Weather Records on 31 March 1945

778 weather records were set or tied worldwide on 31 March 1945. Highest significance: Douglas Smelter, US.

Key Facts for 31 March 1945

On 31 March 1945, 778 weather records were set or tied at long-record stations worldwide.
397 were record highs and 19 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 21 monthly and 757 daily.
Douglas Smelter set a monthly record daily precipitation of 49.0 mm (1.9 in) on 31 March 1945.
Across 155 earlier years (1808 to 2026) the same calendar date averaged 505 records.

Record Map

778 stations

778 station records on 31 March 1945 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 31 March 1945: highest significance records shown on the map
Station	Country	Type	Value	Significance
Douglas Smelter	United States	Record daily precipitation	49.0 mm (1.9 in)	61 of 100 (Major)
St Catharines	Canada	Record daily precipitation	48.8 mm (1.9 in)	60 of 100 (Major)
Hillsboro	United States	Record daily precipitation	111.3 mm (4.4 in)	59 of 100 (Notable)
Ft Stockton 1	United States	Record daily precipitation	55.9 mm (2.2 in)	55 of 100 (Notable)
Whitsett 3 SW	United States	Record daily precipitation	65.3 mm (2.6 in)	51 of 100 (Notable)
Blackville Post Office	Australia	Record daily precipitation	72.6 mm (2.9 in)	50 of 100 (Notable)
Pincher Creek Town	Canada	Record daily precipitation	25.4 mm (1.0 in)	49 of 100 (Notable)
Lucan	Canada	Record daily precipitation	30.5 mm (1.2 in)	49 of 100 (Notable)
Pincher Creek Town	Canada	Record daily snowfall	25.4 cm (10.0 in)	48 of 100 (Notable)
Lockport 2SE	United States	Record daily precipitation	37.8 mm (1.5 in)	48 of 100 (Notable)
Anderson	United States	Record daily precipitation	83.6 mm (3.3 in)	47 of 100 (Notable)
Black Creek	Australia	Record daily precipitation	72.6 mm (2.9 in)	46 of 100 (Notable)
Bombala (Therry Street)	Australia	Record daily precipitation	33.8 mm (1.3 in)	46 of 100 (Notable)
Ottawa Cda	Canada	Record daily precipitation	30.5 mm (1.2 in)	45 of 100 (Notable)
Dynevor Downs	Australia	Record daily precipitation	43.2 mm (1.7 in)	44 of 100 (Notable)
Frankfort Disposal	United States	Record daily precipitation	57.7 mm (2.3 in)	44 of 100 (Notable)
Hattonvale Store	Australia	Record daily precipitation	51.1 mm (2.0 in)	43 of 100 (Notable)
Pine Ridge (Windy)	Australia	Record daily precipitation	48.3 mm (1.9 in)	43 of 100 (Notable)
Ann Arbor U of Mich	United States	Record daily precipitation	40.4 mm (1.6 in)	41 of 100 (Notable)
Rodeo	United States	Record daily snowfall	20.3 cm (8.0 in)	41 of 100 (Notable)
Anthony Lagoon	Australia	Record daily precipitation	41.4 mm (1.6 in)	39 of 100 (Notable)
Butchers Ridge Post Office	Australia	Record daily precipitation	45.5 mm (1.8 in)	39 of 100 (Notable)
Babb 6 NE	United States	Record daily snowfall	18.5 cm (7.3 in)	39 of 100 (Notable)
Brenham	United States	Record daily precipitation	61.0 mm (2.4 in)	39 of 100 (Notable)
Nimmitabel Wastewater Treatmen	Australia	Record daily precipitation	32.8 mm (1.3 in)	38 of 100 (Notable)
Beaver Mines	Canada	Record daily precipitation	30.5 mm (1.2 in)	38 of 100 (Notable)
Brockville	Canada	Record daily precipitation	44.5 mm (1.8 in)	38 of 100 (Notable)
