Weather Records on 7 August 2009

1,121 weather records were set or tied worldwide on 7 August 2009. Highest significance: Gibson Dam, US.

Key Facts for 7 August 2009

On 7 August 2009, 1,121 weather records were set or tied at long-record stations worldwide.
417 were record highs and 426 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 60 monthly and 1,059 daily.
Gibson Dam set a daily record precipitation of 51.3 mm (2.0 in) on 7 August 2009.
Across 163 earlier years (1808 to 2026) the same calendar date averaged 467 records.

Record Map

1,121 stations

1,121 station records on 7 August 2009 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 7 August 2009: highest significance records shown on the map
Station	Country	Type	Value	Significance
Gibson Dam	United States	Record daily precipitation	51.3 mm (2.0 in)	77 of 100 (Major)
Missoula 6 NW WFO	United States	Record daily precipitation	51.6 mm (2.0 in)	68 of 100 (Major)
Missoula 2 NE	United States	Record daily precipitation	54.1 mm (2.1 in)	65 of 100 (Major)
St Joseph 3 N	United States	Record daily precipitation	61.0 mm (2.4 in)	62 of 100 (Major)
Zlatoust	Russia	Record daily precipitation	40.0 mm (1.6 in)	61 of 100 (Major)
Augusta	United States	Record daily precipitation	46.7 mm (1.8 in)	59 of 100 (Notable)
Cascade 5 S	United States	Record daily precipitation	43.7 mm (1.7 in)	59 of 100 (Notable)
Lennep 5 SW	United States	Record daily precipitation	37.1 mm (1.5 in)	59 of 100 (Notable)
Austin #2	United States	Record low maximum temperature	16.7 C (62.1 F)	57 of 100 (Notable)
Sun Rvr 4 S	United States	Record daily precipitation	40.6 mm (1.6 in)	56 of 100 (Notable)
Sisseton	United States	Record daily precipitation	70.9 mm (2.8 in)	55 of 100 (Notable)
Lindbergh Lake	United States	Record daily precipitation	26.4 mm (1.0 in)	54 of 100 (Notable)
Joseph	United States	Record daily precipitation	48.3 mm (1.9 in)	53 of 100 (Notable)
Riggins	United States	Record daily precipitation	27.9 mm (1.1 in)	51 of 100 (Notable)
Menard 3 NE	United States	Record daily precipitation	26.7 mm (1.1 in)	51 of 100 (Notable)
Veendam	Netherlands	Record daily precipitation	37.5 mm (1.5 in)	50 of 100 (Notable)
Bodie California St Historic P	United States	Record low maximum temperature	15.6 C (60.1 F)	50 of 100 (Notable)
Haugan 1 W	United States	Record daily precipitation	30.7 mm (1.2 in)	50 of 100 (Notable)
Monument 2	United States	Record daily precipitation	26.2 mm (1.0 in)	50 of 100 (Notable)
Rock Creek	United States	Record daily precipitation	32.0 mm (1.3 in)	49 of 100 (Notable)
Paracuaro	Mexico	Record daily precipitation	78.0 mm (3.1 in)	48 of 100 (Notable)
Susanville 2SW	United States	Record low maximum temperature	20.0 C (68.0 F)	48 of 100 (Notable)
Sula 2 SE (Sula Rs)	United States	Record daily precipitation	26.9 mm (1.1 in)	48 of 100 (Notable)
San Diego de Alejandria	Mexico	Record high minimum temperature	20.6 C (69.1 F)	47 of 100 (Notable)
Verkhneuralsk	Russia	Record daily precipitation	42.6 mm (1.7 in)	47 of 100 (Notable)
Paisley	United States	Record daily precipitation	26.9 mm (1.1 in)	47 of 100 (Notable)
