Weather Records on 21 August 1980

904 weather records were set or tied worldwide on 21 August 1980. Highest significance: Willow City, US.

Key Facts for 21 August 1980

On 21 August 1980, 904 weather records were set or tied at long-record stations worldwide.
373 were record highs and 221 were record lows, counting maximum and minimum temperature.
By timescale, 4 were all-time records, 22 monthly and 878 daily.
Willow City set a daily record precipitation of 46.5 mm (1.8 in) on 21 August 1980.
Across 165 earlier years (1800 to 2026) the same calendar date averaged 447 records.

Record Map

904 stations

904 station records on 21 August 1980 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 August 1980: highest significance records shown on the map
Station	Country	Type	Value	Significance
Willow City	United States	Record daily precipitation	46.5 mm (1.8 in)	63 of 100 (Major)
Smithton (Grant Street)	Australia	Record daily precipitation	49.4 mm (1.9 in)	59 of 100 (Notable)
Bergland Dam	United States	Record daily precipitation	78.0 mm (3.1 in)	57 of 100 (Notable)
Astara	Azerbaijan	Record daily precipitation	79.1 mm (3.1 in)	55 of 100 (Notable)
Myklebust I Breim	Norway	Record daily precipitation	50.0 mm (2.0 in)	55 of 100 (Notable)
New Orleans Audubon	United States	Record high minimum temperature	28.9 C (84.0 F)	54 of 100 (Notable)
Irishtown	Australia	Record daily precipitation	41.8 mm (1.6 in)	53 of 100 (Notable)
Churchill A	Canada	Record daily precipitation	39.0 mm (1.5 in)	52 of 100 (Notable)
Hansboro 4 NNE	United States	Record daily precipitation	79.5 mm (3.1 in)	51 of 100 (Notable)
Prairie du Chien	United States	Record daily precipitation	88.1 mm (3.5 in)	51 of 100 (Notable)
Indal_D	Sweden	Record daily precipitation	51.3 mm (2.0 in)	50 of 100 (Notable)
Webster Springs	United States	Record daily precipitation	58.7 mm (2.3 in)	50 of 100 (Notable)
Alexandria 4 WSW	United States	Record daily precipitation	45.5 mm (1.8 in)	49 of 100 (Notable)
Zanesville Muni AP	United States	Record daily precipitation	79.0 mm (3.1 in)	49 of 100 (Notable)
Kenora A	Canada	Record daily precipitation	58.4 mm (2.3 in)	46 of 100 (Notable)
Charleston - Yeager AP	United States	Record daily precipitation	66.0 mm (2.6 in)	46 of 100 (Notable)
Mendooran Post Office	Australia	Record daily precipitation	33.0 mm (1.3 in)	45 of 100 (Notable)
Maquoketa	United States	Record daily precipitation	58.4 mm (2.3 in)	45 of 100 (Notable)
Lauriston Reservoir	Australia	Record daily precipitation	34.4 mm (1.4 in)	44 of 100 (Notable)
Garcia	Brazil	Record daily precipitation	51.4 mm (2.0 in)	44 of 100 (Notable)
Alfoten II	Norway	Record daily precipitation	68.7 mm (2.7 in)	44 of 100 (Notable)
Leech Lake	United States	Record daily precipitation	77.0 mm (3.0 in)	43 of 100 (Notable)
Malmsbury Reservoir	Australia	Record daily precipitation	38.0 mm (1.5 in)	42 of 100 (Notable)
Port Hastings	Canada	Record low minimum temperature	7.0 C (44.6 F)	42 of 100 (Notable)
Stockton 3NNE	United States	Record daily precipitation	62.5 mm (2.5 in)	42 of 100 (Notable)
Coliban Upper	Australia	Record daily precipitation	37.4 mm (1.5 in)	41 of 100 (Notable)
Elkader 6 SSW	United States	Record daily precipitation	51.3 mm (2.0 in)	41 of 100 (Notable)
