Weather Records on 21 August 2008

1,012 weather records were set or tied worldwide on 21 August 2008. Highest significance: Harvey 4NE, US.

Key Facts for 21 August 2008

On 21 August 2008, 1,012 weather records were set or tied at long-record stations worldwide.
373 were record highs and 389 were record lows, counting maximum and minimum temperature.
By timescale, 3 were all-time records, 28 monthly and 981 daily.
Harvey 4NE set a daily record precipitation of 81.3 mm (3.2 in) on 21 August 2008.
Across 165 earlier years (1800 to 2026) the same calendar date averaged 447 records.

Record Map

1,012 stations

1,012 station records on 21 August 2008 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 August 2008: highest significance records shown on the map
Station	Country	Type	Value	Significance
Harvey 4NE	United States	Record daily precipitation	81.3 mm (3.2 in)	59 of 100 (Notable)
Uliastai	China	Record daily precipitation	52.9 mm (2.1 in)	55 of 100 (Notable)
Mayport Pilot STN	United States	Record daily precipitation	83.6 mm (3.3 in)	53 of 100 (Notable)
Water Valley	United States	Record daily precipitation	52.1 mm (2.1 in)	52 of 100 (Notable)
Orlando Executive AP	United States	Record low maximum temperature	25.6 C (78.1 F)	52 of 100 (Notable)
Potrerillos	Mexico	Record low minimum temperature	10.0 C (50.0 F)	51 of 100 (Notable)
University	United States	Record daily precipitation	77.2 mm (3.0 in)	51 of 100 (Notable)
Villa Juarez	Mexico	Record daily precipitation	58.4 mm (2.3 in)	50 of 100 (Notable)
Ust-Charky	Russia	Record daily precipitation	32.0 mm (1.3 in)	50 of 100 (Notable)
Melbourne WFO	United States	Record daily precipitation	156.2 mm (6.1 in)	50 of 100 (Notable)
Dworshak Fish Hatchery	United States	Record daily precipitation	27.9 mm (1.1 in)	50 of 100 (Notable)
Saint Ignatius	United States	Record daily precipitation	32.3 mm (1.3 in)	50 of 100 (Notable)
Inverness 3 SE	United States	Record high minimum temperature	25.6 C (78.1 F)	49 of 100 (Notable)
Doniphan	United States	Record low maximum temperature	22.8 C (73.0 F)	49 of 100 (Notable)
Troicko-Pecherskoe	Russia	Record daily precipitation	49.1 mm (1.9 in)	48 of 100 (Notable)
Booneville	United States	Record daily precipitation	64.8 mm (2.6 in)	48 of 100 (Notable)
Angleton 2 W	United States	Record high minimum temperature	30.0 C (86.0 F)	48 of 100 (Notable)
El Palote	Mexico	Record daily precipitation	57.9 mm (2.3 in)	47 of 100 (Notable)
Batesville Lvstk	United States	Record daily precipitation	71.9 mm (2.8 in)	47 of 100 (Notable)
Hardy	United States	Record low maximum temperature	20.6 C (69.1 F)	47 of 100 (Notable)
El Campo	United States	Record daily precipitation	106.7 mm (4.2 in)	47 of 100 (Notable)
Wharton	United States	Record daily precipitation	103.6 mm (4.1 in)	47 of 100 (Notable)
Thule Op Site	Greenland [Denmark]	Record daily precipitation	31.8 mm (1.3 in)	46 of 100 (Notable)
Florence	United States	Record high minimum temperature	32.2 C (90.0 F)	46 of 100 (Notable)
Saint Helena	United States	Record high minimum temperature	17.8 C (64.0 F)	46 of 100 (Notable)
Jennings	United States	Record low maximum temperature	26.1 C (79.0 F)	45 of 100 (Notable)
