Weather Records on 1 December 1945

259 weather records were set or tied worldwide on 1 December 1945. Highest significance: Indianola 1SW, US.

Key Facts for 1 December 1945

On 1 December 1945, 259 weather records were set or tied at long-record stations worldwide.
35 were record highs and 25 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 8 monthly and 251 daily.
Indianola 1SW set a daily record precipitation of 36.1 mm (1.4 in) on 1 December 1945.
Across 162 earlier years (1797 to 2025) the same calendar date averaged 485 records.

Record Map

259 stations

259 station records on 1 December 1945 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 1 December 1945: highest significance records shown on the map
Station	Country	Type	Value	Significance
Indianola 1SW	United States	Record daily precipitation	36.1 mm (1.4 in)	50 of 100 (Notable)
Newport	United States	Record daily precipitation	25.4 mm (1.0 in)	48 of 100 (Notable)
Harrison	United States	Record snow depth	15.2 cm (6.0 in)	45 of 100 (Notable)
Newport	United States	Record daily snowfall	30.5 cm (12.0 in)	45 of 100 (Notable)
Belle Plaine	United States	Record daily precipitation	42.7 mm (1.7 in)	44 of 100 (Notable)
Langmorn	Australia	Record daily precipitation	73.9 mm (2.9 in)	43 of 100 (Notable)
Independence	United States	Record daily precipitation	31.8 mm (1.3 in)	43 of 100 (Notable)
Winterset 4N	United States	Record daily precipitation	28.4 mm (1.1 in)	42 of 100 (Notable)
Lady Frere (Tnk)	South Africa	Record daily precipitation	46.2 mm (1.8 in)	41 of 100 (Notable)
Harrison	United States	Record daily snowfall	15.2 cm (6.0 in)	39 of 100 (Notable)
Lusk 2 SW	United States	Record daily snowfall	25.4 cm (10.0 in)	37 of 100 (Notable)
Manor Holme	South Africa	Record daily precipitation	37.8 mm (1.5 in)	33 of 100 (Routine)
Pocahontas	United States	Record daily precipitation	27.9 mm (1.1 in)	33 of 100 (Routine)
Eau Claire	United States	Record daily precipitation	25.4 mm (1.0 in)	33 of 100 (Routine)
Elkader 6 SSW	United States	Record daily precipitation	26.7 mm (1.1 in)	32 of 100 (Routine)
Toledo 3N	United States	Record daily precipitation	29.5 mm (1.2 in)	32 of 100 (Routine)
Grantsburg	United States	Record daily snowfall	20.3 cm (8.0 in)	30 of 100 (Routine)
Elliot	South Africa	Record daily precipitation	39.4 mm (1.6 in)	29 of 100 (Routine)
Monroe	United States	Record daily precipitation	27.4 mm (1.1 in)	29 of 100 (Routine)
Emerson	Canada	Record high minimum temperature	-2.2 C (28.0 F)	28 of 100 (Routine)
Tyndall	United States	Record daily precipitation	25.9 mm (1.0 in)	28 of 100 (Routine)
Brookings 2 NE	United States	Record daily snowfall	7.6 cm (3.0 in)	27 of 100 (Routine)
Schreiber	Canada	Record daily snowfall	20.3 cm (8.0 in)	26 of 100 (Routine)
Algona	United States	Record daily precipitation	25.9 mm (1.0 in)	26 of 100 (Routine)
Castlewood	United States	Record daily snowfall	5.1 cm (2.0 in)	25 of 100 (Routine)
Forestburg 4 NNE	United States	Record daily snowfall	12.7 cm (5.0 in)	25 of 100 (Routine)
