Weather Records on 30 November 1940

330 weather records were set or tied worldwide on 30 November 1940. Highest significance: Big Rapids Wtp, US.

Key Facts for 30 November 1940

On 30 November 1940, 330 weather records were set or tied at long-record stations worldwide.
49 were record highs and 24 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 27 monthly and 303 daily.
Big Rapids Wtp set a monthly record snow depth of 35.6 cm (14.0 in) on 30 November 1940.
Across 158 earlier years (1797 to 2025) the same calendar date averaged 490 records.

Record Map

330 stations

330 station records on 30 November 1940 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 November 1940: highest significance records shown on the map
Station	Country	Type	Value	Significance
Big Rapids Wtp	United States	Record snow depth	35.6 cm (14.0 in)	63 of 100 (Major)
Bay City	United States	Record daily snowfall	27.9 cm (11.0 in)	61 of 100 (Major)
Milwaukee Wb City	United States	Record daily snowfall	25.4 cm (10.0 in)	60 of 100 (Major)
Grand Rapids Wb City	United States	Record snow depth	35.6 cm (14.0 in)	58 of 100 (Notable)
Madison Wb City	United States	Record snow depth	30.5 cm (12.0 in)	57 of 100 (Notable)
Midland 2	United States	Record daily snowfall	25.4 cm (10.0 in)	56 of 100 (Notable)
Dalmorton Homestead	Australia	Record daily precipitation	91.4 mm (3.6 in)	55 of 100 (Notable)
Ostas I Hegra	Norway	Record daily precipitation	42.8 mm (1.7 in)	53 of 100 (Notable)
Guelph Oac	Canada	Record daily snowfall	20.3 cm (8.0 in)	50 of 100 (Notable)
Georgetown	Canada	Record daily snowfall	30.5 cm (12.0 in)	50 of 100 (Notable)
St John's	Canada	Record daily snowfall	20.3 cm (8.0 in)	48 of 100 (Notable)
Brockville	Canada	Record daily snowfall	27.9 cm (11.0 in)	47 of 100 (Notable)
Toronto	Canada	Record daily snowfall	17.3 cm (6.8 in)	47 of 100 (Notable)
Waukesha Wwtp	United States	Record daily snowfall	20.3 cm (8.0 in)	46 of 100 (Notable)
Bulahdelah Post Office	Australia	Record daily precipitation	66.8 mm (2.6 in)	45 of 100 (Notable)
Peterborough	Canada	Record daily snowfall	14.5 cm (5.7 in)	44 of 100 (Notable)
Big Rapids Wtp	United States	Record daily snowfall	20.3 cm (8.0 in)	44 of 100 (Notable)
Grand Rapids Wb City	United States	Record daily snowfall	17.3 cm (6.8 in)	44 of 100 (Notable)
Belleville	Canada	Record daily snowfall	15.2 cm (6.0 in)	43 of 100 (Notable)
Milwaukee Wb City	United States	Record snow depth	33.0 cm (13.0 in)	43 of 100 (Notable)
Hamilton	Canada	Record daily snowfall	16.0 cm (6.3 in)	42 of 100 (Notable)
Pesaro	Italy	Record daily precipitation	63.0 mm (2.5 in)	42 of 100 (Notable)
Woodstock	Canada	Record daily snowfall	16.0 cm (6.3 in)	41 of 100 (Notable)
Toronto Agincourt	Canada	Record daily snowfall	17.8 cm (7.0 in)	41 of 100 (Notable)
Wollong	Australia	Record daily precipitation	46.2 mm (1.8 in)	40 of 100 (Notable)
Burrundulla	Australia	Record daily precipitation	53.3 mm (2.1 in)	40 of 100 (Notable)
