Weather Records on 15 August 1979

1,788 weather records were set or tied worldwide on 15 August 1979. Highest significance: Chatillon-Sur-Seine, FR.

Key Facts for 15 August 1979

On 15 August 1979, 1,788 weather records were set or tied at long-record stations worldwide.
91 were record highs and 1,398 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 122 monthly and 1,665 daily.
Chatillon-Sur-Seine set a daily record precipitation of 45.5 mm (1.8 in) on 15 August 1979.
Across 168 earlier years (1793 to 2026) the same calendar date averaged 447 records.

Record Map

1,788 stations

1,788 station records on 15 August 1979 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 15 August 1979: highest significance records shown on the map
Station	Country	Type	Value	Significance
Chatillon-Sur-Seine	France	Record daily precipitation	45.5 mm (1.8 in)	73 of 100 (Major)
Rucker Canyon	United States	Record daily precipitation	62.2 mm (2.4 in)	59 of 100 (Notable)
Saarbrucken-Sankt Johann	Germany	Record daily precipitation	58.8 mm (2.3 in)	57 of 100 (Notable)
Perpignan	France	Record daily precipitation	54.1 mm (2.1 in)	56 of 100 (Notable)
Wolfstein/Pfalz	Germany	Record daily precipitation	43.9 mm (1.7 in)	56 of 100 (Notable)
Njaksimvol	Russia	Record daily precipitation	37.8 mm (1.5 in)	53 of 100 (Notable)
Cuba	United States	Record daily precipitation	31.8 mm (1.3 in)	53 of 100 (Notable)
Deuselbach	Germany	Record daily precipitation	62.5 mm (2.5 in)	52 of 100 (Notable)
Mont-Aigoual	France	Record daily precipitation	49.0 mm (1.9 in)	51 of 100 (Notable)
Clermont-Ferrand	France	Record daily precipitation	51.0 mm (2.0 in)	51 of 100 (Notable)
Bad Ems	Germany	Record daily precipitation	44.4 mm (1.7 in)	51 of 100 (Notable)
Blankenrath	Germany	Record daily precipitation	60.5 mm (2.4 in)	51 of 100 (Notable)
Brucken	Germany	Record daily precipitation	54.1 mm (2.1 in)	51 of 100 (Notable)
Belleville	Canada	Record low maximum temperature	16.0 C (60.8 F)	50 of 100 (Notable)
Lodgepole	United States	Record low maximum temperature	14.4 C (57.9 F)	50 of 100 (Notable)
Las Vegas 2 NW	United States	Record daily precipitation	30.7 mm (1.2 in)	50 of 100 (Notable)
Niederworresbach	Germany	Record daily precipitation	51.1 mm (2.0 in)	49 of 100 (Notable)
Hilgenroth	Germany	Record daily precipitation	36.2 mm (1.4 in)	49 of 100 (Notable)
Holzhausen A.D. Haide	Germany	Record daily precipitation	55.0 mm (2.2 in)	49 of 100 (Notable)
Vogtsburg-Oberrotweil	Germany	Record daily precipitation	38.2 mm (1.5 in)	49 of 100 (Notable)
Brockville	Canada	Record low maximum temperature	14.0 C (57.2 F)	48 of 100 (Notable)
Bernkastel-Kues	Germany	Record daily precipitation	41.1 mm (1.6 in)	48 of 100 (Notable)
Simmern-Wahlbach	Germany	Record daily precipitation	50.2 mm (2.0 in)	48 of 100 (Notable)
Hays 1 S	United States	Record low maximum temperature	15.0 C (59.0 F)	48 of 100 (Notable)
Kimball 2NE	United States	Record low maximum temperature	12.8 C (55.0 F)	48 of 100 (Notable)
Snowville	United States	Record daily precipitation	41.9 mm (1.6 in)	48 of 100 (Notable)
Holyoke	United States	Record low maximum temperature	15.0 C (59.0 F)	47 of 100 (Notable)
Minneapolis	United States	Record low maximum temperature	17.2 C (63.0 F)	47 of 100 (Notable)
Conception	United States	Record low maximum temperature	16.7 C (62.1 F)	47 of 100 (Notable)
