Weather Records on 1 December 1966

995 weather records were set or tied worldwide on 1 December 1966. Highest significance: Wilmington, AU.

Key Facts for 1 December 1966

On 1 December 1966, 995 weather records were set or tied at long-record stations worldwide.
134 were record highs and 285 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 68 monthly and 926 daily.
Wilmington set a monthly record daily precipitation of 75.7 mm (3.0 in) on 1 December 1966.
Across 162 earlier years (1797 to 2025) the same calendar date averaged 480 records.

Record Map

995 stations

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

Weather records on 1 December 1966: highest significance records shown on the map
Station	Country	Type	Value	Significance
Wilmington	Australia	Record daily precipitation	75.7 mm (3.0 in)	72 of 100 (Major)
Quorn (Round Hill)	Australia	Record daily precipitation	82.0 mm (3.2 in)	70 of 100 (Major)
Murray Town (Doughboy Creek)	Australia	Record daily precipitation	68.1 mm (2.7 in)	68 of 100 (Major)
Wilmington (Range Vue)	Australia	Record daily precipitation	73.2 mm (2.9 in)	68 of 100 (Major)
Auburn	Australia	Record daily precipitation	36.6 mm (1.4 in)	68 of 100 (Major)
Marrabel	Australia	Record daily precipitation	30.5 mm (1.2 in)	66 of 100 (Major)
Hoyleton	Australia	Record daily precipitation	30.0 mm (1.2 in)	65 of 100 (Major)
Bhatkal	India	Record daily precipitation	87.0 mm (3.4 in)	65 of 100 (Major)
Makrai	India	Record daily precipitation	66.2 mm (2.6 in)	65 of 100 (Major)
Kindsi	India	Record daily precipitation	75.0 mm (3.0 in)	65 of 100 (Major)
Johnburgh Post Office	Australia	Record daily precipitation	51.6 mm (2.0 in)	64 of 100 (Major)
Koolunga	Australia	Record daily precipitation	44.2 mm (1.7 in)	64 of 100 (Major)
Atner	India	Record daily precipitation	56.0 mm (2.2 in)	64 of 100 (Major)
Appila	Australia	Record daily precipitation	60.7 mm (2.4 in)	63 of 100 (Major)
Melrose	Australia	Record daily precipitation	80.0 mm (3.1 in)	63 of 100 (Major)
Hallett	Australia	Record daily precipitation	38.9 mm (1.5 in)	63 of 100 (Major)
Booleroo (Wimont)	Australia	Record daily precipitation	63.5 mm (2.5 in)	62 of 100 (Major)
Mannanarie Post Office	Australia	Record daily precipitation	54.9 mm (2.2 in)	62 of 100 (Major)
Clare Post Office	Australia	Record daily precipitation	39.9 mm (1.6 in)	62 of 100 (Major)
Kapunda	Australia	Record daily precipitation	32.5 mm (1.3 in)	62 of 100 (Major)
Razole(Rajole)	India	Record daily precipitation	78.7 mm (3.1 in)	62 of 100 (Major)
Carrieton	Australia	Record daily precipitation	50.8 mm (2.0 in)	61 of 100 (Major)
Quorn (Olive Grove)	Australia	Record daily precipitation	69.9 mm (2.8 in)	61 of 100 (Major)
Wirrabara Forest	Australia	Record daily precipitation	65.3 mm (2.6 in)	61 of 100 (Major)
Yongala	Australia	Record daily precipitation	46.2 mm (1.8 in)	61 of 100 (Major)
Jamestown	Australia	Record daily precipitation	53.8 mm (2.1 in)	61 of 100 (Major)
