Weather Records on 31 December 2020

489 weather records were set or tied worldwide on 31 December 2020. Highest significance: Chisos Basin, US.

Key Facts for 31 December 2020

On 31 December 2020, 489 weather records were set or tied at long-record stations worldwide.
119 were record highs and 69 were record lows, counting maximum and minimum temperature.
By timescale, 14 were all-time records, 21 monthly and 454 daily.
Chisos Basin set an all-time record daily snowfall of 61.0 cm (24.0 in) on 31 December 2020.
Across 157 earlier years (1797 to 2025) the same calendar date averaged 487 records.

Record Map

489 stations

489 station records on 31 December 2020 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 31 December 2020: highest significance records shown on the map
Station	Country	Type	Value	Significance
Chisos Basin	United States	Record daily snowfall	61.0 cm (24.0 in)	77 of 100 (Major)
Chisos Basin	United States	Record snow depth	50.8 cm (20.0 in)	72 of 100 (Major)
Lajitas	United States	Record daily snowfall	22.9 cm (9.0 in)	70 of 100 (Major)
Deeside	Australia	Record daily precipitation	39.8 mm (1.6 in)	68 of 100 (Major)
Conroe	United States	Record daily precipitation	117.9 mm (4.6 in)	65 of 100 (Major)
Ft Stockton	United States	Record daily snowfall	20.3 cm (8.0 in)	60 of 100 (Major)
Junction Kimble Co AP	United States	Record daily precipitation	50.3 mm (2.0 in)	60 of 100 (Major)
Potlatch 3 NNE	United States	Record daily snowfall	22.9 cm (9.0 in)	59 of 100 (Notable)
Borovici	Russia	Record daily precipitation	30.0 mm (1.2 in)	58 of 100 (Notable)
Gail	United States	Record snow depth	20.3 cm (8.0 in)	56 of 100 (Notable)
Sherman	United States	Record daily precipitation	76.2 mm (3.0 in)	56 of 100 (Notable)
Huntsville	United States	Record daily precipitation	70.6 mm (2.8 in)	55 of 100 (Notable)
Lajitas	United States	Record snow depth	22.9 cm (9.0 in)	55 of 100 (Notable)
Raleigh State UNIV	United States	Record daily precipitation	76.7 mm (3.0 in)	54 of 100 (Notable)
Des Arc	United States	Record daily precipitation	67.1 mm (2.6 in)	52 of 100 (Notable)
Sandpoint Exp STN	United States	Record daily snowfall	33.0 cm (13.0 in)	52 of 100 (Notable)
El Campo	United States	Record daily precipitation	134.6 mm (5.3 in)	52 of 100 (Notable)
Frankland Vineyards	Australia	Record daily precipitation	30.6 mm (1.2 in)	51 of 100 (Notable)
Chimoio	Mozambique	Record daily precipitation	127.0 mm (5.0 in)	51 of 100 (Notable)
Palacios Muni AP	United States	Record daily precipitation	91.4 mm (3.6 in)	51 of 100 (Notable)
Texarkana Webb Fld	United States	Record daily precipitation	73.2 mm (2.9 in)	51 of 100 (Notable)
Portland	United States	Record daily precipitation	118.1 mm (4.6 in)	50 of 100 (Notable)
Plain Dealing	United States	Record daily precipitation	61.2 mm (2.4 in)	50 of 100 (Notable)
McCamey	United States	Record daily snowfall	17.8 cm (7.0 in)	50 of 100 (Notable)
Tyler Pounds Fld	United States	Record daily precipitation	49.3 mm (1.9 in)	50 of 100 (Notable)
Primda	Czech Republic	Record daily precipitation	80.0 mm (3.1 in)	49 of 100 (Notable)
Woodgate Store	Australia	Record daily precipitation	78.0 mm (3.1 in)	48 of 100 (Notable)
