Weather Records on 18 November 1940

241 weather records were set or tied worldwide on 18 November 1940. Highest significance: Mysore, IN.

Key Facts for 18 November 1940

On 18 November 1940, 241 weather records were set or tied at long-record stations worldwide.
69 were record highs and 24 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 3 monthly and 238 daily.
Mysore set a daily record precipitation of 84.1 mm (3.3 in) on 18 November 1940.
Across 165 earlier years (1793 to 2025) the same calendar date averaged 449 records.

Record Map

241 stations

241 station records on 18 November 1940 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 November 1940: highest significance records shown on the map
Station	Country	Type	Value	Significance
Mysore	India	Record daily precipitation	84.1 mm (3.3 in)	55 of 100 (Notable)
Vastervik	Sweden	Record daily precipitation	26.1 mm (1.0 in)	46 of 100 (Notable)
Hedal I Valdres	Norway	Record daily precipitation	32.5 mm (1.3 in)	42 of 100 (Notable)
Ammathy	India	Record daily precipitation	61.5 mm (2.4 in)	37 of 100 (Notable)
Puttur	India	Record daily precipitation	68.3 mm (2.7 in)	37 of 100 (Notable)
Nanjangud	India	Record daily precipitation	66.0 mm (2.6 in)	37 of 100 (Notable)
Udumalpet	India	Record daily precipitation	89.4 mm (3.5 in)	36 of 100 (Notable)
Srirangpatnam	India	Record daily precipitation	40.1 mm (1.6 in)	34 of 100 (Routine)
Belthangady	India	Record daily precipitation	143.3 mm (5.6 in)	31 of 100 (Routine)
Kasargod	India	Record daily precipitation	84.3 mm (3.3 in)	29 of 100 (Routine)
Pollachi	India	Record daily precipitation	58.2 mm (2.3 in)	29 of 100 (Routine)
Srivilliputhur	India	Record daily precipitation	90.7 mm (3.6 in)	29 of 100 (Routine)
Hiasen I Sigdal	Norway	Record daily precipitation	27.5 mm (1.1 in)	28 of 100 (Routine)
Seligman	United States	Record snow depth	15.2 cm (6.0 in)	28 of 100 (Routine)
Austin #2	United States	Record daily snowfall	14.0 cm (5.5 in)	28 of 100 (Routine)
Pincher Creek Town	Canada	Record daily snowfall	15.2 cm (6.0 in)	26 of 100 (Routine)
Skagway	United States	Record daily precipitation	38.1 mm (1.5 in)	26 of 100 (Routine)
Oracle	United States	Record daily precipitation	38.6 mm (1.5 in)	25 of 100 (Routine)
Tustin Irvine Rch	United States	Record daily precipitation	31.2 mm (1.2 in)	25 of 100 (Routine)
Philipsburg	United States	Record daily snowfall	15.2 cm (6.0 in)	25 of 100 (Routine)
Mandya	India	Record daily precipitation	34.3 mm (1.4 in)	24 of 100 (Routine)
Seligman	United States	Record daily snowfall	15.2 cm (6.0 in)	24 of 100 (Routine)
Malavalli	India	Record daily precipitation	57.4 mm (2.3 in)	23 of 100 (Routine)
Lake Kachess	United States	Record low minimum temperature	-8.9 C (16.0 F)	23 of 100 (Routine)
Virajpet	India	Record daily precipitation	38.1 mm (1.5 in)	22 of 100 (Routine)
Sattur	India	Record daily precipitation	76.5 mm (3.0 in)	22 of 100 (Routine)
