Weather Records on 31 March 1943

794 weather records were set or tied worldwide on 31 March 1943. Highest significance: Salem AP (McNary Field), US.

Key Facts for 31 March 1943

On 31 March 1943, 794 weather records were set or tied at long-record stations worldwide.
635 were record highs and 28 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 18 monthly and 776 daily.
Salem AP (McNary Field) set a monthly record daily precipitation of 64.8 mm (2.6 in) on 31 March 1943.
Across 155 earlier years (1808 to 2026) the same calendar date averaged 504 records.

Record Map

794 stations

794 station records on 31 March 1943 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 31 March 1943: highest significance records shown on the map
Station	Country	Type	Value	Significance
Salem AP (McNary Field)	United States	Record daily precipitation	64.8 mm (2.6 in)	40 of 100 (Notable)
Sion	Canada	Record daily snowfall	10.2 cm (4.0 in)	37 of 100 (Notable)
Ainsworth	United States	Record high minimum temperature	18.9 C (66.0 F)	36 of 100 (Notable)
Ridgetown	Canada	Record high maximum temperature	23.3 C (73.9 F)	35 of 100 (Notable)
Haugan 1 W	United States	Record daily snowfall	12.7 cm (5.0 in)	35 of 100 (Notable)
Corvallis State UNIV	United States	Record daily precipitation	44.7 mm (1.8 in)	35 of 100 (Notable)
Goderich	Canada	Record high maximum temperature	21.1 C (70.0 F)	34 of 100 (Routine)
Boreli	India	Record daily precipitation	43.9 mm (1.7 in)	34 of 100 (Routine)
Southampton	Canada	Record high minimum temperature	6.7 C (44.1 F)	30 of 100 (Routine)
Welland	Canada	Record high maximum temperature	21.1 C (70.0 F)	30 of 100 (Routine)
Toledo Blade	United States	Record high maximum temperature	26.1 C (79.0 F)	30 of 100 (Routine)
Windsor Kings College	Canada	Record low minimum temperature	-10.0 C (14.0 F)	28 of 100 (Routine)
Waterloo	United States	Record high minimum temperature	13.9 C (57.0 F)	28 of 100 (Routine)
Goderich	Canada	Record high minimum temperature	7.2 C (45.0 F)	27 of 100 (Routine)
Woodstock	Canada	Record high maximum temperature	19.4 C (66.9 F)	27 of 100 (Routine)
Streator 2SE	United States	Record high minimum temperature	13.9 C (57.0 F)	27 of 100 (Routine)
Westminster 2 SSE	United States	Record high maximum temperature	27.2 C (81.0 F)	27 of 100 (Routine)
Defiance	United States	Record high maximum temperature	27.8 C (82.0 F)	27 of 100 (Routine)
Wyee (Wyee Farms Rd)	Australia	Record daily precipitation	53.8 mm (2.1 in)	26 of 100 (Routine)
Kargil	India	Record daily precipitation	36.8 mm (1.4 in)	26 of 100 (Routine)
Jefferson 3SE	United States	Record high minimum temperature	20.6 C (69.1 F)	26 of 100 (Routine)
Mather 3 NW	United States	Record high minimum temperature	13.9 C (57.0 F)	26 of 100 (Routine)
Clunes	Australia	Record daily precipitation	101.6 mm (4.0 in)	25 of 100 (Routine)
Pipestone	United States	Record high maximum temperature	29.4 C (84.9 F)	25 of 100 (Routine)
Seal Rocks Camping Reserve	Australia	Record daily precipitation	41.1 mm (1.6 in)	24 of 100 (Routine)
East Maitland Bowling Club	Australia	Record daily precipitation	41.1 mm (1.6 in)	24 of 100 (Routine)
