Weather Records on 16 December 1964

639 weather records were set or tied worldwide on 16 December 1964. Highest significance: Ovando, US.

Key Facts for 16 December 1964

On 16 December 1964, 639 weather records were set or tied at long-record stations worldwide.
16 were record highs and 494 were record lows, counting maximum and minimum temperature.
By timescale, 21 were all-time records, 103 monthly and 515 daily.
Ovando set a daily record low maximum temperature of -25.0 C (-13.0 F) on 16 December 1964.
Across 160 earlier years (1793 to 2025) the same calendar date averaged 481 records.

Record Map

639 stations

639 station records on 16 December 1964 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 16 December 1964: highest significance records shown on the map
Station	Country	Type	Value	Significance
Ovando	United States	Record low maximum temperature	-25.0 C (-13.0 F)	47 of 100 (Notable)
Butte Bert Mooney AP	United States	Record low maximum temperature	-23.3 C (-9.9 F)	44 of 100 (Notable)
Coupeville 1 S	United States	Record low maximum temperature	-3.9 C (25.0 F)	42 of 100 (Notable)
Wheatland 4N	United States	Record daily snowfall	17.8 cm (7.0 in)	42 of 100 (Notable)
New Westminster	Canada	Record low maximum temperature	-10.0 C (14.0 F)	41 of 100 (Notable)
Custer	United States	Record snow depth	17.8 cm (7.0 in)	40 of 100 (Notable)
Cowichan Bay Cherry Point	Canada	Record low maximum temperature	-10.6 C (12.9 F)	39 of 100 (Notable)
Virden	Canada	Record daily snowfall	5.1 cm (2.0 in)	39 of 100 (Notable)
Meadowlands 9 S	United States	Record daily snowfall	15.2 cm (6.0 in)	38 of 100 (Notable)
Cedar Lake	United States	Record low minimum temperature	-17.8 C (0.0 F)	38 of 100 (Notable)
Olga 2 SE	United States	Record low minimum temperature	-16.1 C (3.0 F)	38 of 100 (Notable)
Sitka Magnetic Obsy	United States	Record low minimum temperature	-18.9 C (-2.0 F)	38 of 100 (Notable)
Chilliwack	Canada	Record low minimum temperature	-19.4 C (-2.9 F)	37 of 100 (Notable)
Fauquier	Canada	Record low maximum temperature	-21.1 C (-6.0 F)	37 of 100 (Notable)
Broadus	United States	Record low maximum temperature	-28.9 C (-20.0 F)	37 of 100 (Notable)
Bellingham 2 N	United States	Record low maximum temperature	-6.7 C (19.9 F)	37 of 100 (Notable)
Lake Keechelus	United States	Record low minimum temperature	-23.9 C (-11.0 F)	37 of 100 (Notable)
Snoqualmie Pass	United States	Record low minimum temperature	-23.3 C (-9.9 F)	37 of 100 (Notable)
Pachena Point	Canada	Record low maximum temperature	-5.0 C (23.0 F)	36 of 100 (Notable)
Forsyth 2 E	United States	Record low maximum temperature	-26.1 C (-15.0 F)	36 of 100 (Notable)
Cove 1 E	United States	Record low maximum temperature	-19.4 C (-2.9 F)	36 of 100 (Notable)
Blaine	United States	Record low maximum temperature	-8.3 C (17.1 F)	36 of 100 (Notable)
Hatton 9 SE	United States	Record low minimum temperature	-27.8 C (-18.0 F)	36 of 100 (Notable)
Saltspring Island	Canada	Record low minimum temperature	-14.4 C (6.1 F)	35 of 100 (Notable)
Nanaimo Departure Bay	Canada	Record low maximum temperature	-7.2 C (19.0 F)	35 of 100 (Notable)
Martinsdale 3 NNW	United States	Record low minimum temperature	-33.9 C (-29.0 F)	35 of 100 (Notable)
