Weather Records on 21 March 1946

570 weather records were set or tied worldwide on 21 March 1946. Highest significance: Camp Crook, US.

Key Facts for 21 March 1946

On 21 March 1946, 570 weather records were set or tied at long-record stations worldwide.
178 were record highs and 35 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 19 monthly and 549 daily.
Camp Crook set a monthly record daily precipitation of 42.2 mm (1.7 in) on 21 March 1946.
Across 157 earlier years (1797 to 2026) the same calendar date averaged 482 records.

Record Map

570 stations

570 station records on 21 March 1946 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 March 1946: highest significance records shown on the map
Station	Country	Type	Value	Significance
Camp Crook	United States	Record daily precipitation	42.2 mm (1.7 in)	62 of 100 (Major)
Lovell	United States	Record daily precipitation	26.7 mm (1.1 in)	61 of 100 (Major)
Cwebe	South Africa	Record daily precipitation	100.3 mm (3.9 in)	55 of 100 (Notable)
Camp Crook	United States	Record daily snowfall	40.6 cm (16.0 in)	54 of 100 (Notable)
Colony	United States	Record daily precipitation	29.5 mm (1.2 in)	51 of 100 (Notable)
Cyferfontein	South Africa	Record daily precipitation	61.0 mm (2.4 in)	49 of 100 (Notable)
Westminter Estate	South Africa	Record daily precipitation	60.7 mm (2.4 in)	49 of 100 (Notable)
Ventersburg (Mag)	South Africa	Record daily precipitation	54.1 mm (2.1 in)	49 of 100 (Notable)
Bridger 2 N	United States	Record daily precipitation	29.2 mm (1.1 in)	48 of 100 (Notable)
Bothaville (Mun)	South Africa	Record daily precipitation	114.3 mm (4.5 in)	47 of 100 (Notable)
Gillette 3SE	United States	Record daily precipitation	30.5 mm (1.2 in)	47 of 100 (Notable)
Reddersburg (Pol)	South Africa	Record daily precipitation	60.2 mm (2.4 in)	46 of 100 (Notable)
Wonderboom	South Africa	Record daily precipitation	53.8 mm (2.1 in)	45 of 100 (Notable)
Spearfish	United States	Record daily precipitation	35.1 mm (1.4 in)	45 of 100 (Notable)
Colony	United States	Record daily snowfall	30.5 cm (12.0 in)	44 of 100 (Notable)
Jammalamadugu	India	Record daily precipitation	26.7 mm (1.1 in)	43 of 100 (Notable)
Mqanduli (Tnk)	South Africa	Record daily precipitation	53.3 mm (2.1 in)	43 of 100 (Notable)
Spearfish	United States	Record daily snowfall	34.0 cm (13.4 in)	42 of 100 (Notable)
Vale	United States	Record daily snowfall	15.2 cm (6.0 in)	41 of 100 (Notable)
Komga (Pol)	South Africa	Record daily precipitation	48.5 mm (1.9 in)	40 of 100 (Notable)
Flora	South Africa	Record daily precipitation	64.5 mm (2.5 in)	40 of 100 (Notable)
Syferfontein	South Africa	Record daily precipitation	83.1 mm (3.3 in)	39 of 100 (Notable)
Izeleni (Bos)	South Africa	Record daily precipitation	56.9 mm (2.2 in)	38 of 100 (Notable)
Lead	United States	Record daily precipitation	27.9 mm (1.1 in)	38 of 100 (Notable)
Hanover (Pol)	South Africa	Record daily precipitation	48.0 mm (1.9 in)	36 of 100 (Notable)
Hughenden	South Africa	Record daily precipitation	43.2 mm (1.7 in)	36 of 100 (Notable)
Kirklington	South Africa	Record daily precipitation	42.4 mm (1.7 in)	36 of 100 (Notable)
Ottoshoop (Pol)	South Africa	Record daily precipitation	48.3 mm (1.9 in)	36 of 100 (Notable)
