Weather Records on 1 December 1963

282 weather records were set or tied worldwide on 1 December 1963. Highest significance: Midland Water Pollution Contro, CA.

Key Facts for 1 December 1963

On 1 December 1963, 282 weather records were set or tied at long-record stations worldwide.
22 were record highs and 105 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 4 monthly and 278 daily.
Midland Water Pollution Contro set a daily record snowfall of 33.0 cm (13.0 in) on 1 December 1963.
Across 162 earlier years (1797 to 2025) the same calendar date averaged 485 records.

Record Map

282 stations

282 station records on 1 December 1963 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 1 December 1963: highest significance records shown on the map
Station	Country	Type	Value	Significance
Midland Water Pollution Contro	Canada	Record daily snowfall	33.0 cm (13.0 in)	63 of 100 (Major)
Midland Water Pollution Contro	Canada	Record daily precipitation	33.0 mm (1.3 in)	61 of 100 (Major)
Yakutat AP	United States	Record daily precipitation	114.6 mm (4.5 in)	48 of 100 (Notable)
Cape Moreton Lighthouse	Australia	Record daily precipitation	70.6 mm (2.8 in)	46 of 100 (Notable)
Amamoor Forestry	Australia	Record daily precipitation	99.3 mm (3.9 in)	43 of 100 (Notable)
Sacramento 5 ESE	United States	Record low maximum temperature	7.8 C (46.0 F)	36 of 100 (Notable)
Mangalore	India	Record daily precipitation	36.7 mm (1.4 in)	35 of 100 (Notable)
Ebor (Glenowen)	Australia	Record daily precipitation	57.2 mm (2.3 in)	34 of 100 (Routine)
Morekulam	India	Record daily precipitation	114.3 mm (4.5 in)	34 of 100 (Routine)
Coominya Post Office	Australia	Record daily precipitation	68.8 mm (2.7 in)	33 of 100 (Routine)
Newman	United States	Record low maximum temperature	7.2 C (45.0 F)	33 of 100 (Routine)
Rochester	United States	Record daily snowfall	7.6 cm (3.0 in)	33 of 100 (Routine)
Dotswood Station	Australia	Record daily precipitation	27.9 mm (1.1 in)	32 of 100 (Routine)
Acude Sobral	Brazil	Record daily precipitation	25.2 mm (1.0 in)	32 of 100 (Routine)
Plain View	Australia	Record daily precipitation	75.7 mm (3.0 in)	31 of 100 (Routine)
Minsk	Belarus	Record low minimum temperature	-16.4 C (2.5 F)	30 of 100 (Routine)
Lodi	United States	Record low maximum temperature	6.7 C (44.1 F)	30 of 100 (Routine)
Vacaville	United States	Record low maximum temperature	7.2 C (45.0 F)	30 of 100 (Routine)
Snowville	United States	Record low maximum temperature	-2.8 C (27.0 F)	30 of 100 (Routine)
Mt Alford	Australia	Record daily precipitation	76.5 mm (3.0 in)	29 of 100 (Routine)
Saranac Lake	United States	Record low maximum temperature	-9.4 C (15.1 F)	29 of 100 (Routine)
Puttur	India	Record daily precipitation	39.4 mm (1.6 in)	28 of 100 (Routine)
Supai	United States	Record high minimum temperature	8.9 C (48.0 F)	28 of 100 (Routine)
Merced	United States	Record low maximum temperature	8.3 C (46.9 F)	28 of 100 (Routine)
Bokfontein	South Africa	Record daily precipitation	26.0 mm (1.0 in)	27 of 100 (Routine)
