Weather Records on 11 April 1943

546 weather records were set or tied worldwide on 11 April 1943. Highest significance: Alton 1 W, US.

Key Facts for 11 April 1943

On 11 April 1943, 546 weather records were set or tied at long-record stations worldwide.
120 were record highs and 90 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 12 monthly and 534 daily.
Alton 1 W set a daily record precipitation of 48.8 mm (1.9 in) on 11 April 1943.
Across 164 earlier years (1800 to 2026) the same calendar date averaged 480 records.

Record Map

546 stations

546 station records on 11 April 1943 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 11 April 1943: highest significance records shown on the map
Station	Country	Type	Value	Significance
Alton 1 W	United States	Record daily precipitation	48.8 mm (1.9 in)	53 of 100 (Notable)
Bronkhorstspruit (Mun)	South Africa	Record daily precipitation	49.3 mm (1.9 in)	51 of 100 (Notable)
Pundi	India	Record daily precipitation	60.2 mm (2.4 in)	50 of 100 (Notable)
Hill City Muni AP	United States	Record daily precipitation	54.6 mm (2.1 in)	49 of 100 (Notable)
Gumma	India	Record daily precipitation	80.0 mm (3.1 in)	48 of 100 (Notable)
Bargarh	India	Record daily precipitation	69.9 mm (2.8 in)	48 of 100 (Notable)
Okhimath	India	Record daily precipitation	52.1 mm (2.1 in)	48 of 100 (Notable)
Ft Smith	United States	Record daily precipitation	65.3 mm (2.6 in)	48 of 100 (Notable)
Norton 9SSE	United States	Record daily precipitation	45.7 mm (1.8 in)	48 of 100 (Notable)
Chugwater	United States	Record daily precipitation	37.1 mm (1.5 in)	48 of 100 (Notable)
South Pass City	United States	Record daily precipitation	25.9 mm (1.0 in)	48 of 100 (Notable)
Mongpoo	India	Record daily precipitation	66.5 mm (2.6 in)	46 of 100 (Notable)
Collarenebri (Dunumbral)	Australia	Record daily precipitation	38.1 mm (1.5 in)	45 of 100 (Notable)
Itchapuram	India	Record daily precipitation	80.8 mm (3.2 in)	45 of 100 (Notable)
Aurora	United States	Record daily precipitation	40.6 mm (1.6 in)	45 of 100 (Notable)
Guide Rock	United States	Record daily precipitation	44.5 mm (1.8 in)	44 of 100 (Notable)
Purdum	United States	Record daily precipitation	44.2 mm (1.7 in)	44 of 100 (Notable)
Arcadia	United States	Record daily precipitation	57.7 mm (2.3 in)	43 of 100 (Notable)
Minneapolis	United States	Record daily precipitation	50.3 mm (2.0 in)	42 of 100 (Notable)
Scottsbluff W B Heilig Fld AP	United States	Record daily precipitation	37.6 mm (1.5 in)	42 of 100 (Notable)
Devala	India	Record daily precipitation	61.0 mm (2.4 in)	41 of 100 (Notable)
Red Lodge	United States	Record daily precipitation	42.7 mm (1.7 in)	41 of 100 (Notable)
Hebron	United States	Record daily precipitation	55.9 mm (2.2 in)	41 of 100 (Notable)
Orleans 2 W	United States	Record daily precipitation	56.4 mm (2.2 in)	41 of 100 (Notable)
Tulloona (Coolanga)	Australia	Record daily precipitation	37.1 mm (1.5 in)	40 of 100 (Notable)
Gunupur	India	Record daily precipitation	54.1 mm (2.1 in)	40 of 100 (Notable)
Bruning	United States	Record daily precipitation	49.0 mm (1.9 in)	40 of 100 (Notable)