Stover	United States	Record daily precipitation	78.2 mm (3.1 in)	47 of 100 (Notable)
Afton 6 NE	United States	Record daily precipitation	55.4 mm (2.2 in)	47 of 100 (Notable)
Jemez Springs	United States	Record low maximum temperature	18.3 C (64.9 F)	47 of 100 (Notable)
Quemado	United States	Record daily precipitation	29.7 mm (1.2 in)	47 of 100 (Notable)
Cambridge Galt Moe	Canada	Record low maximum temperature	16.5 C (61.7 F)	46 of 100 (Notable)
Lennestadt-Theten	Germany	Record daily precipitation	61.1 mm (2.4 in)	46 of 100 (Notable)
Cheesman	United States	Record low maximum temperature	15.6 C (60.1 F)	46 of 100 (Notable)
Imperial	United States	Record low maximum temperature	13.9 C (57.0 F)	46 of 100 (Notable)
Toledo Blade	United States	Record low minimum temperature	8.3 C (46.9 F)	46 of 100 (Notable)
Kurgan	Russia	Record daily precipitation	25.6 mm (1.0 in)	45 of 100 (Notable)
Minnedosa	Canada	Record low minimum temperature	-1.0 C (30.2 F)	44 of 100 (Notable)
Polovinnoe	Russia	Record daily precipitation	41.2 mm (1.6 in)	44 of 100 (Notable)
Casa Grande	United States	Record daily precipitation	40.4 mm (1.6 in)	44 of 100 (Notable)
Boulder	United States	Record low maximum temperature	18.3 C (64.9 F)	44 of 100 (Notable)
Atlantic 1 NE	United States	Record low maximum temperature	16.7 C (62.1 F)	44 of 100 (Notable)
Osceola	United States	Record low maximum temperature	16.7 C (62.1 F)	44 of 100 (Notable)
Bridgeport	United States	Record low maximum temperature	16.1 C (61.0 F)	44 of 100 (Notable)
Winslow AP	United States	Record daily precipitation	30.0 mm (1.2 in)	44 of 100 (Notable)
Port Stanley	Canada	Record low maximum temperature	17.0 C (62.6 F)	43 of 100 (Notable)
Siegen (Klaranlage)	Germany	Record daily precipitation	55.9 mm (2.2 in)	43 of 100 (Notable)
Audubon	United States	Record low maximum temperature	17.2 C (63.0 F)	43 of 100 (Notable)
Centerville	United States	Record low maximum temperature	17.8 C (64.0 F)	43 of 100 (Notable)
Denison	United States	Record low maximum temperature	15.6 C (60.1 F)	43 of 100 (Notable)
Mio Hydro Plt	United States	Record low maximum temperature	13.3 C (55.9 F)	43 of 100 (Notable)
Red Cloud	United States	Record low maximum temperature	15.6 C (60.1 F)	43 of 100 (Notable)
Welland	Canada	Record low maximum temperature	17.5 C (63.5 F)	42 of 100 (Notable)
Burlington	United States	Record low maximum temperature	17.8 C (64.0 F)	42 of 100 (Notable)
Oakland	United States	Record low maximum temperature	16.1 C (61.0 F)	42 of 100 (Notable)
Osage	United States	Record low maximum temperature	17.2 C (63.0 F)	42 of 100 (Notable)
Hartington	United States	Record low maximum temperature	17.2 C (63.0 F)	42 of 100 (Notable)
Mayen	Germany	Record daily precipitation	32.3 mm (1.3 in)	41 of 100 (Notable)

Counts by Type and Timescale

1,788 records

Records set or tied on 15 August 1979 by type: Highest daily maximum 31, Lowest daily maximum 964, Highest daily minimum 60, Lowest daily minimum 434, Heaviest daily rainfall 299.

Records on 15 August 1979 by type
Record type	Records
Highest daily maximum	31
Lowest daily maximum	964
Highest daily minimum	60
Lowest daily minimum	434
Heaviest daily rainfall	299
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 15 August 1979 by timescale: all-time 1, monthly 122, daily 1,665.

