Weather Records on 19 December 1963

966 weather records were set or tied worldwide on 19 December 1963. Highest significance: Grindstone Island, CA.

Key Facts for 19 December 1963

On 19 December 1963, 966 weather records were set or tied at long-record stations worldwide.
44 were record highs and 733 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 19 monthly and 946 daily.
Grindstone Island set a daily record precipitation of 37.3 mm (1.5 in) on 19 December 1963.
Across 152 earlier years (1793 to 2025) the same calendar date averaged 499 records.

Record Map

966 stations

966 station records on 19 December 1963 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 19 December 1963: highest significance records shown on the map
Station	Country	Type	Value	Significance
Grindstone Island	Canada	Record daily precipitation	37.3 mm (1.5 in)	64 of 100 (Major)
Kentville Cda	Canada	Record daily snowfall	37.1 cm (14.6 in)	56 of 100 (Notable)
Moncton	Canada	Record daily snowfall	22.9 cm (9.0 in)	53 of 100 (Notable)
Collingwood	Canada	Record daily precipitation	30.5 mm (1.2 in)	52 of 100 (Notable)
Collingwood	Canada	Record daily snowfall	30.5 cm (12.0 in)	51 of 100 (Notable)
Parau	Brazil	Record daily precipitation	32.0 mm (1.3 in)	48 of 100 (Notable)
Grindstone Island	Canada	Record daily snowfall	27.9 cm (11.0 in)	48 of 100 (Notable)
Digby	Canada	Record daily snowfall	15.2 cm (6.0 in)	46 of 100 (Notable)
Maranguape	Brazil	Record daily precipitation	43.5 mm (1.7 in)	45 of 100 (Notable)
Deer Lake	Canada	Record daily precipitation	30.5 mm (1.2 in)	45 of 100 (Notable)
Deer Lake	Canada	Record daily snowfall	30.5 cm (12.0 in)	45 of 100 (Notable)
Muskegon Co AP	United States	Record snow depth	83.8 cm (33.0 in)	44 of 100 (Notable)
Nappan Cda	Canada	Record daily snowfall	30.5 cm (12.0 in)	43 of 100 (Notable)
Rapelje	United States	Record snow depth	35.6 cm (14.0 in)	42 of 100 (Notable)
Acude Riachao	Brazil	Record daily precipitation	26.7 mm (1.1 in)	41 of 100 (Notable)
Farmland 5 NNW	United States	Record snow depth	15.2 cm (6.0 in)	40 of 100 (Notable)
Simao Dias (Anapolis)	Brazil	Record daily precipitation	42.0 mm (1.7 in)	39 of 100 (Notable)
Trafalgar	Canada	Record daily snowfall	25.4 cm (10.0 in)	39 of 100 (Notable)
Sodus 1W	United States	Record daily precipitation	29.2 mm (1.1 in)	39 of 100 (Notable)
Porteiras	Brazil	Record daily precipitation	63.1 mm (2.5 in)	37 of 100 (Notable)
Emerson	Canada	Record low maximum temperature	-27.2 C (-17.0 F)	37 of 100 (Notable)
Charlottetown Cda	Canada	Record daily snowfall	25.9 cm (10.2 in)	37 of 100 (Notable)
Kingston	United States	Record snow depth	33.0 cm (13.0 in)	36 of 100 (Notable)
Lexington Bluegrass AP	United States	Record low minimum temperature	-20.0 C (-4.0 F)	36 of 100 (Notable)
Watseka Public Works	United States	Record low maximum temperature	-16.1 C (3.0 F)	35 of 100 (Notable)
Paoli	United States	Record low minimum temperature	-27.2 C (-17.0 F)	35 of 100 (Notable)
Houston	United States	Record low maximum temperature	-10.6 C (12.9 F)	35 of 100 (Notable)
