Weather Records on 7 December 1966

1,047 weather records were set or tied worldwide on 7 December 1966. Highest significance: Windsor, US.

Key Facts for 7 December 1966

On 7 December 1966, 1,047 weather records were set or tied at long-record stations worldwide.
541 were record highs and 31 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 85 monthly and 962 daily.
Windsor set a monthly record daily precipitation of 114.3 mm (4.5 in) on 7 December 1966.
Across 157 earlier years (1801 to 2025) the same calendar date averaged 490 records.

Record Map

1,047 stations

1,047 station records on 7 December 1966 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 7 December 1966: highest significance records shown on the map
Station	Country	Type	Value	Significance
Windsor	United States	Record daily precipitation	114.3 mm (4.5 in)	64 of 100 (Major)
Minersville	United States	Record daily precipitation	25.7 mm (1.0 in)	60 of 100 (Major)
Ames	United States	Record daily precipitation	43.2 mm (1.7 in)	59 of 100 (Notable)
Pana	United States	Record daily precipitation	77.2 mm (3.0 in)	59 of 100 (Notable)
Piute Dam	United States	Record daily precipitation	25.7 mm (1.0 in)	59 of 100 (Notable)
Cuyamaca	United States	Record daily precipitation	153.4 mm (6.0 in)	58 of 100 (Notable)
Barrett Dam	United States	Record daily precipitation	87.1 mm (3.4 in)	57 of 100 (Notable)
Port Stanley	Canada	Record daily precipitation	26.7 mm (1.1 in)	53 of 100 (Notable)
Descanso Rs	United States	Record daily precipitation	132.6 mm (5.2 in)	53 of 100 (Notable)
Eagle Nest	United States	Record daily precipitation	25.7 mm (1.0 in)	53 of 100 (Notable)
Fort Cochin	India	Record daily precipitation	91.8 mm (3.6 in)	52 of 100 (Notable)
Big Bear Lake Dam	United States	Record daily precipitation	178.1 mm (7.0 in)	51 of 100 (Notable)
Silverton	United States	Record daily precipitation	29.5 mm (1.2 in)	50 of 100 (Notable)
Ft Valley	United States	Record daily precipitation	46.5 mm (1.8 in)	49 of 100 (Notable)
Albion	United States	Record daily precipitation	58.4 mm (2.3 in)	49 of 100 (Notable)
Delphi 2 N	United States	Record daily precipitation	63.0 mm (2.5 in)	49 of 100 (Notable)
Frankfort Disposal	United States	Record daily precipitation	54.6 mm (2.1 in)	48 of 100 (Notable)
Tacoma	United States	Record daily precipitation	35.1 mm (1.4 in)	47 of 100 (Notable)
Mattoon	United States	Record daily precipitation	77.2 mm (3.0 in)	47 of 100 (Notable)
Leamington	Canada	Record daily precipitation	40.9 mm (1.6 in)	46 of 100 (Notable)
Kangayam	India	Record daily precipitation	65.2 mm (2.6 in)	46 of 100 (Notable)
Haiwee	United States	Record daily precipitation	36.8 mm (1.4 in)	46 of 100 (Notable)
Champaign 3S	United States	Record daily precipitation	69.6 mm (2.7 in)	46 of 100 (Notable)
Beaumont Pumping Plt	United States	Record daily precipitation	67.8 mm (2.7 in)	44 of 100 (Notable)
Porterville	United States	Record daily precipitation	49.5 mm (1.9 in)	44 of 100 (Notable)
Bathurst Gaol	Australia	Record low maximum temperature	16.1 C (61.0 F)	43 of 100 (Notable)
