Weather Records on 21 December 2012

759 weather records were set or tied worldwide on 21 December 2012. Highest significance: Cheboygan, US.

Key Facts for 21 December 2012

On 21 December 2012, 759 weather records were set or tied at long-record stations worldwide.
146 were record highs and 163 were record lows, counting maximum and minimum temperature.
By timescale, 3 were all-time records, 18 monthly and 738 daily.
Cheboygan set a daily record precipitation of 35.6 mm (1.4 in) on 21 December 2012.
Across 158 earlier years (1793 to 2025) the same calendar date averaged 488 records.

Record Map

759 stations

759 station records on 21 December 2012 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 December 2012: highest significance records shown on the map
Station	Country	Type	Value	Significance
Cheboygan	United States	Record daily precipitation	35.6 mm (1.4 in)	80 of 100 (Exceptional)
Moorland (Denro-An)	Australia	Record daily precipitation	100.0 mm (3.9 in)	74 of 100 (Major)
Lake Mills Wwtp	United States	Record daily precipitation	30.7 mm (1.2 in)	66 of 100 (Major)
Mt Mary College	United States	Record daily precipitation	33.8 mm (1.3 in)	63 of 100 (Major)
Fall Rvr Mills	United States	Record daily snowfall	30.5 cm (12.0 in)	62 of 100 (Major)
Hale Loud Dam	United States	Record daily precipitation	29.7 mm (1.2 in)	62 of 100 (Major)
Watertown Wwtp	United States	Record daily snowfall	24.1 cm (9.5 in)	62 of 100 (Major)
Watertown Wwtp	United States	Record daily precipitation	29.2 mm (1.1 in)	61 of 100 (Major)
Hart 3 WSW	United States	Record daily precipitation	36.3 mm (1.4 in)	60 of 100 (Major)
Vanderbilt 11ENE	United States	Record daily precipitation	40.6 mm (1.6 in)	60 of 100 (Major)
Waukesha Wwtp	United States	Record daily precipitation	34.3 mm (1.4 in)	60 of 100 (Major)
Laurieton (Elouera St)	Australia	Record daily precipitation	113.0 mm (4.4 in)	59 of 100 (Notable)
Beaver Is	United States	Record daily precipitation	29.0 mm (1.1 in)	58 of 100 (Notable)
Darlington Wwtp	United States	Record daily snowfall	26.9 cm (10.6 in)	58 of 100 (Notable)
Oconomowoc Wwtp	United States	Record daily precipitation	27.2 mm (1.1 in)	58 of 100 (Notable)
Racine Wwtp	United States	Record daily precipitation	29.5 mm (1.2 in)	58 of 100 (Notable)
Alpena Wwtp	United States	Record daily precipitation	25.1 mm (1.0 in)	57 of 100 (Notable)
W Branch 3SE	United States	Record daily precipitation	35.3 mm (1.4 in)	56 of 100 (Notable)
Germantown Wastewater Utility	United States	Record daily precipitation	39.1 mm (1.5 in)	56 of 100 (Notable)
Baldwin	United States	Record daily precipitation	34.8 mm (1.4 in)	55 of 100 (Notable)
Kalkaska	United States	Record daily precipitation	26.7 mm (1.1 in)	55 of 100 (Notable)
Hartford Wwtp	United States	Record daily snowfall	33.0 cm (13.0 in)	55 of 100 (Notable)
Cadillac	United States	Record daily precipitation	25.4 mm (1.0 in)	55 of 100 (Notable)
Bergland Dam	United States	Record daily precipitation	29.0 mm (1.1 in)	53 of 100 (Notable)
Hartford Wwtp	United States	Record daily precipitation	33.8 mm (1.3 in)	53 of 100 (Notable)
Brodhead Wwtp	United States	Record daily precipitation	34.3 mm (1.4 in)	52 of 100 (Notable)
