Weather Records on 11 April 1940

932 weather records were set or tied worldwide on 11 April 1940. Highest significance: Stratford, CA.

Key Facts for 11 April 1940

On 11 April 1940, 932 weather records were set or tied at long-record stations worldwide.
55 were record highs and 581 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 18 monthly and 914 daily.
Stratford set a daily record snowfall of 10.2 cm (4.0 in) on 11 April 1940.
Across 164 earlier years (1800 to 2026) the same calendar date averaged 478 records.

Record Map

932 stations

932 station records on 11 April 1940 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 11 April 1940: highest significance records shown on the map
Station	Country	Type	Value	Significance
Stratford	Canada	Record daily snowfall	10.2 cm (4.0 in)	50 of 100 (Notable)
Khed	India	Record daily precipitation	29.2 mm (1.1 in)	49 of 100 (Notable)
Milparinka (Yandama Downs)	Australia	Record daily precipitation	37.1 mm (1.5 in)	45 of 100 (Notable)
Collegeville St Joe AP	United States	Record daily snowfall	14.0 cm (5.5 in)	45 of 100 (Notable)
Gongolgon Post Office	Australia	Record daily precipitation	33.8 mm (1.3 in)	44 of 100 (Notable)
Jackson	United States	Record daily precipitation	50.8 mm (2.0 in)	44 of 100 (Notable)
Kohala 179.1	United States	Record daily precipitation	84.6 mm (3.3 in)	44 of 100 (Notable)
Pelee Island	Canada	Record daily snowfall	10.2 cm (4.0 in)	40 of 100 (Notable)
Toronto	Canada	Record daily snowfall	10.2 cm (4.0 in)	39 of 100 (Notable)
Champaign 3S	United States	Record daily snowfall	12.7 cm (5.0 in)	39 of 100 (Notable)
Hopetoun	Australia	Record daily precipitation	34.8 mm (1.4 in)	38 of 100 (Notable)
Murrawombi	Australia	Record daily precipitation	39.9 mm (1.6 in)	38 of 100 (Notable)
Plymouth Pwr Substn	United States	Record daily snowfall	10.7 cm (4.2 in)	38 of 100 (Notable)
Marble Hill	United States	Record daily precipitation	54.1 mm (2.1 in)	38 of 100 (Notable)
Byrock Post Office	Australia	Record daily precipitation	42.2 mm (1.7 in)	37 of 100 (Notable)
Chinook	United States	Record low minimum temperature	-22.2 C (-8.0 F)	37 of 100 (Notable)
Greenville Wtp	United States	Record daily snowfall	10.2 cm (4.0 in)	37 of 100 (Notable)
Havre Wb City	United States	Record low minimum temperature	-20.0 C (-4.0 F)	37 of 100 (Notable)
Simcoe	Canada	Record daily snowfall	20.3 cm (8.0 in)	36 of 100 (Notable)
Fayetteville Exp STN	United States	Record daily precipitation	52.3 mm (2.1 in)	36 of 100 (Notable)
Birch Tree	United States	Record daily precipitation	53.3 mm (2.1 in)	36 of 100 (Notable)
Laura Post Office	Australia	Record daily precipitation	26.7 mm (1.1 in)	35 of 100 (Notable)
Wetaskiwin	Canada	Record low minimum temperature	-22.2 C (-8.0 F)	35 of 100 (Notable)
Guelph Oac	Canada	Record daily snowfall	10.2 cm (4.0 in)	35 of 100 (Notable)
Eureka Springs 3 WNW	United States	Record daily precipitation	54.6 mm (2.1 in)	35 of 100 (Notable)
Paris Stp	United States	Record snow depth	10.2 cm (4.0 in)	35 of 100 (Notable)
