Weather Records on 21 October 2020

1,135 weather records were set or tied worldwide on 21 October 2020. Highest significance: Lake City, US.

Key Facts for 21 October 2020

On 21 October 2020, 1,135 weather records were set or tied at long-record stations worldwide.
375 were record highs and 256 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 91 monthly and 1,043 daily.
Lake City set a monthly record daily snowfall of 17.8 cm (7.0 in) on 21 October 2020.
Across 167 earlier years (1795 to 2025) the same calendar date averaged 416 records.

Record Map

1,135 stations

1,135 station records on 21 October 2020 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 October 2020: highest significance records shown on the map
Station	Country	Type	Value	Significance
Lake City	United States	Record daily snowfall	17.8 cm (7.0 in)	85 of 100 (Exceptional)
Canby	United States	Record daily snowfall	17.8 cm (7.0 in)	76 of 100 (Major)
Onida 4 NW	United States	Record snow depth	30.5 cm (12.0 in)	75 of 100 (Major)
Canby	United States	Record snow depth	17.8 cm (7.0 in)	70 of 100 (Major)
Mc Leod 3 E	United States	Record daily snowfall	10.2 cm (4.0 in)	70 of 100 (Major)
River Falls	United States	Record daily snowfall	20.3 cm (8.0 in)	68 of 100 (Major)
Tracy	United States	Record daily snowfall	14.0 cm (5.5 in)	67 of 100 (Major)
Hastings Dam 2	United States	Record daily snowfall	15.2 cm (6.0 in)	66 of 100 (Major)
Hartford City 4 ESE	United States	Record daily precipitation	57.2 mm (2.3 in)	65 of 100 (Major)
Flandreau	United States	Record daily snowfall	11.4 cm (4.5 in)	65 of 100 (Major)
Summit 1 W	United States	Record snow depth	17.8 cm (7.0 in)	65 of 100 (Major)
Stavanger - Valand	Norway	Record daily precipitation	50.2 mm (2.0 in)	63 of 100 (Major)
Forman 5 SSE	United States	Record daily snowfall	10.2 cm (4.0 in)	63 of 100 (Major)
Ellsworth 1E	United States	Record daily snowfall	20.3 cm (8.0 in)	63 of 100 (Major)
Oberlin	United States	Record daily precipitation	50.5 mm (2.0 in)	62 of 100 (Major)
Jordan 1SSW	United States	Record daily snowfall	16.3 cm (6.4 in)	60 of 100 (Major)
Montevideo 1SW	United States	Record daily snowfall	7.9 cm (3.1 in)	60 of 100 (Major)
Choteau	United States	Record snow depth	30.5 cm (12.0 in)	60 of 100 (Major)
Itasca UNIV of Minn	United States	Record daily snowfall	7.6 cm (3.0 in)	59 of 100 (Notable)
Conrad	United States	Record snow depth	12.7 cm (5.0 in)	59 of 100 (Notable)
Simpson 6 N - Wildhorse	United States	Record daily snowfall	16.5 cm (6.5 in)	59 of 100 (Notable)
Durand	United States	Record daily snowfall	17.8 cm (7.0 in)	59 of 100 (Notable)
Pipestone	United States	Record daily snowfall	6.4 cm (2.5 in)	58 of 100 (Notable)
Waskish 4NE	United States	Record daily snowfall	7.6 cm (3.0 in)	58 of 100 (Notable)
Durand	United States	Record snow depth	17.8 cm (7.0 in)	58 of 100 (Notable)
Minneapolis-St Paul Intl AP	United States	Record snow depth	18.0 cm (7.1 in)	57 of 100 (Notable)
