Weather Records on 8 December 1940

495 weather records were set or tied worldwide on 8 December 1940. Highest significance: Russell, CA.

Key Facts for 8 December 1940

On 8 December 1940, 495 weather records were set or tied at long-record stations worldwide.
201 were record highs and 3 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 9 monthly and 486 daily.
Russell set a daily record snowfall of 15.2 cm (6.0 in) on 8 December 1940.
Across 151 earlier years (1796 to 2025) the same calendar date averaged 514 records.

Record Map

495 stations

495 station records on 8 December 1940 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 8 December 1940: highest significance records shown on the map
Station	Country	Type	Value	Significance
Russell	Canada	Record daily snowfall	15.2 cm (6.0 in)	61 of 100 (Major)
Wantiool (Caithness)	Australia	Record daily precipitation	31.8 mm (1.3 in)	42 of 100 (Notable)
Ganmain (Dullah Dullah)	Australia	Record daily precipitation	33.8 mm (1.3 in)	42 of 100 (Notable)
Hypoluxo	United States	Record daily precipitation	59.2 mm (2.3 in)	39 of 100 (Notable)
Westbury (Valley View)	Australia	Record daily precipitation	35.8 mm (1.4 in)	38 of 100 (Notable)
Cavan	Australia	Record daily precipitation	26.4 mm (1.0 in)	36 of 100 (Notable)
Yannathan	Australia	Record daily precipitation	38.9 mm (1.5 in)	36 of 100 (Notable)
Carrick (Oaks Road)	Australia	Record daily precipitation	30.0 mm (1.2 in)	36 of 100 (Notable)
Springvale	Australia	Record daily precipitation	36.6 mm (1.4 in)	35 of 100 (Notable)
Launceston (Pumping Station)	Australia	Record daily precipitation	32.0 mm (1.3 in)	35 of 100 (Notable)
Cressy Post Office	Australia	Record daily precipitation	26.2 mm (1.0 in)	34 of 100 (Routine)
Yellowin	Australia	Record daily precipitation	43.4 mm (1.7 in)	33 of 100 (Routine)
Darlington Point (Tubbo)	Australia	Record daily precipitation	26.2 mm (1.0 in)	32 of 100 (Routine)
Austwell	United States	Record daily precipitation	50.8 mm (2.0 in)	32 of 100 (Routine)
Brungle (Rosemount)	Australia	Record daily precipitation	27.7 mm (1.1 in)	31 of 100 (Routine)
St Patricks River (Targa Farm)	Australia	Record daily precipitation	57.4 mm (2.3 in)	31 of 100 (Routine)
Moose Jaw Chab	Canada	Record daily snowfall	6.4 cm (2.5 in)	30 of 100 (Routine)
Frankford (Rossville)	Australia	Record daily precipitation	37.6 mm (1.5 in)	29 of 100 (Routine)
Glengarry (West Tamar)	Australia	Record daily precipitation	38.4 mm (1.5 in)	29 of 100 (Routine)
Euabolong (Brotherony)	Australia	Record daily precipitation	33.8 mm (1.3 in)	28 of 100 (Routine)
Kiandra Chalet	Australia	Record daily precipitation	46.2 mm (1.8 in)	28 of 100 (Routine)
Argalong (the Farm)	Australia	Record daily precipitation	41.7 mm (1.6 in)	28 of 100 (Routine)
Murchison	Australia	Record daily precipitation	26.7 mm (1.1 in)	28 of 100 (Routine)
St Albans	Canada	Record daily snowfall	9.7 cm (3.8 in)	28 of 100 (Routine)
Gooram Gong	Australia	Record daily precipitation	33.0 mm (1.3 in)	27 of 100 (Routine)
Deloraine (Athol)	Australia	Record daily precipitation	31.2 mm (1.2 in)	27 of 100 (Routine)
