Weather Records on 1 December 1940

300 weather records were set or tied worldwide on 1 December 1940. Highest significance: Winbar, AU.

Key Facts for 1 December 1940

On 1 December 1940, 300 weather records were set or tied at long-record stations worldwide.
46 were record highs and 37 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 13 monthly and 287 daily.
Winbar set a daily record precipitation of 65.5 mm (2.6 in) on 1 December 1940.
Across 162 earlier years (1797 to 2025) the same calendar date averaged 484 records.

Record Map

300 stations

300 station records on 1 December 1940 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 1 December 1940: highest significance records shown on the map
Station	Country	Type	Value	Significance
Winbar	Australia	Record daily precipitation	65.5 mm (2.6 in)	59 of 100 (Notable)
Tottenham (Woodlands 1)	Australia	Record daily precipitation	87.1 mm (3.4 in)	59 of 100 (Notable)
Gop	India	Record daily precipitation	47.0 mm (1.9 in)	55 of 100 (Notable)
Edgeley 3WNW	United States	Record snow depth	12.7 cm (5.0 in)	55 of 100 (Notable)
Macksville Country Club	Australia	Record daily precipitation	135.4 mm (5.3 in)	52 of 100 (Notable)
Leura Post Office	Australia	Record daily precipitation	98.8 mm (3.9 in)	52 of 100 (Notable)
Hawkwood Station	Australia	Record daily precipitation	89.2 mm (3.5 in)	48 of 100 (Notable)
Graman (Willowie)	Australia	Record daily precipitation	62.7 mm (2.5 in)	47 of 100 (Notable)
Hebron	United States	Record daily snowfall	25.4 cm (10.0 in)	47 of 100 (Notable)
Goonumbla (Coradgery)	Australia	Record daily precipitation	71.1 mm (2.8 in)	45 of 100 (Notable)
Boggabri (Milchengowrie)	Australia	Record daily precipitation	49.8 mm (2.0 in)	45 of 100 (Notable)
Napoleon	United States	Record snow depth	22.9 cm (9.0 in)	43 of 100 (Notable)
Tallebung (Vermont Hill)	Australia	Record daily precipitation	59.9 mm (2.4 in)	42 of 100 (Notable)
Bilpin (Fern Grove)	Australia	Record daily precipitation	92.7 mm (3.6 in)	42 of 100 (Notable)
Portage Wwtp	United States	Record snow depth	38.1 cm (15.0 in)	41 of 100 (Notable)
Rock Rapids	United States	Record snow depth	238.8 cm (94.0 in)	40 of 100 (Notable)
Okolona	United States	Record daily precipitation	45.0 mm (1.8 in)	39 of 100 (Notable)
Woodhouse	Australia	Record daily precipitation	27.7 mm (1.1 in)	36 of 100 (Notable)
Morpeth Post Office	Australia	Record daily precipitation	95.3 mm (3.8 in)	36 of 100 (Notable)
Darkes Forest (Kintyre)	Australia	Record daily precipitation	94.0 mm (3.7 in)	35 of 100 (Notable)
Burrawang South Station	Australia	Record daily precipitation	36.1 mm (1.4 in)	34 of 100 (Routine)
Milwaukee Wb City	United States	Record snow depth	33.0 cm (13.0 in)	34 of 100 (Routine)
Bobadah (Avoca)	Australia	Record daily precipitation	38.6 mm (1.5 in)	33 of 100 (Routine)
Randwick Bowling Club	Australia	Record daily precipitation	51.3 mm (2.0 in)	33 of 100 (Routine)
Big Rapids Wtp	United States	Record snow depth	35.6 cm (14.0 in)	33 of 100 (Routine)
Green Bay	United States	Record snow depth	30.5 cm (12.0 in)	33 of 100 (Routine)
Hermidale (Gilgai)	Australia	Record daily precipitation	35.1 mm (1.4 in)	32 of 100 (Routine)