Goodooga (Brenda)	Australia	Record daily precipitation	45.0 mm (1.8 in)	37 of 100 (Notable)
Murrurundi Post Office	Australia	Record daily precipitation	52.6 mm (2.1 in)	37 of 100 (Notable)
Owens Gap (T.O.K.)	Australia	Record daily precipitation	51.3 mm (2.0 in)	37 of 100 (Notable)
Ulamambri Post Office	Australia	Record daily precipitation	55.1 mm (2.2 in)	37 of 100 (Notable)
Delegate Post Office	Australia	Record daily precipitation	32.5 mm (1.3 in)	37 of 100 (Notable)
Beaver Mines	Canada	Record daily snowfall	30.5 cm (12.0 in)	37 of 100 (Notable)
Gyshgy	Turkmenistan	Record low minimum temperature	-12.8 C (9.0 F)	37 of 100 (Notable)
Boatman Station	Australia	Record daily precipitation	36.1 mm (1.4 in)	36 of 100 (Notable)
Merriwa (Merry Vale)	Australia	Record daily precipitation	64.3 mm (2.5 in)	36 of 100 (Notable)
Cwebe	South Africa	Record daily precipitation	59.9 mm (2.4 in)	36 of 100 (Notable)
Brady Aznoe	United States	Record daily precipitation	27.7 mm (1.1 in)	36 of 100 (Notable)
Weetaliba (Weetalabah)	Australia	Record daily precipitation	72.1 mm (2.8 in)	35 of 100 (Notable)
Fortine 1 N	United States	Record daily snowfall	12.7 cm (5.0 in)	35 of 100 (Notable)
Pearsall	United States	Record daily precipitation	41.1 mm (1.6 in)	35 of 100 (Notable)
Premer (Eden Moor)	Australia	Record daily precipitation	63.5 mm (2.5 in)	34 of 100 (Routine)
Willow Tree (Warrah)	Australia	Record daily precipitation	40.4 mm (1.6 in)	34 of 100 (Routine)
Hargraves (Weeroona)	Australia	Record daily precipitation	59.7 mm (2.4 in)	34 of 100 (Routine)
Coolah (Binnia St)	Australia	Record daily precipitation	54.6 mm (2.1 in)	34 of 100 (Routine)
Port Dover	Canada	Record daily precipitation	37.6 mm (1.5 in)	34 of 100 (Routine)
Quebec	Canada	Record daily precipitation	32.3 mm (1.3 in)	34 of 100 (Routine)
Newark Liberty Intl AP	United States	Record high minimum temperature	10.6 C (51.1 F)	34 of 100 (Routine)
Rotherwood	Australia	Record daily precipitation	41.1 mm (1.6 in)	33 of 100 (Routine)
Belleville	Canada	Record daily precipitation	34.8 mm (1.4 in)	33 of 100 (Routine)
Bisbee	United States	Record daily precipitation	39.4 mm (1.6 in)	33 of 100 (Routine)
Browning	United States	Record daily snowfall	14.0 cm (5.5 in)	33 of 100 (Routine)
Jim Thorpe	United States	Record high minimum temperature	16.1 C (61.0 F)	33 of 100 (Routine)
Midland 4 ENE	United States	Record daily precipitation	25.4 mm (1.0 in)	33 of 100 (Routine)
Binnaway (Wattle St)	Australia	Record daily precipitation	54.6 mm (2.1 in)	32 of 100 (Routine)
Carire	Brazil	Record daily precipitation	60.8 mm (2.4 in)	32 of 100 (Routine)
Joliette	Canada	Record daily precipitation	40.6 mm (1.6 in)	32 of 100 (Routine)
Veedersburg	United States	Record daily precipitation	46.5 mm (1.8 in)	32 of 100 (Routine)
Scarsdale	United States	Record high maximum temperature	30.6 C (87.1 F)	32 of 100 (Routine)
Goodooga (Mogila)	Australia	Record daily precipitation	45.7 mm (1.8 in)	31 of 100 (Routine)

Counts by Type and Timescale

778 records

Records set or tied on 31 March 1945 by type: Highest daily maximum 145, Lowest daily maximum 6, Highest daily minimum 252, Lowest daily minimum 13, Heaviest daily rainfall 334, Heaviest daily snowfall 28.

