Weather Records on 4 April 1940

392 weather records were set or tied worldwide on 4 April 1940. Highest significance: St Joseph 3 N, US.

Key Facts for 4 April 1940

On 4 April 1940, 392 weather records were set or tied at long-record stations worldwide.
171 were record highs and 7 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 14 monthly and 377 daily.
St Joseph 3 N set an all-time record daily precipitation of 250.2 mm (9.9 in) on 4 April 1940.
Across 155 earlier years (1794 to 2026) the same calendar date averaged 505 records.

Record Map

392 stations

392 station records on 4 April 1940 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 4 April 1940: highest significance records shown on the map
Station	Country	Type	Value	Significance
St Joseph 3 N	United States	Record daily precipitation	250.2 mm (9.9 in)	71 of 100 (Major)
Boomanoomana	Australia	Record daily precipitation	63.5 mm (2.5 in)	47 of 100 (Notable)
Eureka	United States	Record snow depth	22.9 cm (9.0 in)	46 of 100 (Notable)
The Rock (Bullenbong)	Australia	Record daily precipitation	61.0 mm (2.4 in)	45 of 100 (Notable)
Pomingalarna	Australia	Record daily precipitation	48.8 mm (1.9 in)	41 of 100 (Notable)
Wagga Wagga (Kooringal)	Australia	Record daily precipitation	51.6 mm (2.0 in)	40 of 100 (Notable)
New River	United States	Record daily precipitation	67.3 mm (2.6 in)	39 of 100 (Notable)
Roseau	United States	Record daily precipitation	31.0 mm (1.2 in)	37 of 100 (Notable)
Warren	United States	Record daily precipitation	31.0 mm (1.2 in)	36 of 100 (Notable)
Tangambalanga NE Dairy	Australia	Record daily precipitation	39.9 mm (1.6 in)	35 of 100 (Notable)
Tumut (Wattle Cres)	Australia	Record daily precipitation	43.4 mm (1.7 in)	34 of 100 (Routine)
Brungle (Rosemount)	Australia	Record daily precipitation	43.2 mm (1.7 in)	33 of 100 (Routine)
Lockhart Bowling Club	Australia	Record daily precipitation	39.6 mm (1.6 in)	33 of 100 (Routine)
The Rock Post Office	Australia	Record daily precipitation	51.3 mm (2.0 in)	33 of 100 (Routine)
Boorhaman	Australia	Record daily precipitation	55.4 mm (2.2 in)	33 of 100 (Routine)
Stanley Wwtp	United States	Record daily precipitation	31.0 mm (1.2 in)	33 of 100 (Routine)
Campbell	United States	Record daily precipitation	27.7 mm (1.1 in)	32 of 100 (Routine)
Tarcutta Post Office	Australia	Record daily precipitation	58.4 mm (2.3 in)	31 of 100 (Routine)
Hillston (Hunthawang)	Australia	Record daily precipitation	51.6 mm (2.0 in)	31 of 100 (Routine)
Paris	Canada	Record daily precipitation	33.0 mm (1.3 in)	31 of 100 (Routine)
Col du Grand St-Bernard	Switzerland	Record daily precipitation	82.2 mm (3.2 in)	31 of 100 (Routine)
Port Orford 2	United States	Record high maximum temperature	25.6 C (78.1 F)	31 of 100 (Routine)
Bolagamy	Australia	Record daily precipitation	38.1 mm (1.5 in)	30 of 100 (Routine)
Argalong (the Farm)	Australia	Record daily precipitation	49.8 mm (2.0 in)	30 of 100 (Routine)
Cheboygan	United States	Record daily snowfall	5.6 cm (2.2 in)	30 of 100 (Routine)
Mittagong Head Station	Australia	Record daily precipitation	42.2 mm (1.7 in)	29 of 100 (Routine)
