Weather Records on 6 August 2009

1,033 weather records were set or tied worldwide on 6 August 2009. Highest significance: Winner, US.

Key Facts for 6 August 2009

On 6 August 2009, 1,033 weather records were set or tied at long-record stations worldwide.
648 were record highs and 196 were record lows, counting maximum and minimum temperature.
By timescale, 4 were all-time records, 65 monthly and 964 daily.
Winner set a daily record precipitation of 60.7 mm (2.4 in) on 6 August 2009.
Across 165 earlier years (1794 to 2026) the same calendar date averaged 443 records.

Record Map

1,033 stations

1,033 station records on 6 August 2009 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 6 August 2009: highest significance records shown on the map
Station	Country	Type	Value	Significance
Winner	United States	Record daily precipitation	60.7 mm (2.4 in)	57 of 100 (Notable)
Yangjiang	China	Record daily precipitation	328.9 mm (12.9 in)	56 of 100 (Notable)
Presa la Calera	Mexico	Record low minimum temperature	15.0 C (59.0 F)	53 of 100 (Notable)
Brookneal	United States	Record daily precipitation	88.9 mm (3.5 in)	53 of 100 (Notable)
Susanville 2SW	United States	Record low maximum temperature	19.4 C (66.9 F)	52 of 100 (Notable)
Glenbrook	United States	Record low maximum temperature	12.8 C (55.0 F)	52 of 100 (Notable)
Reeder	United States	Record daily precipitation	51.6 mm (2.0 in)	52 of 100 (Notable)
Haikou	China	Record daily precipitation	249.0 mm (9.8 in)	51 of 100 (Notable)
Potomac	United States	Record daily precipitation	40.6 mm (1.6 in)	51 of 100 (Notable)
Portola	United States	Record low maximum temperature	16.1 C (61.0 F)	49 of 100 (Notable)
Saddle Mtn.	United States	Record daily precipitation	27.9 mm (1.1 in)	49 of 100 (Notable)
Huoshan	China	Record daily precipitation	194.9 mm (7.7 in)	47 of 100 (Notable)
Deadman Creek	United States	Record daily precipitation	27.9 mm (1.1 in)	47 of 100 (Notable)
Rio Piedras Exp STN	Puerto Rico [United States]	Record daily precipitation	72.4 mm (2.9 in)	45 of 100 (Notable)
Mina	United States	Record low maximum temperature	27.2 C (81.0 F)	45 of 100 (Notable)
Ft Bidwell	United States	Record low maximum temperature	16.1 C (61.0 F)	44 of 100 (Notable)
Quincy	United States	Record low maximum temperature	20.6 C (69.1 F)	44 of 100 (Notable)
Big Timber	United States	Record daily precipitation	32.3 mm (1.3 in)	44 of 100 (Notable)
Srednekan	Russia	Record daily precipitation	36.2 mm (1.4 in)	43 of 100 (Notable)
Clifton	United States	Record high minimum temperature	28.9 C (84.0 F)	43 of 100 (Notable)
Wolf Creek	United States	Record daily precipitation	27.9 mm (1.1 in)	43 of 100 (Notable)
Colstrip	United States	Record daily precipitation	33.3 mm (1.3 in)	42 of 100 (Notable)
Hampstead	United Kingdom	Record daily precipitation	45.3 mm (1.8 in)	41 of 100 (Notable)
Rapelje	United States	Record high minimum temperature	19.4 C (66.9 F)	41 of 100 (Notable)
San Agustin Metziquititlan	Mexico	Record high maximum temperature	35.6 C (96.1 F)	40 of 100 (Notable)
Montezuma Castle Nm	United States	Record high minimum temperature	26.7 C (80.1 F)	40 of 100 (Notable)
