Weather Records on 6 November 1940

201 weather records were set or tied worldwide on 6 November 1940. Highest significance: Butterworth (Tnk), ZA.

Key Facts for 6 November 1940

On 6 November 1940, 201 weather records were set or tied at long-record stations worldwide.
24 were record highs and 32 were record lows, counting maximum and minimum temperature.
By timescale, 3 were all-time records, 1 monthly and 197 daily.
Butterworth (Tnk) set a daily record precipitation of 68.1 mm (2.7 in) on 6 November 1940.
Across 162 earlier years (1793 to 2025) the same calendar date averaged 494 records.

Record Map

201 stations

201 station records on 6 November 1940 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 6 November 1940: highest significance records shown on the map
Station	Country	Type	Value	Significance
Butterworth (Tnk)	South Africa	Record daily precipitation	68.1 mm (2.7 in)	59 of 100 (Notable)
Ottapidaram	India	Record daily precipitation	175.3 mm (6.9 in)	50 of 100 (Notable)
Nagappattinam	India	Record daily precipitation	263.1 mm (10.4 in)	46 of 100 (Notable)
Tiruvarur	India	Record daily precipitation	234.4 mm (9.2 in)	45 of 100 (Notable)
Srivaikuntam	India	Record daily precipitation	119.1 mm (4.7 in)	45 of 100 (Notable)
Vedasandur	India	Record daily precipitation	76.2 mm (3.0 in)	43 of 100 (Notable)
Kadayam	India	Record daily precipitation	105.7 mm (4.2 in)	42 of 100 (Notable)
Vallam	India	Record daily precipitation	143.0 mm (5.6 in)	41 of 100 (Notable)
Vilatnikulam	India	Record daily precipitation	86.4 mm (3.4 in)	39 of 100 (Notable)
Waseca	Canada	Record daily snowfall	15.2 cm (6.0 in)	38 of 100 (Notable)
Bic	Canada	Record daily precipitation	35.8 mm (1.4 in)	37 of 100 (Notable)
Tanjavur	India	Record daily precipitation	126.5 mm (5.0 in)	35 of 100 (Notable)
Morekulam	India	Record daily precipitation	76.2 mm (3.0 in)	34 of 100 (Routine)
Adanakottai	India	Record daily precipitation	132.1 mm (5.2 in)	34 of 100 (Routine)
Kirnur Nam	India	Record daily precipitation	93.5 mm (3.7 in)	34 of 100 (Routine)
Ravensthorpe	Australia	Record daily precipitation	33.3 mm (1.3 in)	33 of 100 (Routine)
Nanaimo	Canada	Record daily precipitation	42.9 mm (1.7 in)	33 of 100 (Routine)
Uthamapalayam	India	Record daily precipitation	81.5 mm (3.2 in)	33 of 100 (Routine)
Ko253Lpatti Sr	India	Record daily precipitation	83.8 mm (3.3 in)	32 of 100 (Routine)
Mannargudi	India	Record daily precipitation	162.6 mm (6.4 in)	31 of 100 (Routine)
Udayalipatti	India	Record daily precipitation	104.1 mm (4.1 in)	31 of 100 (Routine)
Bodinayakkanur	India	Record daily precipitation	68.6 mm (2.7 in)	30 of 100 (Routine)
Dindigul	India	Record daily precipitation	67.8 mm (2.7 in)	30 of 100 (Routine)
Mudukulathur	India	Record daily precipitation	80.3 mm (3.2 in)	30 of 100 (Routine)
Tenkasi	India	Record daily precipitation	97.0 mm (3.8 in)	30 of 100 (Routine)
Nidamangalam	India	Record daily precipitation	226.1 mm (8.9 in)	29 of 100 (Routine)