Burney	United States	Record daily snowfall	67.3 cm (26.5 in)	51 of 100 (Notable)
Dunsmuir Trtmt Pl	United States	Record daily snowfall	48.3 cm (19.0 in)	50 of 100 (Notable)
Gallatin 1W	United States	Record snow depth	30.5 cm (12.0 in)	50 of 100 (Notable)
Gladwin	United States	Record daily precipitation	37.6 mm (1.5 in)	50 of 100 (Notable)
Big Rapids Wtp	United States	Record daily precipitation	29.5 mm (1.2 in)	49 of 100 (Notable)
Oshkosh	United States	Record daily snowfall	19.6 cm (7.7 in)	49 of 100 (Notable)
Lupton 1S	United States	Record daily precipitation	34.0 mm (1.3 in)	48 of 100 (Notable)
Wellston Tippy Dam	United States	Record daily precipitation	33.0 mm (1.3 in)	48 of 100 (Notable)
Beaver Dam Wwtp	United States	Record daily snowfall	27.9 cm (11.0 in)	48 of 100 (Notable)
Larrainzar	Mexico	Record daily precipitation	74.7 mm (2.9 in)	47 of 100 (Notable)
State College	United States	Record daily precipitation	32.0 mm (1.3 in)	47 of 100 (Notable)
Union Zaragoza	Mexico	Record daily precipitation	45.0 mm (1.8 in)	45 of 100 (Notable)
Ironwood	United States	Record daily snowfall	28.4 cm (11.2 in)	45 of 100 (Notable)
Beaver Dam Wwtp	United States	Record daily precipitation	25.4 mm (1.0 in)	45 of 100 (Notable)
Carlisle Wtp	United States	Record daily precipitation	38.9 mm (1.5 in)	44 of 100 (Notable)
Selinsgrove 2 S	United States	Record daily precipitation	32.8 mm (1.3 in)	44 of 100 (Notable)
Moola Bulla	Australia	Record daily precipitation	39.0 mm (1.5 in)	43 of 100 (Notable)
Burney	United States	Record daily precipitation	77.2 mm (3.0 in)	43 of 100 (Notable)
Norristown	United States	Record daily precipitation	67.1 mm (2.6 in)	43 of 100 (Notable)
Clinton Wwtp	United States	Record daily precipitation	31.8 mm (1.3 in)	43 of 100 (Notable)
Stoughton Wwtp	United States	Record daily precipitation	31.0 mm (1.2 in)	43 of 100 (Notable)
La Harpe	United States	Record daily snowfall	7.6 cm (3.0 in)	42 of 100 (Notable)
Newberry-Luce Co Rd Commission	United States	Record daily snowfall	21.6 cm (8.5 in)	42 of 100 (Notable)
S Haven	United States	Record daily precipitation	25.4 mm (1.0 in)	42 of 100 (Notable)
Defiance	United States	Record daily precipitation	25.9 mm (1.0 in)	42 of 100 (Notable)
Grants Pass	United States	Record daily snowfall	7.9 cm (3.1 in)	42 of 100 (Notable)
Charleroi Lock 4	United States	Record daily precipitation	33.0 mm (1.3 in)	42 of 100 (Notable)
Yagaburne	Australia	Record daily precipitation	97.0 mm (3.8 in)	41 of 100 (Notable)
New Carlisle	United States	Record daily precipitation	25.9 mm (1.0 in)	41 of 100 (Notable)
Arlington	United States	Record daily precipitation	25.4 mm (1.0 in)	41 of 100 (Notable)
El Charape	Mexico	Record low minimum temperature	-4.4 C (24.1 F)	40 of 100 (Notable)
Jokkmokk	Sweden	Record snow depth	80.0 cm (31.5 in)	40 of 100 (Notable)
Munising	United States	Record daily snowfall	20.3 cm (8.0 in)	40 of 100 (Notable)
Edina	United States	Record daily snowfall	10.9 cm (4.3 in)	40 of 100 (Notable)

Counts by Type and Timescale

759 records

Records set or tied on 21 December 2012 by type: Highest daily maximum 88, Lowest daily maximum 99, Highest daily minimum 58, Lowest daily minimum 64, Heaviest daily rainfall 312, Heaviest daily snowfall 106, Deepest snow cover 32.