Punta Gorda	United States	Record low maximum temperature	17.8 C (64.0 F)	27 of 100 (Routine)
Holmleigh	Australia	Record daily precipitation	33.0 mm (1.3 in)	26 of 100 (Routine)
Moogerah Dam	Australia	Record daily precipitation	44.2 mm (1.7 in)	26 of 100 (Routine)
Bantwal	India	Record daily precipitation	47.7 mm (1.9 in)	26 of 100 (Routine)
Healdsburg	United States	Record low maximum temperature	10.0 C (50.0 F)	26 of 100 (Routine)
Juneau Dwtn	United States	Record high minimum temperature	5.6 C (42.1 F)	26 of 100 (Routine)
Lindfield	Australia	Record daily precipitation	59.7 mm (2.4 in)	25 of 100 (Routine)
Belthangady	India	Record daily precipitation	31.0 mm (1.2 in)	25 of 100 (Routine)
St Petersburg	United States	Record low maximum temperature	14.4 C (57.9 F)	25 of 100 (Routine)
Yungaburra	Australia	Record daily precipitation	41.9 mm (1.6 in)	24 of 100 (Routine)
Kandanga Post Office	Australia	Record daily precipitation	70.4 mm (2.8 in)	24 of 100 (Routine)
Roadvale Post Office	Australia	Record daily precipitation	55.9 mm (2.2 in)	24 of 100 (Routine)
Ghanzi	Botswana	Record daily precipitation	31.0 mm (1.2 in)	24 of 100 (Routine)
Barras	Brazil	Record daily precipitation	41.0 mm (1.6 in)	24 of 100 (Routine)
Teresina	Brazil	Record daily precipitation	59.7 mm (2.4 in)	24 of 100 (Routine)
Belle Isle	Canada	Record daily snowfall	15.2 cm (6.0 in)	24 of 100 (Routine)
Uthamapalayam	India	Record daily precipitation	50.0 mm (2.0 in)	24 of 100 (Routine)
Maricopa	United States	Record low maximum temperature	8.3 C (46.9 F)	24 of 100 (Routine)
Oakdale Woodward Dam	United States	Record low maximum temperature	7.2 C (45.0 F)	24 of 100 (Routine)
University	United States	Record low minimum temperature	-6.7 C (19.9 F)	24 of 100 (Routine)
Allardt	United States	Record daily snowfall	6.4 cm (2.5 in)	24 of 100 (Routine)
Ogden Pioneer Ph	United States	Record low maximum temperature	-1.1 C (30.0 F)	24 of 100 (Routine)
Nottingham Island	Canada	Record daily snowfall	6.4 cm (2.5 in)	23 of 100 (Routine)
Verhojansk	Russia	Record high maximum temperature	-12.3 C (9.9 F)	23 of 100 (Routine)
Jakutsk	Russia	Record high minimum temperature	-17.6 C (0.3 F)	23 of 100 (Routine)
Livermore	United States	Record low maximum temperature	11.1 C (52.0 F)	23 of 100 (Routine)
Petaluma AP	United States	Record low maximum temperature	10.6 C (51.1 F)	23 of 100 (Routine)
Water Valley	United States	Record low minimum temperature	-5.6 C (21.9 F)	23 of 100 (Routine)
Kuttiadi	India	Record daily precipitation	35.6 mm (1.4 in)	22 of 100 (Routine)
Conway	United States	Record low minimum temperature	-6.7 C (19.9 F)	22 of 100 (Routine)
Camp Pardee	United States	Record low maximum temperature	6.1 C (43.0 F)	22 of 100 (Routine)
Denair 3 NNE	United States	Record low maximum temperature	7.2 C (45.0 F)	22 of 100 (Routine)
Shoshone 1 WNW	United States	Record low maximum temperature	-4.4 C (24.1 F)	22 of 100 (Routine)
Ripogenus Dam	United States	Record high maximum temperature	15.0 C (59.0 F)	22 of 100 (Routine)
Waynesboro 2 W	United States	Record low minimum temperature	-7.2 C (19.0 F)	22 of 100 (Routine)