Dewetsdorp (Pol)	South Africa	Record daily precipitation	72.6 mm (2.9 in)	35 of 100 (Notable)
Jacobsdal (Pol)	South Africa	Record daily precipitation	36.1 mm (1.4 in)	34 of 100 (Routine)
Potchefstroom Agr.	South Africa	Record daily precipitation	62.7 mm (2.5 in)	34 of 100 (Routine)
Chainpur	India	Record daily precipitation	29.2 mm (1.1 in)	33 of 100 (Routine)
Palani	India	Record daily precipitation	28.2 mm (1.1 in)	33 of 100 (Routine)
Harkerville (Bos)	South Africa	Record daily precipitation	57.4 mm (2.3 in)	33 of 100 (Routine)
Koffiefontein (Pol)	South Africa	Record daily precipitation	30.7 mm (1.2 in)	32 of 100 (Routine)
Bloemfontein Airpor	South Africa	Record daily precipitation	79.8 mm (3.1 in)	32 of 100 (Routine)
Bloemfontein Kings Park	South Africa	Record daily precipitation	79.2 mm (3.1 in)	31 of 100 (Routine)
Winburg (Pol)	South Africa	Record daily precipitation	80.3 mm (3.2 in)	31 of 100 (Routine)
Altamura	South Africa	Record daily precipitation	41.9 mm (1.6 in)	31 of 100 (Routine)
Dunkeld	South Africa	Record daily precipitation	43.2 mm (1.7 in)	31 of 100 (Routine)
Zwartruggens (Pol)	South Africa	Record daily precipitation	37.1 mm (1.5 in)	31 of 100 (Routine)
Hopewell	South Africa	Record daily precipitation	50.0 mm (2.0 in)	30 of 100 (Routine)
Dunmurray	South Africa	Record daily precipitation	54.6 mm (2.1 in)	30 of 100 (Routine)
Odendaalsrus	South Africa	Record daily precipitation	76.2 mm (3.0 in)	30 of 100 (Routine)
Leeuspruit Wes	South Africa	Record daily precipitation	39.6 mm (1.6 in)	30 of 100 (Routine)
Heilbron (Tnk)	South Africa	Record daily precipitation	34.3 mm (1.4 in)	30 of 100 (Routine)
Ficksburg	South Africa	Record daily precipitation	32.3 mm (1.3 in)	29 of 100 (Routine)
Barletta	South Africa	Record daily precipitation	57.2 mm (2.3 in)	28 of 100 (Routine)
Jiggs 3 N	United States	Record daily snowfall	19.1 cm (7.5 in)	28 of 100 (Routine)
Chicoutimi	Canada	Record high maximum temperature	12.8 C (55.0 F)	27 of 100 (Routine)
Elliotdale (Tnk)	South Africa	Record daily precipitation	54.6 mm (2.1 in)	27 of 100 (Routine)
Biesjesfontein	South Africa	Record daily precipitation	35.6 mm (1.4 in)	27 of 100 (Routine)
Parys (Mun)	South Africa	Record daily precipitation	41.9 mm (1.6 in)	27 of 100 (Routine)
Donkerhoek (Skl)	South Africa	Record daily precipitation	32.5 mm (1.3 in)	27 of 100 (Routine)
Elandspoort	South Africa	Record daily precipitation	44.5 mm (1.8 in)	27 of 100 (Routine)
Humansdorp (Pol)	South Africa	Record daily precipitation	45.7 mm (1.8 in)	26 of 100 (Routine)
Luckhoff (Pol)	South Africa	Record daily precipitation	28.2 mm (1.1 in)	26 of 100 (Routine)
Bulsfontein	South Africa	Record daily precipitation	66.0 mm (2.6 in)	26 of 100 (Routine)
Ladybrand (Skl)	South Africa	Record daily precipitation	58.4 mm (2.3 in)	26 of 100 (Routine)
Ft Yates 4 SW	United States	Record daily precipitation	30.5 mm (1.2 in)	26 of 100 (Routine)

Counts by Type and Timescale

570 records

Records set or tied on 21 March 1946 by type: Highest daily maximum 77, Lowest daily maximum 22, Highest daily minimum 101, Lowest daily minimum 13, Heaviest daily rainfall 336, Heaviest daily snowfall 18, Deepest snow cover 3.