Records on 21 December 2012 by type
Record type	Records
Highest daily maximum	88
Lowest daily maximum	99
Highest daily minimum	58
Lowest daily minimum	64
Heaviest daily rainfall	312
Heaviest daily snowfall	106
Deepest snow cover	32

Records on 21 December 2012 by timescale: all-time 3, monthly 18, daily 738.

How Much Records Were Beaten By

665 broken records

Margins by which the 665 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 343.0. Ties are not counted.

Top 20 by Significance

21 December 2012

Top 20 records on 21 December 2012 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 December 2012	Cheboygan, US	daily rain	35.6 mm (1.4 in)	20.4 mm (0.8 in)	107 years	80 of 100 (Exceptional)
21 December 2012	Moorland (Denro-An), AU	daily rain	100.0 mm (3.9 in)	66.2 mm (2.6 in)	114 years	74 of 100 (Major)
21 December 2012	Lake Mills Wwtp, US	daily rain	30.7 mm (1.2 in)	19.3 mm (0.8 in)	107 years	66 of 100 (Major)
21 December 2012	Mt Mary College, US	daily rain	33.8 mm (1.3 in)	26.7 mm (1.1 in)	63 years	63 of 100 (Major)
21 December 2012	Fall Rvr Mills, US	daily snowfall	30.5 cm (12.0 in)	25.4 cm (10.0 in)	70 years	62 of 100 (Major)
21 December 2012	Hale Loud Dam, US	daily rain	29.7 mm (1.2 in)	14.0 mm (0.6 in)	94 years	62 of 100 (Major)
21 December 2012	Watertown Wwtp, US	daily snowfall	24.1 cm (9.5 in)	8.9 cm (3.5 in)	98 years	62 of 100 (Major)
21 December 2012	Watertown Wwtp, US	daily rain	29.2 mm (1.1 in)	14.0 mm (0.6 in)	98 years	61 of 100 (Major)
21 December 2012	Hart 3 WSW, US	daily rain	36.3 mm (1.4 in)	13.2 mm (0.5 in)	94 years	60 of 100 (Major)
21 December 2012	Vanderbilt 11ENE, US	daily rain	40.6 mm (1.6 in)	28.2 mm (1.1 in)	34 years	60 of 100 (Major)
21 December 2012	Waukesha Wwtp, US	daily rain	34.3 mm (1.4 in)	14.0 mm (0.6 in)	94 years	60 of 100 (Major)
21 December 2012	Laurieton (Elouera St), AU	daily rain	113.0 mm (4.4 in)	56.9 mm (2.2 in)	72 years	59 of 100 (Notable)
21 December 2012	Beaver Is, US	daily rain	29.0 mm (1.1 in)	16.0 mm (0.6 in)	94 years	58 of 100 (Notable)
21 December 2012	Darlington Wwtp, US	monthly snowfall	26.9 cm (10.6 in)	4.0 cm (1.6 in)	97 years	58 of 100 (Notable)
21 December 2012	Oconomowoc Wwtp, US	daily rain	27.2 mm (1.1 in)	17.5 mm (0.7 in)	63 years	58 of 100 (Notable)
21 December 2012	Racine Wwtp, US	daily rain	29.5 mm (1.2 in)	12.7 mm (0.5 in)	107 years	58 of 100 (Notable)
21 December 2012	Alpena Wwtp, US	daily rain	25.1 mm (1.0 in)	15.4 mm (0.6 in)	61 years	57 of 100 (Notable)
21 December 2012	W Branch 3SE, US	daily rain	35.3 mm (1.4 in)	20.6 mm (0.8 in)	35 years	56 of 100 (Notable)
21 December 2012	Germantown Wastewater Utility, US	daily rain	39.1 mm (1.5 in)	31.5 mm (1.2 in)	35 years	56 of 100 (Notable)
21 December 2012	Baldwin, US	daily rain	34.8 mm (1.4 in)	20.3 mm (0.8 in)	45 years	55 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

1793 to 2012

Records set or tied on this calendar date in each year from 1793 to 2012. 2012 had 759 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 2012-12-21: 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 2026-10-13 (13 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	622
50 to 100	27
100 to 150	8
150 to 200	4
200 to 250	1
250 to 300	2
300 to 350	1