Weather Records on 20 December 1951

926 weather records were set or tied worldwide on 20 December 1951. Highest significance: Causapscal, CA.

Key Facts for 20 December 1951

On 20 December 1951, 926 weather records were set or tied at long-record stations worldwide.
62 were record highs and 230 were record lows, counting maximum and minimum temperature.
By timescale, 5 were all-time records, 31 monthly and 890 daily.
Causapscal set an all-time record daily snowfall of 61.0 cm (24.0 in) on 20 December 1951.
Across 163 earlier years (1793 to 2025) the same calendar date averaged 464 records.

Record Map

926 stations

926 station records on 20 December 1951 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 December 1951: highest significance records shown on the map
Station	Country	Type	Value	Significance
Causapscal	Canada	Record daily snowfall	61.0 cm (24.0 in)	72 of 100 (Major)
Georgetown	Canada	Record daily snowfall	25.4 cm (10.0 in)	55 of 100 (Notable)
Springerville	United States	Record snow depth	15.2 cm (6.0 in)	55 of 100 (Notable)
Aurora Water	United States	Record snow depth	58.4 cm (23.0 in)	53 of 100 (Notable)
Pembroke Eddy Match	Canada	Record daily snowfall	38.1 cm (15.0 in)	52 of 100 (Notable)
Rockford	United States	Record snow depth	35.6 cm (14.0 in)	51 of 100 (Notable)
New London	United States	Record daily snowfall	25.4 cm (10.0 in)	50 of 100 (Notable)
Ottawa Cda	Canada	Record daily snowfall	24.1 cm (9.5 in)	48 of 100 (Notable)
Midland 2	United States	Record daily snowfall	20.3 cm (8.0 in)	48 of 100 (Notable)
Pembroke Eddy Match	Canada	Record daily precipitation	38.1 mm (1.5 in)	47 of 100 (Notable)
Springerville	United States	Record daily snowfall	15.2 cm (6.0 in)	47 of 100 (Notable)
Plymouth Pwr Substn	United States	Record snow depth	35.6 cm (14.0 in)	47 of 100 (Notable)
Bay City	United States	Record daily snowfall	20.3 cm (8.0 in)	47 of 100 (Notable)
Harbor Beach 1 SSE	United States	Record daily snowfall	16.5 cm (6.5 in)	47 of 100 (Notable)
Steveston	Canada	Record daily snowfall	16.5 cm (6.5 in)	46 of 100 (Notable)
Whiteriver 1 SW	United States	Record snow depth	12.7 cm (5.0 in)	46 of 100 (Notable)
Aurora Water	United States	Record daily snowfall	19.3 cm (7.6 in)	46 of 100 (Notable)
Gladwin	United States	Record daily snowfall	21.8 cm (8.6 in)	46 of 100 (Notable)
Barrie	Canada	Record daily snowfall	25.4 cm (10.0 in)	45 of 100 (Notable)
Peterborough	Canada	Record daily snowfall	29.2 cm (11.5 in)	45 of 100 (Notable)
Barrie	Canada	Record daily precipitation	25.4 mm (1.0 in)	44 of 100 (Notable)
Coldwater	United States	Record daily precipitation	58.4 mm (2.3 in)	44 of 100 (Notable)
Saginaw Mbs Intl AP	United States	Record daily snowfall	18.3 cm (7.2 in)	44 of 100 (Notable)
Toronto Agincourt	Canada	Record daily snowfall	27.9 cm (11.0 in)	43 of 100 (Notable)
Burlington Muni AP	United States	Record snow depth	22.9 cm (9.0 in)	43 of 100 (Notable)