Arkadelphia 2 N	United States	Record daily precipitation	46.2 mm (1.8 in)	48 of 100 (Notable)
Rohwer 2 NNE	United States	Record daily precipitation	108.2 mm (4.3 in)	48 of 100 (Notable)
Persimmon Gap	United States	Record daily snowfall	15.2 cm (6.0 in)	48 of 100 (Notable)
Shreveport	United States	Record daily precipitation	95.3 mm (3.8 in)	48 of 100 (Notable)
Sandy Cape Lighthouse	Australia	Record daily precipitation	61.8 mm (2.4 in)	47 of 100 (Notable)
Krambach Post Office	Australia	Record daily precipitation	44.5 mm (1.8 in)	47 of 100 (Notable)
Austin Bergstrom Intl AP	United States	Record daily precipitation	56.6 mm (2.2 in)	47 of 100 (Notable)
Pardelup	Australia	Record daily precipitation	26.0 mm (1.0 in)	46 of 100 (Notable)
Bolivar Wtr Wks	United States	Record daily precipitation	54.6 mm (2.1 in)	46 of 100 (Notable)
Danevang 1 W	United States	Record daily precipitation	108.2 mm (4.3 in)	46 of 100 (Notable)
Ft Stockton	United States	Record snow depth	20.3 cm (8.0 in)	46 of 100 (Notable)
McKinney Muni AP	United States	Record daily precipitation	77.2 mm (3.0 in)	46 of 100 (Notable)
Eveleigh Station	Australia	Record daily precipitation	84.0 mm (3.3 in)	45 of 100 (Notable)
Simferopol	Ukraine	Record high maximum temperature	17.2 C (63.0 F)	45 of 100 (Notable)
Austwell	United States	Record daily precipitation	65.8 mm (2.6 in)	45 of 100 (Notable)
Meringa Sugar Exp STN	Australia	Record daily precipitation	176.0 mm (6.9 in)	44 of 100 (Notable)
Cove 1 E	United States	Record daily snowfall	7.4 cm (2.9 in)	44 of 100 (Notable)
Davenport	United States	Record daily snowfall	18.5 cm (7.3 in)	44 of 100 (Notable)
Iffley Station	Australia	Record daily precipitation	35.0 mm (1.4 in)	43 of 100 (Notable)
Keppel Island South	Australia	Record daily precipitation	94.8 mm (3.7 in)	43 of 100 (Notable)
Crane	United States	Record snow depth	17.8 cm (7.0 in)	43 of 100 (Notable)
Ft Stockton	United States	Record daily precipitation	30.5 mm (1.2 in)	43 of 100 (Notable)
Myton	United States	Record snow depth	12.7 cm (5.0 in)	43 of 100 (Notable)
Rosalia	United States	Record daily snowfall	14.0 cm (5.5 in)	43 of 100 (Notable)
Kangaroo Hills Station	Australia	Record daily precipitation	62.0 mm (2.4 in)	42 of 100 (Notable)
Hernando	United States	Record daily precipitation	68.3 mm (2.7 in)	42 of 100 (Notable)
Welder Wildlife Foundation	United States	Record daily precipitation	47.8 mm (1.9 in)	42 of 100 (Notable)
Andice 2 SW	United States	Record daily precipitation	48.5 mm (1.9 in)	41 of 100 (Notable)
Crockett	United States	Record daily precipitation	69.1 mm (2.7 in)	41 of 100 (Notable)
Persimmon Gap	United States	Record snow depth	15.2 cm (6.0 in)	41 of 100 (Notable)
Chewelah	United States	Record daily snowfall	17.8 cm (7.0 in)	40 of 100 (Notable)
Houston William P Hobby AP	United States	Record daily precipitation	44.7 mm (1.8 in)	39 of 100 (Notable)
Vasilevici	Belarus	Record high maximum temperature	7.6 C (45.7 F)	38 of 100 (Notable)

Counts by Type and Timescale

489 records

Records set or tied on 31 December 2020 by type: Highest daily maximum 56, Lowest daily maximum 27, Highest daily minimum 63, Lowest daily minimum 42, Heaviest daily rainfall 241, Heaviest daily snowfall 37, Deepest snow cover 23.

