Weather Records on 21 March 1940

366 weather records were set or tied worldwide on 21 March 1940. Highest significance: Gondwara(Kohra), IN.

Key Facts for 21 March 1940

On 21 March 1940, 366 weather records were set or tied at long-record stations worldwide.
44 were record highs and 68 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 9 monthly and 356 daily.
Gondwara(Kohra) set a monthly record daily precipitation of 43.9 mm (1.7 in) on 21 March 1940.
Across 157 earlier years (1797 to 2026) the same calendar date averaged 483 records.

Record Map

366 stations

366 station records on 21 March 1940 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 March 1940: highest significance records shown on the map
Station	Country	Type	Value	Significance
Gondwara(Kohra)	India	Record daily precipitation	43.9 mm (1.7 in)	60 of 100 (Major)
Huntsville	Canada	Record daily snowfall	33.0 cm (13.0 in)	59 of 100 (Notable)
Oranje	South Africa	Record daily precipitation	101.6 mm (4.0 in)	50 of 100 (Notable)
Mount Forest	Canada	Record daily snowfall	17.3 cm (6.8 in)	47 of 100 (Notable)
Balumath	India	Record daily precipitation	38.9 mm (1.5 in)	43 of 100 (Notable)
Pachet(Kharai)	India	Record daily precipitation	77.2 mm (3.0 in)	43 of 100 (Notable)
Sorell (Whitlea)	Australia	Record daily precipitation	37.6 mm (1.5 in)	42 of 100 (Notable)
Baunsi	India	Record daily precipitation	49.0 mm (1.9 in)	42 of 100 (Notable)
Mnt Fletcher (Tnk)	South Africa	Record daily precipitation	55.1 mm (2.2 in)	40 of 100 (Notable)
De Wagendrift	South Africa	Record daily precipitation	54.6 mm (2.1 in)	40 of 100 (Notable)
Kampur	India	Record daily precipitation	25.7 mm (1.0 in)	38 of 100 (Notable)
Huntsville	Canada	Record daily precipitation	33.0 mm (1.3 in)	37 of 100 (Notable)
Kukrahati	India	Record daily precipitation	67.3 mm (2.6 in)	37 of 100 (Notable)
Mongpoo	India	Record daily precipitation	38.1 mm (1.5 in)	36 of 100 (Notable)
Basirhat	India	Record daily precipitation	41.1 mm (1.6 in)	36 of 100 (Notable)
Kishanganj	India	Record daily precipitation	27.2 mm (1.1 in)	35 of 100 (Notable)
Khutauna	India	Record daily precipitation	52.3 mm (2.1 in)	34 of 100 (Routine)
Mahendraganj	India	Record daily precipitation	35.6 mm (1.4 in)	34 of 100 (Routine)
Dharmasala	India	Record daily precipitation	47.2 mm (1.9 in)	34 of 100 (Routine)
Sagunbari	India	Record daily precipitation	36.8 mm (1.4 in)	33 of 100 (Routine)
Rio Grande City	United States	Record daily precipitation	37.1 mm (1.5 in)	33 of 100 (Routine)
Sompeta	India	Record daily precipitation	42.9 mm (1.7 in)	32 of 100 (Routine)
Loukahi	India	Record daily precipitation	50.8 mm (2.0 in)	32 of 100 (Routine)
Ames 3 SW	United States	Record daily snowfall	7.1 cm (2.8 in)	32 of 100 (Routine)
Sitka Magnetic Obsy	United States	Record daily precipitation	60.5 mm (2.4 in)	32 of 100 (Routine)
