Weather Records on 10 December 1966

991 weather records were set or tied worldwide on 10 December 1966. Highest significance: Walterhall, AU.

Key Facts for 10 December 1966

On 10 December 1966, 991 weather records were set or tied at long-record stations worldwide.
476 were record highs and 95 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 42 monthly and 949 daily.
Walterhall set a daily record precipitation of 165.4 mm (6.5 in) on 10 December 1966.
Across 161 earlier years (1796 to 2025) the same calendar date averaged 445 records.

Record Map

991 stations

991 station records on 10 December 1966 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 10 December 1966: highest significance records shown on the map
Station	Country	Type	Value	Significance
Walterhall	Australia	Record daily precipitation	165.4 mm (6.5 in)	67 of 100 (Major)
Sangola	India	Record daily precipitation	62.0 mm (2.4 in)	61 of 100 (Major)
Toronto	Canada	Record daily precipitation	30.7 mm (1.2 in)	58 of 100 (Notable)
Fichtelberg	Germany	Record daily precipitation	30.6 mm (1.2 in)	57 of 100 (Notable)
Chudleigh Park Station	Australia	Record daily precipitation	66.0 mm (2.6 in)	52 of 100 (Notable)
Kaiserslautern	Germany	Record daily precipitation	28.3 mm (1.1 in)	52 of 100 (Notable)
Kunzelsau	Germany	Record daily precipitation	43.6 mm (1.7 in)	51 of 100 (Notable)
Calton Hills Station	Australia	Record daily precipitation	58.4 mm (2.3 in)	50 of 100 (Notable)
Goovigen Post Office	Australia	Record daily precipitation	112.3 mm (4.4 in)	49 of 100 (Notable)
Tann/Rhon	Germany	Record daily precipitation	30.0 mm (1.2 in)	49 of 100 (Notable)
Rannes Railway Station	Australia	Record daily precipitation	98.0 mm (3.9 in)	48 of 100 (Notable)
Farmland 5 NNW	United States	Record daily precipitation	29.7 mm (1.2 in)	48 of 100 (Notable)
Aachen	Germany	Record daily precipitation	29.0 mm (1.1 in)	47 of 100 (Notable)
Frammersbach	Germany	Record daily precipitation	64.8 mm (2.6 in)	46 of 100 (Notable)
Bonn-Friesdorf	Germany	Record daily precipitation	28.1 mm (1.1 in)	46 of 100 (Notable)
Kenton	United States	Record daily precipitation	25.9 mm (1.0 in)	45 of 100 (Notable)
Nidderau-Windecken	Germany	Record daily precipitation	28.6 mm (1.1 in)	44 of 100 (Notable)
Altastenberg	Germany	Record daily precipitation	42.5 mm (1.7 in)	43 of 100 (Notable)
Apalachicola AP	United States	Record daily precipitation	60.2 mm (2.4 in)	43 of 100 (Notable)
Circleville	United States	Record daily precipitation	32.8 mm (1.3 in)	42 of 100 (Notable)
Mt Clemens Ang Base	United States	Record daily snowfall	19.3 cm (7.6 in)	42 of 100 (Notable)
Bad-Neunkirchen Mergentheim	Germany	Record daily precipitation	25.8 mm (1.0 in)	41 of 100 (Notable)
Seymour 1 WSW	United States	Record daily precipitation	35.6 mm (1.4 in)	41 of 100 (Notable)
Paterson	United States	Record high minimum temperature	12.2 C (54.0 F)	41 of 100 (Notable)
Pembroke Eddy Match	Canada	Record daily snowfall	15.2 cm (6.0 in)	40 of 100 (Notable)
Fladungen-Heufurt	Germany	Record daily precipitation	35.2 mm (1.4 in)	40 of 100 (Notable)
