Weather Records on 1 December 1979

874 weather records were set or tied worldwide on 1 December 1979. Highest significance: Port Dover, CA.

Key Facts for 1 December 1979

On 1 December 1979, 874 weather records were set or tied at long-record stations worldwide.
258 were record highs and 376 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 38 monthly and 836 daily.
Port Dover set a daily record snowfall of 24.0 cm (9.4 in) on 1 December 1979.
Across 162 earlier years (1797 to 2025) the same calendar date averaged 481 records.

Record Map

874 stations

874 station records on 1 December 1979 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 1 December 1979: highest significance records shown on the map
Station	Country	Type	Value	Significance
Port Dover	Canada	Record daily snowfall	24.0 cm (9.4 in)	63 of 100 (Major)
Porthill	United States	Record daily snowfall	33.0 cm (13.0 in)	59 of 100 (Notable)
E Tawas	United States	Record daily snowfall	19.1 cm (7.5 in)	58 of 100 (Notable)
Creston	Canada	Record daily precipitation	28.6 mm (1.1 in)	56 of 100 (Notable)
Creston	Canada	Record daily snowfall	28.6 cm (11.3 in)	56 of 100 (Notable)
Cheyenne	United States	Record snow depth	43.2 cm (17.0 in)	55 of 100 (Notable)
La Grange	United States	Record snow depth	66.0 cm (26.0 in)	54 of 100 (Notable)
Parma Exp STN	United States	Record snow depth	12.7 cm (5.0 in)	53 of 100 (Notable)
Chugwater	United States	Record snow depth	71.1 cm (28.0 in)	52 of 100 (Notable)
Parys (Mun)	South Africa	Record daily precipitation	46.5 mm (1.8 in)	50 of 100 (Notable)
Novorossijsk	Russia	Record daily precipitation	44.9 mm (1.8 in)	49 of 100 (Notable)
Wheatland 4N	United States	Record snow depth	30.5 cm (12.0 in)	48 of 100 (Notable)
Port Dalhousie	Canada	Record daily snowfall	10.4 cm (4.1 in)	47 of 100 (Notable)
Dimbokro	Cote D'Ivoire	Record daily precipitation	57.2 mm (2.3 in)	47 of 100 (Notable)
Porthill	United States	Record daily precipitation	27.4 mm (1.1 in)	45 of 100 (Notable)
Magdalena	Mexico	Record daily precipitation	29.0 mm (1.1 in)	44 of 100 (Notable)
Odessa	United States	Record daily snowfall	7.6 cm (3.0 in)	41 of 100 (Notable)
Leipzig-Holzhausen	Germany	Record high minimum temperature	7.0 C (44.6 F)	40 of 100 (Notable)
Plymouth Pwr Substn	United States	Record daily snowfall	15.2 cm (6.0 in)	38 of 100 (Notable)
Harrisburg 12WNW	United States	Record snow depth	40.6 cm (16.0 in)	37 of 100 (Notable)
Agartala	India	Record daily precipitation	50.0 mm (2.0 in)	36 of 100 (Notable)
Scottsbluff W B Heilig Fld AP	United States	Record snow depth	20.3 cm (8.0 in)	36 of 100 (Notable)
Ephrata AP	United States	Record daily snowfall	12.7 cm (5.0 in)	36 of 100 (Notable)
Lawn Hill	Australia	Record daily precipitation	49.0 mm (1.9 in)	35 of 100 (Notable)
Gunnison 3SW	United States	Record low maximum temperature	-13.9 C (7.0 F)	35 of 100 (Notable)
Ouray	United States	Record low maximum temperature	-2.2 C (28.0 F)	35 of 100 (Notable)
Rangely 1E	United States	Record low minimum temperature	-22.2 C (-8.0 F)	35 of 100 (Notable)
Gaylord	United States	Record low minimum temperature	-21.1 C (-6.0 F)	35 of 100 (Notable)
