Weather Records on 12 December 1963

439 weather records were set or tied worldwide on 12 December 1963. Highest significance: Fort Fordyce (Bos), ZA.

Key Facts for 12 December 1963

On 12 December 1963, 439 weather records were set or tied at long-record stations worldwide.
25 were record highs and 54 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 8 monthly and 431 daily.
Fort Fordyce (Bos) set a daily record precipitation of 90.0 mm (3.5 in) on 12 December 1963.
Across 153 earlier years (1796 to 2025) the same calendar date averaged 469 records.

Record Map

439 stations

439 station records on 12 December 1963 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 12 December 1963: highest significance records shown on the map
Station	Country	Type	Value	Significance
Fort Fordyce (Bos)	South Africa	Record daily precipitation	90.0 mm (3.5 in)	63 of 100 (Major)
Zoetendals Vallei	South Africa	Record daily precipitation	46.4 mm (1.8 in)	57 of 100 (Notable)
Port Shepstone	South Africa	Record daily precipitation	131.0 mm (5.2 in)	56 of 100 (Notable)
Cameron Falls	Canada	Record daily snowfall	27.9 cm (11.0 in)	54 of 100 (Notable)
Umtata	South Africa	Record daily precipitation	57.0 mm (2.2 in)	54 of 100 (Notable)
Cameron Falls	Canada	Record daily precipitation	27.9 mm (1.1 in)	53 of 100 (Notable)
Bodalla Post Office	Australia	Record daily precipitation	80.0 mm (3.1 in)	52 of 100 (Notable)
Cezu (Bos)	South Africa	Record daily precipitation	51.5 mm (2.0 in)	50 of 100 (Notable)
Acude Cruzeta	Brazil	Record daily precipitation	60.4 mm (2.4 in)	48 of 100 (Notable)
Brynawe, Paddock	South Africa	Record daily precipitation	185.0 mm (7.3 in)	48 of 100 (Notable)
Bimbowrie	Australia	Record daily precipitation	44.5 mm (1.8 in)	47 of 100 (Notable)
Greenville 2 NNE	United States	Record daily snowfall	15.7 cm (6.2 in)	47 of 100 (Notable)
Millwood (Bos)	South Africa	Record daily precipitation	54.6 mm (2.1 in)	46 of 100 (Notable)
Kieskamahoek (Pol)	South Africa	Record daily precipitation	45.5 mm (1.8 in)	46 of 100 (Notable)
Riverview	South Africa	Record daily precipitation	85.0 mm (3.3 in)	46 of 100 (Notable)
Les Cedres	Canada	Record daily snowfall	25.4 cm (10.0 in)	45 of 100 (Notable)
Bushy Vales, Margate	South Africa	Record daily precipitation	82.1 mm (3.2 in)	44 of 100 (Notable)
Owosso Wwtp	United States	Record daily snowfall	14.0 cm (5.5 in)	44 of 100 (Notable)
Yengarie Railway Station	Australia	Record daily precipitation	54.6 mm (2.1 in)	43 of 100 (Notable)
Kyelong Obsy	India	Record daily precipitation	40.6 mm (1.6 in)	43 of 100 (Notable)
Concordia (Bos)	South Africa	Record daily precipitation	60.0 mm (2.4 in)	43 of 100 (Notable)
Allegan 5NE	United States	Record daily snowfall	15.2 cm (6.0 in)	42 of 100 (Notable)
Notinsila (Bos)	South Africa	Record daily precipitation	95.0 mm (3.7 in)	41 of 100 (Notable)
Les Cedres	Canada	Record daily precipitation	25.4 mm (1.0 in)	39 of 100 (Notable)
Pirie (Bos)	South Africa	Record daily precipitation	52.3 mm (2.1 in)	39 of 100 (Notable)
