Weather Records on 21 March 1943

217 weather records were set or tied worldwide on 21 March 1943. Highest significance: Union Springs 9 S, US.

Key Facts for 21 March 1943

On 21 March 1943, 217 weather records were set or tied at long-record stations worldwide.
4 were record highs and 85 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 5 monthly and 212 daily.
Union Springs 9 S set a daily record precipitation of 175.3 mm (6.9 in) on 21 March 1943.
Across 157 earlier years (1797 to 2026) the same calendar date averaged 484 records.

Record Map

217 stations

217 station records on 21 March 1943 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 March 1943: highest significance records shown on the map
Station	Country	Type	Value	Significance
Union Springs 9 S	United States	Record daily precipitation	175.3 mm (6.9 in)	55 of 100 (Notable)
Prattville	United States	Record daily precipitation	110.0 mm (4.3 in)	48 of 100 (Notable)
Columbus Dardc	United States	Record daily precipitation	132.1 mm (5.2 in)	48 of 100 (Notable)
Kodavasal	India	Record daily precipitation	62.2 mm (2.4 in)	45 of 100 (Notable)
Dickinson Exp STN	United States	Record snow depth	20.3 cm (8.0 in)	41 of 100 (Notable)
Hattiesburg 5SW	United States	Record daily precipitation	112.5 mm (4.4 in)	36 of 100 (Notable)
Goat Rock	United States	Record daily precipitation	113.8 mm (4.5 in)	35 of 100 (Notable)
Jejuri	India	Record daily precipitation	29.2 mm (1.1 in)	34 of 100 (Routine)
Fernandina Beach	United States	Record daily precipitation	68.3 mm (2.7 in)	34 of 100 (Routine)
Columbia	United States	Record daily precipitation	111.3 mm (4.4 in)	34 of 100 (Routine)
Umari	Brazil	Record daily precipitation	80.3 mm (3.2 in)	32 of 100 (Routine)
Troy	United States	Record daily precipitation	118.1 mm (4.6 in)	32 of 100 (Routine)
Pinopolis	United States	Record daily precipitation	73.9 mm (2.9 in)	32 of 100 (Routine)
Monticello	United States	Record daily precipitation	118.6 mm (4.7 in)	31 of 100 (Routine)
Portage la Prairie	Canada	Record low minimum temperature	-16.7 C (1.9 F)	29 of 100 (Routine)
Valangiman	India	Record daily precipitation	45.7 mm (1.8 in)	29 of 100 (Routine)
Millen 4 N	United States	Record daily precipitation	58.4 mm (2.3 in)	29 of 100 (Routine)
Williston Sloulin Fld	United States	Record snow depth	15.2 cm (6.0 in)	29 of 100 (Routine)
Dunderlandsdalen	Norway	Record snow depth	230.0 cm (90.6 in)	28 of 100 (Routine)
Jefferson 2 E	United States	Record daily snowfall	15.2 cm (6.0 in)	28 of 100 (Routine)
Asheville	United States	Record daily precipitation	28.7 mm (1.1 in)	28 of 100 (Routine)
Muzaffarbad	Pakistan	Record daily precipitation	48.8 mm (1.9 in)	27 of 100 (Routine)
Avon Park 2 W	United States	Record daily precipitation	25.9 mm (1.0 in)	27 of 100 (Routine)
Crosby	United States	Record snow depth	48.3 cm (19.0 in)	27 of 100 (Routine)
Wahpeton 3 N	United States	Record snow depth	38.1 cm (15.0 in)	27 of 100 (Routine)
Eutawville	United States	Record daily precipitation	30.5 mm (1.2 in)	27 of 100 (Routine)
