Weather Records on 22 December 1940

436 weather records were set or tied worldwide on 22 December 1940. Highest significance: Fort Simpson, CA.

Key Facts for 22 December 1940

On 22 December 1940, 436 weather records were set or tied at long-record stations worldwide.
155 were record highs and 20 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 5 monthly and 431 daily.
Fort Simpson set a daily record precipitation of 25.4 mm (1.0 in) on 22 December 1940.
Across 163 earlier years (1793 to 2025) the same calendar date averaged 512 records.

Record Map

436 stations

436 station records on 22 December 1940 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 22 December 1940: highest significance records shown on the map
Station	Country	Type	Value	Significance
Fort Simpson	Canada	Record daily precipitation	25.4 mm (1.0 in)	53 of 100 (Notable)
Fort Simpson	Canada	Record daily snowfall	25.4 cm (10.0 in)	53 of 100 (Notable)
Mmabatho Arpt	South Africa	Record daily precipitation	53.3 mm (2.1 in)	45 of 100 (Notable)
Bringelly (Maryland)	Australia	Record daily precipitation	64.8 mm (2.6 in)	42 of 100 (Notable)
Newman	United States	Record daily precipitation	39.4 mm (1.6 in)	39 of 100 (Notable)
Atlin	Canada	Record daily snowfall	24.1 cm (9.5 in)	38 of 100 (Notable)
Caboolture Post Office	Australia	Record daily precipitation	53.6 mm (2.1 in)	37 of 100 (Notable)
Jashpurnagar	India	Record daily precipitation	27.7 mm (1.1 in)	37 of 100 (Notable)
Athmalik	India	Record daily precipitation	34.3 mm (1.4 in)	35 of 100 (Notable)
Santa Maria	United States	Record daily precipitation	29.0 mm (1.1 in)	34 of 100 (Routine)
Pakala	India	Record daily precipitation	51.6 mm (2.0 in)	33 of 100 (Routine)
Heinersreuth-Vollhof	Germany	Record snow depth	20.0 cm (7.9 in)	29 of 100 (Routine)
Wofford Hts Kernville	United States	Record daily precipitation	37.6 mm (1.5 in)	29 of 100 (Routine)
Rio Vista	United States	Record daily precipitation	37.6 mm (1.5 in)	29 of 100 (Routine)
Bellingham	United States	Record high maximum temperature	18.3 C (64.9 F)	29 of 100 (Routine)
Dinmore Post Office	Australia	Record daily precipitation	25.4 mm (1.0 in)	28 of 100 (Routine)
Innsbruck	Austria	Record low maximum temperature	-8.4 C (16.9 F)	28 of 100 (Routine)
Oorschot	South Africa	Record daily precipitation	44.2 mm (1.7 in)	28 of 100 (Routine)
Paso Robles	United States	Record daily precipitation	62.2 mm (2.4 in)	28 of 100 (Routine)
Mangalgiri	India	Record daily precipitation	41.1 mm (1.6 in)	27 of 100 (Routine)
Ficksburg	South Africa	Record daily precipitation	32.3 mm (1.3 in)	27 of 100 (Routine)
Salzburg	Austria	Record low maximum temperature	-10.6 C (12.9 F)	26 of 100 (Routine)
Steveston	Canada	Record high maximum temperature	13.9 C (57.0 F)	26 of 100 (Routine)
Plauen	Germany	Record low minimum temperature	-18.1 C (-0.6 F)	26 of 100 (Routine)
Walnut Creek 2 ESE	United States	Record daily precipitation	40.1 mm (1.6 in)	26 of 100 (Routine)