Devonport Harbour Master	Australia	Record daily precipitation	33.5 mm (1.3 in)	27 of 100 (Routine)
Lake Leake (Elizabeth River)	Australia	Record daily precipitation	30.5 mm (1.2 in)	27 of 100 (Routine)
Rock View	Australia	Record daily precipitation	29.7 mm (1.2 in)	26 of 100 (Routine)
Beaconsfield (Mine & Heritage	Australia	Record daily precipitation	35.3 mm (1.4 in)	26 of 100 (Routine)
Euabalong (Booberoi)	Australia	Record daily precipitation	82.6 mm (3.3 in)	25 of 100 (Routine)
Ft Deposit	United States	Record daily precipitation	50.8 mm (2.0 in)	24 of 100 (Routine)
Tumut (Wattle Cres)	Australia	Record daily precipitation	25.7 mm (1.0 in)	23 of 100 (Routine)
Battleford	Canada	Record daily snowfall	6.9 cm (2.7 in)	23 of 100 (Routine)
Lake Moraine	United States	Record high minimum temperature	1.7 C (35.1 F)	23 of 100 (Routine)
Gardiner	United States	Record high minimum temperature	2.2 C (36.0 F)	23 of 100 (Routine)
Lakeview 2 NNW	United States	Record high maximum temperature	14.4 C (57.9 F)	23 of 100 (Routine)
Northdown (Hamley)	Australia	Record daily precipitation	29.0 mm (1.1 in)	22 of 100 (Routine)
Saskatoon Diefenbaker Int'l A	Canada	Record daily snowfall	7.6 cm (3.0 in)	21 of 100 (Routine)
Birtle	Canada	Record daily snowfall	14.0 cm (5.5 in)	21 of 100 (Routine)
Coldwater	Canada	Record high minimum temperature	3.3 C (37.9 F)	21 of 100 (Routine)
Jhb-Braamfontein (Cem)	South Africa	Record daily precipitation	38.1 mm (1.5 in)	21 of 100 (Routine)
Idaho Springs	United States	Record high maximum temperature	17.2 C (63.0 F)	21 of 100 (Routine)
Bluewater 3 WSW	United States	Record high maximum temperature	20.0 C (68.0 F)	21 of 100 (Routine)
Chugwater	United States	Record high minimum temperature	8.9 C (48.0 F)	21 of 100 (Routine)
Russell	Canada	Record daily precipitation	15.2 mm (0.6 in)	20 of 100 (Routine)
Taganrog (Lighthouse)	Russia	Record daily precipitation	20.9 mm (0.8 in)	20 of 100 (Routine)
Henichesk	Ukraine	Record daily precipitation	10.1 mm (0.4 in)	20 of 100 (Routine)
Binya (Merribee)	Australia	Record daily precipitation	21.1 mm (0.8 in)	20 of 100 (Routine)
Grong Grong (Junee St)	Australia	Record daily precipitation	20.6 mm (0.8 in)	20 of 100 (Routine)
Wantabadgery	Australia	Record daily precipitation	23.4 mm (0.9 in)	20 of 100 (Routine)
Fingal (Legge Street)	Australia	Record daily precipitation	19.1 mm (0.8 in)	20 of 100 (Routine)
Mundarlo (Yabtree)	Australia	Record daily precipitation	22.4 mm (0.9 in)	20 of 100 (Routine)
Eurongilly (Bundaleer)	Australia	Record daily precipitation	21.3 mm (0.8 in)	20 of 100 (Routine)
St Albans	Canada	Record daily precipitation	10.7 mm (0.4 in)	20 of 100 (Routine)
Pomingalarna	Australia	Record daily precipitation	20.1 mm (0.8 in)	20 of 100 (Routine)
Moose Jaw Chab	Canada	Record daily precipitation	6.4 mm (0.25 in)	20 of 100 (Routine)
Gundagai	Australia	Record daily precipitation	18.5 mm (0.7 in)	20 of 100 (Routine)
Maatsuyker Island Lighthouse	Australia	Record daily precipitation	21.1 mm (0.8 in)	20 of 100 (Routine)
Mount Nelson	Australia	Record daily precipitation	17.5 mm (0.7 in)	20 of 100 (Routine)