Counts by Type and Timescale

282 records

Records set or tied on 1 December 1963 by type: Highest daily maximum 11, Lowest daily maximum 73, Highest daily minimum 11, Lowest daily minimum 32, Heaviest daily rainfall 123, Heaviest daily snowfall 27, Deepest snow cover 5.

Records on 1 December 1963 by type
Record type	Records
Highest daily maximum	11
Lowest daily maximum	73
Highest daily minimum	11
Lowest daily minimum	32
Heaviest daily rainfall	123
Heaviest daily snowfall	27
Deepest snow cover	5

Records on 1 December 1963 by timescale: all-time 0, monthly 4, daily 278.

How Much Records Were Beaten By

226 broken records

Margins by which the 226 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

1 December 1963

Top 20 records on 1 December 1963 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
1 December 1963	Midland Water Pollution Contro, CA	daily snowfall	33.0 cm (13.0 in)	22.8 cm (9.0 in)	69 years	63 of 100 (Major)
1 December 1963	Midland Water Pollution Contro, CA	daily rain	33.0 mm (1.3 in)	22.8 mm (0.9 in)	69 years	61 of 100 (Major)
1 December 1963	Yakutat AP, US	daily rain	114.6 mm (4.5 in)	67.6 mm (2.7 in)	16 years	48 of 100 (Notable)
1 December 1963	Cape Moreton Lighthouse, AU	daily rain	70.6 mm (2.8 in)	47.2 mm (1.9 in)	46 years	46 of 100 (Notable)
1 December 1963	Amamoor Forestry, AU	daily rain	99.3 mm (3.9 in)	63.2 mm (2.5 in)	9 years	43 of 100 (Notable)
1 December 1963	Sacramento 5 ESE, US	daily low max	7.8 C (46.0 F)	1.6 C (2.9 F)	82 years	36 of 100 (Notable)
1 December 1963	Mangalore, IN	daily rain	36.7 mm (1.4 in)	26.5 mm (1.0 in)	52 years	35 of 100 (Notable)
1 December 1963	Ebor (Glenowen), AU	daily rain	57.2 mm (2.3 in)	32.3 mm (1.3 in)	8 years	34 of 100 (Routine)
1 December 1963	Morekulam, IN	daily rain	114.3 mm (4.5 in)	54.6 mm (2.1 in)	16 years	34 of 100 (Routine)
1 December 1963	Coominya Post Office, AU	daily rain	68.8 mm (2.7 in)	24.3 mm (1.0 in)	46 years	33 of 100 (Routine)
1 December 1963	Newman, US	daily low max	7.2 C (45.0 F)	3.9 C (7.0 F)	56 years	33 of 100 (Routine)
1 December 1963	Rochester, US	daily snowfall	7.6 cm (3.0 in)	5.1 cm (2.0 in)	52 years	33 of 100 (Routine)
1 December 1963	Dotswood Station, AU	daily rain	27.9 mm (1.1 in)	25.9 mm (1.0 in)	12 years	32 of 100 (Routine)
1 December 1963	Acude Sobral, BR	daily rain	25.2 mm (1.0 in)	22.4 mm (0.9 in)	40 years	32 of 100 (Routine)
1 December 1963	Plain View, AU	daily rain	75.7 mm (3.0 in)	38.9 mm (1.5 in)	18 years	31 of 100 (Routine)
1 December 1963	Minsk, BY	daily low min	-16.4 C (2.5 F)	2.0 C (3.6 F)	67 years	30 of 100 (Routine)
1 December 1963	Lodi, US	daily low max	6.7 C (44.1 F)	2.2 C (4.0 F)	57 years	30 of 100 (Routine)
1 December 1963	Vacaville, US	daily low max	7.2 C (45.0 F)	2.8 C (5.0 F)	54 years	30 of 100 (Routine)
1 December 1963	Snowville, US	daily low max	-2.8 C (27.0 F)	2.8 C (5.0 F)	60 years	30 of 100 (Routine)
1 December 1963	Mt Alford, AU	daily rain	76.5 mm (3.0 in)	26.2 mm (1.0 in)	18 years	29 of 100 (Routine)

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

1797 to 1963

Records set or tied on this calendar date in each year from 1797 to 1963. 1963 had 282 records.

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

Records on 12-01 in each year
Year	Records
1797	1
1805	1
1807	2
1810	1
1817	2
1821	1
1823	2
1831	1
1849	1
1856	3
1857	1
1858	1
1861	1
1863	1
1869	2
1871	1
1872	3
1873	6
1875	8
1876	4
1877	1
1879	7
1884	3
1885	3
1886	1
1887	2
1888	3
1889	2
1890	6
1891	1
1892	2
1893	1
1894	1
1895	4
1896	4
1897	10
1898	5
1899	4
1901	5
1902	7
1903	13
1904	4
1905	11
1906	3
1907	8
1908	40
1909	64
1910	39
1911	45
1912	37
1913	53
1914	142
1915	23
1916	29
1917	52
1918	32
1919	78
1920	192
1921	55
1922	85
1923	70
1924	135
1925	145
1926	115
1927	271
1928	85
1929	515
1930	128
1931	337
1932	383
1933	656
1934	667
1935	164
1936	433
1937	238
1938	159
1939	346
1940	300
1941	391
1942	424
1943	93
1944	478
1945	259
1946	224
1947	392
1948	252
1949	313
1950	437
1951	585
1952	762
1953	283
1954	308
1955	624
1956	338
1957	295
1958	531
1959	355
1960	258
1961	373
1962	1,073
1963	282
1964	1,181
1965	598
1966	995
1967	601
1968	883
1969	673
1970	1,299
1971	574
1972	843
1973	888
1974	1,339
1975	1,007
1976	1,294
1977	1,166
1978	777
1979	874
1980	1,019
1981	1,320
1982	1,759
1983	1,275
1984	513
1985	3,874
1986	803
1987	1,020
1988	538
1989	822
1990	514
1991	2,124
1992	552
1993	597
1994	717
1995	1,386
1996	1,448
1997	736
1998	1,698
1999	790
2000	777
2001	1,211
2002	637
2003	627
2004	1,033
2005	815
2006	2,866
2007	1,427
2008	879
2009	927
2010	1,991
2011	947
2012	1,027
2013	400
2014	677
2015	850
2016	384
2017	496
2018	807
2019	803
2020	567
2021	2,030
2022	584
2023	609
2024	636
2025	679

Download the Data

Data for records on 1963-12-01: 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	216
50 to 100	9
100 to 150	0
150 to 200	0
200 to 250	1