Hartline	United States	Record low minimum temperature	-27.2 C (-17.0 F)	35 of 100 (Notable)
Sitka Magnetic Obsy	United States	Record low maximum temperature	-8.3 C (17.1 F)	35 of 100 (Notable)
Moorcroft 3S	United States	Record low minimum temperature	-36.7 C (-34.1 F)	35 of 100 (Notable)
Portland Rfc City	United States	Record low minimum temperature	-12.2 C (10.0 F)	35 of 100 (Notable)
Cowichan Bay Cherry Point	Canada	Record low minimum temperature	-14.4 C (6.1 F)	34 of 100 (Routine)
Waneta	Canada	Record low maximum temperature	-19.4 C (-2.9 F)	34 of 100 (Routine)
Chester	United States	Record low maximum temperature	-29.4 C (-20.9 F)	34 of 100 (Routine)
White Sulphur Springs	United States	Record low maximum temperature	-31.7 C (-25.1 F)	34 of 100 (Routine)
Dickinson Exp STN	United States	Record snow depth	20.3 cm (8.0 in)	34 of 100 (Routine)
Tree Point Lt STN	United States	Record low maximum temperature	-9.4 C (15.1 F)	34 of 100 (Routine)
Spokane Intl AP	United States	Record low minimum temperature	-28.3 C (-18.9 F)	34 of 100 (Routine)
James Island	Canada	Record low maximum temperature	-7.8 C (18.0 F)	33 of 100 (Routine)
Saanichton Cda	Canada	Record low maximum temperature	-8.9 C (16.0 F)	33 of 100 (Routine)
Grangeville	United States	Record low minimum temperature	-30.0 C (-22.0 F)	33 of 100 (Routine)
Lame Deer	United States	Record low minimum temperature	-33.3 C (-27.9 F)	33 of 100 (Routine)
Alliance 1WNW	United States	Record snow depth	20.3 cm (8.0 in)	33 of 100 (Routine)
Three Lynx	United States	Record daily snowfall	12.7 cm (5.0 in)	33 of 100 (Routine)
Cle Elum	United States	Record low minimum temperature	-27.8 C (-18.0 F)	33 of 100 (Routine)
Lake Kachess	United States	Record low minimum temperature	-25.0 C (-13.0 F)	33 of 100 (Routine)
Omak 4 N	United States	Record low maximum temperature	-21.1 C (-6.0 F)	33 of 100 (Routine)
Wheatland 4N	United States	Record low minimum temperature	-25.6 C (-14.1 F)	33 of 100 (Routine)
Chilliwack	Canada	Record low maximum temperature	-12.2 C (10.0 F)	32 of 100 (Routine)
Harlem	United States	Record low maximum temperature	-28.9 C (-20.0 F)	32 of 100 (Routine)
Buckley 1 NE	United States	Record low minimum temperature	-16.1 C (3.0 F)	32 of 100 (Routine)
Darrington Rs	United States	Record low minimum temperature	-19.4 C (-2.9 F)	32 of 100 (Routine)
Startup 1 E	United States	Record low minimum temperature	-16.1 C (3.0 F)	32 of 100 (Routine)
White Swan Rs	United States	Record low minimum temperature	-25.6 C (-14.1 F)	32 of 100 (Routine)
Lewistown AP	United States	Record low maximum temperature	-30.6 C (-23.1 F)	32 of 100 (Routine)
Nanaimo	Canada	Record low minimum temperature	-12.2 C (10.0 F)	31 of 100 (Routine)
Nanaimo Departure Bay	Canada	Record low minimum temperature	-12.2 C (10.0 F)	31 of 100 (Routine)
New Westminster	Canada	Record low minimum temperature	-17.8 C (0.0 F)	31 of 100 (Routine)
Steveston	Canada	Record low maximum temperature	-9.4 C (15.1 F)	31 of 100 (Routine)
Summerland Cda	Canada	Record low minimum temperature	-26.1 C (-15.0 F)	31 of 100 (Routine)
Kaslo	Canada	Record low minimum temperature	-22.8 C (-9.0 F)	31 of 100 (Routine)