Bunghill Tank	Australia	Record daily precipitation	39.4 mm (1.6 in)	39 of 100 (Notable)
The Wilgas	Australia	Record daily precipitation	49.0 mm (1.9 in)	39 of 100 (Notable)
Rowena (Waroonga)	Australia	Record daily precipitation	52.3 mm (2.1 in)	39 of 100 (Notable)
Yallaroi	Australia	Record daily precipitation	49.8 mm (2.0 in)	38 of 100 (Notable)
Mason City	United States	Record daily precipitation	72.4 mm (2.9 in)	38 of 100 (Notable)
Pathfinder Dam	United States	Record daily precipitation	25.9 mm (1.0 in)	38 of 100 (Notable)
Smith Ctr	United States	Record daily precipitation	30.5 mm (1.2 in)	37 of 100 (Notable)
Douglas 1 SE	United States	Record daily precipitation	30.5 mm (1.2 in)	37 of 100 (Notable)
Yarral Yarral	Australia	Record daily precipitation	47.5 mm (1.9 in)	36 of 100 (Notable)
Sivakasi	India	Record daily precipitation	61.7 mm (2.4 in)	36 of 100 (Notable)
Lynch	United States	Record daily precipitation	43.7 mm (1.7 in)	36 of 100 (Notable)
Osceola	United States	Record daily precipitation	33.0 mm (1.3 in)	36 of 100 (Notable)
Mbabane	Swaziland	Record daily precipitation	33.5 mm (1.3 in)	36 of 100 (Notable)
Armour	United States	Record daily precipitation	35.3 mm (1.4 in)	35 of 100 (Notable)
Walgett (Euroka)	Australia	Record daily precipitation	33.5 mm (1.3 in)	34 of 100 (Routine)
Ainsworth	United States	Record daily precipitation	30.0 mm (1.2 in)	34 of 100 (Routine)
Bridgeport	United States	Record daily precipitation	31.8 mm (1.3 in)	34 of 100 (Routine)
Ericson 8 WNW	United States	Record daily precipitation	40.6 mm (1.6 in)	34 of 100 (Routine)
Kearney 4 NE	United States	Record daily precipitation	88.9 mm (3.5 in)	34 of 100 (Routine)
G. Udayagiri	India	Record daily precipitation	37.3 mm (1.5 in)	33 of 100 (Routine)
Kurseong	India	Record daily precipitation	58.9 mm (2.3 in)	33 of 100 (Routine)
Bertrand	United States	Record daily precipitation	77.0 mm (3.0 in)	33 of 100 (Routine)
Newport	United States	Record daily precipitation	38.9 mm (1.5 in)	33 of 100 (Routine)
Evelyn Sharp Fld	United States	Record daily precipitation	48.0 mm (1.9 in)	33 of 100 (Routine)
Sidney 6NNW	United States	Record daily precipitation	45.7 mm (1.8 in)	33 of 100 (Routine)
Niulii 179	United States	Record low minimum temperature	13.9 C (57.0 F)	33 of 100 (Routine)
Glenelg	Australia	Record daily precipitation	37.8 mm (1.5 in)	31 of 100 (Routine)
Chatrapur	India	Record daily precipitation	62.2 mm (2.4 in)	31 of 100 (Routine)
Bhimber	Pakistan	Record daily precipitation	33.0 mm (1.3 in)	31 of 100 (Routine)
Subiaco	United States	Record daily precipitation	56.6 mm (2.2 in)	31 of 100 (Routine)
Cambridge	United States	Record daily precipitation	52.3 mm (2.1 in)	31 of 100 (Routine)
Lodgepole	United States	Record daily precipitation	43.9 mm (1.7 in)	31 of 100 (Routine)
Loup City	United States	Record daily precipitation	52.3 mm (2.1 in)	31 of 100 (Routine)

Counts by Type and Timescale

546 records

Records set or tied on 11 April 1943 by type: Highest daily maximum 44, Lowest daily maximum 16, Highest daily minimum 76, Lowest daily minimum 74, Heaviest daily rainfall 326, Heaviest daily snowfall 5, Deepest snow cover 5.

