Weather Records on 25 December 1966

851 weather records were set or tied worldwide on 25 December 1966. Highest significance: W Chester 2 NW, US.

Key Facts for 25 December 1966

On 25 December 1966, 851 weather records were set or tied at long-record stations worldwide.
25 were record highs and 331 were record lows, counting maximum and minimum temperature.
By timescale, 3 were all-time records, 41 monthly and 807 daily.
W Chester 2 NW set a monthly record daily snowfall of 54.6 cm (21.5 in) on 25 December 1966.
Across 151 earlier years (1793 to 2025) the same calendar date averaged 545 records.

Record Map

851 stations

851 station records on 25 December 1966 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 25 December 1966: highest significance records shown on the map
Station	Country	Type	Value	Significance
W Chester 2 NW	United States	Record daily snowfall	54.6 cm (21.5 in)	65 of 100 (Major)
Flemington 5 NNW	United States	Record daily snowfall	43.2 cm (17.0 in)	64 of 100 (Major)
Belvidere	United States	Record daily snowfall	36.8 cm (14.5 in)	63 of 100 (Major)
Cornwall	United States	Record daily snowfall	33.0 cm (13.0 in)	63 of 100 (Major)
The Dalles	United States	Record daily precipitation	43.4 mm (1.7 in)	62 of 100 (Major)
Cooma (Kiaora)	Australia	Record daily precipitation	59.7 mm (2.4 in)	61 of 100 (Major)
Gloversville	United States	Record daily snowfall	43.2 cm (17.0 in)	61 of 100 (Major)
Saint Johnsbury	United States	Record daily snowfall	25.4 cm (10.0 in)	61 of 100 (Major)
Salisbury	United States	Record daily snowfall	30.5 cm (12.0 in)	60 of 100 (Major)
Columbia 2SSE	United States	Record snow depth	30.5 cm (12.0 in)	60 of 100 (Major)
Lakeville 2 NNE	United States	Record daily snowfall	61.0 cm (24.0 in)	59 of 100 (Notable)
Chelsea	United States	Record daily snowfall	26.4 cm (10.4 in)	58 of 100 (Notable)
Belvidere	United States	Record snow depth	50.8 cm (20.0 in)	57 of 100 (Notable)
Morrisville 6 SW	United States	Record daily snowfall	27.2 cm (10.7 in)	57 of 100 (Notable)
Plattsburgh AFB	United States	Record daily precipitation	28.2 mm (1.1 in)	57 of 100 (Notable)
Hanover	United States	Record daily precipitation	34.5 mm (1.4 in)	56 of 100 (Notable)
Northfield	United States	Record daily snowfall	31.8 cm (12.5 in)	56 of 100 (Notable)
Dufur	United States	Record daily precipitation	38.1 mm (1.5 in)	55 of 100 (Notable)
Dufur	United States	Record daily snowfall	25.4 cm (10.0 in)	55 of 100 (Notable)
Lake Placid 2 S	United States	Record daily snowfall	35.6 cm (14.0 in)	54 of 100 (Notable)
Woodstock	United States	Record daily snowfall	35.6 cm (14.0 in)	54 of 100 (Notable)
Boonton 1 SE	United States	Record snow depth	27.9 cm (11.0 in)	53 of 100 (Notable)
Port Jervis	United States	Record daily snowfall	27.9 cm (11.0 in)	53 of 100 (Notable)
Roxbury	United States	Record daily snowfall	36.8 cm (14.5 in)	53 of 100 (Notable)
Kent	United States	Record daily precipitation	28.4 mm (1.1 in)	53 of 100 (Notable)
