Weather Records on 21 October 1980

378 weather records were set or tied worldwide on 21 October 1980. Highest significance: Roelands Village, AU.

Key Facts for 21 October 1980

On 21 October 1980, 378 weather records were set or tied at long-record stations worldwide.
81 were record highs and 122 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 10 monthly and 368 daily.
Roelands Village set a monthly record daily precipitation of 60.6 mm (2.4 in) on 21 October 1980.
Across 167 earlier years (1795 to 2025) the same calendar date averaged 420 records.

Record Map

378 stations

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

Weather records on 21 October 1980: highest significance records shown on the map
Station	Country	Type	Value	Significance
Roelands Village	Australia	Record daily precipitation	60.6 mm (2.4 in)	56 of 100 (Notable)
Riverdale	Australia	Record daily precipitation	35.0 mm (1.4 in)	55 of 100 (Notable)
Mountain View Birdseye	Canada	Record daily snowfall	40.5 cm (15.9 in)	55 of 100 (Notable)
Mountain View Birdseye	Canada	Record daily precipitation	40.5 mm (1.6 in)	49 of 100 (Notable)
Cadillac	Canada	Record daily precipitation	26.2 mm (1.0 in)	47 of 100 (Notable)
Tarandacuao	Mexico	Record daily precipitation	40.4 mm (1.6 in)	47 of 100 (Notable)
Parkfield	Australia	Record daily precipitation	30.8 mm (1.2 in)	46 of 100 (Notable)
The Warriups	Australia	Record daily precipitation	33.4 mm (1.3 in)	46 of 100 (Notable)
Bunbury Post Office	Australia	Record daily precipitation	31.4 mm (1.2 in)	45 of 100 (Notable)
Milyunup	Australia	Record daily precipitation	40.0 mm (1.6 in)	42 of 100 (Notable)
Nova Palmira	Brazil	Record daily precipitation	61.8 mm (2.4 in)	41 of 100 (Notable)
Boyanup	Australia	Record daily precipitation	34.0 mm (1.3 in)	40 of 100 (Notable)
Orogrande	United States	Record low maximum temperature	11.7 C (53.1 F)	40 of 100 (Notable)
Mercedes 6 SSE	United States	Record low maximum temperature	17.2 C (63.0 F)	40 of 100 (Notable)
Mountain View	Canada	Record daily precipitation	28.0 mm (1.1 in)	39 of 100 (Notable)
Cranbrook	Australia	Record daily precipitation	43.0 mm (1.7 in)	37 of 100 (Notable)
Roros	Norway	Record snow depth	24.0 cm (9.4 in)	37 of 100 (Notable)
Krasnaja_Gora	Russia	Record daily precipitation	26.3 mm (1.0 in)	37 of 100 (Notable)
Dardanup East	Australia	Record daily precipitation	38.0 mm (1.5 in)	36 of 100 (Notable)
Ashley (the Prairies)	Australia	Record daily precipitation	44.0 mm (1.7 in)	36 of 100 (Notable)
Coleman	Canada	Record daily snowfall	17.0 cm (6.7 in)	36 of 100 (Notable)
Tula (Dge)	Mexico	Record daily precipitation	42.2 mm (1.7 in)	36 of 100 (Notable)
Carway	Canada	Record daily snowfall	20.0 cm (7.9 in)	35 of 100 (Notable)
Aneroid	Canada	Record daily precipitation	29.0 mm (1.1 in)	35 of 100 (Notable)
La Tuque	Canada	Record daily snowfall	7.6 cm (3.0 in)	35 of 100 (Notable)
Encantado	Brazil	Record daily precipitation	52.0 mm (2.0 in)	34 of 100 (Routine)
