Weather Records on 10 October 1940

176 weather records were set or tied worldwide on 10 October 1940. Highest significance: Nelson, CA.

Key Facts for 10 October 1940

On 10 October 1940, 176 weather records were set or tied at long-record stations worldwide.
76 were record highs and 15 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 7 monthly and 168 daily.
Nelson set an all-time record daily precipitation of 65.8 mm (2.6 in) on 10 October 1940.
Across 164 earlier years (1793 to 2026) the same calendar date averaged 448 records.

Record Map

176 stations

176 station records on 10 October 1940 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 10 October 1940: highest significance records shown on the map
Station	Country	Type	Value	Significance
Nelson	Canada	Record daily precipitation	65.8 mm (2.6 in)	62 of 100 (Major)
Harapanahalli	India	Record daily precipitation	85.1 mm (3.4 in)	49 of 100 (Notable)
Triprayar	India	Record daily precipitation	146.6 mm (5.8 in)	45 of 100 (Notable)
Hadagalli	India	Record daily precipitation	95.3 mm (3.8 in)	42 of 100 (Notable)
Mundargi	India	Record daily precipitation	71.4 mm (2.8 in)	41 of 100 (Notable)
Jagalur	India	Record daily precipitation	86.6 mm (3.4 in)	40 of 100 (Notable)
Holalkhere	India	Record daily precipitation	83.1 mm (3.3 in)	37 of 100 (Notable)
Bangarpet	India	Record daily precipitation	99.1 mm (3.9 in)	37 of 100 (Notable)
Kozhikode	India	Record daily precipitation	189.2 mm (7.4 in)	35 of 100 (Notable)
Tiruvangadi	India	Record daily precipitation	95.8 mm (3.8 in)	35 of 100 (Notable)
Chitradurga	India	Record daily precipitation	101.9 mm (4.0 in)	33 of 100 (Routine)
Fort Cochin	India	Record daily precipitation	83.8 mm (3.3 in)	32 of 100 (Routine)
Hosadurga	India	Record daily precipitation	100.8 mm (4.0 in)	28 of 100 (Routine)
Quilandi	India	Record daily precipitation	129.3 mm (5.1 in)	28 of 100 (Routine)
Haiku 490	United States	Record low minimum temperature	15.0 C (59.0 F)	28 of 100 (Routine)
Grapeview 3 SW	United States	Record daily precipitation	33.3 mm (1.3 in)	27 of 100 (Routine)
Chowghat	India	Record daily precipitation	87.6 mm (3.4 in)	26 of 100 (Routine)
Landsburg	United States	Record daily precipitation	33.0 mm (1.3 in)	26 of 100 (Routine)
Neidavasal	India	Record daily precipitation	78.7 mm (3.1 in)	25 of 100 (Routine)
Markapur	India	Record daily precipitation	59.7 mm (2.4 in)	24 of 100 (Routine)
Navalgund	India	Record daily precipitation	40.6 mm (1.6 in)	24 of 100 (Routine)
Vedaranayam	India	Record daily precipitation	77.2 mm (3.0 in)	24 of 100 (Routine)
Hermiston 1 SE	United States	Record high minimum temperature	17.8 C (64.0 F)	24 of 100 (Routine)
Kalgoorlie Post Office	Australia	Record high minimum temperature	20.7 C (69.3 F)	23 of 100 (Routine)
Hindupur	India	Record daily precipitation	37.8 mm (1.5 in)	23 of 100 (Routine)
Kudligi	India	Record daily precipitation	62.0 mm (2.4 in)	23 of 100 (Routine)
