Weather Records on 31 December 2021

1,739 weather records were set or tied worldwide on 31 December 2021. Highest significance: Hebgen Dam, US.

Key Facts for 31 December 2021

On 31 December 2021, 1,739 weather records were set or tied at long-record stations worldwide.
1,325 were record highs and 185 were record lows, counting maximum and minimum temperature.
By timescale, 3 were all-time records, 146 monthly and 1,590 daily.
Hebgen Dam set a daily record precipitation of 47.5 mm (1.9 in) on 31 December 2021.
Across 157 earlier years (1797 to 2025) the same calendar date averaged 479 records.

Record Map

1,739 stations

1,739 station records on 31 December 2021 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 31 December 2021: highest significance records shown on the map
Station	Country	Type	Value	Significance
Hebgen Dam	United States	Record daily precipitation	47.5 mm (1.9 in)	79 of 100 (Major)
Taylor Park	United States	Record daily snowfall	101.6 cm (40.0 in)	68 of 100 (Major)
Meeker	United States	Record daily snowfall	22.9 cm (9.0 in)	65 of 100 (Major)
Heppner	United States	Record daily snowfall	15.2 cm (6.0 in)	63 of 100 (Major)
Yushu	China	Record daily precipitation	39.9 mm (1.6 in)	57 of 100 (Notable)
Farnsworth Lake	United States	Record daily precipitation	48.3 mm (1.9 in)	55 of 100 (Notable)
Cove 1 E	United States	Record snow depth	30.5 cm (12.0 in)	54 of 100 (Notable)
Newnan 7 WNW	United States	Record daily precipitation	81.8 mm (3.2 in)	53 of 100 (Notable)
Spanish Fk Pwr House	United States	Record daily precipitation	30.0 mm (1.2 in)	53 of 100 (Notable)
Canjilon R/S	United States	Record daily snowfall	25.4 cm (10.0 in)	50 of 100 (Notable)
Columbine Pass	United States	Record daily precipitation	58.4 mm (2.3 in)	50 of 100 (Notable)
Col du Grand St-Bernard	Switzerland	Record high minimum temperature	2.6 C (36.7 F)	48 of 100 (Notable)
Park Reservoir	United States	Record daily precipitation	68.6 mm (2.7 in)	48 of 100 (Notable)
Dublin Phoenix Park	Ireland	Record high minimum temperature	11.7 C (53.1 F)	47 of 100 (Notable)
Gorlitz	Germany	Record high maximum temperature	14.3 C (57.7 F)	47 of 100 (Notable)
Kleve	Germany	Record high minimum temperature	11.8 C (53.2 F)	47 of 100 (Notable)
Stiege	Germany	Record high minimum temperature	9.5 C (49.1 F)	47 of 100 (Notable)
Union	United States	Record daily snowfall	6.4 cm (2.5 in)	47 of 100 (Notable)
Brocken	Germany	Record high minimum temperature	5.1 C (41.2 F)	46 of 100 (Notable)
Elk Rvr	United States	Record daily precipitation	142.0 mm (5.6 in)	46 of 100 (Notable)
Big Timber	United States	Record daily snowfall	10.2 cm (4.0 in)	46 of 100 (Notable)
Cove 1 E	United States	Record daily snowfall	23.9 cm (9.4 in)	46 of 100 (Notable)
Uccle	Belgium	Record high minimum temperature	11.5 C (52.7 F)	45 of 100 (Notable)
Putbus	Germany	Record high minimum temperature	7.8 C (46.0 F)	45 of 100 (Notable)
Oxford	United Kingdom	Record high minimum temperature	12.3 C (54.1 F)	45 of 100 (Notable)
Wanship Dam	United States	Record daily snowfall	24.9 cm (9.8 in)	45 of 100 (Notable)