Boonton 1 SE	United States	Record daily snowfall	5.1 cm (2.0 in)	35 of 100 (Notable)
Asheville	United States	Record low minimum temperature	-13.9 C (7.0 F)	35 of 100 (Notable)
Nurnberg	Germany	Record low minimum temperature	-15.8 C (3.6 F)	34 of 100 (Routine)
Owensboro 3ENE	United States	Record low minimum temperature	-21.7 C (-7.1 F)	34 of 100 (Routine)
Ogdensburg 4 NE	United States	Record snow depth	15.2 cm (6.0 in)	34 of 100 (Routine)
Greeneville Exp STN	United States	Record low minimum temperature	-18.9 C (-2.0 F)	34 of 100 (Routine)
Ottawa 4SW	United States	Record low maximum temperature	-14.4 C (6.1 F)	33 of 100 (Routine)
Cumberland House	Canada	Record low maximum temperature	-37.8 C (-36.0 F)	32 of 100 (Routine)
Aurora Water	United States	Record low maximum temperature	-15.6 C (3.9 F)	32 of 100 (Routine)
Fall Rvr Lake	United States	Record low maximum temperature	-9.4 C (15.1 F)	32 of 100 (Routine)
Henderson 8 SSW	United States	Record low minimum temperature	-20.0 C (-4.0 F)	32 of 100 (Routine)
Greenville Wtp	United States	Record low maximum temperature	-15.0 C (5.0 F)	32 of 100 (Routine)
Cumberland House	Canada	Record low minimum temperature	-42.2 C (-44.0 F)	31 of 100 (Routine)
Sable Island	Canada	Record daily precipitation	35.3 mm (1.4 in)	31 of 100 (Routine)
Karesuando	Sweden	Record low maximum temperature	-30.0 C (-22.0 F)	31 of 100 (Routine)
Waynesboro 2 S	United States	Record low minimum temperature	-10.0 C (14.0 F)	31 of 100 (Routine)
Mt Carmel 4 NW	United States	Record low minimum temperature	-18.9 C (-2.0 F)	31 of 100 (Routine)
Dayton Mcd	United States	Record low maximum temperature	-12.2 C (10.0 F)	31 of 100 (Routine)
Hillsboro	United States	Record low minimum temperature	-21.7 C (-7.1 F)	31 of 100 (Routine)
Burketown Post Office	Australia	Record high maximum temperature	42.2 C (108.0 F)	30 of 100 (Routine)
Cabrobo	Brazil	Record daily precipitation	28.2 mm (1.1 in)	30 of 100 (Routine)
Ekaterinburg	Russia	Record high maximum temperature	2.6 C (36.7 F)	30 of 100 (Routine)
Decatur	United States	Record low minimum temperature	-12.2 C (10.0 F)	30 of 100 (Routine)
Lumpkin 2 SE	United States	Record low minimum temperature	-10.6 C (12.9 F)	30 of 100 (Routine)
Marengo	United States	Record low maximum temperature	-16.1 C (3.0 F)	30 of 100 (Routine)
Morrison	United States	Record low maximum temperature	-15.0 C (5.0 F)	30 of 100 (Routine)
Farmland 5 NNW	United States	Record low minimum temperature	-22.8 C (-9.0 F)	30 of 100 (Routine)
Racine Wwtp	United States	Record low maximum temperature	-16.7 C (1.9 F)	30 of 100 (Routine)
Equador	Brazil	Record daily precipitation	60.0 mm (2.4 in)	29 of 100 (Routine)
Stillwater	Canada	Record daily snowfall	25.4 cm (10.0 in)	29 of 100 (Routine)
Albany 3 SE	United States	Record low minimum temperature	-8.3 C (17.1 F)	29 of 100 (Routine)
Dixon Wwtp	United States	Record low maximum temperature	-15.6 C (3.9 F)	29 of 100 (Routine)
Delphi 2 N	United States	Record low maximum temperature	-15.0 C (5.0 F)	29 of 100 (Routine)