Ponnani	India	Record daily precipitation	142.5 mm (5.6 in)	23 of 100 (Routine)
Parasala	India	Record daily precipitation	65.0 mm (2.6 in)	23 of 100 (Routine)
Sattur	India	Record daily precipitation	80.0 mm (3.1 in)	23 of 100 (Routine)
Col du Grand St-Bernard	Switzerland	Record daily precipitation	39.0 mm (1.5 in)	23 of 100 (Routine)
Forest Grove	United States	Record high minimum temperature	15.0 C (59.0 F)	23 of 100 (Routine)
Vengurla	India	Record daily precipitation	61.7 mm (2.4 in)	22 of 100 (Routine)
Quinault Rs	United States	Record daily precipitation	86.6 mm (3.4 in)	22 of 100 (Routine)
Snoqualmie Falls	United States	Record daily precipitation	37.3 mm (1.5 in)	22 of 100 (Routine)
Harihar	India	Record daily precipitation	41.9 mm (1.6 in)	21 of 100 (Routine)
Virudhunagar	India	Record daily precipitation	47.8 mm (1.9 in)	21 of 100 (Routine)
Honomanu 450	United States	Record high maximum temperature	28.9 C (84.0 F)	21 of 100 (Routine)
Yerevan	Armenia	Record daily precipitation	14.8 mm (0.6 in)	20 of 100 (Routine)
Atyrau	Kazakhstan	Record daily precipitation	21.1 mm (0.8 in)	20 of 100 (Routine)
Kizljar	Russia	Record daily precipitation	15.3 mm (0.6 in)	20 of 100 (Routine)
Darsi	India	Record daily precipitation	54.6 mm (2.1 in)	20 of 100 (Routine)
Deogarh (Bamra)	India	Record daily precipitation	38.9 mm (1.5 in)	20 of 100 (Routine)
Girona (Antic Institut)	Spain	Record daily precipitation	33.0 mm (1.3 in)	20 of 100 (Routine)
Sion 2	Switzerland	Record daily precipitation	21.1 mm (0.8 in)	20 of 100 (Routine)
San Jon	United States	Record high minimum temperature	20.6 C (69.1 F)	19 of 100 (Routine)
Bend	United States	Record high minimum temperature	10.0 C (50.0 F)	19 of 100 (Routine)
Cedar Lake	United States	Record daily precipitation	58.7 mm (2.3 in)	19 of 100 (Routine)
Vashon Island	United States	Record daily precipitation	21.6 mm (0.9 in)	19 of 100 (Routine)
Esperance Post Office	Australia	Record high minimum temperature	17.4 C (63.3 F)	18 of 100 (Routine)
Kalgoorlie Post Office	Australia	Record high maximum temperature	37.3 C (99.1 F)	18 of 100 (Routine)
Pulivendla	India	Record daily precipitation	39.6 mm (1.6 in)	18 of 100 (Routine)
Podili(Podile)	India	Record daily precipitation	43.2 mm (1.7 in)	18 of 100 (Routine)
Bidar	India	Record daily precipitation	28.2 mm (1.1 in)	18 of 100 (Routine)
Biser	Russia	Record low minimum temperature	-9.0 C (15.8 F)	18 of 100 (Routine)
Nikolaev	Ukraine	Record daily precipitation	13.0 mm (0.5 in)	18 of 100 (Routine)
Las Vegas 2 NW	United States	Record high maximum temperature	31.7 C (89.1 F)	18 of 100 (Routine)
The Dalles	United States	Record high minimum temperature	13.3 C (55.9 F)	18 of 100 (Routine)
Southern Cross	Australia	Record high maximum temperature	35.6 C (96.1 F)	17 of 100 (Routine)
Peapalli(Pyapali)	India	Record daily precipitation	71.6 mm (2.8 in)	17 of 100 (Routine)
Ambalapuza	India	Record daily precipitation	45.7 mm (1.8 in)	17 of 100 (Routine)