Records on 31 December 2020 by type
Record type	Records
Highest daily maximum	56
Lowest daily maximum	27
Highest daily minimum	63
Lowest daily minimum	42
Heaviest daily rainfall	241
Heaviest daily snowfall	37
Deepest snow cover	23

Records on 31 December 2020 by timescale: all-time 14, monthly 21, daily 454.

How Much Records Were Beaten By

444 broken records

Margins by which the 444 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 305.0. Ties are not counted.

Top 20 by Significance

31 December 2020

Top 20 records on 31 December 2020 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
31 December 2020	Chisos Basin, US	all-time snowfall	61.0 cm (24.0 in)	30.5 cm (12.0 in)	34 years	77 of 100 (Major)
31 December 2020	Chisos Basin, US	all-time snow depth	50.8 cm (20.0 in)	27.9 cm (11.0 in)	62 years	72 of 100 (Major)
31 December 2020	Lajitas, US	all-time snowfall	22.9 cm (9.0 in)	19.1 cm (7.5 in)	29 years	70 of 100 (Major)
31 December 2020	Deeside, AU	daily rain	39.8 mm (1.6 in)	23.8 mm (0.9 in)	61 years	68 of 100 (Major)
31 December 2020	Conroe, US	daily rain	117.9 mm (4.6 in)	90.7 mm (3.6 in)	52 years	65 of 100 (Major)
31 December 2020	Ft Stockton, US	monthly snowfall	20.3 cm (8.0 in)	10.1 cm (4.0 in)	74 years	60 of 100 (Major)
31 December 2020	Junction Kimble Co AP, US	daily rain	50.3 mm (2.0 in)	26.7 mm (1.1 in)	61 years	60 of 100 (Major)
31 December 2020	Potlatch 3 NNE, US	daily snowfall	22.9 cm (9.0 in)	12.7 cm (5.0 in)	76 years	59 of 100 (Notable)
31 December 2020	Borovici, RU	monthly rain	30.0 mm (1.2 in)	16.0 mm (0.6 in)	3 years	58 of 100 (Notable)
31 December 2020	Gail, US	all-time snow depth	20.3 cm (8.0 in)	2.5 cm (1.0 in)	82 years	56 of 100 (Notable)
31 December 2020	Sherman, US	daily rain	76.2 mm (3.0 in)	51.6 mm (2.0 in)	36 years	56 of 100 (Notable)
31 December 2020	Huntsville, US	daily rain	70.6 mm (2.8 in)	30.0 mm (1.2 in)	96 years	55 of 100 (Notable)
31 December 2020	Lajitas, US	all-time snow depth	22.9 cm (9.0 in)	20.4 cm (8.0 in)	39 years	55 of 100 (Notable)
31 December 2020	Raleigh State UNIV, US	monthly rain	76.7 mm (3.0 in)	9.9 mm (0.39 in)	84 years	54 of 100 (Notable)
31 December 2020	Des Arc, US	daily rain	67.1 mm (2.6 in)	38.9 mm (1.5 in)	68 years	52 of 100 (Notable)
31 December 2020	Sandpoint Exp STN, US	daily snowfall	33.0 cm (13.0 in)	7.6 cm (3.0 in)	107 years	52 of 100 (Notable)
31 December 2020	El Campo, US	monthly rain	134.6 mm (5.3 in)	46.7 mm (1.8 in)	2 years	52 of 100 (Notable)
31 December 2020	Frankland Vineyards, AU	daily rain	30.6 mm (1.2 in)	18.2 mm (0.7 in)	37 years	51 of 100 (Notable)
31 December 2020	Chimoio, MZ	daily rain	127.0 mm (5.0 in)	56.6 mm (2.2 in)	52 years	51 of 100 (Notable)
31 December 2020	Palacios Muni AP, US	daily rain	91.4 mm (3.6 in)	58.9 mm (2.3 in)	26 years	51 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 2020

Records set or tied on this calendar date in each year from 1797 to 2020. 2020 had 489 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 2020-12-31: 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 50	410
50 to 100	26
100 to 150	3
150 to 200	1
200 to 250	2
250 to 300	1
300 to 350	1