Records on 31 March 1945 by type
Record type	Records
Highest daily maximum	145
Lowest daily maximum	6
Highest daily minimum	252
Lowest daily minimum	13
Heaviest daily rainfall	334
Heaviest daily snowfall	28
Deepest snow cover	0

Records on 31 March 1945 by timescale: all-time 0, monthly 21, daily 757.

How Much Records Were Beaten By

658 broken records

Margins by which the 658 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 254.0. Ties are not counted.

Top 20 by Significance

31 March 1945

Top 20 records on 31 March 1945 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
31 March 1945	Douglas Smelter, US	monthly rain	49.0 mm (1.9 in)	18.5 mm (0.7 in)	33 years	61 of 100 (Major)
31 March 1945	St Catharines, CA	monthly rain	48.8 mm (1.9 in)	22.4 mm (0.9 in)	15 years	60 of 100 (Major)
31 March 1945	Hillsboro, US	monthly rain	111.3 mm (4.4 in)	45.5 mm (1.8 in)	36 years	59 of 100 (Notable)
31 March 1945	Ft Stockton 1, US	monthly rain	55.9 mm (2.2 in)	24.1 mm (0.9 in)	18 years	55 of 100 (Notable)
31 March 1945	Whitsett 3 SW, US	daily rain	65.3 mm (2.6 in)	65.3 mm (2.6 in)	30 years	51 of 100 (Notable)
31 March 1945	Blackville Post Office, AU	daily rain	72.6 mm (2.9 in)	47.2 mm (1.9 in)	40 years	50 of 100 (Notable)
31 March 1945	Pincher Creek Town, CA	daily rain	25.4 mm (1.0 in)	19.0 mm (0.7 in)	35 years	49 of 100 (Notable)
31 March 1945	Lucan, CA	daily rain	30.5 mm (1.2 in)	21.6 mm (0.9 in)	23 years	49 of 100 (Notable)
31 March 1945	Pincher Creek Town, CA	daily snowfall	25.4 cm (10.0 in)	19.0 cm (7.5 in)	35 years	48 of 100 (Notable)
31 March 1945	Lockport 2SE, US	daily rain	37.8 mm (1.5 in)	25.1 mm (1.0 in)	12 years	48 of 100 (Notable)
31 March 1945	Anderson, US	daily rain	83.6 mm (3.3 in)	79.0 mm (3.1 in)	16 years	47 of 100 (Notable)
31 March 1945	Black Creek, AU	daily rain	72.6 mm (2.9 in)	72.1 mm (2.8 in)	14 years	46 of 100 (Notable)
31 March 1945	Bombala (Therry Street), AU	daily rain	33.8 mm (1.3 in)	23.6 mm (0.9 in)	56 years	46 of 100 (Notable)
31 March 1945	Ottawa Cda, CA	daily rain	30.5 mm (1.2 in)	21.4 mm (0.8 in)	24 years	45 of 100 (Notable)
31 March 1945	Dynevor Downs, AU	daily rain	43.2 mm (1.7 in)	29.7 mm (1.2 in)	51 years	44 of 100 (Notable)
31 March 1945	Frankfort Disposal, US	daily rain	57.7 mm (2.3 in)	41.7 mm (1.6 in)	23 years	44 of 100 (Notable)
31 March 1945	Hattonvale Store, AU	daily rain	51.1 mm (2.0 in)	43.7 mm (1.7 in)	24 years	43 of 100 (Notable)
31 March 1945	Pine Ridge (Windy), AU	daily rain	48.3 mm (1.9 in)	48.3 mm (1.9 in)	28 years	43 of 100 (Notable)
31 March 1945	Ann Arbor U of Mich, US	monthly rain	40.4 mm (1.6 in)	6.9 mm (0.27 in)	50 years	41 of 100 (Notable)
31 March 1945	Rodeo, US	monthly snowfall	20.3 cm (8.0 in)	11.4 cm (4.5 in)	23 years	41 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

1808 to 1945

Records set or tied on this calendar date in each year from 1808 to 1945. 1945 had 778 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 1945-03-31: 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	639
50 to 100	13
100 to 150	2
150 to 200	3
200 to 250	0
250 to 300	1