Weather Records on 20 August 1980

991 weather records were set or tied worldwide on 20 August 1980. Highest significance: Beaufort, AU.

Key Facts for 20 August 1980

On 20 August 1980, 991 weather records were set or tied at long-record stations worldwide.
302 were record highs and 276 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 26 monthly and 964 daily.
Beaufort set a daily record precipitation of 33.4 mm (1.3 in) on 20 August 1980.
Across 163 earlier years (1797 to 2026) the same calendar date averaged 451 records.

Record Map

991 stations

991 station records on 20 August 1980 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 August 1980: highest significance records shown on the map
Station	Country	Type	Value	Significance
Beaufort	Australia	Record daily precipitation	33.4 mm (1.3 in)	77 of 100 (Major)
Kewaunee	United States	Record daily precipitation	103.6 mm (4.1 in)	76 of 100 (Major)
Brandon Cda	Canada	Record daily precipitation	67.8 mm (2.7 in)	71 of 100 (Major)
Warranooke (Glenorchy)	Australia	Record daily precipitation	32.6 mm (1.3 in)	67 of 100 (Major)
Bangerang North	Australia	Record daily precipitation	31.2 mm (1.2 in)	66 of 100 (Major)
Elliston	Australia	Record daily precipitation	32.0 mm (1.3 in)	63 of 100 (Major)
Patchewollock	Australia	Record daily precipitation	50.4 mm (2.0 in)	61 of 100 (Major)
Hopetoun	Australia	Record daily precipitation	32.0 mm (1.3 in)	60 of 100 (Major)
Walpeup Research	Australia	Record daily precipitation	46.6 mm (1.8 in)	58 of 100 (Notable)
Lascelles	Australia	Record daily precipitation	33.8 mm (1.3 in)	57 of 100 (Notable)
Walpeup	Australia	Record daily precipitation	47.0 mm (1.9 in)	55 of 100 (Notable)
Spring Grove	United States	Record daily precipitation	71.4 mm (2.8 in)	54 of 100 (Notable)
Glenorchy	Australia	Record daily precipitation	29.0 mm (1.1 in)	53 of 100 (Notable)
Mahackala	Russia	Record daily precipitation	35.5 mm (1.4 in)	53 of 100 (Notable)
Hesperia 4 WNW	United States	Record daily precipitation	100.3 mm (3.9 in)	53 of 100 (Notable)
Grand Rapids Forestry Lab	United States	Record daily precipitation	64.5 mm (2.5 in)	53 of 100 (Notable)
Lowell	United States	Record daily precipitation	104.1 mm (4.1 in)	52 of 100 (Notable)
Ludington 4 SE	United States	Record daily precipitation	100.8 mm (4.0 in)	52 of 100 (Notable)
Galah	Australia	Record daily precipitation	31.0 mm (1.2 in)	50 of 100 (Notable)
Moyston (Barton Estate)	Australia	Record daily precipitation	34.2 mm (1.3 in)	49 of 100 (Notable)
Cypress River	Canada	Record daily precipitation	90.6 mm (3.6 in)	49 of 100 (Notable)
Bemidji	United States	Record daily precipitation	48.5 mm (1.9 in)	49 of 100 (Notable)
Beulah	Australia	Record daily precipitation	29.0 mm (1.1 in)	48 of 100 (Notable)
Mount Hope (Fairview)	Australia	Record daily precipitation	30.8 mm (1.2 in)	47 of 100 (Notable)
Bellellen	Australia	Record daily precipitation	36.6 mm (1.4 in)	47 of 100 (Notable)
Moyston	Australia	Record daily precipitation	36.0 mm (1.4 in)	47 of 100 (Notable)
