Weather Records on 21 April 1941

306 weather records were set or tied worldwide on 21 April 1941. Highest significance: Guayama 1SW, PR.

Key Facts for 21 April 1941

On 21 April 1941, 306 weather records were set or tied at long-record stations worldwide.
182 were record highs and 36 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 14 monthly and 292 daily.
Guayama 1SW set a daily record precipitation of 38.1 mm (1.5 in) on 21 April 1941.
Across 159 earlier years (1793 to 2026) the same calendar date averaged 463 records.

Record Map

306 stations

306 station records on 21 April 1941 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 April 1941: highest significance records shown on the map
Station	Country	Type	Value	Significance
Guayama 1SW	Puerto Rico [United States]	Record daily precipitation	38.1 mm (1.5 in)	50 of 100 (Notable)
Wiluna	Australia	Record daily precipitation	51.6 mm (2.0 in)	40 of 100 (Notable)
Edjudina	Australia	Record daily precipitation	30.0 mm (1.2 in)	37 of 100 (Notable)
Tiptur	India	Record daily precipitation	41.9 mm (1.6 in)	37 of 100 (Notable)
Kookynie	Australia	Record daily precipitation	35.8 mm (1.4 in)	35 of 100 (Notable)
Port Arthur	Canada	Record daily snowfall	7.6 cm (3.0 in)	32 of 100 (Routine)
Mirranatwa (Bowacka)	Australia	Record daily precipitation	34.3 mm (1.4 in)	31 of 100 (Routine)
Tiruvangadi	India	Record daily precipitation	61.0 mm (2.4 in)	30 of 100 (Routine)
Chiknayakanihall	India	Record daily precipitation	32.0 mm (1.3 in)	29 of 100 (Routine)
Timiryazevskij	Russia	Record daily precipitation	30.3 mm (1.2 in)	29 of 100 (Routine)
Wolfville	Canada	Record high maximum temperature	23.3 C (73.9 F)	28 of 100 (Routine)
Spencer 1 N	United States	Record daily snowfall	12.7 cm (5.0 in)	28 of 100 (Routine)
Ilulissat (Jakobshavn)	Greenland [Denmark]	Record high maximum temperature	9.5 C (49.1 F)	25 of 100 (Routine)
Gila Bend 2SE	United States	Record low minimum temperature	1.1 C (34.0 F)	25 of 100 (Routine)
Waterville Wwtp	United States	Record high minimum temperature	11.1 C (52.0 F)	25 of 100 (Routine)
Boonton 1 SE	United States	Record high minimum temperature	13.9 C (57.0 F)	25 of 100 (Routine)
Lewiston	United States	Record high minimum temperature	10.0 C (50.0 F)	24 of 100 (Routine)
Martinsburg E W Virginia Rgnl	United States	Record high maximum temperature	35.6 C (96.1 F)	24 of 100 (Routine)
North Bridgton	United States	Record high minimum temperature	14.4 C (57.9 F)	23 of 100 (Routine)
Bloomfield	United States	Record high minimum temperature	10.0 C (50.0 F)	23 of 100 (Routine)
Plainfield	United States	Record high minimum temperature	15.0 C (59.0 F)	22 of 100 (Routine)
Pinopolis	United States	Record daily precipitation	27.9 mm (1.1 in)	22 of 100 (Routine)
Warsaw 2 NW	United States	Record high maximum temperature	33.9 C (93.0 F)	22 of 100 (Routine)
Namdalseid	Norway	Record snow depth	27.0 cm (10.6 in)	21 of 100 (Routine)
Farmington	United States	Record high minimum temperature	14.4 C (57.9 F)	21 of 100 (Routine)
Setauket Strong	United States	Record high minimum temperature	14.4 C (57.9 F)	21 of 100 (Routine)