Jindabyne West (Hiawatha)	Australia	Record daily precipitation	52.1 mm (2.1 in)	38 of 100 (Notable)
Dharmsala Lower	India	Record daily precipitation	101.0 mm (4.0 in)	38 of 100 (Notable)
Boolcoomatta	Australia	Record daily precipitation	27.9 mm (1.1 in)	37 of 100 (Notable)
Isidinge (Bos)	South Africa	Record daily precipitation	60.0 mm (2.4 in)	37 of 100 (Notable)
Korana "Xorana"	South Africa	Record daily precipitation	41.0 mm (1.6 in)	37 of 100 (Notable)
Hale Loud Dam	United States	Record daily snowfall	12.7 cm (5.0 in)	37 of 100 (Notable)
Farmington	United States	Record snow depth	12.7 cm (5.0 in)	37 of 100 (Notable)
Fir Glen	South Africa	Record daily precipitation	32.5 mm (1.3 in)	36 of 100 (Notable)
Fort Beaufort	South Africa	Record daily precipitation	27.5 mm (1.1 in)	36 of 100 (Notable)
Komga (Pol)	South Africa	Record daily precipitation	49.0 mm (1.9 in)	36 of 100 (Notable)
Farmland 5 NNW	United States	Record daily snowfall	8.9 cm (3.5 in)	36 of 100 (Notable)
Kalihi Rsch Site 777	United States	Record daily precipitation	82.3 mm (3.2 in)	36 of 100 (Notable)
Wilo (Bos)	South Africa	Record daily precipitation	77.0 mm (3.0 in)	35 of 100 (Notable)
Ninyeunook	Australia	Record daily precipitation	57.4 mm (2.3 in)	34 of 100 (Routine)
Mkambati	South Africa	Record daily precipitation	66.0 mm (2.6 in)	34 of 100 (Routine)
Sandusky	United States	Record daily snowfall	14.0 cm (5.5 in)	34 of 100 (Routine)
Maryborough	Australia	Record daily precipitation	56.6 mm (2.2 in)	33 of 100 (Routine)
Mount Forest	Canada	Record daily snowfall	7.9 cm (3.1 in)	33 of 100 (Routine)
Salem	United States	Record daily snowfall	5.1 cm (2.0 in)	33 of 100 (Routine)
Laura	Australia	Record daily precipitation	56.6 mm (2.2 in)	32 of 100 (Routine)
Bettowynd (Condry)	Australia	Record daily precipitation	49.8 mm (2.0 in)	32 of 100 (Routine)
Butler	United States	Record daily precipitation	38.1 mm (1.5 in)	32 of 100 (Routine)
Palmyra	United States	Record daily snowfall	10.2 cm (4.0 in)	32 of 100 (Routine)
Boonton 1 SE	United States	Record daily snowfall	5.1 cm (2.0 in)	32 of 100 (Routine)
Van Wert 1 S	United States	Record daily snowfall	7.6 cm (3.0 in)	32 of 100 (Routine)
Mascota (Smn)	Mexico	Record daily precipitation	37.1 mm (1.5 in)	31 of 100 (Routine)
Uitkomst	South Africa	Record daily precipitation	57.5 mm (2.3 in)	31 of 100 (Routine)
Sebeni (Bos)	South Africa	Record daily precipitation	80.0 mm (3.1 in)	31 of 100 (Routine)
Mungar Junction	Australia	Record daily precipitation	36.8 mm (1.4 in)	30 of 100 (Routine)
Jindabyne (Lynwood)	Australia	Record daily precipitation	35.6 mm (1.4 in)	30 of 100 (Routine)
Toronto	Canada	Record daily snowfall	14.5 cm (5.7 in)	30 of 100 (Routine)
Ibeka (Bos)	South Africa	Record daily precipitation	55.0 mm (2.2 in)	30 of 100 (Routine)
Lowell	United States	Record daily snowfall	16.5 cm (6.5 in)	30 of 100 (Routine)
St Charles Elm Pt	United States	Record snow depth	10.2 cm (4.0 in)	30 of 100 (Routine)
Kenton	United States	Record daily snowfall	8.9 cm (3.5 in)	30 of 100 (Routine)