Counts by Type and Timescale

639 records

Records set or tied on 16 December 1964 by type: Highest daily maximum 5, Lowest daily maximum 185, Highest daily minimum 11, Lowest daily minimum 309, Heaviest daily rainfall 63, Heaviest daily snowfall 50, Deepest snow cover 16.

Records on 16 December 1964 by type
Record type	Records
Highest daily maximum	5
Lowest daily maximum	185
Highest daily minimum	11
Lowest daily minimum	309
Heaviest daily rainfall	63
Heaviest daily snowfall	50
Deepest snow cover	16

Records on 16 December 1964 by timescale: all-time 21, monthly 103, daily 515.

How Much Records Were Beaten By

534 broken records

Margins by which the 534 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 122.0. Ties are not counted.

Top 20 by Significance

16 December 1964

Top 20 records on 16 December 1964 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
16 December 1964	Ovando, US	daily low max	-25.0 C (-13.0 F)	12.8 C (23.0 F)	64 years	47 of 100 (Notable)
16 December 1964	Butte Bert Mooney AP, US	daily low max	-23.3 C (-9.9 F)	10.0 C (18.0 F)	66 years	44 of 100 (Notable)
16 December 1964	Coupeville 1 S, US	daily low max	-3.9 C (25.0 F)	5.0 C (9.0 F)	64 years	42 of 100 (Notable)
16 December 1964	Wheatland 4N, US	daily snowfall	17.8 cm (7.0 in)	10.2 cm (4.0 in)	57 years	42 of 100 (Notable)
16 December 1964	New Westminster, CA	monthly low max	-10.0 C (14.0 F)	3.9 C (7.0 F)	36 years	41 of 100 (Notable)
16 December 1964	Custer, US	daily snow depth	17.8 cm (7.0 in)	10.2 cm (4.0 in)	42 years	40 of 100 (Notable)
16 December 1964	Cowichan Bay Cherry Point, CA	monthly low max	-10.6 C (12.9 F)	3.9 C (7.0 F)	40 years	39 of 100 (Notable)
16 December 1964	Virden, CA	daily snowfall	5.1 cm (2.0 in)	5.1 cm (2.0 in)	73 years	39 of 100 (Notable)
16 December 1964	Meadowlands 9 S, US	daily snowfall	15.2 cm (6.0 in)	7.6 cm (3.0 in)	46 years	38 of 100 (Notable)
16 December 1964	Cedar Lake, US	monthly low min	-17.8 C (0.0 F)	3.4 C (6.1 F)	45 years	38 of 100 (Notable)
16 December 1964	Olga 2 SE, US	monthly low min	-16.1 C (3.0 F)	3.3 C (5.9 F)	40 years	38 of 100 (Notable)
16 December 1964	Sitka Magnetic Obsy, US	daily low min	-18.9 C (-2.0 F)	9.5 C (17.1 F)	40 years	38 of 100 (Notable)
16 December 1964	Chilliwack, CA	monthly low min	-19.4 C (-2.9 F)	2.7 C (4.9 F)	45 years	37 of 100 (Notable)
16 December 1964	Fauquier, CA	all-time low max	-21.1 C (-6.0 F)	1.7 C (3.1 F)	29 years	37 of 100 (Notable)
16 December 1964	Broadus, US	all-time low max	-28.9 C (-20.0 F)	4.5 C (8.1 F)	25 years	37 of 100 (Notable)
16 December 1964	Bellingham 2 N, US	daily low max	-6.7 C (19.9 F)	7.8 C (14.0 F)	43 years	37 of 100 (Notable)
16 December 1964	Lake Keechelus, US	daily low min	-23.9 C (-11.0 F)	8.3 C (14.9 F)	50 years	37 of 100 (Notable)
16 December 1964	Snoqualmie Pass, US	daily low min	-23.3 C (-9.9 F)	8.9 C (16.0 F)	40 years	37 of 100 (Notable)
16 December 1964	Pachena Point, CA	monthly low max	-5.0 C (23.0 F)	2.8 C (5.0 F)	39 years	36 of 100 (Notable)
16 December 1964	Forsyth 2 E, US	monthly low max	-26.1 C (-15.0 F)	2.8 C (5.0 F)	59 years	36 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 1964

Records set or tied on this calendar date in each year from 1793 to 1964. 1964 had 639 records.

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

Records on 12-16 in each year
Year	Records
1793	2
1798	2
1808	1
1810	1
1814	2
1815	2
1835	1
1839	1
1840	1
1846	3
1852	1
1853	1
1859	3
1864	1
1869	1
1870	1
1872	1
1876	1
1877	1
1878	2
1879	1
1885	2
1886	2
1888	2
1889	1
1890	4
1891	2
1892	3
1893	1
1894	1
1895	1
1896	7
1897	4
1898	1
1899	2
1900	2
1901	4
1902	17
1903	6
1904	8
1905	4
1906	5
1907	30
1908	11
1909	5
1910	38
1911	26
1912	31
1913	12
1914	26
1915	55
1916	31
1917	60
1918	33
1919	52
1920	61
1921	35
1922	62
1923	205
1924	347
1925	93
1926	130
1927	218
1928	338
1929	383
1930	398
1931	168
1932	880
1933	716
1934	163
1935	71
1936	429
1937	351
1938	142
1939	1,014
1940	633
1941	348
1942	550
1943	491
1944	189
1945	478
1946	357
1947	506
1948	775
1949	132
1950	272
1951	987
1952	349
1953	265
1954	305
1955	325
1956	650
1957	478
1958	497
1959	605
1960	393
1961	858
1962	859
1963	484
1964	639
1965	576
1966	417
1967	886
1968	557
1969	205
1970	726
1971	1,540
1972	1,020
1973	823
1974	546
1975	493
1976	526
1977	950
1978	532
1979	528
1980	1,322
1981	1,498
1982	1,208
1983	1,156
1984	1,944
1985	983
1986	485
1987	1,377
1988	605
1989	3,181
1990	753
1991	659
1992	1,408
1993	676
1994	698
1995	714
1996	797
1997	1,260
1998	698
1999	821
2000	1,160
2001	1,197
2002	990
2003	679
2004	510
2005	1,073
2006	1,020
2007	1,301
2008	2,049
2009	1,032
2010	1,585
2011	777
2012	912
2013	762
2014	465
2015	925
2016	1,588
2017	349
2018	624
2019	786
2020	415
2021	1,485
2022	836
2023	841
2024	755
2025	1,820

Download the Data

Data for records on 1964-12-16: 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	497
20 to 40	21
40 to 60	7
60 to 80	4
80 to 100	1
100 to 120	3
120 to 140	1