Wallowa	United States	Record snow depth	22.9 cm (9.0 in)	35 of 100 (Notable)
Mountainair	United States	Record low minimum temperature	-15.0 C (5.0 F)	34 of 100 (Routine)
Ballinger 2 NW	United States	Record low minimum temperature	-12.2 C (10.0 F)	34 of 100 (Routine)
Snowville	United States	Record low minimum temperature	-19.4 C (-2.9 F)	34 of 100 (Routine)
Puerto Madero	Mexico	Record low minimum temperature	11.7 C (53.1 F)	33 of 100 (Routine)
Madrid - Retiro	Spain	Record high maximum temperature	18.6 C (65.5 F)	33 of 100 (Routine)
Cuyamaca	United States	Record high minimum temperature	10.0 C (50.0 F)	33 of 100 (Routine)
American Falls 6 NE	United States	Record low maximum temperature	-3.3 C (26.1 F)	33 of 100 (Routine)
Harrison	United States	Record snow depth	58.4 cm (23.0 in)	33 of 100 (Routine)
Henrietta	United States	Record low minimum temperature	-7.2 C (19.0 F)	33 of 100 (Routine)
Sulphur Springs	United States	Record low minimum temperature	-6.7 C (19.9 F)	33 of 100 (Routine)
Wilbur	United States	Record daily snowfall	12.7 cm (5.0 in)	33 of 100 (Routine)
Gorlitz	Germany	Record high minimum temperature	7.2 C (45.0 F)	32 of 100 (Routine)
Ft Collins	United States	Record snow depth	15.2 cm (6.0 in)	32 of 100 (Routine)
Brownwood 2NE	United States	Record low minimum temperature	-8.9 C (16.0 F)	32 of 100 (Routine)
Graham	United States	Record low minimum temperature	-10.6 C (12.9 F)	32 of 100 (Routine)
Weatherford	United States	Record low minimum temperature	-10.0 C (14.0 F)	32 of 100 (Routine)
Yoder 5 W	United States	Record snow depth	38.1 cm (15.0 in)	32 of 100 (Routine)
Sidney Muni AP	United States	Record snow depth	40.6 cm (16.0 in)	32 of 100 (Routine)
Crested Butte	United States	Record low minimum temperature	-31.7 C (-25.1 F)	31 of 100 (Routine)
Holyoke	United States	Record snow depth	15.2 cm (6.0 in)	31 of 100 (Routine)
Allegan 5NE	United States	Record daily snowfall	14.0 cm (5.5 in)	31 of 100 (Routine)
Ishpeming	United States	Record daily snowfall	12.7 cm (5.0 in)	31 of 100 (Routine)
Ardmore	United States	Record low minimum temperature	-6.1 C (21.0 F)	31 of 100 (Routine)
Durant	United States	Record low minimum temperature	-8.3 C (17.1 F)	31 of 100 (Routine)
Wenatchee	United States	Record daily snowfall	14.7 cm (5.8 in)	31 of 100 (Routine)
Puntilla	United States	Record snow depth	96.5 cm (38.0 in)	31 of 100 (Routine)
Seattle Tacoma AP	United States	Record daily precipitation	38.6 mm (1.5 in)	31 of 100 (Routine)
Rangely 1E	United States	Record low maximum temperature	-2.8 C (27.0 F)	30 of 100 (Routine)
Thompson Welcome Ctr	United States	Record low minimum temperature	-16.1 C (3.0 F)	30 of 100 (Routine)
Chewelah	United States	Record daily precipitation	45.7 mm (1.8 in)	30 of 100 (Routine)
Buffalo	United States	Record daily snowfall	25.1 cm (9.9 in)	30 of 100 (Routine)

Counts by Type and Timescale

874 records

Records set or tied on 1 December 1979 by type: Highest daily maximum 112, Lowest daily maximum 112, Highest daily minimum 146, Lowest daily minimum 264, Heaviest daily rainfall 111, Heaviest daily snowfall 56, Deepest snow cover 73.