Olympia Priest Pt Park	United States	Record high maximum temperature	26.1 C (79.0 F)	21 of 100 (Routine)
Victoria Valley	Australia	Record daily precipitation	22.9 mm (0.9 in)	20 of 100 (Routine)
Durango	United States	Record daily precipitation	18.3 mm (0.7 in)	20 of 100 (Routine)
Huntsville	Canada	Record daily snowfall	0.8 cm (0.3 in)	20 of 100 (Routine)
Aztec Ruins Nm	United States	Record daily precipitation	11.4 mm (0.4 in)	20 of 100 (Routine)
Tatarsk	Russia	Record daily precipitation	9.9 mm (0.39 in)	20 of 100 (Routine)
Yundamindra	Australia	Record daily precipitation	15.5 mm (0.6 in)	20 of 100 (Routine)
Mooralla (Woodleigh)	Australia	Record daily precipitation	10.2 mm (0.4 in)	20 of 100 (Routine)
Nicosia	Cyprus	Record daily precipitation	9.7 mm (0.38 in)	20 of 100 (Routine)
Onda	India	Record daily precipitation	22.1 mm (0.9 in)	20 of 100 (Routine)
Crystal Springs Exp STN	United States	Record low maximum temperature	13.9 C (57.0 F)	20 of 100 (Routine)
San Jacinto	United States	Record high minimum temperature	8.3 C (46.9 F)	20 of 100 (Routine)
Berlin	United States	Record high maximum temperature	30.6 C (87.1 F)	20 of 100 (Routine)
Clayton	United States	Record high minimum temperature	15.0 C (59.0 F)	20 of 100 (Routine)
Bateman Rch	United States	Record snow depth	127.0 cm (50.0 in)	20 of 100 (Routine)
Fruitland	United States	Record daily precipitation	1.5 mm (0.06 in)	20 of 100 (Routine)
Miami	United States	Record low maximum temperature	6.7 C (44.1 F)	20 of 100 (Routine)
Sloan 3 S	United States	Record daily precipitation	34.8 mm (1.4 in)	20 of 100 (Routine)
Cavendish	United States	Record high minimum temperature	11.7 C (53.1 F)	20 of 100 (Routine)
Chelsea	United States	Record high minimum temperature	7.8 C (46.0 F)	20 of 100 (Routine)
Warsaw 2 NW	United States	Record high minimum temperature	17.2 C (63.0 F)	20 of 100 (Routine)
Hosdurg	India	Record daily precipitation	41.9 mm (1.6 in)	19 of 100 (Routine)
Pushmataha	United States	Record daily precipitation	39.6 mm (1.6 in)	19 of 100 (Routine)
Norwalk	United States	Record high minimum temperature	13.3 C (55.9 F)	19 of 100 (Routine)
Alexandria	United States	Record low maximum temperature	14.4 C (57.9 F)	19 of 100 (Routine)
Houlton	United States	Record high minimum temperature	12.2 C (54.0 F)	19 of 100 (Routine)
Annapolis US Naval Aca	United States	Record high minimum temperature	16.7 C (62.1 F)	19 of 100 (Routine)
Laurel 3 W	United States	Record high minimum temperature	16.1 C (61.0 F)	19 of 100 (Routine)
Layton 3 NW	United States	Record high minimum temperature	12.8 C (55.0 F)	19 of 100 (Routine)
Raton	United States	Record low maximum temperature	4.4 C (39.9 F)	19 of 100 (Routine)
W Pt	United States	Record high minimum temperature	13.3 C (55.9 F)	19 of 100 (Routine)
Blanding	United States	Record daily precipitation	11.4 mm (0.4 in)	19 of 100 (Routine)
Marlinton	United States	Record high maximum temperature	26.1 C (79.0 F)	19 of 100 (Routine)
Nowgong	India	Record daily precipitation	40.6 mm (1.6 in)	18 of 100 (Routine)

