Weather Records on 20 October 1980

350 weather records were set or tied worldwide on 20 October 1980. Highest significance: Mission 4 W, US.

Key Facts for 20 October 1980

On 20 October 1980, 350 weather records were set or tied at long-record stations worldwide.
102 were record highs and 139 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 14 monthly and 336 daily.
Mission 4 W set a daily record precipitation of 128.5 mm (5.1 in) on 20 October 1980.
Across 160 earlier years (1806 to 2025) the same calendar date averaged 458 records.

Record Map

350 stations

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

Weather records on 20 October 1980: highest significance records shown on the map
Station	Country	Type	Value	Significance
Mission 4 W	United States	Record daily precipitation	128.5 mm (5.1 in)	49 of 100 (Notable)
Palpan	Mexico	Record high maximum temperature	37.8 C (100.0 F)	47 of 100 (Notable)
Villa Ahumada	Mexico	Record low maximum temperature	11.7 C (53.1 F)	41 of 100 (Notable)
Sheffield	United Kingdom	Record low minimum temperature	0.1 C (32.2 F)	38 of 100 (Notable)
Roros	Norway	Record snow depth	24.0 cm (9.4 in)	37 of 100 (Notable)
Soderarm	Sweden	Record daily precipitation	31.0 mm (1.2 in)	37 of 100 (Notable)
Dorado 2 WNW	Puerto Rico [United States]	Record daily precipitation	44.5 mm (1.8 in)	35 of 100 (Notable)
Grandchester Symes St	Australia	Record daily precipitation	40.0 mm (1.6 in)	34 of 100 (Routine)
Lowestoft	United Kingdom	Record low minimum temperature	0.5 C (32.9 F)	34 of 100 (Routine)
Hillsboro	United States	Record low maximum temperature	14.4 C (57.9 F)	34 of 100 (Routine)
Qabala	Azerbaijan	Record daily precipitation	50.8 mm (2.0 in)	32 of 100 (Routine)
Giffard	Australia	Record daily precipitation	28.8 mm (1.1 in)	32 of 100 (Routine)
Buxton	United Kingdom	Record low minimum temperature	-2.1 C (28.2 F)	32 of 100 (Routine)
Palpan	Mexico	Record high minimum temperature	18.9 C (66.0 F)	31 of 100 (Routine)
Homestead Exp STN	United States	Record high maximum temperature	32.8 C (91.0 F)	31 of 100 (Routine)
Zugspitze	Germany	Record low maximum temperature	-8.9 C (16.0 F)	30 of 100 (Routine)
Brownsville	United States	Record low maximum temperature	18.3 C (64.9 F)	30 of 100 (Routine)
Boulia Airport	Australia	Record high minimum temperature	31.4 C (88.5 F)	29 of 100 (Routine)
San Juan del Rio (Smn)	Mexico	Record daily precipitation	26.2 mm (1.0 in)	29 of 100 (Routine)
Paisley	United Kingdom	Record low minimum temperature	-1.0 C (30.2 F)	29 of 100 (Routine)
Chiricahua Nm	United States	Record low maximum temperature	15.0 C (59.0 F)	29 of 100 (Routine)
Keams Canyon	United States	Record low minimum temperature	-6.1 C (21.0 F)	29 of 100 (Routine)
Luna Rs	United States	Record low minimum temperature	-10.0 C (14.0 F)	29 of 100 (Routine)
Mercedes 6 SSE	United States	Record low maximum temperature	21.1 C (70.0 F)	29 of 100 (Routine)
Hull	United Kingdom	Record low minimum temperature	-0.5 C (31.1 F)	28 of 100 (Routine)