Postmyr I Drangedal	Norway	Record snow depth	65.0 cm (25.6 in)	22 of 100 (Routine)
Gjerstad I Aust-Agder	Norway	Record daily precipitation	38.1 mm (1.5 in)	22 of 100 (Routine)
Sivakasi	India	Record daily precipitation	69.9 mm (2.8 in)	21 of 100 (Routine)
Orebro	Sweden	Record daily precipitation	20.2 mm (0.8 in)	20 of 100 (Routine)
Shenkursk	Russia	Record daily precipitation	11.5 mm (0.5 in)	20 of 100 (Routine)
Syktyvkar	Russia	Record daily precipitation	12.0 mm (0.5 in)	20 of 100 (Routine)
Skara 1	Sweden	Record daily precipitation	19.5 mm (0.8 in)	20 of 100 (Routine)
Olands Norra Udde	Sweden	Record daily precipitation	15.3 mm (0.6 in)	20 of 100 (Routine)
Flahult	Sweden	Record daily precipitation	17.4 mm (0.7 in)	20 of 100 (Routine)
Austin #2	United States	Record daily precipitation	14.2 mm (0.6 in)	20 of 100 (Routine)
Tot-Ma	Russia	Record daily precipitation	8.9 mm (0.35 in)	20 of 100 (Routine)
Vaexjoe	Sweden	Record daily precipitation	14.3 mm (0.6 in)	20 of 100 (Routine)
Kalmar_D	Sweden	Record daily precipitation	17.7 mm (0.7 in)	20 of 100 (Routine)
Goldfield	United States	Record daily precipitation	11.4 mm (0.4 in)	20 of 100 (Routine)
Godegard	Sweden	Record daily precipitation	13.8 mm (0.5 in)	20 of 100 (Routine)
Novosibirsk	Russia	Record daily precipitation	8.5 mm (0.33 in)	20 of 100 (Routine)
Philipsburg	United States	Record daily precipitation	12.7 mm (0.5 in)	20 of 100 (Routine)
Pincher Creek Town	Canada	Record daily precipitation	15.2 mm (0.6 in)	20 of 100 (Routine)
Tunhovd	Norway	Record daily precipitation	15.1 mm (0.6 in)	20 of 100 (Routine)
Boras	Sweden	Record daily precipitation	21.1 mm (0.8 in)	20 of 100 (Routine)
Oakley	United States	Record daily snowfall	3.8 cm (1.5 in)	20 of 100 (Routine)
Azimganj	India	Record daily precipitation	10.2 mm (0.4 in)	20 of 100 (Routine)
Linkoeping-Malmslaett	Sweden	Record daily precipitation	12.4 mm (0.5 in)	20 of 100 (Routine)
Karlshamn	Sweden	Record daily precipitation	9.7 mm (0.38 in)	20 of 100 (Routine)
Riverside Fire STN 3	United States	Record daily precipitation	23.1 mm (0.9 in)	20 of 100 (Routine)
Oestersund-Froesoen	Sweden	Record daily precipitation	12.0 mm (0.5 in)	20 of 100 (Routine)
Ulricehamn	Sweden	Record daily precipitation	17.0 mm (0.7 in)	20 of 100 (Routine)
Winnemucca AP	United States	Record daily snowfall	0.3 cm (0.1 in)	20 of 100 (Routine)
Towera	Australia	Record daily precipitation	5.6 mm (0.22 in)	20 of 100 (Routine)
Somwarpet	India	Record daily precipitation	17.8 mm (0.7 in)	20 of 100 (Routine)
Levan	United States	Record daily precipitation	16.5 mm (0.6 in)	20 of 100 (Routine)
Clifton	United States	Record daily precipitation	15.2 mm (0.6 in)	20 of 100 (Routine)
Las Vegas	United States	Record daily precipitation	2.5 mm (0.10 in)	20 of 100 (Routine)
Budapest	Hungary	Record high minimum temperature	9.0 C (48.2 F)	20 of 100 (Routine)

