Weather Records on 15 October 1940

458 weather records were set or tied worldwide on 15 October 1940. Highest significance: Georgetown, CA.

Key Facts for 15 October 1940

On 15 October 1940, 458 weather records were set or tied at long-record stations worldwide.
72 were record highs and 91 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 4 monthly and 454 daily.
Georgetown set a daily record precipitation of 31.0 mm (1.2 in) on 15 October 1940.
Across 159 earlier years (1794 to 2025) the same calendar date averaged 460 records.

Record Map

458 stations

458 station records on 15 October 1940 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 15 October 1940: highest significance records shown on the map
Station	Country	Type	Value	Significance
Georgetown	Canada	Record daily precipitation	31.0 mm (1.2 in)	55 of 100 (Notable)
Telhara	India	Record daily precipitation	74.9 mm (2.9 in)	54 of 100 (Notable)
Chandor	India	Record daily precipitation	98.3 mm (3.9 in)	50 of 100 (Notable)
Wauseon Wtp	United States	Record daily precipitation	36.1 mm (1.4 in)	50 of 100 (Notable)
Khamgaon	India	Record daily precipitation	57.2 mm (2.3 in)	48 of 100 (Notable)
Barsi	India	Record daily precipitation	65.5 mm (2.6 in)	46 of 100 (Notable)
Shegaon	India	Record daily precipitation	60.5 mm (2.4 in)	45 of 100 (Notable)
Bluffton Wtr Wks	United States	Record daily precipitation	38.4 mm (1.5 in)	44 of 100 (Notable)
Bidar	India	Record daily precipitation	87.4 mm (3.4 in)	43 of 100 (Notable)
Tindivanam	India	Record daily precipitation	78.7 mm (3.1 in)	39 of 100 (Notable)
Swellendam (Tnk)	South Africa	Record daily precipitation	38.1 mm (1.5 in)	39 of 100 (Notable)
Manpur(Tappa)	India	Record daily precipitation	40.6 mm (1.6 in)	38 of 100 (Notable)
Talegaon	India	Record daily precipitation	66.8 mm (2.6 in)	38 of 100 (Notable)
Huntington	United States	Record daily precipitation	29.2 mm (1.1 in)	38 of 100 (Notable)
Jammalamadugu	India	Record daily precipitation	55.1 mm (2.2 in)	37 of 100 (Notable)
Umerkhed	India	Record daily precipitation	45.2 mm (1.8 in)	37 of 100 (Notable)
Montpelier	United States	Record daily precipitation	30.7 mm (1.2 in)	37 of 100 (Notable)
Dodballapur	India	Record daily precipitation	66.5 mm (2.6 in)	36 of 100 (Notable)
Harkerville (Bos)	South Africa	Record daily precipitation	48.3 mm (1.9 in)	36 of 100 (Notable)
Nizamabad	India	Record daily precipitation	64.3 mm (2.5 in)	35 of 100 (Notable)
Lankaran	Azerbaijan	Record daily precipitation	85.8 mm (3.4 in)	34 of 100 (Routine)
Koilkuntla	India	Record daily precipitation	50.5 mm (2.0 in)	33 of 100 (Routine)
Dhone	India	Record daily precipitation	59.4 mm (2.3 in)	33 of 100 (Routine)
Crawfordsville Pwr Plt	United States	Record daily precipitation	27.4 mm (1.1 in)	33 of 100 (Routine)
Port Lincoln (Woolga)	Australia	Record daily precipitation	38.1 mm (1.5 in)	32 of 100 (Routine)