Harrow Cda	Canada	Record daily precipitation	32.0 mm (1.3 in)	43 of 100 (Notable)
Morekulam	India	Record daily precipitation	132.0 mm (5.2 in)	43 of 100 (Notable)
Sierra Ancha	United States	Record daily precipitation	58.4 mm (2.3 in)	43 of 100 (Notable)
1 N McLeansboro	United States	Record daily precipitation	55.4 mm (2.2 in)	43 of 100 (Notable)
Kalama 5 ENE	United States	Record daily snowfall	11.4 cm (4.5 in)	43 of 100 (Notable)
Nephi	United States	Record daily precipitation	27.4 mm (1.1 in)	42 of 100 (Notable)
S Bend AP	United States	Record daily precipitation	54.4 mm (2.1 in)	42 of 100 (Notable)
Darwin Loco Works	Australia	Record daily precipitation	103.1 mm (4.1 in)	41 of 100 (Notable)
Tehachapi	United States	Record daily precipitation	27.9 mm (1.1 in)	41 of 100 (Notable)
Telluride 4WNW	United States	Record daily precipitation	27.2 mm (1.1 in)	41 of 100 (Notable)
Whiteriver 1 SW	United States	Record daily precipitation	27.4 mm (1.1 in)	40 of 100 (Notable)
Independence	United States	Record daily precipitation	35.6 mm (1.4 in)	40 of 100 (Notable)
Ames	United States	Record daily snowfall	30.5 cm (12.0 in)	39 of 100 (Notable)
Galva	United States	Record daily precipitation	29.0 mm (1.1 in)	39 of 100 (Notable)
Carmi 6 NW	United States	Record daily precipitation	43.2 mm (1.7 in)	38 of 100 (Notable)
Laguna	United States	Record high minimum temperature	6.7 C (44.1 F)	38 of 100 (Notable)
Beaver	United States	Record daily precipitation	29.2 mm (1.1 in)	38 of 100 (Notable)
Centralia	United States	Record daily snowfall	5.1 cm (2.0 in)	38 of 100 (Notable)
Pelee Island	Canada	Record daily precipitation	50.5 mm (2.0 in)	37 of 100 (Notable)
McNary 2N	United States	Record daily precipitation	30.5 mm (1.2 in)	37 of 100 (Notable)
Elsinore	United States	Record daily precipitation	39.1 mm (1.5 in)	37 of 100 (Notable)
Rockville	United States	Record daily precipitation	49.5 mm (1.9 in)	37 of 100 (Notable)
Springer	United States	Record high minimum temperature	6.7 C (44.1 F)	37 of 100 (Notable)
Lnai Culture & Heritage Ctr	United States	Record daily precipitation	77.5 mm (3.1 in)	37 of 100 (Notable)
Port Stanley	Canada	Record high maximum temperature	11.1 C (52.0 F)	36 of 100 (Notable)
Alkmaar	South Africa	Record daily precipitation	87.0 mm (3.4 in)	36 of 100 (Notable)
Crown King	United States	Record daily precipitation	50.0 mm (2.0 in)	36 of 100 (Notable)
Paris Stp	United States	Record daily precipitation	57.4 mm (2.3 in)	36 of 100 (Notable)
Paterson Post Office	Australia	Record daily precipitation	49.3 mm (1.9 in)	35 of 100 (Notable)
Globe Rs	United States	Record high minimum temperature	10.0 C (50.0 F)	35 of 100 (Notable)
Aspen	United States	Record daily precipitation	30.0 mm (1.2 in)	35 of 100 (Notable)
Mt Pulaski	United States	Record daily precipitation	43.9 mm (1.7 in)	35 of 100 (Notable)
Yates Ctr	United States	Record high maximum temperature	25.0 C (77.0 F)	35 of 100 (Notable)
Logan Utah St UNIV	United States	Record daily snowfall	20.3 cm (8.0 in)	35 of 100 (Notable)

