Bonnières)Licence Ouverte / Etalab 2.0 · retrieved 29 September 2026sha256 f7e5f1cc68f3d749f3a2d28c2705990294cbf6d158de1d80f77fb9648b127bf9
  4. Météo-France daily climatological data, Eure, before 1949 (Pacy-sur-Eure, Évreux)Licence Ouverte / Etalab 2.0 · retrieved 29 September 2026sha256 833c7aee0876e60ff7455f68886f3aed41f4f683cd67f5b2e20f097f5fc0bb61
  5. Météo-France daily climatological data, Paris, before 1949Licence Ouverte / Etalab 2.0 · retrieved 20 September 2026sha256 04ccefd0095bb629f1e44434308eef0770693764fc533b96f5cc3ad4553d73f8
  6. Météo-France daily climatological data, Paris, 1950–2024Licence Ouverte / Etalab 2.0 · retrieved 20 September 2026sha256 128d559d01d1f4633e3d1cbb12da8f33e48f6e6e2cb803c3b6421ed86f5ce136
  7. Maurice Guillemot, “Claude Monet”, La Revue illustrée, 15 March 1898 (Gallica OCR)Public domain; Gallica, BnF · retrieved 30 September 2026 · views 225–226sha256 2db1995d29862fcceae54d3e3250671849469cbaa75f6bcca7cb1bd9546890d3
  8. L’Impartial, journal de l’arrondissement des Andelys, 12 August 1897, p. 2 (Gallica OCR)Public domain; Gallica, BnF · retrieved 30 September 2026sha256 40b5f9239f7f18740a3eb1635e8472024dced53d848c116feac6b1f18b31821c
  9. L’Impartial, 15 August 1897, p. 2 (Gallica OCR)Public domain; Gallica, BnF · retrieved 30 September 2026sha256 72c42ea818cd20bf014d9a43a1a01d53d53c8b2c1b58872b81ca0d1b1704e5c3
  10. L’Impartial, 19 August 1897, p. 2 (Gallica OCR)Public domain; Gallica, BnF · retrieved 30 September 2026sha256 e8edd0b7052b8041486d8ea62ecd1684f75c2ca2f207e948d941e91e49735551
  11. L’Impartial, 27 September 1896, p. 3 (Gallica OCR)Public domain; Gallica, BnF · retrieved 30 September 2026sha256 3e42e01f53501314592c2bbbc5ad44ab6062af7d5cfe847755e02e6a808b4f13
  12. The Metropolitan Museum of Art, Morning on the Seine near Giverny, 56.135.4 (Internet Archive copy)Museum text; quoted briefly · retrieved 30 September 2026sha256 6a85cdce6147b35eb576b4bda01c5d16ef2451a5d7876d90c1a000f3eb7c1b84
  13. The Metropolitan Museum of Art, The Seine at Giverny (L’Île aux Orties), 60.154 (Internet Archive copy)Museum text; quoted briefly · retrieved 30 September 2026sha256 89b1c5b8fc51fc086362b04d60b8e335684c67e0997e7f667ebaa8fc02f2c33f
  14. Museum of Fine Arts, Boston, Morning on the Seine, near Giverny, 39.655Museum text; quoted briefly · retrieved 30 September 2026sha256 ae35bbf23e9ecda73e240ba8f25230aa205f787252399d5b63f3b8e30693523d
  15. OpenStreetMap Nominatim: L’Île aux Orties, GivernyODbL 1.0, © OpenStreetMap contributors · retrieved 30 September 2026sha256 e3fffe5233490e93d927967a72682061a64c138cd434a3ebf0f0326bbdad4d94"lat":"49.0698139","lon":"1.5220946"

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