Quakertown	United States	Record daily precipitation	43.7 mm (1.7 in)	53 of 100 (Notable)
Somerset	United States	Record daily snowfall	40.6 cm (16.0 in)	53 of 100 (Notable)
Groot Constantia	South Africa	Record daily precipitation	30.0 mm (1.2 in)	52 of 100 (Notable)
Kent	United States	Record daily snowfall	27.9 cm (11.0 in)	52 of 100 (Notable)
Cape Town Maitland (Cem)	South Africa	Record daily precipitation	50.0 mm (2.0 in)	51 of 100 (Notable)
Delhi 2 SE	United States	Record daily snowfall	38.1 cm (15.0 in)	51 of 100 (Notable)
Rochester	United States	Record daily snowfall	37.3 cm (14.7 in)	51 of 100 (Notable)
Farmville	United States	Record snow depth	25.4 cm (10.0 in)	51 of 100 (Notable)
Armagh	Canada	Record daily snowfall	29.7 cm (11.7 in)	50 of 100 (Notable)
Chazy	United States	Record daily precipitation	36.1 mm (1.4 in)	50 of 100 (Notable)
Quakertown	United States	Record daily snowfall	40.6 cm (16.0 in)	50 of 100 (Notable)
Reading Wb City	United States	Record snow depth	38.1 cm (15.0 in)	50 of 100 (Notable)
Coatesville 1 SW	United States	Record daily snowfall	50.8 cm (20.0 in)	49 of 100 (Notable)
Hollisterville	United States	Record daily snowfall	38.6 cm (15.2 in)	49 of 100 (Notable)
Cavendish	United States	Record daily snowfall	25.9 cm (10.2 in)	49 of 100 (Notable)
Hoosac Tunnel	United States	Record daily snowfall	29.2 cm (11.5 in)	48 of 100 (Notable)
Hanover	United States	Record daily snowfall	25.4 cm (10.0 in)	48 of 100 (Notable)
Sussex 1 NW	United States	Record daily precipitation	36.1 mm (1.4 in)	48 of 100 (Notable)
Matamoras	United States	Record daily precipitation	46.0 mm (1.8 in)	48 of 100 (Notable)
Farnham	Canada	Record daily snowfall	22.4 cm (8.8 in)	47 of 100 (Notable)
Cooma (Carlaminda)	Australia	Record daily precipitation	48.3 mm (1.9 in)	46 of 100 (Notable)
Poranga	Brazil	Record daily precipitation	27.2 mm (1.1 in)	46 of 100 (Notable)
Armagh	Canada	Record daily precipitation	29.7 mm (1.2 in)	46 of 100 (Notable)
Moro	United States	Record daily snowfall	17.8 cm (7.0 in)	46 of 100 (Notable)
E Stroudsburg	United States	Record daily snowfall	27.9 cm (11.0 in)	46 of 100 (Notable)
Bethlehem	United States	Record daily snowfall	17.8 cm (7.0 in)	45 of 100 (Notable)
Little Falls City Rsch	United States	Record daily snowfall	20.3 cm (8.0 in)	45 of 100 (Notable)
Adrian	United States	Record daily snowfall	12.7 cm (5.0 in)	45 of 100 (Notable)
Canton 4 SE	United States	Record daily snowfall	22.9 cm (9.0 in)	45 of 100 (Notable)
Flemington 5 NNW	United States	Record daily precipitation	44.5 mm (1.8 in)	44 of 100 (Notable)
Long Valley	United States	Record daily snowfall	40.6 cm (16.0 in)	44 of 100 (Notable)
Glenham	United States	Record daily snowfall	35.6 cm (14.0 in)	44 of 100 (Notable)
Heppner	United States	Record daily snowfall	7.6 cm (3.0 in)	44 of 100 (Notable)
Hanover	United States	Record daily snowfall	22.9 cm (9.0 in)	44 of 100 (Notable)
Holtwood	United States	Record daily snowfall	27.9 cm (11.0 in)	44 of 100 (Notable)