Pine Bluff	United States	Record low maximum temperature	26.7 C (80.1 F)	40 of 100 (Notable)
Tacambaro	Mexico	Record high maximum temperature	36.7 C (98.1 F)	39 of 100 (Notable)
Greer	United States	Record high maximum temperature	29.4 C (84.9 F)	39 of 100 (Notable)
Sanya	China	Record low maximum temperature	26.3 C (79.3 F)	38 of 100 (Notable)
Cortez	United States	Record high minimum temperature	19.4 C (66.9 F)	38 of 100 (Notable)
Shoup	United States	Record daily precipitation	35.6 mm (1.4 in)	38 of 100 (Notable)
St George	United States	Record high minimum temperature	27.2 C (81.0 F)	38 of 100 (Notable)
Palizada	Mexico	Record high maximum temperature	37.8 C (100.0 F)	37 of 100 (Notable)
Sells	United States	Record high minimum temperature	28.3 C (82.9 F)	36 of 100 (Notable)
Stony Gorge Rsvr	United States	Record low minimum temperature	10.0 C (50.0 F)	36 of 100 (Notable)
Great Sand Dunes Np & Preserve	United States	Record high minimum temperature	16.7 C (62.1 F)	36 of 100 (Notable)
Rogers Pass 9 NNE	United States	Record daily precipitation	42.7 mm (1.7 in)	36 of 100 (Notable)
Summer Rim	United States	Record daily precipitation	27.9 mm (1.1 in)	36 of 100 (Notable)
Galeana (Smn)	Mexico	Record high maximum temperature	35.6 C (96.1 F)	35 of 100 (Notable)
Rosario	Mexico	Record high minimum temperature	27.8 C (82.0 F)	35 of 100 (Notable)
Cottonwood 2 WSW	United States	Record daily precipitation	26.4 mm (1.0 in)	35 of 100 (Notable)
Bolaos	Mexico	Record high maximum temperature	41.7 C (107.1 F)	34 of 100 (Routine)
Magdalena	Mexico	Record high minimum temperature	21.1 C (70.0 F)	34 of 100 (Routine)
San Francisco	Mexico	Record high maximum temperature	40.0 C (104.0 F)	34 of 100 (Routine)
Nenastnaja	Russia	Record daily precipitation	38.9 mm (1.5 in)	34 of 100 (Routine)
Ajo	United States	Record high maximum temperature	43.9 C (111.0 F)	34 of 100 (Routine)
Bagdad	United States	Record low minimum temperature	10.6 C (51.1 F)	34 of 100 (Routine)
Weiser	United States	Record low maximum temperature	23.3 C (73.9 F)	34 of 100 (Routine)
Lakeview	United States	Record high minimum temperature	17.8 C (64.0 F)	34 of 100 (Routine)
High Ridge	United States	Record daily precipitation	30.5 mm (1.2 in)	34 of 100 (Routine)
Culiacan (Dge)	Mexico	Record high minimum temperature	28.9 C (84.0 F)	33 of 100 (Routine)
El Arenal	Mexico	Record low minimum temperature	5.6 C (42.1 F)	33 of 100 (Routine)
Duncan	United States	Record high minimum temperature	22.8 C (73.0 F)	33 of 100 (Routine)
Wittmann 1SE	United States	Record high minimum temperature	28.3 C (82.9 F)	33 of 100 (Routine)
Orovada 3 W	United States	Record low maximum temperature	21.1 C (70.0 F)	33 of 100 (Routine)
Smoky Valley - Carvers	United States	Record low maximum temperature	23.3 C (73.9 F)	33 of 100 (Routine)
N Platte Rgnl AP	United States	Record daily precipitation	35.6 mm (1.4 in)	33 of 100 (Routine)
Huejotzingo	Mexico	Record low maximum temperature	17.8 C (64.0 F)	32 of 100 (Routine)
Wainwright AP	United States	Record high maximum temperature	20.0 C (68.0 F)	32 of 100 (Routine)