Davenport L&D 15	United States	Record snow depth	27.9 cm (11.0 in)	43 of 100 (Notable)
Pontiac Wwtp	United States	Record daily snowfall	15.2 cm (6.0 in)	42 of 100 (Notable)
Marinette	United States	Record daily snowfall	20.3 cm (8.0 in)	42 of 100 (Notable)
Oconto 4 W	United States	Record daily snowfall	20.3 cm (8.0 in)	42 of 100 (Notable)
New Westminster	Canada	Record daily snowfall	17.8 cm (7.0 in)	41 of 100 (Notable)
Hamilton	Canada	Record daily snowfall	15.2 cm (6.0 in)	41 of 100 (Notable)
Peterborough	Canada	Record daily precipitation	29.2 mm (1.1 in)	41 of 100 (Notable)
Alma	United States	Record daily snowfall	14.0 cm (5.5 in)	41 of 100 (Notable)
Quebec	Canada	Record daily snowfall	17.8 cm (7.0 in)	40 of 100 (Notable)
Aledo	United States	Record snow depth	33.0 cm (13.0 in)	40 of 100 (Notable)
Superior	United States	Record daily snowfall	12.7 cm (5.0 in)	40 of 100 (Notable)
Big Rapids Wtp	United States	Record daily snowfall	20.3 cm (8.0 in)	39 of 100 (Notable)
Oak Ridges	Canada	Record daily snowfall	27.9 cm (11.0 in)	38 of 100 (Notable)
Keosauqua	United States	Record snow depth	22.9 cm (9.0 in)	38 of 100 (Notable)
Greenville Wtp	United States	Record snow depth	45.7 cm (18.0 in)	38 of 100 (Notable)
Orangeville	Canada	Record daily snowfall	20.3 cm (8.0 in)	37 of 100 (Notable)
Trenton Ont Hydro	Canada	Record daily snowfall	27.9 cm (11.0 in)	37 of 100 (Notable)
Harrisville	United States	Record daily snowfall	22.9 cm (9.0 in)	37 of 100 (Notable)
Cadiz	United States	Record daily snowfall	24.6 cm (9.7 in)	37 of 100 (Notable)
Pittsworth	Australia	Record daily precipitation	56.1 mm (2.2 in)	36 of 100 (Notable)
Vavenby	Canada	Record daily snowfall	15.2 cm (6.0 in)	36 of 100 (Notable)
Hillsdale	United States	Record snow depth	30.5 cm (12.0 in)	36 of 100 (Notable)
Asheville Pearson St	United States	Record daily precipitation	34.5 mm (1.4 in)	36 of 100 (Notable)
Cottonwood 2 E	United States	Record snow depth	17.8 cm (7.0 in)	36 of 100 (Notable)
Brodhead Wwtp	United States	Record daily snowfall	10.2 cm (4.0 in)	36 of 100 (Notable)
La Tuque	Canada	Record daily snowfall	19.1 cm (7.5 in)	35 of 100 (Notable)
Aledo	United States	Record daily snowfall	12.7 cm (5.0 in)	35 of 100 (Notable)
Marengo	United States	Record daily snowfall	8.9 cm (3.5 in)	35 of 100 (Notable)
Adrian 2 NNE	United States	Record daily snowfall	12.7 cm (5.0 in)	35 of 100 (Notable)
Oberlin	United States	Record daily snowfall	15.2 cm (6.0 in)	35 of 100 (Notable)
Waupaca	United States	Record daily snowfall	19.8 cm (7.8 in)	35 of 100 (Notable)
Ubaira (Areia)	Brazil	Record daily precipitation	66.5 mm (2.6 in)	34 of 100 (Routine)
Toronto	Canada	Record daily snowfall	14.5 cm (5.7 in)	34 of 100 (Routine)
Cedar Rapids #1	United States	Record snow depth	25.4 cm (10.0 in)	34 of 100 (Routine)
Gettysburg	United States	Record snow depth	33.0 cm (13.0 in)	34 of 100 (Routine)