Khamaria	India	Record daily precipitation	56.9 mm (2.2 in)	32 of 100 (Routine)
Amraoti	India	Record daily precipitation	30.5 mm (1.2 in)	32 of 100 (Routine)
Balapur	India	Record daily precipitation	31.0 mm (1.2 in)	31 of 100 (Routine)
Parola	India	Record daily precipitation	39.6 mm (1.6 in)	31 of 100 (Routine)
Cambridge City 3 N	United States	Record daily precipitation	27.2 mm (1.1 in)	30 of 100 (Routine)
Wayne	United States	Record daily precipitation	25.9 mm (1.0 in)	30 of 100 (Routine)
Kholapur	India	Record daily precipitation	31.0 mm (1.2 in)	29 of 100 (Routine)
Mehkar	India	Record daily precipitation	46.7 mm (1.8 in)	29 of 100 (Routine)
Pandharpur	India	Record daily precipitation	53.3 mm (2.1 in)	29 of 100 (Routine)
Lares	Puerto Rico [United States]	Record low maximum temperature	26.7 C (80.1 F)	29 of 100 (Routine)
Millwood (Bos)	South Africa	Record daily precipitation	29.2 mm (1.1 in)	29 of 100 (Routine)
Charleston	United States	Record daily precipitation	30.7 mm (1.2 in)	29 of 100 (Routine)
Khairagarh	India	Record daily precipitation	75.7 mm (3.0 in)	28 of 100 (Routine)
Mirajgaon	India	Record daily precipitation	67.3 mm (2.6 in)	28 of 100 (Routine)
Erandol	India	Record daily precipitation	25.4 mm (1.0 in)	28 of 100 (Routine)
Bucyrus	United States	Record daily precipitation	27.9 mm (1.1 in)	28 of 100 (Routine)
Dannemora	United States	Record daily precipitation	30.5 mm (1.2 in)	27 of 100 (Routine)
Findlay Wpcc	United States	Record daily precipitation	25.9 mm (1.0 in)	27 of 100 (Routine)
Kamalapuram	India	Record daily precipitation	54.6 mm (2.1 in)	26 of 100 (Routine)
Rayachoti	India	Record daily precipitation	109.2 mm (4.3 in)	26 of 100 (Routine)
Sirur	India	Record daily precipitation	45.5 mm (1.8 in)	26 of 100 (Routine)
Caguas	Puerto Rico [United States]	Record low maximum temperature	26.7 C (80.1 F)	26 of 100 (Routine)
Defiance	United States	Record daily precipitation	27.4 mm (1.1 in)	26 of 100 (Routine)
Haiku 490	United States	Record low minimum temperature	15.6 C (60.1 F)	26 of 100 (Routine)
Mungeli	India	Record daily precipitation	41.9 mm (1.6 in)	25 of 100 (Routine)
Bellefontaine	United States	Record daily precipitation	30.5 mm (1.2 in)	25 of 100 (Routine)
Kopargaon	India	Record daily precipitation	78.7 mm (3.1 in)	24 of 100 (Routine)
Tasgaon	India	Record daily precipitation	47.0 mm (1.9 in)	24 of 100 (Routine)
Chandur Bazar	India	Record daily precipitation	32.5 mm (1.3 in)	23 of 100 (Routine)
Lottering (Bos)	South Africa	Record daily precipitation	38.9 mm (1.5 in)	23 of 100 (Routine)
Sidhout(Siddavat)	India	Record daily precipitation	52.6 mm (2.1 in)	22 of 100 (Routine)
Mudhol	India	Record daily precipitation	33.0 mm (1.3 in)	22 of 100 (Routine)
Shrigonda	India	Record daily precipitation	44.2 mm (1.7 in)	22 of 100 (Routine)
Dahiwadi	India	Record daily precipitation	38.1 mm (1.5 in)	22 of 100 (Routine)
Sveg	Sweden	Record high minimum temperature	4.8 C (40.6 F)	22 of 100 (Routine)