Counts by Type and Timescale

851 records

Records set or tied on 25 December 1966 by type: Highest daily maximum 11, Lowest daily maximum 122, Highest daily minimum 14, Lowest daily minimum 209, Heaviest daily rainfall 223, Heaviest daily snowfall 200, Deepest snow cover 72.

Records on 25 December 1966 by type
Record type	Records
Highest daily maximum	11
Lowest daily maximum	122
Highest daily minimum	14
Lowest daily minimum	209
Heaviest daily rainfall	223
Heaviest daily snowfall	200
Deepest snow cover	72

Records on 25 December 1966 by timescale: all-time 3, monthly 41, daily 807.

How Much Records Were Beaten By

725 broken records

Margins by which the 725 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 381.0. Ties are not counted.

Top 20 by Significance

25 December 1966

Top 20 records on 25 December 1966 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
25 December 1966	W Chester 2 NW, US	monthly snowfall	54.6 cm (21.5 in)	20.3 cm (8.0 in)	56 years	65 of 100 (Major)
25 December 1966	Flemington 5 NNW, US	daily snowfall	43.2 cm (17.0 in)	35.6 cm (14.0 in)	61 years	64 of 100 (Major)
25 December 1966	Belvidere, US	daily snowfall	36.8 cm (14.5 in)	25.4 cm (10.0 in)	61 years	63 of 100 (Major)
25 December 1966	Cornwall, US	daily snowfall	33.0 cm (13.0 in)	22.8 cm (9.0 in)	60 years	63 of 100 (Major)
25 December 1966	The Dalles, US	daily rain	43.4 mm (1.7 in)	25.6 mm (1.0 in)	52 years	62 of 100 (Major)
25 December 1966	Cooma (Kiaora), AU	daily rain	59.7 mm (2.4 in)	40.1 mm (1.6 in)	52 years	61 of 100 (Major)
25 December 1966	Gloversville, US	monthly snowfall	43.2 cm (17.0 in)	12.7 cm (5.0 in)	63 years	61 of 100 (Major)
25 December 1966	Saint Johnsbury, US	daily snowfall	25.4 cm (10.0 in)	17.8 cm (7.0 in)	60 years	61 of 100 (Major)
25 December 1966	Salisbury, US	daily snowfall	30.5 cm (12.0 in)	17.8 cm (7.0 in)	59 years	60 of 100 (Major)
25 December 1966	Columbia 2SSE, US	monthly snow depth	30.5 cm (12.0 in)	12.7 cm (5.0 in)	34 years	60 of 100 (Major)
25 December 1966	Lakeville 2 NNE, US	monthly snowfall	61.0 cm (24.0 in)	29.5 cm (11.6 in)	21 years	59 of 100 (Notable)
25 December 1966	Chelsea, US	daily snowfall	26.4 cm (10.4 in)	18.8 cm (7.4 in)	66 years	58 of 100 (Notable)
25 December 1966	Belvidere, US	monthly snow depth	50.8 cm (20.0 in)	22.9 cm (9.0 in)	6 years	57 of 100 (Notable)
25 December 1966	Morrisville 6 SW, US	daily snowfall	27.2 cm (10.7 in)	19.6 cm (7.7 in)	49 years	57 of 100 (Notable)
25 December 1966	Plattsburgh AFB, US	daily rain	28.2 mm (1.1 in)	23.1 mm (0.9 in)	60 years	57 of 100 (Notable)
25 December 1966	Hanover, US	daily rain	34.5 mm (1.4 in)	19.5 mm (0.8 in)	76 years	56 of 100 (Notable)
25 December 1966	Northfield, US	daily snowfall	31.8 cm (12.5 in)	26.7 cm (10.5 in)	27 years	56 of 100 (Notable)
25 December 1966	Dufur, US	daily rain	38.1 mm (1.5 in)	28.7 mm (1.1 in)	32 years	55 of 100 (Notable)
25 December 1966	Dufur, US	daily snowfall	25.4 cm (10.0 in)	20.3 cm (8.0 in)	56 years	55 of 100 (Notable)
25 December 1966	Lake Placid 2 S, US	daily snowfall	35.6 cm (14.0 in)	20.4 cm (8.0 in)	35 years	54 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 1966

Records set or tied on this calendar date in each year from 1793 to 1966. 1966 had 851 records.

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

Records on 12-25 in each year
Year	Records
1793	2
1798	1
1806	1
1827	1
1833	1
1835	2
1852	1
1853	1
1857	1
1864	1
1870	2
1872	4
1878	2
1881	1
1882	2
1883	1
1884	1
1888	2
1889	3
1893	1
1894	1
1895	3
1896	2
1897	1
1898	5
1899	3
1900	9
1901	13
1902	18
1903	6
1904	16
1905	2
1906	34
1907	5
1908	3
1909	53
1910	20
1911	26
1912	93
1913	45
1914	99
1915	69
1916	43
1917	46
1918	56
1919	299
1920	50
1921	91
1922	136
1923	233
1924	500
1925	70
1926	182
1927	94
1928	147
1929	195
1930	376
1931	603
1932	845
1933	507
1934	213
1935	540
1936	693
1937	158
1938	185
1939	295
1940	514
1941	461
1942	631
1943	310
1944	404
1945	838
1946	486
1947	651
1948	584
1949	161
1950	700
1951	432
1952	214
1953	259
1954	205
1955	880
1956	304
1957	633
1958	364
1959	624
1960	289
1961	484
1962	954
1963	669
1964	1,553
1965	547
1966	851
1967	486
1968	811
1969	643
1970	417
1971	974
1972	368
1973	639
1974	776
1975	844
1976	350
1977	778
1978	989
1979	679
1980	2,342
1981	811
1982	2,327
1983	5,697
1984	620
1985	712
1986	625
1987	2,053
1988	759
1989	1,118
1990	1,075
1991	793
1992	535
1993	680
1994	1,029
1995	1,658
1996	1,562
1997	1,348
1998	768
1999	995
2000	902
2001	515
2002	960
2003	561
2004	881
2005	913
2006	799
2007	498
2008	768
2009	2,123
2010	1,473
2011	688
2012	657
2013	779
2014	684
2015	2,149
2016	986
2017	485
2018	193
2019	599
2020	623
2021	1,190
2022	1,128
2023	1,641
2024	408
2025	2,222

Download the Data

Data for records on 1966-12-25: 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	567
50 to 100	73
100 to 150	42
150 to 200	20
200 to 250	14
250 to 300	4
300 to 350	3
350 to 400	2