Counts by Type and Timescale

495 records

Records set or tied on 8 December 1940 by type: Highest daily maximum 140, Lowest daily maximum 2, Highest daily minimum 61, Lowest daily minimum 1, Heaviest daily rainfall 275, Heaviest daily snowfall 12, Deepest snow cover 4.

Records on 8 December 1940 by type
Record type	Records
Highest daily maximum	140
Lowest daily maximum	2
Highest daily minimum	61
Lowest daily minimum	1
Heaviest daily rainfall	275
Heaviest daily snowfall	12
Deepest snow cover	4

Records on 8 December 1940 by timescale: all-time 0, monthly 9, daily 486.

How Much Records Were Beaten By

420 broken records

Margins by which the 420 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 152.0. Ties are not counted.

Top 20 by Significance

8 December 1940

Top 20 records on 8 December 1940 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
8 December 1940	Russell, CA	daily snowfall	15.2 cm (6.0 in)	15.2 cm (6.0 in)	56 years	61 of 100 (Major)
8 December 1940	Wantiool (Caithness), AU	daily rain	31.8 mm (1.3 in)	21.9 mm (0.9 in)	49 years	42 of 100 (Notable)
8 December 1940	Ganmain (Dullah Dullah), AU	daily rain	33.8 mm (1.3 in)	31.3 mm (1.2 in)	28 years	42 of 100 (Notable)
8 December 1940	Hypoluxo, US	daily rain	59.2 mm (2.3 in)	25.7 mm (1.0 in)	44 years	39 of 100 (Notable)
8 December 1940	Westbury (Valley View), AU	daily rain	35.8 mm (1.4 in)	20.1 mm (0.8 in)	29 years	38 of 100 (Notable)
8 December 1940	Cavan, AU	daily rain	26.4 mm (1.0 in)	19.8 mm (0.8 in)	49 years	36 of 100 (Notable)
8 December 1940	Yannathan, AU	daily rain	38.9 mm (1.5 in)	27.2 mm (1.1 in)	28 years	36 of 100 (Notable)
8 December 1940	Carrick (Oaks Road), AU	daily rain	30.0 mm (1.2 in)	18.1 mm (0.7 in)	29 years	36 of 100 (Notable)
8 December 1940	Springvale, AU	daily rain	36.6 mm (1.4 in)	27.2 mm (1.1 in)	28 years	35 of 100 (Notable)
8 December 1940	Launceston (Pumping Station), AU	daily rain	32.0 mm (1.3 in)	14.5 mm (0.6 in)	29 years	35 of 100 (Notable)
8 December 1940	Cressy Post Office, AU	daily rain	26.2 mm (1.0 in)	15.8 mm (0.6 in)	29 years	34 of 100 (Routine)
8 December 1940	Yellowin, AU	daily rain	43.4 mm (1.7 in)	31.5 mm (1.2 in)	10 years	33 of 100 (Routine)
8 December 1940	Darlington Point (Tubbo), AU	daily rain	26.2 mm (1.0 in)	9.7 mm (0.38 in)	49 years	32 of 100 (Routine)
8 December 1940	Austwell, US	daily rain	50.8 mm (2.0 in)	47.0 mm (1.9 in)	3 years	32 of 100 (Routine)
8 December 1940	Brungle (Rosemount), AU	daily rain	27.7 mm (1.1 in)	12.0 mm (0.5 in)	49 years	31 of 100 (Routine)
8 December 1940	St Patricks River (Targa Farm), AU	daily rain	57.4 mm (2.3 in)	27.4 mm (1.1 in)	14 years	31 of 100 (Routine)
8 December 1940	Moose Jaw Chab, CA	daily snowfall	6.4 cm (2.5 in)	5.1 cm (2.0 in)	18 years	30 of 100 (Routine)
8 December 1940	Frankford (Rossville), AU	daily rain	37.6 mm (1.5 in)	15.8 mm (0.6 in)	29 years	29 of 100 (Routine)
8 December 1940	Glengarry (West Tamar), AU	daily rain	38.4 mm (1.5 in)	16.6 mm (0.7 in)	29 years	29 of 100 (Routine)
8 December 1940	Euabolong (Brotherony), AU	daily rain	33.8 mm (1.3 in)	21.1 mm (0.8 in)	10 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

1796 to 1940

Records set or tied on this calendar date in each year from 1796 to 1940. 1940 had 495 records.

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

Records on 12-08 in each year
Year	Records
1796	1
1805	1
1815	2
1824	1
1825	2
1844	2
1846	1
1848	2
1854	1
1856	2
1866	1
1868	3
1869	1
1871	4
1875	2
1879	5
1882	4
1885	1
1886	1
1891	2
1892	1
1894	1
1896	4
1897	14
1898	3
1899	4
1900	6
1901	6
1902	17
1903	2
1904	6
1905	6
1906	39
1907	15
1908	11
1909	20
1910	14
1911	21
1912	33
1913	42
1914	59
1915	67
1916	93
1917	106
1918	27
1919	59
1920	95
1921	53
1922	163
1923	176
1924	399
1925	107
1926	80
1927	593
1928	100
1929	136
1930	421
1931	229
1932	327
1933	109
1934	437
1935	229
1936	138
1937	443
1938	447
1939	643
1940	495
1941	140
1942	481
1943	378
1944	269
1945	323
1946	1,331
1947	293
1948	269
1949	275
1950	859
1951	1,430
1952	539
1953	361
1954	354
1955	199
1956	890
1957	429
1958	794
1959	538
1960	544
1961	289
1962	413
1963	739
1964	375
1965	509
1966	1,255
1967	442
1968	436
1969	617
1970	801
1971	978
1972	1,825
1973	506
1974	631
1975	497
1976	1,130
1977	1,503
1978	2,440
1979	507
1980	1,527
1981	951
1982	835
1983	924
1984	989
1985	1,099
1986	958
1987	733
1988	581
1989	1,426
1990	847
1991	918
1992	689
1993	957
1994	1,178
1995	764
1996	949
1997	1,194
1998	1,348
1999	530
2000	1,056
2001	513
2002	735
2003	862
2004	1,172
2005	2,056
2006	2,166
2007	1,042
2008	924
2009	1,593
2010	1,951
2011	968
2012	724
2013	1,403
2014	404
2015	1,125
2016	594
2017	677
2018	747
2019	623
2020	942
2021	362
2022	682
2023	909
2024	426
2025	986

Download the Data

Data for records on 1940-12-08: 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 20	396
20 to 40	16
40 to 60	6
60 to 80	1
80 to 100	0
100 to 120	0
120 to 140	0
140 to 160	1