Weather Records on 23 October 1940

304 weather records were set or tied worldwide on 23 October 1940. Highest significance: Shillong, IN.

Key Facts for 23 October 1940

On 23 October 1940, 304 weather records were set or tied at long-record stations worldwide.
147 were record highs and 34 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 3 monthly and 301 daily.
Shillong set a daily record precipitation of 101.1 mm (4.0 in) on 23 October 1940.
Across 160 earlier years (1795 to 2025) the same calendar date averaged 464 records.

Record Map

304 stations

304 station records on 23 October 1940 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 23 October 1940: highest significance records shown on the map
Station	Country	Type	Value	Significance
Shillong	India	Record daily precipitation	101.1 mm (4.0 in)	51 of 100 (Notable)
Harmati	India	Record daily precipitation	74.4 mm (2.9 in)	50 of 100 (Notable)
Somwarpet	India	Record daily precipitation	106.7 mm (4.2 in)	38 of 100 (Notable)
Wilton	India	Record daily precipitation	42.9 mm (1.7 in)	37 of 100 (Notable)
Gohpur	India	Record daily precipitation	53.6 mm (2.1 in)	36 of 100 (Notable)
Boreli	India	Record daily precipitation	60.2 mm (2.4 in)	36 of 100 (Notable)
Mawphlang Obsy	India	Record daily precipitation	111.0 mm (4.4 in)	36 of 100 (Notable)
Chicoutimi	Canada	Record daily snowfall	8.6 cm (3.4 in)	35 of 100 (Notable)
Pathalipam	India	Record daily precipitation	79.2 mm (3.1 in)	32 of 100 (Routine)
Republic	United States	Record daily precipitation	26.7 mm (1.1 in)	32 of 100 (Routine)
Bourke Post Office	Australia	Record high minimum temperature	25.6 C (78.1 F)	31 of 100 (Routine)
Bandon 2 NNE	United States	Record daily precipitation	58.4 mm (2.3 in)	31 of 100 (Routine)
Dibrugarh Obsy	India	Record daily precipitation	58.4 mm (2.3 in)	30 of 100 (Routine)
Lares	Puerto Rico [United States]	Record low maximum temperature	25.6 C (78.1 F)	29 of 100 (Routine)
Dhakuakhana	India	Record daily precipitation	57.2 mm (2.3 in)	28 of 100 (Routine)
Sanivarsanthe	India	Record daily precipitation	53.1 mm (2.1 in)	28 of 100 (Routine)
Jowai	India	Record daily precipitation	118.4 mm (4.7 in)	28 of 100 (Routine)
Upper Shillong	India	Record daily precipitation	88.1 mm (3.5 in)	27 of 100 (Routine)
Carson City	United States	Record high minimum temperature	9.4 C (48.9 F)	27 of 100 (Routine)
Wokha	India	Record daily precipitation	34.3 mm (1.4 in)	25 of 100 (Routine)
Haiku 490	United States	Record low minimum temperature	16.1 C (61.0 F)	25 of 100 (Routine)
Chatham	Canada	Record low minimum temperature	-7.2 C (19.0 F)	24 of 100 (Routine)
Kuturi	India	Record daily precipitation	43.4 mm (1.7 in)	24 of 100 (Routine)
Bedetti(Behali)	India	Record daily precipitation	64.3 mm (2.5 in)	22 of 100 (Routine)
Golaghat	India	Record daily precipitation	26.9 mm (1.1 in)	22 of 100 (Routine)
Aravakurichi	India	Record daily precipitation	30.7 mm (1.2 in)	22 of 100 (Routine)