Counts by Type and Timescale

966 records

Records set or tied on 19 December 1963 by type: Highest daily maximum 27, Lowest daily maximum 339, Highest daily minimum 17, Lowest daily minimum 394, Heaviest daily rainfall 113, Heaviest daily snowfall 50, Deepest snow cover 26.

Records on 19 December 1963 by type
Record type	Records
Highest daily maximum	27
Lowest daily maximum	339
Highest daily minimum	17
Lowest daily minimum	394
Heaviest daily rainfall	113
Heaviest daily snowfall	50
Deepest snow cover	26

Records on 19 December 1963 by timescale: all-time 1, monthly 19, daily 946.

How Much Records Were Beaten By

770 broken records

Margins by which the 770 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 274.0. Ties are not counted.

Top 20 by Significance

19 December 1963

Top 20 records on 19 December 1963 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
19 December 1963	Grindstone Island, CA	daily rain	37.3 mm (1.5 in)	24.6 mm (1.0 in)	66 years	64 of 100 (Major)
19 December 1963	Kentville Cda, CA	daily snowfall	37.1 cm (14.6 in)	27.4 cm (10.8 in)	37 years	56 of 100 (Notable)
19 December 1963	Moncton, CA	daily snowfall	22.9 cm (9.0 in)	17.8 cm (7.0 in)	60 years	53 of 100 (Notable)
19 December 1963	Collingwood, CA	daily rain	30.5 mm (1.2 in)	10.2 mm (0.4 in)	90 years	52 of 100 (Notable)
19 December 1963	Collingwood, CA	daily snowfall	30.5 cm (12.0 in)	10.2 cm (4.0 in)	90 years	51 of 100 (Notable)
19 December 1963	Parau, BR	daily rain	32.0 mm (1.3 in)	32.0 mm (1.3 in)	40 years	48 of 100 (Notable)
19 December 1963	Grindstone Island, CA	daily snowfall	27.9 cm (11.0 in)	16.0 cm (6.3 in)	20 years	48 of 100 (Notable)
19 December 1963	Digby, CA	daily snowfall	15.2 cm (6.0 in)	7.6 cm (3.0 in)	83 years	46 of 100 (Notable)
19 December 1963	Maranguape, BR	daily rain	43.5 mm (1.7 in)	33.4 mm (1.3 in)	0 years	45 of 100 (Notable)
19 December 1963	Deer Lake, CA	daily rain	30.5 mm (1.2 in)	25.4 mm (1.0 in)	8 years	45 of 100 (Notable)
19 December 1963	Deer Lake, CA	daily snowfall	30.5 cm (12.0 in)	25.4 cm (10.0 in)	8 years	45 of 100 (Notable)
19 December 1963	Muskegon Co AP, US	all-time snow depth	83.8 cm (33.0 in)	2.5 cm (1.0 in)	59 years	44 of 100 (Notable)
19 December 1963	Nappan Cda, CA	daily snowfall	30.5 cm (12.0 in)	17.8 cm (7.0 in)	32 years	43 of 100 (Notable)
19 December 1963	Rapelje, US	daily snow depth	35.6 cm (14.0 in)	20.4 cm (8.0 in)	41 years	42 of 100 (Notable)
19 December 1963	Acude Riachao, BR	daily rain	26.7 mm (1.1 in)	20.9 mm (0.8 in)	28 years	41 of 100 (Notable)
19 December 1963	Farmland 5 NNW, US	daily snow depth	15.2 cm (6.0 in)	15.2 cm (6.0 in)	61 years	40 of 100 (Notable)
19 December 1963	Simao Dias (Anapolis), BR	daily rain	42.0 mm (1.7 in)	29.8 mm (1.2 in)	45 years	39 of 100 (Notable)
19 December 1963	Trafalgar, CA	daily snowfall	25.4 cm (10.0 in)	20.3 cm (8.0 in)	32 years	39 of 100 (Notable)
19 December 1963	Sodus 1W, US	daily rain	29.2 mm (1.1 in)	17.8 mm (0.7 in)	36 years	39 of 100 (Notable)
19 December 1963	Porteiras, BR	daily rain	63.1 mm (2.5 in)	37.1 mm (1.5 in)	48 years	37 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 1963

Records set or tied on this calendar date in each year from 1793 to 1963. 1963 had 966 records.

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

Records on 12-19 in each year
Year	Records
1793	2
1795	1
1805	1
1835	1
1846	2
1849	1
1852	3
1855	3
1859	3
1860	1
1861	2
1869	2
1870	1
1875	2
1877	2
1880	1
1884	2
1885	1
1888	1
1889	3
1890	4
1892	4
1894	1
1895	4
1896	1
1898	3
1899	2
1900	1
1901	3
1902	16
1903	2
1904	19
1905	5
1906	9
1907	12
1908	12
1909	18
1910	22
1911	17
1912	41
1913	50
1914	23
1915	31
1916	38
1917	36
1918	24
1919	53
1920	30
1921	60
1922	155
1923	180
1924	492
1925	79
1926	152
1927	222
1928	45
1929	386
1930	76
1931	650
1932	239
1933	459
1934	455
1935	110
1936	689
1937	211
1938	237
1939	390
1940	392
1941	588
1942	654
1943	364
1944	241
1945	700
1946	182
1947	283
1948	397
1949	632
1950	545
1951	622
1952	469
1953	517
1954	443
1955	906
1956	287
1957	984
1958	386
1959	249
1960	432
1961	595
1962	670
1963	966
1964	753
1965	392
1966	851
1967	1,063
1968	900
1969	381
1970	485
1971	288
1972	325
1973	1,014
1974	252
1975	843
1976	398
1977	569
1978	1,191
1979	829
1980	456
1981	1,515
1982	768
1983	2,804
1984	1,066
1985	1,179
1986	609
1987	1,095
1988	1,001
1989	1,740
1990	1,463
1991	1,236
1992	1,176
1993	1,153
1994	692
1995	1,459
1996	2,108
1997	830
1998	855
1999	609
2000	1,154
2001	627
2002	1,467
2003	996
2004	664
2005	697
2006	1,061
2007	689
2008	1,545
2009	1,937
2010	1,610
2011	832
2012	774
2013	636
2014	537
2015	1,109
2016	1,080
2017	783
2018	397
2019	541
2020	327
2021	603
2022	494
2023	1,224
2024	864
2025	1,542

Download the Data

Data for records on 1963-12-19: 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	741
50 to 100	14
100 to 150	5
150 to 200	6
200 to 250	2
250 to 300	2