Weather Records on 21 August 2006

797 weather records were set or tied worldwide on 21 August 2006. Highest significance: Ness City, US.

Key Facts for 21 August 2006

On 21 August 2006, 797 weather records were set or tied at long-record stations worldwide.
431 were record highs and 162 were record lows, counting maximum and minimum temperature.
By timescale, 5 were all-time records, 25 monthly and 767 daily.
Ness City set a daily record precipitation of 57.2 mm (2.3 in) on 21 August 2006.
Across 165 earlier years (1800 to 2026) the same calendar date averaged 448 records.

Record Map

797 stations

797 station records on 21 August 2006 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 August 2006: highest significance records shown on the map
Station	Country	Type	Value	Significance
Ness City	United States	Record daily precipitation	57.2 mm (2.3 in)	61 of 100 (Major)
Ada	Sweden	Record daily precipitation	44.0 mm (1.7 in)	60 of 100 (Major)
Uccle	Belgium	Record daily precipitation	33.0 mm (1.3 in)	59 of 100 (Notable)
Chechersk-In-Gomel	Belarus	Record daily precipitation	48.7 mm (1.9 in)	59 of 100 (Notable)
Aldan	Russia	Record daily precipitation	68.1 mm (2.7 in)	57 of 100 (Notable)
Pinsk	Belarus	Record daily precipitation	45.0 mm (1.8 in)	55 of 100 (Notable)
Great Sand Dunes Np & Preserve	United States	Record daily precipitation	31.0 mm (1.2 in)	54 of 100 (Notable)
Columbia UNIV of Sc	United States	Record daily precipitation	68.6 mm (2.7 in)	53 of 100 (Notable)
Salida	United States	Record daily precipitation	25.9 mm (1.0 in)	52 of 100 (Notable)
Bell Ranch	United States	Record high minimum temperature	25.0 C (77.0 F)	52 of 100 (Notable)
Harrison	United States	Record daily precipitation	52.6 mm (2.1 in)	50 of 100 (Notable)
Glorieta	United States	Record daily precipitation	51.3 mm (2.0 in)	50 of 100 (Notable)
Cornwall	United States	Record daily precipitation	78.7 mm (3.1 in)	50 of 100 (Notable)
Zhlobin	Belarus	Record daily precipitation	32.8 mm (1.3 in)	48 of 100 (Notable)
El Dorado	Mexico	Record daily precipitation	119.9 mm (4.7 in)	48 of 100 (Notable)
Sjogarde	Sweden	Record daily precipitation	36.4 mm (1.4 in)	48 of 100 (Notable)
Poblado C-22	Mexico	Record daily precipitation	115.1 mm (4.5 in)	47 of 100 (Notable)
Lubeshov	Ukraine	Record daily precipitation	36.0 mm (1.4 in)	47 of 100 (Notable)
Groot Ammers	Netherlands	Record daily precipitation	50.5 mm (2.0 in)	46 of 100 (Notable)
York Pond	United States	Record daily precipitation	75.4 mm (3.0 in)	46 of 100 (Notable)
Minchumina	United States	Record daily precipitation	35.1 mm (1.4 in)	46 of 100 (Notable)
Truth Or Consequences Muni AP	United States	Record daily precipitation	39.9 mm (1.6 in)	45 of 100 (Notable)
Tepelmeme de Morelos	Mexico	Record high minimum temperature	21.7 C (71.1 F)	44 of 100 (Notable)
Carrizozo 1SW	United States	Record daily precipitation	41.4 mm (1.6 in)	44 of 100 (Notable)
Sulphur Springs	United States	Record high minimum temperature	26.1 C (79.0 F)	44 of 100 (Notable)
Rosalia	United States	Record high maximum temperature	38.9 C (102.0 F)	44 of 100 (Notable)
Khartoum	Sudan	Record daily precipitation	72.1 mm (2.8 in)	43 of 100 (Notable)