Mitta Mitta	Australia	Record daily precipitation	43.9 mm (1.7 in)	29 of 100 (Routine)
Springhurst	Australia	Record daily precipitation	46.2 mm (1.8 in)	29 of 100 (Routine)
Sion 2	Switzerland	Record daily precipitation	38.1 mm (1.5 in)	29 of 100 (Routine)
Sulitjelma	Norway	Record snow depth	155.0 cm (61.0 in)	28 of 100 (Routine)
Big Springs	Australia	Record daily precipitation	53.3 mm (2.1 in)	27 of 100 (Routine)
Geneve Observatoire	Switzerland	Record daily precipitation	28.7 mm (1.1 in)	27 of 100 (Routine)
Ishpeming	United States	Record daily snowfall	20.3 cm (8.0 in)	27 of 100 (Routine)
Ivanhoe (Bonuna)	Australia	Record daily precipitation	26.7 mm (1.1 in)	26 of 100 (Routine)
Adelong Post Office	Australia	Record daily precipitation	45.7 mm (1.8 in)	26 of 100 (Routine)
Mundarlo (Yabtree)	Australia	Record daily precipitation	38.9 mm (1.5 in)	25 of 100 (Routine)
Providence Bay	Canada	Record daily snowfall	5.1 cm (2.0 in)	24 of 100 (Routine)
West Wyalong (Tallimbalong)	Australia	Record daily precipitation	25.9 mm (1.0 in)	23 of 100 (Routine)
Yamma	Australia	Record daily precipitation	43.9 mm (1.7 in)	23 of 100 (Routine)
Middle Creek (Leneva)	Australia	Record daily precipitation	33.8 mm (1.3 in)	23 of 100 (Routine)
Rutherglen	Canada	Record daily snowfall	7.6 cm (3.0 in)	23 of 100 (Routine)
Celina	United States	Record daily precipitation	40.6 mm (1.6 in)	23 of 100 (Routine)
Blacksburg	United States	Record high minimum temperature	11.7 C (53.1 F)	23 of 100 (Routine)
Tumbarumba Post Office	Australia	Record daily precipitation	38.9 mm (1.5 in)	22 of 100 (Routine)
Young Post Office	Australia	Record daily precipitation	27.2 mm (1.1 in)	22 of 100 (Routine)
Morangarell	Australia	Record daily precipitation	25.7 mm (1.0 in)	22 of 100 (Routine)
Grong Grong (Junee St)	Australia	Record daily precipitation	40.9 mm (1.6 in)	22 of 100 (Routine)
Myrtleford Post Office	Australia	Record daily precipitation	38.9 mm (1.5 in)	22 of 100 (Routine)
Harrietville	Australia	Record daily precipitation	30.5 mm (1.2 in)	22 of 100 (Routine)
Isabela Substn	Puerto Rico [United States]	Record low maximum temperature	26.7 C (80.1 F)	22 of 100 (Routine)
Gadsden	United States	Record daily precipitation	74.2 mm (2.9 in)	22 of 100 (Routine)
Jeanerette 5 NW	United States	Record high minimum temperature	22.2 C (72.0 F)	22 of 100 (Routine)
Hamilton	United States	Record low minimum temperature	-9.4 C (15.1 F)	22 of 100 (Routine)
Ungarie Post Office	Australia	Record daily precipitation	39.6 mm (1.6 in)	21 of 100 (Routine)
Orange (Canobolas Public Schoo	Australia	Record daily precipitation	39.1 mm (1.5 in)	21 of 100 (Routine)
Kiandra Chalet	Australia	Record daily precipitation	50.3 mm (2.0 in)	21 of 100 (Routine)
Eurongilly (Bundaleer)	Australia	Record daily precipitation	41.1 mm (1.6 in)	21 of 100 (Routine)
Woodland Park	Australia	Record daily precipitation	34.3 mm (1.4 in)	21 of 100 (Routine)
Kergunyah South	Australia	Record daily precipitation	43.2 mm (1.7 in)	21 of 100 (Routine)
Wangaratta	Australia	Record daily precipitation	40.1 mm (1.6 in)	21 of 100 (Routine)