Moorhead St Teachers C	United States	Record snow depth	25.4 cm (10.0 in)	26 of 100 (Routine)
Grover 2 S	United States	Record low maximum temperature	-7.8 C (18.0 F)	26 of 100 (Routine)
Knoxville AP	United States	Record daily snowfall	10.7 cm (4.2 in)	26 of 100 (Routine)
Thomasville	United States	Record daily precipitation	145.5 mm (5.7 in)	25 of 100 (Routine)
Greenville	United States	Record daily precipitation	119.9 mm (4.7 in)	24 of 100 (Routine)
Macon	United States	Record daily precipitation	81.3 mm (3.2 in)	24 of 100 (Routine)
Ironwood	United States	Record snow depth	147.3 cm (58.0 in)	24 of 100 (Routine)
Brevard	United States	Record daily precipitation	36.3 mm (1.4 in)	24 of 100 (Routine)
Britton	United States	Record snow depth	38.1 cm (15.0 in)	24 of 100 (Routine)
Wetumpka	United States	Record daily precipitation	113.0 mm (4.4 in)	23 of 100 (Routine)
Milan 1NW	United States	Record low minimum temperature	-21.1 C (-6.0 F)	23 of 100 (Routine)
Willmar Wwtp	United States	Record low minimum temperature	-18.9 C (-2.0 F)	23 of 100 (Routine)
Neillsville 3ESE	United States	Record low minimum temperature	-20.6 C (-5.1 F)	23 of 100 (Routine)
Farias Brito	Brazil	Record daily precipitation	85.0 mm (3.3 in)	22 of 100 (Routine)
Milstead	United States	Record daily precipitation	122.9 mm (4.8 in)	22 of 100 (Routine)
Ozark 6 NNW	United States	Record daily precipitation	81.3 mm (3.2 in)	22 of 100 (Routine)
New Smyrna Beach	United States	Record daily precipitation	34.8 mm (1.4 in)	22 of 100 (Routine)
Lynchburg - Coop	United States	Record daily snowfall	7.1 cm (2.8 in)	22 of 100 (Routine)
Border 3 N	United States	Record low minimum temperature	-28.9 C (-20.0 F)	22 of 100 (Routine)
Richmond Chimborazo Pk	United States	Record daily snowfall	11.4 cm (4.5 in)	22 of 100 (Routine)
Butte Bert Mooney AP	United States	Record low minimum temperature	-25.6 C (-14.1 F)	22 of 100 (Routine)
Byro	Australia	Record daily precipitation	33.0 mm (1.3 in)	21 of 100 (Routine)
Fort Simpson	Canada	Record daily snowfall	12.7 cm (5.0 in)	21 of 100 (Routine)
Kamalpur	India	Record daily precipitation	25.4 mm (1.0 in)	21 of 100 (Routine)
Crescent City	United States	Record daily precipitation	32.3 mm (1.3 in)	21 of 100 (Routine)
New London	United States	Record low minimum temperature	-19.4 C (-2.9 F)	21 of 100 (Routine)
Cape May 2 NW	United States	Record daily snowfall	7.4 cm (2.9 in)	21 of 100 (Routine)
Hillsboro	United States	Record low minimum temperature	-17.8 C (0.0 F)	21 of 100 (Routine)
Steinkopf (Pol)	South Africa	Record daily precipitation	15.2 mm (0.6 in)	20 of 100 (Routine)
Zoetendals Vallei	South Africa	Record daily precipitation	23.4 mm (0.9 in)	20 of 100 (Routine)
Springbok	South Africa	Record daily precipitation	16.0 mm (0.6 in)	20 of 100 (Routine)
White Sulphur Springs	United States	Record daily snowfall	3.8 cm (1.5 in)	20 of 100 (Routine)
Mt Airy 2 W	United States	Record daily snowfall	2.5 cm (1.0 in)	20 of 100 (Routine)
Dongara	Australia	Record daily precipitation	0.3 mm (0.01 in)	20 of 100 (Routine)