Counts by Type and Timescale

926 records

Records set or tied on 20 December 1951 by type: Highest daily maximum 33, Lowest daily maximum 125, Highest daily minimum 29, Lowest daily minimum 105, Heaviest daily rainfall 330, Heaviest daily snowfall 214, Deepest snow cover 90.

Records on 20 December 1951 by type
Record type	Records
Highest daily maximum	33
Lowest daily maximum	125
Highest daily minimum	29
Lowest daily minimum	105
Heaviest daily rainfall	330
Heaviest daily snowfall	214
Deepest snow cover	90

Records on 20 December 1951 by timescale: all-time 5, monthly 31, daily 890.

How Much Records Were Beaten By

784 broken records

Margins by which the 784 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 280.0. Ties are not counted.

Top 20 by Significance

20 December 1951

Top 20 records on 20 December 1951 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 December 1951	Causapscal, CA	all-time snowfall	61.0 cm (24.0 in)	22.9 cm (9.0 in)	31 years	72 of 100 (Major)
20 December 1951	Georgetown, CA	daily snowfall	25.4 cm (10.0 in)	15.2 cm (6.0 in)	46 years	55 of 100 (Notable)
20 December 1951	Springerville, US	daily snow depth	15.2 cm (6.0 in)	15.2 cm (6.0 in)	40 years	55 of 100 (Notable)
20 December 1951	Aurora Water, US	all-time snow depth	58.4 cm (23.0 in)	12.7 cm (5.0 in)	33 years	53 of 100 (Notable)
20 December 1951	Pembroke Eddy Match, CA	daily snowfall	38.1 cm (15.0 in)	26.7 cm (10.5 in)	14 years	52 of 100 (Notable)
20 December 1951	Rockford, US	daily snow depth	35.6 cm (14.0 in)	28.0 cm (11.0 in)	36 years	51 of 100 (Notable)
20 December 1951	New London, US	daily snowfall	25.4 cm (10.0 in)	17.8 cm (7.0 in)	53 years	50 of 100 (Notable)
20 December 1951	Ottawa Cda, CA	daily snowfall	24.1 cm (9.5 in)	13.9 cm (5.5 in)	48 years	48 of 100 (Notable)
20 December 1951	Midland 2, US	daily snowfall	20.3 cm (8.0 in)	16.5 cm (6.5 in)	25 years	48 of 100 (Notable)
20 December 1951	Pembroke Eddy Match, CA	daily rain	38.1 mm (1.5 in)	26.7 mm (1.1 in)	14 years	47 of 100 (Notable)
20 December 1951	Springerville, US	daily snowfall	15.2 cm (6.0 in)	14.2 cm (5.6 in)	34 years	47 of 100 (Notable)
20 December 1951	Plymouth Pwr Substn, US	daily snow depth	35.6 cm (14.0 in)	17.8 cm (7.0 in)	36 years	47 of 100 (Notable)
20 December 1951	Bay City, US	daily snowfall	20.3 cm (8.0 in)	12.7 cm (5.0 in)	53 years	47 of 100 (Notable)
20 December 1951	Harbor Beach 1 SSE, US	daily snowfall	16.5 cm (6.5 in)	8.9 cm (3.5 in)	40 years	47 of 100 (Notable)
20 December 1951	Steveston, CA	daily snowfall	16.5 cm (6.5 in)	14.0 cm (5.5 in)	17 years	46 of 100 (Notable)
20 December 1951	Whiteriver 1 SW, US	daily snow depth	12.7 cm (5.0 in)	12.7 cm (5.0 in)	50 years	46 of 100 (Notable)
20 December 1951	Aurora Water, US	daily snowfall	19.3 cm (7.6 in)	11.7 cm (4.6 in)	36 years	46 of 100 (Notable)
20 December 1951	Gladwin, US	daily snowfall	21.8 cm (8.6 in)	11.6 cm (4.6 in)	53 years	46 of 100 (Notable)
20 December 1951	Barrie, CA	daily snowfall	25.4 cm (10.0 in)	7.6 cm (3.0 in)	80 years	45 of 100 (Notable)
20 December 1951	Peterborough, CA	daily snowfall	29.2 cm (11.5 in)	5.8 cm (2.3 in)	78 years	45 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 1951

Records set or tied on this calendar date in each year from 1793 to 1951. 1951 had 926 records.

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

Records on 12-20 in each year
Year	Records
1793	1
1795	1
1804	1
1805	2
1808	1
1815	1
1828	1
1837	1
1846	1
1855	8
1858	1
1860	1
1866	1
1867	1
1868	1
1869	1
1871	2
1874	3
1875	1
1877	2
1878	1
1879	1
1880	1
1881	1
1882	1
1884	4
1885	1
1886	4
1889	4
1890	2
1891	2
1892	1
1894	2
1895	8
1896	1
1897	4
1898	2
1899	1
1900	7
1901	8
1902	14
1903	17
1904	9
1905	5
1906	5
1907	11
1908	5
1909	22
1910	17
1911	24
1912	27
1913	7
1914	43
1915	18
1916	45
1917	33
1918	18
1919	25
1920	22
1921	101
1922	88
1923	215
1924	332
1925	96
1926	163
1927	200
1928	93
1929	256
1930	67
1931	536
1932	170
1933	492
1934	265
1935	152
1936	416
1937	181
1938	240
1939	308
1940	965
1941	633
1942	817
1943	193
1944	340
1945	430
1946	327
1947	385
1948	345
1949	1,141
1950	758
1951	926
1952	394
1953	385
1954	416
1955	726
1956	471
1957	1,354
1958	382
1959	142
1960	354
1961	369
1962	475
1963	875
1964	499
1965	353
1966	555
1967	1,370
1968	482
1969	514
1970	518
1971	441
1972	448
1973	1,184
1974	328
1975	610
1976	382
1977	484
1978	910
1979	600
1980	667
1981	1,681
1982	712
1983	2,995
1984	1,411
1985	1,035
1986	321
1987	1,179
1988	760
1989	1,812
1990	1,885
1991	1,172
1992	1,134
1993	1,266
1994	813
1995	1,128
1996	1,448
1997	651
1998	1,110
1999	938
2000	1,150
2001	523
2002	943
2003	1,315
2004	836
2005	515
2006	1,387
2007	986
2008	1,356
2009	1,502
2010	2,055
2011	846
2012	1,131
2013	584
2014	524
2015	1,238
2016	603
2017	688
2018	592
2019	731
2020	554
2021	442
2022	567
2023	1,242
2024	897
2025	1,166

Download the Data

Data for records on 1951-12-20: 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 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Margin	Records
0 to 50	654
50 to 100	79
100 to 150	34
150 to 200	13
200 to 250	1
250 to 300	3