Nueva Rosita	Mexico	Record high maximum temperature	38.9 C (102.0 F)	27 of 100 (Routine)
Las Comitas	Mexico	Record daily precipitation	33.3 mm (1.3 in)	27 of 100 (Routine)
Crowe's Place,Seven	South Africa	Record daily precipitation	25.0 mm (1.0 in)	27 of 100 (Routine)
Sveg	Sweden	Record snow depth	20.0 cm (7.9 in)	27 of 100 (Routine)
Ft Ross	United States	Record low minimum temperature	1.7 C (35.1 F)	27 of 100 (Routine)
Pompano Beach	United States	Record high maximum temperature	34.4 C (93.9 F)	27 of 100 (Routine)
McCook	United States	Record daily precipitation	48.5 mm (1.9 in)	27 of 100 (Routine)
Emerald Post Office	Australia	Record high maximum temperature	40.9 C (105.6 F)	26 of 100 (Routine)
Kalamare	Botswana	Record daily precipitation	30.0 mm (1.2 in)	26 of 100 (Routine)
Bradford	United Kingdom	Record low minimum temperature	-0.7 C (30.7 F)	26 of 100 (Routine)
Portland	United States	Record high minimum temperature	18.9 C (66.0 F)	26 of 100 (Routine)
Lake Alfred Exp STN	United States	Record high maximum temperature	33.3 C (91.9 F)	26 of 100 (Routine)
Kaneohe Mauka 781	United States	Record high minimum temperature	24.4 C (75.9 F)	26 of 100 (Routine)
Jolalpan	Mexico	Record high minimum temperature	20.6 C (69.1 F)	25 of 100 (Routine)
Panuco (Smn)	Mexico	Record low maximum temperature	16.7 C (62.1 F)	25 of 100 (Routine)
Klimpfjall	Sweden	Record snow depth	20.0 cm (7.9 in)	25 of 100 (Routine)
Moore Haven Lock 1	United States	Record high maximum temperature	33.9 C (93.0 F)	25 of 100 (Routine)
Port Dover	Canada	Record daily precipitation	25.0 mm (1.0 in)	24 of 100 (Routine)
Newton Rigg	United Kingdom	Record low minimum temperature	-2.8 C (27.0 F)	24 of 100 (Routine)
Garah (Ulinga)	Australia	Record daily precipitation	25.0 mm (1.0 in)	23 of 100 (Routine)
Malin Head	Ireland	Record low minimum temperature	1.9 C (35.4 F)	23 of 100 (Routine)
Loreto (Dge)	Mexico	Record low maximum temperature	26.7 C (80.1 F)	23 of 100 (Routine)
Myskelasen_D	Sweden	Record snow depth	26.0 cm (10.2 in)	23 of 100 (Routine)
Mackay Lost Rvr Rs	United States	Record low minimum temperature	-10.0 C (14.0 F)	23 of 100 (Routine)
Old Forge	United States	Record daily snowfall	8.9 cm (3.5 in)	23 of 100 (Routine)
Sorel	Canada	Record low maximum temperature	4.0 C (39.2 F)	22 of 100 (Routine)
Zugspitze	Germany	Record low minimum temperature	-14.8 C (5.4 F)	22 of 100 (Routine)
Loreto	Mexico	Record low maximum temperature	27.0 C (80.6 F)	22 of 100 (Routine)
Ulan-Ude	Russia	Record low maximum temperature	-8.2 C (17.2 F)	22 of 100 (Routine)
Raymondville	United States	Record daily precipitation	43.2 mm (1.7 in)	22 of 100 (Routine)
Saltillo (Dge)	Mexico	Record low maximum temperature	10.6 C (51.1 F)	21 of 100 (Routine)
El Tintero	Mexico	Record low maximum temperature	17.8 C (64.0 F)	21 of 100 (Routine)
Tequisistlan	Mexico	Record high maximum temperature	36.7 C (98.1 F)	21 of 100 (Routine)
Naco	Mexico	Record low minimum temperature	3.9 C (39.0 F)	21 of 100 (Routine)
Tiksi	Russia	Record daily precipitation	17.7 mm (0.7 in)	20 of 100 (Routine)