Counts by Type and Timescale

217 records

Records set or tied on 21 March 1943 by type: Highest daily maximum 1, Lowest daily maximum 12, Highest daily minimum 3, Lowest daily minimum 73, Heaviest daily rainfall 91, Heaviest daily snowfall 13, Deepest snow cover 24.

Records on 21 March 1943 by type
Record type	Records
Highest daily maximum	1
Lowest daily maximum	12
Highest daily minimum	3
Lowest daily minimum	73
Heaviest daily rainfall	91
Heaviest daily snowfall	13
Deepest snow cover	24

Records on 21 March 1943 by timescale: all-time 0, monthly 5, daily 212.

How Much Records Were Beaten By

185 broken records

Margins by which the 185 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 510.0. Ties are not counted.

Top 20 by Significance

21 March 1943

Top 20 records on 21 March 1943 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 March 1943	Union Springs 9 S, US	daily rain	175.3 mm (6.9 in)	101.6 mm (4.0 in)	33 years	55 of 100 (Notable)
21 March 1943	Prattville, US	daily rain	110.0 mm (4.3 in)	67.6 mm (2.7 in)	34 years	48 of 100 (Notable)
21 March 1943	Columbus Dardc, US	daily rain	132.1 mm (5.2 in)	72.4 mm (2.9 in)	33 years	48 of 100 (Notable)
21 March 1943	Kodavasal, IN	daily rain	62.2 mm (2.4 in)	62.2 mm (2.4 in)	41 years	45 of 100 (Notable)
21 March 1943	Dickinson Exp STN, US	daily snow depth	20.3 cm (8.0 in)	15.2 cm (6.0 in)	38 years	41 of 100 (Notable)
21 March 1943	Hattiesburg 5SW, US	daily rain	112.5 mm (4.4 in)	62.2 mm (2.4 in)	0 years	36 of 100 (Notable)
21 March 1943	Goat Rock, US	daily rain	113.8 mm (4.5 in)	70.9 mm (2.8 in)	0 years	35 of 100 (Notable)
21 March 1943	Jejuri, IN	monthly rain	29.2 mm (1.1 in)	14.0 mm (0.6 in)	20 years	34 of 100 (Routine)
21 March 1943	Fernandina Beach, US	daily rain	68.3 mm (2.7 in)	31.0 mm (1.2 in)	28 years	34 of 100 (Routine)
21 March 1943	Columbia, US	daily rain	111.3 mm (4.4 in)	62.0 mm (2.4 in)	0 years	34 of 100 (Routine)
21 March 1943	Umari, BR	daily rain	80.3 mm (3.2 in)	35.3 mm (1.4 in)	28 years	32 of 100 (Routine)
21 March 1943	Troy, US	daily rain	118.1 mm (4.6 in)	75.4 mm (3.0 in)	0 years	32 of 100 (Routine)
21 March 1943	Pinopolis, US	monthly rain	73.9 mm (2.9 in)	5.6 mm (0.22 in)	46 years	32 of 100 (Routine)
21 March 1943	Monticello, US	monthly rain	118.6 mm (4.7 in)	31.0 mm (1.2 in)	8 years	31 of 100 (Routine)
21 March 1943	Portage la Prairie, CA	daily low min	-16.7 C (1.9 F)	12.3 C (22.1 F)	16 years	29 of 100 (Routine)
21 March 1943	Valangiman, IN	daily rain	45.7 mm (1.8 in)	43.2 mm (1.7 in)	18 years	29 of 100 (Routine)
21 March 1943	Millen 4 N, US	daily rain	58.4 mm (2.3 in)	35.0 mm (1.4 in)	1 year	29 of 100 (Routine)
21 March 1943	Williston Sloulin Fld, US	daily snow depth	15.2 cm (6.0 in)	15.2 cm (6.0 in)	32 years	29 of 100 (Routine)
21 March 1943	Dunderlandsdalen, NO	daily snow depth	230.0 cm (90.6 in)	51.0 cm (20.1 in)	37 years	28 of 100 (Routine)
21 March 1943	Jefferson 2 E, US	daily snowfall	15.2 cm (6.0 in)	12.7 cm (5.0 in)	18 years	28 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 1943

Records set or tied on this calendar date in each year from 1797 to 1943. 1943 had 217 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	728
2014	640
2015	568
2016	553
2017	1,117
2018	809
2019	649
2020	445
2021	489
2022	615
2023	815
2024	432
2025	845
2026	2,615

Download the Data

Data for records on 1943-03-21: 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 2026-10-15 (15 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 100	172
100 to 200	7
200 to 300	4
300 to 400	1
400 to 500	0
500 to 600	1