Weather Records on 5 December 1966

1,038 weather records were set or tied worldwide on 5 December 1966. Highest significance: Macedon Forestry, AU.

Key Facts for 5 December 1966

On 5 December 1966, 1,038 weather records were set or tied at long-record stations worldwide.
183 were record highs and 202 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 36 monthly and 1,001 daily.
Macedon Forestry set a daily record precipitation of 57.7 mm (2.3 in) on 5 December 1966.
Across 170 earlier years (1796 to 2025) the same calendar date averaged 472 records.

Record Map

1,038 stations

1,038 station records on 5 December 1966 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 5 December 1966: highest significance records shown on the map
Station	Country	Type	Value	Significance
Macedon Forestry	Australia	Record daily precipitation	57.7 mm (2.3 in)	70 of 100 (Major)
Gabo Island Lighthouse	Australia	Record daily precipitation	61.0 mm (2.4 in)	68 of 100 (Major)
Birdwood	Australia	Record daily precipitation	58.2 mm (2.3 in)	64 of 100 (Major)
Rankins Springs	Australia	Record daily precipitation	53.3 mm (2.1 in)	64 of 100 (Major)
Myrniong	Australia	Record daily precipitation	51.3 mm (2.0 in)	63 of 100 (Major)
Avalon Pleasure Pier	United States	Record daily precipitation	149.6 mm (5.9 in)	63 of 100 (Major)
St Arnaud (Coonooer Bridge)	Australia	Record daily precipitation	43.2 mm (1.7 in)	62 of 100 (Major)
Dookie Agricultural College	Australia	Record daily precipitation	46.5 mm (1.8 in)	60 of 100 (Major)
Strathbogie North	Australia	Record daily precipitation	75.2 mm (3.0 in)	59 of 100 (Notable)
Escondido	United States	Record daily precipitation	90.9 mm (3.6 in)	59 of 100 (Notable)
Mundarlo (Yabtree)	Australia	Record daily precipitation	37.3 mm (1.5 in)	57 of 100 (Notable)
Gisborne	Australia	Record daily precipitation	49.3 mm (1.9 in)	55 of 100 (Notable)
Seymour Shire Depot	Australia	Record daily precipitation	46.5 mm (1.8 in)	55 of 100 (Notable)
Cape St James	Canada	Record daily snowfall	8.4 cm (3.3 in)	54 of 100 (Notable)
Mackay Lost Rvr Rs	United States	Record daily snowfall	35.6 cm (14.0 in)	53 of 100 (Notable)
Yalgogrin North (Roloma)	Australia	Record daily precipitation	42.4 mm (1.7 in)	52 of 100 (Notable)
Shepparton East	Australia	Record daily precipitation	37.8 mm (1.5 in)	52 of 100 (Notable)
Lake Bolac (Post Office)	Australia	Record daily precipitation	31.8 mm (1.3 in)	52 of 100 (Notable)
Whitfield	Australia	Record daily precipitation	62.2 mm (2.4 in)	51 of 100 (Notable)
Mackay Lost Rvr Rs	United States	Record daily precipitation	27.4 mm (1.1 in)	51 of 100 (Notable)
Pioche	United States	Record daily precipitation	76.7 mm (3.0 in)	51 of 100 (Notable)
McCall	United States	Record daily precipitation	37.3 mm (1.5 in)	50 of 100 (Notable)
New Meadows Rs	United States	Record daily precipitation	40.9 mm (1.6 in)	50 of 100 (Notable)
Lima East	Australia	Record daily precipitation	61.2 mm (2.4 in)	49 of 100 (Notable)
Norway House	Canada	Record daily snowfall	17.3 cm (6.8 in)	49 of 100 (Notable)
Hanford 1 S	United States	Record daily precipitation	30.2 mm (1.2 in)	49 of 100 (Notable)