Counts by Type and Timescale

350 records

Records set or tied on 20 October 1980 by type: Highest daily maximum 45, Lowest daily maximum 71, Highest daily minimum 57, Lowest daily minimum 68, Heaviest daily rainfall 83, Heaviest daily snowfall 9, Deepest snow cover 17.

Records on 20 October 1980 by type
Record type	Records
Highest daily maximum	45
Lowest daily maximum	71
Highest daily minimum	57
Lowest daily minimum	68
Heaviest daily rainfall	83
Heaviest daily snowfall	9
Deepest snow cover	17

Records on 20 October 1980 by timescale: all-time 0, monthly 14, daily 336.

How Much Records Were Beaten By

277 broken records

Margins by which the 277 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 140.0. Ties are not counted.

Top 20 by Significance

20 October 1980

Top 20 records on 20 October 1980 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 October 1980	Mission 4 W, US	daily rain	128.5 mm (5.1 in)	123.7 mm (4.9 in)	8 years	49 of 100 (Notable)
20 October 1980	Palpan, MX	monthly high max	37.8 C (100.0 F)	3.9 C (7.0 F)	52 years	47 of 100 (Notable)
20 October 1980	Villa Ahumada, MX	daily low max	11.7 C (53.1 F)	8.9 C (16.0 F)	58 years	41 of 100 (Notable)
20 October 1980	Sheffield, GB	daily low min	0.1 C (32.2 F)	0.7 C (1.3 F)	91 years	38 of 100 (Notable)
20 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)
20 October 1980	Soderarm, SE	monthly rain	31.0 mm (1.2 in)	6.3 mm (0.25 in)	27 years	37 of 100 (Notable)
20 October 1980	Dorado 2 WNW, PR	daily rain	44.5 mm (1.8 in)	27.2 mm (1.1 in)	36 years	35 of 100 (Notable)
20 October 1980	Grandchester Symes St, AU	daily rain	40.0 mm (1.6 in)	8.5 mm (0.33 in)	67 years	34 of 100 (Routine)
20 October 1980	Lowestoft, GB	daily low min	0.5 C (32.9 F)	1.1 C (2.0 F)	75 years	34 of 100 (Routine)
20 October 1980	Hillsboro, US	daily low max	14.4 C (57.9 F)	2.3 C (4.1 F)	73 years	34 of 100 (Routine)
20 October 1980	Qabala, AZ	daily rain	50.8 mm (2.0 in)	22.8 mm (0.9 in)	29 years	32 of 100 (Routine)
20 October 1980	Giffard, AU	daily rain	28.8 mm (1.1 in)	11.8 mm (0.5 in)	30 years	32 of 100 (Routine)
20 October 1980	Buxton, GB	daily low min	-2.1 C (28.2 F)	2.1 C (3.8 F)	54 years	32 of 100 (Routine)
20 October 1980	Palpan, MX	daily high min	18.9 C (66.0 F)	2.2 C (4.0 F)	51 years	31 of 100 (Routine)
20 October 1980	Homestead Exp STN, US	daily high max	32.8 C (91.0 F)	0.6 C (1.1 F)	70 years	31 of 100 (Routine)
20 October 1980	Zugspitze, DE	daily low max	-8.9 C (16.0 F)	0.1 C (0.2 F)	75 years	30 of 100 (Routine)
20 October 1980	Brownsville, US	daily low max	18.3 C (64.9 F)	1.1 C (2.0 F)	64 years	30 of 100 (Routine)
20 October 1980	Boulia Airport, AU	monthly high min	31.4 C (88.5 F)	0.8 C (1.4 F)	31 years	29 of 100 (Routine)
20 October 1980	San Juan del Rio (Smn), MX	daily rain	26.2 mm (1.0 in)	13.8 mm (0.5 in)	50 years	29 of 100 (Routine)
20 October 1980	Paisley, GB	daily low min	-1.0 C (30.2 F)	1.6 C (2.9 F)	66 years	29 of 100 (Routine)

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

1806 to 1980

Records set or tied on this calendar date in each year from 1806 to 1980. 1980 had 350 records.

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

Records on 10-20 in each year
Year	Records
1806	1
1835	1
1844	1
1846	1
1847	2
1851	1
1852	1
1858	1
1863	2
1864	2
1866	3
1867	1
1868	2
1872	2
1874	2
1875	3
1876	2
1877	1
1878	1
1880	3
1881	2
1884	1
1885	1
1886	1
1887	1
1888	6
1891	4
1892	4
1893	1
1894	3
1895	4
1896	9
1897	2
1898	7
1899	1
1900	8
1901	7
1902	5
1903	9
1904	13
1905	22
1906	28
1907	32
1908	26
1909	17
1910	31
1911	16
1912	6
1913	38
1914	16
1915	20
1916	72
1917	201
1918	34
1919	19
1920	81
1921	68
1922	83
1923	96
1924	182
1925	247
1926	147
1927	283
1928	92
1929	129
1930	672
1931	125
1932	331
1933	675
1934	422
1935	390
1936	370
1937	189
1938	231
1939	367
1940	757
1941	459
1942	152
1943	501
1944	288
1945	363
1946	310
1947	1,494
1948	320
1949	1,084
1950	619
1951	279
1952	520
1953	1,057
1954	262
1955	529
1956	283
1957	440
1958	461
1959	451
1960	671
1961	479
1962	733
1963	765
1964	598
1965	340
1966	857
1967	511
1968	244
1969	607
1970	710
1971	606
1972	1,724
1973	878
1974	1,122
1975	587
1976	1,304
1977	467
1978	508
1979	1,647
1980	350
1981	1,083
1982	1,191
1983	944
1984	1,562
1985	835
1986	823
1987	590
1988	737
1989	2,092
1990	609
1991	971
1992	1,174
1993	1,238
1994	650
1995	703
1996	1,417
1997	949
1998	683
1999	603
2000	737
2001	589
2002	985
2003	1,761
2004	1,861
2005	1,092
2006	1,170
2007	923
2008	477
2009	786
2010	539
2011	785
2012	945
2013	592
2014	851
2015	523
2016	947
2017	602
2018	394
2019	744
2020	1,010
2021	900
2022	834
2023	1,468
2024	707
2025	326

Download the Data

Data for records on 1980-10-20: 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 20	257
20 to 40	13
40 to 60	2
60 to 80	2
80 to 100	1
100 to 120	0
120 to 140	2