Weather Records on 21 August 2002

965 weather records were set or tied worldwide on 21 August 2002. Highest significance: Freeport Wwtp, US.

Key Facts for 21 August 2002

On 21 August 2002, 965 weather records were set or tied at long-record stations worldwide.
401 were record highs and 208 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 21 monthly and 942 daily.
Freeport Wwtp set an all-time record daily precipitation of 231.6 mm (9.1 in) on 21 August 2002.
Across 165 earlier years (1800 to 2026) the same calendar date averaged 447 records.

Record Map

965 stations

965 station records on 21 August 2002 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 August 2002: highest significance records shown on the map
Station	Country	Type	Value	Significance
Freeport Wwtp	United States	Record daily precipitation	231.6 mm (9.1 in)	77 of 100 (Major)
Marion	United States	Record daily precipitation	87.6 mm (3.4 in)	74 of 100 (Major)
Joseph	United States	Record daily precipitation	28.4 mm (1.1 in)	71 of 100 (Major)
Moccasin Exp STN	United States	Record daily precipitation	47.0 mm (1.9 in)	69 of 100 (Major)
Montevideo 1SW	United States	Record daily precipitation	160.0 mm (6.3 in)	68 of 100 (Major)
Chillagoe Atherton Street	Australia	Record daily precipitation	30.6 mm (1.2 in)	66 of 100 (Major)
Lady Elliot Island	Australia	Record daily precipitation	83.2 mm (3.3 in)	62 of 100 (Major)
Mondovi	United States	Record daily precipitation	93.0 mm (3.7 in)	61 of 100 (Major)
Tecoma	Australia	Record daily precipitation	121.0 mm (4.8 in)	60 of 100 (Major)
Litchfield	United States	Record daily precipitation	132.1 mm (5.2 in)	60 of 100 (Major)
Palen Creek Correctional	Australia	Record daily precipitation	59.0 mm (2.3 in)	59 of 100 (Notable)
Dubuque Rgnl AP	United States	Record daily precipitation	152.1 mm (6.0 in)	58 of 100 (Notable)
Kurilsk	Russia	Record daily precipitation	79.3 mm (3.1 in)	54 of 100 (Notable)
River Falls	United States	Record daily precipitation	65.5 mm (2.6 in)	54 of 100 (Notable)
Mitchell 2 N	United States	Record daily precipitation	58.4 mm (2.3 in)	53 of 100 (Notable)
Lochem	Netherlands	Record daily precipitation	50.2 mm (2.0 in)	52 of 100 (Notable)
Storm Lake	United States	Record daily precipitation	99.6 mm (3.9 in)	52 of 100 (Notable)
Rookwood Station	Australia	Record daily precipitation	35.0 mm (1.4 in)	51 of 100 (Notable)
Bridgewater	United States	Record daily precipitation	94.0 mm (3.7 in)	51 of 100 (Notable)
Rockford Gtr Rockford AP	United States	Record daily precipitation	72.1 mm (2.8 in)	50 of 100 (Notable)
Chilapa (Dge)	Mexico	Record high minimum temperature	21.7 C (71.1 F)	49 of 100 (Notable)
Canby	United States	Record daily precipitation	82.8 mm (3.3 in)	49 of 100 (Notable)
Baldwin	United States	Record daily precipitation	77.2 mm (3.0 in)	49 of 100 (Notable)
Campo 7 S	United States	Record daily precipitation	81.3 mm (3.2 in)	48 of 100 (Notable)
Tyndall	United States	Record daily precipitation	45.0 mm (1.8 in)	48 of 100 (Notable)
Le Mars	United States	Record daily precipitation	69.9 mm (2.8 in)	47 of 100 (Notable)
Weyerhaeuser 1N	United States	Record daily precipitation	59.7 mm (2.4 in)	47 of 100 (Notable)