Crato	Brazil	Record daily precipitation	62.3 mm (2.5 in)	24 of 100 (Routine)
Mt Ayr	United States	Record daily precipitation	27.9 mm (1.1 in)	24 of 100 (Routine)
Watertown Rgnl AP	United States	Record daily snowfall	10.2 cm (4.0 in)	24 of 100 (Routine)
Flint	United States	Record daily precipitation	61.0 mm (2.4 in)	22 of 100 (Routine)
Insikeni (Bos)	South Africa	Record daily precipitation	51.3 mm (2.0 in)	21 of 100 (Routine)
New London	United States	Record daily precipitation	21.3 mm (0.8 in)	20 of 100 (Routine)
Lynch	United States	Record daily precipitation	12.7 mm (0.5 in)	20 of 100 (Routine)
Rock Rapids	United States	Record daily precipitation	19.8 mm (0.8 in)	20 of 100 (Routine)
Spencer 1 N	United States	Record daily precipitation	22.6 mm (0.9 in)	20 of 100 (Routine)
Sibley	United States	Record daily precipitation	14.2 mm (0.6 in)	20 of 100 (Routine)
Stanton	United States	Record daily precipitation	17.5 mm (0.7 in)	20 of 100 (Routine)
Ulan-Ude	Russia	Record daily precipitation	6.6 mm (0.26 in)	20 of 100 (Routine)
Hillmoor	South Africa	Record daily precipitation	21.8 mm (0.9 in)	20 of 100 (Routine)
Waukee	United States	Record daily precipitation	24.4 mm (1.0 in)	20 of 100 (Routine)
Columbus 3 NE	United States	Record daily precipitation	21.1 mm (0.8 in)	20 of 100 (Routine)
Perry	United States	Record daily precipitation	24.6 mm (1.0 in)	20 of 100 (Routine)
Mitchell 2 N	United States	Record daily precipitation	11.2 mm (0.4 in)	20 of 100 (Routine)
Grantsburg	United States	Record daily precipitation	22.9 mm (0.9 in)	20 of 100 (Routine)
Watertown Rgnl AP	United States	Record daily precipitation	11.9 mm (0.5 in)	20 of 100 (Routine)
Greenfield	United States	Record daily precipitation	22.4 mm (0.9 in)	20 of 100 (Routine)
Bird Island	United States	Record daily precipitation	12.2 mm (0.5 in)	20 of 100 (Routine)
Sheldon	United States	Record daily precipitation	16.5 mm (0.6 in)	20 of 100 (Routine)
Harrison	United States	Record daily precipitation	12.4 mm (0.5 in)	20 of 100 (Routine)
Mazbat(Majbat)	India	Record daily precipitation	23.9 mm (0.9 in)	20 of 100 (Routine)
Lamoni	United States	Record daily precipitation	24.1 mm (0.9 in)	20 of 100 (Routine)
Flandreau	United States	Record daily precipitation	8.9 mm (0.35 in)	20 of 100 (Routine)
Lusk 2 SW	United States	Record daily precipitation	20.8 mm (0.8 in)	20 of 100 (Routine)
Sanborn	United States	Record daily precipitation	22.4 mm (0.9 in)	20 of 100 (Routine)
Ewing	United States	Record daily precipitation	11.4 mm (0.4 in)	20 of 100 (Routine)
Fairmont	United States	Record daily precipitation	19.6 mm (0.8 in)	20 of 100 (Routine)
Butte	United States	Record daily precipitation	15.2 mm (0.6 in)	20 of 100 (Routine)
Brookings 2 NE	United States	Record daily precipitation	10.2 mm (0.4 in)	20 of 100 (Routine)
Little Falls 2NNE	United States	Record daily precipitation	14.2 mm (0.6 in)	20 of 100 (Routine)
Canton	United States	Record daily precipitation	20.3 mm (0.8 in)	20 of 100 (Routine)

