Weather Records on 4 December 1940

600 weather records were set or tied worldwide on 4 December 1940. Highest significance: Milwaukee Wb City, US.

Key Facts for 4 December 1940

On 4 December 1940, 600 weather records were set or tied at long-record stations worldwide.
76 were record highs and 407 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 10 monthly and 589 daily.
Milwaukee Wb City set a daily record snow depth of 30.5 cm (12.0 in) on 4 December 1940.
Across 166 earlier years (1796 to 2025) the same calendar date averaged 463 records.

Record Map

600 stations

600 station records on 4 December 1940 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 4 December 1940: highest significance records shown on the map
Station	Country	Type	Value	Significance
Milwaukee Wb City	United States	Record snow depth	30.5 cm (12.0 in)	58 of 100 (Notable)
Kulasekarapatnam	India	Record daily precipitation	315.0 mm (12.4 in)	55 of 100 (Notable)
Peterborough	Canada	Record daily snowfall	21.6 cm (8.5 in)	54 of 100 (Notable)
Panruti	India	Record daily precipitation	205.7 mm (8.1 in)	48 of 100 (Notable)
Simcoe	Canada	Record daily precipitation	33.0 mm (1.3 in)	47 of 100 (Notable)
Fanny Cove	Australia	Record daily precipitation	35.6 mm (1.4 in)	45 of 100 (Notable)
Woodstock	Canada	Record daily snowfall	15.2 cm (6.0 in)	44 of 100 (Notable)
Morekulam	India	Record daily precipitation	113.5 mm (4.5 in)	44 of 100 (Notable)
Edgeley 3WNW	United States	Record snow depth	12.7 cm (5.0 in)	42 of 100 (Notable)
Simcoe	Canada	Record daily snowfall	33.0 cm (13.0 in)	41 of 100 (Notable)
Brantford	Canada	Record daily snowfall	12.7 cm (5.0 in)	40 of 100 (Notable)
Grand Rapids Wb City	United States	Record snow depth	30.5 cm (12.0 in)	39 of 100 (Notable)
Aruppukottai	India	Record daily precipitation	87.6 mm (3.4 in)	38 of 100 (Notable)
Madison Wb City	United States	Record snow depth	30.5 cm (12.0 in)	38 of 100 (Notable)
Holland Wtp	United States	Record snow depth	50.8 cm (20.0 in)	37 of 100 (Notable)
Woodstock	Canada	Record low minimum temperature	-34.4 C (-29.9 F)	35 of 100 (Notable)
Menasha	United States	Record snow depth	33.0 cm (13.0 in)	34 of 100 (Routine)
Wahpeton 3 N	United States	Record snow depth	12.7 cm (5.0 in)	33 of 100 (Routine)
Kurinjipadi	India	Record daily precipitation	198.9 mm (7.8 in)	32 of 100 (Routine)
Vilatnikulam	India	Record daily precipitation	95.8 mm (3.8 in)	32 of 100 (Routine)
Green Bay	United States	Record snow depth	40.6 cm (16.0 in)	32 of 100 (Routine)
Villupuram	India	Record daily precipitation	106.7 mm (4.2 in)	31 of 100 (Routine)
Gardiner	United States	Record low minimum temperature	-31.1 C (-24.0 F)	31 of 100 (Routine)
Grand Meadow	United States	Record low minimum temperature	-31.7 C (-25.1 F)	31 of 100 (Routine)
Concord	United States	Record low minimum temperature	-23.9 C (-11.0 F)	31 of 100 (Routine)
Virudhunagar	India	Record daily precipitation	66.8 mm (2.6 in)	30 of 100 (Routine)
Sattur	India	Record daily precipitation	95.5 mm (3.8 in)	30 of 100 (Routine)
