Weather Records on 20 October 2021

900 weather records were set or tied worldwide on 20 October 2021. Highest significance: Ljungby, SE.

Key Facts for 20 October 2021

On 20 October 2021, 900 weather records were set or tied at long-record stations worldwide.
334 were record highs and 88 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 22 monthly and 877 daily.
Ljungby set a monthly record daily precipitation of 56.1 mm (2.2 in) on 20 October 2021.
Across 160 earlier years (1806 to 2025) the same calendar date averaged 454 records.

Record Map

900 stations

900 station records on 20 October 2021 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 October 2021: highest significance records shown on the map
Station	Country	Type	Value	Significance
Ljungby	Sweden	Record daily precipitation	56.1 mm (2.2 in)	78 of 100 (Major)
Goychay	Azerbaijan	Record daily precipitation	99.3 mm (3.9 in)	69 of 100 (Major)
Heeg	Netherlands	Record daily precipitation	59.2 mm (2.3 in)	63 of 100 (Major)
Haparanda	Sweden	Record daily precipitation	27.9 mm (1.1 in)	61 of 100 (Major)
List/Sylt	Germany	Record daily precipitation	39.3 mm (1.5 in)	58 of 100 (Notable)
Sibu	Malaysia	Record daily precipitation	113.3 mm (4.5 in)	56 of 100 (Notable)
Zandvoort	Netherlands	Record daily precipitation	37.6 mm (1.5 in)	56 of 100 (Notable)
Artichoke Lake 1 E	United States	Record daily precipitation	57.7 mm (2.3 in)	56 of 100 (Notable)
Canton	United States	Record daily precipitation	27.4 mm (1.1 in)	54 of 100 (Notable)
Harrison	United States	Record daily snowfall	8.9 cm (3.5 in)	53 of 100 (Notable)
Pakri	Estonia	Record daily precipitation	26.7 mm (1.1 in)	52 of 100 (Notable)
Makkum	Netherlands	Record daily precipitation	31.2 mm (1.2 in)	52 of 100 (Notable)
Sioux Ctr 2 SE	United States	Record daily precipitation	33.5 mm (1.3 in)	52 of 100 (Notable)
Anna Paulowna	Netherlands	Record daily precipitation	36.6 mm (1.4 in)	51 of 100 (Notable)
Castricum	Netherlands	Record daily precipitation	54.1 mm (2.1 in)	50 of 100 (Notable)
Eernewoude	Netherlands	Record daily precipitation	32.4 mm (1.3 in)	50 of 100 (Notable)
Schagen	Netherlands	Record daily precipitation	38.6 mm (1.5 in)	50 of 100 (Notable)
Nijbeets	Netherlands	Record daily precipitation	44.7 mm (1.8 in)	48 of 100 (Notable)
Hoogwoud	Netherlands	Record daily precipitation	43.5 mm (1.7 in)	48 of 100 (Notable)
Den Helder-1	Netherlands	Record daily precipitation	40.3 mm (1.6 in)	48 of 100 (Notable)
Milan 1NW	United States	Record daily precipitation	38.1 mm (1.5 in)	48 of 100 (Notable)
St. Anna Parochie	Netherlands	Record daily precipitation	34.6 mm (1.4 in)	47 of 100 (Notable)
Marken	Netherlands	Record daily precipitation	67.8 mm (2.7 in)	47 of 100 (Notable)
Overveen	Netherlands	Record daily precipitation	48.0 mm (1.9 in)	47 of 100 (Notable)
Pearce Raaf	Australia	Record daily precipitation	29.2 mm (1.1 in)	46 of 100 (Notable)
Hoorn	Netherlands	Record daily precipitation	37.0 mm (1.5 in)	46 of 100 (Notable)
Stavoren_1	Netherlands	Record daily precipitation	31.8 mm (1.3 in)	46 of 100 (Notable)
