Weather Records on 9 August 1979

630 weather records were set or tied worldwide on 9 August 1979. Highest significance: Rock Rapids, US.

Key Facts for 9 August 1979

On 9 August 1979, 630 weather records were set or tied at long-record stations worldwide.
178 were record highs and 137 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 12 monthly and 617 daily.
Rock Rapids set a daily record precipitation of 80.5 mm (3.2 in) on 9 August 1979.
Across 156 earlier years (1798 to 2026) the same calendar date averaged 473 records.

Record Map

630 stations

630 station records on 9 August 1979 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 9 August 1979: highest significance records shown on the map
Station	Country	Type	Value	Significance
Rock Rapids	United States	Record daily precipitation	80.5 mm (3.2 in)	59 of 100 (Notable)
Eagle Butte	United States	Record daily precipitation	49.3 mm (1.9 in)	59 of 100 (Notable)
Luverne	United States	Record daily precipitation	56.1 mm (2.2 in)	55 of 100 (Notable)
Fokstua	Norway	Record daily precipitation	33.2 mm (1.3 in)	53 of 100 (Notable)
Serov	Russia	Record daily precipitation	48.7 mm (1.9 in)	52 of 100 (Notable)
Kirchdorf/Poel	Germany	Record daily precipitation	33.4 mm (1.3 in)	51 of 100 (Notable)
Kleve	Germany	Record daily precipitation	33.9 mm (1.3 in)	51 of 100 (Notable)
Sunny Hills	South Africa	Record daily precipitation	44.2 mm (1.7 in)	51 of 100 (Notable)
Harper 3ENE	United States	Record daily precipitation	61.0 mm (2.4 in)	50 of 100 (Notable)
Herford	Germany	Record daily precipitation	35.5 mm (1.4 in)	49 of 100 (Notable)
Teterow	Germany	Record daily precipitation	28.8 mm (1.1 in)	49 of 100 (Notable)
Doherty Rch	United States	Record daily precipitation	43.2 mm (1.7 in)	49 of 100 (Notable)
Altastenberg	Germany	Record daily precipitation	41.2 mm (1.6 in)	47 of 100 (Notable)
Bad Salzuflen	Germany	Record daily precipitation	41.5 mm (1.6 in)	45 of 100 (Notable)
Harrison	United States	Record daily precipitation	25.1 mm (1.0 in)	44 of 100 (Notable)
Sidney 1SSE	United States	Record high minimum temperature	25.6 C (78.1 F)	43 of 100 (Notable)
Hartley Post Office	Australia	Record daily precipitation	25.2 mm (1.0 in)	42 of 100 (Notable)
Marnitz	Germany	Record daily precipitation	31.8 mm (1.3 in)	42 of 100 (Notable)
Armavir	Russia	Record daily precipitation	38.4 mm (1.5 in)	42 of 100 (Notable)
Traverse Cy Cherry Capital AP	United States	Record daily precipitation	64.5 mm (2.5 in)	42 of 100 (Notable)
Mama	Russia	Record daily precipitation	35.8 mm (1.4 in)	41 of 100 (Notable)
Norddal	Norway	Record daily precipitation	27.9 mm (1.1 in)	40 of 100 (Notable)
Solleron	Sweden	Record daily precipitation	38.3 mm (1.5 in)	40 of 100 (Notable)
Fladungen-Heufurt	Germany	Record daily precipitation	30.3 mm (1.2 in)	39 of 100 (Notable)
Macclesfield	Australia	Record daily precipitation	33.0 mm (1.3 in)	38 of 100 (Notable)
Windsor	United States	Record daily precipitation	42.4 mm (1.7 in)	38 of 100 (Notable)