Narridy Post Office	Australia	Record daily precipitation	42.4 mm (1.7 in)	61 of 100 (Major)
Redhill	Australia	Record daily precipitation	40.4 mm (1.6 in)	61 of 100 (Major)
Yacka	Australia	Record daily precipitation	43.4 mm (1.7 in)	61 of 100 (Major)
Saddleworth	Australia	Record daily precipitation	30.5 mm (1.2 in)	61 of 100 (Major)
Bruce	Australia	Record daily precipitation	67.6 mm (2.7 in)	60 of 100 (Major)
Crystal Brook	Australia	Record daily precipitation	44.5 mm (1.8 in)	60 of 100 (Major)
Farrell Flat	Australia	Record daily precipitation	38.1 mm (1.5 in)	60 of 100 (Major)
Orroroo (Black Rock)	Australia	Record daily precipitation	45.2 mm (1.8 in)	59 of 100 (Notable)
Mount Bryan	Australia	Record daily precipitation	44.2 mm (1.7 in)	59 of 100 (Notable)
Watervale	Australia	Record daily precipitation	39.1 mm (1.5 in)	59 of 100 (Notable)
Wirrappa	Australia	Record daily precipitation	64.8 mm (2.6 in)	58 of 100 (Notable)
Wynbring Siding (Tar 377 Mile)	Australia	Record daily precipitation	49.5 mm (1.9 in)	58 of 100 (Notable)
Tarcoola (Wilgena Dams)	Australia	Record daily precipitation	50.8 mm (2.0 in)	58 of 100 (Notable)
Port Germein (Telowie)	Australia	Record daily precipitation	46.2 mm (1.8 in)	58 of 100 (Notable)
Pithapuram	India	Record daily precipitation	45.0 mm (1.8 in)	58 of 100 (Notable)
Yaval	India	Record daily precipitation	40.0 mm (1.6 in)	58 of 100 (Notable)
Hawker (Wilson)	Australia	Record daily precipitation	59.4 mm (2.3 in)	57 of 100 (Notable)
Ankola	India	Record daily precipitation	179.0 mm (7.0 in)	57 of 100 (Notable)
Woomera (Arcoona)	Australia	Record daily precipitation	48.5 mm (1.9 in)	56 of 100 (Notable)
Gariabund	India	Record daily precipitation	32.0 mm (1.3 in)	56 of 100 (Notable)
Sinnar	India	Record daily precipitation	26.2 mm (1.0 in)	56 of 100 (Notable)
Port Germein	Australia	Record daily precipitation	47.0 mm (1.9 in)	55 of 100 (Notable)
Port Pirie Nyrstar Comparison	Australia	Record daily precipitation	40.6 mm (1.6 in)	55 of 100 (Notable)
Mundagod	India	Record daily precipitation	61.0 mm (2.4 in)	55 of 100 (Notable)
Tarcoola	Australia	Record daily precipitation	50.8 mm (2.0 in)	54 of 100 (Notable)
Whyalla (Mullaquana)	Australia	Record daily precipitation	32.8 mm (1.3 in)	54 of 100 (Notable)
Quorn	Australia	Record daily precipitation	67.3 mm (2.6 in)	54 of 100 (Notable)
Riverton	Australia	Record daily precipitation	31.0 mm (1.2 in)	54 of 100 (Notable)
Tharsa	India	Record daily precipitation	41.2 mm (1.6 in)	54 of 100 (Notable)
Cradock	Australia	Record daily precipitation	54.9 mm (2.2 in)	53 of 100 (Notable)
Blyth	Australia	Record daily precipitation	35.6 mm (1.4 in)	53 of 100 (Notable)
Caltowie	Australia	Record daily precipitation	58.2 mm (2.3 in)	53 of 100 (Notable)
Port Broughton	Australia	Record daily precipitation	26.2 mm (1.0 in)	53 of 100 (Notable)
Beetaloo Reservoir Old Site	Australia	Record daily precipitation	57.2 mm (2.3 in)	53 of 100 (Notable)

