Weather Records on 23 December 1966

436 weather records were set or tied worldwide on 23 December 1966. Highest significance: Perry, US.

Key Facts for 23 December 1966

On 23 December 1966, 436 weather records were set or tied at long-record stations worldwide.
34 were record highs and 81 were record lows, counting maximum and minimum temperature.
By timescale, 6 were all-time records, 17 monthly and 413 daily.
Perry set a daily record snowfall of 12.7 cm (5.0 in) on 23 December 1966.
Across 150 earlier years (1793 to 2025) the same calendar date averaged 546 records.

Record Map

436 stations

436 station records on 23 December 1966 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 23 December 1966: highest significance records shown on the map
Station	Country	Type	Value	Significance
Perry	United States	Record daily snowfall	12.7 cm (5.0 in)	63 of 100 (Major)
Oswego 1 N	United States	Record daily snowfall	24.1 cm (9.5 in)	61 of 100 (Major)
Willow Sprg Radio Kuku	United States	Record daily snowfall	24.1 cm (9.5 in)	60 of 100 (Major)
Gravette	United States	Record daily snowfall	17.8 cm (7.0 in)	58 of 100 (Notable)
Harrison	United States	Record snow depth	27.9 cm (11.0 in)	56 of 100 (Notable)
Buffalo 2N	United States	Record daily snowfall	22.9 cm (9.0 in)	56 of 100 (Notable)
Isabela Substn	Puerto Rico [United States]	Record daily precipitation	86.4 mm (3.4 in)	53 of 100 (Notable)
Lunner	Norway	Record daily precipitation	28.1 mm (1.1 in)	50 of 100 (Notable)
Lamar 7N	United States	Record daily snowfall	25.4 cm (10.0 in)	50 of 100 (Notable)
Weilmoringle	Australia	Record daily precipitation	38.6 mm (1.5 in)	49 of 100 (Notable)
Birch Tree	United States	Record daily snowfall	19.8 cm (7.8 in)	49 of 100 (Notable)
Goodooga (Willawillingbah)	Australia	Record daily precipitation	27.4 mm (1.1 in)	47 of 100 (Notable)
Brohovo	Russia	Record daily precipitation	32.3 mm (1.3 in)	47 of 100 (Notable)
Fayetteville Exp STN	United States	Record daily snowfall	8.9 cm (3.5 in)	47 of 100 (Notable)
Birch Tree	United States	Record snow depth	20.3 cm (8.0 in)	46 of 100 (Notable)
Pawhuska	United States	Record snow depth	22.9 cm (9.0 in)	46 of 100 (Notable)
Bartlesville Muni AP	United States	Record daily snowfall	15.2 cm (6.0 in)	46 of 100 (Notable)
Pindamonhangaba (Pcd)	Brazil	Record daily precipitation	69.8 mm (2.7 in)	45 of 100 (Notable)
Groot Constantia	South Africa	Record daily precipitation	28.0 mm (1.1 in)	45 of 100 (Notable)
Mtn Home 1 NNW	United States	Record daily snowfall	33.0 cm (13.0 in)	45 of 100 (Notable)
Claremore 2 ENE	United States	Record daily snowfall	10.2 cm (4.0 in)	45 of 100 (Notable)
Gnomery	Australia	Record daily precipitation	52.1 mm (2.1 in)	44 of 100 (Notable)
Miami	United States	Record daily snowfall	22.9 cm (9.0 in)	44 of 100 (Notable)
Hiasen I Sigdal	Norway	Record daily precipitation	25.4 mm (1.0 in)	43 of 100 (Notable)
Muskogee	United States	Record daily snowfall	10.2 cm (4.0 in)	43 of 100 (Notable)
Coonamble (Wingadee)	Australia	Record daily precipitation	36.1 mm (1.4 in)	41 of 100 (Notable)