Wells	United States	Record daily precipitation	27.2 mm (1.1 in)	49 of 100 (Notable)
Baddaginnie	Australia	Record daily precipitation	54.6 mm (2.1 in)	48 of 100 (Notable)
Barunah Plains	Australia	Record daily precipitation	33.8 mm (1.3 in)	48 of 100 (Notable)
Moyhu	Australia	Record daily precipitation	88.9 mm (3.5 in)	47 of 100 (Notable)
Alberton Post Office	Australia	Record daily precipitation	46.5 mm (1.8 in)	47 of 100 (Notable)
Lemon Cove	United States	Record daily precipitation	55.9 mm (2.2 in)	47 of 100 (Notable)
Balranald (Tillara)	Australia	Record daily precipitation	34.5 mm (1.4 in)	46 of 100 (Notable)
Puckapunyal	Australia	Record daily precipitation	50.8 mm (2.0 in)	46 of 100 (Notable)
Palacode	India	Record daily precipitation	50.0 mm (2.0 in)	46 of 100 (Notable)
Netherton (the Glen)	Australia	Record daily precipitation	38.1 mm (1.5 in)	45 of 100 (Notable)
Robinvale (Kyndalyn Park)	Australia	Record daily precipitation	33.0 mm (1.3 in)	45 of 100 (Notable)
Benalla (Shadforth Street)	Australia	Record daily precipitation	64.5 mm (2.5 in)	45 of 100 (Notable)
Ellerslie Post Office	Australia	Record daily precipitation	42.4 mm (1.7 in)	45 of 100 (Notable)
Long Beach Pub Svc	United States	Record daily precipitation	73.2 mm (2.9 in)	45 of 100 (Notable)
Illabo (Clock Museum)	Australia	Record daily precipitation	31.8 mm (1.3 in)	44 of 100 (Notable)
Nagambie (Goulburn Weir)	Australia	Record daily precipitation	41.9 mm (1.6 in)	44 of 100 (Notable)
Vancouver 4 NNE	United States	Record daily precipitation	48.3 mm (1.9 in)	44 of 100 (Notable)
Alawoona (Schells Well)	Australia	Record daily precipitation	26.4 mm (1.0 in)	43 of 100 (Notable)
Dingee	Australia	Record daily precipitation	43.9 mm (1.7 in)	43 of 100 (Notable)
Tallangatta (Bullioh)	Australia	Record daily precipitation	64.8 mm (2.6 in)	43 of 100 (Notable)
Moorabool Reservoir	Australia	Record daily precipitation	40.6 mm (1.6 in)	43 of 100 (Notable)
Brucefield	Canada	Record daily precipitation	35.8 mm (1.4 in)	43 of 100 (Notable)
Weaverville	United States	Record daily precipitation	74.9 mm (2.9 in)	43 of 100 (Notable)
Robe Comparison	Australia	Record daily precipitation	25.9 mm (1.0 in)	42 of 100 (Notable)
Lawloit	Australia	Record daily precipitation	37.6 mm (1.5 in)	42 of 100 (Notable)
Blackwood	Australia	Record daily precipitation	35.6 mm (1.4 in)	42 of 100 (Notable)
Pomona/Fairplex	United States	Record daily precipitation	70.9 mm (2.8 in)	42 of 100 (Notable)
Rock Creek	United States	Record daily precipitation	28.7 mm (1.1 in)	42 of 100 (Notable)
Jindera (Wadilock)	Australia	Record daily precipitation	48.0 mm (1.9 in)	41 of 100 (Notable)
Wilby	Australia	Record daily precipitation	44.5 mm (1.8 in)	41 of 100 (Notable)
Everton	Australia	Record daily precipitation	35.8 mm (1.4 in)	41 of 100 (Notable)
Warrenbayne (Baddaginnie)	Australia	Record daily precipitation	45.0 mm (1.8 in)	41 of 100 (Notable)
Balliang East (Chesney)	Australia	Record daily precipitation	34.5 mm (1.4 in)	41 of 100 (Notable)
Mount Towrong	Australia	Record daily precipitation	49.0 mm (1.9 in)	41 of 100 (Notable)