Hibbing Pwr Substn	United States	Record daily precipitation	71.6 mm (2.8 in)	41 of 100 (Notable)
Rolla 1NE	United States	Record daily precipitation	71.1 mm (2.8 in)	41 of 100 (Notable)
Coshocton Wpc Plt	United States	Record daily precipitation	47.5 mm (1.9 in)	40 of 100 (Notable)
Monticello Muni AP	United States	Record high maximum temperature	38.3 C (100.9 F)	40 of 100 (Notable)
Mansfield (Post Office)	Australia	Record daily precipitation	28.2 mm (1.1 in)	39 of 100 (Notable)
Whitlands (Burder's Lane)	Australia	Record daily precipitation	54.8 mm (2.2 in)	38 of 100 (Notable)
Framingham	United States	Record low maximum temperature	17.2 C (63.0 F)	38 of 100 (Notable)
Edith Creek	Australia	Record daily precipitation	41.0 mm (1.6 in)	37 of 100 (Notable)
Mahackala	Russia	Record low maximum temperature	20.5 C (68.9 F)	37 of 100 (Notable)
Clinton	United States	Record low maximum temperature	16.7 C (62.1 F)	37 of 100 (Notable)
Coimbra	Portugal	Record high minimum temperature	19.3 C (66.7 F)	36 of 100 (Notable)
Fayette	United States	Record high minimum temperature	21.7 C (71.1 F)	36 of 100 (Notable)
Ozark	United States	Record high maximum temperature	41.7 C (107.1 F)	36 of 100 (Notable)
Blue Hill Coop	United States	Record low maximum temperature	15.6 C (60.1 F)	36 of 100 (Notable)
Maddock	United States	Record daily precipitation	73.2 mm (2.9 in)	36 of 100 (Notable)
Walhalla 1 SW	United States	Record daily precipitation	33.8 mm (1.3 in)	36 of 100 (Notable)
Wymah (Gwandallen)	Australia	Record daily precipitation	28.0 mm (1.1 in)	35 of 100 (Notable)
Marianna 2 S	United States	Record high maximum temperature	38.3 C (100.9 F)	35 of 100 (Notable)
Poplarville Exp STN	United States	Record high minimum temperature	25.0 C (77.0 F)	35 of 100 (Notable)
Napoleon	United States	Record daily precipitation	91.9 mm (3.6 in)	35 of 100 (Notable)
Cottage Grove 2E	United States	Record low minimum temperature	0.6 C (33.1 F)	35 of 100 (Notable)
Tashkent	Uzbekistan	Record high maximum temperature	39.8 C (103.6 F)	35 of 100 (Notable)
Bendigo Prison	Australia	Record daily precipitation	28.5 mm (1.1 in)	34 of 100 (Routine)
Big Hill Reservoir	Australia	Record daily precipitation	26.1 mm (1.0 in)	34 of 100 (Routine)
Kinglake West (Wallaby Creek)	Australia	Record daily precipitation	30.4 mm (1.2 in)	34 of 100 (Routine)
Haleyville	United States	Record high maximum temperature	36.1 C (97.0 F)	34 of 100 (Routine)
Delta	United States	Record low minimum temperature	5.0 C (41.0 F)	34 of 100 (Routine)
Experiment	United States	Record high maximum temperature	35.6 C (96.1 F)	34 of 100 (Routine)
Wishek	United States	Record daily precipitation	32.0 mm (1.3 in)	34 of 100 (Routine)
Winslow AP	United States	Record low minimum temperature	7.8 C (46.0 F)	34 of 100 (Routine)
Weilmoringle	Australia	Record daily precipitation	25.4 mm (1.0 in)	33 of 100 (Routine)
Barkers Creek Reservoir	Australia	Record daily precipitation	31.2 mm (1.2 in)	33 of 100 (Routine)
Oktjabrskij-Gorodok	Russia	Record low minimum temperature	3.4 C (38.1 F)	33 of 100 (Routine)

Counts by Type and Timescale

904 records

Records set or tied on 21 August 1980 by type: Highest daily maximum 190, Lowest daily maximum 95, Highest daily minimum 183, Lowest daily minimum 126, Heaviest daily rainfall 310.

