Weather Records on 15 October 1939

461 weather records were set or tied worldwide on 15 October 1939. Highest significance: Shikarpur, IN.

Key Facts for 15 October 1939

On 15 October 1939, 461 weather records were set or tied at long-record stations worldwide.
52 were record highs and 222 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 4 monthly and 456 daily.
Shikarpur set a daily record precipitation of 129.5 mm (5.1 in) on 15 October 1939.
Across 159 earlier years (1794 to 2025) the same calendar date averaged 460 records.

Record Map

461 stations

461 station records on 15 October 1939 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 15 October 1939: highest significance records shown on the map
Station	Country	Type	Value	Significance
Shikarpur	India	Record daily precipitation	129.5 mm (5.1 in)	47 of 100 (Notable)
Willaura (Yarram Park)	Australia	Record daily precipitation	27.7 mm (1.1 in)	45 of 100 (Notable)
Colac Botanical Gardens	Australia	Record daily precipitation	38.9 mm (1.5 in)	42 of 100 (Notable)
Ambur	India	Record daily precipitation	83.8 mm (3.3 in)	42 of 100 (Notable)
Dunkeld	Australia	Record daily precipitation	35.6 mm (1.4 in)	41 of 100 (Notable)
Sirsi	India	Record daily precipitation	84.1 mm (3.3 in)	41 of 100 (Notable)
Santhanpara	India	Record daily precipitation	135.9 mm (5.4 in)	41 of 100 (Notable)
Berrybank	Australia	Record daily precipitation	35.8 mm (1.4 in)	40 of 100 (Notable)
Kolora (Wooriwyrite)	Australia	Record daily precipitation	38.6 mm (1.5 in)	38 of 100 (Notable)
Honnali	India	Record daily precipitation	148.6 mm (5.9 in)	38 of 100 (Notable)
Camperdown (Post Office)	Australia	Record daily precipitation	29.2 mm (1.1 in)	36 of 100 (Notable)
Derrinallum (Craigmore)	Australia	Record daily precipitation	29.5 mm (1.2 in)	35 of 100 (Notable)
Beeac (Post Office)	Australia	Record daily precipitation	31.8 mm (1.3 in)	34 of 100 (Routine)
Ernakulam	India	Record daily precipitation	108.5 mm (4.3 in)	34 of 100 (Routine)
Moutajup	Australia	Record daily precipitation	27.7 mm (1.1 in)	33 of 100 (Routine)
Warrion	Australia	Record daily precipitation	28.4 mm (1.1 in)	33 of 100 (Routine)
Holenarsipur	India	Record daily precipitation	58.4 mm (2.3 in)	33 of 100 (Routine)
Kottayam P.W.D	India	Record daily precipitation	118.1 mm (4.6 in)	33 of 100 (Routine)
Krishnagiri	India	Record daily precipitation	40.6 mm (1.6 in)	33 of 100 (Routine)
Ponnamaravathi	India	Record daily precipitation	88.9 mm (3.5 in)	33 of 100 (Routine)
Port Alfred	South Africa	Record daily precipitation	25.4 mm (1.0 in)	33 of 100 (Routine)
Nelamangala	India	Record daily precipitation	62.0 mm (2.4 in)	32 of 100 (Routine)
Geneve Observatoire	Switzerland	Record daily precipitation	33.9 mm (1.3 in)	32 of 100 (Routine)
Cressy	Australia	Record daily precipitation	34.3 mm (1.4 in)	31 of 100 (Routine)
Davangire	India	Record daily precipitation	63.5 mm (2.5 in)	31 of 100 (Routine)
Barkly East	South Africa	Record daily precipitation	27.9 mm (1.1 in)	31 of 100 (Routine)
Haripad	India	Record daily precipitation	89.4 mm (3.5 in)	30 of 100 (Routine)