Johnson Exp Farm	United States	Record daily precipitation	43.4 mm (1.7 in)	40 of 100 (Notable)
Petawawa Nat Forestry	Canada	Record daily snowfall	19.6 cm (7.7 in)	39 of 100 (Notable)
Gilserberg-Moischeid	Germany	Record daily precipitation	27.0 mm (1.1 in)	39 of 100 (Notable)
Boschkloof	South Africa	Record daily precipitation	48.5 mm (1.9 in)	39 of 100 (Notable)
Cairo River	United States	Record daily precipitation	42.2 mm (1.7 in)	39 of 100 (Notable)
Petersburg 61 Brg	United States	Record daily precipitation	41.9 mm (1.6 in)	39 of 100 (Notable)
Yale 1 NNW	United States	Record daily snowfall	15.2 cm (6.0 in)	39 of 100 (Notable)
Grafton	United States	Record high maximum temperature	16.7 C (62.1 F)	39 of 100 (Notable)
Griffiss AFB	United States	Record high maximum temperature	21.7 C (71.1 F)	39 of 100 (Notable)
Bajool Post Office	Australia	Record daily precipitation	74.9 mm (2.9 in)	38 of 100 (Notable)
Ellwangen-Rindelbach	Germany	Record daily precipitation	27.3 mm (1.1 in)	38 of 100 (Notable)
Framingham	United States	Record high maximum temperature	21.7 C (71.1 F)	38 of 100 (Notable)
Pelee Island	Canada	Record daily precipitation	28.2 mm (1.1 in)	37 of 100 (Notable)
Morgan 3 NE	United States	Record daily snowfall	8.9 cm (3.5 in)	37 of 100 (Notable)
Budingen	Germany	Record daily precipitation	30.8 mm (1.2 in)	36 of 100 (Notable)
Berne Wwtp	United States	Record daily snowfall	12.7 cm (5.0 in)	36 of 100 (Notable)
Little Hickman Lock 8	United States	Record daily precipitation	52.1 mm (2.1 in)	36 of 100 (Notable)
Blue Hill Coop	United States	Record high maximum temperature	20.0 C (68.0 F)	36 of 100 (Notable)
Ann Arbor U of Mich	United States	Record daily snowfall	15.2 cm (6.0 in)	36 of 100 (Notable)
Oran-Hopital Militaire	Algeria	Record low minimum temperature	1.0 C (33.8 F)	35 of 100 (Notable)
Jambin Post Office	Australia	Record daily precipitation	63.5 mm (2.5 in)	35 of 100 (Notable)
Ibimirim (Jeritaco)	Brazil	Record daily precipitation	60.0 mm (2.4 in)	35 of 100 (Notable)
Richmond	United States	Record daily precipitation	61.2 mm (2.4 in)	35 of 100 (Notable)
Gargett Post Office	Australia	Record daily precipitation	112.3 mm (4.4 in)	34 of 100 (Routine)
Barrage Cabonga	Canada	Record daily snowfall	22.4 cm (8.8 in)	34 of 100 (Routine)
Bad Bruckenau (A)	Germany	Record daily precipitation	31.1 mm (1.2 in)	34 of 100 (Routine)
College Park	United States	Record high minimum temperature	13.9 C (57.0 F)	34 of 100 (Routine)
Normandin Cda	Canada	Record daily snowfall	24.9 cm (9.8 in)	33 of 100 (Routine)
Shoals 8 S	United States	Record daily precipitation	38.4 mm (1.5 in)	33 of 100 (Routine)
Lake Placid 2 S	United States	Record high maximum temperature	15.6 C (60.1 F)	33 of 100 (Routine)
Bennington 2 NNW	United States	Record high maximum temperature	18.9 C (66.0 F)	33 of 100 (Routine)
Mirani Post Office	Australia	Record daily precipitation	104.1 mm (4.1 in)	32 of 100 (Routine)
Heidenheim/Brenz	Germany	Record daily precipitation	32.5 mm (1.3 in)	32 of 100 (Routine)
Neukirchen-Hauptschwenda	Germany	Record daily precipitation	25.6 mm (1.0 in)	32 of 100 (Routine)