Counts by Type and Timescale

241 records

Records set or tied on 18 November 1940 by type: Highest daily maximum 17, Lowest daily maximum 9, Highest daily minimum 52, Lowest daily minimum 15, Heaviest daily rainfall 124, Heaviest daily snowfall 18, Deepest snow cover 6.

Records on 18 November 1940 by type
Record type	Records
Highest daily maximum	17
Lowest daily maximum	9
Highest daily minimum	52
Lowest daily minimum	15
Heaviest daily rainfall	124
Heaviest daily snowfall	18
Deepest snow cover	6

Records on 18 November 1940 by timescale: all-time 0, monthly 3, daily 238.

How Much Records Were Beaten By

198 broken records

Margins by which the 198 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

18 November 1940

Top 20 records on 18 November 1940 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 November 1940	Mysore, IN	daily rain	84.1 mm (3.3 in)	60.7 mm (2.4 in)	39 years	55 of 100 (Notable)
18 November 1940	Vastervik, SE	daily rain	26.1 mm (1.0 in)	12.7 mm (0.5 in)	59 years	46 of 100 (Notable)
18 November 1940	Hedal I Valdres, NO	daily rain	32.5 mm (1.3 in)	17.2 mm (0.7 in)	27 years	42 of 100 (Notable)
18 November 1940	Ammathy, IN	daily rain	61.5 mm (2.4 in)	42.2 mm (1.7 in)	20 years	37 of 100 (Notable)
18 November 1940	Puttur, IN	daily rain	68.3 mm (2.7 in)	49.8 mm (2.0 in)	20 years	37 of 100 (Notable)
18 November 1940	Nanjangud, IN	daily rain	66.0 mm (2.6 in)	39.1 mm (1.5 in)	39 years	37 of 100 (Notable)
18 November 1940	Udumalpet, IN	daily rain	89.4 mm (3.5 in)	47.2 mm (1.9 in)	39 years	36 of 100 (Notable)
18 November 1940	Srirangpatnam, IN	daily rain	40.1 mm (1.6 in)	29.4 mm (1.2 in)	39 years	34 of 100 (Routine)
18 November 1940	Belthangady, IN	monthly rain	143.3 mm (5.6 in)	14.0 mm (0.6 in)	37 years	31 of 100 (Routine)
18 November 1940	Kasargod, IN	daily rain	84.3 mm (3.3 in)	42.1 mm (1.7 in)	20 years	29 of 100 (Routine)
18 November 1940	Pollachi, IN	daily rain	58.2 mm (2.3 in)	33.8 mm (1.3 in)	30 years	29 of 100 (Routine)
18 November 1940	Srivilliputhur, IN	daily rain	90.7 mm (3.6 in)	37.6 mm (1.5 in)	30 years	29 of 100 (Routine)
18 November 1940	Hiasen I Sigdal, NO	daily rain	27.5 mm (1.1 in)	10.3 mm (0.4 in)	27 years	28 of 100 (Routine)
18 November 1940	Seligman, US	daily snow depth	15.2 cm (6.0 in)	15.2 cm (6.0 in)	35 years	28 of 100 (Routine)
18 November 1940	Austin #2, US	daily snowfall	14.0 cm (5.5 in)	8.9 cm (3.5 in)	33 years	28 of 100 (Routine)
18 November 1940	Pincher Creek Town, CA	daily snowfall	15.2 cm (6.0 in)	8.8 cm (3.5 in)	40 years	26 of 100 (Routine)
18 November 1940	Skagway, US	daily rain	38.1 mm (1.5 in)	12.7 mm (0.5 in)	36 years	26 of 100 (Routine)
18 November 1940	Oracle, US	daily rain	38.6 mm (1.5 in)	13.2 mm (0.5 in)	40 years	25 of 100 (Routine)
18 November 1940	Tustin Irvine Rch, US	daily rain	31.2 mm (1.2 in)	12.7 mm (0.5 in)	27 years	25 of 100 (Routine)
18 November 1940	Philipsburg, US	daily snowfall	15.2 cm (6.0 in)	8.1 cm (3.2 in)	19 years	25 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 241 records.

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

Records on 11-18 in each year
Year	Records
1793	2
1795	2
1805	1
1816	1
1823	1
1827	1
1829	2
1835	2
1838	1
1840	1
1845	1
1846	1
1847	1
1852	1
1856	2
1865	1
1869	1
1873	1
1875	2
1878	1
1879	1
1880	5
1881	2
1882	1
1883	1
1884	1
1885	3
1887	3
1888	2
1889	3
1890	3
1891	3
1892	2
1893	5
1894	3
1895	2
1896	5
1897	7
1898	2
1899	4
1900	16
1901	4
1902	12
1903	13
1904	19
1905	12
1906	24
1907	15
1908	10
1909	14
1910	7
1911	41
1912	81
1913	57
1914	77
1915	22
1916	30
1917	33
1918	61
1919	71
1920	27
1921	109
1922	36
1923	96
1924	191
1925	254
1926	270
1927	310
1928	319
1929	355
1930	471
1931	325
1932	347
1933	310
1934	574
1935	105
1936	362
1937	432
1938	328
1939	195
1940	241
1941	959
1942	575
1943	490
1944	265
1945	260
1946	707
1947	368
1948	363
1949	462
1950	416
1951	981
1952	479
1953	731
1954	339
1955	709
1956	269
1957	1,055
1958	1,219
1959	1,165
1960	507
1961	714
1962	488
1963	563
1964	986
1965	452
1966	273
1967	419
1968	502
1969	540
1970	296
1971	666
1972	478
1973	582
1974	643
1975	520
1976	605
1977	626
1978	960
1979	449
1980	1,771
1981	789
1982	559
1983	601
1984	612
1985	1,531
1986	1,334
1987	660
1988	416
1989	1,261
1990	534
1991	719
1992	764
1993	880
1994	1,103
1995	1,683
1996	1,289
1997	1,049
1998	1,016
1999	853
2000	1,621
2001	1,116
2002	848
2003	1,227
2004	1,169
2005	773
2006	755
2007	963
2008	1,346
2009	802
2010	668
2011	688
2012	520
2013	683
2014	2,530
2015	1,733
2016	1,157
2017	632
2018	646
2019	793
2020	1,618
2021	268
2022	1,287
2023	536
2024	576
2025	576

Download the Data

Data for records on 1940-11-18: 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	174
20 to 40	10
40 to 60	5
60 to 80	4
80 to 100	3
100 to 120	0
120 to 140	0
140 to 160	2