Weather Records on 21 May 1941

525 weather records were set or tied worldwide on 21 May 1941. Highest significance: Mohania(Mahania), IN.

Key Facts for 21 May 1941

On 21 May 1941, 525 weather records were set or tied at long-record stations worldwide.
356 were record highs and 40 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 39 monthly and 486 daily.
Mohania(Mahania) set a monthly record daily precipitation of 61.0 mm (2.4 in) on 21 May 1941.
Across 156 earlier years (1793 to 2026) the same calendar date averaged 460 records.

Record Map

525 stations

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

Weather records on 21 May 1941: highest significance records shown on the map
Station	Country	Type	Value	Significance
Mohania(Mahania)	India	Record daily precipitation	61.0 mm (2.4 in)	59 of 100 (Notable)
Quanah 2 SW	United States	Record daily precipitation	80.8 mm (3.2 in)	54 of 100 (Notable)
Nabinagar	India	Record daily precipitation	38.4 mm (1.5 in)	48 of 100 (Notable)
Chillicothe	United States	Record daily precipitation	94.0 mm (3.7 in)	46 of 100 (Notable)
Ancho	United States	Record daily precipitation	31.8 mm (1.3 in)	44 of 100 (Notable)
Magdalena	United States	Record daily precipitation	40.6 mm (1.6 in)	44 of 100 (Notable)
Graham	United States	Record daily precipitation	85.1 mm (3.4 in)	43 of 100 (Notable)
Etah	India	Record daily precipitation	27.9 mm (1.1 in)	41 of 100 (Notable)
Pawhuska	United States	Record daily precipitation	74.2 mm (2.9 in)	37 of 100 (Notable)
Sitka Magnetic Obsy	United States	Record daily precipitation	39.1 mm (1.5 in)	37 of 100 (Notable)
Sarita 7 E	United States	Record daily precipitation	128.0 mm (5.0 in)	36 of 100 (Notable)
Cloudcroft	United States	Record daily precipitation	33.3 mm (1.3 in)	35 of 100 (Notable)
Ricardo	United States	Record daily precipitation	142.2 mm (5.6 in)	34 of 100 (Routine)
Shawinigan	Canada	Record daily precipitation	31.0 mm (1.2 in)	32 of 100 (Routine)
Nuwara Eliya	Sri Lanka	Record high minimum temperature	15.7 C (60.3 F)	31 of 100 (Routine)
Deogarh (Bamra)	India	Record daily precipitation	46.2 mm (1.8 in)	31 of 100 (Routine)
Gallinas Rs	United States	Record daily precipitation	25.4 mm (1.0 in)	31 of 100 (Routine)
Encinal	United States	Record daily precipitation	45.7 mm (1.8 in)	30 of 100 (Routine)
Firozabad	India	Record daily precipitation	29.5 mm (1.2 in)	29 of 100 (Routine)
Harrisburg - Coop	United States	Record high maximum temperature	35.6 C (96.1 F)	29 of 100 (Routine)
Santuck	United States	Record high minimum temperature	24.4 C (75.9 F)	29 of 100 (Routine)
Alice	United States	Record daily precipitation	39.4 mm (1.6 in)	29 of 100 (Routine)
Etmadpur	India	Record daily precipitation	40.9 mm (1.6 in)	28 of 100 (Routine)
Marlow 1 WSW	United States	Record daily precipitation	66.5 mm (2.6 in)	28 of 100 (Routine)
Cowles	United States	Record daily snowfall	7.6 cm (3.0 in)	27 of 100 (Routine)
Brownwood 2NE	United States	Record daily precipitation	71.4 mm (2.8 in)	27 of 100 (Routine)
Memphis	United States	Record daily precipitation	45.7 mm (1.8 in)	27 of 100 (Routine)
