Weather Records on 21 December 2010

2,039 weather records were set or tied worldwide on 21 December 2010. Highest significance: Violet Town, AU.

Key Facts for 21 December 2010

On 21 December 2010, 2,039 weather records were set or tied at long-record stations worldwide.
537 were record highs and 475 were record lows, counting maximum and minimum temperature.
By timescale, 37 were all-time records, 136 monthly and 1,866 daily.
Violet Town set a daily record precipitation of 116.0 mm (4.6 in) on 21 December 2010.
Across 158 earlier years (1793 to 2025) the same calendar date averaged 480 records.

Record Map

2,000 stations, highest significance shown

2,000 station records on 21 December 2010 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 December 2010: highest significance records shown on the map
Station	Country	Type	Value	Significance
Violet Town	Australia	Record daily precipitation	116.0 mm (4.6 in)	80 of 100 (Exceptional)
Duchesne	United States	Record daily precipitation	32.8 mm (1.3 in)	71 of 100 (Major)
Caliente	United States	Record daily precipitation	43.7 mm (1.7 in)	70 of 100 (Major)
Max	United States	Record daily snowfall	22.9 cm (9.0 in)	67 of 100 (Major)
Two Harbors	United States	Record daily snowfall	24.1 cm (9.5 in)	66 of 100 (Major)
McGill	United States	Record daily snowfall	30.5 cm (12.0 in)	66 of 100 (Major)
Washburn	United States	Record daily snowfall	12.7 cm (5.0 in)	66 of 100 (Major)
Vernal	United States	Record daily precipitation	27.9 mm (1.1 in)	66 of 100 (Major)
Chula Vista	United States	Record daily precipitation	50.5 mm (2.0 in)	65 of 100 (Major)
Oceanside Marina	United States	Record daily precipitation	60.7 mm (2.4 in)	65 of 100 (Major)
Alton	United States	Record daily precipitation	78.2 mm (3.1 in)	64 of 100 (Major)
Neola	United States	Record daily snowfall	40.6 cm (16.0 in)	63 of 100 (Major)
Rangely 1E	United States	Record daily snowfall	20.3 cm (8.0 in)	62 of 100 (Major)
Minot Exp STN	United States	Record daily snowfall	24.1 cm (9.5 in)	62 of 100 (Major)
Stanley 3 NNW	United States	Record daily snowfall	29.2 cm (11.5 in)	62 of 100 (Major)
Turtle Lake	United States	Record daily snowfall	15.2 cm (6.0 in)	62 of 100 (Major)
Ephraim	United States	Record daily snowfall	40.6 cm (16.0 in)	62 of 100 (Major)
Dinosaur Nm	United States	Record daily precipitation	48.8 mm (1.9 in)	61 of 100 (Major)
McGill	United States	Record daily precipitation	27.9 mm (1.1 in)	61 of 100 (Major)
Alfhausen	Germany	Record snow depth	25.0 cm (9.8 in)	59 of 100 (Notable)
Scheveningen	Netherlands	Record snow depth	13.0 cm (5.1 in)	59 of 100 (Notable)
Redlands	United States	Record daily precipitation	88.9 mm (3.5 in)	59 of 100 (Notable)
Mandan Exp STN	United States	Record daily snowfall	12.7 cm (5.0 in)	59 of 100 (Notable)
Levan	United States	Record daily snowfall	38.1 cm (15.0 in)	59 of 100 (Notable)
Richfield Radio Ksvc	United States	Record daily precipitation	27.2 mm (1.1 in)	59 of 100 (Notable)