Counts by Type and Timescale

306 records

Records set or tied on 21 April 1941 by type: Highest daily maximum 97, Lowest daily maximum 24, Highest daily minimum 85, Lowest daily minimum 12, Heaviest daily rainfall 78, Heaviest daily snowfall 7, Deepest snow cover 3.

Records on 21 April 1941 by type
Record type	Records
Highest daily maximum	97
Lowest daily maximum	24
Highest daily minimum	85
Lowest daily minimum	12
Heaviest daily rainfall	78
Heaviest daily snowfall	7
Deepest snow cover	3

Records on 21 April 1941 by timescale: all-time 0, monthly 14, daily 292.

How Much Records Were Beaten By

246 broken records

Margins by which the 246 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 381.0. Ties are not counted.

Top 20 by Significance

21 April 1941

Top 20 records on 21 April 1941 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 April 1941	Guayama 1SW, PR	daily rain	38.1 mm (1.5 in)	33.5 mm (1.3 in)	24 years	50 of 100 (Notable)
21 April 1941	Wiluna, AU	daily rain	51.6 mm (2.0 in)	33.3 mm (1.3 in)	19 years	40 of 100 (Notable)
21 April 1941	Edjudina, AU	daily rain	30.0 mm (1.2 in)	26.2 mm (1.0 in)	23 years	37 of 100 (Notable)
21 April 1941	Tiptur, IN	daily rain	41.9 mm (1.6 in)	27.7 mm (1.1 in)	32 years	37 of 100 (Notable)
21 April 1941	Kookynie, AU	daily rain	35.8 mm (1.4 in)	31.0 mm (1.2 in)	4 years	35 of 100 (Notable)
21 April 1941	Port Arthur, CA	daily snowfall	7.6 cm (3.0 in)	5.8 cm (2.3 in)	47 years	32 of 100 (Routine)
21 April 1941	Mirranatwa (Bowacka), AU	daily rain	34.3 mm (1.4 in)	15.2 mm (0.6 in)	27 years	31 of 100 (Routine)
21 April 1941	Tiruvangadi, IN	daily rain	61.0 mm (2.4 in)	40.4 mm (1.6 in)	3 years	30 of 100 (Routine)
21 April 1941	Chiknayakanihall, IN	daily rain	32.0 mm (1.3 in)	24.9 mm (1.0 in)	32 years	29 of 100 (Routine)
21 April 1941	Timiryazevskij, RU	monthly rain	30.3 mm (1.2 in)	8.0 mm (0.31 in)	3 years	29 of 100 (Routine)
21 April 1941	Wolfville, CA	daily high max	23.3 C (73.9 F)	6.1 C (11.0 F)	40 years	28 of 100 (Routine)
21 April 1941	Spencer 1 N, US	daily snowfall	12.7 cm (5.0 in)	10.2 cm (4.0 in)	14 years	28 of 100 (Routine)
21 April 1941	Ilulissat (Jakobshavn), GL	daily high max	9.5 C (49.1 F)	1.2 C (2.2 F)	61 years	25 of 100 (Routine)
21 April 1941	Gila Bend 2SE, US	daily low min	1.1 C (34.0 F)	4.5 C (8.1 F)	24 years	25 of 100 (Routine)
21 April 1941	Waterville Wwtp, US	daily high min	11.1 C (52.0 F)	3.9 C (7.0 F)	40 years	25 of 100 (Routine)
21 April 1941	Boonton 1 SE, US	daily high min	13.9 C (57.0 F)	3.3 C (5.9 F)	44 years	25 of 100 (Routine)
21 April 1941	Lewiston, US	daily high min	10.0 C (50.0 F)	2.2 C (4.0 F)	46 years	24 of 100 (Routine)
21 April 1941	Martinsburg E W Virginia Rgnl, US	daily high max	35.6 C (96.1 F)	4.5 C (8.1 F)	44 years	24 of 100 (Routine)
21 April 1941	North Bridgton, US	daily high min	14.4 C (57.9 F)	6.1 C (11.0 F)	14 years	23 of 100 (Routine)
21 April 1941	Bloomfield, US	daily high min	10.0 C (50.0 F)	6.7 C (12.1 F)	24 years	23 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

1793 to 1941

Records set or tied on this calendar date in each year from 1793 to 1941. 1941 had 306 records.

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

Records on 04-21 in each year
Year	Records
1793	1
1814	1
1820	1
1838	1
1849	2
1851	1
1852	3
1854	1
1858	3
1861	2
1865	3
1866	1
1868	1
1870	1
1875	4
1876	2
1877	1
1879	3
1880	1
1881	1
1882	1
1884	1
1885	2
1888	1
1890	1
1891	1
1892	1
1893	2
1894	4
1895	1
1897	1
1898	2
1899	2
1900	7
1901	17
1902	7
1903	3
1904	10
1905	18
1906	5
1907	17
1908	25
1909	20
1910	33
1911	9
1912	22
1913	14
1914	220
1915	24
1916	64
1917	48
1918	84
1919	31
1920	85
1921	59
1922	70
1923	223
1924	119
1925	295
1926	148
1927	284
1928	269
1929	193
1930	127
1931	358
1932	304
1933	201
1934	497
1935	266
1936	277
1937	416
1938	295
1939	110
1940	462
1941	306
1942	285
1943	481
1944	261
1945	367
1946	448
1947	459
1948	365
1949	448
1950	529
1951	884
1952	665
1953	640
1954	527
1955	607
1956	497
1957	824
1958	329
1959	505
1960	889
1961	647
1962	319
1963	778
1964	1,125
1965	658
1966	756
1967	903
1968	655
1969	388
1970	728
1971	546
1972	593
1973	1,163
1974	528
1975	360
1976	452
1977	854
1978	735
1979	449
1980	1,934
1981	944
1982	1,075
1983	1,366
1984	1,231
1985	1,245
1986	977
1987	1,290
1988	898
1989	1,557
1990	1,463
1991	1,291
1992	1,763
1993	847
1994	859
1995	1,476
1996	788
1997	964
1998	876
1999	752
2000	921
2001	967
2002	1,312
2003	607
2004	586
2005	693
2006	761
2007	480
2008	1,327
2009	983
2010	805
2011	1,053
2012	687
2013	1,015
2014	393
2015	621
2016	587
2017	797
2018	862
2019	731
2020	397
2021	1,608
2022	433
2023	886
2024	754
2025	506
2026	853

Download the Data

Data for records on 1941-04-21: 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 2026-10-14 (14 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Margin	Records
0 to 50	241
50 to 100	3
100 to 150	1
150 to 200	0
200 to 250	0
250 to 300	0
300 to 350	0
350 to 400	1