Counts by Type and Timescale

991 records

Records set or tied on 10 December 1966 by type: Highest daily maximum 205, Lowest daily maximum 28, Highest daily minimum 271, Lowest daily minimum 67, Heaviest daily rainfall 361, Heaviest daily snowfall 50, Deepest snow cover 9.

Records on 10 December 1966 by type
Record type	Records
Highest daily maximum	205
Lowest daily maximum	28
Highest daily minimum	271
Lowest daily minimum	67
Heaviest daily rainfall	361
Heaviest daily snowfall	50
Deepest snow cover	9

Records on 10 December 1966 by timescale: all-time 0, monthly 42, daily 949.

How Much Records Were Beaten By

844 broken records

Margins by which the 844 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 152.0. Ties are not counted.

Top 20 by Significance

10 December 1966

Top 20 records on 10 December 1966 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
10 December 1966	Walterhall, AU	daily rain	165.4 mm (6.5 in)	137.5 mm (5.4 in)	68 years	67 of 100 (Major)
10 December 1966	Sangola, IN	daily rain	62.0 mm (2.4 in)	55.9 mm (2.2 in)	64 years	61 of 100 (Major)
10 December 1966	Toronto, CA	daily rain	30.7 mm (1.2 in)	13.7 mm (0.5 in)	86 years	58 of 100 (Notable)
10 December 1966	Fichtelberg, DE	daily rain	30.6 mm (1.2 in)	21.0 mm (0.8 in)	36 years	57 of 100 (Notable)
10 December 1966	Chudleigh Park Station, AU	daily rain	66.0 mm (2.6 in)	59.1 mm (2.3 in)	37 years	52 of 100 (Notable)
10 December 1966	Kaiserslautern, DE	daily rain	28.3 mm (1.1 in)	13.2 mm (0.5 in)	57 years	52 of 100 (Notable)
10 December 1966	Kunzelsau, DE	daily rain	43.6 mm (1.7 in)	24.2 mm (1.0 in)	11 years	51 of 100 (Notable)
10 December 1966	Calton Hills Station, AU	daily rain	58.4 mm (2.3 in)	51.5 mm (2.0 in)	44 years	50 of 100 (Notable)
10 December 1966	Goovigen Post Office, AU	daily rain	112.3 mm (4.4 in)	85.4 mm (3.4 in)	21 years	49 of 100 (Notable)
10 December 1966	Tann/Rhon, DE	daily rain	30.0 mm (1.2 in)	22.5 mm (0.9 in)	21 years	49 of 100 (Notable)
10 December 1966	Rannes Railway Station, AU	daily rain	98.0 mm (3.9 in)	76.9 mm (3.0 in)	19 years	48 of 100 (Notable)
10 December 1966	Farmland 5 NNW, US	daily rain	29.7 mm (1.2 in)	17.5 mm (0.7 in)	64 years	48 of 100 (Notable)
10 December 1966	Aachen, DE	daily rain	29.0 mm (1.1 in)	13.9 mm (0.5 in)	32 years	47 of 100 (Notable)
10 December 1966	Frammersbach, DE	daily rain	64.8 mm (2.6 in)	43.9 mm (1.7 in)	11 years	46 of 100 (Notable)
10 December 1966	Bonn-Friesdorf, DE	daily rain	28.1 mm (1.1 in)	13.0 mm (0.5 in)	25 years	46 of 100 (Notable)
10 December 1966	Kenton, US	daily rain	25.9 mm (1.0 in)	11.9 mm (0.5 in)	71 years	45 of 100 (Notable)
10 December 1966	Nidderau-Windecken, DE	daily rain	28.6 mm (1.1 in)	18.7 mm (0.7 in)	4 years	44 of 100 (Notable)
10 December 1966	Altastenberg, DE	daily rain	42.5 mm (1.7 in)	13.6 mm (0.5 in)	52 years	43 of 100 (Notable)
10 December 1966	Apalachicola AP, US	daily rain	60.2 mm (2.4 in)	52.6 mm (2.1 in)	8 years	43 of 100 (Notable)
10 December 1966	Circleville, US	daily rain	32.8 mm (1.3 in)	14.3 mm (0.6 in)	60 years	42 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

1796 to 1966

Records set or tied on this calendar date in each year from 1796 to 1966. 1966 had 991 records.

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

Records on 12-10 in each year
Year	Records
1796	1
1812	2
1815	1
1816	1
1825	2
1841	1
1844	1
1848	1
1849	1
1852	2
1855	1
1856	1
1860	1
1867	2
1869	1
1870	1
1871	1
1872	1
1873	2
1875	1
1876	4
1877	1
1878	3
1879	10
1880	2
1882	2
1884	1
1886	1
1889	1
1891	17
1893	2
1894	2
1895	4
1897	1
1898	4
1899	4
1900	1
1901	5
1902	8
1903	7
1904	15
1905	18
1906	15
1907	29
1908	11
1909	16
1910	47
1911	35
1912	23
1913	21
1914	35
1915	123
1916	89
1917	76
1918	30
1919	80
1920	186
1921	52
1922	157
1923	121
1924	64
1925	83
1926	106
1927	202
1928	131
1929	250
1930	141
1931	318
1932	511
1933	265
1934	331
1935	194
1936	178
1937	449
1938	272
1939	924
1940	163
1941	249
1942	282
1943	504
1944	431
1945	193
1946	1,073
1947	378
1948	174
1949	536
1950	336
1951	582
1952	633
1953	408
1954	336
1955	385
1956	455
1957	449
1958	751
1959	205
1960	390
1961	878
1962	405
1963	511
1964	447
1965	843
1966	991
1967	829
1968	576
1969	423
1970	1,338
1971	1,646
1972	1,858
1973	453
1974	372
1975	688
1976	376
1977	1,370
1978	1,299
1979	1,378
1980	531
1981	1,035
1982	748
1983	685
1984	605
1985	1,421
1986	601
1987	803
1988	599
1989	787
1990	935
1991	940
1992	795
1993	754
1994	940
1995	1,758
1996	1,193
1997	1,198
1998	709
1999	568
2000	882
2001	460
2002	1,030
2003	1,086
2004	1,247
2005	833
2006	998
2007	1,202
2008	1,083
2009	1,354
2010	1,424
2011	362
2012	825
2013	1,010
2014	602
2015	1,166
2016	858
2017	719
2018	500
2019	572
2020	567
2021	934
2022	570
2023	926
2024	477
2025	1,969

Download the Data

Data for records on 1966-12-10: 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	776
20 to 40	43
40 to 60	11
60 to 80	4
80 to 100	3
100 to 120	2
120 to 140	3
140 to 160	2