Heber	United States	Record daily snowfall	26.7 cm (10.5 in)	58 of 100 (Notable)
N Is NAS	United States	Record daily precipitation	54.4 mm (2.1 in)	58 of 100 (Notable)
Zaandijk	Netherlands	Record snow depth	10.0 cm (3.9 in)	57 of 100 (Notable)
Red Lake Falls	United States	Record daily snowfall	15.2 cm (6.0 in)	57 of 100 (Notable)
Deseret	United States	Record daily snowfall	25.4 cm (10.0 in)	57 of 100 (Notable)
Scipio	United States	Record daily precipitation	37.6 mm (1.5 in)	57 of 100 (Notable)
Williston Sloulin Fld	United States	Record snow depth	58.4 cm (23.0 in)	57 of 100 (Notable)
Schluchtern-Herolz	Germany	Record snow depth	34.0 cm (13.4 in)	56 of 100 (Notable)
Borken In Westfalen	Germany	Record snow depth	15.0 cm (5.9 in)	56 of 100 (Notable)
Crested Butte	United States	Record daily precipitation	27.7 mm (1.1 in)	56 of 100 (Notable)
Castlewood	United States	Record daily snowfall	12.7 cm (5.0 in)	56 of 100 (Notable)
Flandreau	United States	Record daily snowfall	12.7 cm (5.0 in)	56 of 100 (Notable)
Moroni	United States	Record daily snowfall	40.6 cm (16.0 in)	56 of 100 (Notable)
Vesta	United States	Record daily snowfall	20.3 cm (8.0 in)	55 of 100 (Notable)
Roosevelt Radio	United States	Record daily snowfall	35.6 cm (14.0 in)	55 of 100 (Notable)
Angermunde	Germany	Record snow depth	20.0 cm (7.9 in)	54 of 100 (Notable)
Kuching	Malaysia	Record daily precipitation	396.0 mm (15.6 in)	54 of 100 (Notable)
Ubachsberg	Netherlands	Record snow depth	15.0 cm (5.9 in)	54 of 100 (Notable)
Hemet	United States	Record daily precipitation	48.3 mm (1.9 in)	54 of 100 (Notable)
Altenbern	United States	Record daily precipitation	31.2 mm (1.2 in)	54 of 100 (Notable)
Enterprise	United States	Record daily precipitation	88.4 mm (3.5 in)	54 of 100 (Notable)
Grantsville 2W	United States	Record daily snowfall	19.1 cm (7.5 in)	54 of 100 (Notable)
Nephi	United States	Record daily snowfall	27.7 cm (10.9 in)	54 of 100 (Notable)
Scipio	United States	Record snow depth	73.7 cm (29.0 in)	54 of 100 (Notable)
Balkuling North	Australia	Record daily precipitation	31.0 mm (1.2 in)	53 of 100 (Notable)
Zandvoort	Netherlands	Record snow depth	12.0 cm (4.7 in)	53 of 100 (Notable)
Castricum	Netherlands	Record snow depth	27.0 cm (10.6 in)	53 of 100 (Notable)
Lijnden (Nh)	Netherlands	Record snow depth	12.0 cm (4.7 in)	53 of 100 (Notable)
West Beemster	Netherlands	Record snow depth	22.0 cm (8.7 in)	53 of 100 (Notable)
Paisley	United Kingdom	Record low maximum temperature	-5.5 C (22.1 F)	53 of 100 (Notable)
Poway Valley	United States	Record daily precipitation	55.6 mm (2.2 in)	53 of 100 (Notable)
Watford City	United States	Record daily snowfall	21.1 cm (8.3 in)	53 of 100 (Notable)
Fairview 8N	United States	Record daily precipitation	52.3 mm (2.1 in)	53 of 100 (Notable)
Richfield Radio Ksvc	United States	Record snow depth	33.0 cm (13.0 in)	53 of 100 (Notable)
Salina	United States	Record daily snowfall	20.3 cm (8.0 in)	53 of 100 (Notable)

