Weather Records on 15 August 1939

450 weather records were set or tied worldwide on 15 August 1939. Highest significance: Kamiesberg, ZA.

Key Facts for 15 August 1939

On 15 August 1939, 450 weather records were set or tied at long-record stations worldwide.
95 were record highs and 50 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 24 monthly and 425 daily.
Kamiesberg set an all-time record daily precipitation of 117.9 mm (4.6 in) on 15 August 1939.
Across 168 earlier years (1793 to 2026) the same calendar date averaged 455 records.

Record Map

450 stations

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

Weather records on 15 August 1939: highest significance records shown on the map
Station	Country	Type	Value	Significance
Kamiesberg	South Africa	Record daily precipitation	117.9 mm (4.6 in)	76 of 100 (Major)
Noupoort	South Africa	Record daily precipitation	62.2 mm (2.4 in)	61 of 100 (Major)
Wellwood	South Africa	Record daily precipitation	26.4 mm (1.0 in)	55 of 100 (Notable)
Nieu-Bethesda (Pol)	South Africa	Record daily precipitation	34.0 mm (1.3 in)	54 of 100 (Notable)
Selma	United States	Record daily precipitation	135.9 mm (5.4 in)	54 of 100 (Notable)
Klipfontein	South Africa	Record daily precipitation	30.5 mm (1.2 in)	53 of 100 (Notable)
Mazelspoort Dam	South Africa	Record daily precipitation	32.0 mm (1.3 in)	53 of 100 (Notable)
Sampagaon-Bailh	India	Record daily precipitation	65.8 mm (2.6 in)	52 of 100 (Notable)
Saunur(Savnur)	India	Record daily precipitation	43.2 mm (1.7 in)	52 of 100 (Notable)
Hughenden	South Africa	Record daily precipitation	27.4 mm (1.1 in)	52 of 100 (Notable)
Krielsfontein	South Africa	Record daily precipitation	33.3 mm (1.3 in)	52 of 100 (Notable)
Ficksburg	South Africa	Record daily precipitation	27.2 mm (1.1 in)	52 of 100 (Notable)
Badami	India	Record daily precipitation	85.1 mm (3.4 in)	50 of 100 (Notable)
Overdene	South Africa	Record daily precipitation	34.3 mm (1.4 in)	49 of 100 (Notable)
Siruguppa	India	Record daily precipitation	80.8 mm (3.2 in)	47 of 100 (Notable)
Ellesmere	South Africa	Record daily precipitation	25.4 mm (1.0 in)	47 of 100 (Notable)
Bethesdaweg (Sar)	South Africa	Record daily precipitation	46.5 mm (1.8 in)	46 of 100 (Notable)
Nieuwejaarsfontein	South Africa	Record daily precipitation	38.1 mm (1.5 in)	46 of 100 (Notable)
Colesberg (Tnk)	South Africa	Record daily precipitation	36.6 mm (1.4 in)	45 of 100 (Notable)
Hanover (Pol)	South Africa	Record daily precipitation	49.0 mm (1.9 in)	43 of 100 (Notable)
Klerkskraal (Pol)	South Africa	Record daily precipitation	30.7 mm (1.2 in)	43 of 100 (Notable)
Steynsburg	South Africa	Record daily precipitation	39.9 mm (1.6 in)	42 of 100 (Notable)
Taung	South Africa	Record daily precipitation	26.4 mm (1.0 in)	42 of 100 (Notable)
Shiggaon	India	Record daily precipitation	36.8 mm (1.4 in)	40 of 100 (Notable)
Navalgund	India	Record daily precipitation	55.1 mm (2.2 in)	39 of 100 (Notable)
Strydenberg (Pol)	South Africa	Record daily precipitation	37.6 mm (1.5 in)	39 of 100 (Notable)