Counts by Type and Timescale

995 records

Records set or tied on 1 December 1966 by type: Highest daily maximum 45, Lowest daily maximum 189, Highest daily minimum 89, Lowest daily minimum 96, Heaviest daily rainfall 492, Heaviest daily snowfall 68, Deepest snow cover 16.

Records on 1 December 1966 by type
Record type	Records
Highest daily maximum	45
Lowest daily maximum	189
Highest daily minimum	89
Lowest daily minimum	96
Heaviest daily rainfall	492
Heaviest daily snowfall	68
Deepest snow cover	16

Records on 1 December 1966 by timescale: all-time 1, monthly 68, daily 926.

How Much Records Were Beaten By

861 broken records

Margins by which the 861 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

1 December 1966

Top 20 records on 1 December 1966 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
1 December 1966	Wilmington, AU	monthly rain	75.7 mm (3.0 in)	34.8 mm (1.4 in)	46 years	72 of 100 (Major)
1 December 1966	Quorn (Round Hill), AU	monthly rain	82.0 mm (3.2 in)	34.0 mm (1.3 in)	42 years	70 of 100 (Major)
1 December 1966	Murray Town (Doughboy Creek), AU	monthly rain	68.1 mm (2.7 in)	22.1 mm (0.9 in)	63 years	68 of 100 (Major)
1 December 1966	Wilmington (Range Vue), AU	monthly rain	73.2 mm (2.9 in)	35.1 mm (1.4 in)	42 years	68 of 100 (Major)
1 December 1966	Auburn, AU	daily rain	36.6 mm (1.4 in)	30.5 mm (1.2 in)	70 years	68 of 100 (Major)
1 December 1966	Marrabel, AU	daily rain	30.5 mm (1.2 in)	24.1 mm (0.9 in)	78 years	66 of 100 (Major)
1 December 1966	Hoyleton, AU	daily rain	30.0 mm (1.2 in)	26.2 mm (1.0 in)	76 years	65 of 100 (Major)
1 December 1966	Bhatkal, IN	daily rain	87.0 mm (3.4 in)	80.4 mm (3.2 in)	64 years	65 of 100 (Major)
1 December 1966	Makrai, IN	monthly rain	66.2 mm (2.6 in)	26.8 mm (1.1 in)	56 years	65 of 100 (Major)
1 December 1966	Kindsi, IN	monthly rain	75.0 mm (3.0 in)	39.4 mm (1.6 in)	36 years	65 of 100 (Major)
1 December 1966	Johnburgh Post Office, AU	daily rain	51.6 mm (2.0 in)	39.7 mm (1.6 in)	55 years	64 of 100 (Major)
1 December 1966	Koolunga, AU	daily rain	44.2 mm (1.7 in)	32.8 mm (1.3 in)	55 years	64 of 100 (Major)
1 December 1966	Atner, IN	daily rain	56.0 mm (2.2 in)	56.0 mm (2.2 in)	60 years	64 of 100 (Major)
1 December 1966	Appila, AU	monthly rain	60.7 mm (2.4 in)	16.8 mm (0.7 in)	79 years	63 of 100 (Major)
1 December 1966	Melrose, AU	monthly rain	80.0 mm (3.1 in)	23.6 mm (0.9 in)	46 years	63 of 100 (Major)
1 December 1966	Hallett, AU	daily rain	38.9 mm (1.5 in)	24.7 mm (1.0 in)	70 years	63 of 100 (Major)
1 December 1966	Booleroo (Wimont), AU	monthly rain	63.5 mm (2.5 in)	22.9 mm (0.9 in)	51 years	62 of 100 (Major)
1 December 1966	Mannanarie Post Office, AU	daily rain	54.9 mm (2.2 in)	42.2 mm (1.7 in)	45 years	62 of 100 (Major)
1 December 1966	Clare Post Office, AU	daily rain	39.9 mm (1.6 in)	28.7 mm (1.1 in)	55 years	62 of 100 (Major)
1 December 1966	Kapunda, AU	daily rain	32.5 mm (1.3 in)	21.1 mm (0.8 in)	70 years	62 of 100 (Major)

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

1797 to 1966

Records set or tied on this calendar date in each year from 1797 to 1966. 1966 had 995 records.

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

Records on 12-01 in each year
Year	Records
1797	1
1805	1
1807	2
1810	1
1817	2
1821	1
1823	2
1831	1
1849	1
1856	3
1857	1
1858	1
1861	1
1863	1
1869	2
1871	1
1872	3
1873	6
1875	8
1876	4
1877	1
1879	7
1884	3
1885	3
1886	1
1887	2
1888	3
1889	2
1890	6
1891	1
1892	2
1893	1
1894	1
1895	4
1896	4
1897	10
1898	5
1899	4
1901	5
1902	7
1903	13
1904	4
1905	11
1906	3
1907	8
1908	40
1909	64
1910	39
1911	45
1912	37
1913	53
1914	142
1915	23
1916	29
1917	52
1918	32
1919	78
1920	192
1921	55
1922	85
1923	70
1924	135
1925	145
1926	115
1927	271
1928	85
1929	515
1930	128
1931	337
1932	383
1933	656
1934	667
1935	164
1936	433
1937	238
1938	159
1939	346
1940	300
1941	391
1942	424
1943	93
1944	478
1945	259
1946	224
1947	392
1948	252
1949	313
1950	437
1951	585
1952	762
1953	283
1954	308
1955	624
1956	338
1957	295
1958	531
1959	355
1960	258
1961	373
1962	1,073
1963	282
1964	1,181
1965	598
1966	995
1967	601
1968	883
1969	673
1970	1,299
1971	574
1972	843
1973	888
1974	1,339
1975	1,007
1976	1,294
1977	1,166
1978	777
1979	874
1980	1,019
1981	1,320
1982	1,759
1983	1,275
1984	513
1985	3,874
1986	803
1987	1,020
1988	538
1989	822
1990	514
1991	2,124
1992	552
1993	597
1994	717
1995	1,386
1996	1,448
1997	736
1998	1,698
1999	790
2000	777
2001	1,211
2002	637
2003	627
2004	1,033
2005	815
2006	2,866
2007	1,427
2008	879
2009	927
2010	1,991
2011	947
2012	1,027
2013	400
2014	677
2015	850
2016	384
2017	496
2018	807
2019	803
2020	567
2021	2,030
2022	584
2023	609
2024	636
2025	679

Download the Data

Data for records on 1966-12-01: 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	691
20 to 40	123
40 to 60	27
60 to 80	11
80 to 100	2
100 to 120	2
120 to 140	3
140 to 160	2