Malda	India	Record daily precipitation	32.3 mm (1.3 in)	31 of 100 (Routine)
Campsie	Canada	Record daily snowfall	10.7 cm (4.2 in)	30 of 100 (Routine)
Chakaibanda	India	Record daily precipitation	28.7 mm (1.1 in)	29 of 100 (Routine)
Silli	India	Record daily precipitation	25.9 mm (1.0 in)	29 of 100 (Routine)
Falakata Sr	India	Record daily precipitation	30.5 mm (1.2 in)	29 of 100 (Routine)
Coldwater	Canada	Record daily snowfall	11.4 cm (4.5 in)	28 of 100 (Routine)
Tuni	India	Record daily precipitation	33.5 mm (1.3 in)	28 of 100 (Routine)
Selonah	India	Record daily precipitation	26.4 mm (1.0 in)	28 of 100 (Routine)
Jamestown State Hosp	United States	Record snow depth	10.2 cm (4.0 in)	28 of 100 (Routine)
Velikie Luki	Russia	Record low minimum temperature	-20.9 C (-5.6 F)	27 of 100 (Routine)
Godda	India	Record daily precipitation	26.7 mm (1.1 in)	26 of 100 (Routine)
Beatrice	Canada	Record daily snowfall	12.7 cm (5.0 in)	25 of 100 (Routine)
Siliguri	India	Record daily precipitation	27.7 mm (1.1 in)	25 of 100 (Routine)
Kerrville	United States	Record daily precipitation	26.7 mm (1.1 in)	25 of 100 (Routine)
Brucefield	Canada	Record daily snowfall	12.7 cm (5.0 in)	24 of 100 (Routine)
Barh	India	Record daily precipitation	33.5 mm (1.3 in)	24 of 100 (Routine)
Sandheads	India	Record daily precipitation	62.7 mm (2.5 in)	24 of 100 (Routine)
Tylden "Tulden"	South Africa	Record daily precipitation	30.5 mm (1.2 in)	24 of 100 (Routine)
Petrusberg (Pol)	South Africa	Record daily precipitation	67.3 mm (2.6 in)	24 of 100 (Routine)
Saint Leo	United States	Record daily precipitation	37.1 mm (1.5 in)	24 of 100 (Routine)
Palakonda	India	Record daily precipitation	53.3 mm (2.1 in)	23 of 100 (Routine)
Nalbari	India	Record daily precipitation	36.8 mm (1.4 in)	23 of 100 (Routine)
Halflong Obsy	India	Record daily precipitation	54.9 mm (2.2 in)	23 of 100 (Routine)
Verhojansk	Russia	Record high minimum temperature	-12.1 C (10.2 F)	23 of 100 (Routine)
Blikana	South Africa	Record daily precipitation	63.5 mm (2.5 in)	23 of 100 (Routine)
Grootvlei (Pol)	South Africa	Record daily precipitation	33.0 mm (1.3 in)	23 of 100 (Routine)
Howell Wwtp	United States	Record daily snowfall	10.2 cm (4.0 in)	23 of 100 (Routine)
Paris	Canada	Record low minimum temperature	-20.6 C (-5.1 F)	22 of 100 (Routine)
Amchong(Sonepur)	India	Record daily precipitation	30.5 mm (1.2 in)	22 of 100 (Routine)
Shillong	India	Record daily precipitation	27.7 mm (1.1 in)	22 of 100 (Routine)
Kirensk	Russia	Record high minimum temperature	3.2 C (37.8 F)	22 of 100 (Routine)
Rockwell City	United States	Record daily snowfall	5.1 cm (2.0 in)	22 of 100 (Routine)
Moorhead St Teachers C	United States	Record low maximum temperature	-14.4 C (6.1 F)	22 of 100 (Routine)
Dhakuakhana	India	Record daily precipitation	34.3 mm (1.4 in)	21 of 100 (Routine)
Sairang	India	Record daily precipitation	34.5 mm (1.4 in)	21 of 100 (Routine)