Hospet	India	Record daily precipitation	53.8 mm (2.1 in)	38 of 100 (Notable)
Jacobsdal (Pol)	South Africa	Record daily precipitation	27.2 mm (1.1 in)	38 of 100 (Notable)
Saundatti	India	Record daily precipitation	56.9 mm (2.2 in)	37 of 100 (Notable)
Mt Airy 2 W	United States	Record daily precipitation	62.5 mm (2.5 in)	37 of 100 (Notable)
Swellendam (Tnk)	South Africa	Record daily precipitation	41.4 mm (1.6 in)	36 of 100 (Notable)
Hillmoor	South Africa	Record daily precipitation	47.0 mm (1.9 in)	36 of 100 (Notable)
Marianna Sch For Boys	United States	Record daily precipitation	81.3 mm (3.2 in)	35 of 100 (Notable)
Syfergat (Sar)	South Africa	Record daily precipitation	30.2 mm (1.2 in)	34 of 100 (Routine)
Smithfield (Mun)	South Africa	Record daily precipitation	30.5 mm (1.2 in)	34 of 100 (Routine)
Szeged	Hungary	Record daily precipitation	40.7 mm (1.6 in)	33 of 100 (Routine)
Springbok	South Africa	Record daily precipitation	32.0 mm (1.3 in)	32 of 100 (Routine)
Durban Roodepoort Deep Gm	South Africa	Record daily precipitation	26.4 mm (1.0 in)	32 of 100 (Routine)
Arcadia	United States	Record low minimum temperature	17.8 C (64.0 F)	32 of 100 (Routine)
Coleman 3 WNW	United States	Record daily precipitation	93.2 mm (3.7 in)	32 of 100 (Routine)
Franklin	United States	Record daily precipitation	44.7 mm (1.8 in)	32 of 100 (Routine)
Moose Jaw Chab	Canada	Record high minimum temperature	22.8 C (73.0 F)	31 of 100 (Routine)
Pointe Riche	Canada	Record daily precipitation	29.2 mm (1.1 in)	31 of 100 (Routine)
Gulabarh	India	Record daily precipitation	140.5 mm (5.5 in)	31 of 100 (Routine)
Gordonville	South Africa	Record daily precipitation	47.2 mm (1.9 in)	31 of 100 (Routine)
Lillydale	South Africa	Record daily precipitation	38.1 mm (1.5 in)	31 of 100 (Routine)
Roodepoort (Mun)	South Africa	Record daily precipitation	26.7 mm (1.1 in)	31 of 100 (Routine)
Marianna Sch For Boys	United States	Record low maximum temperature	25.0 C (77.0 F)	31 of 100 (Routine)
Blacksburg	United States	Record daily precipitation	64.8 mm (2.6 in)	31 of 100 (Routine)
Oranje	South Africa	Record daily precipitation	57.4 mm (2.3 in)	30 of 100 (Routine)
De Funiak Springs 1 E	United States	Record daily precipitation	77.0 mm (3.0 in)	29 of 100 (Routine)
Hangal	India	Record daily precipitation	30.2 mm (1.2 in)	28 of 100 (Routine)
Welgelegen(Middlemnt	South Africa	Record daily precipitation	35.6 mm (1.4 in)	28 of 100 (Routine)
Babuskin	Russia	Record high minimum temperature	19.0 C (66.2 F)	27 of 100 (Routine)
Prattville	United States	Record low maximum temperature	25.0 C (77.0 F)	27 of 100 (Routine)
Moncure 3 SE	United States	Record daily precipitation	49.0 mm (1.9 in)	27 of 100 (Routine)
Ramdurg	India	Record daily precipitation	29.2 mm (1.1 in)	26 of 100 (Routine)
Jamkhandi	India	Record daily precipitation	33.0 mm (1.3 in)	26 of 100 (Routine)
Montgomery Wb City	United States	Record low maximum temperature	25.0 C (77.0 F)	26 of 100 (Routine)
Wetumpka	United States	Record low maximum temperature	25.0 C (77.0 F)	26 of 100 (Routine)