Lakefield	Canada	Record daily snowfall	27.9 cm (11.0 in)	40 of 100 (Notable)
Mildred	United States	Record daily snowfall	7.6 cm (3.0 in)	40 of 100 (Notable)
Edgeley 3WNW	United States	Record snow depth	12.7 cm (5.0 in)	40 of 100 (Notable)
Muskegon Co AP	United States	Record daily snowfall	20.6 cm (8.1 in)	40 of 100 (Notable)
Tamworth West	Australia	Record daily precipitation	49.0 mm (1.9 in)	38 of 100 (Notable)
Lismore (Centre Street)	Australia	Record daily precipitation	80.5 mm (3.2 in)	38 of 100 (Notable)
Napoleon	United States	Record snow depth	25.4 cm (10.0 in)	38 of 100 (Notable)
Milton Post Office	Australia	Record daily precipitation	49.0 mm (1.9 in)	37 of 100 (Notable)
Stratford	Canada	Record daily snowfall	26.7 cm (10.5 in)	37 of 100 (Notable)
Menasha	United States	Record snow depth	25.4 cm (10.0 in)	37 of 100 (Notable)
Newaygo Hardy Dam	United States	Record daily snowfall	22.9 cm (9.0 in)	36 of 100 (Notable)
Portage Wwtp	United States	Record snow depth	25.4 cm (10.0 in)	35 of 100 (Notable)
Tamworth Airport	Australia	Record daily precipitation	43.2 mm (1.7 in)	34 of 100 (Routine)
Multai	India	Record daily precipitation	51.3 mm (2.0 in)	34 of 100 (Routine)
Chandrapur	India	Record daily precipitation	27.7 mm (1.1 in)	34 of 100 (Routine)
Eidsvold Post Office	Australia	Record daily precipitation	66.3 mm (2.6 in)	33 of 100 (Routine)
Kunghari	India	Record daily precipitation	28.4 mm (1.1 in)	33 of 100 (Routine)
Alma	United States	Record daily snowfall	15.2 cm (6.0 in)	32 of 100 (Routine)
Green Bay	United States	Record snow depth	30.5 cm (12.0 in)	32 of 100 (Routine)
Kingaroy Prince Street	Australia	Record daily precipitation	70.6 mm (2.8 in)	31 of 100 (Routine)
Centerville 6 SE	United States	Record daily snowfall	8.9 cm (3.5 in)	31 of 100 (Routine)
Forestburg 4 NNE	United States	Record daily snowfall	12.7 cm (5.0 in)	31 of 100 (Routine)
Ramornie	Australia	Record daily precipitation	56.9 mm (2.2 in)	30 of 100 (Routine)
Mul	India	Record daily precipitation	26.7 mm (1.1 in)	30 of 100 (Routine)
Towanda 1 S	United States	Record snow depth	10.2 cm (4.0 in)	30 of 100 (Routine)
Bundarra Post Office	Australia	Record daily precipitation	46.2 mm (1.8 in)	29 of 100 (Routine)
Franklyn Vale	Australia	Record daily precipitation	40.4 mm (1.6 in)	28 of 100 (Routine)
Mudgee (George Street)	Australia	Record daily precipitation	43.9 mm (1.7 in)	28 of 100 (Routine)
Crookhaven Heads	Australia	Record daily precipitation	32.3 mm (1.3 in)	28 of 100 (Routine)
Namdalseid	Norway	Record daily precipitation	34.7 mm (1.4 in)	28 of 100 (Routine)
Hart 3 WSW	United States	Record daily snowfall	16.5 cm (6.5 in)	28 of 100 (Routine)
Angelica	United States	Record daily snowfall	8.9 cm (3.5 in)	28 of 100 (Routine)
Brookings 2 NE	United States	Record snow depth	15.2 cm (6.0 in)	28 of 100 (Routine)
Goderich	Canada	Record daily snowfall	7.6 cm (3.0 in)	27 of 100 (Routine)