How Much Records Were Beaten By

1,494 broken records

Margins by which the 1,494 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 50.2. Ties are not counted.

Top 20 by Significance

15 August 1979

Top 20 records on 15 August 1979 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
15 August 1979	Chatillon-Sur-Seine, FR	daily rain	45.5 mm (1.8 in)	31.8 mm (1.3 in)	81 years	73 of 100 (Major)
15 August 1979	Rucker Canyon, US	daily rain	62.2 mm (2.4 in)	35.5 mm (1.4 in)	61 years	59 of 100 (Notable)
15 August 1979	Saarbrucken-Sankt Johann, DE	monthly rain	58.8 mm (2.3 in)	22.8 mm (0.9 in)	26 years	57 of 100 (Notable)
15 August 1979	Perpignan, FR	daily rain	54.1 mm (2.1 in)	31.9 mm (1.3 in)	50 years	56 of 100 (Notable)
15 August 1979	Wolfstein/Pfalz, DE	daily rain	43.9 mm (1.7 in)	35.1 mm (1.4 in)	40 years	56 of 100 (Notable)
15 August 1979	Njaksimvol, RU	daily rain	37.8 mm (1.5 in)	24.7 mm (1.0 in)	42 years	53 of 100 (Notable)
15 August 1979	Cuba, US	daily rain	31.8 mm (1.3 in)	26.2 mm (1.0 in)	32 years	53 of 100 (Notable)
15 August 1979	Deuselbach, DE	daily rain	62.5 mm (2.5 in)	48.9 mm (1.9 in)	26 years	52 of 100 (Notable)
15 August 1979	Mont-Aigoual, FR	daily rain	49.0 mm (1.9 in)	30.0 mm (1.2 in)	81 years	51 of 100 (Notable)
15 August 1979	Clermont-Ferrand, FR	daily rain	51.0 mm (2.0 in)	32.4 mm (1.3 in)	48 years	51 of 100 (Notable)
15 August 1979	Bad Ems, DE	daily rain	44.4 mm (1.7 in)	31.6 mm (1.2 in)	24 years	51 of 100 (Notable)
15 August 1979	Blankenrath, DE	daily rain	60.5 mm (2.4 in)	50.2 mm (2.0 in)	24 years	51 of 100 (Notable)
15 August 1979	Brucken, DE	daily rain	54.1 mm (2.1 in)	39.1 mm (1.5 in)	26 years	51 of 100 (Notable)
15 August 1979	Belleville, CA	daily low max	16.0 C (60.8 F)	3.4 C (6.1 F)	112 years	50 of 100 (Notable)
15 August 1979	Lodgepole, US	daily low max	14.4 C (57.9 F)	7.8 C (14.0 F)	81 years	50 of 100 (Notable)
15 August 1979	Las Vegas 2 NW, US	daily rain	30.7 mm (1.2 in)	17.2 mm (0.7 in)	84 years	50 of 100 (Notable)
15 August 1979	Niederworresbach, DE	daily rain	51.1 mm (2.0 in)	46.2 mm (1.8 in)	17 years	49 of 100 (Notable)
15 August 1979	Hilgenroth, DE	daily rain	36.2 mm (1.4 in)	21.2 mm (0.8 in)	41 years	49 of 100 (Notable)
15 August 1979	Holzhausen A.D. Haide, DE	daily rain	55.0 mm (2.2 in)	41.3 mm (1.6 in)	17 years	49 of 100 (Notable)
15 August 1979	Vogtsburg-Oberrotweil, DE	daily rain	38.2 mm (1.5 in)	23.1 mm (0.9 in)	48 years	49 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 1979

Records set or tied on this calendar date in each year from 1793 to 1979. 1979 had 1,788 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 1979-08-15: 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 2026-10-16. Last revised 16 October 2026 (2026-10-16).

Margin	Records
0 to 10	1,383
10 to 20	76
20 to 30	20
30 to 40	9
40 to 50	5
50 to 60	1