Counts by Type and Timescale

450 records

Records set or tied on 15 August 1939 by type: Highest daily maximum 65, Lowest daily maximum 26, Highest daily minimum 30, Lowest daily minimum 24, Heaviest daily rainfall 305.

Records on 15 August 1939 by type
Record type	Records
Highest daily maximum	65
Lowest daily maximum	26
Highest daily minimum	30
Lowest daily minimum	24
Heaviest daily rainfall	305
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 15 August 1939 by timescale: all-time 1, monthly 24, daily 425.

How Much Records Were Beaten By

384 broken records

Margins by which the 384 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 75.7. Ties are not counted.

Top 20 by Significance

15 August 1939

Top 20 records on 15 August 1939 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
15 August 1939	Kamiesberg, ZA	all-time rain	117.9 mm (4.6 in)	49.3 mm (1.9 in)	39 years	76 of 100 (Major)
15 August 1939	Noupoort, ZA	monthly rain	62.2 mm (2.4 in)	24.1 mm (0.9 in)	38 years	61 of 100 (Major)
15 August 1939	Wellwood, ZA	daily rain	26.4 mm (1.0 in)	17.8 mm (0.7 in)	52 years	55 of 100 (Notable)
15 August 1939	Nieu-Bethesda (Pol), ZA	daily rain	34.0 mm (1.3 in)	32.0 mm (1.3 in)	32 years	54 of 100 (Notable)
15 August 1939	Selma, US	monthly rain	135.9 mm (5.4 in)	57.2 mm (2.3 in)	0 years	54 of 100 (Notable)
15 August 1939	Klipfontein, ZA	daily rain	30.5 mm (1.2 in)	29.2 mm (1.1 in)	37 years	53 of 100 (Notable)
15 August 1939	Mazelspoort Dam, ZA	daily rain	32.0 mm (1.3 in)	32.0 mm (1.3 in)	33 years	53 of 100 (Notable)
15 August 1939	Sampagaon-Bailh, IN	daily rain	65.8 mm (2.6 in)	53.9 mm (2.1 in)	32 years	52 of 100 (Notable)
15 August 1939	Saunur(Savnur), IN	daily rain	43.2 mm (1.7 in)	30.8 mm (1.2 in)	32 years	52 of 100 (Notable)
15 August 1939	Hughenden, ZA	daily rain	27.4 mm (1.1 in)	24.9 mm (1.0 in)	33 years	52 of 100 (Notable)
15 August 1939	Krielsfontein, ZA	daily rain	33.3 mm (1.3 in)	33.3 mm (1.3 in)	32 years	52 of 100 (Notable)
15 August 1939	Ficksburg, ZA	daily rain	27.2 mm (1.1 in)	27.2 mm (1.1 in)	32 years	52 of 100 (Notable)
15 August 1939	Badami, IN	daily rain	85.1 mm (3.4 in)	75.7 mm (3.0 in)	24 years	50 of 100 (Notable)
15 August 1939	Overdene, ZA	daily rain	34.3 mm (1.4 in)	34.3 mm (1.4 in)	29 years	49 of 100 (Notable)
15 August 1939	Siruguppa, IN	daily rain	80.8 mm (3.2 in)	69.4 mm (2.7 in)	13 years	47 of 100 (Notable)
15 August 1939	Ellesmere, ZA	daily rain	25.4 mm (1.0 in)	23.9 mm (0.9 in)	33 years	47 of 100 (Notable)
15 August 1939	Bethesdaweg (Sar), ZA	daily rain	46.5 mm (1.8 in)	42.9 mm (1.7 in)	9 years	46 of 100 (Notable)
15 August 1939	Nieuwejaarsfontein, ZA	monthly rain	38.1 mm (1.5 in)	15.7 mm (0.6 in)	22 years	46 of 100 (Notable)
15 August 1939	Colesberg (Tnk), ZA	daily rain	36.6 mm (1.4 in)	28.0 mm (1.1 in)	9 years	45 of 100 (Notable)
15 August 1939	Hanover (Pol), ZA	monthly rain	49.0 mm (1.9 in)	8.4 mm (0.33 in)	55 years	43 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

1793 to 1939

Records set or tied on this calendar date in each year from 1793 to 1939. 1939 had 450 records.

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

Records on 08-15 in each year
Year	Records
1793	2
1802	1
1805	1
1812	1
1821	1
1838	2
1839	1
1841	1
1844	1
1845	3
1852	1
1854	1
1856	1
1858	1
1861	3
1867	1
1868	2
1869	1
1873	2
1875	1
1876	2
1877	1
1878	1
1879	1
1880	3
1881	2
1882	2
1883	1
1884	2
1885	3
1886	1
1887	1
1888	3
1890	2
1891	2
1892	3
1893	3
1895	1
1896	9
1897	3
1898	1
1899	2
1900	6
1901	5
1902	10
1903	5
1904	17
1905	26
1906	8
1907	14
1908	15
1909	30
1910	16
1911	26
1912	34
1913	42
1914	11
1915	26
1916	223
1917	32
1918	23
1919	22
1920	59
1921	55
1922	86
1923	116
1924	220
1925	91
1926	115
1927	223
1928	271
1929	586
1930	274
1931	351
1932	368
1933	268
1934	992
1935	414
1936	867
1937	574
1938	681
1939	450
1940	372
1941	289
1942	377
1943	426
1944	610
1945	433
1946	285
1947	559
1948	366
1949	559
1950	317
1951	597
1952	596
1953	449
1954	481
1955	539
1956	390
1957	355
1958	1,092
1959	515
1960	417
1961	704
1962	1,052
1963	972
1964	1,185
1965	535
1966	340
1967	687
1968	1,002
1969	583
1970	382
1971	899
1972	613
1973	499
1974	512
1975	490
1976	1,345
1977	550
1978	841
1979	1,788
1980	745
1981	588
1982	479
1983	955
1984	622
1985	915
1986	1,283
1987	1,098
1988	1,479
1989	495
1990	758
1991	778
1992	1,638
1993	831
1994	1,073
1995	1,298
1996	929
1997	927
1998	861
1999	956
2000	932
2001	1,254
2002	1,307
2003	1,248
2004	1,424
2005	1,067
2006	923
2007	1,317
2008	964
2009	1,038
2010	1,622
2011	770
2012	654
2013	711
2014	583
2015	759
2016	707
2017	532
2018	328
2019	435
2020	1,327
2021	900
2022	692
2023	1,414
2024	729
2025	772
2026	975

Download the Data

Data for records on 1939-08-15: 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	253
10 to 20	74
20 to 30	37
30 to 40	11
40 to 50	4
50 to 60	2
60 to 70	1
70 to 80	2