Port Menier	Canada	Record daily snowfall	24.4 cm (9.6 in)	41 of 100 (Notable)
Hailey 3 WSW	United States	Record daily snowfall	33.0 cm (13.0 in)	41 of 100 (Notable)
Columbus	United States	Record snow depth	17.8 cm (7.0 in)	40 of 100 (Notable)
Howard 2SE	United States	Record daily snowfall	12.7 cm (5.0 in)	39 of 100 (Notable)
Neosho	United States	Record daily snowfall	20.3 cm (8.0 in)	39 of 100 (Notable)
Stillwater 2 W	United States	Record snow depth	15.2 cm (6.0 in)	39 of 100 (Notable)
Nyngan (Canonbar)	Australia	Record daily precipitation	32.8 mm (1.3 in)	38 of 100 (Notable)
Narrabri (Mollee)	Australia	Record daily precipitation	38.6 mm (1.5 in)	37 of 100 (Notable)
Woodhouselee (Leeston)	Australia	Record daily precipitation	54.1 mm (2.1 in)	37 of 100 (Notable)
Pirassununga (Cpef)	Brazil	Record daily precipitation	90.5 mm (3.6 in)	37 of 100 (Notable)
Manati 2 E	Puerto Rico [United States]	Record daily precipitation	61.0 mm (2.4 in)	36 of 100 (Notable)
Goodooga Post Office	Australia	Record daily precipitation	29.2 mm (1.1 in)	34 of 100 (Routine)
Descalvado	Brazil	Record daily precipitation	75.4 mm (3.0 in)	34 of 100 (Routine)
Calico Rock 2 WSW	United States	Record snow depth	25.4 cm (10.0 in)	34 of 100 (Routine)
Parapeuna	Brazil	Record daily precipitation	76.0 mm (3.0 in)	33 of 100 (Routine)
Usina Brotas (Cpfl)	Brazil	Record daily precipitation	62.5 mm (2.5 in)	33 of 100 (Routine)
Smoky Falls	Canada	Record daily snowfall	21.1 cm (8.3 in)	33 of 100 (Routine)
Rogers	United States	Record daily snowfall	11.4 cm (4.5 in)	33 of 100 (Routine)
Weilmoringle (Caringle)	Australia	Record daily precipitation	37.1 mm (1.5 in)	32 of 100 (Routine)
Warren (Mumblebone)	Australia	Record daily precipitation	31.8 mm (1.3 in)	32 of 100 (Routine)
Observatorio Do Iag	Brazil	Record daily precipitation	63.1 mm (2.5 in)	32 of 100 (Routine)
Norton 9SSE	United States	Record daily snowfall	10.2 cm (4.0 in)	32 of 100 (Routine)
Bowling Green Warren Co AP	United States	Record daily snowfall	15.2 cm (6.0 in)	32 of 100 (Routine)
Arecibo 3 ESE	Puerto Rico [United States]	Record daily precipitation	55.9 mm (2.2 in)	31 of 100 (Routine)
S Haven	United States	Record daily snowfall	15.2 cm (6.0 in)	31 of 100 (Routine)
Lockwood	United States	Record snow depth	20.3 cm (8.0 in)	31 of 100 (Routine)
Kingfisher	United States	Record daily snowfall	7.1 cm (2.8 in)	31 of 100 (Routine)
Kvikkjokk-Arrenjarka	Sweden	Record snow depth	96.0 cm (37.8 in)	30 of 100 (Routine)
Gilbert	United States	Record daily snowfall	17.8 cm (7.0 in)	30 of 100 (Routine)
Salem	United States	Record daily snowfall	11.4 cm (4.5 in)	30 of 100 (Routine)
Seligman	United States	Record daily snowfall	17.8 cm (7.0 in)	30 of 100 (Routine)
Pryor	United States	Record daily snowfall	7.6 cm (3.0 in)	30 of 100 (Routine)
Quambone Station	Australia	Record daily precipitation	30.7 mm (1.2 in)	29 of 100 (Routine)
Mtn Grove 2 N	United States	Record daily snowfall	15.2 cm (6.0 in)	29 of 100 (Routine)