Seattle Urban Site	United States	Record high maximum temperature	16.1 C (61.0 F)	26 of 100 (Routine)
Folsom	United States	Record daily precipitation	53.8 mm (2.1 in)	25 of 100 (Routine)
Ipswich	Australia	Record daily precipitation	35.1 mm (1.4 in)	24 of 100 (Routine)
Altamura	South Africa	Record daily precipitation	32.5 mm (1.3 in)	24 of 100 (Routine)
Taung	South Africa	Record daily precipitation	50.8 mm (2.0 in)	24 of 100 (Routine)
Berkeley	United States	Record high minimum temperature	10.6 C (51.1 F)	24 of 100 (Routine)
Olympia Priest Pt Park	United States	Record high maximum temperature	15.0 C (59.0 F)	24 of 100 (Routine)
Burpengary Ulmann Rd	Australia	Record daily precipitation	39.4 mm (1.6 in)	23 of 100 (Routine)
Nanaimo	Canada	Record high maximum temperature	12.8 C (55.0 F)	23 of 100 (Routine)
Altastenberg	Germany	Record snow depth	94.0 cm (37.0 in)	23 of 100 (Routine)
Heavitree, Estcourt	South Africa	Record daily precipitation	46.7 mm (1.8 in)	23 of 100 (Routine)
Leeuwpoort	South Africa	Record daily precipitation	38.6 mm (1.5 in)	23 of 100 (Routine)
Los Gatos	United States	Record high minimum temperature	9.4 C (48.9 F)	23 of 100 (Routine)
Quincy	United States	Record daily precipitation	66.8 mm (2.6 in)	23 of 100 (Routine)
Alice Springs Post Office	Australia	Record low minimum temperature	12.8 C (55.0 F)	22 of 100 (Routine)
Mount Gravatt	Australia	Record daily precipitation	33.8 mm (1.3 in)	22 of 100 (Routine)
Banff	Canada	Record high maximum temperature	8.9 C (48.0 F)	22 of 100 (Routine)
Astoria	United States	Record high maximum temperature	15.0 C (59.0 F)	22 of 100 (Routine)
Eugene	United States	Record high maximum temperature	17.8 C (64.0 F)	22 of 100 (Routine)
Strelley	Australia	Record daily precipitation	26.2 mm (1.0 in)	21 of 100 (Routine)
Gympie	Australia	Record daily precipitation	42.9 mm (1.7 in)	21 of 100 (Routine)
Denair 3 NNE	United States	Record high minimum temperature	10.6 C (51.1 F)	21 of 100 (Routine)
Palkot	India	Record daily precipitation	24.1 mm (0.9 in)	20 of 100 (Routine)
Atlin	Canada	Record daily precipitation	24.1 mm (0.9 in)	20 of 100 (Routine)
Mul	India	Record daily precipitation	10.9 mm (0.4 in)	20 of 100 (Routine)
Sanjari	India	Record daily precipitation	24.9 mm (1.0 in)	20 of 100 (Routine)
Sathenapalli	India	Record daily precipitation	21.1 mm (0.8 in)	20 of 100 (Routine)
Balumath	India	Record daily precipitation	21.6 mm (0.9 in)	20 of 100 (Routine)
Lohar-Daga	India	Record daily precipitation	16.3 mm (0.6 in)	20 of 100 (Routine)
Korba	India	Record daily precipitation	17.3 mm (0.7 in)	20 of 100 (Routine)
Tenali	India	Record daily precipitation	17.3 mm (0.7 in)	20 of 100 (Routine)
Islampur	India	Record daily precipitation	17.3 mm (0.7 in)	20 of 100 (Routine)
Tamar	India	Record daily precipitation	16.8 mm (0.7 in)	20 of 100 (Routine)
Mahasamund	India	Record daily precipitation	18.5 mm (0.7 in)	20 of 100 (Routine)
Kusrangi	India	Record daily precipitation	18.3 mm (0.7 in)	20 of 100 (Routine)