Kyzyl-Ozek	Russia	Record daily precipitation	45.8 mm (1.8 in)	46 of 100 (Notable)
Dawson	United States	Record daily precipitation	109.2 mm (4.3 in)	46 of 100 (Notable)
Wentworth 2.5 WNW	United States	Record daily precipitation	54.9 mm (2.2 in)	46 of 100 (Notable)
Cumberland	United States	Record daily precipitation	68.1 mm (2.7 in)	46 of 100 (Notable)
Menomonie	United States	Record daily precipitation	68.3 mm (2.7 in)	46 of 100 (Notable)
Heron Island Res STN	Australia	Record daily precipitation	38.6 mm (1.5 in)	45 of 100 (Notable)
Yreka	United States	Record low minimum temperature	4.4 C (39.9 F)	45 of 100 (Notable)
Stockton 3NNE	United States	Record daily precipitation	94.7 mm (3.7 in)	45 of 100 (Notable)
U of Mn St Paul	United States	Record daily precipitation	59.7 mm (2.4 in)	45 of 100 (Notable)
Ellsworth 1E	United States	Record daily precipitation	63.0 mm (2.5 in)	45 of 100 (Notable)
Post	United States	Record daily precipitation	76.2 mm (3.0 in)	44 of 100 (Notable)
Villa Obregon	Mexico	Record low minimum temperature	6.7 C (44.1 F)	43 of 100 (Notable)
Mayaguez City	Puerto Rico [United States]	Record high minimum temperature	23.9 C (75.0 F)	43 of 100 (Notable)
Pipestone	United States	Record daily precipitation	88.9 mm (3.5 in)	43 of 100 (Notable)
Nikolskoye/Beringa Ostrov	Russia	Record low minimum temperature	3.3 C (37.9 F)	42 of 100 (Notable)
Hastings Dam 2	United States	Record daily precipitation	45.2 mm (1.8 in)	42 of 100 (Notable)
Ft Duchesne	United States	Record high maximum temperature	37.8 C (100.0 F)	42 of 100 (Notable)
La Vega	Mexico	Record low minimum temperature	11.1 C (52.0 F)	40 of 100 (Notable)
Union Springs 9 S	United States	Record daily precipitation	33.0 mm (1.3 in)	40 of 100 (Notable)
Chippewa Valley Rgnl AP	United States	Record daily precipitation	76.2 mm (3.0 in)	40 of 100 (Notable)
Southport Ridgeway Ave	Australia	Record daily precipitation	26.0 mm (1.0 in)	39 of 100 (Notable)
Willmar Wwtp	United States	Record daily precipitation	79.5 mm (3.1 in)	39 of 100 (Notable)
Foxholm 7 N	United States	Record low minimum temperature	1.7 C (35.1 F)	39 of 100 (Notable)
Traverse Cy Cherry Capital AP	United States	Record daily precipitation	32.3 mm (1.3 in)	39 of 100 (Notable)
Suwa	Japan	Record low minimum temperature	11.8 C (53.2 F)	38 of 100 (Notable)
Shimizu	Japan	Record low minimum temperature	20.9 C (69.6 F)	38 of 100 (Notable)
Borzja	Russia	Record high minimum temperature	15.7 C (60.3 F)	38 of 100 (Notable)
Faribault	United States	Record low minimum temperature	3.3 C (37.9 F)	38 of 100 (Notable)
Conde	United States	Record daily precipitation	59.2 mm (2.3 in)	38 of 100 (Notable)
Hitoyoshi	Japan	Record low minimum temperature	16.2 C (61.2 F)	37 of 100 (Notable)
Ft Peck Pwr Plt	United States	Record daily precipitation	59.4 mm (2.3 in)	37 of 100 (Notable)
Flandreau	United States	Record daily precipitation	69.1 mm (2.7 in)	37 of 100 (Notable)
Kleve	Germany	Record daily precipitation	27.8 mm (1.1 in)	36 of 100 (Notable)

Counts by Type and Timescale

965 records

Records set or tied on 21 August 2002 by type: Highest daily maximum 171, Lowest daily maximum 90, Highest daily minimum 230, Lowest daily minimum 118, Heaviest daily rainfall 356.

