Weather Records on 20 March 1946

435 weather records were set or tied worldwide on 20 March 1946. Highest significance: Grand View 4 NW, US.

Key Facts for 20 March 1946

On 20 March 1946, 435 weather records were set or tied at long-record stations worldwide.
180 were record highs and 63 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 14 monthly and 421 daily.
Grand View 4 NW set a monthly record daily precipitation of 41.9 mm (1.6 in) on 20 March 1946.
Across 166 earlier years (1808 to 2026) the same calendar date averaged 455 records.

Record Map

435 stations

435 station records on 20 March 1946 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 March 1946: highest significance records shown on the map
Station	Country	Type	Value	Significance
Grand View 4 NW	United States	Record daily precipitation	41.9 mm (1.6 in)	55 of 100 (Notable)
Bagodar I	India	Record daily precipitation	78.7 mm (3.1 in)	51 of 100 (Notable)
Potchefstroom	South Africa	Record daily precipitation	62.7 mm (2.5 in)	49 of 100 (Notable)
Netarhat	India	Record daily precipitation	69.9 mm (2.8 in)	45 of 100 (Notable)
Kodaikanal	India	Record daily precipitation	74.2 mm (2.9 in)	44 of 100 (Notable)
Amersfoort (Pol)	South Africa	Record daily precipitation	65.5 mm (2.6 in)	43 of 100 (Notable)
Badplaas (Pol)	South Africa	Record daily precipitation	61.0 mm (2.4 in)	43 of 100 (Notable)
American Falls 6 NE	United States	Record daily precipitation	39.9 mm (1.6 in)	43 of 100 (Notable)
Malayattur	India	Record daily precipitation	65.3 mm (2.6 in)	40 of 100 (Notable)
Warsaw 2 NW	United States	Record daily precipitation	63.5 mm (2.5 in)	39 of 100 (Notable)
Martins	Brazil	Record daily precipitation	111.1 mm (4.4 in)	38 of 100 (Notable)
Aberdeen Exp STN	United States	Record daily precipitation	31.0 mm (1.2 in)	36 of 100 (Notable)
Tshakhuma	South Africa	Record daily precipitation	130.0 mm (5.1 in)	35 of 100 (Notable)
Currais Novos	Brazil	Record daily precipitation	57.5 mm (2.3 in)	34 of 100 (Routine)
Winnemucca AP	United States	Record daily snowfall	11.4 cm (4.5 in)	34 of 100 (Routine)
Lambertina	South Africa	Record daily precipitation	51.8 mm (2.0 in)	33 of 100 (Routine)
Thadikarekonam	India	Record daily precipitation	63.5 mm (2.5 in)	32 of 100 (Routine)
Sibasa	South Africa	Record daily precipitation	113.0 mm (4.4 in)	32 of 100 (Routine)
Stewart	Canada	Record daily snowfall	30.5 cm (12.0 in)	31 of 100 (Routine)
Heritage	South Africa	Record daily precipitation	33.0 mm (1.3 in)	31 of 100 (Routine)
Verkykerskop (Pol)	South Africa	Record daily precipitation	34.0 mm (1.3 in)	31 of 100 (Routine)
Stewart	Canada	Record daily precipitation	30.5 mm (1.2 in)	30 of 100 (Routine)
Hardwar Mayapur	India	Record daily precipitation	30.5 mm (1.2 in)	30 of 100 (Routine)
Huntley Exp STN	United States	Record daily precipitation	25.9 mm (1.0 in)	30 of 100 (Routine)
Emerson	Canada	Record high minimum temperature	0.0 C (32.0 F)	29 of 100 (Routine)
Rietpoort	South Africa	Record daily precipitation	57.9 mm (2.3 in)	29 of 100 (Routine)
