Weather Records on 3 December 1966

1,076 weather records were set or tied worldwide on 3 December 1966. Highest significance: Tumby Bay, AU.

Key Facts for 3 December 1966

On 3 December 1966, 1,076 weather records were set or tied at long-record stations worldwide.
138 were record highs and 413 were record lows, counting maximum and minimum temperature.
By timescale, 4 were all-time records, 37 monthly and 1,035 daily.
Tumby Bay set a monthly record daily precipitation of 67.3 mm (2.6 in) on 3 December 1966.
Across 163 earlier years (1793 to 2025) the same calendar date averaged 463 records.

Record Map

1,076 stations

1,076 station records on 3 December 1966 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 3 December 1966: highest significance records shown on the map
Station	Country	Type	Value	Significance
Tumby Bay	Australia	Record daily precipitation	67.3 mm (2.6 in)	67 of 100 (Major)
Tumby Bay (Warratta Vale)	Australia	Record daily precipitation	80.5 mm (3.2 in)	67 of 100 (Major)
Stokes	Australia	Record daily precipitation	58.9 mm (2.3 in)	63 of 100 (Major)
Tumby Bay (Hillview)	Australia	Record daily precipitation	74.2 mm (2.9 in)	63 of 100 (Major)
Ceduna Post Office	Australia	Record daily precipitation	36.6 mm (1.4 in)	62 of 100 (Major)
Coulta	Australia	Record daily precipitation	41.7 mm (1.6 in)	61 of 100 (Major)
Butler (Anona)	Australia	Record daily precipitation	44.2 mm (1.7 in)	61 of 100 (Major)
Cowell	Australia	Record daily precipitation	26.9 mm (1.1 in)	59 of 100 (Notable)
Ceduna (Koonibba Reserve)	Australia	Record daily precipitation	33.0 mm (1.3 in)	57 of 100 (Notable)
Western River	Australia	Record daily precipitation	46.0 mm (1.8 in)	56 of 100 (Notable)
Warooka	Australia	Record daily precipitation	27.7 mm (1.1 in)	55 of 100 (Notable)
Koppio	Australia	Record daily precipitation	57.9 mm (2.3 in)	54 of 100 (Notable)
Lock (Terre)	Australia	Record daily precipitation	36.3 mm (1.4 in)	54 of 100 (Notable)
Port Lincoln (Westmere)	Australia	Record daily precipitation	49.0 mm (1.9 in)	54 of 100 (Notable)
Riverside Fire STN 3	United States	Record daily precipitation	52.8 mm (2.1 in)	54 of 100 (Notable)
Lock	Australia	Record daily precipitation	50.0 mm (2.0 in)	53 of 100 (Notable)
Sheringa	Australia	Record daily precipitation	31.2 mm (1.2 in)	53 of 100 (Notable)
Gemsbokfontein	South Africa	Record daily precipitation	99.5 mm (3.9 in)	53 of 100 (Notable)
Newport Beach Harbor	United States	Record daily precipitation	45.5 mm (1.8 in)	53 of 100 (Notable)
Redlands	United States	Record daily precipitation	54.1 mm (2.1 in)	53 of 100 (Notable)
San Bernardino F S 226	United States	Record daily precipitation	68.1 mm (2.7 in)	53 of 100 (Notable)
San Antonio Cn Mouth	United States	Record daily precipitation	176.3 mm (6.9 in)	52 of 100 (Notable)
Ceduna (Maltee)	Australia	Record daily precipitation	41.9 mm (1.6 in)	51 of 100 (Notable)
Mount Hope	Australia	Record daily precipitation	61.7 mm (2.4 in)	51 of 100 (Notable)
Begumpet Obsy	India	Record daily precipitation	27.0 mm (1.1 in)	51 of 100 (Notable)
Minlaton	Australia	Record daily precipitation	28.2 mm (1.1 in)	50 of 100 (Notable)