Counts by Type and Timescale

1,047 records

Records set or tied on 7 December 1966 by type: Highest daily maximum 216, Lowest daily maximum 22, Highest daily minimum 325, Lowest daily minimum 9, Heaviest daily rainfall 408, Heaviest daily snowfall 58, Deepest snow cover 9.

Records on 7 December 1966 by type
Record type	Records
Highest daily maximum	216
Lowest daily maximum	22
Highest daily minimum	325
Lowest daily minimum	9
Heaviest daily rainfall	408
Heaviest daily snowfall	58
Deepest snow cover	9

Records on 7 December 1966 by timescale: all-time 0, monthly 85, daily 962.

How Much Records Were Beaten By

894 broken records

Margins by which the 894 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 153.0. Ties are not counted.

Top 20 by Significance

7 December 1966

Top 20 records on 7 December 1966 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
7 December 1966	Windsor, US	monthly rain	114.3 mm (4.5 in)	61.0 mm (2.4 in)	29 years	64 of 100 (Major)
7 December 1966	Minersville, US	daily rain	25.7 mm (1.0 in)	14.8 mm (0.6 in)	48 years	60 of 100 (Major)
7 December 1966	Ames, US	daily rain	43.2 mm (1.7 in)	26.4 mm (1.0 in)	48 years	59 of 100 (Notable)
7 December 1966	Pana, US	monthly rain	77.2 mm (3.0 in)	20.0 mm (0.8 in)	64 years	59 of 100 (Notable)
7 December 1966	Piute Dam, US	daily rain	25.7 mm (1.0 in)	14.8 mm (0.6 in)	48 years	59 of 100 (Notable)
7 December 1966	Cuyamaca, US	daily rain	153.4 mm (6.0 in)	114.8 mm (4.5 in)	40 years	58 of 100 (Notable)
7 December 1966	Barrett Dam, US	daily rain	87.1 mm (3.4 in)	73.6 mm (2.9 in)	40 years	57 of 100 (Notable)
7 December 1966	Port Stanley, CA	daily rain	26.7 mm (1.1 in)	12.2 mm (0.5 in)	82 years	53 of 100 (Notable)
7 December 1966	Descanso Rs, US	daily rain	132.6 mm (5.2 in)	124.7 mm (4.9 in)	23 years	53 of 100 (Notable)
7 December 1966	Eagle Nest, US	daily rain	25.7 mm (1.0 in)	25.7 mm (1.0 in)	33 years	53 of 100 (Notable)
7 December 1966	Fort Cochin, IN	daily rain	91.8 mm (3.6 in)	80.6 mm (3.2 in)	21 years	52 of 100 (Notable)
7 December 1966	Big Bear Lake Dam, US	daily rain	178.1 mm (7.0 in)	150.9 mm (5.9 in)	20 years	51 of 100 (Notable)
7 December 1966	Silverton, US	daily rain	29.5 mm (1.2 in)	18.8 mm (0.7 in)	48 years	50 of 100 (Notable)
7 December 1966	Ft Valley, US	daily rain	46.5 mm (1.8 in)	26.9 mm (1.1 in)	48 years	49 of 100 (Notable)
7 December 1966	Albion, US	daily rain	58.4 mm (2.3 in)	44.4 mm (1.7 in)	9 years	49 of 100 (Notable)
7 December 1966	Delphi 2 N, US	daily rain	63.0 mm (2.5 in)	26.9 mm (1.1 in)	39 years	49 of 100 (Notable)
7 December 1966	Frankfort Disposal, US	daily rain	54.6 mm (2.1 in)	26.4 mm (1.0 in)	39 years	48 of 100 (Notable)
7 December 1966	Tacoma, US	daily rain	35.1 mm (1.4 in)	22.9 mm (0.9 in)	48 years	47 of 100 (Notable)
7 December 1966	Mattoon, US	monthly rain	77.2 mm (3.0 in)	10.9 mm (0.4 in)	64 years	47 of 100 (Notable)
7 December 1966	Leamington, CA	daily rain	40.9 mm (1.6 in)	20.6 mm (0.8 in)	39 years	46 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

1801 to 1966

Records set or tied on this calendar date in each year from 1801 to 1966. 1966 had 1,047 records.

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

Records on 12-07 in each year
Year	Records
1801	1
1805	1
1812	2
1815	1
1825	2
1832	1
1836	1
1839	1
1844	4
1848	3
1852	1
1856	3
1863	1
1866	1
1868	5
1871	5
1875	6
1879	5
1881	1
1884	2
1885	1
1889	1
1890	2
1891	3
1892	1
1893	5
1894	1
1895	1
1896	8
1897	4
1898	10
1899	3
1900	2
1901	9
1902	16
1903	9
1904	7
1905	3
1906	21
1907	4
1908	24
1909	21
1910	26
1911	7
1912	21
1913	19
1914	32
1915	53
1916	36
1917	52
1918	30
1919	38
1920	81
1921	39
1922	272
1923	128
1924	374
1925	119
1926	372
1927	404
1928	105
1929	146
1930	534
1931	180
1932	555
1933	130
1934	274
1935	270
1936	602
1937	890
1938	279
1939	780
1940	145
1941	139
1942	526
1943	199
1944	357
1945	240
1946	855
1947	240
1948	320
1949	187
1950	1,472
1951	1,751
1952	447
1953	673
1954	445
1955	195
1956	1,358
1957	589
1958	831
1959	539
1960	561
1961	206
1962	642
1963	436
1964	467
1965	476
1966	1,047
1967	386
1968	461
1969	952
1970	724
1971	854
1972	2,239
1973	448
1974	508
1975	404
1976	1,037
1977	1,369
1978	1,882
1979	827
1980	1,314
1981	896
1982	542
1983	957
1984	957
1985	922
1986	1,126
1987	866
1988	582
1989	675
1990	744
1991	698
1992	906
1993	544
1994	1,772
1995	912
1996	1,152
1997	818
1998	2,384
1999	674
2000	1,085
2001	743
2002	917
2003	1,184
2004	1,096
2005	1,433
2006	1,246
2007	1,402
2008	833
2009	972
2010	1,405
2011	1,507
2012	643
2013	2,119
2014	479
2015	1,079
2016	389
2017	508
2018	558
2019	447
2020	597
2021	547
2022	579
2023	952
2024	712
2025	665

Download the Data

Data for records on 1966-12-07: 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 20	811
20 to 40	53
40 to 60	13
60 to 80	7
80 to 100	4
100 to 120	2
120 to 140	2
140 to 160	2