Dullstroom (Sar)	South Africa	Record daily precipitation	52.1 mm (2.1 in)	29 of 100 (Routine)
San German 4 W	Puerto Rico [United States]	Record low maximum temperature	25.6 C (78.1 F)	28 of 100 (Routine)
Long Beach Pub Svc	United States	Record daily precipitation	30.7 mm (1.2 in)	28 of 100 (Routine)
Prince Rupert	Canada	Record daily precipitation	62.7 mm (2.5 in)	27 of 100 (Routine)
Alwaye Pwd	India	Record daily precipitation	27.7 mm (1.1 in)	27 of 100 (Routine)
Gore Bay	Canada	Record high maximum temperature	18.9 C (66.0 F)	26 of 100 (Routine)
Marayur	India	Record daily precipitation	69.9 mm (2.8 in)	26 of 100 (Routine)
Yarima	South Africa	Record daily precipitation	41.1 mm (1.6 in)	26 of 100 (Routine)
Hendrikspan (Skl)	South Africa	Record daily precipitation	36.1 mm (1.4 in)	26 of 100 (Routine)
Rolfontein	South Africa	Record daily precipitation	72.6 mm (2.9 in)	26 of 100 (Routine)
Wonderfontein (Skl)	South Africa	Record daily precipitation	43.4 mm (1.7 in)	26 of 100 (Routine)
Armagh	United Kingdom	Record high maximum temperature	18.9 C (66.0 F)	26 of 100 (Routine)
Los Angeles Downtown/Usc	United States	Record low maximum temperature	10.0 C (50.0 F)	26 of 100 (Routine)
Harrismith (Tnk)	South Africa	Record daily precipitation	27.2 mm (1.1 in)	25 of 100 (Routine)
Woodfort	South Africa	Record daily precipitation	32.5 mm (1.3 in)	25 of 100 (Routine)
Potgietersrus	South Africa	Record daily precipitation	31.0 mm (1.2 in)	25 of 100 (Routine)
Willcox	United States	Record high minimum temperature	10.6 C (51.1 F)	25 of 100 (Routine)
Lohar-Daga	India	Record daily precipitation	32.0 mm (1.3 in)	24 of 100 (Routine)
Represa	United States	Record low maximum temperature	7.8 C (46.0 F)	24 of 100 (Routine)
San Bernardino F S 226	United States	Record low maximum temperature	8.9 C (48.0 F)	24 of 100 (Routine)
Portage la Prairie	Canada	Record high minimum temperature	-0.6 C (30.9 F)	23 of 100 (Routine)
Eerstegeluk	South Africa	Record daily precipitation	26.9 mm (1.1 in)	23 of 100 (Routine)
Vrede-Mun	South Africa	Record daily precipitation	45.7 mm (1.8 in)	23 of 100 (Routine)
Paardekopplaas	South Africa	Record daily precipitation	28.2 mm (1.1 in)	23 of 100 (Routine)
Ottoshoop (Pol)	South Africa	Record daily precipitation	34.8 mm (1.4 in)	23 of 100 (Routine)
Middlekop (Bos)	South Africa	Record daily precipitation	58.4 mm (2.3 in)	23 of 100 (Routine)
Douglas Smelter	United States	Record high minimum temperature	13.9 C (57.0 F)	23 of 100 (Routine)
Marysville	United States	Record low maximum temperature	8.9 C (48.0 F)	23 of 100 (Routine)
Mackay Post Office	Australia	Record high maximum temperature	34.4 C (93.9 F)	22 of 100 (Routine)
Pembroke Eddy Match	Canada	Record high maximum temperature	15.6 C (60.1 F)	22 of 100 (Routine)
Saint John	Canada	Record high maximum temperature	12.2 C (54.0 F)	22 of 100 (Routine)
Zugspitze	Germany	Record snow depth	570.0 cm (224.4 in)	22 of 100 (Routine)
Campbell (Mun)	South Africa	Record daily precipitation	41.1 mm (1.6 in)	22 of 100 (Routine)
Kestell (Pol)	South Africa	Record daily precipitation	25.9 mm (1.0 in)	22 of 100 (Routine)