Helensburgh (Sawan St)	Australia	Record daily precipitation	80.0 mm (3.1 in)	32 of 100 (Routine)
Bhadrachalam	India	Record daily precipitation	25.4 mm (1.0 in)	32 of 100 (Routine)
St Cloud State Clg	United States	Record snow depth	50.8 cm (20.0 in)	32 of 100 (Routine)
Mirannie	Australia	Record daily precipitation	46.7 mm (1.8 in)	31 of 100 (Routine)
Madison Wb City	United States	Record snow depth	30.5 cm (12.0 in)	31 of 100 (Routine)
Umbercollie	Australia	Record daily precipitation	40.6 mm (1.6 in)	30 of 100 (Routine)
Weribone	Australia	Record daily precipitation	57.7 mm (2.3 in)	30 of 100 (Routine)
Sandy Creek Tank	Australia	Record daily precipitation	78.7 mm (3.1 in)	30 of 100 (Routine)
Brantford	Canada	Record daily snowfall	10.2 cm (4.0 in)	30 of 100 (Routine)
Kaallaagte	South Africa	Record daily precipitation	65.0 mm (2.6 in)	30 of 100 (Routine)
Kosciusko	United States	Record daily precipitation	49.0 mm (1.9 in)	30 of 100 (Routine)
Sycamore	United States	Record snow depth	10.2 cm (4.0 in)	29 of 100 (Routine)
Wahpeton 3 N	United States	Record snow depth	10.2 cm (4.0 in)	29 of 100 (Routine)
Jerrys Plains Post Office	Australia	Record daily precipitation	31.8 mm (1.3 in)	28 of 100 (Routine)
Madison	United States	Record daily precipitation	36.8 mm (1.4 in)	28 of 100 (Routine)
Tiger Creek Ph	United States	Record high maximum temperature	25.6 C (78.1 F)	28 of 100 (Routine)
Menasha	United States	Record snow depth	25.4 cm (10.0 in)	28 of 100 (Routine)
Gilbert River Post Office	Australia	Record daily precipitation	40.1 mm (1.6 in)	27 of 100 (Routine)
Narromine (Alagala Old)	Australia	Record daily precipitation	37.8 mm (1.5 in)	27 of 100 (Routine)
Potts Hill Reservoir	Australia	Record daily precipitation	62.2 mm (2.4 in)	27 of 100 (Routine)
Salzburg	Austria	Record low minimum temperature	-11.2 C (11.8 F)	27 of 100 (Routine)
Jamestown State Hosp	United States	Record snow depth	10.2 cm (4.0 in)	27 of 100 (Routine)
Roto (Coombie)	Australia	Record daily precipitation	49.5 mm (1.9 in)	26 of 100 (Routine)
Barraba (Mount Lindsay)	Australia	Record daily precipitation	35.6 mm (1.4 in)	26 of 100 (Routine)
Bodalla Post Office	Australia	Record daily precipitation	53.3 mm (2.1 in)	26 of 100 (Routine)
Enosburg Falls	United States	Record daily snowfall	20.3 cm (8.0 in)	26 of 100 (Routine)
Warrinilla	Australia	Record daily precipitation	45.2 mm (1.8 in)	25 of 100 (Routine)
Coldwater St School	United States	Record snow depth	12.7 cm (5.0 in)	25 of 100 (Routine)
Condobolin (Ringwood)	Australia	Record daily precipitation	48.3 mm (1.9 in)	24 of 100 (Routine)
Tottenham (Moira Vale)	Australia	Record daily precipitation	47.2 mm (1.9 in)	24 of 100 (Routine)
Trundle (Murrumbogie)	Australia	Record daily precipitation	46.5 mm (1.8 in)	24 of 100 (Routine)
Fort St James	Canada	Record daily snowfall	10.2 cm (4.0 in)	24 of 100 (Routine)
Grand Rapids Wb City	United States	Record snow depth	25.4 cm (10.0 in)	24 of 100 (Routine)

Counts by Type and Timescale

300 records

Records set or tied on 1 December 1940 by type: Highest daily maximum 35, Lowest daily maximum 16, Highest daily minimum 11, Lowest daily minimum 21, Heaviest daily rainfall 161, Heaviest daily snowfall 28, Deepest snow cover 28.