Counts by Type and Timescale

1,033 records

Records set or tied on 6 August 2009 by type: Highest daily maximum 367, Lowest daily maximum 126, Highest daily minimum 281, Lowest daily minimum 70, Heaviest daily rainfall 189.

Records on 6 August 2009 by type
Record type	Records
Highest daily maximum	367
Lowest daily maximum	126
Highest daily minimum	281
Lowest daily minimum	70
Heaviest daily rainfall	189
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 6 August 2009 by timescale: all-time 4, monthly 65, daily 964.

How Much Records Were Beaten By

668 broken records

Margins by which the 668 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 148.5. Ties are not counted.

Top 20 by Significance

6 August 2009

Top 20 records on 6 August 2009 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
6 August 2009	Winner, US	daily rain	60.7 mm (2.4 in)	27.2 mm (1.1 in)	76 years	57 of 100 (Notable)
6 August 2009	Yangjiang, CN	monthly rain	328.9 mm (12.9 in)	90.9 mm (3.6 in)	36 years	56 of 100 (Notable)
6 August 2009	Presa la Calera, MX	daily low min	15.0 C (59.0 F)	5.0 C (9.0 F)	34 years	53 of 100 (Notable)
6 August 2009	Brookneal, US	daily rain	88.9 mm (3.5 in)	49.0 mm (1.9 in)	42 years	53 of 100 (Notable)
6 August 2009	Susanville 2SW, US	daily low max	19.4 C (66.9 F)	5.0 C (9.0 F)	112 years	52 of 100 (Notable)
6 August 2009	Glenbrook, US	daily low max	12.8 C (55.0 F)	8.3 C (14.9 F)	59 years	52 of 100 (Notable)
6 August 2009	Reeder, US	daily rain	51.6 mm (2.0 in)	29.5 mm (1.2 in)	44 years	52 of 100 (Notable)
6 August 2009	Haikou, CN	daily rain	249.0 mm (9.8 in)	148.5 mm (5.8 in)	20 years	51 of 100 (Notable)
6 August 2009	Potomac, US	monthly rain	40.6 mm (1.6 in)	13.9 mm (0.5 in)	30 years	51 of 100 (Notable)
6 August 2009	Portola, US	daily low max	16.1 C (61.0 F)	5.0 C (9.0 F)	92 years	49 of 100 (Notable)
6 August 2009	Saddle Mtn., US	daily rain	27.9 mm (1.1 in)	17.7 mm (0.7 in)	20 years	49 of 100 (Notable)
6 August 2009	Huoshan, CN	daily rain	194.9 mm (7.7 in)	141.9 mm (5.6 in)	7 years	47 of 100 (Notable)
6 August 2009	Deadman Creek, US	daily rain	27.9 mm (1.1 in)	25.4 mm (1.0 in)	16 years	47 of 100 (Notable)
6 August 2009	Rio Piedras Exp STN, PR	daily rain	72.4 mm (2.9 in)	43.4 mm (1.7 in)	38 years	45 of 100 (Notable)
6 August 2009	Mina, US	daily low max	27.2 C (81.0 F)	1.7 C (3.1 F)	112 years	45 of 100 (Notable)
6 August 2009	Ft Bidwell, US	daily low max	16.1 C (61.0 F)	1.7 C (3.1 F)	117 years	44 of 100 (Notable)
6 August 2009	Quincy, US	daily low max	20.6 C (69.1 F)	1.6 C (2.9 F)	112 years	44 of 100 (Notable)
6 August 2009	Big Timber, US	daily rain	32.3 mm (1.3 in)	9.4 mm (0.37 in)	70 years	44 of 100 (Notable)
6 August 2009	Srednekan, RU	daily rain	36.2 mm (1.4 in)	22.7 mm (0.9 in)	8 years	43 of 100 (Notable)
6 August 2009	Clifton, US	daily high min	28.9 C (84.0 F)	1.7 C (3.1 F)	87 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

1794 to 2009

Records set or tied on this calendar date in each year from 1794 to 2009. 2009 had 1,033 records.

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

Records on 08-06 in each year
Year	Records
1794	1
1806	1
1808	1
1809	1
1810	1
1822	1
1830	1
1833	1
1847	1
1849	1
1856	3
1857	2
1858	1
1859	1
1861	1
1866	1
1869	1
1871	2
1876	1
1878	3
1879	1
1881	3
1883	1
1884	1
1885	3
1886	2
1887	1
1888	7
1889	3
1890	2
1891	2
1892	3
1893	1
1894	1
1895	6
1896	6
1897	1
1898	5
1899	2
1900	6
1901	7
1902	4
1903	16
1904	13
1905	13
1906	24
1907	26
1908	17
1909	14
1910	20
1911	22
1912	57
1913	41
1914	6
1915	108
1916	40
1917	35
1918	526
1919	92
1920	39
1921	49
1922	90
1923	113
1924	150
1925	78
1926	85
1927	132
1928	101
1929	189
1930	356
1931	349
1932	226
1933	284
1934	580
1935	330
1936	318
1937	371
1938	308
1939	311
1940	385
1941	356
1942	303
1943	248
1944	312
1945	458
1946	430
1947	625
1948	1,166
1949	464
1950	480
1951	720
1952	513
1953	646
1954	532
1955	531
1956	447
1957	949
1958	521
1959	422
1960	250
1961	551
1962	496
1963	258
1964	481
1965	390
1966	378
1967	757
1968	586
1969	613
1970	504
1971	945
1972	877
1973	876
1974	884
1975	749
1976	923
1977	623
1978	790
1979	544
1980	818
1981	855
1982	643
1983	1,281
1984	815
1985	874
1986	648
1987	948
1988	873
1989	879
1990	1,463
1991	1,100
1992	1,053
1993	1,569
1994	1,918
1995	1,500
1996	1,038
1997	1,216
1998	1,546
1999	938
2000	870
2001	1,100
2002	988
2003	1,221
2004	1,076
2005	756
2006	849
2007	991
2008	820
2009	1,033
2010	1,205
2011	1,357
2012	845
2013	722
2014	673
2015	827
2016	472
2017	827
2018	598
2019	645
2020	510
2021	457
2022	960
2023	1,177
2024	882
2025	721
2026	955

Download the Data

Data for records on 2009-08-06: 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	646
20 to 40	15
40 to 60	4
60 to 80	0
80 to 100	1
100 to 120	0
120 to 140	0
140 to 160	2