Counts by Type and Timescale

259 records

Records set or tied on 1 December 1945 by type: Highest daily maximum 15, Lowest daily maximum 15, Highest daily minimum 20, Lowest daily minimum 10, Heaviest daily rainfall 166, Heaviest daily snowfall 28, Deepest snow cover 5.

Records on 1 December 1945 by type
Record type	Records
Highest daily maximum	15
Lowest daily maximum	15
Highest daily minimum	20
Lowest daily minimum	10
Heaviest daily rainfall	166
Heaviest daily snowfall	28
Deepest snow cover	5

Records on 1 December 1945 by timescale: all-time 0, monthly 8, daily 251.

How Much Records Were Beaten By

226 broken records

Margins by which the 226 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 292.0. Ties are not counted.

Top 20 by Significance

1 December 1945

Top 20 records on 1 December 1945 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
1 December 1945	Indianola 1SW, US	daily rain	36.1 mm (1.4 in)	21.9 mm (0.9 in)	51 years	50 of 100 (Notable)
1 December 1945	Newport, US	daily rain	25.4 mm (1.0 in)	16.3 mm (0.6 in)	36 years	48 of 100 (Notable)
1 December 1945	Harrison, US	daily snow depth	15.2 cm (6.0 in)	15.2 cm (6.0 in)	31 years	45 of 100 (Notable)
1 December 1945	Newport, US	daily snowfall	30.5 cm (12.0 in)	29.2 cm (11.5 in)	3 years	45 of 100 (Notable)
1 December 1945	Belle Plaine, US	daily rain	42.7 mm (1.7 in)	23.9 mm (0.9 in)	24 years	44 of 100 (Notable)
1 December 1945	Langmorn, AU	daily rain	73.9 mm (2.9 in)	43.7 mm (1.7 in)	51 years	43 of 100 (Notable)
1 December 1945	Independence, US	daily rain	31.8 mm (1.3 in)	20.1 mm (0.8 in)	32 years	43 of 100 (Notable)
1 December 1945	Winterset 4N, US	daily rain	28.4 mm (1.1 in)	19.0 mm (0.7 in)	36 years	42 of 100 (Notable)
1 December 1945	Lady Frere (Tnk), ZA	daily rain	46.2 mm (1.8 in)	26.9 mm (1.1 in)	44 years	41 of 100 (Notable)
1 December 1945	Harrison, US	daily snowfall	15.2 cm (6.0 in)	10.1 cm (4.0 in)	16 years	39 of 100 (Notable)
1 December 1945	Lusk 2 SW, US	monthly snowfall	25.4 cm (10.0 in)	5.1 cm (2.0 in)	35 years	37 of 100 (Notable)
1 December 1945	Manor Holme, ZA	daily rain	37.8 mm (1.5 in)	18.0 mm (0.7 in)	28 years	33 of 100 (Routine)
1 December 1945	Pocahontas, US	daily rain	27.9 mm (1.1 in)	11.4 mm (0.4 in)	32 years	33 of 100 (Routine)
1 December 1945	Eau Claire, US	daily rain	25.4 mm (1.0 in)	9.7 mm (0.38 in)	32 years	33 of 100 (Routine)
1 December 1945	Elkader 6 SSW, US	daily rain	26.7 mm (1.1 in)	12.5 mm (0.5 in)	32 years	32 of 100 (Routine)
1 December 1945	Toledo 3N, US	daily rain	29.5 mm (1.2 in)	13.0 mm (0.5 in)	24 years	32 of 100 (Routine)
1 December 1945	Grantsburg, US	daily snowfall	20.3 cm (8.0 in)	10.1 cm (4.0 in)	18 years	30 of 100 (Routine)
1 December 1945	Elliot, ZA	daily rain	39.4 mm (1.6 in)	23.4 mm (0.9 in)	18 years	29 of 100 (Routine)
1 December 1945	Monroe, US	daily rain	27.4 mm (1.1 in)	12.4 mm (0.5 in)	24 years	29 of 100 (Routine)
1 December 1945	Emerson, CA	daily high min	-2.2 C (28.0 F)	2.2 C (4.0 F)	66 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 1945

Records set or tied on this calendar date in each year from 1797 to 1945. 1945 had 259 records.

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

Records on 12-01 in each year
Year	Records
1797	1
1805	1
1807	2
1810	1
1817	2
1821	1
1823	2
1831	1
1849	1
1856	3
1857	1
1858	1
1861	1
1863	1
1869	2
1871	1
1872	3
1873	6
1875	8
1876	4
1877	1
1879	7
1884	3
1885	3
1886	1
1887	2
1888	3
1889	2
1890	6
1891	1
1892	2
1893	1
1894	1
1895	4
1896	4
1897	10
1898	5
1899	4
1901	5
1902	7
1903	13
1904	4
1905	11
1906	3
1907	8
1908	40
1909	64
1910	39
1911	45
1912	37
1913	53
1914	142
1915	23
1916	29
1917	52
1918	32
1919	78
1920	192
1921	55
1922	85
1923	70
1924	135
1925	145
1926	115
1927	271
1928	85
1929	515
1930	128
1931	337
1932	383
1933	656
1934	667
1935	164
1936	433
1937	238
1938	159
1939	346
1940	300
1941	391
1942	424
1943	93
1944	478
1945	259
1946	224
1947	392
1948	252
1949	313
1950	437
1951	585
1952	762
1953	283
1954	308
1955	624
1956	338
1957	295
1958	531
1959	355
1960	258
1961	373
1962	1,073
1963	282
1964	1,181
1965	598
1966	995
1967	601
1968	883
1969	673
1970	1,299
1971	574
1972	843
1973	888
1974	1,339
1975	1,007
1976	1,294
1977	1,166
1978	777
1979	874
1980	1,019
1981	1,320
1982	1,759
1983	1,275
1984	513
1985	3,874
1986	803
1987	1,020
1988	538
1989	822
1990	514
1991	2,124
1992	552
1993	597
1994	717
1995	1,386
1996	1,448
1997	736
1998	1,698
1999	790
2000	777
2001	1,211
2002	637
2003	627
2004	1,033
2005	815
2006	2,866
2007	1,427
2008	879
2009	927
2010	1,991
2011	947
2012	1,027
2013	400
2014	677
2015	850
2016	384
2017	496
2018	807
2019	803
2020	567
2021	2,030
2022	584
2023	609
2024	636
2025	679

Download the Data

Data for records on 1945-12-01: 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	216
50 to 100	5
100 to 150	3
150 to 200	1
200 to 250	0
250 to 300	1