Kokomo 3 WSW	United States	Record daily snowfall	10.2 cm (4.0 in)	35 of 100 (Notable)
Scottsburg	United States	Record daily precipitation	46.5 mm (1.8 in)	35 of 100 (Notable)
Sussex	Australia	Record daily precipitation	33.0 mm (1.3 in)	34 of 100 (Routine)
Nyngan (Merryanbone)	Australia	Record daily precipitation	35.6 mm (1.4 in)	34 of 100 (Routine)
Coonamble (Wingadee)	Australia	Record daily precipitation	34.8 mm (1.4 in)	34 of 100 (Routine)
Gundy (Miller St)	Australia	Record daily precipitation	29.7 mm (1.2 in)	34 of 100 (Routine)
Champaign 3S	United States	Record snow depth	10.2 cm (4.0 in)	34 of 100 (Routine)
Helena Wb City	United States	Record low minimum temperature	-15.0 C (5.0 F)	33 of 100 (Routine)
Sonnblick	Austria	Record daily precipitation	31.7 mm (1.2 in)	32 of 100 (Routine)
Salamonia	United States	Record daily snowfall	10.2 cm (4.0 in)	32 of 100 (Routine)
Salem	United States	Record daily precipitation	30.0 mm (1.2 in)	32 of 100 (Routine)
Fort Macleod	Canada	Record low minimum temperature	-16.7 C (1.9 F)	31 of 100 (Routine)
Bancroft	Canada	Record daily snowfall	5.1 cm (2.0 in)	31 of 100 (Routine)
Hoopeston	United States	Record daily snowfall	8.9 cm (3.5 in)	31 of 100 (Routine)
Kalispell Glacier AP	United States	Record low minimum temperature	-11.1 C (12.0 F)	31 of 100 (Routine)
Doniphan	United States	Record daily precipitation	48.0 mm (1.9 in)	30 of 100 (Routine)
Hennessey 4 ESE	United States	Record daily precipitation	43.2 mm (1.7 in)	30 of 100 (Routine)
Medicine Hat A	Canada	Record low minimum temperature	-22.2 C (-8.0 F)	29 of 100 (Routine)
Banff	Canada	Record low minimum temperature	-20.0 C (-4.0 F)	29 of 100 (Routine)
Woodstock	Canada	Record daily snowfall	7.1 cm (2.8 in)	29 of 100 (Routine)
Koshkonong	United States	Record daily precipitation	66.0 mm (2.6 in)	29 of 100 (Routine)
Dayton Mcd	United States	Record daily precipitation	30.0 mm (1.2 in)	29 of 100 (Routine)
Kimball 2NE	United States	Record snow depth	10.2 cm (4.0 in)	28 of 100 (Routine)
Coshocton Wpc Plt	United States	Record daily precipitation	37.1 mm (1.5 in)	28 of 100 (Routine)
Kingfisher	United States	Record daily precipitation	64.5 mm (2.5 in)	28 of 100 (Routine)
Cairo 3N	United States	Record daily precipitation	46.0 mm (1.8 in)	28 of 100 (Routine)
Lucan	Canada	Record daily snowfall	10.2 cm (4.0 in)	27 of 100 (Routine)
Ekaterinburg	Russia	Record high minimum temperature	8.0 C (46.4 F)	27 of 100 (Routine)
Kokomo 3 WSW	United States	Record snow depth	10.2 cm (4.0 in)	27 of 100 (Routine)
Gleichen	Canada	Record low minimum temperature	-18.3 C (-0.9 F)	26 of 100 (Routine)
Fayetteville	United States	Record daily precipitation	37.6 mm (1.5 in)	26 of 100 (Routine)
Mammoth Spring	United States	Record daily precipitation	59.7 mm (2.4 in)	26 of 100 (Routine)
Mtn Grove 2 N	United States	Record daily precipitation	37.8 mm (1.5 in)	26 of 100 (Routine)
Browning	United States	Record low minimum temperature	-25.0 C (-13.0 F)	26 of 100 (Routine)