Omeo Comparison	Australia	Record daily precipitation	27.4 mm (1.1 in)	29 of 100 (Routine)
Tirrengower	Australia	Record daily precipitation	26.7 mm (1.1 in)	29 of 100 (Routine)
Gubbi Sr	India	Record daily precipitation	86.9 mm (3.4 in)	29 of 100 (Routine)
San Jacinto	United States	Record high minimum temperature	20.0 C (68.0 F)	29 of 100 (Routine)
Lorne Post Office	Australia	Record daily precipitation	47.0 mm (1.9 in)	28 of 100 (Routine)
Dunvegan	Canada	Record low maximum temperature	-1.1 C (30.0 F)	28 of 100 (Routine)
Arantangi	India	Record daily precipitation	91.9 mm (3.6 in)	28 of 100 (Routine)
Coleraine Hospital	Australia	Record daily precipitation	25.4 mm (1.0 in)	27 of 100 (Routine)
Tomahawk Creek (Irrewillipe Ea	Australia	Record daily precipitation	26.4 mm (1.0 in)	27 of 100 (Routine)
Innsbruck	Austria	Record high maximum temperature	21.6 C (70.9 F)	27 of 100 (Routine)
Harihar	India	Record daily precipitation	44.7 mm (1.8 in)	27 of 100 (Routine)
Vaikom	India	Record daily precipitation	96.5 mm (3.8 in)	27 of 100 (Routine)
Carapook (the Gums)	Australia	Record daily precipitation	26.9 mm (1.1 in)	26 of 100 (Routine)
Cape May 2 NW	United States	Record low minimum temperature	2.2 C (36.0 F)	26 of 100 (Routine)
Holalkhere	India	Record daily precipitation	50.8 mm (2.0 in)	25 of 100 (Routine)
Athmalik	India	Record daily precipitation	56.6 mm (2.2 in)	25 of 100 (Routine)
Canyon Ferry	United States	Record daily snowfall	5.1 cm (2.0 in)	25 of 100 (Routine)
Beechworth Composite	Australia	Record daily precipitation	55.4 mm (2.2 in)	24 of 100 (Routine)
Kancheepuram	India	Record daily precipitation	90.4 mm (3.6 in)	24 of 100 (Routine)
West Terschelling	Netherlands	Record daily precipitation	25.3 mm (1.0 in)	24 of 100 (Routine)
Big Rapids Wtp	United States	Record low minimum temperature	-5.0 C (23.0 F)	24 of 100 (Routine)
Moyhu	Australia	Record daily precipitation	29.2 mm (1.1 in)	23 of 100 (Routine)
Bright Post Office	Australia	Record daily precipitation	42.7 mm (1.7 in)	23 of 100 (Routine)
Yatchaw (Amaroo)	Australia	Record daily precipitation	27.2 mm (1.1 in)	23 of 100 (Routine)
Guntur	India	Record daily precipitation	62.5 mm (2.5 in)	23 of 100 (Routine)
Hirekerur	India	Record daily precipitation	91.4 mm (3.6 in)	23 of 100 (Routine)
Mandya	India	Record daily precipitation	54.6 mm (2.1 in)	23 of 100 (Routine)
Belconnen (Weetangerra)	Australia	Record daily precipitation	29.5 mm (1.2 in)	22 of 100 (Routine)
Ettumanur	India	Record daily precipitation	97.3 mm (3.8 in)	22 of 100 (Routine)
Nqamakwe (Tnk)	South Africa	Record daily precipitation	26.2 mm (1.0 in)	22 of 100 (Routine)
Wilpena Head Station	Australia	Record daily precipitation	27.9 mm (1.1 in)	21 of 100 (Routine)
Marseille Obs. Palais-Lonchamp	France	Record high minimum temperature	18.5 C (65.3 F)	21 of 100 (Routine)
Siddapur	India	Record daily precipitation	74.4 mm (2.9 in)	21 of 100 (Routine)

Counts by Type and Timescale

461 records

Records set or tied on 15 October 1939 by type: Highest daily maximum 17, Lowest daily maximum 38, Highest daily minimum 35, Lowest daily minimum 184, Heaviest daily rainfall 181, Heaviest daily snowfall 5, Deepest snow cover 1.