Cottbus	Germany	Record high minimum temperature	11.4 C (52.5 F)	44 of 100 (Notable)
De Bilt	Netherlands	Record high minimum temperature	11.1 C (52.0 F)	44 of 100 (Notable)
La Palma/Aeropuerto	Spain	Record high maximum temperature	28.8 C (83.8 F)	44 of 100 (Notable)
Cet Central England	United Kingdom	Record high maximum temperature	14.5 C (58.1 F)	44 of 100 (Notable)
Durham	United Kingdom	Record high minimum temperature	11.0 C (51.8 F)	44 of 100 (Notable)
Hayden	United States	Record daily snowfall	25.4 cm (10.0 in)	44 of 100 (Notable)
Sewanee	United States	Record high minimum temperature	14.4 C (57.9 F)	44 of 100 (Notable)
Gail	United States	Record high minimum temperature	11.1 C (52.0 F)	44 of 100 (Notable)
Kremsmuenster	Austria	Record high minimum temperature	9.4 C (48.9 F)	43 of 100 (Notable)
Mersa Matruh	Egypt	Record low minimum temperature	1.2 C (34.2 F)	43 of 100 (Notable)
Dublin Phoenix Park	Ireland	Record high maximum temperature	15.0 C (59.0 F)	43 of 100 (Notable)
Schwerin	Germany	Record high maximum temperature	12.9 C (55.2 F)	43 of 100 (Notable)
Munchen-Nymphenburg	Germany	Record high maximum temperature	15.6 C (60.1 F)	43 of 100 (Notable)
Nurnberg	Germany	Record high minimum temperature	9.3 C (48.7 F)	43 of 100 (Notable)
Altastenberg	Germany	Record high maximum temperature	8.4 C (47.1 F)	43 of 100 (Notable)
Heinersreuth-Vollhof	Germany	Record high minimum temperature	9.4 C (48.9 F)	43 of 100 (Notable)
Bradford	United Kingdom	Record high maximum temperature	14.1 C (57.4 F)	43 of 100 (Notable)
Wisley	United Kingdom	Record high maximum temperature	15.2 C (59.4 F)	43 of 100 (Notable)
Wisley	United Kingdom	Record high minimum temperature	12.4 C (54.3 F)	43 of 100 (Notable)
Forks 1 E	United States	Record snow depth	10.2 cm (4.0 in)	43 of 100 (Notable)
Waimea Valley 892.2	United States	Record daily precipitation	110.7 mm (4.4 in)	43 of 100 (Notable)
Malin Head	Ireland	Record high minimum temperature	9.8 C (49.6 F)	42 of 100 (Notable)
Munchen-Nymphenburg	Germany	Record high minimum temperature	10.3 C (50.5 F)	42 of 100 (Notable)
Chemnitz	Germany	Record high maximum temperature	12.7 C (54.9 F)	42 of 100 (Notable)
Szombathely	Hungary	Record high maximum temperature	14.1 C (57.4 F)	42 of 100 (Notable)
Albemarle	United States	Record high minimum temperature	16.7 C (62.1 F)	42 of 100 (Notable)
Silver Lake Brighton	United States	Record daily snowfall	41.9 cm (16.5 in)	42 of 100 (Notable)
Chatham	United States	Record high minimum temperature	11.7 C (53.1 F)	42 of 100 (Notable)
Danville 2 SE	United States	Record high minimum temperature	11.7 C (53.1 F)	42 of 100 (Notable)
Brownsville	United States	Record high minimum temperature	22.2 C (72.0 F)	42 of 100 (Notable)
Malin Head	Ireland	Record high maximum temperature	14.9 C (58.8 F)	41 of 100 (Notable)
Col du Grand St-Bernard	Switzerland	Record high maximum temperature	7.3 C (45.1 F)	41 of 100 (Notable)
Armagh	United Kingdom	Record high minimum temperature	10.7 C (51.3 F)	41 of 100 (Notable)
Rocky Ford 2 SE	United States	Record high minimum temperature	2.8 C (37.0 F)	41 of 100 (Notable)