Polson	United States	Record low maximum temperature	16.7 C (62.1 F)	45 of 100 (Notable)
San Tiburcio (Dge)	Mexico	Record daily precipitation	55.9 mm (2.2 in)	44 of 100 (Notable)
Strelka Chunja	Russia	Record daily precipitation	26.2 mm (1.0 in)	44 of 100 (Notable)
Lake Arthur 7 SW	United States	Record low maximum temperature	27.2 C (81.0 F)	44 of 100 (Notable)
Claremore 2 ENE	United States	Record low maximum temperature	23.3 C (73.9 F)	44 of 100 (Notable)
Cougar 6 E	United States	Record daily precipitation	68.8 mm (2.7 in)	44 of 100 (Notable)
Calico Rock 2 WSW	United States	Record low maximum temperature	20.6 C (69.1 F)	43 of 100 (Notable)
Mt Ida 3 SE	United States	Record low maximum temperature	22.8 C (73.0 F)	43 of 100 (Notable)
Ukiah	United States	Record high minimum temperature	20.0 C (68.0 F)	43 of 100 (Notable)
Fernandina Beach	United States	Record low maximum temperature	25.0 C (77.0 F)	43 of 100 (Notable)
Wellington	United States	Record low maximum temperature	23.9 C (75.0 F)	43 of 100 (Notable)
Hardy	United States	Record daily precipitation	36.3 mm (1.4 in)	42 of 100 (Notable)
Farmerville	United States	Record low maximum temperature	26.1 C (79.0 F)	42 of 100 (Notable)
Abbeville	United States	Record daily precipitation	63.0 mm (2.5 in)	42 of 100 (Notable)
Helena 1 SSE	United States	Record low maximum temperature	24.4 C (75.9 F)	42 of 100 (Notable)
Washington 2 ESE	United States	Record low minimum temperature	11.7 C (53.1 F)	41 of 100 (Notable)
Haugan 1 W	United States	Record daily precipitation	26.2 mm (1.0 in)	41 of 100 (Notable)
Atoka	United States	Record daily precipitation	75.9 mm (3.0 in)	41 of 100 (Notable)
Daytona Beach Intl AP	United States	Record low maximum temperature	25.6 C (78.1 F)	41 of 100 (Notable)
Hacienda de Arriba	Mexico	Record daily precipitation	61.0 mm (2.4 in)	40 of 100 (Notable)
Jonesboro 3 SSE	United States	Record low maximum temperature	22.8 C (73.0 F)	40 of 100 (Notable)
Spearfish	United States	Record high minimum temperature	23.9 C (75.0 F)	40 of 100 (Notable)
Valle de Santiago	Mexico	Record daily precipitation	49.8 mm (2.0 in)	39 of 100 (Notable)
Warren 2 ENE	United States	Record low maximum temperature	24.4 C (75.9 F)	39 of 100 (Notable)
Ruston la Tech	United States	Record low maximum temperature	26.1 C (79.0 F)	39 of 100 (Notable)
Max	United States	Record high minimum temperature	20.0 C (68.0 F)	39 of 100 (Notable)
Bonneville Dam	United States	Record daily precipitation	30.5 mm (1.2 in)	39 of 100 (Notable)
Furner (Kennion Section 235)	Australia	Record daily precipitation	28.0 mm (1.1 in)	38 of 100 (Notable)
Jomo Kenyatta Intl	Kenya	Record low minimum temperature	0.0 C (32.0 F)	38 of 100 (Notable)
Turkestan	Kazakhstan	Record high minimum temperature	24.8 C (76.6 F)	38 of 100 (Notable)
Subiaco	United States	Record low maximum temperature	21.7 C (71.1 F)	38 of 100 (Notable)
Fenn Rs	United States	Record daily precipitation	30.7 mm (1.2 in)	38 of 100 (Notable)
Tuskahoma	United States	Record low maximum temperature	24.4 C (75.9 F)	38 of 100 (Notable)
Colville	United States	Record low maximum temperature	20.0 C (68.0 F)	38 of 100 (Notable)