Records on 15 October 1939 by type
Record type	Records
Highest daily maximum	17
Lowest daily maximum	38
Highest daily minimum	35
Lowest daily minimum	184
Heaviest daily rainfall	181
Heaviest daily snowfall	5
Deepest snow cover	1

Records on 15 October 1939 by timescale: all-time 1, monthly 4, daily 456.

How Much Records Were Beaten By

382 broken records

Margins by which the 382 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 66.6. Ties are not counted.

Top 20 by Significance

15 October 1939

Top 20 records on 15 October 1939 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
15 October 1939	Shikarpur, IN	daily rain	129.5 mm (5.1 in)	64.7 mm (2.5 in)	33 years	47 of 100 (Notable)
15 October 1939	Willaura (Yarram Park), AU	daily rain	27.7 mm (1.1 in)	14.5 mm (0.6 in)	47 years	45 of 100 (Notable)
15 October 1939	Colac Botanical Gardens, AU	daily rain	38.9 mm (1.5 in)	23.4 mm (0.9 in)	1 year	42 of 100 (Notable)
15 October 1939	Ambur, IN	daily rain	83.8 mm (3.3 in)	57.4 mm (2.3 in)	4 years	42 of 100 (Notable)
15 October 1939	Dunkeld, AU	daily rain	35.6 mm (1.4 in)	20.1 mm (0.8 in)	10 years	41 of 100 (Notable)
15 October 1939	Sirsi, IN	daily rain	84.1 mm (3.3 in)	38.4 mm (1.5 in)	33 years	41 of 100 (Notable)
15 October 1939	Santhanpara, IN	daily rain	135.9 mm (5.4 in)	66.6 mm (2.6 in)	8 years	41 of 100 (Notable)
15 October 1939	Berrybank, AU	daily rain	35.8 mm (1.4 in)	19.8 mm (0.8 in)	1 year	40 of 100 (Notable)
15 October 1939	Kolora (Wooriwyrite), AU	monthly rain	38.6 mm (1.5 in)	11.2 mm (0.4 in)	1 year	38 of 100 (Notable)
15 October 1939	Honnali, IN	all-time rain	148.6 mm (5.9 in)	27.7 mm (1.1 in)	0 years	38 of 100 (Notable)
15 October 1939	Camperdown (Post Office), AU	daily rain	29.2 mm (1.1 in)	15.5 mm (0.6 in)	10 years	36 of 100 (Notable)
15 October 1939	Derrinallum (Craigmore), AU	daily rain	29.5 mm (1.2 in)	16.0 mm (0.6 in)	10 years	35 of 100 (Notable)
15 October 1939	Beeac (Post Office), AU	daily rain	31.8 mm (1.3 in)	19.1 mm (0.8 in)	1 year	34 of 100 (Routine)
15 October 1939	Ernakulam, IN	daily rain	108.5 mm (4.3 in)	54.9 mm (2.2 in)	34 years	34 of 100 (Routine)
15 October 1939	Moutajup, AU	daily rain	27.7 mm (1.1 in)	13.2 mm (0.5 in)	10 years	33 of 100 (Routine)
15 October 1939	Warrion, AU	daily rain	28.4 mm (1.1 in)	13.4 mm (0.5 in)	17 years	33 of 100 (Routine)
15 October 1939	Holenarsipur, IN	daily rain	58.4 mm (2.3 in)	30.0 mm (1.2 in)	36 years	33 of 100 (Routine)
15 October 1939	Kottayam P.W.D, IN	daily rain	118.1 mm (4.6 in)	50.0 mm (2.0 in)	33 years	33 of 100 (Routine)
15 October 1939	Krishnagiri, IN	daily rain	40.6 mm (1.6 in)	33.0 mm (1.3 in)	33 years	33 of 100 (Routine)
15 October 1939	Ponnamaravathi, IN	daily rain	88.9 mm (3.5 in)	35.6 mm (1.4 in)	32 years	33 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

1794 to 1939

Records set or tied on this calendar date in each year from 1794 to 1939. 1939 had 461 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 1939-10-15: 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	307
10 to 20	43
20 to 30	12
30 to 40	11
40 to 50	2
50 to 60	5
60 to 70	2