Norwich	United States	Record high minimum temperature	19.4 C (66.9 F)	24 of 100 (Routine)
Alma	United States	Record high minimum temperature	12.2 C (54.0 F)	24 of 100 (Routine)
Central Michigan UNIV	United States	Record high minimum temperature	12.2 C (54.0 F)	24 of 100 (Routine)
Norfolk	United States	Record high maximum temperature	32.2 C (90.0 F)	24 of 100 (Routine)
N Loup	United States	Record high maximum temperature	33.3 C (91.9 F)	24 of 100 (Routine)
Burnett 3 S	United States	Record high minimum temperature	10.0 C (50.0 F)	24 of 100 (Routine)
Viroqua	United States	Record high minimum temperature	13.3 C (55.9 F)	24 of 100 (Routine)
Listowel Downs	Australia	Record daily precipitation	40.6 mm (1.6 in)	23 of 100 (Routine)
Maitland West	Australia	Record daily precipitation	34.3 mm (1.4 in)	23 of 100 (Routine)
Zastron (Tnk)	South Africa	Record daily precipitation	35.1 mm (1.4 in)	23 of 100 (Routine)
Uppsala_Aut	Sweden	Record high minimum temperature	3.4 C (38.1 F)	23 of 100 (Routine)
Harlan	United States	Record high maximum temperature	27.2 C (81.0 F)	23 of 100 (Routine)
Big Rapids Wtp	United States	Record high minimum temperature	12.8 C (55.0 F)	23 of 100 (Routine)
Hastings	United States	Record high minimum temperature	14.4 C (57.9 F)	23 of 100 (Routine)
Wayne	United States	Record high maximum temperature	27.8 C (82.0 F)	23 of 100 (Routine)
Harrisonville	United States	Record high minimum temperature	14.4 C (57.9 F)	23 of 100 (Routine)
Brookings 2 NE	United States	Record high maximum temperature	27.8 C (82.0 F)	23 of 100 (Routine)
Howard	United States	Record high maximum temperature	28.3 C (82.9 F)	23 of 100 (Routine)
Canudos	Brazil	Record daily precipitation	61.8 mm (2.4 in)	22 of 100 (Routine)
Tartu	Estonia	Record high minimum temperature	3.0 C (37.4 F)	22 of 100 (Routine)
Reit Im Winkl	Germany	Record daily precipitation	26.0 mm (1.0 in)	22 of 100 (Routine)
St. Petersburg	Russia	Record high minimum temperature	2.6 C (36.7 F)	22 of 100 (Routine)
Olathe 3E	United States	Record high minimum temperature	16.7 C (62.1 F)	22 of 100 (Routine)
Kirksville	United States	Record high minimum temperature	15.6 C (60.1 F)	22 of 100 (Routine)
Unionville	United States	Record high minimum temperature	12.8 C (55.0 F)	22 of 100 (Routine)
Hartington	United States	Record high maximum temperature	30.0 C (86.0 F)	22 of 100 (Routine)
Defiance	United States	Record high minimum temperature	11.1 C (52.0 F)	22 of 100 (Routine)
Montpelier	United States	Record high minimum temperature	11.7 C (53.1 F)	22 of 100 (Routine)
Academy 2NE	United States	Record high maximum temperature	30.6 C (87.1 F)	22 of 100 (Routine)
Alexandria	United States	Record high maximum temperature	30.6 C (87.1 F)	22 of 100 (Routine)
Castlewood	United States	Record high maximum temperature	27.2 C (81.0 F)	22 of 100 (Routine)
Marion	United States	Record high maximum temperature	30.6 C (87.1 F)	22 of 100 (Routine)
Mitchell 2 N	United States	Record high maximum temperature	31.1 C (88.0 F)	22 of 100 (Routine)
Watertown Wwtp	United States	Record high minimum temperature	11.1 C (52.0 F)	22 of 100 (Routine)