Counts by Type and Timescale

439 records

Records set or tied on 12 December 1963 by type: Highest daily maximum 11, Lowest daily maximum 36, Highest daily minimum 14, Lowest daily minimum 18, Heaviest daily rainfall 232, Heaviest daily snowfall 104, Deepest snow cover 24.

Records on 12 December 1963 by type
Record type	Records
Highest daily maximum	11
Lowest daily maximum	36
Highest daily minimum	14
Lowest daily minimum	18
Heaviest daily rainfall	232
Heaviest daily snowfall	104
Deepest snow cover	24

Records on 12 December 1963 by timescale: all-time 0, monthly 8, daily 431.

How Much Records Were Beaten By

376 broken records

Margins by which the 376 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 177.0. Ties are not counted.

Top 20 by Significance

12 December 1963

Top 20 records on 12 December 1963 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
12 December 1963	Fort Fordyce (Bos), ZA	daily rain	90.0 mm (3.5 in)	53.4 mm (2.1 in)	58 years	63 of 100 (Major)
12 December 1963	Zoetendals Vallei, ZA	daily rain	46.4 mm (1.8 in)	32.9 mm (1.3 in)	41 years	57 of 100 (Notable)
12 December 1963	Port Shepstone, ZA	daily rain	131.0 mm (5.2 in)	83.8 mm (3.3 in)	41 years	56 of 100 (Notable)
12 December 1963	Cameron Falls, CA	daily snowfall	27.9 cm (11.0 in)	17.7 cm (7.0 in)	33 years	54 of 100 (Notable)
12 December 1963	Umtata, ZA	daily rain	57.0 mm (2.2 in)	34.7 mm (1.4 in)	41 years	54 of 100 (Notable)
12 December 1963	Cameron Falls, CA	daily rain	27.9 mm (1.1 in)	17.7 mm (0.7 in)	33 years	53 of 100 (Notable)
12 December 1963	Bodalla Post Office, AU	daily rain	80.0 mm (3.1 in)	59.7 mm (2.4 in)	16 years	52 of 100 (Notable)
12 December 1963	Cezu (Bos), ZA	daily rain	51.5 mm (2.0 in)	38.0 mm (1.5 in)	33 years	50 of 100 (Notable)
12 December 1963	Acude Cruzeta, BR	daily rain	60.4 mm (2.4 in)	55.4 mm (2.2 in)	16 years	48 of 100 (Notable)
12 December 1963	Brynawe, Paddock, ZA	monthly rain	185.0 mm (7.3 in)	35.9 mm (1.4 in)	29 years	48 of 100 (Notable)
12 December 1963	Bimbowrie, AU	daily rain	44.5 mm (1.8 in)	27.7 mm (1.1 in)	54 years	47 of 100 (Notable)
12 December 1963	Greenville 2 NNE, US	daily snowfall	15.7 cm (6.2 in)	10.6 cm (4.2 in)	48 years	47 of 100 (Notable)
12 December 1963	Millwood (Bos), ZA	daily rain	54.6 mm (2.1 in)	30.2 mm (1.2 in)	44 years	46 of 100 (Notable)
12 December 1963	Kieskamahoek (Pol), ZA	daily rain	45.5 mm (1.8 in)	34.1 mm (1.3 in)	48 years	46 of 100 (Notable)
12 December 1963	Riverview, ZA	daily rain	85.0 mm (3.3 in)	70.5 mm (2.8 in)	16 years	46 of 100 (Notable)
12 December 1963	Les Cedres, CA	daily snowfall	25.4 cm (10.0 in)	16.5 cm (6.5 in)	30 years	45 of 100 (Notable)
12 December 1963	Bushy Vales, Margate, ZA	daily rain	82.1 mm (3.2 in)	46.8 mm (1.8 in)	40 years	44 of 100 (Notable)
12 December 1963	Owosso Wwtp, US	daily snowfall	14.0 cm (5.5 in)	8.9 cm (3.5 in)	58 years	44 of 100 (Notable)
12 December 1963	Yengarie Railway Station, AU	daily rain	54.6 mm (2.1 in)	32.5 mm (1.3 in)	71 years	43 of 100 (Notable)
12 December 1963	Kyelong Obsy, IN	daily rain	40.6 mm (1.6 in)	28.4 mm (1.1 in)	4 years	43 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 1963

Records set or tied on this calendar date in each year from 1796 to 1963. 1963 had 439 records.

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

Records on 12-12 in each year
Year	Records
1796	2
1798	1
1802	1
1808	2
1814	1
1825	2
1831	1
1835	2
1846	1
1855	2
1861	1
1863	3
1870	2
1871	5
1873	2
1879	2
1882	3
1887	1
1889	1
1891	2
1892	2
1893	8
1894	3
1895	1
1896	4
1897	3
1898	20
1899	11
1900	5
1901	4
1902	7
1903	18
1904	20
1905	10
1906	14
1907	8
1908	25
1909	20
1910	39
1911	104
1912	53
1913	20
1914	19
1915	46
1916	115
1917	246
1918	33
1919	23
1920	41
1921	63
1922	61
1923	91
1924	130
1925	75
1926	143
1927	335
1928	234
1929	405
1930	45
1931	522
1932	813
1933	358
1934	430
1935	266
1936	142
1937	468
1938	103
1939	418
1940	621
1941	260
1942	257
1943	165
1944	688
1945	212
1946	761
1947	295
1948	282
1949	789
1950	364
1951	175
1952	501
1953	288
1954	696
1955	381
1956	441
1957	1,118
1958	884
1959	464
1960	710
1961	1,481
1962	1,495
1963	439
1964	459
1965	1,045
1966	369
1967	565
1968	727
1969	499
1970	366
1971	585
1972	1,669
1973	397
1974	191
1975	492
1976	319
1977	907
1978	382
1979	1,016
1980	583
1981	734
1982	867
1983	816
1984	808
1985	1,384
1986	408
1987	468
1988	1,030
1989	930
1990	676
1991	1,980
1992	818
1993	887
1994	1,172
1995	2,030
1996	1,391
1997	869
1998	1,103
1999	952
2000	2,510
2001	700
2002	683
2003	537
2004	727
2005	769
2006	886
2007	1,315
2008	1,424
2009	818
2010	1,501
2011	621
2012	684
2013	646
2014	1,040
2015	1,496
2016	530
2017	808
2018	256
2019	418
2020	507
2021	441
2022	767
2023	544
2024	328
2025	1,485

Download the Data

Data for records on 1963-12-12: 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 25	281
25 to 50	67
50 to 75	17
75 to 100	4
100 to 125	4
125 to 150	1
150 to 175	1
175 to 200	1