Jolalpan	Mexico	Record daily precipitation	52.3 mm (2.1 in)	34 of 100 (Routine)
Donnybrook	Australia	Record low maximum temperature	13.0 C (55.4 F)	33 of 100 (Routine)
Emerald Post Office	Australia	Record high minimum temperature	23.3 C (73.9 F)	33 of 100 (Routine)
Mountain View	Canada	Record daily snowfall	28.0 cm (11.0 in)	33 of 100 (Routine)
Klintonel	Canada	Record daily snowfall	7.5 cm (3.0 in)	33 of 100 (Routine)
Elk	United States	Record low minimum temperature	-2.2 C (28.0 F)	33 of 100 (Routine)
Passo Tainhas	Brazil	Record daily precipitation	59.3 mm (2.3 in)	32 of 100 (Routine)
Montenegro	Brazil	Record daily precipitation	43.0 mm (1.7 in)	32 of 100 (Routine)
Coloso	Puerto Rico [United States]	Record high minimum temperature	23.3 C (73.9 F)	32 of 100 (Routine)
Markovo	Russia	Record low maximum temperature	-18.5 C (-1.3 F)	32 of 100 (Routine)
Harewood	Australia	Record daily precipitation	30.0 mm (1.2 in)	31 of 100 (Routine)
Purlewaugh (Byfield)	Australia	Record daily precipitation	40.6 mm (1.6 in)	31 of 100 (Routine)
Palpan	Mexico	Record high minimum temperature	18.9 C (66.0 F)	31 of 100 (Routine)
Chernjaevo	Russia	Record low minimum temperature	-19.4 C (-2.9 F)	31 of 100 (Routine)
Katanning Comparison	Australia	Record low maximum temperature	11.0 C (51.8 F)	29 of 100 (Routine)
Tortosa - Observatorio del Ebr	Spain	Record low minimum temperature	5.4 C (41.7 F)	29 of 100 (Routine)
Bridgetown Comparison	Australia	Record low maximum temperature	12.3 C (54.1 F)	28 of 100 (Routine)
Inverness 3 SE	United States	Record high maximum temperature	32.2 C (90.0 F)	28 of 100 (Routine)
Moore Haven Lock 1	United States	Record high maximum temperature	33.3 C (91.9 F)	28 of 100 (Routine)
Roelands	Australia	Record daily precipitation	36.6 mm (1.4 in)	27 of 100 (Routine)
Perpignan	France	Record low minimum temperature	2.6 C (36.7 F)	27 of 100 (Routine)
Kokpekty	Kazakhstan	Record high minimum temperature	3.5 C (38.3 F)	27 of 100 (Routine)
Union de Tula	Mexico	Record daily precipitation	41.9 mm (1.6 in)	27 of 100 (Routine)
Hooker 12 NNW	United States	Record daily snowfall	9.7 cm (3.8 in)	27 of 100 (Routine)
Brunswick Junction	Australia	Record daily precipitation	30.0 mm (1.2 in)	26 of 100 (Routine)
Brigalow Post Office	Australia	Record daily precipitation	33.0 mm (1.3 in)	26 of 100 (Routine)
Ft Lauderdale	United States	Record high maximum temperature	32.8 C (91.0 F)	26 of 100 (Routine)
San Jose Iturbide (Smn)	Mexico	Record daily precipitation	27.9 mm (1.1 in)	25 of 100 (Routine)
Canyon Dam	United States	Record high minimum temperature	6.1 C (43.0 F)	25 of 100 (Routine)
Georgetown Post Office	Australia	Record high minimum temperature	26.0 C (78.8 F)	24 of 100 (Routine)
Toobeah Post Office	Australia	Record daily precipitation	38.0 mm (1.5 in)	24 of 100 (Routine)
Cardston	Canada	Record daily precipitation	25.6 mm (1.0 in)	24 of 100 (Routine)
Cardston	Canada	Record daily snowfall	24.0 cm (9.4 in)	24 of 100 (Routine)
Dinninup	Australia	Record daily precipitation	25.6 mm (1.0 in)	23 of 100 (Routine)