Rugby	United States	Record daily precipitation	53.3 mm (2.1 in)	46 of 100 (Notable)
Kihnu	Estonia	Record daily precipitation	41.0 mm (1.6 in)	44 of 100 (Notable)
Lysebotn	Norway	Record daily precipitation	46.5 mm (1.8 in)	44 of 100 (Notable)
Djavary	Georgia	Record daily precipitation	85.9 mm (3.4 in)	43 of 100 (Notable)
Baldwin	United States	Record daily precipitation	54.9 mm (2.2 in)	43 of 100 (Notable)
Moorcroft 3S	United States	Record daily precipitation	25.4 mm (1.0 in)	43 of 100 (Notable)
Yates Ctr	United States	Record high minimum temperature	26.7 C (80.1 F)	42 of 100 (Notable)
Durham	United States	Record low maximum temperature	16.7 C (62.1 F)	42 of 100 (Notable)
Nashua 2 NNW	United States	Record low maximum temperature	17.2 C (63.0 F)	42 of 100 (Notable)
Ipswich	United States	Record daily precipitation	47.8 mm (1.9 in)	42 of 100 (Notable)
Snowville	United States	Record low maximum temperature	15.6 C (60.1 F)	42 of 100 (Notable)
Lake Lonsdale	Australia	Record daily precipitation	31.4 mm (1.2 in)	41 of 100 (Notable)
Haverhill	United States	Record low maximum temperature	16.7 C (62.1 F)	41 of 100 (Notable)
Manti	United States	Record low minimum temperature	2.8 C (37.0 F)	41 of 100 (Notable)
Bogoroditskoye-Fenino	Russia	Record low minimum temperature	5.3 C (41.5 F)	40 of 100 (Notable)
Lawrence	United States	Record low maximum temperature	19.4 C (66.9 F)	40 of 100 (Notable)
Oconto 4 W	United States	Record daily precipitation	40.6 mm (1.6 in)	40 of 100 (Notable)
Chohataury	Georgia	Record daily precipitation	52.6 mm (2.1 in)	39 of 100 (Notable)
Port Lincoln (Woolga)	Australia	Record daily precipitation	34.8 mm (1.4 in)	38 of 100 (Notable)
Botnen I Forde	Norway	Record daily precipitation	55.2 mm (2.2 in)	38 of 100 (Notable)
Elatma	Russia	Record low maximum temperature	12.7 C (54.9 F)	38 of 100 (Notable)
Buynaksk	Russia	Record daily precipitation	34.1 mm (1.3 in)	38 of 100 (Notable)
Mc Clusky	United States	Record daily precipitation	25.4 mm (1.0 in)	38 of 100 (Notable)
Kalpienung	Australia	Record daily precipitation	25.4 mm (1.0 in)	37 of 100 (Notable)
Canary Island South	Australia	Record daily precipitation	25.2 mm (1.0 in)	37 of 100 (Notable)
Skipton Post Office	Australia	Record daily precipitation	25.6 mm (1.0 in)	37 of 100 (Notable)
Belfast	United States	Record low maximum temperature	17.8 C (64.0 F)	37 of 100 (Notable)
Aberdeen	United States	Record daily precipitation	68.1 mm (2.7 in)	37 of 100 (Notable)
Antonio Prado	Brazil	Record daily precipitation	74.3 mm (2.9 in)	36 of 100 (Notable)
Bulken	Norway	Record daily precipitation	47.3 mm (1.9 in)	36 of 100 (Notable)
Oktjabrskij-Gorodok	Russia	Record low maximum temperature	14.0 C (57.2 F)	36 of 100 (Notable)
Beatrice	United States	Record high minimum temperature	25.6 C (78.1 F)	36 of 100 (Notable)
Washburn	United States	Record daily precipitation	41.4 mm (1.6 in)	36 of 100 (Notable)
Heber	United States	Record low minimum temperature	-0.6 C (30.9 F)	36 of 100 (Notable)