Records on 1 December 1979 by type
Record type	Records
Highest daily maximum	112
Lowest daily maximum	112
Highest daily minimum	146
Lowest daily minimum	264
Heaviest daily rainfall	111
Heaviest daily snowfall	56
Deepest snow cover	73

Records on 1 December 1979 by timescale: all-time 0, monthly 38, daily 836.

How Much Records Were Beaten By

680 broken records

Margins by which the 680 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 381.0. Ties are not counted.

Top 20 by Significance

1 December 1979

Top 20 records on 1 December 1979 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
1 December 1979	Port Dover, CA	daily snowfall	24.0 cm (9.4 in)	15.1 cm (5.9 in)	81 years	63 of 100 (Major)
1 December 1979	Porthill, US	daily snowfall	33.0 cm (13.0 in)	17.8 cm (7.0 in)	76 years	59 of 100 (Notable)
1 December 1979	E Tawas, US	daily snowfall	19.1 cm (7.5 in)	14.0 cm (5.5 in)	68 years	58 of 100 (Notable)
1 December 1979	Creston, CA	daily rain	28.6 mm (1.1 in)	15.9 mm (0.6 in)	62 years	56 of 100 (Notable)
1 December 1979	Creston, CA	daily snowfall	28.6 cm (11.3 in)	15.9 cm (6.3 in)	62 years	56 of 100 (Notable)
1 December 1979	Cheyenne, US	monthly snow depth	43.2 cm (17.0 in)	15.3 cm (6.0 in)	30 years	55 of 100 (Notable)
1 December 1979	La Grange, US	monthly snow depth	66.0 cm (26.0 in)	38.1 cm (15.0 in)	5 years	54 of 100 (Notable)
1 December 1979	Parma Exp STN, US	daily snow depth	12.7 cm (5.0 in)	12.7 cm (5.0 in)	56 years	53 of 100 (Notable)
1 December 1979	Chugwater, US	monthly snow depth	71.1 cm (28.0 in)	10.1 cm (4.0 in)	65 years	52 of 100 (Notable)
1 December 1979	Parys (Mun), ZA	daily rain	46.5 mm (1.8 in)	26.7 mm (1.1 in)	70 years	50 of 100 (Notable)
1 December 1979	Novorossijsk, RU	daily rain	44.9 mm (1.8 in)	11.2 mm (0.4 in)	93 years	49 of 100 (Notable)
1 December 1979	Wheatland 4N, US	monthly snow depth	30.5 cm (12.0 in)	10.2 cm (4.0 in)	23 years	48 of 100 (Notable)
1 December 1979	Port Dalhousie, CA	daily snowfall	10.4 cm (4.1 in)	2.8 cm (1.1 in)	102 years	47 of 100 (Notable)
1 December 1979	Dimbokro, CI	daily rain	57.2 mm (2.3 in)	56.8 mm (2.2 in)	14 years	47 of 100 (Notable)
1 December 1979	Porthill, US	daily rain	27.4 mm (1.1 in)	7.1 mm (0.28 in)	76 years	45 of 100 (Notable)
1 December 1979	Magdalena, MX	daily rain	29.0 mm (1.1 in)	24.7 mm (1.0 in)	6 years	44 of 100 (Notable)
1 December 1979	Odessa, US	daily snowfall	7.6 cm (3.0 in)	5.1 cm (2.0 in)	60 years	41 of 100 (Notable)
1 December 1979	Leipzig-Holzhausen, DE	daily high min	7.0 C (44.6 F)	0.4 C (0.7 F)	106 years	40 of 100 (Notable)
1 December 1979	Plymouth Pwr Substn, US	daily snowfall	15.2 cm (6.0 in)	7.6 cm (3.0 in)	44 years	38 of 100 (Notable)
1 December 1979	Harrisburg 12WNW, US	monthly snow depth	40.6 cm (16.0 in)	2.5 cm (1.0 in)	60 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

1797 to 1979

Records set or tied on this calendar date in each year from 1797 to 1979. 1979 had 874 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 1979-12-01: 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	631
50 to 100	31
100 to 150	10
150 to 200	6
200 to 250	0
250 to 300	0
300 to 350	0
350 to 400	2