Counts by Type and Timescale

1,038 records

Records set or tied on 5 December 1966 by type: Highest daily maximum 24, Lowest daily maximum 103, Highest daily minimum 159, Lowest daily minimum 99, Heaviest daily rainfall 579, Heaviest daily snowfall 56, Deepest snow cover 18.

Records on 5 December 1966 by type
Record type	Records
Highest daily maximum	24
Lowest daily maximum	103
Highest daily minimum	159
Lowest daily minimum	99
Heaviest daily rainfall	579
Heaviest daily snowfall	56
Deepest snow cover	18

Records on 5 December 1966 by timescale: all-time 1, monthly 36, daily 1,001.

How Much Records Were Beaten By

922 broken records

Margins by which the 922 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 228.0. Ties are not counted.

Top 20 by Significance

5 December 1966

Top 20 records on 5 December 1966 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
5 December 1966	Macedon Forestry, AU	daily rain	57.7 mm (2.3 in)	44.2 mm (1.7 in)	70 years	70 of 100 (Major)
5 December 1966	Gabo Island Lighthouse, AU	daily rain	61.0 mm (2.4 in)	40.7 mm (1.6 in)	60 years	68 of 100 (Major)
5 December 1966	Birdwood, AU	daily rain	58.2 mm (2.3 in)	44.2 mm (1.7 in)	55 years	64 of 100 (Major)
5 December 1966	Rankins Springs, AU	daily rain	53.3 mm (2.1 in)	45.2 mm (1.8 in)	53 years	64 of 100 (Major)
5 December 1966	Myrniong, AU	daily rain	51.3 mm (2.0 in)	34.8 mm (1.4 in)	55 years	63 of 100 (Major)
5 December 1966	Avalon Pleasure Pier, US	monthly rain	149.6 mm (5.9 in)	65.5 mm (2.6 in)	29 years	63 of 100 (Major)
5 December 1966	St Arnaud (Coonooer Bridge), AU	daily rain	43.2 mm (1.7 in)	27.2 mm (1.1 in)	55 years	62 of 100 (Major)
5 December 1966	Dookie Agricultural College, AU	daily rain	46.5 mm (1.8 in)	33.8 mm (1.3 in)	43 years	60 of 100 (Major)
5 December 1966	Strathbogie North, AU	daily rain	75.2 mm (3.0 in)	39.6 mm (1.6 in)	79 years	59 of 100 (Notable)
5 December 1966	Escondido, US	daily rain	90.9 mm (3.6 in)	55.6 mm (2.2 in)	56 years	59 of 100 (Notable)
5 December 1966	Mundarlo (Yabtree), AU	daily rain	37.3 mm (1.5 in)	25.1 mm (1.0 in)	79 years	57 of 100 (Notable)
5 December 1966	Gisborne, AU	daily rain	49.3 mm (1.9 in)	34.6 mm (1.4 in)	24 years	55 of 100 (Notable)
5 December 1966	Seymour Shire Depot, AU	daily rain	46.5 mm (1.8 in)	39.9 mm (1.6 in)	24 years	55 of 100 (Notable)
5 December 1966	Cape St James, CA	daily snowfall	8.4 cm (3.3 in)	8.4 cm (3.3 in)	40 years	54 of 100 (Notable)
5 December 1966	Mackay Lost Rvr Rs, US	daily snowfall	35.6 cm (14.0 in)	20.4 cm (8.0 in)	49 years	53 of 100 (Notable)
5 December 1966	Yalgogrin North (Roloma), AU	daily rain	42.4 mm (1.7 in)	34.5 mm (1.4 in)	35 years	52 of 100 (Notable)
5 December 1966	Shepparton East, AU	daily rain	37.8 mm (1.5 in)	30.2 mm (1.2 in)	36 years	52 of 100 (Notable)
5 December 1966	Lake Bolac (Post Office), AU	daily rain	31.8 mm (1.3 in)	26.0 mm (1.0 in)	24 years	52 of 100 (Notable)
5 December 1966	Whitfield, AU	daily rain	62.2 mm (2.4 in)	41.4 mm (1.6 in)	48 years	51 of 100 (Notable)
5 December 1966	Mackay Lost Rvr Rs, US	daily rain	27.4 mm (1.1 in)	20.8 mm (0.8 in)	20 years	51 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 1,038 records.

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

Records on 12-05 in each year
Year	Records
1796	1
1797	2
1808	1
1812	1
1820	1
1823	1
1824	1
1825	2
1827	1
1829	3
1833	2
1841	1
1842	1
1844	2
1846	2
1852	1
1853	1
1856	4
1859	1
1863	1
1866	2
1867	4
1868	4
1869	1
1870	1
1871	1
1872	1
1874	1
1875	2
1876	1
1877	2
1878	1
1879	3
1880	1
1884	1
1885	2
1886	2
1888	3
1891	5
1892	2
1893	1
1895	13
1896	1
1897	1
1898	7
1900	11
1901	1
1902	13
1903	8
1904	4
1905	4
1906	15
1907	6
1908	7
1909	55
1910	10
1911	97
1912	40
1913	35
1914	22
1915	95
1916	81
1917	35
1918	32
1919	48
1920	89
1921	56
1922	99
1923	168
1924	106
1925	220
1926	370
1927	82
1928	168
1929	111
1930	247
1931	224
1932	235
1933	566
1934	164
1935	273
1936	409
1937	336
1938	279
1939	691
1940	244
1941	899
1942	583
1943	276
1944	320
1945	418
1946	552
1947	283
1948	529
1949	139
1950	887
1951	780
1952	324
1953	459
1954	425
1955	568
1956	1,229
1957	348
1958	465
1959	287
1960	898
1961	415
1962	834
1963	326
1964	909
1965	534
1966	1,038
1967	253
1968	766
1969	594
1970	845
1971	690
1972	2,240
1973	910
1974	527
1975	859
1976	533
1977	1,227
1978	960
1979	863
1980	1,054
1981	590
1982	1,577
1983	1,024
1984	1,141
1985	1,324
1986	798
1987	829
1988	581
1989	1,317
1990	887
1991	1,384
1992	1,743
1993	871
1994	1,481
1995	1,094
1996	987
1997	718
1998	2,489
1999	1,060
2000	973
2001	2,046
2002	2,027
2003	1,031
2004	805
2005	1,475
2006	1,646
2007	992
2008	807
2009	1,229
2010	1,237
2011	1,472
2012	1,081
2013	1,763
2014	476
2015	721
2016	636
2017	568
2018	338
2019	463
2020	529
2021	679
2022	454
2023	1,402
2024	796
2025	872

Download the Data

Data for records on 1966-12-05: 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	889
50 to 100	24
100 to 150	6
150 to 200	0
200 to 250	3