Presa la Calera	Mexico	Record low minimum temperature	16.7 C (62.1 F)	46 of 100 (Notable)
Aspendell	United States	Record low maximum temperature	14.4 C (57.9 F)	46 of 100 (Notable)
La Grande	United States	Record daily precipitation	34.3 mm (1.4 in)	46 of 100 (Notable)
Timpanogos Cave	United States	Record low maximum temperature	18.3 C (64.9 F)	46 of 100 (Notable)
Dongfang	China	Record daily precipitation	195.0 mm (7.7 in)	44 of 100 (Notable)
Forsyth	United States	Record daily precipitation	39.4 mm (1.6 in)	44 of 100 (Notable)
The Dalles	United States	Record low maximum temperature	21.1 C (70.0 F)	44 of 100 (Notable)
Union	United States	Record daily precipitation	28.7 mm (1.1 in)	44 of 100 (Notable)
Sedgwick 5 S	United States	Record daily precipitation	37.1 mm (1.5 in)	43 of 100 (Notable)
Driggs	United States	Record low maximum temperature	16.7 C (62.1 F)	43 of 100 (Notable)
Rapelje	United States	Record daily precipitation	51.3 mm (2.0 in)	43 of 100 (Notable)
Wessington Springs	United States	Record low maximum temperature	19.4 C (66.9 F)	43 of 100 (Notable)
Great Falls 16St	United States	Record low maximum temperature	19.4 C (66.9 F)	42 of 100 (Notable)
Nephi	United States	Record low maximum temperature	25.0 C (77.0 F)	42 of 100 (Notable)
San Agustin Metziquititlan	Mexico	Record high maximum temperature	35.0 C (95.0 F)	41 of 100 (Notable)
Esso	Russia	Record daily precipitation	26.8 mm (1.1 in)	41 of 100 (Notable)
Ft Hall 1 NNE	United States	Record low maximum temperature	20.6 C (69.1 F)	41 of 100 (Notable)
Middle Fork Lodge	United States	Record daily precipitation	27.9 mm (1.1 in)	41 of 100 (Notable)
Holter Dam	United States	Record low maximum temperature	20.6 C (69.1 F)	41 of 100 (Notable)
Missoula 6 NW WFO	United States	Record low maximum temperature	18.3 C (64.9 F)	41 of 100 (Notable)
Thompson Falls Ph	United States	Record daily precipitation	30.2 mm (1.2 in)	41 of 100 (Notable)
Deseret	United States	Record low maximum temperature	26.7 C (80.1 F)	41 of 100 (Notable)
Lahontan Dam	United States	Record low maximum temperature	19.4 C (66.9 F)	40 of 100 (Notable)
Hopelchen	Mexico	Record daily precipitation	71.9 mm (2.8 in)	39 of 100 (Notable)
Grace	United States	Record low minimum temperature	1.7 C (35.1 F)	39 of 100 (Notable)
Fessenden	United States	Record low maximum temperature	17.2 C (63.0 F)	39 of 100 (Notable)
Stephan 2 NW	United States	Record low maximum temperature	20.0 C (68.0 F)	39 of 100 (Notable)
Drummond Aviation	United States	Record daily precipitation	38.6 mm (1.5 in)	39 of 100 (Notable)
Grand View 4 NW	United States	Record low maximum temperature	17.8 C (64.0 F)	38 of 100 (Notable)
Ola	United States	Record low maximum temperature	15.0 C (59.0 F)	38 of 100 (Notable)
Topaz Lake	United States	Record low maximum temperature	21.1 C (70.0 F)	38 of 100 (Notable)
Vale	United States	Record low maximum temperature	15.6 C (60.1 F)	38 of 100 (Notable)
White Lake	United States	Record low maximum temperature	19.4 C (66.9 F)	38 of 100 (Notable)
Las Truchas	Mexico	Record daily precipitation	42.7 mm (1.7 in)	37 of 100 (Notable)