Counts by Type and Timescale

392 records

Records set or tied on 4 April 1940 by type: Highest daily maximum 62, Lowest daily maximum 5, Highest daily minimum 109, Lowest daily minimum 2, Heaviest daily rainfall 192, Heaviest daily snowfall 16, Deepest snow cover 6.

Records on 4 April 1940 by type
Record type	Records
Highest daily maximum	62
Lowest daily maximum	5
Highest daily minimum	109
Lowest daily minimum	2
Heaviest daily rainfall	192
Heaviest daily snowfall	16
Deepest snow cover	6

Records on 4 April 1940 by timescale: all-time 1, monthly 14, daily 377.

How Much Records Were Beaten By

321 broken records

Margins by which the 321 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 178.0. Ties are not counted.

Top 20 by Significance

4 April 1940

Top 20 records on 4 April 1940 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
4 April 1940	St Joseph 3 N, US	all-time rain	250.2 mm (9.9 in)	81.3 mm (3.2 in)	30 years	71 of 100 (Major)
4 April 1940	Boomanoomana, AU	monthly rain	63.5 mm (2.5 in)	14.5 mm (0.6 in)	57 years	47 of 100 (Notable)
4 April 1940	Eureka, US	daily snow depth	22.9 cm (9.0 in)	17.8 cm (7.0 in)	3 years	46 of 100 (Notable)
4 April 1940	The Rock (Bullenbong), AU	monthly rain	61.0 mm (2.4 in)	16.5 mm (0.6 in)	36 years	45 of 100 (Notable)
4 April 1940	Pomingalarna, AU	daily rain	48.8 mm (1.9 in)	31.3 mm (1.2 in)	12 years	41 of 100 (Notable)
4 April 1940	Wagga Wagga (Kooringal), AU	daily rain	51.6 mm (2.0 in)	26.7 mm (1.1 in)	12 years	40 of 100 (Notable)
4 April 1940	New River, US	daily rain	67.3 mm (2.6 in)	42.4 mm (1.7 in)	22 years	39 of 100 (Notable)
4 April 1940	Roseau, US	daily rain	31.0 mm (1.2 in)	19.3 mm (0.8 in)	13 years	37 of 100 (Notable)
4 April 1940	Warren, US	daily rain	31.0 mm (1.2 in)	18.3 mm (0.7 in)	29 years	36 of 100 (Notable)
4 April 1940	Tangambalanga NE Dairy, AU	daily rain	39.9 mm (1.6 in)	25.4 mm (1.0 in)	31 years	35 of 100 (Notable)
4 April 1940	Tumut (Wattle Cres), AU	daily rain	43.4 mm (1.7 in)	28.2 mm (1.1 in)	12 years	34 of 100 (Routine)
4 April 1940	Brungle (Rosemount), AU	daily rain	43.2 mm (1.7 in)	28.0 mm (1.1 in)	12 years	33 of 100 (Routine)
4 April 1940	Lockhart Bowling Club, AU	daily rain	39.6 mm (1.6 in)	20.5 mm (0.8 in)	11 years	33 of 100 (Routine)
4 April 1940	The Rock Post Office, AU	monthly rain	51.3 mm (2.0 in)	13.7 mm (0.5 in)	7 years	33 of 100 (Routine)
4 April 1940	Boorhaman, AU	daily rain	55.4 mm (2.2 in)	30.0 mm (1.2 in)	11 years	33 of 100 (Routine)
4 April 1940	Stanley Wwtp, US	daily rain	31.0 mm (1.2 in)	23.4 mm (0.9 in)	13 years	33 of 100 (Routine)
4 April 1940	Campbell, US	daily rain	27.7 mm (1.1 in)	15.0 mm (0.6 in)	30 years	32 of 100 (Routine)
4 April 1940	Tarcutta Post Office, AU	monthly rain	58.4 mm (2.3 in)	4.8 mm (0.19 in)	36 years	31 of 100 (Routine)
4 April 1940	Hillston (Hunthawang), AU	monthly rain	51.6 mm (2.0 in)	12.5 mm (0.5 in)	0 years	31 of 100 (Routine)
4 April 1940	Paris, CA	daily rain	33.0 mm (1.3 in)	13.2 mm (0.5 in)	27 years	31 of 100 (Routine)

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

1794 to 1940

Records set or tied on this calendar date in each year from 1794 to 1940. 1940 had 392 records.

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

Records on 04-04 in each year
Year	Records
1794	1
1808	1
1809	1
1815	2
1819	1
1853	1
1857	1
1873	1
1874	2
1877	2
1878	1
1879	3
1880	2
1881	3
1882	1
1883	1
1884	1
1885	1
1886	2
1887	1
1888	1
1891	1
1892	6
1893	2
1895	2
1896	3
1897	4
1898	7
1899	4
1900	7
1901	12
1902	2
1903	17
1904	6
1905	23
1906	7
1907	9
1908	20
1909	15
1910	48
1911	55
1912	25
1913	31
1914	13
1915	52
1916	65
1917	36
1918	37
1919	27
1920	89
1921	205
1922	39
1923	101
1924	51
1925	126
1926	206
1927	203
1928	625
1929	1,320
1930	86
1931	201
1932	193
1933	167
1934	656
1935	402
1936	714
1937	344
1938	201
1939	243
1940	392
1941	353
1942	537
1943	456
1944	975
1945	806
1946	459
1947	397
1948	202
1949	458
1950	1,044
1951	352
1952	348
1953	332
1954	742
1955	448
1956	426
1957	984
1958	492
1959	524
1960	756
1961	525
1962	308
1963	586
1964	675
1965	443
1966	469
1967	438
1968	640
1969	424
1970	438
1971	560
1972	695
1973	511
1974	1,356
1975	1,981
1976	353
1977	780
1978	497
1979	984
1980	690
1981	1,393
1982	1,251
1983	1,202
1984	762
1985	865
1986	810
1987	2,317
1988	1,119
1989	668
1990	826
1991	957
1992	1,270
1993	733
1994	726
1995	935
1996	699
1997	1,538
1998	931
1999	1,575
2000	1,371
2001	1,040
2002	989
2003	1,055
2004	782
2005	1,070
2006	911
2007	1,009
2008	860
2009	1,068
2010	758
2011	1,155
2012	830
2013	938
2014	705
2015	452
2016	795
2017	603
2018	1,196
2019	407
2020	914
2021	1,341
2022	1,014
2023	2,058
2024	966
2025	1,330
2026	894

Download the Data

Data for records on 1940-04-04: 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 25	298
25 to 50	14
50 to 75	4
75 to 100	1
100 to 125	2
125 to 150	1
150 to 175	0
175 to 200	1