Counts by Type and Timescale

176 records

Records set or tied on 10 October 1940 by type: Highest daily maximum 11, Lowest daily maximum 3, Highest daily minimum 65, Lowest daily minimum 12, Heaviest daily rainfall 85.

Records on 10 October 1940 by type
Record type	Records
Highest daily maximum	11
Lowest daily maximum	3
Highest daily minimum	65
Lowest daily minimum	12
Heaviest daily rainfall	85
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 10 October 1940 by timescale: all-time 1, monthly 7, daily 168.

How Much Records Were Beaten By

142 broken records

Margins by which the 142 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 111.5. Ties are not counted.

Top 20 by Significance

10 October 1940

Top 20 records on 10 October 1940 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
10 October 1940	Nelson, CA	all-time rain	65.8 mm (2.6 in)	17.5 mm (0.7 in)	17 years	62 of 100 (Major)
10 October 1940	Harapanahalli, IN	daily rain	85.1 mm (3.4 in)	60.0 mm (2.4 in)	36 years	49 of 100 (Notable)
10 October 1940	Triprayar, IN	daily rain	146.6 mm (5.8 in)	111.5 mm (4.4 in)	6 years	45 of 100 (Notable)
10 October 1940	Hadagalli, IN	daily rain	95.3 mm (3.8 in)	53.4 mm (2.1 in)	28 years	42 of 100 (Notable)
10 October 1940	Mundargi, IN	daily rain	71.4 mm (2.8 in)	57.2 mm (2.3 in)	28 years	41 of 100 (Notable)
10 October 1940	Jagalur, IN	daily rain	86.6 mm (3.4 in)	58.7 mm (2.3 in)	14 years	40 of 100 (Notable)
10 October 1940	Holalkhere, IN	daily rain	83.1 mm (3.3 in)	41.2 mm (1.6 in)	38 years	37 of 100 (Notable)
10 October 1940	Bangarpet, IN	monthly rain	99.1 mm (3.9 in)	24.2 mm (1.0 in)	20 years	37 of 100 (Notable)
10 October 1940	Kozhikode, IN	monthly rain	189.2 mm (7.4 in)	44.2 mm (1.7 in)	7 years	35 of 100 (Notable)
10 October 1940	Tiruvangadi, IN	daily rain	95.8 mm (3.8 in)	54.1 mm (2.1 in)	27 years	35 of 100 (Notable)
10 October 1940	Chitradurga, IN	daily rain	101.9 mm (4.0 in)	33.6 mm (1.3 in)	38 years	33 of 100 (Routine)
10 October 1940	Fort Cochin, IN	daily rain	83.8 mm (3.3 in)	52.0 mm (2.0 in)	25 years	32 of 100 (Routine)
10 October 1940	Hosadurga, IN	monthly rain	100.8 mm (4.0 in)	7.3 mm (0.29 in)	33 years	28 of 100 (Routine)
10 October 1940	Quilandi, IN	daily rain	129.3 mm (5.1 in)	49.8 mm (2.0 in)	10 years	28 of 100 (Routine)
10 October 1940	Haiku 490, US	daily low min	15.0 C (59.0 F)	2.2 C (4.0 F)	24 years	28 of 100 (Routine)
10 October 1940	Grapeview 3 SW, US	daily rain	33.3 mm (1.3 in)	19.1 mm (0.8 in)	26 years	27 of 100 (Routine)
10 October 1940	Chowghat, IN	daily rain	87.6 mm (3.4 in)	43.1 mm (1.7 in)	10 years	26 of 100 (Routine)
10 October 1940	Landsburg, US	daily rain	33.0 mm (1.3 in)	16.0 mm (0.6 in)	29 years	26 of 100 (Routine)
10 October 1940	Neidavasal, IN	daily rain	78.7 mm (3.1 in)	45.7 mm (1.8 in)	26 years	25 of 100 (Routine)
10 October 1940	Markapur, IN	daily rain	59.7 mm (2.4 in)	33.8 mm (1.3 in)	14 years	24 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 176 records.

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

Records on 10-10 in each year
Year	Records
1793	1
1799	1
1802	2
1803	1
1809	1
1834	1
1839	1
1842	1
1850	2
1854	1
1856	1
1859	1
1860	3
1861	1
1864	1
1865	1
1866	1
1867	3
1875	2
1876	2
1878	2
1879	3
1881	1
1884	1
1885	1
1886	2
1887	6
1888	2
1889	1
1890	1
1891	3
1892	2
1893	2
1894	2
1895	3
1896	3
1897	6
1899	4
1900	6
1901	6
1902	6
1903	8
1904	14
1905	8
1906	46
1907	9
1908	14
1909	29
1910	27
1911	16
1912	25
1913	54
1914	36
1915	17
1916	34
1917	49
1918	8
1919	106
1920	41
1921	125
1922	48
1923	119
1924	90
1925	374
1926	146
1927	62
1928	434
1929	254
1930	362
1931	431
1932	292
1933	169
1934	510
1935	434
1936	354
1937	420
1938	427
1939	505
1940	176
1941	295
1942	265
1943	510
1944	159
1945	304
1946	479
1947	451
1948	327
1949	1,525
1950	569
1951	439
1952	473
1953	371
1954	471
1955	543
1956	616
1957	295
1958	847
1959	847
1960	372
1961	680
1962	495
1963	613
1964	749
1965	295
1966	378
1967	527
1968	269
1969	498
1970	1,047
1971	561
1972	732
1973	1,312
1974	379
1975	403
1976	1,008
1977	526
1978	401
1979	1,677
1980	505
1981	829
1982	1,274
1983	431
1984	566
1985	1,491
1986	828
1987	1,059
1988	613
1989	603
1990	1,498
1991	975
1992	627
1993	798
1994	626
1995	977
1996	993
1997	1,523
1998	630
1999	1,056
2000	2,722
2001	970
2002	793
2003	1,518
2004	544
2005	912
2006	785
2007	768
2008	896
2009	2,211
2010	1,017
2011	994
2012	462
2013	718
2014	649
2015	972
2016	371
2017	1,313
2018	1,780
2019	1,485
2020	756
2021	762
2022	326
2023	651
2024	916
2025	734
2026	583

Download the Data

Data for records on 1940-10-10: 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	115
20 to 40	14
40 to 60	11
60 to 80	1
80 to 100	0
100 to 120	1