East London	South Africa	Record daily precipitation	71.9 mm (2.8 in)	46 of 100 (Notable)
Uppsala_Aut	Sweden	Record high maximum temperature	15.3 C (59.5 F)	46 of 100 (Notable)
Northam	Australia	Record daily precipitation	30.0 mm (1.2 in)	45 of 100 (Notable)
Bodalla Post Office	Australia	Record daily precipitation	49.6 mm (2.0 in)	45 of 100 (Notable)
Greifswald	Germany	Record high minimum temperature	14.2 C (57.6 F)	45 of 100 (Notable)
Putbus	Germany	Record high minimum temperature	13.6 C (56.5 F)	45 of 100 (Notable)
Medemblik	Netherlands	Record daily precipitation	36.8 mm (1.4 in)	45 of 100 (Notable)
Heemstede	Netherlands	Record daily precipitation	36.1 mm (1.4 in)	45 of 100 (Notable)
Norddal	Norway	Record daily precipitation	41.6 mm (1.6 in)	45 of 100 (Notable)
Wrixum/Fohr	Germany	Record daily precipitation	35.0 mm (1.4 in)	44 of 100 (Notable)
Den Burg	Netherlands	Record daily precipitation	37.8 mm (1.5 in)	43 of 100 (Notable)
Denekamp	Netherlands	Record daily precipitation	32.8 mm (1.3 in)	43 of 100 (Notable)
Sneek	Netherlands	Record daily precipitation	47.0 mm (1.9 in)	43 of 100 (Notable)
Qu Xian	China	Record daily precipitation	48.0 mm (1.9 in)	42 of 100 (Notable)
Mukteshwar Kumaon	India	Record daily precipitation	87.1 mm (3.4 in)	42 of 100 (Notable)
Den Oever	Netherlands	Record daily precipitation	34.8 mm (1.4 in)	42 of 100 (Notable)
Skrins	Netherlands	Record daily precipitation	31.5 mm (1.2 in)	42 of 100 (Notable)
Hornindal	Norway	Record daily precipitation	51.3 mm (2.0 in)	42 of 100 (Notable)
Cimarron 4 SW	United States	Record low minimum temperature	-10.6 C (12.9 F)	42 of 100 (Notable)
Mundaring	Australia	Record daily precipitation	41.4 mm (1.6 in)	41 of 100 (Notable)
Tallinn	Estonia	Record daily precipitation	25.9 mm (1.0 in)	41 of 100 (Notable)
Kaiserslautern	Germany	Record daily precipitation	25.7 mm (1.0 in)	41 of 100 (Notable)
Schwerin	Germany	Record high minimum temperature	12.6 C (54.7 F)	41 of 100 (Notable)
Berlin-Dahlem	Germany	Record high minimum temperature	12.8 C (55.0 F)	41 of 100 (Notable)
Gorlitz	Germany	Record high minimum temperature	12.3 C (54.1 F)	41 of 100 (Notable)
De Cocksdorps	Netherlands	Record daily precipitation	34.6 mm (1.4 in)	41 of 100 (Notable)
Dokkum	Netherlands	Record daily precipitation	35.3 mm (1.4 in)	41 of 100 (Notable)
Edam	Netherlands	Record daily precipitation	43.0 mm (1.7 in)	41 of 100 (Notable)
Obdam	Netherlands	Record daily precipitation	38.2 mm (1.5 in)	41 of 100 (Notable)
Wijk_Aan_Zee_1	Netherlands	Record daily precipitation	45.3 mm (1.8 in)	41 of 100 (Notable)
Downieville	United States	Record high minimum temperature	8.3 C (46.9 F)	41 of 100 (Notable)
Rangely 1E	United States	Record low maximum temperature	5.6 C (42.1 F)	41 of 100 (Notable)
Marnitz	Germany	Record high minimum temperature	12.8 C (55.0 F)	40 of 100 (Notable)

Counts by Type and Timescale

900 records

Records set or tied on 20 October 2021 by type: Highest daily maximum 152, Lowest daily maximum 45, Highest daily minimum 182, Lowest daily minimum 43, Heaviest daily rainfall 462, Heaviest daily snowfall 10, Deepest snow cover 6.