Socorro	United States	Record low maximum temperature	17.8 C (64.0 F)	26 of 100 (Routine)
Caroleen	United States	Record high maximum temperature	37.8 C (100.0 F)	26 of 100 (Routine)
Coldwater	United States	Record high maximum temperature	36.1 C (97.0 F)	26 of 100 (Routine)
Albany	United States	Record daily precipitation	72.6 mm (2.9 in)	26 of 100 (Routine)
Milan Exp STN	United States	Record high maximum temperature	36.7 C (98.1 F)	25 of 100 (Routine)
Murfreesboro 5 N	United States	Record high maximum temperature	35.6 C (96.1 F)	25 of 100 (Routine)
Lubbock 9N	United States	Record daily precipitation	41.1 mm (1.6 in)	25 of 100 (Routine)
Weatherford	United States	Record daily precipitation	43.7 mm (1.7 in)	25 of 100 (Routine)
Mistassini Post	Canada	Record high maximum temperature	22.8 C (73.0 F)	24 of 100 (Routine)
Berkeley	United States	Record high minimum temperature	15.6 C (60.1 F)	24 of 100 (Routine)
Earlington	United States	Record high maximum temperature	38.3 C (100.9 F)	24 of 100 (Routine)
Wayne	United States	Record high maximum temperature	35.0 C (95.0 F)	24 of 100 (Routine)
Smithfield	United States	Record high maximum temperature	37.2 C (99.0 F)	24 of 100 (Routine)
Clarksville Wwtp	United States	Record high maximum temperature	37.2 C (99.0 F)	24 of 100 (Routine)
Bamberg	Germany	Record daily precipitation	34.6 mm (1.4 in)	23 of 100 (Routine)
Aibonito 1 S	Puerto Rico [United States]	Record daily precipitation	50.8 mm (2.0 in)	23 of 100 (Routine)
Madison	United States	Record high maximum temperature	37.8 C (100.0 F)	23 of 100 (Routine)
Eubank	United States	Record high maximum temperature	35.6 C (96.1 F)	23 of 100 (Routine)
Saint Bernard	United States	Record high maximum temperature	35.6 C (96.1 F)	22 of 100 (Routine)
Eustis 2 S	United States	Record low minimum temperature	13.9 C (57.0 F)	22 of 100 (Routine)
Chapel Hill 2 W	United States	Record high maximum temperature	36.1 C (97.0 F)	22 of 100 (Routine)
Statesville 2 NNE	United States	Record high maximum temperature	36.7 C (98.1 F)	22 of 100 (Routine)
Newberry	United States	Record high maximum temperature	38.3 C (100.9 F)	22 of 100 (Routine)
Eastland	United States	Record daily precipitation	39.4 mm (1.6 in)	22 of 100 (Routine)
Roswell Muni AP	United States	Record daily precipitation	42.7 mm (1.7 in)	22 of 100 (Routine)
Broome Post Office	Australia	Record low maximum temperature	23.3 C (73.9 F)	21 of 100 (Routine)
Toronto	Canada	Record high maximum temperature	32.2 C (90.0 F)	21 of 100 (Routine)
Toccoa	United States	Record high maximum temperature	36.1 C (97.0 F)	21 of 100 (Routine)
Sikeston	United States	Record high maximum temperature	36.1 C (97.0 F)	21 of 100 (Routine)
Greensboro	United States	Record high maximum temperature	36.7 C (98.1 F)	21 of 100 (Routine)
Chickasha	United States	Record daily precipitation	27.4 mm (1.1 in)	21 of 100 (Routine)
Dover 1 W	United States	Record high maximum temperature	36.7 C (98.1 F)	21 of 100 (Routine)
Alice	United States	Record low maximum temperature	22.2 C (72.0 F)	21 of 100 (Routine)