Records on 11 April 1943 by type
Record type	Records
Highest daily maximum	44
Lowest daily maximum	16
Highest daily minimum	76
Lowest daily minimum	74
Heaviest daily rainfall	326
Heaviest daily snowfall	5
Deepest snow cover	5

Records on 11 April 1943 by timescale: all-time 0, monthly 12, daily 534.

How Much Records Were Beaten By

457 broken records

Margins by which the 457 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 102.0. Ties are not counted.

Top 20 by Significance

11 April 1943

Top 20 records on 11 April 1943 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
11 April 1943	Alton 1 W, US	daily rain	48.8 mm (1.9 in)	37.4 mm (1.5 in)	32 years	53 of 100 (Notable)
11 April 1943	Bronkhorstspruit (Mun), ZA	daily rain	49.3 mm (1.9 in)	47.8 mm (1.9 in)	28 years	51 of 100 (Notable)
11 April 1943	Pundi, IN	daily rain	60.2 mm (2.4 in)	55.1 mm (2.2 in)	33 years	50 of 100 (Notable)
11 April 1943	Hill City Muni AP, US	daily rain	54.6 mm (2.1 in)	47.7 mm (1.9 in)	22 years	49 of 100 (Notable)
11 April 1943	Gumma, IN	monthly rain	80.0 mm (3.1 in)	24.6 mm (1.0 in)	35 years	48 of 100 (Notable)
11 April 1943	Bargarh, IN	monthly rain	69.9 mm (2.8 in)	28.8 mm (1.1 in)	15 years	48 of 100 (Notable)
11 April 1943	Okhimath, IN	daily rain	52.1 mm (2.1 in)	44.5 mm (1.8 in)	16 years	48 of 100 (Notable)
11 April 1943	Ft Smith, US	daily rain	65.3 mm (2.6 in)	46.5 mm (1.8 in)	28 years	48 of 100 (Notable)
11 April 1943	Norton 9SSE, US	daily rain	45.7 mm (1.8 in)	34.3 mm (1.4 in)	44 years	48 of 100 (Notable)
11 April 1943	Chugwater, US	daily rain	37.1 mm (1.5 in)	26.9 mm (1.1 in)	41 years	48 of 100 (Notable)
11 April 1943	South Pass City, US	daily rain	25.9 mm (1.0 in)	21.6 mm (0.9 in)	16 years	48 of 100 (Notable)
11 April 1943	Mongpoo, IN	daily rain	66.5 mm (2.6 in)	42.9 mm (1.7 in)	36 years	46 of 100 (Notable)
11 April 1943	Collarenebri (Dunumbral), AU	daily rain	38.1 mm (1.5 in)	33.8 mm (1.3 in)	46 years	45 of 100 (Notable)
11 April 1943	Itchapuram, IN	daily rain	80.8 mm (3.2 in)	70.9 mm (2.8 in)	8 years	45 of 100 (Notable)
11 April 1943	Aurora, US	daily rain	40.6 mm (1.6 in)	28.7 mm (1.1 in)	45 years	45 of 100 (Notable)
11 April 1943	Guide Rock, US	daily rain	44.5 mm (1.8 in)	24.7 mm (1.0 in)	41 years	44 of 100 (Notable)
11 April 1943	Purdum, US	daily rain	44.2 mm (1.7 in)	36.6 mm (1.4 in)	22 years	44 of 100 (Notable)
11 April 1943	Arcadia, US	daily rain	57.7 mm (2.3 in)	32.3 mm (1.3 in)	41 years	43 of 100 (Notable)
11 April 1943	Minneapolis, US	daily rain	50.3 mm (2.0 in)	23.6 mm (0.9 in)	41 years	42 of 100 (Notable)
11 April 1943	Scottsbluff W B Heilig Fld AP, US	daily rain	37.6 mm (1.5 in)	23.1 mm (0.9 in)	41 years	42 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 1943

Records set or tied on this calendar date in each year from 1800 to 1943. 1943 had 546 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 1943-04-11: 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	385
20 to 40	56
40 to 60	12
60 to 80	2
80 to 100	0
100 to 120	2