Grindsjon	Sweden	Record daily precipitation	31.2 mm (1.2 in)	43 of 100 (Notable)
Tooele	United States	Record high maximum temperature	36.7 C (98.1 F)	43 of 100 (Notable)
Odesa	Ukraine	Record high maximum temperature	36.4 C (97.5 F)	42 of 100 (Notable)
Edgeley 3WNW	United States	Record daily precipitation	43.7 mm (1.7 in)	42 of 100 (Notable)
Greenville Kgvl Radio	United States	Record high maximum temperature	43.3 C (109.9 F)	42 of 100 (Notable)
Tizi Ouzou	Algeria	Record high minimum temperature	25.0 C (77.0 F)	41 of 100 (Notable)
Abu Hamed	Sudan	Record daily precipitation	62.2 mm (2.4 in)	41 of 100 (Notable)
Seaside	United States	Record low maximum temperature	14.4 C (57.9 F)	41 of 100 (Notable)
Huntsville	United States	Record low minimum temperature	13.9 C (57.0 F)	41 of 100 (Notable)
Poleskaya	Belarus	Record daily precipitation	33.0 mm (1.3 in)	40 of 100 (Notable)
Tiruchchirapalli	India	Record daily precipitation	84.1 mm (3.3 in)	40 of 100 (Notable)
Bergschenhoek	Netherlands	Record daily precipitation	48.2 mm (1.9 in)	40 of 100 (Notable)
Jakutsk	Russia	Record daily precipitation	44.5 mm (1.8 in)	40 of 100 (Notable)
Alexander	United States	Record daily precipitation	71.1 mm (2.8 in)	40 of 100 (Notable)
Grapevine Dam	United States	Record high minimum temperature	26.7 C (80.1 F)	40 of 100 (Notable)
Kazalinsk	Kazakhstan	Record high maximum temperature	38.6 C (101.5 F)	39 of 100 (Notable)
Frandesta	Sweden	Record daily precipitation	28.4 mm (1.1 in)	39 of 100 (Notable)
Helena	United States	Record high maximum temperature	39.4 C (102.9 F)	39 of 100 (Notable)
Friesoythe-Edewechterdam	Germany	Record daily precipitation	31.6 mm (1.2 in)	38 of 100 (Notable)
Atlatlahuacan	Mexico	Record daily precipitation	47.0 mm (1.9 in)	38 of 100 (Notable)
Villa Juarez	Mexico	Record daily precipitation	43.9 mm (1.7 in)	38 of 100 (Notable)
Gouda	Netherlands	Record daily precipitation	37.1 mm (1.5 in)	38 of 100 (Notable)
Constanta	Romania	Record high maximum temperature	37.5 C (99.5 F)	38 of 100 (Notable)
Mariestad	Sweden	Record daily precipitation	44.0 mm (1.7 in)	38 of 100 (Notable)
Pocahontas 1	United States	Record daily precipitation	66.8 mm (2.6 in)	38 of 100 (Notable)
Hebgen Dam	United States	Record high maximum temperature	31.7 C (89.1 F)	38 of 100 (Notable)
Carthage	United States	Record daily precipitation	87.6 mm (3.4 in)	38 of 100 (Notable)
Tidaholm_D	Sweden	Record daily precipitation	27.6 mm (1.1 in)	37 of 100 (Notable)
Nynashamn	Sweden	Record daily precipitation	27.4 mm (1.1 in)	37 of 100 (Notable)
Corsicana	United States	Record high minimum temperature	26.1 C (79.0 F)	36 of 100 (Notable)
Gilman	United States	Record daily precipitation	63.5 mm (2.5 in)	36 of 100 (Notable)
Santa Rosa	Mexico	Record high minimum temperature	16.7 C (62.1 F)	35 of 100 (Notable)
Kljuchi	Russia	Record high maximum temperature	25.4 C (77.7 F)	35 of 100 (Notable)

Counts by Type and Timescale

797 records

Records set or tied on 21 August 2006 by type: Highest daily maximum 214, Lowest daily maximum 58, Highest daily minimum 217, Lowest daily minimum 104, Heaviest daily rainfall 204.