Kall-Sistig	Germany	Record daily precipitation	32.3 mm (1.3 in)	37 of 100 (Notable)
Nurburg	Germany	Record daily precipitation	36.0 mm (1.4 in)	37 of 100 (Notable)
Leksand	Sweden	Record daily precipitation	32.6 mm (1.3 in)	36 of 100 (Notable)
Ludenscheid (Zeppelin-Gymnasiu	Germany	Record daily precipitation	30.2 mm (1.2 in)	35 of 100 (Notable)
Waldeck	Germany	Record daily precipitation	25.0 mm (1.0 in)	35 of 100 (Notable)
Kanawha	United States	Record daily precipitation	130.8 mm (5.1 in)	35 of 100 (Notable)
Elk	United States	Record high minimum temperature	17.8 C (64.0 F)	35 of 100 (Notable)
Monterey	United States	Record high minimum temperature	18.9 C (66.0 F)	35 of 100 (Notable)
Wisconsin Dells Wwtp	United States	Record daily precipitation	56.6 mm (2.2 in)	35 of 100 (Notable)
Schwerin	Germany	Record daily precipitation	25.3 mm (1.0 in)	34 of 100 (Routine)
Eutin	Germany	Record daily precipitation	25.9 mm (1.0 in)	34 of 100 (Routine)
Koln-Botanischer Garten	Germany	Record daily precipitation	30.5 mm (1.2 in)	34 of 100 (Routine)
Malung	Sweden	Record daily precipitation	33.9 mm (1.3 in)	34 of 100 (Routine)
Warsaw 2 NW	United States	Record daily precipitation	38.1 mm (1.5 in)	34 of 100 (Routine)
Roetgen	Germany	Record daily precipitation	34.2 mm (1.3 in)	33 of 100 (Routine)
Nitta Yuma	United States	Record high minimum temperature	25.0 C (77.0 F)	33 of 100 (Routine)
Agate 3 E	United States	Record daily precipitation	27.7 mm (1.1 in)	33 of 100 (Routine)
Weyerhaeuser 1N	United States	Record daily precipitation	30.5 mm (1.2 in)	33 of 100 (Routine)
Wharminda	Australia	Record daily precipitation	25.4 mm (1.0 in)	32 of 100 (Routine)
Gar	Russia	Record daily precipitation	46.9 mm (1.8 in)	32 of 100 (Routine)
Merced	United States	Record low minimum temperature	9.4 C (48.9 F)	32 of 100 (Routine)
Calhoun City	United States	Record daily precipitation	30.0 mm (1.2 in)	32 of 100 (Routine)
Baraboo Wwtp	United States	Record daily precipitation	56.6 mm (2.2 in)	32 of 100 (Routine)
Echunga Golf Course	Australia	Record daily precipitation	34.0 mm (1.3 in)	31 of 100 (Routine)
Holjes	Sweden	Record daily precipitation	30.6 mm (1.2 in)	31 of 100 (Routine)
Talbotton	United States	Record high minimum temperature	25.0 C (77.0 F)	31 of 100 (Routine)
Fayette	United States	Record daily precipitation	40.9 mm (1.6 in)	31 of 100 (Routine)
Blowing Rock 1NW	United States	Record high maximum temperature	30.0 C (86.0 F)	31 of 100 (Routine)
Wasserkuppe	Germany	Record daily precipitation	27.6 mm (1.1 in)	30 of 100 (Routine)
Plantersville 2 SSE	United States	Record daily precipitation	76.2 mm (3.0 in)	30 of 100 (Routine)
Ofahoma	United States	Record daily precipitation	85.1 mm (3.4 in)	30 of 100 (Routine)
Red Lake A	Canada	Record daily precipitation	37.9 mm (1.5 in)	29 of 100 (Routine)
Beaver Is	United States	Record low minimum temperature	7.2 C (45.0 F)	29 of 100 (Routine)
Blue Earth	United States	Record daily precipitation	45.7 mm (1.8 in)	29 of 100 (Routine)