Counts by Type and Timescale

1,739 records

Records set or tied on 31 December 2021 by type: Highest daily maximum 648, Lowest daily maximum 99, Highest daily minimum 677, Lowest daily minimum 86, Heaviest daily rainfall 153, Heaviest daily snowfall 43, Deepest snow cover 33.

Records on 31 December 2021 by type
Record type	Records
Highest daily maximum	648
Lowest daily maximum	99
Highest daily minimum	677
Lowest daily minimum	86
Heaviest daily rainfall	153
Heaviest daily snowfall	43
Deepest snow cover	33

Records on 31 December 2021 by timescale: all-time 3, monthly 146, daily 1,590.

How Much Records Were Beaten By

1,533 broken records

Margins by which the 1,533 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 406.0. Ties are not counted.

Top 20 by Significance

31 December 2021

Top 20 records on 31 December 2021 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
31 December 2021	Hebgen Dam, US	daily rain	47.5 mm (1.9 in)	32.3 mm (1.3 in)	99 years	79 of 100 (Major)
31 December 2021	Taylor Park, US	all-time snowfall	101.6 cm (40.0 in)	40.6 cm (16.0 in)	2 years	68 of 100 (Major)
31 December 2021	Meeker, US	daily snowfall	22.9 cm (9.0 in)	12.7 cm (5.0 in)	111 years	65 of 100 (Major)
31 December 2021	Heppner, US	daily snowfall	15.2 cm (6.0 in)	10.1 cm (4.0 in)	94 years	63 of 100 (Major)
31 December 2021	Yushu, CN	monthly rain	39.9 mm (1.6 in)	19.8 mm (0.8 in)	0 years	57 of 100 (Notable)
31 December 2021	Farnsworth Lake, US	daily rain	48.3 mm (1.9 in)	33.1 mm (1.3 in)	38 years	55 of 100 (Notable)
31 December 2021	Cove 1 E, US	daily snow depth	30.5 cm (12.0 in)	10.2 cm (4.0 in)	94 years	54 of 100 (Notable)
31 December 2021	Newnan 7 WNW, US	daily rain	81.8 mm (3.2 in)	43.7 mm (1.7 in)	48 years	53 of 100 (Notable)
31 December 2021	Spanish Fk Pwr House, US	daily rain	30.0 mm (1.2 in)	16.3 mm (0.6 in)	62 years	53 of 100 (Notable)
31 December 2021	Canjilon R/S, US	daily snowfall	25.4 cm (10.0 in)	15.2 cm (6.0 in)	52 years	50 of 100 (Notable)
31 December 2021	Columbine Pass, US	daily rain	58.4 mm (2.3 in)	53.3 mm (2.1 in)	26 years	50 of 100 (Notable)
31 December 2021	Col du Grand St-Bernard, CH	daily high min	2.6 C (36.7 F)	4.0 C (7.2 F)	142 years	48 of 100 (Notable)
31 December 2021	Park Reservoir, US	daily rain	68.6 mm (2.7 in)	38.1 mm (1.5 in)	40 years	48 of 100 (Notable)
31 December 2021	Dublin Phoenix Park, IE	daily high min	11.7 C (53.1 F)	2.3 C (4.1 F)	104 years	47 of 100 (Notable)
31 December 2021	Gorlitz, DE	daily high max	14.3 C (57.7 F)	3.4 C (6.1 F)	120 years	47 of 100 (Notable)
31 December 2021	Kleve, DE	daily high min	11.8 C (53.2 F)	4.1 C (7.4 F)	96 years	47 of 100 (Notable)
31 December 2021	Stiege, DE	monthly high min	9.5 C (49.1 F)	1.2 C (2.2 F)	87 years	47 of 100 (Notable)
31 December 2021	Union, US	daily snowfall	6.4 cm (2.5 in)	2.6 cm (1.0 in)	98 years	47 of 100 (Notable)
31 December 2021	Brocken, DE	daily high min	5.1 C (41.2 F)	2.6 C (4.7 F)	120 years	46 of 100 (Notable)
31 December 2021	Elk Rvr, US	all-time rain	142.0 mm (5.6 in)	17.3 mm (0.7 in)	10 years	46 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 2021

Records set or tied on this calendar date in each year from 1797 to 2021. 2021 had 1,739 records.

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

Records on 12-31 in each year
Year	Records
1797	1
1799	2
1826	1
1836	1
1842	2
1850	3
1853	1
1854	1
1859	1
1860	1
1867	1
1870	2
1872	2
1874	4
1875	2
1876	2
1878	2
1879	2
1880	2
1882	1
1884	2
1885	1
1886	3
1887	1
1888	2
1890	2
1891	8
1892	4
1895	4
1897	6
1898	5
1899	4
1900	3
1901	16
1902	3
1903	3
1904	11
1905	9
1906	31
1907	11
1908	7
1909	5
1910	25
1911	14
1912	17
1913	46
1914	34
1915	32
1916	25
1917	239
1918	24
1919	38
1920	64
1921	130
1922	83
1923	280
1924	113
1925	183
1926	77
1927	491
1928	53
1929	224
1930	58
1931	543
1932	394
1933	409
1934	181
1935	309
1936	567
1937	500
1938	247
1939	298
1940	467
1941	159
1942	352
1943	159
1944	259
1945	210
1946	707
1947	461
1948	591
1949	384
1950	310
1951	1,421
1952	377
1953	410
1954	286
1955	429
1956	216
1957	724
1958	584
1959	414
1960	389
1961	309
1962	810
1963	1,015
1964	388
1965	1,371
1966	326
1967	1,023
1968	1,371
1969	825
1970	579
1971	568
1972	836
1973	1,370
1974	590
1975	791
1976	1,306
1977	641
1978	2,791
1979	448
1980	1,448
1981	786
1982	639
1983	2,220
1984	942
1985	593
1986	616
1987	845
1988	600
1989	506
1990	1,379
1991	703
1992	1,062
1993	718
1994	878
1995	1,151
1996	2,202
1997	988
1998	739
1999	524
2000	1,575
2001	748
2002	1,232
2003	523
2004	1,278
2005	959
2006	2,089
2007	652
2008	656
2009	867
2010	1,544
2011	739
2012	803
2013	606
2014	903
2015	748
2016	678
2017	1,589
2018	620
2019	593
2020	489
2021	1,739
2022	1,497
2023	474
2024	460
2025	760

Download the Data

Data for records on 2021-12-31: 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 100	1,518
100 to 200	12
200 to 300	2
300 to 400	0
400 to 500	1