Counts by Type and Timescale

991 records

Records set or tied on 20 August 1980 by type: Highest daily maximum 94, Lowest daily maximum 153, Highest daily minimum 208, Lowest daily minimum 123, Heaviest daily rainfall 412, Deepest snow cover 1.

Records on 20 August 1980 by type
Record type	Records
Highest daily maximum	94
Lowest daily maximum	153
Highest daily minimum	208
Lowest daily minimum	123
Heaviest daily rainfall	412
Heaviest daily snowfall	0
Deepest snow cover	1

Records on 20 August 1980 by timescale: all-time 1, monthly 26, daily 964.

How Much Records Were Beaten By

801 broken records

Margins by which the 801 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 76.2. Ties are not counted.

Top 20 by Significance

20 August 1980

Top 20 records on 20 August 1980 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 August 1980	Beaufort, AU	daily rain	33.4 mm (1.3 in)	22.0 mm (0.9 in)	93 years	77 of 100 (Major)
20 August 1980	Kewaunee, US	monthly rain	103.6 mm (4.1 in)	48.7 mm (1.9 in)	66 years	76 of 100 (Major)
20 August 1980	Brandon Cda, CA	daily rain	67.8 mm (2.7 in)	42.9 mm (1.7 in)	76 years	71 of 100 (Major)
20 August 1980	Warranooke (Glenorchy), AU	daily rain	32.6 mm (1.3 in)	18.1 mm (0.7 in)	84 years	67 of 100 (Major)
20 August 1980	Bangerang North, AU	daily rain	31.2 mm (1.2 in)	16.2 mm (0.6 in)	71 years	66 of 100 (Major)
20 August 1980	Elliston, AU	daily rain	32.0 mm (1.3 in)	18.3 mm (0.7 in)	62 years	63 of 100 (Major)
20 August 1980	Patchewollock, AU	monthly rain	50.4 mm (2.0 in)	19.9 mm (0.8 in)	22 years	61 of 100 (Major)
20 August 1980	Hopetoun, AU	daily rain	32.0 mm (1.3 in)	20.8 mm (0.8 in)	41 years	60 of 100 (Major)
20 August 1980	Walpeup Research, AU	monthly rain	46.6 mm (1.8 in)	14.3 mm (0.6 in)	22 years	58 of 100 (Notable)
20 August 1980	Lascelles, AU	daily rain	33.8 mm (1.3 in)	24.1 mm (0.9 in)	41 years	57 of 100 (Notable)
20 August 1980	Walpeup, AU	monthly rain	47.0 mm (1.9 in)	10.4 mm (0.4 in)	59 years	55 of 100 (Notable)
20 August 1980	Spring Grove, US	daily rain	71.4 mm (2.8 in)	51.6 mm (2.0 in)	41 years	54 of 100 (Notable)
20 August 1980	Glenorchy, AU	daily rain	29.0 mm (1.1 in)	20.4 mm (0.8 in)	25 years	53 of 100 (Notable)
20 August 1980	Mahackala, RU	daily rain	35.5 mm (1.4 in)	25.8 mm (1.0 in)	37 years	53 of 100 (Notable)
20 August 1980	Hesperia 4 WNW, US	daily rain	100.3 mm (3.9 in)	72.4 mm (2.9 in)	18 years	53 of 100 (Notable)
20 August 1980	Grand Rapids Forestry Lab, US	daily rain	64.5 mm (2.5 in)	39.4 mm (1.6 in)	35 years	53 of 100 (Notable)
20 August 1980	Lowell, US	daily rain	104.1 mm (4.1 in)	76.2 mm (3.0 in)	22 years	52 of 100 (Notable)
20 August 1980	Ludington 4 SE, US	daily rain	100.8 mm (4.0 in)	70.1 mm (2.8 in)	16 years	52 of 100 (Notable)
20 August 1980	Galah, AU	daily rain	31.0 mm (1.2 in)	18.3 mm (0.7 in)	15 years	50 of 100 (Notable)
20 August 1980	Moyston (Barton Estate), AU	daily rain	34.2 mm (1.3 in)	19.7 mm (0.8 in)	25 years	49 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

1797 to 1980

Records set or tied on this calendar date in each year from 1797 to 1980. 1980 had 991 records.

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

Records on 08-20 in each year
Year	Records
1797	1
1807	1
1809	2
1816	1
1830	1
1832	1
1838	1
1840	1
1842	1
1846	1
1849	1
1850	1
1852	1
1858	3
1863	5
1867	4
1870	3
1871	1
1873	1
1875	2
1877	1
1883	2
1884	2
1885	6
1886	1
1888	1
1889	2
1890	2
1891	2
1892	6
1893	1
1894	1
1895	1
1896	5
1897	6
1898	1
1899	5
1900	7
1901	12
1902	3
1903	7
1904	30
1905	7
1906	26
1907	15
1908	21
1909	69
1910	7
1911	18
1912	25
1913	23
1914	15
1915	14
1916	74
1917	51
1918	69
1919	25
1920	47
1921	23
1922	52
1923	83
1924	132
1925	193
1926	187
1927	338
1928	101
1929	213
1930	318
1931	214
1932	299
1933	324
1934	376
1935	339
1936	543
1937	537
1938	250
1939	448
1940	695
1941	230
1942	429
1943	436
1944	355
1945	398
1946	349
1947	988
1948	403
1949	431
1950	1,341
1951	824
1952	425
1953	441
1954	476
1955	848
1956	678
1957	342
1958	281
1959	764
1960	465
1961	520
1962	684
1963	577
1964	629
1965	470
1966	1,094
1967	657
1968	862
1969	608
1970	414
1971	585
1972	522
1973	490
1974	565
1975	411
1976	894
1977	860
1978	563
1979	1,009
1980	991
1981	856
1982	620
1983	1,465
1984	696
1985	666
1986	819
1987	564
1988	991
1989	603
1990	1,262
1991	804
1992	1,168
1993	759
1994	719
1995	1,113
1996	900
1997	1,214
1998	802
1999	810
2000	989
2001	909
2002	1,208
2003	1,031
2004	1,333
2005	1,112
2006	851
2007	1,955
2008	1,170
2009	1,414
2010	1,028
2011	987
2012	1,086
2013	545
2014	582
2015	1,075
2016	872
2017	324
2018	657
2019	698
2020	1,051
2021	1,028
2022	1,038
2023	1,479
2024	589
2025	1,134
2026	985

Download the Data

Data for records on 1980-08-20: 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 10	675
10 to 20	94
20 to 30	17
30 to 40	5
40 to 50	5
50 to 60	1
60 to 70	0
70 to 80	4