Records on 21 August 1980 by type
Record type	Records
Highest daily maximum	190
Lowest daily maximum	95
Highest daily minimum	183
Lowest daily minimum	126
Heaviest daily rainfall	310
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 21 August 1980 by timescale: all-time 4, monthly 22, daily 878.

How Much Records Were Beaten By

694 broken records

Margins by which the 694 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 75.5. Ties are not counted.

Top 20 by Significance

21 August 1980

Top 20 records on 21 August 1980 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 August 1980	Willow City, US	daily rain	46.5 mm (1.8 in)	27.4 mm (1.1 in)	86 years	63 of 100 (Major)
21 August 1980	Smithton (Grant Street), AU	daily rain	49.4 mm (1.9 in)	32.9 mm (1.3 in)	43 years	59 of 100 (Notable)
21 August 1980	Bergland Dam, US	daily rain	78.0 mm (3.1 in)	40.2 mm (1.6 in)	56 years	57 of 100 (Notable)
21 August 1980	Astara, AZ	daily rain	79.1 mm (3.1 in)	75.5 mm (3.0 in)	39 years	55 of 100 (Notable)
21 August 1980	Myklebust I Breim, NO	daily rain	50.0 mm (2.0 in)	22.4 mm (0.9 in)	62 years	55 of 100 (Notable)
21 August 1980	New Orleans Audubon, US	daily high min	28.9 C (84.0 F)	3.3 C (5.9 F)	80 years	54 of 100 (Notable)
21 August 1980	Irishtown, AU	daily rain	41.8 mm (1.6 in)	18.2 mm (0.7 in)	67 years	53 of 100 (Notable)
21 August 1980	Churchill A, CA	daily rain	39.0 mm (1.5 in)	28.8 mm (1.1 in)	30 years	52 of 100 (Notable)
21 August 1980	Hansboro 4 NNE, US	daily rain	79.5 mm (3.1 in)	43.9 mm (1.7 in)	16 years	51 of 100 (Notable)
21 August 1980	Prairie du Chien, US	daily rain	88.1 mm (3.5 in)	39.8 mm (1.6 in)	57 years	51 of 100 (Notable)
21 August 1980	Indal_D, SE	daily rain	51.3 mm (2.0 in)	39.5 mm (1.6 in)	24 years	50 of 100 (Notable)
21 August 1980	Webster Springs, US	daily rain	58.7 mm (2.3 in)	27.2 mm (1.1 in)	67 years	50 of 100 (Notable)
21 August 1980	Alexandria 4 WSW, US	daily rain	45.5 mm (1.8 in)	24.2 mm (1.0 in)	67 years	49 of 100 (Notable)
21 August 1980	Zanesville Muni AP, US	daily rain	79.0 mm (3.1 in)	57.2 mm (2.3 in)	20 years	49 of 100 (Notable)
21 August 1980	Kenora A, CA	daily rain	58.4 mm (2.3 in)	42.4 mm (1.7 in)	10 years	46 of 100 (Notable)
21 August 1980	Charleston - Yeager AP, US	daily rain	66.0 mm (2.6 in)	44.4 mm (1.7 in)	29 years	46 of 100 (Notable)
21 August 1980	Mendooran Post Office, AU	daily rain	33.0 mm (1.3 in)	12.4 mm (0.5 in)	69 years	45 of 100 (Notable)
21 August 1980	Maquoketa, US	daily rain	58.4 mm (2.3 in)	21.6 mm (0.9 in)	76 years	45 of 100 (Notable)
21 August 1980	Lauriston Reservoir, AU	daily rain	34.4 mm (1.4 in)	19.9 mm (0.8 in)	25 years	44 of 100 (Notable)
21 August 1980	Garcia, BR	daily rain	51.4 mm (2.0 in)	39.2 mm (1.5 in)	37 years	44 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 1980

Records set or tied on this calendar date in each year from 1800 to 1980. 1980 had 904 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 1980-08-21: 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	602
10 to 20	52
20 to 30	25
30 to 40	7
40 to 50	6
50 to 60	1
60 to 70	0
70 to 80	1