Counts by Type and Timescale

436 records

Records set or tied on 22 December 1940 by type: Highest daily maximum 86, Lowest daily maximum 13, Highest daily minimum 69, Lowest daily minimum 7, Heaviest daily rainfall 252, Heaviest daily snowfall 3, Deepest snow cover 6.

Records on 22 December 1940 by type
Record type	Records
Highest daily maximum	86
Lowest daily maximum	13
Highest daily minimum	69
Lowest daily minimum	7
Heaviest daily rainfall	252
Heaviest daily snowfall	3
Deepest snow cover	6

Records on 22 December 1940 by timescale: all-time 0, monthly 5, daily 431.

How Much Records Were Beaten By

381 broken records

Margins by which the 381 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

22 December 1940

Top 20 records on 22 December 1940 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
22 December 1940	Fort Simpson, CA	daily rain	25.4 mm (1.0 in)	19.6 mm (0.8 in)	33 years	53 of 100 (Notable)
22 December 1940	Fort Simpson, CA	daily snowfall	25.4 cm (10.0 in)	19.6 cm (7.7 in)	33 years	53 of 100 (Notable)
22 December 1940	Mmabatho Arpt, ZA	daily rain	53.3 mm (2.1 in)	41.1 mm (1.6 in)	30 years	45 of 100 (Notable)
22 December 1940	Bringelly (Maryland), AU	daily rain	64.8 mm (2.6 in)	34.3 mm (1.4 in)	26 years	42 of 100 (Notable)
22 December 1940	Newman, US	daily rain	39.4 mm (1.6 in)	22.4 mm (0.9 in)	27 years	39 of 100 (Notable)
22 December 1940	Atlin, CA	daily snowfall	24.1 cm (9.5 in)	11.4 cm (4.5 in)	12 years	38 of 100 (Notable)
22 December 1940	Caboolture Post Office, AU	daily rain	53.6 mm (2.1 in)	27.4 mm (1.1 in)	52 years	37 of 100 (Notable)
22 December 1940	Jashpurnagar, IN	daily rain	27.7 mm (1.1 in)	26.4 mm (1.0 in)	11 years	37 of 100 (Notable)
22 December 1940	Athmalik, IN	monthly rain	34.3 mm (1.4 in)	13.2 mm (0.5 in)	33 years	35 of 100 (Notable)
22 December 1940	Santa Maria, US	daily rain	29.0 mm (1.1 in)	16.0 mm (0.6 in)	46 years	34 of 100 (Routine)
22 December 1940	Pakala, IN	daily rain	51.6 mm (2.0 in)	49.1 mm (1.9 in)	11 years	33 of 100 (Routine)
22 December 1940	Heinersreuth-Vollhof, DE	daily snow depth	20.0 cm (7.9 in)	13.0 cm (5.1 in)	13 years	29 of 100 (Routine)
22 December 1940	Wofford Hts Kernville, US	daily rain	37.6 mm (1.5 in)	26.2 mm (1.0 in)	8 years	29 of 100 (Routine)
22 December 1940	Rio Vista, US	daily rain	37.6 mm (1.5 in)	12.2 mm (0.5 in)	45 years	29 of 100 (Routine)
22 December 1940	Bellingham, US	daily high max	18.3 C (64.9 F)	5.0 C (9.0 F)	40 years	29 of 100 (Routine)
22 December 1940	Dinmore Post Office, AU	daily rain	25.4 mm (1.0 in)	21.8 mm (0.9 in)	42 years	28 of 100 (Routine)
22 December 1940	Innsbruck, AT	daily low max	-8.4 C (16.9 F)	2.2 C (4.0 F)	62 years	28 of 100 (Routine)
22 December 1940	Oorschot, ZA	daily rain	44.2 mm (1.7 in)	23.1 mm (0.9 in)	25 years	28 of 100 (Routine)
22 December 1940	Paso Robles, US	daily rain	62.2 mm (2.4 in)	26.1 mm (1.0 in)	19 years	28 of 100 (Routine)
22 December 1940	Mangalgiri, IN	monthly rain	41.1 mm (1.6 in)	7.1 mm (0.28 in)	21 years	27 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

1793 to 1940

Records set or tied on this calendar date in each year from 1793 to 1940. 1940 had 436 records.

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

Records on 12-22 in each year
Year	Records
1793	1
1801	1
1804	1
1808	3
1824	1
1825	1
1844	1
1846	1
1855	6
1857	2
1859	1
1860	2
1863	1
1867	1
1868	1
1869	1
1870	2
1872	2
1874	1
1875	5
1877	1
1879	2
1880	1
1881	2
1882	1
1884	1
1886	2
1888	3
1889	2
1890	1
1891	2
1893	2
1894	4
1895	2
1896	1
1897	1
1898	2
1899	4
1900	2
1901	7
1902	9
1903	11
1904	3
1905	6
1906	13
1907	8
1908	29
1909	32
1910	28
1911	31
1912	37
1913	29
1914	159
1915	58
1916	62
1917	12
1918	64
1919	23
1920	36
1921	196
1922	29
1923	267
1924	396
1925	135
1926	188
1927	101
1928	114
1929	285
1930	97
1931	723
1932	219
1933	729
1934	119
1935	536
1936	274
1937	301
1938	248
1939	143
1940	436
1941	850
1942	812
1943	237
1944	624
1945	700
1946	264
1947	445
1948	378
1949	1,063
1950	428
1951	536
1952	447
1953	350
1954	510
1955	1,041
1956	878
1957	425
1958	544
1959	274
1960	1,353
1961	215
1962	521
1963	1,305
1964	1,184
1965	343
1966	279
1967	1,252
1968	1,478
1969	917
1970	984
1971	621
1972	719
1973	1,055
1974	498
1975	647
1976	605
1977	493
1978	363
1979	731
1980	580
1981	1,099
1982	637
1983	4,061
1984	794
1985	867
1986	523
1987	815
1988	699
1989	4,643
1990	3,228
1991	1,034
1992	522
1993	1,087
1994	920
1995	1,130
1996	939
1997	866
1998	1,106
1999	939
2000	925
2001	491
2002	652
2003	1,046
2004	899
2005	880
2006	1,390
2007	1,478
2008	1,000
2009	992
2010	1,632
2011	779
2012	837
2013	1,867
2014	915
2015	1,562
2016	550
2017	488
2018	514
2019	763
2020	948
2021	293
2022	1,047
2023	893
2024	477
2025	1,417

Download the Data

Data for records on 1940-12-22: 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	376
50 to 100	0
100 to 150	2
150 to 200	1
200 to 250	1
250 to 300	1