Cape Borda Comparison	Australia	Record daily precipitation	45.0 mm (1.8 in)	50 of 100 (Notable)
Big Dalton Dam Fc223C	United States	Record daily precipitation	152.4 mm (6.0 in)	50 of 100 (Notable)
Nonning	Australia	Record daily precipitation	39.9 mm (1.6 in)	49 of 100 (Notable)
Shaunavon	Canada	Record daily snowfall	7.6 cm (3.0 in)	49 of 100 (Notable)
Kappawanta	Australia	Record daily precipitation	50.8 mm (2.0 in)	48 of 100 (Notable)
Port Neill	Australia	Record daily precipitation	33.0 mm (1.3 in)	48 of 100 (Notable)
Pomona/Fairplex	United States	Record daily precipitation	66.3 mm (2.6 in)	48 of 100 (Notable)
San Gabriel Canyon Ph	United States	Record daily precipitation	117.6 mm (4.6 in)	48 of 100 (Notable)
San Jacinto	United States	Record daily precipitation	54.6 mm (2.1 in)	48 of 100 (Notable)
Bramfield Post Office	Australia	Record daily precipitation	34.0 mm (1.3 in)	47 of 100 (Notable)
Yeelana (Brimpton Lake)	Australia	Record daily precipitation	74.7 mm (2.9 in)	47 of 100 (Notable)
Port Lincoln	Australia	Record daily precipitation	59.4 mm (2.3 in)	47 of 100 (Notable)
Siam	Australia	Record daily precipitation	32.0 mm (1.3 in)	47 of 100 (Notable)
Bhongir	India	Record daily precipitation	60.6 mm (2.4 in)	47 of 100 (Notable)
Big Pines Park Fc83B	United States	Record daily precipitation	99.6 mm (3.9 in)	47 of 100 (Notable)
Port Lincoln (Woolga)	Australia	Record daily precipitation	46.7 mm (1.8 in)	46 of 100 (Notable)
Korf	Russia	Record daily precipitation	27.4 mm (1.1 in)	46 of 100 (Notable)
Santa Ana Fire STN	United States	Record daily precipitation	60.5 mm (2.4 in)	46 of 100 (Notable)
Searchlight	United States	Record daily precipitation	32.8 mm (1.3 in)	46 of 100 (Notable)
Blinman (Wirrealpa)	Australia	Record daily precipitation	30.0 mm (1.2 in)	45 of 100 (Notable)
Yeelana (Brooker)	Australia	Record daily precipitation	68.8 mm (2.7 in)	45 of 100 (Notable)
Cleve (Pineside)	Australia	Record daily precipitation	37.8 mm (1.5 in)	45 of 100 (Notable)
Pondooma Post Office	Australia	Record daily precipitation	27.9 mm (1.1 in)	45 of 100 (Notable)
Smoky Bay (Puntabie)	Australia	Record daily precipitation	31.2 mm (1.2 in)	45 of 100 (Notable)
Heartsease	South Africa	Record daily precipitation	77.0 mm (3.0 in)	45 of 100 (Notable)
Laguna Beach	United States	Record daily precipitation	57.2 mm (2.3 in)	45 of 100 (Notable)
Squirrel Inn 2	United States	Record daily precipitation	182.9 mm (7.2 in)	44 of 100 (Notable)
Yorba Linda	United States	Record daily precipitation	62.5 mm (2.5 in)	44 of 100 (Notable)
Arno Bay	Australia	Record daily precipitation	34.0 mm (1.3 in)	43 of 100 (Notable)
High Point	Canada	Record daily snowfall	15.2 cm (6.0 in)	43 of 100 (Notable)
Altadena	United States	Record daily precipitation	89.4 mm (3.5 in)	43 of 100 (Notable)
Arroyo Seco Rng STN Fc	United States	Record daily precipitation	111.8 mm (4.4 in)	43 of 100 (Notable)
Murrays Lagoon (Bayside)	Australia	Record daily precipitation	29.7 mm (1.2 in)	42 of 100 (Notable)
Toronto	Canada	Record low maximum temperature	-9.4 C (15.1 F)	42 of 100 (Notable)