Counts by Type and Timescale

2,039 records

Records set or tied on 21 December 2010 by type: Highest daily maximum 243, Lowest daily maximum 217, Highest daily minimum 294, Lowest daily minimum 258, Heaviest daily rainfall 377, Heaviest daily snowfall 229, Deepest snow cover 421.

Records on 21 December 2010 by type
Record type	Records
Highest daily maximum	243
Lowest daily maximum	217
Highest daily minimum	294
Lowest daily minimum	258
Heaviest daily rainfall	377
Heaviest daily snowfall	229
Deepest snow cover	421

Records on 21 December 2010 by timescale: all-time 37, monthly 136, daily 1,866.

How Much Records Were Beaten By

1,712 broken records

Margins by which the 1,712 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 290.0. Ties are not counted.

Top 20 by Significance

21 December 2010

Top 20 records on 21 December 2010 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 December 2010	Violet Town, AU	daily rain	116.0 mm (4.6 in)	95.7 mm (3.8 in)	124 years	80 of 100 (Exceptional)
21 December 2010	Duchesne, US	daily rain	32.8 mm (1.3 in)	27.0 mm (1.1 in)	72 years	71 of 100 (Major)
21 December 2010	Caliente, US	daily rain	43.7 mm (1.7 in)	33.0 mm (1.3 in)	67 years	70 of 100 (Major)
21 December 2010	Max, US	daily snowfall	22.9 cm (9.0 in)	17.8 cm (7.0 in)	64 years	67 of 100 (Major)
21 December 2010	Two Harbors, US	daily snowfall	24.1 cm (9.5 in)	13.9 cm (5.5 in)	113 years	66 of 100 (Major)
21 December 2010	McGill, US	daily snowfall	30.5 cm (12.0 in)	20.3 cm (8.0 in)	57 years	66 of 100 (Major)
21 December 2010	Washburn, US	daily snowfall	12.7 cm (5.0 in)	10.2 cm (4.0 in)	114 years	66 of 100 (Major)
21 December 2010	Vernal, US	daily rain	27.9 mm (1.1 in)	13.7 mm (0.5 in)	88 years	66 of 100 (Major)
21 December 2010	Chula Vista, US	daily rain	50.5 mm (2.0 in)	30.7 mm (1.2 in)	88 years	65 of 100 (Major)
21 December 2010	Oceanside Marina, US	daily rain	60.7 mm (2.4 in)	47.7 mm (1.9 in)	51 years	65 of 100 (Major)
21 December 2010	Alton, US	daily rain	78.2 mm (3.1 in)	58.6 mm (2.3 in)	51 years	64 of 100 (Major)
21 December 2010	Neola, US	all-time snowfall	40.6 cm (16.0 in)	10.1 cm (4.0 in)	52 years	63 of 100 (Major)
21 December 2010	Rangely 1E, US	daily snowfall	20.3 cm (8.0 in)	10.1 cm (4.0 in)	100 years	62 of 100 (Major)
21 December 2010	Minot Exp STN, US	daily snowfall	24.1 cm (9.5 in)	20.3 cm (8.0 in)	43 years	62 of 100 (Major)
21 December 2010	Stanley 3 NNW, US	monthly snowfall	29.2 cm (11.5 in)	8.6 cm (3.4 in)	62 years	62 of 100 (Major)
21 December 2010	Turtle Lake, US	daily snowfall	15.2 cm (6.0 in)	12.7 cm (5.0 in)	81 years	62 of 100 (Major)
21 December 2010	Minot Exp STN, US	daily rain	16.3 mm (0.6 in)	13.8 mm (0.5 in)	100 years	20 of 100 (Routine)
21 December 2010	Deseret, US	daily rain	20.6 mm (0.8 in)	13.0 mm (0.5 in)	100 years	20 of 100 (Routine)
21 December 2010	Bryant, US	daily rain	14.0 mm (0.6 in)	10.2 mm (0.4 in)	99 years	20 of 100 (Routine)
21 December 2010	Coolangatta, AU	daily rain	21.0 mm (0.8 in)	21.0 mm (0.8 in)	84 years	20 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

1793 to 2010

Records set or tied on this calendar date in each year from 1793 to 2010. 2010 had 2,039 records.

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

Records on 12-21 in each year
Year	Records
1793	1
1794	1
1799	1
1801	2
1808	3
1825	1
1828	1
1839	1
1846	1
1850	1
1855	7
1859	1
1860	1
1868	1
1870	1
1871	2
1874	2
1875	3
1876	1
1877	1
1878	1
1879	1
1880	1
1884	1
1886	3
1889	1
1890	4
1893	4
1894	1
1895	5
1896	3
1897	3
1898	1
1900	8
1901	15
1902	5
1903	25
1904	3
1905	15
1906	15
1907	17
1908	19
1909	20
1910	29
1911	36
1912	23
1913	11
1914	107
1915	43
1916	40
1917	18
1918	41
1919	57
1920	30
1921	104
1922	34
1923	323
1924	377
1925	120
1926	178
1927	147
1928	70
1929	156
1930	66
1931	556
1932	150
1933	581
1934	230
1935	398
1936	323
1937	189
1938	145
1939	140
1940	622
1941	651
1942	968
1943	148
1944	762
1945	396
1946	495
1947	700
1948	297
1949	1,281
1950	504
1951	1,061
1952	197
1953	256
1954	444
1955	888
1956	672
1957	846
1958	516
1959	272
1960	585
1961	254
1962	563
1963	1,137
1964	613
1965	247
1966	400
1967	1,923
1968	818
1969	828
1970	547
1971	680
1972	651
1973	1,292
1974	374
1975	548
1976	446
1977	470
1978	517
1979	558
1980	726
1981	1,476
1982	702
1983	3,324
1984	1,012
1985	979
1986	404
1987	775
1988	717
1989	3,203
1990	2,701
1991	1,125
1992	751
1993	967
1994	793
1995	878
1996	1,114
1997	810
1998	1,142
1999	851
2000	944
2001	650
2002	579
2003	1,103
2004	675
2005	606
2006	1,443
2007	946
2008	1,062
2009	1,097
2010	2,039
2011	653
2012	759
2013	1,029
2014	878
2015	1,173
2016	543
2017	459
2018	742
2019	755
2020	965
2021	323
2022	528
2023	1,170
2024	778
2025	1,099

Download the Data

Data for records on 2010-12-21: 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 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Margin	Records
0 to 50	1,416
50 to 100	189
100 to 150	59
150 to 200	31
200 to 250	8
250 to 300	9