Records on 21 August 2002 by type
Record type	Records
Highest daily maximum	171
Lowest daily maximum	90
Highest daily minimum	230
Lowest daily minimum	118
Heaviest daily rainfall	356
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 21 August 2002 by timescale: all-time 2, monthly 21, daily 942.

How Much Records Were Beaten By

789 broken records

Margins by which the 789 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 98.2. Ties are not counted.

Top 20 by Significance

21 August 2002

Top 20 records on 21 August 2002 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 August 2002	Freeport Wwtp, US	all-time rain	231.6 mm (9.1 in)	98.2 mm (3.9 in)	40 years	77 of 100 (Major)
21 August 2002	Marion, US	daily rain	87.6 mm (3.4 in)	63.5 mm (2.5 in)	80 years	74 of 100 (Major)
21 August 2002	Joseph, US	daily rain	28.4 mm (1.1 in)	19.5 mm (0.8 in)	101 years	71 of 100 (Major)
21 August 2002	Moccasin Exp STN, US	daily rain	47.0 mm (1.9 in)	27.9 mm (1.1 in)	68 years	69 of 100 (Major)
21 August 2002	Montevideo 1SW, US	monthly rain	160.0 mm (6.3 in)	57.6 mm (2.3 in)	28 years	68 of 100 (Major)
21 August 2002	Chillagoe Atherton Street, AU	daily rain	30.6 mm (1.2 in)	30.6 mm (1.2 in)	100 years	66 of 100 (Major)
21 August 2002	Lady Elliot Island, AU	daily rain	83.2 mm (3.3 in)	55.3 mm (2.2 in)	55 years	62 of 100 (Major)
21 August 2002	Mondovi, US	daily rain	93.0 mm (3.7 in)	54.4 mm (2.1 in)	43 years	61 of 100 (Major)
21 August 2002	Tecoma, AU	monthly rain	121.0 mm (4.8 in)	46.8 mm (1.8 in)	13 years	60 of 100 (Major)
21 August 2002	Litchfield, US	daily rain	132.1 mm (5.2 in)	78.8 mm (3.1 in)	37 years	60 of 100 (Major)
21 August 2002	Palen Creek Correctional, AU	daily rain	59.0 mm (2.3 in)	43.5 mm (1.7 in)	53 years	59 of 100 (Notable)
21 August 2002	Dubuque Rgnl AP, US	monthly rain	152.1 mm (6.0 in)	64.5 mm (2.5 in)	12 years	58 of 100 (Notable)
21 August 2002	Kurilsk, RU	daily rain	79.3 mm (3.1 in)	63.4 mm (2.5 in)	32 years	54 of 100 (Notable)
21 August 2002	River Falls, US	daily rain	65.5 mm (2.6 in)	32.2 mm (1.3 in)	79 years	54 of 100 (Notable)
21 August 2002	Mitchell 2 N, US	daily rain	58.4 mm (2.3 in)	26.6 mm (1.0 in)	72 years	53 of 100 (Notable)
21 August 2002	Lochem, NL	daily rain	50.2 mm (2.0 in)	23.7 mm (0.9 in)	40 years	52 of 100 (Notable)
21 August 2002	Storm Lake, US	daily rain	99.6 mm (3.9 in)	54.6 mm (2.1 in)	36 years	52 of 100 (Notable)
21 August 2002	Rookwood Station, AU	daily rain	35.0 mm (1.4 in)	35.0 mm (1.4 in)	40 years	51 of 100 (Notable)
21 August 2002	Bridgewater, US	daily rain	94.0 mm (3.7 in)	73.7 mm (2.9 in)	20 years	51 of 100 (Notable)
21 August 2002	Rockford Gtr Rockford AP, US	daily rain	72.1 mm (2.8 in)	50.0 mm (2.0 in)	37 years	50 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 2002

Records set or tied on this calendar date in each year from 1800 to 2002. 2002 had 965 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 2002-08-21: 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).

Histogram of margins by which records were beaten on 21 August 2002
Margin	Records
0 to 20	733
20 to 40	39
40 to 60	11
60 to 80	5
80 to 100	1