Counts by Type and Timescale

330 records

Records set or tied on 30 November 1940 by type: Highest daily maximum 22, Lowest daily maximum 17, Highest daily minimum 27, Lowest daily minimum 7, Heaviest daily rainfall 155, Heaviest daily snowfall 67, Deepest snow cover 35.

Records on 30 November 1940 by type
Record type	Records
Highest daily maximum	22
Lowest daily maximum	17
Highest daily minimum	27
Lowest daily minimum	7
Heaviest daily rainfall	155
Heaviest daily snowfall	67
Deepest snow cover	35

Records on 30 November 1940 by timescale: all-time 0, monthly 27, daily 303.

How Much Records Were Beaten By

274 broken records

Margins by which the 274 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 204.0. Ties are not counted.

Top 20 by Significance

30 November 1940

Top 20 records on 30 November 1940 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 November 1940	Big Rapids Wtp, US	monthly snow depth	35.6 cm (14.0 in)	20.4 cm (8.0 in)	31 years	63 of 100 (Major)
30 November 1940	Bay City, US	monthly snowfall	27.9 cm (11.0 in)	17.0 cm (6.7 in)	24 years	61 of 100 (Major)
30 November 1940	Milwaukee Wb City, US	daily snowfall	25.4 cm (10.0 in)	16.5 cm (6.5 in)	46 years	60 of 100 (Major)
30 November 1940	Grand Rapids Wb City, US	monthly snow depth	35.6 cm (14.0 in)	15.3 cm (6.0 in)	19 years	58 of 100 (Notable)
30 November 1940	Madison Wb City, US	monthly snow depth	30.5 cm (12.0 in)	12.7 cm (5.0 in)	19 years	57 of 100 (Notable)
30 November 1940	Midland 2, US	monthly snowfall	25.4 cm (10.0 in)	10.2 cm (4.0 in)	42 years	56 of 100 (Notable)
30 November 1940	Dalmorton Homestead, AU	daily rain	91.4 mm (3.6 in)	72.3 mm (2.8 in)	38 years	55 of 100 (Notable)
30 November 1940	Ostas I Hegra, NO	daily rain	42.8 mm (1.7 in)	29.8 mm (1.2 in)	33 years	53 of 100 (Notable)
30 November 1940	Guelph Oac, CA	daily snowfall	20.3 cm (8.0 in)	15.2 cm (6.0 in)	15 years	50 of 100 (Notable)
30 November 1940	Georgetown, CA	monthly snowfall	30.5 cm (12.0 in)	7.9 cm (3.1 in)	51 years	50 of 100 (Notable)
30 November 1940	St John's, CA	daily snowfall	20.3 cm (8.0 in)	12.7 cm (5.0 in)	63 years	48 of 100 (Notable)
30 November 1940	Brockville, CA	daily snowfall	27.9 cm (11.0 in)	20.3 cm (8.0 in)	5 years	47 of 100 (Notable)
30 November 1940	Toronto, CA	daily snowfall	17.3 cm (6.8 in)	10.2 cm (4.0 in)	22 years	47 of 100 (Notable)
30 November 1940	Waukesha Wwtp, US	daily snowfall	20.3 cm (8.0 in)	12.7 cm (5.0 in)	46 years	46 of 100 (Notable)
30 November 1940	Bulahdelah Post Office, AU	daily rain	66.8 mm (2.6 in)	38.9 mm (1.5 in)	35 years	45 of 100 (Notable)
30 November 1940	Peterborough, CA	daily snowfall	14.5 cm (5.7 in)	6.4 cm (2.5 in)	71 years	44 of 100 (Notable)
30 November 1940	Big Rapids Wtp, US	monthly snowfall	20.3 cm (8.0 in)	5.1 cm (2.0 in)	31 years	44 of 100 (Notable)
30 November 1940	Grand Rapids Wb City, US	daily snowfall	17.3 cm (6.8 in)	9.7 cm (3.8 in)	21 years	44 of 100 (Notable)
30 November 1940	Belleville, CA	daily snowfall	15.2 cm (6.0 in)	6.3 cm (2.5 in)	71 years	43 of 100 (Notable)
30 November 1940	Milwaukee Wb City, US	monthly snow depth	33.0 cm (13.0 in)	7.6 cm (3.0 in)	45 years	43 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 330 records.

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

Records on 11-30 in each year
Year	Records
1797	1
1799	2
1807	2
1815	2
1817	1
1821	1
1827	2
1836	1
1840	1
1846	1
1849	2
1866	1
1867	1
1871	2
1875	7
1876	2
1879	2
1881	1
1885	7
1886	1
1887	2
1888	1
1889	3
1890	2
1891	2
1892	2
1893	3
1894	1
1895	7
1896	5
1897	5
1898	1
1899	7
1900	4
1901	8
1902	7
1903	22
1904	6
1905	16
1906	21
1907	6
1908	51
1909	20
1910	22
1911	22
1912	19
1913	54
1914	68
1915	37
1916	64
1917	26
1918	32
1919	87
1920	138
1921	42
1922	46
1923	144
1924	95
1925	102
1926	84
1927	600
1928	187
1929	883
1930	185
1931	375
1932	372
1933	1,006
1934	1,282
1935	84
1936	186
1937	375
1938	165
1939	321
1940	330
1941	298
1942	218
1943	238
1944	422
1945	147
1946	343
1947	544
1948	332
1949	323
1950	382
1951	348
1952	829
1953	307
1954	470
1955	576
1956	304
1957	226
1958	676
1959	339
1960	219
1961	412
1962	802
1963	566
1964	1,042
1965	309
1966	730
1967	802
1968	516
1969	625
1970	995
1971	501
1972	414
1973	635
1974	912
1975	2,018
1976	1,789
1977	935
1978	761
1979	837
1980	697
1981	1,361
1982	1,142
1983	1,137
1984	571
1985	2,887
1986	798
1987	913
1988	686
1989	781
1990	483
1991	2,104
1992	676
1993	756
1994	762
1995	1,472
1996	1,054
1997	987
1998	2,289
1999	1,170
2000	962
2001	1,431
2002	862
2003	634
2004	1,344
2005	883
2006	2,656
2007	739
2008	855
2009	951
2010	1,915
2011	1,108
2012	1,059
2013	505
2014	822
2015	880
2016	634
2017	307
2018	493
2019	1,060
2020	323
2021	1,049
2022	559
2023	583
2024	672
2025	858

Download the Data

Data for records on 1940-11-30: 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	229
50 to 100	28
100 to 150	9
150 to 200	5
200 to 250	3