Paris Stp	United States	Record daily precipitation	87.9 mm (3.5 in)	56 of 100 (Notable)
Lake City	United States	Record snow depth	15.2 cm (6.0 in)	56 of 100 (Notable)
St Peter	United States	Record daily snowfall	13.2 cm (5.2 in)	56 of 100 (Notable)
Britton	United States	Record daily snowfall	8.9 cm (3.5 in)	56 of 100 (Notable)
Geneseo	United States	Record daily precipitation	44.7 mm (1.8 in)	55 of 100 (Notable)
Faribault	United States	Record daily snowfall	7.6 cm (3.0 in)	55 of 100 (Notable)
Cass Lake	United States	Record daily snowfall	10.2 cm (4.0 in)	54 of 100 (Notable)
Ellsworth 1E	United States	Record snow depth	20.3 cm (8.0 in)	53 of 100 (Notable)
Cleveland	United States	Record daily precipitation	64.8 mm (2.6 in)	53 of 100 (Notable)
Farmland 5 NNW	United States	Record daily precipitation	46.7 mm (1.8 in)	52 of 100 (Notable)
Madison Wwtp	United States	Record daily snowfall	10.2 cm (4.0 in)	52 of 100 (Notable)
Willow City	United States	Record daily snowfall	7.6 cm (3.0 in)	52 of 100 (Notable)
De Smet	United States	Record snow depth	12.7 cm (5.0 in)	52 of 100 (Notable)
Bowling Green Wwtp	United States	Record daily precipitation	49.5 mm (1.9 in)	51 of 100 (Notable)
Mc Laughlin 2SW	United States	Record daily snowfall	10.2 cm (4.0 in)	51 of 100 (Notable)
Beartooth Lake	United States	Record daily precipitation	30.5 mm (1.2 in)	51 of 100 (Notable)
Glasgow	United States	Record daily snowfall	15.2 cm (6.0 in)	51 of 100 (Notable)
Mattoon	United States	Record daily precipitation	90.7 mm (3.6 in)	50 of 100 (Notable)
Decatur 1 N	United States	Record daily precipitation	77.5 mm (3.1 in)	50 of 100 (Notable)
Hallock	United States	Record daily snowfall	7.6 cm (3.0 in)	50 of 100 (Notable)
Windom	United States	Record daily snowfall	5.6 cm (2.2 in)	50 of 100 (Notable)
Holcombe	United States	Record daily snowfall	10.2 cm (4.0 in)	50 of 100 (Notable)
Honolulu Intl AP	United States	Record daily precipitation	57.4 mm (2.3 in)	50 of 100 (Notable)
Breeza (the Park)	Australia	Record daily precipitation	43.0 mm (1.7 in)	49 of 100 (Notable)
Grand Rapids Forestry Lab	United States	Record snow depth	12.7 cm (5.0 in)	49 of 100 (Notable)
Lisbon	United States	Record daily snowfall	9.1 cm (3.6 in)	49 of 100 (Notable)
Kenton	United States	Record daily precipitation	35.3 mm (1.4 in)	49 of 100 (Notable)
River Falls	United States	Record snow depth	15.2 cm (6.0 in)	49 of 100 (Notable)
Heraklion	Greece	Record daily precipitation	114.6 mm (4.5 in)	48 of 100 (Notable)
Berne Wwtp	United States	Record daily precipitation	39.6 mm (1.6 in)	48 of 100 (Notable)
Delano	United States	Record daily snowfall	14.0 cm (5.5 in)	48 of 100 (Notable)
Hastings Dam 2	United States	Record snow depth	15.2 cm (6.0 in)	48 of 100 (Notable)
Conrad	United States	Record daily snowfall	5.1 cm (2.0 in)	48 of 100 (Notable)
Kennebec	United States	Record daily snowfall	8.9 cm (3.5 in)	48 of 100 (Notable)