Counts by Type and Timescale

1,076 records

Records set or tied on 3 December 1966 by type: Highest daily maximum 21, Lowest daily maximum 262, Highest daily minimum 117, Lowest daily minimum 151, Heaviest daily rainfall 438, Heaviest daily snowfall 58, Deepest snow cover 29.

Records on 3 December 1966 by type
Record type	Records
Highest daily maximum	21
Lowest daily maximum	262
Highest daily minimum	117
Lowest daily minimum	151
Heaviest daily rainfall	438
Heaviest daily snowfall	58
Deepest snow cover	29

Records on 3 December 1966 by timescale: all-time 4, monthly 37, daily 1,035.

How Much Records Were Beaten By

916 broken records

Margins by which the 916 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 178.0. Ties are not counted.

Top 20 by Significance

3 December 1966

Top 20 records on 3 December 1966 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
3 December 1966	Tumby Bay, AU	monthly rain	67.3 mm (2.6 in)	33.5 mm (1.3 in)	39 years	67 of 100 (Major)
3 December 1966	Tumby Bay (Warratta Vale), AU	monthly rain	80.5 mm (3.2 in)	44.9 mm (1.8 in)	29 years	67 of 100 (Major)
3 December 1966	Stokes, AU	monthly rain	58.9 mm (2.3 in)	27.1 mm (1.1 in)	20 years	63 of 100 (Major)
3 December 1966	Tumby Bay (Hillview), AU	monthly rain	74.2 mm (2.9 in)	36.1 mm (1.4 in)	20 years	63 of 100 (Major)
3 December 1966	Ceduna Post Office, AU	daily rain	36.6 mm (1.4 in)	28.5 mm (1.1 in)	53 years	62 of 100 (Major)
3 December 1966	Coulta, AU	daily rain	41.7 mm (1.6 in)	31.8 mm (1.3 in)	44 years	61 of 100 (Major)
3 December 1966	Butler (Anona), AU	daily rain	44.2 mm (1.7 in)	38.6 mm (1.5 in)	53 years	61 of 100 (Major)
3 December 1966	Cowell, AU	daily rain	26.9 mm (1.1 in)	19.3 mm (0.8 in)	44 years	59 of 100 (Notable)
3 December 1966	Ceduna (Koonibba Reserve), AU	daily rain	33.0 mm (1.3 in)	27.9 mm (1.1 in)	44 years	57 of 100 (Notable)
3 December 1966	Western River, AU	monthly rain	46.0 mm (1.8 in)	26.4 mm (1.0 in)	11 years	56 of 100 (Notable)
3 December 1966	Warooka, AU	daily rain	27.7 mm (1.1 in)	16.8 mm (0.7 in)	53 years	55 of 100 (Notable)
3 December 1966	Koppio, AU	monthly rain	57.9 mm (2.3 in)	18.0 mm (0.7 in)	30 years	54 of 100 (Notable)
3 December 1966	Lock (Terre), AU	daily rain	36.3 mm (1.4 in)	29.9 mm (1.2 in)	29 years	54 of 100 (Notable)
3 December 1966	Port Lincoln (Westmere), AU	daily rain	49.0 mm (1.9 in)	33.5 mm (1.3 in)	29 years	54 of 100 (Notable)
3 December 1966	Riverside Fire STN 3, US	daily rain	52.8 mm (2.1 in)	40.6 mm (1.6 in)	37 years	54 of 100 (Notable)
3 December 1966	Lock, AU	daily rain	50.0 mm (2.0 in)	40.6 mm (1.6 in)	29 years	53 of 100 (Notable)
3 December 1966	Sheringa, AU	daily rain	31.2 mm (1.2 in)	24.1 mm (0.9 in)	29 years	53 of 100 (Notable)
3 December 1966	Gemsbokfontein, ZA	daily rain	99.5 mm (3.9 in)	62.2 mm (2.4 in)	27 years	53 of 100 (Notable)
3 December 1966	Newport Beach Harbor, US	daily rain	45.5 mm (1.8 in)	39.9 mm (1.6 in)	40 years	53 of 100 (Notable)
3 December 1966	Redlands, US	daily rain	54.1 mm (2.1 in)	33.8 mm (1.3 in)	57 years	53 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 1,076 records.

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

Records on 12-03 in each year
Year	Records
1793	1
1796	1
1797	1
1801	1
1807	1
1810	1
1816	1
1828	1
1829	2
1831	1
1832	1
1846	1
1853	1
1855	3
1856	4
1866	2
1867	1
1869	4
1870	2
1872	3
1873	1
1875	4
1876	3
1879	8
1882	3
1886	1
1887	2
1888	3
1890	2
1891	3
1892	4
1893	1
1894	1
1895	4
1896	2
1897	4
1898	2
1899	4
1900	4
1901	9
1902	13
1903	9
1904	5
1905	33
1906	23
1907	2
1908	4
1909	45
1910	8
1911	12
1912	23
1913	66
1914	74
1915	19
1916	153
1917	34
1918	29
1919	88
1920	44
1921	128
1922	68
1923	58
1924	89
1925	152
1926	189
1927	247
1928	79
1929	651
1930	131
1931	352
1932	528
1933	486
1934	270
1935	267
1936	379
1937	284
1938	347
1939	443
1940	1,023
1941	1,141
1942	595
1943	290
1944	284
1945	194
1946	443
1947	814
1948	419
1949	177
1950	689
1951	881
1952	242
1953	804
1954	493
1955	763
1956	679
1957	211
1958	583
1959	372
1960	577
1961	342
1962	923
1963	331
1964	824
1965	308
1966	1,076
1967	859
1968	646
1969	395
1970	1,247
1971	999
1972	890
1973	778
1974	661
1975	638
1976	1,315
1977	681
1978	1,406
1979	959
1980	1,128
1981	644
1982	3,010
1983	1,255
1984	645
1985	2,305
1986	801
1987	682
1988	672
1989	1,064
1990	1,178
1991	1,521
1992	776
1993	670
1994	664
1995	725
1996	694
1997	854
1998	1,969
1999	982
2000	759
2001	604
2002	977
2003	519
2004	739
2005	1,140
2006	1,167
2007	793
2008	804
2009	1,124
2010	1,879
2011	852
2012	1,355
2013	799
2014	510
2015	533
2016	347
2017	669
2018	1,043
2019	490
2020	409
2021	1,364
2022	448
2023	810
2024	709
2025	578

Download the Data

Data for records on 1966-12-03: 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 2026-10-18. Last revised 18 October 2026 (2026-10-18).

Margin	Records
0 to 25	805
25 to 50	69
50 to 75	13
75 to 100	10
100 to 125	7
125 to 150	5
150 to 175	5
175 to 200	2