Counts by Type and Timescale

630 records

Records set or tied on 9 August 1979 by type: Highest daily maximum 76, Lowest daily maximum 66, Highest daily minimum 102, Lowest daily minimum 71, Heaviest daily rainfall 315.

Records on 9 August 1979 by type
Record type	Records
Highest daily maximum	76
Lowest daily maximum	66
Highest daily minimum	102
Lowest daily minimum	71
Heaviest daily rainfall	315
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 9 August 1979 by timescale: all-time 1, monthly 12, daily 617.

How Much Records Were Beaten By

507 broken records

Margins by which the 507 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 61.0. Ties are not counted.

Top 20 by Significance

9 August 1979

Top 20 records on 9 August 1979 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
9 August 1979	Rock Rapids, US	daily rain	80.5 mm (3.2 in)	55.1 mm (2.2 in)	44 years	59 of 100 (Notable)
9 August 1979	Eagle Butte, US	daily rain	49.3 mm (1.9 in)	35.1 mm (1.4 in)	60 years	59 of 100 (Notable)
9 August 1979	Luverne, US	daily rain	56.1 mm (2.2 in)	33.2 mm (1.3 in)	77 years	55 of 100 (Notable)
9 August 1979	Fokstua, NO	daily rain	33.2 mm (1.3 in)	19.7 mm (0.8 in)	28 years	53 of 100 (Notable)
9 August 1979	Serov, RU	daily rain	48.7 mm (1.9 in)	33.6 mm (1.3 in)	29 years	52 of 100 (Notable)
9 August 1979	Kirchdorf/Poel, DE	daily rain	33.4 mm (1.3 in)	22.9 mm (0.9 in)	24 years	51 of 100 (Notable)
9 August 1979	Kleve, DE	daily rain	33.9 mm (1.3 in)	26.0 mm (1.0 in)	18 years	51 of 100 (Notable)
9 August 1979	Sunny Hills, ZA	monthly rain	44.2 mm (1.7 in)	17.0 mm (0.7 in)	39 years	51 of 100 (Notable)
9 August 1979	Harper 3ENE, US	daily rain	61.0 mm (2.4 in)	61.0 mm (2.4 in)	68 years	50 of 100 (Notable)
9 August 1979	Herford, DE	daily rain	35.5 mm (1.4 in)	24.2 mm (1.0 in)	20 years	49 of 100 (Notable)
9 August 1979	Teterow, DE	daily rain	28.8 mm (1.1 in)	11.8 mm (0.5 in)	76 years	49 of 100 (Notable)
9 August 1979	Doherty Rch, US	daily rain	43.2 mm (1.7 in)	38.1 mm (1.5 in)	18 years	49 of 100 (Notable)
9 August 1979	Altastenberg, DE	daily rain	41.2 mm (1.6 in)	19.3 mm (0.8 in)	36 years	47 of 100 (Notable)
9 August 1979	Bad Salzuflen, DE	daily rain	41.5 mm (1.6 in)	30.1 mm (1.2 in)	4 years	45 of 100 (Notable)
9 August 1979	Harrison, US	daily rain	25.1 mm (1.0 in)	14.9 mm (0.6 in)	48 years	44 of 100 (Notable)
9 August 1979	Sidney 1SSE, US	daily high min	25.6 C (78.1 F)	3.4 C (6.1 F)	83 years	43 of 100 (Notable)
9 August 1979	Hartley Post Office, AU	daily rain	25.2 mm (1.0 in)	16.0 mm (0.6 in)	0 years	42 of 100 (Notable)
9 August 1979	Marnitz, DE	daily rain	31.8 mm (1.3 in)	12.8 mm (0.5 in)	61 years	42 of 100 (Notable)
9 August 1979	Armavir, RU	daily rain	38.4 mm (1.5 in)	23.2 mm (0.9 in)	37 years	42 of 100 (Notable)
9 August 1979	Traverse Cy Cherry Capital AP, US	daily rain	64.5 mm (2.5 in)	29.7 mm (1.2 in)	36 years	42 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

1798 to 1979

Records set or tied on this calendar date in each year from 1798 to 1979. 1979 had 630 records.

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

Records on 08-09 in each year
Year	Records
1798	2
1800	1
1838	1
1845	3
1856	1
1859	3
1861	1
1863	2
1868	1
1870	1
1871	1
1873	1
1875	1
1878	1
1881	3
1884	2
1886	1
1887	1
1888	1
1889	1
1890	1
1891	4
1892	4
1893	3
1894	3
1895	1
1896	3
1897	7
1898	12
1899	4
1900	8
1901	3
1902	3
1903	6
1904	9
1905	5
1906	15
1907	9
1908	9
1909	51
1910	16
1911	44
1912	47
1913	76
1914	21
1915	61
1916	37
1917	46
1918	210
1919	49
1920	289
1921	36
1922	70
1923	73
1924	143
1925	307
1926	142
1927	391
1928	220
1929	127
1930	570
1931	399
1932	194
1933	250
1934	654
1935	587
1936	519
1937	351
1938	379
1939	480
1940	455
1941	372
1942	527
1943	366
1944	647
1945	365
1946	307
1947	544
1948	440
1949	715
1950	407
1951	405
1952	317
1953	363
1954	377
1955	433
1956	278
1957	347
1958	417
1959	453
1960	459
1961	347
1962	636
1963	500
1964	755
1965	632
1966	568
1967	457
1968	1,037
1969	527
1970	751
1971	543
1972	1,089
1973	547
1974	660
1975	790
1976	883
1977	453
1978	784
1979	630
1980	945
1981	941
1982	935
1983	839
1984	683
1985	714
1986	509
1987	927
1988	625
1989	2,082
1990	799
1991	988
1992	1,699
1993	702
1994	1,097
1995	1,417
1996	864
1997	1,446
1998	969
1999	1,370
2000	1,237
2001	1,485
2002	1,167
2003	1,344
2004	941
2005	1,001
2006	828
2007	1,687
2008	667
2009	1,028
2010	1,393
2011	1,177
2012	843
2013	761
2014	531
2015	595
2016	634
2017	773
2018	972
2019	717
2020	643
2021	523
2022	793
2023	820
2024	952
2025	799
2026	1,019

Download the Data

Data for records on 1979-08-09: 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	420
10 to 20	57
20 to 30	21
30 to 40	7
40 to 50	0
50 to 60	1
60 to 70	1