Counts by Type and Timescale

366 records

Records set or tied on 21 March 1940 by type: Highest daily maximum 32, Lowest daily maximum 34, Highest daily minimum 12, Lowest daily minimum 34, Heaviest daily rainfall 220, Heaviest daily snowfall 29, Deepest snow cover 5.

Records on 21 March 1940 by type
Record type	Records
Highest daily maximum	32
Lowest daily maximum	34
Highest daily minimum	12
Lowest daily minimum	34
Heaviest daily rainfall	220
Heaviest daily snowfall	29
Deepest snow cover	5

Records on 21 March 1940 by timescale: all-time 1, monthly 9, daily 356.

How Much Records Were Beaten By

317 broken records

Margins by which the 317 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 279.0. Ties are not counted.

Top 20 by Significance

21 March 1940

Top 20 records on 21 March 1940 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 March 1940	Gondwara(Kohra), IN	monthly rain	43.9 mm (1.7 in)	23.6 mm (0.9 in)	20 years	60 of 100 (Major)
21 March 1940	Huntsville, CA	daily snowfall	33.0 cm (13.0 in)	27.9 cm (11.0 in)	43 years	59 of 100 (Notable)
21 March 1940	Oranje, ZA	all-time rain	101.6 mm (4.0 in)	29.7 mm (1.2 in)	16 years	50 of 100 (Notable)
21 March 1940	Mount Forest, CA	daily snowfall	17.3 cm (6.8 in)	14.8 cm (5.8 in)	18 years	47 of 100 (Notable)
21 March 1940	Balumath, IN	daily rain	38.9 mm (1.5 in)	26.2 mm (1.0 in)	33 years	43 of 100 (Notable)
21 March 1940	Pachet(Kharai), IN	daily rain	77.2 mm (3.0 in)	77.2 mm (3.0 in)	32 years	43 of 100 (Notable)
21 March 1940	Sorell (Whitlea), AU	daily rain	37.6 mm (1.5 in)	25.7 mm (1.0 in)	9 years	42 of 100 (Notable)
21 March 1940	Baunsi, IN	daily rain	49.0 mm (1.9 in)	42.6 mm (1.7 in)	23 years	42 of 100 (Notable)
21 March 1940	Mnt Fletcher (Tnk), ZA	monthly rain	55.1 mm (2.2 in)	9.4 mm (0.37 in)	41 years	40 of 100 (Notable)
21 March 1940	De Wagendrift, ZA	daily rain	54.6 mm (2.1 in)	38.9 mm (1.5 in)	20 years	40 of 100 (Notable)
21 March 1940	Kampur, IN	daily rain	25.7 mm (1.0 in)	18.8 mm (0.7 in)	30 years	38 of 100 (Notable)
21 March 1940	Huntsville, CA	daily rain	33.0 mm (1.3 in)	21.8 mm (0.9 in)	7 years	37 of 100 (Notable)
21 March 1940	Kukrahati, IN	daily rain	67.3 mm (2.6 in)	47.2 mm (1.9 in)	35 years	37 of 100 (Notable)
21 March 1940	Mongpoo, IN	daily rain	38.1 mm (1.5 in)	24.1 mm (0.9 in)	38 years	36 of 100 (Notable)
21 March 1940	Basirhat, IN	daily rain	41.1 mm (1.6 in)	35.5 mm (1.4 in)	5 years	36 of 100 (Notable)
21 March 1940	Kishanganj, IN	daily rain	27.2 mm (1.1 in)	24.7 mm (1.0 in)	37 years	35 of 100 (Notable)
21 March 1940	Khutauna, IN	monthly rain	52.3 mm (2.1 in)	13.4 mm (0.5 in)	29 years	34 of 100 (Routine)
21 March 1940	Mahendraganj, IN	daily rain	35.6 mm (1.4 in)	33.6 mm (1.3 in)	22 years	34 of 100 (Routine)
21 March 1940	Dharmasala, IN	daily rain	47.2 mm (1.9 in)	29.2 mm (1.1 in)	35 years	34 of 100 (Routine)
21 March 1940	Sagunbari, IN	daily rain	36.8 mm (1.4 in)	14.2 mm (0.6 in)	38 years	33 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

1797 to 1940

Records set or tied on this calendar date in each year from 1797 to 1940. 1940 had 366 records.

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

Records on 03-21 in each year
Year	Records
1797	2
1805	1
1806	1
1822	1
1830	1
1836	1
1837	1
1845	1
1846	1
1850	1
1852	2
1857	1
1865	7
1874	1
1877	1
1880	1
1881	1
1883	2
1884	1
1885	5
1886	2
1888	1
1890	3
1892	1
1893	1
1894	1
1895	1
1896	2
1897	2
1898	3
1899	4
1900	4
1901	9
1902	18
1903	23
1904	17
1905	6
1906	3
1907	14
1908	3
1909	11
1910	10
1911	10
1912	36
1913	97
1914	71
1915	27
1916	44
1917	43
1918	43
1919	29
1920	90
1921	96
1922	50
1923	72
1924	96
1925	141
1926	282
1927	179
1928	293
1929	104
1930	99
1931	638
1932	305
1933	235
1934	114
1935	675
1936	225
1937	172
1938	783
1939	280
1940	366
1941	311
1942	330
1943	217
1944	556
1945	294
1946	570
1947	192
1948	948
1949	330
1950	398
1951	779
1952	689
1953	342
1954	211
1955	1,124
1956	686
1957	373
1958	619
1959	230
1960	892
1961	268
1962	548
1963	298
1964	333
1965	1,961
1966	464
1967	487
1968	798
1969	219
1970	612
1971	358
1972	519
1973	385
1974	1,097
1975	751
1976	710
1977	376
1978	838
1979	656
1980	775
1981	676
1982	850
1983	1,673
1984	835
1985	503
1986	1,170
1987	948
1988	1,155
1989	1,396
1990	1,380
1991	1,446
1992	877
1993	687
1994	684
1995	1,141
1996	1,119
1997	1,670
1998	935
1999	1,044
2000	802
2001	1,342
2002	1,593
2003	1,073
2004	1,511
2005	649
2006	1,417
2007	1,220
2008	734
2009	558
2010	1,134
2011	1,451
2012	2,854
2013	727
2014	639
2015	568
2016	553
2017	1,117
2018	809
2019	649
2020	445
2021	489
2022	615
2023	815
2024	432
2025	845
2026	2,614

Download the Data

Data for records on 1940-03-21: 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	306
50 to 100	8
100 to 150	2
150 to 200	0
200 to 250	0
250 to 300	1