Records on 1 December 1940 by type
Record type	Records
Highest daily maximum	35
Lowest daily maximum	16
Highest daily minimum	11
Lowest daily minimum	21
Heaviest daily rainfall	161
Heaviest daily snowfall	28
Deepest snow cover	28

Records on 1 December 1940 by timescale: all-time 0, monthly 13, daily 287.

How Much Records Were Beaten By

254 broken records

Margins by which the 254 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 1880.0. Ties are not counted.

Top 20 by Significance

1 December 1940

Top 20 records on 1 December 1940 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
1 December 1940	Winbar, AU	daily rain	65.5 mm (2.6 in)	50.3 mm (2.0 in)	43 years	59 of 100 (Notable)
1 December 1940	Tottenham (Woodlands 1), AU	daily rain	87.1 mm (3.4 in)	71.4 mm (2.8 in)	48 years	59 of 100 (Notable)
1 December 1940	Gop, IN	daily rain	47.0 mm (1.9 in)	41.9 mm (1.6 in)	37 years	55 of 100 (Notable)
1 December 1940	Edgeley 3WNW, US	daily snow depth	12.7 cm (5.0 in)	12.7 cm (5.0 in)	38 years	55 of 100 (Notable)
1 December 1940	Macksville Country Club, AU	daily rain	135.4 mm (5.3 in)	91.2 mm (3.6 in)	24 years	52 of 100 (Notable)
1 December 1940	Leura Post Office, AU	daily rain	98.8 mm (3.9 in)	68.3 mm (2.7 in)	30 years	52 of 100 (Notable)
1 December 1940	Hawkwood Station, AU	daily rain	89.2 mm (3.5 in)	45.5 mm (1.8 in)	51 years	48 of 100 (Notable)
1 December 1940	Graman (Willowie), AU	daily rain	62.7 mm (2.5 in)	55.6 mm (2.2 in)	15 years	47 of 100 (Notable)
1 December 1940	Hebron, US	daily snowfall	25.4 cm (10.0 in)	22.9 cm (9.0 in)	13 years	47 of 100 (Notable)
1 December 1940	Goonumbla (Coradgery), AU	daily rain	71.1 mm (2.8 in)	38.8 mm (1.5 in)	30 years	45 of 100 (Notable)
1 December 1940	Boggabri (Milchengowrie), AU	daily rain	49.8 mm (2.0 in)	31.5 mm (1.2 in)	48 years	45 of 100 (Notable)
1 December 1940	Napoleon, US	daily snow depth	22.9 cm (9.0 in)	20.4 cm (8.0 in)	37 years	43 of 100 (Notable)
1 December 1940	Tallebung (Vermont Hill), AU	monthly rain	59.9 mm (2.4 in)	18.0 mm (0.7 in)	23 years	42 of 100 (Notable)
1 December 1940	Bilpin (Fern Grove), AU	daily rain	92.7 mm (3.6 in)	52.1 mm (2.1 in)	20 years	42 of 100 (Notable)
1 December 1940	Portage Wwtp, US	daily snow depth	38.1 cm (15.0 in)	22.9 cm (9.0 in)	12 years	41 of 100 (Notable)
1 December 1940	Rock Rapids, US	daily snow depth	238.8 cm (94.0 in)	188.0 cm (74.0 in)	43 years	40 of 100 (Notable)
1 December 1940	Okolona, US	daily rain	45.0 mm (1.8 in)	37.4 mm (1.5 in)	40 years	39 of 100 (Notable)
1 December 1940	Woodhouse, AU	daily rain	27.7 mm (1.1 in)	27.7 mm (1.1 in)	43 years	36 of 100 (Notable)
1 December 1940	Morpeth Post Office, AU	daily rain	95.3 mm (3.8 in)	29.3 mm (1.2 in)	51 years	36 of 100 (Notable)
1 December 1940	Darkes Forest (Kintyre), AU	daily rain	94.0 mm (3.7 in)	42.9 mm (1.7 in)	20 years	35 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 1940

Records set or tied on this calendar date in each year from 1797 to 1940. 1940 had 300 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 1940-12-01: 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 250	253
250 to 500	0
500 to 750	0
750 to 1000	0
1000 to 1250	0
1250 to 1500	0
1500 to 1750	0
1750 to 2000	1