Counts by Type and Timescale

1,135 records

Records set or tied on 21 October 2020 by type: Highest daily maximum 147, Lowest daily maximum 189, Highest daily minimum 228, Lowest daily minimum 67, Heaviest daily rainfall 188, Heaviest daily snowfall 148, Deepest snow cover 168.

Records on 21 October 2020 by type
Record type	Records
Highest daily maximum	147
Lowest daily maximum	189
Highest daily minimum	228
Lowest daily minimum	67
Heaviest daily rainfall	188
Heaviest daily snowfall	148
Deepest snow cover	168

Records on 21 October 2020 by timescale: all-time 1, monthly 91, daily 1,043.

How Much Records Were Beaten By

929 broken records

Margins by which the 929 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 203.0. Ties are not counted.

Top 20 by Significance

21 October 2020

Top 20 records on 21 October 2020 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 October 2020	Lake City, US	monthly snowfall	17.8 cm (7.0 in)	17.8 cm (7.0 in)	121 years	85 of 100 (Exceptional)
21 October 2020	Canby, US	monthly snowfall	17.8 cm (7.0 in)	7.6 cm (3.0 in)	100 years	76 of 100 (Major)
21 October 2020	Onida 4 NW, US	monthly snow depth	30.5 cm (12.0 in)	12.7 cm (5.0 in)	90 years	75 of 100 (Major)
21 October 2020	Canby, US	monthly snow depth	17.8 cm (7.0 in)	7.6 cm (3.0 in)	61 years	70 of 100 (Major)
21 October 2020	Mc Leod 3 E, US	daily snowfall	10.2 cm (4.0 in)	10.2 cm (4.0 in)	108 years	70 of 100 (Major)
21 October 2020	River Falls, US	monthly snowfall	20.3 cm (8.0 in)	10.1 cm (4.0 in)	28 years	68 of 100 (Major)
21 October 2020	Tracy, US	daily snowfall	14.0 cm (5.5 in)	11.5 cm (4.5 in)	84 years	67 of 100 (Major)
21 October 2020	Hastings Dam 2, US	monthly snowfall	15.2 cm (6.0 in)	10.1 cm (4.0 in)	87 years	66 of 100 (Major)
21 October 2020	Hartford City 4 ESE, US	daily rain	57.2 mm (2.3 in)	35.6 mm (1.4 in)	71 years	65 of 100 (Major)
21 October 2020	Flandreau, US	daily snowfall	11.4 cm (4.5 in)	10.1 cm (4.0 in)	110 years	65 of 100 (Major)
21 October 2020	Summit 1 W, US	daily snow depth	17.8 cm (7.0 in)	17.8 cm (7.0 in)	64 years	65 of 100 (Major)
21 October 2020	Stavanger - Valand, NO	daily rain	50.2 mm (2.0 in)	29.9 mm (1.2 in)	57 years	63 of 100 (Major)
21 October 2020	Forman 5 SSE, US	daily snowfall	10.2 cm (4.0 in)	10.2 cm (4.0 in)	126 years	63 of 100 (Major)
21 October 2020	Ellsworth 1E, US	monthly snowfall	20.3 cm (8.0 in)	12.7 cm (5.0 in)	61 years	63 of 100 (Major)
21 October 2020	Oberlin, US	daily rain	50.5 mm (2.0 in)	19.8 mm (0.8 in)	121 years	62 of 100 (Major)
21 October 2020	Jordan 1SSW, US	daily snowfall	16.3 cm (6.4 in)	16.3 cm (6.4 in)	72 years	60 of 100 (Major)
21 October 2020	Montevideo 1SW, US	daily snowfall	7.9 cm (3.1 in)	7.9 cm (3.1 in)	126 years	60 of 100 (Major)
21 October 2020	Choteau, US	daily snow depth	30.5 cm (12.0 in)	20.3 cm (8.0 in)	59 years	60 of 100 (Major)
21 October 2020	Itasca UNIV of Minn, US	daily snowfall	7.6 cm (3.0 in)	7.6 cm (3.0 in)	109 years	59 of 100 (Notable)
21 October 2020	Conrad, US	daily snow depth	12.7 cm (5.0 in)	12.7 cm (5.0 in)	109 years	59 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 2020

Records set or tied on this calendar date in each year from 1795 to 2020. 2020 had 1,135 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 2020-10-21: 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 2026-10-14 (14 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-13. Last revised 13 October 2026 (2026-10-13).

Margin	Records
0 to 50	774
50 to 100	109
100 to 150	36
150 to 200	8
200 to 250	2