Kulithalai	India	Record daily precipitation	56.4 mm (2.2 in)	22 of 100 (Routine)
Astana	Kazakhstan	Record high minimum temperature	2.1 C (35.8 F)	22 of 100 (Routine)
Coldwater	Canada	Record high maximum temperature	22.2 C (72.0 F)	21 of 100 (Routine)
Balipara(Addibar) Sr	India	Record daily precipitation	39.4 mm (1.6 in)	21 of 100 (Routine)
Belthangady	India	Record daily precipitation	92.7 mm (3.6 in)	21 of 100 (Routine)
Cherrapunji	India	Record daily precipitation	195.1 mm (7.7 in)	21 of 100 (Routine)
Saint Maries	United States	Record high minimum temperature	7.8 C (46.0 F)	21 of 100 (Routine)
Niulii 179	United States	Record high minimum temperature	23.9 C (75.0 F)	21 of 100 (Routine)
Bordertown	Australia	Record daily precipitation	20.8 mm (0.8 in)	20 of 100 (Routine)
Wolseley	Australia	Record daily precipitation	20.1 mm (0.8 in)	20 of 100 (Routine)
St Georges	Canada	Record daily snowfall	4.6 cm (1.8 in)	20 of 100 (Routine)
Victor Harbor Comparison	Australia	Record daily precipitation	19.1 mm (0.8 in)	20 of 100 (Routine)
Port Elliot Caravan Park	Australia	Record daily precipitation	17.3 mm (0.7 in)	20 of 100 (Routine)
Coonalpyn	Australia	Record daily precipitation	14.5 mm (0.6 in)	20 of 100 (Routine)
Warooka	Australia	Record daily precipitation	13.0 mm (0.5 in)	20 of 100 (Routine)
Keith	Australia	Record daily precipitation	18.3 mm (0.7 in)	20 of 100 (Routine)
Finniss	Australia	Record daily precipitation	14.2 mm (0.6 in)	20 of 100 (Routine)
Meningie	Australia	Record daily precipitation	15.2 mm (0.6 in)	20 of 100 (Routine)
Wellington East	Australia	Record daily precipitation	10.4 mm (0.4 in)	20 of 100 (Routine)
Wartook Post Office	Australia	Record daily precipitation	18.8 mm (0.7 in)	20 of 100 (Routine)
Corny Point	Australia	Record daily precipitation	10.9 mm (0.4 in)	20 of 100 (Routine)
Boxdale	Australia	Record daily precipitation	11.9 mm (0.5 in)	20 of 100 (Routine)
Minimay (Booroopki)	Australia	Record daily precipitation	16.0 mm (0.6 in)	20 of 100 (Routine)
Cooke Plains	Australia	Record daily precipitation	10.2 mm (0.4 in)	20 of 100 (Routine)
Stansbury	Australia	Record daily precipitation	12.2 mm (0.5 in)	20 of 100 (Routine)
Kurgan	Russia	Record daily precipitation	13.5 mm (0.5 in)	20 of 100 (Routine)
Lakeside	United States	Record daily precipitation	21.8 mm (0.9 in)	20 of 100 (Routine)
Edithburgh Post Office	Australia	Record daily precipitation	10.9 mm (0.4 in)	20 of 100 (Routine)
Brentwood Post Office	Australia	Record daily precipitation	13.2 mm (0.5 in)	20 of 100 (Routine)
Wirrega (Taunton)	Australia	Record daily precipitation	18.5 mm (0.7 in)	20 of 100 (Routine)
Milang	Australia	Record daily precipitation	12.2 mm (0.5 in)	20 of 100 (Routine)
Inverell Comparison	Australia	Record high maximum temperature	35.7 C (96.3 F)	20 of 100 (Routine)
Nanaimo	Canada	Record daily precipitation	24.1 mm (0.9 in)	20 of 100 (Routine)
Hambantota	Sri Lanka	Record high minimum temperature	25.7 C (78.3 F)	20 of 100 (Routine)