Counts by Type and Timescale

436 records

Records set or tied on 23 December 1966 by type: Highest daily maximum 16, Lowest daily maximum 44, Highest daily minimum 18, Lowest daily minimum 37, Heaviest daily rainfall 218, Heaviest daily snowfall 68, Deepest snow cover 35.

Records on 23 December 1966 by type
Record type	Records
Highest daily maximum	16
Lowest daily maximum	44
Highest daily minimum	18
Lowest daily minimum	37
Heaviest daily rainfall	218
Heaviest daily snowfall	68
Deepest snow cover	35

Records on 23 December 1966 by timescale: all-time 6, monthly 17, daily 413.

How Much Records Were Beaten By

371 broken records

Margins by which the 371 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

23 December 1966

Top 20 records on 23 December 1966 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
23 December 1966	Perry, US	daily snowfall	12.7 cm (5.0 in)	12.7 cm (5.0 in)	67 years	63 of 100 (Major)
23 December 1966	Oswego 1 N, US	daily snowfall	24.1 cm (9.5 in)	18.8 cm (7.4 in)	48 years	61 of 100 (Major)
23 December 1966	Willow Sprg Radio Kuku, US	monthly snowfall	24.1 cm (9.5 in)	11.4 cm (4.5 in)	34 years	60 of 100 (Major)
23 December 1966	Gravette, US	daily snowfall	17.8 cm (7.0 in)	15.3 cm (6.0 in)	59 years	58 of 100 (Notable)
23 December 1966	Harrison, US	daily snow depth	27.9 cm (11.0 in)	22.8 cm (9.0 in)	53 years	56 of 100 (Notable)
23 December 1966	Buffalo 2N, US	monthly snowfall	22.9 cm (9.0 in)	11.5 cm (4.5 in)	26 years	56 of 100 (Notable)
23 December 1966	Isabela Substn, PR	daily rain	86.4 mm (3.4 in)	59.0 mm (2.3 in)	24 years	53 of 100 (Notable)
23 December 1966	Lunner, NO	daily rain	28.1 mm (1.1 in)	22.6 mm (0.9 in)	23 years	50 of 100 (Notable)
23 December 1966	Lamar 7N, US	all-time snowfall	25.4 cm (10.0 in)	2.5 cm (1.0 in)	60 years	50 of 100 (Notable)
23 December 1966	Weilmoringle, AU	daily rain	38.6 mm (1.5 in)	31.2 mm (1.2 in)	67 years	49 of 100 (Notable)
23 December 1966	Birch Tree, US	daily snowfall	19.8 cm (7.8 in)	14.7 cm (5.8 in)	52 years	49 of 100 (Notable)
23 December 1966	Goodooga (Willawillingbah), AU	daily rain	27.4 mm (1.1 in)	26.6 mm (1.0 in)	60 years	47 of 100 (Notable)
23 December 1966	Brohovo, RU	daily rain	32.3 mm (1.3 in)	27.3 mm (1.1 in)	16 years	47 of 100 (Notable)
23 December 1966	Fayetteville Exp STN, US	daily snowfall	8.9 cm (3.5 in)	8.9 cm (3.5 in)	73 years	47 of 100 (Notable)
23 December 1966	Birch Tree, US	daily snow depth	20.3 cm (8.0 in)	15.2 cm (6.0 in)	41 years	46 of 100 (Notable)
23 December 1966	Pawhuska, US	all-time snow depth	22.9 cm (9.0 in)	2.6 cm (1.0 in)	46 years	46 of 100 (Notable)
23 December 1966	Bartlesville Muni AP, US	daily snowfall	15.2 cm (6.0 in)	15.2 cm (6.0 in)	41 years	46 of 100 (Notable)
23 December 1966	Pindamonhangaba (Pcd), BR	daily rain	69.8 mm (2.7 in)	48.2 mm (1.9 in)	9 years	45 of 100 (Notable)
23 December 1966	Groot Constantia, ZA	daily rain	28.0 mm (1.1 in)	21.9 mm (0.9 in)	28 years	45 of 100 (Notable)
23 December 1966	Mtn Home 1 NNW, US	all-time snowfall	33.0 cm (13.0 in)	7.6 cm (3.0 in)	14 years	45 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 436 records.

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

Records on 12-23 in each year
Year	Records
1793	1
1825	1
1829	1
1840	1
1852	1
1855	1
1860	3
1864	1
1868	1
1870	6
1871	2
1875	2
1877	1
1878	1
1880	1
1881	1
1883	2
1887	2
1888	2
1889	2
1891	3
1893	2
1894	5
1896	4
1897	1
1898	4
1899	6
1901	2
1903	5
1904	11
1905	3
1906	16
1907	35
1908	8
1909	59
1910	41
1911	29
1912	36
1913	87
1914	57
1915	59
1916	34
1917	26
1918	51
1919	39
1920	33
1921	219
1922	28
1923	146
1924	257
1925	205
1926	146
1927	100
1928	137
1929	393
1930	141
1931	987
1932	329
1933	734
1934	92
1935	360
1936	370
1937	232
1938	183
1939	264
1940	365
1941	750
1942	534
1943	745
1944	484
1945	752
1946	234
1947	517
1948	528
1949	618
1950	521
1951	405
1952	242
1953	605
1954	348
1955	1,162
1956	496
1957	485
1958	209
1959	352
1960	1,442
1961	320
1962	439
1963	1,391
1964	1,457
1965	653
1966	436
1967	885
1968	891
1969	852
1970	940
1971	695
1972	376
1973	479
1974	611
1975	628
1976	514
1977	663
1978	351
1979	813
1980	516
1981	1,127
1982	1,140
1983	4,533
1984	668
1985	629
1986	571
1987	804
1988	878
1989	3,791
1990	3,241
1991	1,196
1992	504
1993	991
1994	1,091
1995	1,212
1996	1,184
1997	1,016
1998	688
1999	936
2000	746
2001	663
2002	778
2003	766
2004	1,231
2005	903
2006	1,194
2007	873
2008	771
2009	1,073
2010	1,298
2011	735
2012	817
2013	1,235
2014	1,070
2015	1,972
2016	432
2017	621
2018	373
2019	699
2020	916
2021	702
2022	1,426
2023	856
2024	637
2025	1,678

Download the Data

Data for records on 1966-12-23: 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	332
50 to 100	19
100 to 150	14
150 to 200	5
200 to 250	1