Records on 21 August 2006 by type
Record type	Records
Highest daily maximum	214
Lowest daily maximum	58
Highest daily minimum	217
Lowest daily minimum	104
Heaviest daily rainfall	204
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 21 August 2006 by timescale: all-time 5, monthly 25, daily 767.

How Much Records Were Beaten By

580 broken records

Margins by which the 580 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 79.8. Ties are not counted.

Top 20 by Significance

21 August 2006

Top 20 records on 21 August 2006 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 August 2006	Ness City, US	daily rain	57.2 mm (2.3 in)	26.7 mm (1.1 in)	104 years	61 of 100 (Major)
21 August 2006	Ada, SE	daily rain	44.0 mm (1.7 in)	32.0 mm (1.3 in)	49 years	60 of 100 (Major)
21 August 2006	Uccle, BE	daily rain	33.0 mm (1.3 in)	12.5 mm (0.5 in)	96 years	59 of 100 (Notable)
21 August 2006	Chechersk-In-Gomel, BY	daily rain	48.7 mm (1.9 in)	43.8 mm (1.7 in)	48 years	59 of 100 (Notable)
21 August 2006	Aldan, RU	daily rain	68.1 mm (2.7 in)	45.2 mm (1.8 in)	36 years	57 of 100 (Notable)
21 August 2006	Pinsk, BY	daily rain	45.0 mm (1.8 in)	22.1 mm (0.9 in)	56 years	55 of 100 (Notable)
21 August 2006	Great Sand Dunes Np & Preserve, US	daily rain	31.0 mm (1.2 in)	18.3 mm (0.7 in)	53 years	54 of 100 (Notable)
21 August 2006	Columbia UNIV of Sc, US	daily rain	68.6 mm (2.7 in)	41.7 mm (1.6 in)	68 years	53 of 100 (Notable)
21 August 2006	Salida, US	daily rain	25.9 mm (1.0 in)	6.8 mm (0.27 in)	97 years	52 of 100 (Notable)
21 August 2006	Bell Ranch, US	daily high min	25.0 C (77.0 F)	3.3 C (5.9 F)	95 years	52 of 100 (Notable)
21 August 2006	Harrison, US	daily rain	52.6 mm (2.1 in)	17.8 mm (0.7 in)	95 years	50 of 100 (Notable)
21 August 2006	Glorieta, US	daily rain	51.3 mm (2.0 in)	23.4 mm (0.9 in)	59 years	50 of 100 (Notable)
21 August 2006	Cornwall, US	daily rain	78.7 mm (3.1 in)	53.6 mm (2.1 in)	1 year	50 of 100 (Notable)
21 August 2006	Zhlobin, BY	daily rain	32.8 mm (1.3 in)	25.9 mm (1.0 in)	32 years	48 of 100 (Notable)
21 August 2006	El Dorado, MX	daily rain	119.9 mm (4.7 in)	66.6 mm (2.6 in)	20 years	48 of 100 (Notable)
21 August 2006	Sjogarde, SE	daily rain	36.4 mm (1.4 in)	25.9 mm (1.0 in)	36 years	48 of 100 (Notable)
21 August 2006	Poblado C-22, MX	daily rain	115.1 mm (4.5 in)	79.8 mm (3.1 in)	15 years	47 of 100 (Notable)
21 August 2006	Lubeshov, UA	daily rain	36.0 mm (1.4 in)	24.8 mm (1.0 in)	27 years	47 of 100 (Notable)
21 August 2006	Groot Ammers, NL	monthly rain	50.5 mm (2.0 in)	10.4 mm (0.4 in)	52 years	46 of 100 (Notable)
21 August 2006	York Pond, US	daily rain	75.4 mm (3.0 in)	19.5 mm (0.8 in)	68 years	46 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 2006

Records set or tied on this calendar date in each year from 1800 to 2006. 2006 had 797 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 2006-08-21: 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 2026-10-14 (14 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).

Margin	Records
0 to 10	492
10 to 20	56
20 to 30	17
30 to 40	5
40 to 50	5
50 to 60	2
60 to 70	2
70 to 80	1