Counts by Type and Timescale

794 records

Records set or tied on 31 March 1943 by type: Highest daily maximum 321, Lowest daily maximum 15, Highest daily minimum 314, Lowest daily minimum 13, Heaviest daily rainfall 123, Heaviest daily snowfall 4, Deepest snow cover 4.

Records on 31 March 1943 by type
Record type	Records
Highest daily maximum	321
Lowest daily maximum	15
Highest daily minimum	314
Lowest daily minimum	13
Heaviest daily rainfall	123
Heaviest daily snowfall	4
Deepest snow cover	4

Records on 31 March 1943 by timescale: all-time 0, monthly 18, daily 776.

How Much Records Were Beaten By

661 broken records

Margins by which the 661 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 240.0. Ties are not counted.

Top 20 by Significance

31 March 1943

Top 20 records on 31 March 1943 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
31 March 1943	Salem AP (McNary Field), US	monthly rain	64.8 mm (2.6 in)	16.5 mm (0.6 in)	9 years	40 of 100 (Notable)
31 March 1943	Sion, CA	daily snowfall	10.2 cm (4.0 in)	8.9 cm (3.5 in)	33 years	37 of 100 (Notable)
31 March 1943	Ainsworth, US	monthly high min	18.9 C (66.0 F)	8.9 C (16.0 F)	33 years	36 of 100 (Notable)
31 March 1943	Ridgetown, CA	daily high max	23.3 C (73.9 F)	7.7 C (13.9 F)	56 years	35 of 100 (Notable)
31 March 1943	Haugan 1 W, US	daily snowfall	12.7 cm (5.0 in)	12.7 cm (5.0 in)	30 years	35 of 100 (Notable)
31 March 1943	Corvallis State UNIV, US	daily rain	44.7 mm (1.8 in)	21.1 mm (0.8 in)	12 years	35 of 100 (Notable)
31 March 1943	Goderich, CA	daily high max	21.1 C (70.0 F)	3.9 C (7.0 F)	67 years	34 of 100 (Routine)
31 March 1943	Boreli, IN	daily rain	43.9 mm (1.7 in)	23.1 mm (0.9 in)	14 years	34 of 100 (Routine)
31 March 1943	Southampton, CA	daily high min	6.7 C (44.1 F)	2.3 C (4.1 F)	67 years	30 of 100 (Routine)
31 March 1943	Welland, CA	daily high max	21.1 C (70.0 F)	2.2 C (4.0 F)	67 years	30 of 100 (Routine)
31 March 1943	Toledo Blade, US	daily high max	26.1 C (79.0 F)	2.2 C (4.0 F)	67 years	30 of 100 (Routine)
31 March 1943	Windsor Kings College, CA	daily low min	-10.0 C (14.0 F)	2.2 C (4.0 F)	60 years	28 of 100 (Routine)
31 March 1943	Waterloo, US	daily high min	13.9 C (57.0 F)	6.7 C (12.1 F)	45 years	28 of 100 (Routine)
31 March 1943	Goderich, CA	daily high min	7.2 C (45.0 F)	0.5 C (0.9 F)	67 years	27 of 100 (Routine)
31 March 1943	Woodstock, CA	daily high max	19.4 C (66.9 F)	0.5 C (0.9 F)	67 years	27 of 100 (Routine)
31 March 1943	Streator 2SE, US	daily high min	13.9 C (57.0 F)	6.1 C (11.0 F)	38 years	27 of 100 (Routine)
31 March 1943	Westminster 2 SSE, US	daily high max	27.2 C (81.0 F)	5.5 C (9.9 F)	46 years	27 of 100 (Routine)
31 March 1943	Defiance, US	daily high max	27.8 C (82.0 F)	6.1 C (11.0 F)	46 years	27 of 100 (Routine)
31 March 1943	Wyee (Wyee Farms Rd), AU	daily rain	53.8 mm (2.1 in)	27.9 mm (1.1 in)	28 years	26 of 100 (Routine)
31 March 1943	Kargil, IN	daily rain	36.8 mm (1.4 in)	26.6 mm (1.0 in)	4 years	26 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 1943

Records set or tied on this calendar date in each year from 1808 to 1943. 1943 had 794 records.

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

Records on 03-31 in each year
Year	Records
1808	2
1815	2
1843	1
1848	1
1850	1
1854	1
1855	3
1856	2
1859	3
1865	2
1869	1
1872	4
1873	1
1874	1
1876	1
1878	1
1880	2
1881	1
1883	1
1887	2
1889	1
1890	1
1891	1
1892	2
1893	3
1896	3
1897	2
1898	5
1899	3
1900	9
1901	7
1902	3
1903	14
1904	16
1905	29
1906	10
1907	11
1908	5
1909	4
1910	45
1911	24
1912	18
1913	62
1914	16
1915	57
1916	17
1917	52
1918	42
1919	86
1920	65
1921	238
1922	102
1923	459
1924	160
1925	110
1926	306
1927	198
1928	98
1929	323
1930	137
1931	365
1932	360
1933	311
1934	181
1935	310
1936	1,242
1937	258
1938	649
1939	197
1940	697
1941	250
1942	245
1943	794
1944	327
1945	778
1946	897
1947	658
1948	355
1949	452
1950	579
1951	490
1952	382
1953	302
1954	549
1955	286
1956	767
1957	373
1958	414
1959	622
1960	327
1961	525
1962	547
1963	987
1964	1,345
1965	457
1966	845
1967	1,025
1968	504
1969	1,126
1970	945
1971	516
1972	427
1973	755
1974	852
1975	1,032
1976	519
1977	1,021
1978	1,362
1979	722
1980	640
1981	1,060
1982	926
1983	564
1984	532
1985	1,471
1986	1,507
1987	2,256
1988	850
1989	1,335
1990	842
1991	634
1992	747
1993	668
1994	871
1995	940
1996	743
1997	962
1998	2,587
1999	1,100
2000	581
2001	686
2002	861
2003	1,722
2004	1,055
2005	861
2006	1,088
2007	1,150
2008	1,471
2009	927
2010	984
2011	1,020
2012	942
2013	753
2014	631
2015	861
2016	823
2017	1,423
2018	663
2019	544
2020	534
2021	949
2022	683
2023	1,128
2024	488
2025	942
2026	1,275

Download the Data

Data for records on 1943-03-31: 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 50	658
50 to 100	1
100 to 150	1
150 to 200	0
200 to 250	1