Counts by Type and Timescale

1,012 records

Records set or tied on 21 August 2008 by type: Highest daily maximum 109, Lowest daily maximum 313, Highest daily minimum 264, Lowest daily minimum 76, Heaviest daily rainfall 250.

Records on 21 August 2008 by type
Record type	Records
Highest daily maximum	109
Lowest daily maximum	313
Highest daily minimum	264
Lowest daily minimum	76
Heaviest daily rainfall	250
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 21 August 2008 by timescale: all-time 3, monthly 28, daily 981.

How Much Records Were Beaten By

759 broken records

Margins by which the 759 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 88.6. Ties are not counted.

Top 20 by Significance

21 August 2008

Top 20 records on 21 August 2008 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 August 2008	Harvey 4NE, US	daily rain	81.3 mm (3.2 in)	55.4 mm (2.2 in)	44 years	59 of 100 (Notable)
21 August 2008	Uliastai, CN	daily rain	52.9 mm (2.1 in)	38.0 mm (1.5 in)	34 years	55 of 100 (Notable)
21 August 2008	Mayport Pilot STN, US	daily rain	83.6 mm (3.3 in)	61.0 mm (2.4 in)	36 years	53 of 100 (Notable)
21 August 2008	Water Valley, US	daily rain	52.1 mm (2.1 in)	22.9 mm (0.9 in)	89 years	52 of 100 (Notable)
21 August 2008	Orlando Executive AP, US	daily low max	25.6 C (78.1 F)	3.3 C (5.9 F)	86 years	52 of 100 (Notable)
21 August 2008	Potrerillos, MX	daily low min	10.0 C (50.0 F)	5.0 C (9.0 F)	24 years	51 of 100 (Notable)
21 August 2008	University, US	daily rain	77.2 mm (3.0 in)	59.2 mm (2.3 in)	4 years	51 of 100 (Notable)
21 August 2008	Villa Juarez, MX	daily rain	58.4 mm (2.3 in)	36.0 mm (1.4 in)	41 years	50 of 100 (Notable)
21 August 2008	Ust-Charky, RU	daily rain	32.0 mm (1.3 in)	23.5 mm (0.9 in)	23 years	50 of 100 (Notable)
21 August 2008	Melbourne WFO, US	daily rain	156.2 mm (6.1 in)	88.6 mm (3.5 in)	10 years	50 of 100 (Notable)
21 August 2008	Dworshak Fish Hatchery, US	daily rain	27.9 mm (1.1 in)	21.5 mm (0.8 in)	23 years	50 of 100 (Notable)
21 August 2008	Saint Ignatius, US	daily rain	32.3 mm (1.3 in)	7.9 mm (0.31 in)	93 years	50 of 100 (Notable)
21 August 2008	Inverness 3 SE, US	daily high min	25.6 C (78.1 F)	1.2 C (2.2 F)	108 years	49 of 100 (Notable)
21 August 2008	Doniphan, US	daily low max	22.8 C (73.0 F)	3.3 C (5.9 F)	101 years	49 of 100 (Notable)
21 August 2008	Troicko-Pecherskoe, RU	monthly rain	49.1 mm (1.9 in)	4.9 mm (0.19 in)	69 years	48 of 100 (Notable)
21 August 2008	Booneville, US	daily rain	64.8 mm (2.6 in)	31.8 mm (1.3 in)	59 years	48 of 100 (Notable)
21 August 2008	Angleton 2 W, US	all-time high min	30.0 C (86.0 F)	0.6 C (1.1 F)	53 years	48 of 100 (Notable)
21 August 2008	El Palote, MX	daily rain	57.9 mm (2.3 in)	35.5 mm (1.4 in)	46 years	47 of 100 (Notable)
21 August 2008	Batesville Lvstk, US	daily rain	71.9 mm (2.8 in)	48.0 mm (1.9 in)	38 years	47 of 100 (Notable)
21 August 2008	Hardy, US	daily low max	20.6 C (69.1 F)	2.7 C (4.9 F)	101 years	47 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

1800 to 2008

Records set or tied on this calendar date in each year from 1800 to 2008. 2008 had 1,012 records.

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

Records on 08-21 in each year
Year	Records
1800	1
1802	1
1804	1
1807	1
1816	1
1818	1
1832	1
1834	1
1839	3
1843	1
1847	1
1849	3
1850	1
1851	2
1863	1
1866	1
1867	2
1870	3
1871	2
1872	1
1873	1
1876	1
1877	2
1879	2
1884	2
1885	5
1886	1
1887	5
1888	2
1889	3
1890	4
1891	2
1893	4
1894	8
1895	3
1896	2
1897	4
1898	4
1899	7
1900	4
1901	9
1902	8
1903	6
1904	8
1905	4
1906	22
1907	20
1908	13
1909	17
1910	33
1911	19
1912	50
1913	37
1914	24
1915	21
1916	106
1917	101
1918	202
1919	19
1920	59
1921	34
1922	58
1923	111
1924	135
1925	220
1926	227
1927	228
1928	110
1929	234
1930	297
1931	277
1932	264
1933	328
1934	320
1935	318
1936	807
1937	762
1938	239
1939	630
1940	683
1941	180
1942	415
1943	438
1944	346
1945	544
1946	390
1947	954
1948	305
1949	508
1950	958
1951	699
1952	368
1953	331
1954	497
1955	885
1956	701
1957	490
1958	389
1959	704
1960	490
1961	644
1962	469
1963	338
1964	794
1965	455
1966	661
1967	541
1968	1,014
1969	650
1970	373
1971	660
1972	441
1973	438
1974	564
1975	545
1976	756
1977	764
1978	445
1979	778
1980	904
1981	1,015
1982	769
1983	1,407
1984	975
1985	623
1986	1,166
1987	740
1988	889
1989	828
1990	910
1991	828
1992	957
1993	698
1994	968
1995	962
1996	950
1997	1,291
1998	948
1999	717
2000	861
2001	797
2002	965
2003	1,241
2004	1,585
2005	1,071
2006	797
2007	1,829
2008	1,012
2009	1,319
2010	1,155
2011	1,022
2012	990
2013	513
2014	624
2015	651
2016	890
2017	347
2018	816
2019	631
2020	1,147
2021	767
2022	917
2023	1,826
2024	777
2025	1,230
2026	1,289

Download the Data

Data for records on 2008-08-21: 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 2026-10-13 (13 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Histogram of margins by which records were beaten on 21 August 2008
Margin	Records
0 to 20	705
20 to 40	38
40 to 60	13
60 to 80	2
80 to 100	1