Chatrapatti	India	Record daily precipitation	116.8 mm (4.6 in)	28 of 100 (Routine)
Karambakkudi	India	Record daily precipitation	140.7 mm (5.5 in)	28 of 100 (Routine)
Arasadi	India	Record daily precipitation	153.7 mm (6.1 in)	28 of 100 (Routine)
Tirumangalam	India	Record daily precipitation	55.1 mm (2.2 in)	27 of 100 (Routine)
Sattur	India	Record daily precipitation	68.6 mm (2.7 in)	27 of 100 (Routine)
Watertown	United States	Record daily precipitation	25.4 mm (1.0 in)	27 of 100 (Routine)
Sitka Magnetic Obsy	United States	Record low maximum temperature	0.6 C (33.1 F)	27 of 100 (Routine)
Quesnel	Canada	Record daily snowfall	8.9 cm (3.5 in)	25 of 100 (Routine)
Sivakasi	India	Record daily precipitation	46.2 mm (1.8 in)	25 of 100 (Routine)
Valangiman	India	Record daily precipitation	169.4 mm (6.7 in)	25 of 100 (Routine)
Pudukkottai	India	Record daily precipitation	99.1 mm (3.9 in)	24 of 100 (Routine)
Alangudi	India	Record daily precipitation	94.5 mm (3.7 in)	24 of 100 (Routine)
Tirukkattupalli	India	Record daily precipitation	76.5 mm (3.0 in)	23 of 100 (Routine)
Alberni Beaver Creek	Canada	Record daily precipitation	47.2 mm (1.9 in)	21 of 100 (Routine)
Kozhikode	India	Record daily precipitation	45.0 mm (1.8 in)	21 of 100 (Routine)
Paramakudi	India	Record daily precipitation	63.5 mm (2.5 in)	21 of 100 (Routine)
Ambasamudram	India	Record daily precipitation	96.5 mm (3.8 in)	21 of 100 (Routine)
Waseca	Canada	Record daily precipitation	15.2 mm (0.6 in)	20 of 100 (Routine)
Woodstock	Canada	Record daily precipitation	21.1 mm (0.8 in)	20 of 100 (Routine)
Blagovescensk	Russia	Record daily precipitation	8.7 mm (0.34 in)	20 of 100 (Routine)
Colusa Brg	United States	Record daily precipitation	18.8 mm (0.7 in)	20 of 100 (Routine)
New Norcia	Australia	Record daily precipitation	14.7 mm (0.6 in)	20 of 100 (Routine)
White Well	Australia	Record daily precipitation	10.4 mm (0.4 in)	20 of 100 (Routine)
Mannum (Sanderston)	Australia	Record daily precipitation	10.2 mm (0.4 in)	20 of 100 (Routine)
Port Arthur	Australia	Record daily precipitation	18.5 mm (0.7 in)	20 of 100 (Routine)
Susanville 2SW	United States	Record daily precipitation	16.8 mm (0.7 in)	20 of 100 (Routine)
Cape York Post Office	Australia	Record daily precipitation	15.2 mm (0.6 in)	20 of 100 (Routine)
Oktjabrskij-Gorodok	Russia	Record daily precipitation	7.0 mm (0.28 in)	20 of 100 (Routine)
Liberty	United States	Record daily precipitation	16.8 mm (0.7 in)	20 of 100 (Routine)
Rivers Inlet	Canada	Record daily snowfall	2.5 cm (1.0 in)	20 of 100 (Routine)
Lakeside	United States	Record daily precipitation	9.1 mm (0.36 in)	20 of 100 (Routine)
Tewantin Post Office	Australia	Record high maximum temperature	32.2 C (90.0 F)	20 of 100 (Routine)
Brome	Canada	Record high minimum temperature	8.9 C (48.0 F)	20 of 100 (Routine)
Sankarankoil	India	Record daily precipitation	50.8 mm (2.0 in)	20 of 100 (Routine)