Counts by Type and Timescale

458 records

Records set or tied on 15 October 1940 by type: Highest daily maximum 51, Lowest daily maximum 15, Highest daily minimum 21, Lowest daily minimum 76, Heaviest daily rainfall 295.

Records on 15 October 1940 by type
Record type	Records
Highest daily maximum	51
Lowest daily maximum	15
Highest daily minimum	21
Lowest daily minimum	76
Heaviest daily rainfall	295
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 15 October 1940 by timescale: all-time 0, monthly 4, daily 454.

How Much Records Were Beaten By

390 broken records

Margins by which the 390 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 72.4. Ties are not counted.

Top 20 by Significance

15 October 1940

Top 20 records on 15 October 1940 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
15 October 1940	Georgetown, CA	daily rain	31.0 mm (1.2 in)	27.7 mm (1.1 in)	55 years	55 of 100 (Notable)
15 October 1940	Telhara, IN	daily rain	74.9 mm (2.9 in)	72.4 mm (2.9 in)	36 years	54 of 100 (Notable)
15 October 1940	Chandor, IN	daily rain	98.3 mm (3.9 in)	69.9 mm (2.8 in)	23 years	50 of 100 (Notable)
15 October 1940	Wauseon Wtp, US	daily rain	36.1 mm (1.4 in)	27.7 mm (1.1 in)	37 years	50 of 100 (Notable)
15 October 1940	Khamgaon, IN	daily rain	57.2 mm (2.3 in)	57.2 mm (2.3 in)	39 years	48 of 100 (Notable)
15 October 1940	Barsi, IN	daily rain	65.5 mm (2.6 in)	51.5 mm (2.0 in)	7 years	46 of 100 (Notable)
15 October 1940	Shegaon, IN	daily rain	60.5 mm (2.4 in)	60.5 mm (2.4 in)	39 years	45 of 100 (Notable)
15 October 1940	Bluffton Wtr Wks, US	daily rain	38.4 mm (1.5 in)	29.5 mm (1.2 in)	37 years	44 of 100 (Notable)
15 October 1940	Bidar, IN	daily rain	87.4 mm (3.4 in)	51.3 mm (2.0 in)	28 years	43 of 100 (Notable)
15 October 1940	Tindivanam, IN	daily rain	78.7 mm (3.1 in)	55.6 mm (2.2 in)	35 years	39 of 100 (Notable)
15 October 1940	Swellendam (Tnk), ZA	daily rain	38.1 mm (1.5 in)	22.9 mm (0.9 in)	51 years	39 of 100 (Notable)
15 October 1940	Manpur(Tappa), IN	daily rain	40.6 mm (1.6 in)	38.1 mm (1.5 in)	39 years	38 of 100 (Notable)
15 October 1940	Talegaon, IN	daily rain	66.8 mm (2.6 in)	49.0 mm (1.9 in)	9 years	38 of 100 (Notable)
15 October 1940	Huntington, US	daily rain	29.2 mm (1.1 in)	24.1 mm (0.9 in)	37 years	38 of 100 (Notable)
15 October 1940	Jammalamadugu, IN	daily rain	55.1 mm (2.2 in)	44.4 mm (1.7 in)	7 years	37 of 100 (Notable)
15 October 1940	Umerkhed, IN	daily rain	45.2 mm (1.8 in)	44.2 mm (1.7 in)	25 years	37 of 100 (Notable)
15 October 1940	Montpelier, US	daily rain	30.7 mm (1.2 in)	25.6 mm (1.0 in)	26 years	37 of 100 (Notable)
15 October 1940	Dodballapur, IN	daily rain	66.5 mm (2.6 in)	52.5 mm (2.1 in)	12 years	36 of 100 (Notable)
15 October 1940	Harkerville (Bos), ZA	daily rain	48.3 mm (1.9 in)	28.7 mm (1.1 in)	24 years	36 of 100 (Notable)
15 October 1940	Nizamabad, IN	daily rain	64.3 mm (2.5 in)	53.9 mm (2.1 in)	15 years	35 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

1794 to 1940

Records set or tied on this calendar date in each year from 1794 to 1940. 1940 had 458 records.

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

Records on 10-15 in each year
Year	Records
1794	1
1795	1
1796	1
1807	1
1808	2
1836	1
1838	1
1839	1
1849	1
1859	2
1862	1
1870	2
1871	4
1873	1
1875	1
1876	3
1877	1
1878	3
1879	3
1881	3
1882	4
1885	2
1886	1
1887	8
1889	2
1891	4
1892	1
1893	5
1894	9
1895	3
1896	8
1897	2
1898	3
1899	4
1900	3
1901	4
1902	7
1903	13
1904	10
1905	13
1906	7
1907	11
1908	13
1909	17
1910	14
1911	18
1912	17
1913	70
1914	28
1915	48
1916	21
1917	29
1918	21
1919	65
1920	38
1921	160
1922	43
1923	66
1924	118
1925	221
1926	125
1927	94
1928	385
1929	200
1930	282
1931	461
1932	213
1933	255
1934	434
1935	303
1936	126
1937	1,444
1938	598
1939	461
1940	458
1941	330
1942	494
1943	704
1944	246
1945	487
1946	354
1947	963
1948	224
1949	546
1950	321
1951	341
1952	662
1953	374
1954	945
1955	444
1956	555
1957	461
1958	606
1959	411
1960	600
1961	834
1962	1,009
1963	522
1964	488
1965	299
1966	1,265
1967	464
1968	1,111
1969	1,074
1970	642
1971	744
1972	584
1973	525
1974	768
1975	808
1976	791
1977	543
1978	886
1979	720
1980	1,006
1981	965
1982	297
1983	653
1984	1,236
1985	1,068
1986	768
1987	900
1988	896
1989	560
1990	1,134
1991	1,139
1992	1,530
1993	1,066
1994	1,103
1995	1,008
1996	458
1997	964
1998	806
1999	766
2000	625
2001	705
2002	965
2003	737
2004	716
2005	610
2006	1,305
2007	702
2008	959
2009	2,365
2010	1,095
2011	906
2012	909
2013	632
2014	901
2015	1,139
2016	674
2017	1,091
2018	2,682
2019	479
2020	499
2021	983
2022	633
2023	319
2024	748
2025	697

Download the Data

Data for records on 1940-10-15: 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 10	269
10 to 20	75
20 to 30	22
30 to 40	7
40 to 50	7
50 to 60	7
60 to 70	2
70 to 80	1