Counts by Type and Timescale

932 records

Records set or tied on 11 April 1940 by type: Highest daily maximum 30, Lowest daily maximum 210, Highest daily minimum 25, Lowest daily minimum 371, Heaviest daily rainfall 200, Heaviest daily snowfall 71, Deepest snow cover 25.

Records on 11 April 1940 by type
Record type	Records
Highest daily maximum	30
Lowest daily maximum	210
Highest daily minimum	25
Lowest daily minimum	371
Heaviest daily rainfall	200
Heaviest daily snowfall	71
Deepest snow cover	25

Records on 11 April 1940 by timescale: all-time 0, monthly 18, daily 914.

How Much Records Were Beaten By

794 broken records

Margins by which the 794 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 140.0. Ties are not counted.

Top 20 by Significance

11 April 1940

Top 20 records on 11 April 1940 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
11 April 1940	Stratford, CA	daily snowfall	10.2 cm (4.0 in)	7.7 cm (3.0 in)	71 years	50 of 100 (Notable)
11 April 1940	Khed, IN	daily rain	29.2 mm (1.1 in)	29.2 mm (1.1 in)	39 years	49 of 100 (Notable)
11 April 1940	Milparinka (Yandama Downs), AU	daily rain	37.1 mm (1.5 in)	32.5 mm (1.3 in)	45 years	45 of 100 (Notable)
11 April 1940	Collegeville St Joe AP, US	daily snowfall	14.0 cm (5.5 in)	14.0 cm (5.5 in)	44 years	45 of 100 (Notable)
11 April 1940	Gongolgon Post Office, AU	daily rain	33.8 mm (1.3 in)	32.8 mm (1.3 in)	45 years	44 of 100 (Notable)
11 April 1940	Jackson, US	daily rain	50.8 mm (2.0 in)	34.3 mm (1.4 in)	46 years	44 of 100 (Notable)
11 April 1940	Kohala 179.1, US	daily rain	84.6 mm (3.3 in)	60.0 mm (2.4 in)	5 years	44 of 100 (Notable)
11 April 1940	Pelee Island, CA	daily snowfall	10.2 cm (4.0 in)	10.2 cm (4.0 in)	50 years	40 of 100 (Notable)
11 April 1940	Toronto, CA	daily snowfall	10.2 cm (4.0 in)	4.6 cm (1.8 in)	54 years	39 of 100 (Notable)
11 April 1940	Champaign 3S, US	daily snowfall	12.7 cm (5.0 in)	12.7 cm (5.0 in)	37 years	39 of 100 (Notable)
11 April 1940	Hopetoun, AU	daily rain	34.8 mm (1.4 in)	23.1 mm (0.9 in)	27 years	38 of 100 (Notable)
11 April 1940	Murrawombi, AU	daily rain	39.9 mm (1.6 in)	30.2 mm (1.2 in)	32 years	38 of 100 (Notable)
11 April 1940	Plymouth Pwr Substn, US	daily snowfall	10.7 cm (4.2 in)	10.7 cm (4.2 in)	44 years	38 of 100 (Notable)
11 April 1940	Marble Hill, US	daily rain	54.1 mm (2.1 in)	33.8 mm (1.3 in)	30 years	38 of 100 (Notable)
11 April 1940	Byrock Post Office, AU	daily rain	42.2 mm (1.7 in)	29.5 mm (1.2 in)	35 years	37 of 100 (Notable)
11 April 1940	Chinook, US	daily low min	-22.2 C (-8.0 F)	11.1 C (20.0 F)	39 years	37 of 100 (Notable)
11 April 1940	Greenville Wtp, US	daily snowfall	10.2 cm (4.0 in)	10.2 cm (4.0 in)	44 years	37 of 100 (Notable)
11 April 1940	Havre Wb City, US	daily low min	-20.0 C (-4.0 F)	11.1 C (20.0 F)	31 years	37 of 100 (Notable)
11 April 1940	Simcoe, CA	daily snowfall	20.3 cm (8.0 in)	10.1 cm (4.0 in)	54 years	36 of 100 (Notable)
11 April 1940	Fayetteville Exp STN, US	daily rain	52.3 mm (2.1 in)	32.2 mm (1.3 in)	30 years	36 of 100 (Notable)

Significance is a score from 0 to 100 combining margin, the age of the old record and the length of the station's record. How it is computed.

The Same Date in Other Years

1800 to 1940

Records set or tied on this calendar date in each year from 1800 to 1940. 1940 had 932 records.

Counts for years before the ledger starts come from the same station rules.

Records on 04-11 in each year
Year	Records
1800	1
1803	1
1808	1
1809	1
1812	3
1818	1
1831	1
1832	1
1834	1
1837	1
1845	1
1854	1
1857	1
1863	2
1865	2
1866	1
1868	1
1869	3
1871	1
1874	1
1876	2
1879	2
1880	2
1881	1
1882	2
1885	1
1886	1
1887	2
1888	4
1889	2
1890	2
1891	2
1892	3
1894	7
1895	5
1896	3
1898	7
1899	11
1900	6
1901	4
1902	6
1903	13
1904	12
1905	20
1906	19
1907	7
1908	12
1909	30
1910	19
1911	19
1912	47
1913	48
1914	38
1915	127
1916	64
1917	62
1918	43
1919	42
1920	73
1921	32
1922	140
1923	89
1924	169
1925	197
1926	198
1927	156
1928	220
1929	214
1930	761
1931	185
1932	497
1933	481
1934	246
1935	261
1936	175
1937	245
1938	289
1939	611
1940	932
1941	579
1942	301
1943	546
1944	626
1945	890
1946	383
1947	478
1948	921
1949	402
1950	322
1951	623
1952	502
1953	594
1954	392
1955	610
1956	420
1957	508
1958	473
1959	582
1960	469
1961	532
1962	384
1963	450
1964	255
1965	763
1966	599
1967	757
1968	663
1969	353
1970	522
1971	495
1972	792
1973	1,479
1974	982
1975	851
1976	478
1977	1,231
1978	854
1979	977
1980	399
1981	1,036
1982	1,132
1983	1,040
1984	623
1985	952
1986	1,062
1987	440
1988	1,162
1989	1,931
1990	1,347
1991	1,287
1992	978
1993	722
1994	952
1995	2,134
1996	1,182
1997	3,077
1998	916
1999	1,318
2000	667
2001	1,865
2002	568
2003	1,156
2004	888
2005	930
2006	666
2007	962
2008	1,373
2009	1,102
2010	623
2011	1,664
2012	806
2013	1,482
2014	633
2015	399
2016	534
2017	489
2018	795
2019	812
2020	625
2021	892
2022	1,179
2023	1,036
2024	782
2025	1,177
2026	604

Download the Data

Data for records on 1940-04-11: CSV or JSON. Field meanings are on the data page.

Sources: Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Made with Natural Earth. Public domain map data. Borders are Natural Earth's de facto depiction. Data as of 2026-10-17 (17 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Margin	Records
0 to 20	702
20 to 40	59
40 to 60	12
60 to 80	5
80 to 100	3
100 to 120	10
120 to 140	3