Madison	United States	Record low minimum temperature	-32.8 C (-27.0 F)	30 of 100 (Routine)
Durham	United States	Record low minimum temperature	-27.2 C (-17.0 F)	30 of 100 (Routine)
Jamestown State Hosp	United States	Record snow depth	12.7 cm (5.0 in)	30 of 100 (Routine)
Pembroke Eddy Match	Canada	Record low minimum temperature	-28.3 C (-18.9 F)	29 of 100 (Routine)
Lake Cochituate	United States	Record low maximum temperature	-8.3 C (17.1 F)	29 of 100 (Routine)
Northfield	United States	Record low minimum temperature	-32.2 C (-26.0 F)	29 of 100 (Routine)
Waterville Wwtp	United States	Record low minimum temperature	-30.0 C (-22.0 F)	28 of 100 (Routine)
Lake Cochituate	United States	Record low minimum temperature	-24.4 C (-11.9 F)	28 of 100 (Routine)
Plymouth	United States	Record low minimum temperature	-27.8 C (-18.0 F)	28 of 100 (Routine)
Cavendish	United States	Record low minimum temperature	-32.8 C (-27.0 F)	28 of 100 (Routine)
Saint John	Canada	Record low minimum temperature	-22.2 C (-8.0 F)	27 of 100 (Routine)
Farmington	United States	Record low minimum temperature	-31.7 C (-25.1 F)	27 of 100 (Routine)
North Bridgton	United States	Record low minimum temperature	-28.3 C (-18.9 F)	27 of 100 (Routine)
Brockton	United States	Record low maximum temperature	-6.1 C (21.0 F)	27 of 100 (Routine)
Cheboygan	United States	Record daily snowfall	14.0 cm (5.5 in)	27 of 100 (Routine)
Marion	United States	Record low minimum temperature	-12.2 C (10.0 F)	27 of 100 (Routine)
Kohala 179.1	United States	Record high minimum temperature	22.2 C (72.0 F)	27 of 100 (Routine)
Traverse Cy Cherry Capital AP	United States	Record daily snowfall	10.2 cm (4.0 in)	27 of 100 (Routine)
Kalahasti	India	Record daily precipitation	90.2 mm (3.6 in)	26 of 100 (Routine)
Concord	United States	Record low minimum temperature	-24.4 C (-11.9 F)	26 of 100 (Routine)
Turners Falls	United States	Record low minimum temperature	-23.3 C (-9.9 F)	26 of 100 (Routine)
Minneapolis Wb Dwtn	United States	Record low minimum temperature	-25.0 C (-13.0 F)	26 of 100 (Routine)
Jeffersonville	United States	Record low minimum temperature	-26.1 C (-15.0 F)	26 of 100 (Routine)
Minot Exp STN	United States	Record snow depth	17.8 cm (7.0 in)	26 of 100 (Routine)
Saint Johnsbury	United States	Record low minimum temperature	-32.8 C (-27.0 F)	26 of 100 (Routine)
Rocky Mt	United States	Record low minimum temperature	-13.9 C (7.0 F)	26 of 100 (Routine)
Bayard	United States	Record low minimum temperature	-23.3 C (-9.9 F)	26 of 100 (Routine)
Viroqua	United States	Record low minimum temperature	-27.8 C (-18.0 F)	26 of 100 (Routine)
Brantford	Canada	Record low minimum temperature	-18.9 C (-2.0 F)	25 of 100 (Routine)
Barrage Temiscamingue	Canada	Record daily snowfall	10.9 cm (4.3 in)	25 of 100 (Routine)
Vriddhachalam	India	Record daily precipitation	157.0 mm (6.2 in)	25 of 100 (Routine)
Rumford	United States	Record low minimum temperature	-27.2 C (-17.0 F)	25 of 100 (Routine)
Emporium 1 E	United States	Record snow depth	15.2 cm (6.0 in)	25 of 100 (Routine)