Records on 20 October 2021 by type
Record type	Records
Highest daily maximum	152
Lowest daily maximum	45
Highest daily minimum	182
Lowest daily minimum	43
Heaviest daily rainfall	462
Heaviest daily snowfall	10
Deepest snow cover	6

Records on 20 October 2021 by timescale: all-time 1, monthly 22, daily 877.

How Much Records Were Beaten By

826 broken records

Margins by which the 826 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 127.0. Ties are not counted.

Top 20 by Significance

20 October 2021

Top 20 records on 20 October 2021 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 October 2021	Ljungby, SE	monthly rain	56.1 mm (2.2 in)	16.1 mm (0.6 in)	95 years	78 of 100 (Major)
20 October 2021	Goychay, AZ	daily rain	99.3 mm (3.9 in)	78.4 mm (3.1 in)	70 years	69 of 100 (Major)
20 October 2021	Heeg, NL	monthly rain	59.2 mm (2.3 in)	16.2 mm (0.6 in)	57 years	63 of 100 (Major)
20 October 2021	Haparanda, SE	daily rain	27.9 mm (1.1 in)	11.0 mm (0.4 in)	112 years	61 of 100 (Major)
20 October 2021	List/Sylt, DE	daily rain	39.3 mm (1.5 in)	20.6 mm (0.8 in)	35 years	58 of 100 (Notable)
20 October 2021	Sibu, MY	daily rain	113.3 mm (4.5 in)	73.4 mm (2.9 in)	38 years	56 of 100 (Notable)
20 October 2021	Zandvoort, NL	daily rain	37.6 mm (1.5 in)	13.4 mm (0.5 in)	88 years	56 of 100 (Notable)
20 October 2021	Artichoke Lake 1 E, US	daily rain	57.7 mm (2.3 in)	27.2 mm (1.1 in)	58 years	56 of 100 (Notable)
20 October 2021	Canton, US	daily rain	27.4 mm (1.1 in)	13.9 mm (0.5 in)	112 years	54 of 100 (Notable)
20 October 2021	Harrison, US	daily snowfall	8.9 cm (3.5 in)	8.9 cm (3.5 in)	107 years	53 of 100 (Notable)
20 October 2021	Pakri, EE	daily rain	26.7 mm (1.1 in)	11.3 mm (0.4 in)	56 years	52 of 100 (Notable)
20 October 2021	Makkum, NL	daily rain	31.2 mm (1.2 in)	16.5 mm (0.6 in)	48 years	52 of 100 (Notable)
20 October 2021	Sioux Ctr 2 SE, US	daily rain	33.5 mm (1.3 in)	17.0 mm (0.7 in)	87 years	52 of 100 (Notable)
20 October 2021	Anna Paulowna, NL	daily rain	36.6 mm (1.4 in)	19.4 mm (0.8 in)	40 years	51 of 100 (Notable)
20 October 2021	Castricum, NL	daily rain	54.1 mm (2.1 in)	28.1 mm (1.1 in)	4 years	50 of 100 (Notable)
20 October 2021	Eernewoude, NL	daily rain	32.4 mm (1.3 in)	16.8 mm (0.7 in)	35 years	50 of 100 (Notable)
20 October 2021	Schagen, NL	daily rain	38.6 mm (1.5 in)	22.0 mm (0.9 in)	24 years	50 of 100 (Notable)
20 October 2021	Nijbeets, NL	monthly rain	44.7 mm (1.8 in)	6.7 mm (0.26 in)	60 years	48 of 100 (Notable)
20 October 2021	Hoogwoud, NL	daily rain	43.5 mm (1.7 in)	27.8 mm (1.1 in)	4 years	48 of 100 (Notable)
20 October 2021	Den Helder-1, NL	daily rain	40.3 mm (1.6 in)	15.4 mm (0.6 in)	40 years	48 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

1806 to 2021

Records set or tied on this calendar date in each year from 1806 to 2021. 2021 had 900 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 2021-10-20: 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	799
20 to 40	13
40 to 60	6
60 to 80	6
80 to 100	1
100 to 120	0
120 to 140	1