Counts by Type and Timescale

378 records

Records set or tied on 21 October 1980 by type: Highest daily maximum 26, Lowest daily maximum 65, Highest daily minimum 55, Lowest daily minimum 57, Heaviest daily rainfall 153, Heaviest daily snowfall 16, Deepest snow cover 6.

Records on 21 October 1980 by type
Record type	Records
Highest daily maximum	26
Lowest daily maximum	65
Highest daily minimum	55
Lowest daily minimum	57
Heaviest daily rainfall	153
Heaviest daily snowfall	16
Deepest snow cover	6

Records on 21 October 1980 by timescale: all-time 0, monthly 10, daily 368.

How Much Records Were Beaten By

318 broken records

Margins by which the 318 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 253.0. Ties are not counted.

Top 20 by Significance

21 October 1980

Top 20 records on 21 October 1980 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 October 1980	Roelands Village, AU	monthly rain	60.6 mm (2.4 in)	18.7 mm (0.7 in)	47 years	56 of 100 (Notable)
21 October 1980	Riverdale, AU	daily rain	35.0 mm (1.4 in)	21.0 mm (0.8 in)	31 years	55 of 100 (Notable)
21 October 1980	Mountain View Birdseye, CA	daily snowfall	40.5 cm (15.9 in)	25.3 cm (10.0 in)	50 years	55 of 100 (Notable)
21 October 1980	Mountain View Birdseye, CA	daily rain	40.5 mm (1.6 in)	25.3 mm (1.0 in)	50 years	49 of 100 (Notable)
21 October 1980	Cadillac, CA	daily rain	26.2 mm (1.0 in)	17.3 mm (0.7 in)	38 years	47 of 100 (Notable)
21 October 1980	Tarandacuao, MX	daily rain	40.4 mm (1.6 in)	33.5 mm (1.3 in)	32 years	47 of 100 (Notable)
21 October 1980	Parkfield, AU	daily rain	30.8 mm (1.2 in)	22.2 mm (0.9 in)	15 years	46 of 100 (Notable)
21 October 1980	The Warriups, AU	daily rain	33.4 mm (1.3 in)	13.1 mm (0.5 in)	54 years	46 of 100 (Notable)
21 October 1980	Bunbury Post Office, AU	daily rain	31.4 mm (1.2 in)	10.8 mm (0.4 in)	54 years	45 of 100 (Notable)
21 October 1980	Milyunup, AU	monthly rain	40.0 mm (1.6 in)	12.1 mm (0.5 in)	15 years	42 of 100 (Notable)
21 October 1980	Nova Palmira, BR	daily rain	61.8 mm (2.4 in)	39.7 mm (1.6 in)	32 years	41 of 100 (Notable)
21 October 1980	Boyanup, AU	daily rain	34.0 mm (1.3 in)	13.4 mm (0.5 in)	45 years	40 of 100 (Notable)
21 October 1980	Orogrande, US	daily low max	11.7 C (53.1 F)	5.0 C (9.0 F)	75 years	40 of 100 (Notable)
21 October 1980	Mercedes 6 SSE, US	daily low max	17.2 C (63.0 F)	5.6 C (10.1 F)	57 years	40 of 100 (Notable)
21 October 1980	Mountain View, CA	daily rain	28.0 mm (1.1 in)	12.8 mm (0.5 in)	60 years	39 of 100 (Notable)
21 October 1980	Cranbrook, AU	monthly rain	43.0 mm (1.7 in)	7.2 mm (0.28 in)	15 years	37 of 100 (Notable)
21 October 1980	Roros, NO	daily snow depth	24.0 cm (9.4 in)	14.0 cm (5.5 in)	8 years	37 of 100 (Notable)
21 October 1980	Krasnaja_Gora, RU	daily rain	26.3 mm (1.0 in)	11.5 mm (0.5 in)	22 years	37 of 100 (Notable)
21 October 1980	Dardanup East, AU	daily rain	38.0 mm (1.5 in)	13.6 mm (0.5 in)	40 years	36 of 100 (Notable)
21 October 1980	Ashley (the Prairies), AU	daily rain	44.0 mm (1.7 in)	31.3 mm (1.2 in)	10 years	36 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

1795 to 1980

Records set or tied on this calendar date in each year from 1795 to 1980. 1980 had 378 records.

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

Records on 10-21 in each year
Year	Records
1795	1
1802	2
1805	1
1808	1
1810	1
1834	1
1835	1
1840	1
1845	1
1847	1
1850	1
1851	2
1854	1
1859	1
1863	1
1864	1
1866	3
1867	1
1868	3
1869	2
1871	1
1872	1
1873	1
1874	1
1876	4
1877	2
1878	1
1880	3
1881	1
1883	1
1886	1
1888	2
1889	2
1890	3
1891	6
1892	6
1893	1
1894	1
1895	2
1896	5
1898	6
1899	3
1900	2
1901	9
1902	2
1903	3
1904	30
1905	15
1906	11
1907	35
1908	35
1909	19
1910	21
1911	10
1912	18
1913	59
1914	35
1915	43
1916	70
1917	208
1918	18
1919	102
1920	149
1921	58
1922	78
1923	81
1924	389
1925	150
1926	77
1927	187
1928	78
1929	200
1930	492
1931	217
1932	165
1933	733
1934	407
1935	707
1936	407
1937	132
1938	121
1939	491
1940	537
1941	644
1942	258
1943	421
1944	367
1945	538
1946	297
1947	977
1948	266
1949	1,015
1950	438
1951	382
1952	848
1953	1,579
1954	279
1955	481
1956	276
1957	511
1958	322
1959	410
1960	408
1961	553
1962	359
1963	725
1964	457
1965	465
1966	425
1967	472
1968	174
1969	881
1970	548
1971	498
1972	813
1973	464
1974	866
1975	509
1976	1,467
1977	451
1978	616
1979	1,958
1980	378
1981	667
1982	870
1983	786
1984	1,872
1985	776
1986	814
1987	852
1988	696
1989	1,668
1990	807
1991	877
1992	1,095
1993	845
1994	670
1995	1,120
1996	1,581
1997	915
1998	711
1999	688
2000	771
2001	610
2002	1,241
2003	2,066
2004	1,674
2005	949
2006	1,057
2007	916
2008	610
2009	713
2010	710
2011	662
2012	703
2013	440
2014	716
2015	493
2016	734
2017	750
2018	440
2019	757
2020	1,135
2021	574
2022	629
2023	890
2024	1,138
2025	364

Download the Data

Data for records on 1980-10-21: 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 2026-10-12 (12 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 50	307
50 to 100	6
100 to 150	3
150 to 200	1
200 to 250	0
250 to 300	1