Counts by Type and Timescale

600 records

Records set or tied on 4 December 1940 by type: Highest daily maximum 37, Lowest daily maximum 96, Highest daily minimum 39, Lowest daily minimum 311, Heaviest daily rainfall 66, Heaviest daily snowfall 29, Deepest snow cover 22.

Records on 4 December 1940 by type
Record type	Records
Highest daily maximum	37
Lowest daily maximum	96
Highest daily minimum	39
Lowest daily minimum	311
Heaviest daily rainfall	66
Heaviest daily snowfall	29
Deepest snow cover	22

Records on 4 December 1940 by timescale: all-time 1, monthly 10, daily 589.

How Much Records Were Beaten By

497 broken records

Margins by which the 497 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 508.0. Ties are not counted.

Top 20 by Significance

4 December 1940

Top 20 records on 4 December 1940 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
4 December 1940	Milwaukee Wb City, US	daily snow depth	30.5 cm (12.0 in)	22.9 cm (9.0 in)	46 years	58 of 100 (Notable)
4 December 1940	Kulasekarapatnam, IN	all-time rain	315.0 mm (12.4 in)	71.7 mm (2.8 in)	26 years	55 of 100 (Notable)
4 December 1940	Peterborough, CA	daily snowfall	21.6 cm (8.5 in)	15.2 cm (6.0 in)	32 years	54 of 100 (Notable)
4 December 1940	Panruti, IN	daily rain	205.7 mm (8.1 in)	123.1 mm (4.8 in)	37 years	48 of 100 (Notable)
4 December 1940	Simcoe, CA	daily rain	33.0 mm (1.3 in)	15.2 mm (0.6 in)	73 years	47 of 100 (Notable)
4 December 1940	Fanny Cove, AU	daily rain	35.6 mm (1.4 in)	26.7 mm (1.1 in)	29 years	45 of 100 (Notable)
4 December 1940	Woodstock, CA	daily snowfall	15.2 cm (6.0 in)	7.6 cm (3.0 in)	68 years	44 of 100 (Notable)
4 December 1940	Morekulam, IN	daily rain	113.5 mm (4.5 in)	71.6 mm (2.8 in)	26 years	44 of 100 (Notable)
4 December 1940	Edgeley 3WNW, US	daily snow depth	12.7 cm (5.0 in)	7.6 cm (3.0 in)	38 years	42 of 100 (Notable)
4 December 1940	Simcoe, CA	monthly snowfall	33.0 cm (13.0 in)	2.5 cm (1.0 in)	67 years	41 of 100 (Notable)
4 December 1940	Brantford, CA	daily snowfall	12.7 cm (5.0 in)	10.2 cm (4.0 in)	44 years	40 of 100 (Notable)
4 December 1940	Grand Rapids Wb City, US	daily snow depth	30.5 cm (12.0 in)	17.8 cm (7.0 in)	37 years	39 of 100 (Notable)
4 December 1940	Aruppukottai, IN	daily rain	87.6 mm (3.4 in)	70.8 mm (2.8 in)	8 years	38 of 100 (Notable)
4 December 1940	Madison Wb City, US	daily snow depth	30.5 cm (12.0 in)	20.3 cm (8.0 in)	21 years	38 of 100 (Notable)
4 December 1940	Holland Wtp, US	daily snow depth	50.8 cm (20.0 in)	35.6 cm (14.0 in)	33 years	37 of 100 (Notable)
4 December 1940	Woodstock, CA	daily low min	-34.4 C (-29.9 F)	12.7 C (22.9 F)	50 years	35 of 100 (Notable)
4 December 1940	Menasha, US	daily snow depth	33.0 cm (13.0 in)	15.2 cm (6.0 in)	42 years	34 of 100 (Routine)
4 December 1940	Wahpeton 3 N, US	daily snow depth	12.7 cm (5.0 in)	12.7 cm (5.0 in)	31 years	33 of 100 (Routine)
4 December 1940	Kurinjipadi, IN	daily rain	198.9 mm (7.8 in)	89.7 mm (3.5 in)	22 years	32 of 100 (Routine)
4 December 1940	Vilatnikulam, IN	daily rain	95.8 mm (3.8 in)	57.2 mm (2.3 in)	26 years	32 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 600 records.

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

Records on 12-04 in each year
Year	Records
1796	2
1797	1
1810	2
1823	1
1829	2
1846	1
1847	1
1849	1
1850	1
1852	3
1854	1
1855	5
1856	2
1858	1
1859	1
1860	1
1861	1
1865	1
1866	1
1867	1
1868	2
1870	3
1872	1
1873	1
1875	2
1876	1
1878	1
1879	7
1882	3
1883	2
1885	1
1886	4
1887	1
1888	1
1889	1
1891	4
1892	9
1896	2
1897	5
1898	9
1899	3
1900	13
1901	7
1902	15
1903	7
1904	6
1905	16
1906	25
1907	5
1908	8
1909	45
1910	7
1911	27
1912	46
1913	59
1914	61
1915	61
1916	95
1917	31
1918	27
1919	94
1920	54
1921	60
1922	72
1923	142
1924	129
1925	266
1926	174
1927	184
1928	143
1929	432
1930	221
1931	411
1932	265
1933	524
1934	149
1935	330
1936	637
1937	148
1938	275
1939	443
1940	600
1941	1,326
1942	450
1943	259
1944	377
1945	332
1946	515
1947	577
1948	504
1949	120
1950	852
1951	583
1952	269
1953	738
1954	689
1955	811
1956	692
1957	350
1958	529
1959	212
1960	628
1961	570
1962	574
1963	285
1964	1,195
1965	590
1966	1,047
1967	428
1968	775
1969	366
1970	933
1971	768
1972	1,973
1973	1,124
1974	651
1975	757
1976	669
1977	654
1978	1,582
1979	943
1980	976
1981	638
1982	2,138
1983	1,284
1984	796
1985	1,239
1986	549
1987	624
1988	764
1989	1,541
1990	1,164
1991	1,178
1992	1,075
1993	708
1994	1,029
1995	972
1996	684
1997	654
1998	2,549
1999	930
2000	895
2001	974
2002	1,478
2003	595
2004	721
2005	1,075
2006	1,510
2007	1,005
2008	652
2009	1,114
2010	1,874
2011	1,252
2012	1,482
2013	1,227
2014	629
2015	428
2016	533
2017	607
2018	563
2019	522
2020	424
2021	942
2022	437
2023	736
2024	590
2025	535

Download the Data

Data for records on 1940-12-04: 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 100	483
100 to 200	10
200 to 300	2
300 to 400	1
400 to 500	0
500 to 600	1