Counts by Type and Timescale

525 records

Records set or tied on 21 May 1941 by type: Highest daily maximum 298, Lowest daily maximum 25, Highest daily minimum 58, Lowest daily minimum 15, Heaviest daily rainfall 127, Heaviest daily snowfall 1, Deepest snow cover 1.

Records on 21 May 1941 by type
Record type	Records
Highest daily maximum	298
Lowest daily maximum	25
Highest daily minimum	58
Lowest daily minimum	15
Heaviest daily rainfall	127
Heaviest daily snowfall	1
Deepest snow cover	1

Records on 21 May 1941 by timescale: all-time 0, monthly 39, daily 486.

How Much Records Were Beaten By

395 broken records

Margins by which the 395 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 100.0. Ties are not counted.

Top 20 by Significance

21 May 1941

Top 20 records on 21 May 1941 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 May 1941	Mohania(Mahania), IN	monthly rain	61.0 mm (2.4 in)	29.2 mm (1.1 in)	26 years	59 of 100 (Notable)
21 May 1941	Quanah 2 SW, US	daily rain	80.8 mm (3.2 in)	58.7 mm (2.3 in)	35 years	54 of 100 (Notable)
21 May 1941	Nabinagar, IN	daily rain	38.4 mm (1.5 in)	33.8 mm (1.3 in)	28 years	48 of 100 (Notable)
21 May 1941	Chillicothe, US	daily rain	94.0 mm (3.7 in)	63.0 mm (2.5 in)	8 years	46 of 100 (Notable)
21 May 1941	Ancho, US	daily rain	31.8 mm (1.3 in)	27.2 mm (1.1 in)	6 years	44 of 100 (Notable)
21 May 1941	Magdalena, US	daily rain	40.6 mm (1.6 in)	38.1 mm (1.5 in)	6 years	44 of 100 (Notable)
21 May 1941	Graham, US	daily rain	85.1 mm (3.4 in)	49.0 mm (1.9 in)	36 years	43 of 100 (Notable)
21 May 1941	Etah, IN	daily rain	27.9 mm (1.1 in)	22.3 mm (0.9 in)	28 years	41 of 100 (Notable)
21 May 1941	Pawhuska, US	daily rain	74.2 mm (2.9 in)	38.6 mm (1.5 in)	38 years	37 of 100 (Notable)
21 May 1941	Sitka Magnetic Obsy, US	daily rain	39.1 mm (1.5 in)	21.1 mm (0.8 in)	18 years	37 of 100 (Notable)
21 May 1941	Sarita 7 E, US	daily rain	128.0 mm (5.0 in)	54.3 mm (2.1 in)	28 years	36 of 100 (Notable)
21 May 1941	Cloudcroft, US	daily rain	33.3 mm (1.3 in)	23.9 mm (0.9 in)	12 years	35 of 100 (Notable)
21 May 1941	Ricardo, US	daily rain	142.2 mm (5.6 in)	67.3 mm (2.6 in)	27 years	34 of 100 (Routine)
21 May 1941	Shawinigan, CA	daily rain	31.0 mm (1.2 in)	20.8 mm (0.8 in)	16 years	32 of 100 (Routine)
21 May 1941	Nuwara Eliya, LK	daily high min	15.7 C (60.3 F)	0.7 C (1.3 F)	71 years	31 of 100 (Routine)
21 May 1941	Deogarh (Bamra), IN	daily rain	46.2 mm (1.8 in)	27.1 mm (1.1 in)	8 years	31 of 100 (Routine)
21 May 1941	Gallinas Rs, US	daily rain	25.4 mm (1.0 in)	21.6 mm (0.9 in)	24 years	31 of 100 (Routine)
21 May 1941	Encinal, US	daily rain	45.7 mm (1.8 in)	30.2 mm (1.2 in)	32 years	30 of 100 (Routine)
21 May 1941	Firozabad, IN	monthly rain	29.5 mm (1.2 in)	3.6 mm (0.14 in)	34 years	29 of 100 (Routine)
21 May 1941	Harrisburg - Coop, US	monthly high max	35.6 C (96.1 F)	0.6 C (1.1 F)	45 years	29 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 525 records.

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

Records on 05-21 in each year
Year	Records
1793	1
1795	1
1811	1
1837	2
1842	1
1847	2
1854	1
1857	1
1858	1
1865	1
1866	1
1870	2
1875	1
1876	1
1880	2
1882	1
1885	1
1886	2
1887	3
1889	5
1890	3
1891	6
1892	1
1893	1
1894	4
1895	4
1896	5
1897	2
1898	1
1899	5
1900	1
1901	3
1902	4
1903	26
1904	8
1905	7
1906	12
1907	36
1908	13
1909	13
1910	14
1911	87
1912	24
1913	13
1914	26
1915	24
1916	13
1917	76
1918	51
1919	170
1920	39
1921	158
1922	39
1923	125
1924	148
1925	250
1926	221
1927	207
1928	173
1929	247
1930	133
1931	488
1932	343
1933	290
1934	590
1935	190
1936	328
1937	227
1938	348
1939	355
1940	456
1941	525
1942	482
1943	463
1944	310
1945	515
1946	324
1947	485
1948	312
1949	593
1950	403
1951	271
1952	385
1953	501
1954	961
1955	507
1956	409
1957	709
1958	511
1959	684
1960	615
1961	306
1962	553
1963	598
1964	788
1965	238
1966	296
1967	1,022
1968	549
1969	832
1970	449
1971	536
1972	557
1973	493
1974	847
1975	1,160
1976	393
1977	756
1978	575
1979	787
1980	857
1981	1,550
1982	599
1983	1,106
1984	950
1985	610
1986	908
1987	1,242
1988	819
1989	671
1990	947
1991	1,065
1992	1,143
1993	1,197
1994	656
1995	749
1996	1,461
1997	953
1998	1,200
1999	544
2000	897
2001	1,187
2002	2,048
2003	807
2004	898
2005	1,020
2006	810
2007	894
2008	740
2009	1,315
2010	962
2011	959
2012	848
2013	884
2014	522
2015	956
2016	567
2017	780
2018	525
2019	1,668
2020	707
2021	1,131
2022	1,512
2023	794
2024	751
2025	776
2026	356

Download the Data

Data for records on 1941-05-21: 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 20	365
20 to 40	23
40 to 60	3
60 to 80	3
80 to 100	1