Records on 21 March 1946 by type
Record type	Records
Highest daily maximum	77
Lowest daily maximum	22
Highest daily minimum	101
Lowest daily minimum	13
Heaviest daily rainfall	336
Heaviest daily snowfall	18
Deepest snow cover	3

Records on 21 March 1946 by timescale: all-time 2, monthly 19, daily 549.

How Much Records Were Beaten By

505 broken records

Margins by which the 505 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 900.0. Ties are not counted.

Top 20 by Significance

21 March 1946

Top 20 records on 21 March 1946 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 March 1946	Camp Crook, US	monthly rain	42.2 mm (1.7 in)	20.4 mm (0.8 in)	26 years	62 of 100 (Major)
21 March 1946	Lovell, US	monthly rain	26.7 mm (1.1 in)	14.5 mm (0.6 in)	21 years	61 of 100 (Major)
21 March 1946	Cwebe, ZA	daily rain	100.3 mm (3.9 in)	83.5 mm (3.3 in)	37 years	55 of 100 (Notable)
21 March 1946	Camp Crook, US	all-time snowfall	40.6 cm (16.0 in)	10.1 cm (4.0 in)	32 years	54 of 100 (Notable)
21 March 1946	Colony, US	daily rain	29.5 mm (1.2 in)	23.1 mm (0.9 in)	29 years	51 of 100 (Notable)
21 March 1946	Cyferfontein, ZA	daily rain	61.0 mm (2.4 in)	38.4 mm (1.5 in)	20 years	49 of 100 (Notable)
21 March 1946	Westminter Estate, ZA	daily rain	60.7 mm (2.4 in)	41.6 mm (1.6 in)	28 years	49 of 100 (Notable)
21 March 1946	Ventersburg (Mag), ZA	daily rain	54.1 mm (2.1 in)	45.5 mm (1.8 in)	16 years	49 of 100 (Notable)
21 March 1946	Bridger 2 N, US	monthly rain	29.2 mm (1.1 in)	11.4 mm (0.4 in)	14 years	48 of 100 (Notable)
21 March 1946	Bothaville (Mun), ZA	all-time rain	114.3 mm (4.5 in)	26.7 mm (1.1 in)	5 years	47 of 100 (Notable)
21 March 1946	Gillette 3SE, US	daily rain	30.5 mm (1.2 in)	25.4 mm (1.0 in)	12 years	47 of 100 (Notable)
21 March 1946	Reddersburg (Pol), ZA	daily rain	60.2 mm (2.4 in)	39.9 mm (1.6 in)	20 years	46 of 100 (Notable)
21 March 1946	Wonderboom, ZA	daily rain	53.8 mm (2.1 in)	39.8 mm (1.6 in)	20 years	45 of 100 (Notable)
21 March 1946	Spearfish, US	daily rain	35.1 mm (1.4 in)	26.7 mm (1.1 in)	29 years	45 of 100 (Notable)
21 March 1946	Colony, US	daily snowfall	30.5 cm (12.0 in)	25.4 cm (10.0 in)	5 years	44 of 100 (Notable)
21 March 1946	Jammalamadugu, IN	daily rain	26.7 mm (1.1 in)	26.7 mm (1.1 in)	44 years	43 of 100 (Notable)
21 March 1946	Mqanduli (Tnk), ZA	daily rain	53.3 mm (2.1 in)	25.9 mm (1.0 in)	40 years	43 of 100 (Notable)
21 March 1946	Spearfish, US	daily snowfall	34.0 cm (13.4 in)	26.4 cm (10.4 in)	47 years	42 of 100 (Notable)
21 March 1946	Vale, US	daily snowfall	15.2 cm (6.0 in)	15.2 cm (6.0 in)	37 years	41 of 100 (Notable)
21 March 1946	Komga (Pol), ZA	daily rain	48.5 mm (1.9 in)	21.1 mm (0.8 in)	48 years	40 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

1797 to 1946

Records set or tied on this calendar date in each year from 1797 to 1946. 1946 had 570 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 1946-03-21: 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 200	502
200 to 400	2
400 to 600	0
600 to 800	0
800 to 1000	1