Counts by Type and Timescale

201 records

Records set or tied on 6 November 1940 by type: Highest daily maximum 11, Lowest daily maximum 24, Highest daily minimum 13, Lowest daily minimum 8, Heaviest daily rainfall 138, Heaviest daily snowfall 7.

Records on 6 November 1940 by type
Record type	Records
Highest daily maximum	11
Lowest daily maximum	24
Highest daily minimum	13
Lowest daily minimum	8
Heaviest daily rainfall	138
Heaviest daily snowfall	7
Deepest snow cover	0

Records on 6 November 1940 by timescale: all-time 3, monthly 1, daily 197.

How Much Records Were Beaten By

177 broken records

Margins by which the 177 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 176.2. Ties are not counted.

Top 20 by Significance

6 November 1940

Top 20 records on 6 November 1940 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
6 November 1940	Butterworth (Tnk), ZA	daily rain	68.1 mm (2.7 in)	51.6 mm (2.0 in)	46 years	59 of 100 (Notable)
6 November 1940	Ottapidaram, IN	all-time rain	175.3 mm (6.9 in)	28.7 mm (1.1 in)	36 years	50 of 100 (Notable)
6 November 1940	Nagappattinam, IN	daily rain	263.1 mm (10.4 in)	176.2 mm (6.9 in)	7 years	46 of 100 (Notable)
6 November 1940	Tiruvarur, IN	daily rain	234.4 mm (9.2 in)	121.1 mm (4.8 in)	21 years	45 of 100 (Notable)
6 November 1940	Srivaikuntam, IN	daily rain	119.1 mm (4.7 in)	77.2 mm (3.0 in)	6 years	45 of 100 (Notable)
6 November 1940	Vedasandur, IN	daily rain	76.2 mm (3.0 in)	47.8 mm (1.9 in)	37 years	43 of 100 (Notable)
6 November 1940	Kadayam, IN	daily rain	105.7 mm (4.2 in)	67.6 mm (2.7 in)	20 years	42 of 100 (Notable)
6 November 1940	Vallam, IN	daily rain	143.0 mm (5.6 in)	68.3 mm (2.7 in)	21 years	41 of 100 (Notable)
6 November 1940	Vilatnikulam, IN	daily rain	86.4 mm (3.4 in)	57.4 mm (2.3 in)	8 years	39 of 100 (Notable)
6 November 1940	Waseca, CA	daily snowfall	15.2 cm (6.0 in)	12.7 cm (5.0 in)	5 years	38 of 100 (Notable)
6 November 1940	Bic, CA	daily rain	35.8 mm (1.4 in)	15.5 mm (0.6 in)	43 years	37 of 100 (Notable)
6 November 1940	Tanjavur, IN	daily rain	126.5 mm (5.0 in)	68.8 mm (2.7 in)	14 years	35 of 100 (Notable)
6 November 1940	Morekulam, IN	daily rain	76.2 mm (3.0 in)	52.8 mm (2.1 in)	23 years	34 of 100 (Routine)
6 November 1940	Adanakottai, IN	daily rain	132.1 mm (5.2 in)	60.2 mm (2.4 in)	23 years	34 of 100 (Routine)
6 November 1940	Kirnur Nam, IN	daily rain	93.5 mm (3.7 in)	49.8 mm (2.0 in)	26 years	34 of 100 (Routine)
6 November 1940	Ravensthorpe, AU	monthly rain	33.3 mm (1.3 in)	6.9 mm (0.27 in)	20 years	33 of 100 (Routine)
6 November 1940	Nanaimo, CA	daily rain	42.9 mm (1.7 in)	24.6 mm (1.0 in)	9 years	33 of 100 (Routine)
6 November 1940	Uthamapalayam, IN	daily rain	81.5 mm (3.2 in)	33.7 mm (1.3 in)	33 years	33 of 100 (Routine)
6 November 1940	Ko253Lpatti Sr, IN	daily rain	83.8 mm (3.3 in)	33.0 mm (1.3 in)	38 years	32 of 100 (Routine)
6 November 1940	Mannargudi, IN	daily rain	162.6 mm (6.4 in)	59.5 mm (2.3 in)	21 years	31 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 201 records.

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

Records on 11-06 in each year
Year	Records
1793	1
1795	1
1804	1
1805	1
1812	1
1819	1
1828	2
1834	1
1835	2
1840	1
1842	3
1845	1
1849	1
1851	2
1856	2
1858	1
1860	1
1863	1
1864	2
1868	1
1870	1
1874	2
1875	1
1877	1
1878	2
1879	1
1885	3
1886	1
1888	3
1890	2
1891	2
1893	2
1894	1
1895	7
1896	3
1898	3
1899	12
1900	2
1901	4
1902	6
1903	4
1904	6
1905	15
1906	13
1907	13
1908	21
1909	7
1910	52
1911	27
1912	53
1913	20
1914	36
1915	20
1916	127
1917	30
1918	40
1919	60
1920	53
1921	98
1922	84
1923	119
1924	737
1925	139
1926	123
1927	405
1928	86
1929	89
1930	439
1931	284
1932	307
1933	661
1934	626
1935	527
1936	356
1937	124
1938	1,098
1939	390
1940	201
1941	512
1942	373
1943	238
1944	459
1945	498
1946	682
1947	405
1948	1,219
1949	517
1950	314
1951	1,832
1952	193
1953	1,218
1954	442
1955	311
1956	431
1957	359
1958	227
1959	1,800
1960	388
1961	480
1962	343
1963	493
1964	259
1965	272
1966	548
1967	889
1968	463
1969	756
1970	407
1971	789
1972	387
1973	1,110
1974	355
1975	1,381
1976	653
1977	966
1978	762
1979	581
1980	1,353
1981	673
1982	698
1983	650
1984	536
1985	664
1986	810
1987	806
1988	1,010
1989	1,048
1990	1,240
1991	2,360
1992	1,450
1993	965
1994	1,368
1995	1,464
1996	1,720
1997	849
1998	752
1999	1,367
2000	1,575
2001	879
2002	1,220
2003	2,143
2004	828
2005	1,176
2006	1,397
2007	591
2008	1,266
2009	916
2010	1,349
2011	1,046
2012	894
2013	871
2014	453
2015	1,664
2016	838
2017	1,069
2018	633
2019	561
2020	1,351
2021	456
2022	907
2023	719
2024	1,239
2025	502

Download the Data

Data for records on 1940-11-06: 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 25	136
25 to 50	26
50 to 75	11
75 to 100	1
100 to 125	1
125 to 150	1
150 to 175	0
175 to 200	1