Counts by Type and Timescale

304 records

Records set or tied on 23 October 1940 by type: Highest daily maximum 56, Lowest daily maximum 6, Highest daily minimum 91, Lowest daily minimum 28, Heaviest daily rainfall 121, Heaviest daily snowfall 2.

Records on 23 October 1940 by type
Record type	Records
Highest daily maximum	56
Lowest daily maximum	6
Highest daily minimum	91
Lowest daily minimum	28
Heaviest daily rainfall	121
Heaviest daily snowfall	2
Deepest snow cover	0

Records on 23 October 1940 by timescale: all-time 0, monthly 3, daily 301.

How Much Records Were Beaten By

238 broken records

Margins by which the 238 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 99.6. Ties are not counted.

Top 20 by Significance

23 October 1940

Top 20 records on 23 October 1940 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
23 October 1940	Shillong, IN	daily rain	101.1 mm (4.0 in)	79.5 mm (3.1 in)	28 years	51 of 100 (Notable)
23 October 1940	Harmati, IN	daily rain	74.4 mm (2.9 in)	67.3 mm (2.6 in)	33 years	50 of 100 (Notable)
23 October 1940	Somwarpet, IN	monthly rain	106.7 mm (4.2 in)	18.3 mm (0.7 in)	38 years	38 of 100 (Notable)
23 October 1940	Wilton, IN	daily rain	42.9 mm (1.7 in)	36.5 mm (1.4 in)	36 years	37 of 100 (Notable)
23 October 1940	Gohpur, IN	daily rain	53.6 mm (2.1 in)	39.6 mm (1.6 in)	25 years	36 of 100 (Notable)
23 October 1940	Boreli, IN	daily rain	60.2 mm (2.4 in)	52.6 mm (2.1 in)	2 years	36 of 100 (Notable)
23 October 1940	Mawphlang Obsy, IN	daily rain	111.0 mm (4.4 in)	93.0 mm (3.7 in)	28 years	36 of 100 (Notable)
23 October 1940	Chicoutimi, CA	daily snowfall	8.6 cm (3.4 in)	4.8 cm (1.9 in)	62 years	35 of 100 (Notable)
23 October 1940	Pathalipam, IN	daily rain	79.2 mm (3.1 in)	58.1 mm (2.3 in)	9 years	32 of 100 (Routine)
23 October 1940	Republic, US	monthly rain	26.7 mm (1.1 in)	5.4 mm (0.21 in)	18 years	32 of 100 (Routine)
23 October 1940	Bourke Post Office, AU	daily high min	25.6 C (78.1 F)	2.8 C (5.0 F)	60 years	31 of 100 (Routine)
23 October 1940	Bandon 2 NNE, US	daily rain	58.4 mm (2.3 in)	29.7 mm (1.2 in)	6 years	31 of 100 (Routine)
23 October 1940	Dibrugarh Obsy, IN	daily rain	58.4 mm (2.3 in)	45.2 mm (1.8 in)	2 years	30 of 100 (Routine)
23 October 1940	Lares, PR	daily low max	25.6 C (78.1 F)	2.2 C (4.0 F)	37 years	29 of 100 (Routine)
23 October 1940	Dhakuakhana, IN	daily rain	57.2 mm (2.3 in)	39.7 mm (1.6 in)	2 years	28 of 100 (Routine)
23 October 1940	Sanivarsanthe, IN	daily rain	53.1 mm (2.1 in)	27.2 mm (1.1 in)	15 years	28 of 100 (Routine)
23 October 1940	Jowai, IN	daily rain	118.4 mm (4.7 in)	99.6 mm (3.9 in)	3 years	28 of 100 (Routine)
23 October 1940	Upper Shillong, IN	daily rain	88.1 mm (3.5 in)	53.6 mm (2.1 in)	2 years	27 of 100 (Routine)
23 October 1940	Carson City, US	daily high min	9.4 C (48.9 F)	4.4 C (7.9 F)	45 years	27 of 100 (Routine)
23 October 1940	Wokha, IN	daily rain	34.3 mm (1.4 in)	14.7 mm (0.6 in)	35 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

1795 to 1940

Records set or tied on this calendar date in each year from 1795 to 1940. 1940 had 304 records.

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

Records on 10-23 in each year
Year	Records
1795	1
1802	2
1843	1
1845	1
1850	1
1851	2
1855	1
1859	2
1861	1
1863	1
1865	2
1866	1
1869	3
1871	2
1872	1
1873	2
1876	2
1878	1
1880	7
1881	2
1882	1
1883	1
1885	2
1888	1
1889	2
1890	2
1891	8
1892	3
1893	3
1894	5
1895	4
1896	2
1897	3
1898	5
1899	4
1900	8
1901	7
1902	7
1903	10
1904	7
1905	15
1906	17
1907	5
1908	19
1909	12
1910	6
1911	40
1912	50
1913	38
1914	9
1915	167
1916	290
1917	62
1918	12
1919	42
1920	262
1921	58
1922	38
1923	165
1924	160
1925	191
1926	131
1927	266
1928	120
1929	352
1930	310
1931	353
1932	310
1933	241
1934	333
1935	519
1936	490
1937	816
1938	403
1939	717
1940	304
1941	499
1942	306
1943	446
1944	283
1945	533
1946	258
1947	631
1948	251
1949	432
1950	507
1951	626
1952	432
1953	373
1954	317
1955	266
1956	587
1957	1,266
1958	255
1959	682
1960	341
1961	329
1962	141
1963	1,297
1964	264
1965	330
1966	625
1967	297
1968	175
1969	1,200
1970	617
1971	705
1972	601
1973	712
1974	653
1975	1,028
1976	879
1977	578
1978	570
1979	1,094
1980	584
1981	1,502
1982	1,071
1983	853
1984	1,261
1985	846
1986	968
1987	694
1988	619
1989	1,363
1990	954
1991	1,232
1992	1,176
1993	670
1994	558
1995	1,471
1996	1,396
1997	1,172
1998	1,221
1999	1,011
2000	1,275
2001	1,091
2002	1,868
2003	1,952
2004	1,224
2005	679
2006	1,976
2007	1,673
2008	993
2009	838
2010	683
2011	701
2012	1,017
2013	754
2014	755
2015	760
2016	460
2017	603
2018	322
2019	459
2020	1,777
2021	298
2022	1,342
2023	544
2024	674
2025	343

Download the Data

Data for records on 1940-10-23: 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	214
20 to 40	12
40 to 60	6
60 to 80	2
80 to 100	4