Counts by Type and Timescale

435 records

Records set or tied on 20 March 1946 by type: Highest daily maximum 87, Lowest daily maximum 53, Highest daily minimum 93, Lowest daily minimum 10, Heaviest daily rainfall 176, Heaviest daily snowfall 13, Deepest snow cover 3.

Records on 20 March 1946 by type
Record type	Records
Highest daily maximum	87
Lowest daily maximum	53
Highest daily minimum	93
Lowest daily minimum	10
Heaviest daily rainfall	176
Heaviest daily snowfall	13
Deepest snow cover	3

Records on 20 March 1946 by timescale: all-time 0, monthly 14, daily 421.

How Much Records Were Beaten By

353 broken records

Margins by which the 353 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 1000.0. Ties are not counted.

Top 20 by Significance

20 March 1946

Top 20 records on 20 March 1946 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 March 1946	Grand View 4 NW, US	monthly rain	41.9 mm (1.6 in)	24.1 mm (0.9 in)	8 years	55 of 100 (Notable)
20 March 1946	Bagodar I, IN	monthly rain	78.7 mm (3.1 in)	29.9 mm (1.2 in)	41 years	51 of 100 (Notable)
20 March 1946	Potchefstroom, ZA	daily rain	62.7 mm (2.5 in)	48.5 mm (1.9 in)	16 years	49 of 100 (Notable)
20 March 1946	Netarhat, IN	monthly rain	69.9 mm (2.8 in)	29.5 mm (1.2 in)	6 years	45 of 100 (Notable)
20 March 1946	Kodaikanal, IN	daily rain	74.2 mm (2.9 in)	55.7 mm (2.2 in)	1 year	44 of 100 (Notable)
20 March 1946	Amersfoort (Pol), ZA	daily rain	65.5 mm (2.6 in)	39.3 mm (1.5 in)	31 years	43 of 100 (Notable)
20 March 1946	Badplaas (Pol), ZA	daily rain	61.0 mm (2.4 in)	42.2 mm (1.7 in)	33 years	43 of 100 (Notable)
20 March 1946	American Falls 6 NE, US	daily rain	39.9 mm (1.6 in)	20.1 mm (0.8 in)	4 years	43 of 100 (Notable)
20 March 1946	Malayattur, IN	daily rain	65.3 mm (2.6 in)	51.6 mm (2.0 in)	9 years	40 of 100 (Notable)
20 March 1946	Warsaw 2 NW, US	daily rain	63.5 mm (2.5 in)	25.9 mm (1.0 in)	44 years	39 of 100 (Notable)
20 March 1946	Martins, BR	daily rain	111.1 mm (4.4 in)	57.1 mm (2.2 in)	25 years	38 of 100 (Notable)
20 March 1946	Aberdeen Exp STN, US	monthly rain	31.0 mm (1.2 in)	8.1 mm (0.32 in)	4 years	36 of 100 (Notable)
20 March 1946	Tshakhuma, ZA	daily rain	130.0 mm (5.1 in)	68.5 mm (2.7 in)	12 years	35 of 100 (Notable)
20 March 1946	Currais Novos, BR	daily rain	57.5 mm (2.3 in)	45.0 mm (1.8 in)	11 years	34 of 100 (Routine)
20 March 1946	Winnemucca AP, US	daily snowfall	11.4 cm (4.5 in)	3.8 cm (1.5 in)	52 years	34 of 100 (Routine)
20 March 1946	Lambertina, ZA	daily rain	51.8 mm (2.0 in)	28.9 mm (1.1 in)	25 years	33 of 100 (Routine)
20 March 1946	Thadikarekonam, IN	daily rain	63.5 mm (2.5 in)	25.4 mm (1.0 in)	23 years	32 of 100 (Routine)
20 March 1946	Sibasa, ZA	daily rain	113.0 mm (4.4 in)	76.9 mm (3.0 in)	12 years	32 of 100 (Routine)
20 March 1946	Stewart, CA	daily snowfall	30.5 cm (12.0 in)	16.5 cm (6.5 in)	27 years	31 of 100 (Routine)
20 March 1946	Heritage, ZA	daily rain	33.0 mm (1.3 in)	20.0 mm (0.8 in)	32 years	31 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

1808 to 1946

Records set or tied on this calendar date in each year from 1808 to 1946. 1946 had 435 records.

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

Records on 03-20 in each year
Year	Records
1808	3
1818	1
1822	2
1830	1
1834	1
1838	1
1845	1
1849	3
1850	1
1852	1
1853	1
1858	1
1862	1
1865	11
1866	1
1870	1
1872	2
1873	1
1874	2
1875	2
1876	2
1879	2
1881	2
1882	2
1883	1
1884	2
1885	3
1886	2
1887	3
1888	5
1889	5
1890	1
1892	1
1893	2
1894	5
1895	2
1896	5
1897	2
1898	5
1899	9
1900	8
1901	6
1902	13
1903	34
1904	12
1905	6
1906	16
1907	17
1908	4
1909	6
1910	20
1911	35
1912	12
1913	42
1914	51
1915	22
1916	46
1917	49
1918	40
1919	31
1920	52
1921	93
1922	49
1923	275
1924	76
1925	121
1926	103
1927	298
1928	258
1929	56
1930	86
1931	492
1932	117
1933	354
1934	243
1935	408
1936	245
1937	220
1938	394
1939	240
1940	486
1941	390
1942	325
1943	378
1944	611
1945	636
1946	435
1947	299
1948	697
1949	352
1950	367
1951	788
1952	589
1953	350
1954	303
1955	719
1956	527
1957	516
1958	467
1959	293
1960	594
1961	332
1962	363
1963	447
1964	525
1965	2,020
1966	367
1967	784
1968	819
1969	374
1970	912
1971	377
1972	635
1973	422
1974	755
1975	932
1976	989
1977	352
1978	863
1979	712
1980	458
1981	712
1982	1,189
1983	1,179
1984	775
1985	636
1986	666
1987	867
1988	1,044
1989	793
1990	1,496
1991	1,205
1992	654
1993	1,014
1994	1,040
1995	857
1996	1,147
1997	1,801
1998	963
1999	793
2000	894
2001	1,048
2002	1,698
2003	1,166
2004	1,701
2005	602
2006	1,353
2007	1,053
2008	993
2009	445
2010	1,264
2011	1,003
2012	3,051
2013	762
2014	800
2015	521
2016	450
2017	1,331
2018	587
2019	530
2020	1,006
2021	487
2022	667
2023	975
2024	520
2025	848
2026	3,126

Download the Data

Data for records on 1946-03-20: 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 2026-10-17 (17 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 200	352
200 to 400	0
400 to 600	0
600 to 800	0
800 to 1000	1