Counts by Type and Timescale

1,121 records

Records set or tied on 7 August 2009 by type: Highest daily maximum 222, Lowest daily maximum 314, Highest daily minimum 195, Lowest daily minimum 112, Heaviest daily rainfall 278.

Records on 7 August 2009 by type
Record type	Records
Highest daily maximum	222
Lowest daily maximum	314
Highest daily minimum	195
Lowest daily minimum	112
Heaviest daily rainfall	278
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 7 August 2009 by timescale: all-time 2, monthly 60, daily 1,059.

How Much Records Were Beaten By

821 broken records

Margins by which the 821 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 144.9. Ties are not counted.

Top 20 by Significance

7 August 2009

Top 20 records on 7 August 2009 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
7 August 2009	Gibson Dam, US	daily rain	51.3 mm (2.0 in)	35.6 mm (1.4 in)	96 years	77 of 100 (Major)
7 August 2009	Missoula 6 NW WFO, US	monthly rain	51.6 mm (2.0 in)	15.3 mm (0.6 in)	61 years	68 of 100 (Major)
7 August 2009	Missoula 2 NE, US	monthly rain	54.1 mm (2.1 in)	19.8 mm (0.8 in)	40 years	65 of 100 (Major)
7 August 2009	St Joseph 3 N, US	daily rain	61.0 mm (2.4 in)	40.4 mm (1.6 in)	86 years	62 of 100 (Major)
7 August 2009	Zlatoust, RU	daily rain	40.0 mm (1.6 in)	25.6 mm (1.0 in)	60 years	61 of 100 (Major)
7 August 2009	Augusta, US	daily rain	46.7 mm (1.8 in)	37.3 mm (1.5 in)	32 years	59 of 100 (Notable)
7 August 2009	Cascade 5 S, US	daily rain	43.7 mm (1.7 in)	29.7 mm (1.2 in)	32 years	59 of 100 (Notable)
7 August 2009	Lennep 5 SW, US	daily rain	37.1 mm (1.5 in)	23.1 mm (0.9 in)	48 years	59 of 100 (Notable)
7 August 2009	Austin #2, US	daily low max	16.7 C (62.1 F)	6.1 C (11.0 F)	117 years	57 of 100 (Notable)
7 August 2009	Sun Rvr 4 S, US	daily rain	40.6 mm (1.6 in)	24.6 mm (1.0 in)	34 years	56 of 100 (Notable)
7 August 2009	Sisseton, US	daily rain	70.9 mm (2.8 in)	38.9 mm (1.5 in)	59 years	55 of 100 (Notable)
7 August 2009	Lindbergh Lake, US	daily rain	26.4 mm (1.0 in)	17.3 mm (0.7 in)	48 years	54 of 100 (Notable)
7 August 2009	Joseph, US	daily rain	48.3 mm (1.9 in)	40.2 mm (1.6 in)	10 years	53 of 100 (Notable)
7 August 2009	Riggins, US	daily rain	27.9 mm (1.1 in)	24.1 mm (0.9 in)	6 years	51 of 100 (Notable)
7 August 2009	Menard 3 NE, US	daily rain	26.7 mm (1.1 in)	20.9 mm (0.8 in)	35 years	51 of 100 (Notable)
7 August 2009	Veendam, NL	daily rain	37.5 mm (1.5 in)	16.7 mm (0.7 in)	54 years	50 of 100 (Notable)
7 August 2009	Bodie California St Historic P, US	daily low max	15.6 C (60.1 F)	3.3 C (5.9 F)	109 years	50 of 100 (Notable)
7 August 2009	Haugan 1 W, US	daily rain	30.7 mm (1.2 in)	25.4 mm (1.0 in)	4 years	50 of 100 (Notable)
7 August 2009	Monument 2, US	daily rain	26.2 mm (1.0 in)	21.4 mm (0.8 in)	32 years	50 of 100 (Notable)
7 August 2009	Rock Creek, US	daily rain	32.0 mm (1.3 in)	27.2 mm (1.1 in)	2 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

1808 to 2009

Records set or tied on this calendar date in each year from 1808 to 2009. 2009 had 1,121 records.

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

Records on 08-07 in each year
Year	Records
1808	1
1812	1
1815	1
1816	1
1817	1
1833	2
1844	1
1845	1
1848	1
1857	3
1858	1
1859	2
1861	1
1866	1
1868	1
1869	3
1870	2
1875	1
1876	5
1879	1
1880	2
1882	1
1883	1
1884	2
1886	1
1887	2
1888	5
1889	2
1891	3
1892	3
1893	1
1894	1
1895	7
1896	2
1897	2
1898	4
1899	1
1900	6
1901	3
1902	5
1903	17
1904	8
1905	8
1906	9
1907	10
1908	13
1909	11
1910	1
1911	36
1912	31
1913	39
1914	24
1915	40
1916	50
1917	21
1918	108
1919	36
1920	36
1921	55
1922	61
1923	101
1924	128
1925	81
1926	115
1927	109
1928	188
1929	181
1930	486
1931	357
1932	249
1933	310
1934	608
1935	507
1936	286
1937	446
1938	568
1939	561
1940	271
1941	305
1942	340
1943	601
1944	332
1945	882
1946	500
1947	461
1948	756
1949	587
1950	541
1951	562
1952	556
1953	378
1954	589
1955	536
1956	321
1957	868
1958	571
1959	356
1960	344
1961	356
1962	718
1963	522
1964	446
1965	552
1966	400
1967	701
1968	600
1969	523
1970	652
1971	969
1972	1,172
1973	568
1974	746
1975	1,177
1976	1,168
1977	617
1978	1,210
1979	559
1980	871
1981	855
1982	727
1983	1,207
1984	840
1985	1,088
1986	544
1987	1,146
1988	897
1989	1,472
1990	1,625
1991	1,217
1992	1,236
1993	1,040
1994	1,262
1995	1,521
1996	1,107
1997	1,460
1998	1,183
1999	950
2000	871
2001	1,386
2002	907
2003	1,244
2004	1,400
2005	882
2006	923
2007	1,309
2008	918
2009	1,121
2010	1,098
2011	1,282
2012	688
2013	665
2014	501
2015	1,027
2016	505
2017	954
2018	636
2019	609
2020	605
2021	397
2022	880
2023	1,221
2024	835
2025	733
2026	1,047

Download the Data

Data for records on 2009-08-07: 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 20	781
20 to 40	34
40 to 60	5
60 to 80	0
80 to 100	0
100 to 120	0
120 to 140	0
140 to 160	1