Weather Records on 1 December 1970

1,299 weather records were set or tied worldwide on 1 December 1970. Highest significance: River Jordan, CA.

Key Facts for 1 December 1970

On 1 December 1970, 1,299 weather records were set or tied at long-record stations worldwide.
898 were record highs and 109 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 92 monthly and 1,207 daily.
River Jordan set a daily record snowfall of 15.2 cm (6.0 in) on 1 December 1970.
Across 162 earlier years (1797 to 2025) the same calendar date averaged 478 records.

Record Map

1,299 stations

1,299 station records on 1 December 1970 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 1 December 1970: highest significance records shown on the map
Station	Country	Type	Value	Significance
River Jordan	Canada	Record daily snowfall	15.2 cm (6.0 in)	64 of 100 (Major)
Detroit	United States	Record daily snowfall	30.5 cm (12.0 in)	62 of 100 (Major)
Watersmeet	United States	Record daily snowfall	25.4 cm (10.0 in)	48 of 100 (Notable)
Kanevskaja	Russia	Record daily precipitation	29.9 mm (1.2 in)	44 of 100 (Notable)
Tihoreck	Russia	Record daily precipitation	27.6 mm (1.1 in)	42 of 100 (Notable)
Makanga	Malawi	Record daily precipitation	91.9 mm (3.6 in)	41 of 100 (Notable)
Harrison	United States	Record high minimum temperature	15.6 C (60.1 F)	40 of 100 (Notable)
Howe	United States	Record daily snowfall	10.2 cm (4.0 in)	40 of 100 (Notable)
Grand Marais	United States	Record daily precipitation	25.4 mm (1.0 in)	40 of 100 (Notable)
Willow Sprg Radio Kuku	United States	Record high minimum temperature	11.7 C (53.1 F)	40 of 100 (Notable)
Barkerville	Canada	Record low maximum temperature	-20.0 C (-4.0 F)	39 of 100 (Notable)
Tuscola	United States	Record high minimum temperature	11.7 C (53.1 F)	39 of 100 (Notable)
Moosonee Ua	Canada	Record daily snowfall	11.4 cm (4.5 in)	37 of 100 (Notable)
Woodruff	United States	Record daily snowfall	15.2 cm (6.0 in)	37 of 100 (Notable)
Mt Adams Rs	United States	Record daily snowfall	35.6 cm (14.0 in)	36 of 100 (Notable)
Ribeirao Bonito	Brazil	Record daily precipitation	95.0 mm (3.7 in)	35 of 100 (Notable)
Russellville	United States	Record high minimum temperature	16.1 C (61.0 F)	35 of 100 (Notable)
Lifton Pumping STN	United States	Record daily snowfall	10.2 cm (4.0 in)	35 of 100 (Notable)
Henderson 8 SSW	United States	Record high minimum temperature	15.6 C (60.1 F)	35 of 100 (Notable)
Sulphur Springs	United States	Record high minimum temperature	15.6 C (60.1 F)	35 of 100 (Notable)
Sitka Magnetic Obsy	United States	Record low maximum temperature	-6.7 C (19.9 F)	35 of 100 (Notable)
Langara	Canada	Record low minimum temperature	-11.1 C (12.0 F)	34 of 100 (Routine)
Racine Wwtp	United States	Record high maximum temperature	17.8 C (64.0 F)	34 of 100 (Routine)
Sitka Magnetic Obsy	United States	Record low minimum temperature	-14.4 C (6.1 F)	34 of 100 (Routine)
Lincoln UNIV Pwr Plt	United States	Record high maximum temperature	17.8 C (64.0 F)	34 of 100 (Routine)
Agassiz Cda	Canada	Record low maximum temperature	0.0 C (32.0 F)	33 of 100 (Routine)
Decatur Wtp	United States	Record high maximum temperature	22.2 C (72.0 F)	33 of 100 (Routine)
Decatur Wtp	United States	Record high minimum temperature	13.3 C (55.9 F)	33 of 100 (Routine)
Pana	United States	Record high maximum temperature	21.1 C (70.0 F)	33 of 100 (Routine)
Rolla Missouri S&T	United States	Record high minimum temperature	15.0 C (59.0 F)	33 of 100 (Routine)
Rantoul	United States	Record high maximum temperature	20.0 C (68.0 F)	33 of 100 (Routine)
Joliet	United States	Record high minimum temperature	5.6 C (42.1 F)	33 of 100 (Routine)
Carbondale Sewage Plt	United States	Record high minimum temperature	16.7 C (62.1 F)	32 of 100 (Routine)
Willow Sprg Radio Kuku	United States	Record high maximum temperature	23.3 C (73.9 F)	32 of 100 (Routine)
Minden	United States	Record snow depth	12.7 cm (5.0 in)	32 of 100 (Routine)
Beaver	United States	Record high maximum temperature	25.6 C (78.1 F)	32 of 100 (Routine)
Cookeville	United States	Record high maximum temperature	23.9 C (75.0 F)	32 of 100 (Routine)
Seattle Urban Site	United States	Record low maximum temperature	3.3 C (37.9 F)	32 of 100 (Routine)
Santa Rosa de Viterbo (Cmef)	Brazil	Record daily precipitation	70.6 mm (2.8 in)	31 of 100 (Routine)
Hvar	Croatia	Record high minimum temperature	15.1 C (59.2 F)	31 of 100 (Routine)
Ozark	United States	Record high minimum temperature	16.7 C (62.1 F)	31 of 100 (Routine)
1 N McLeansboro	United States	Record high minimum temperature	15.6 C (60.1 F)	31 of 100 (Routine)
Paris Stp	United States	Record high minimum temperature	12.8 C (55.0 F)	31 of 100 (Routine)
Phillipsburg 1 SSE	United States	Record high maximum temperature	22.2 C (72.0 F)	31 of 100 (Routine)
Ketchikan AP	United States	Record low minimum temperature	-13.3 C (8.1 F)	31 of 100 (Routine)
Newport	United States	Record high maximum temperature	23.9 C (75.0 F)	30 of 100 (Routine)
Sterling	United States	Record high minimum temperature	3.3 C (37.9 F)	30 of 100 (Routine)
Fleming	United States	Record high maximum temperature	25.6 C (78.1 F)	30 of 100 (Routine)
Paul 1ENE	United States	Record daily snowfall	5.1 cm (2.0 in)	30 of 100 (Routine)
Harrisburg	United States	Record high minimum temperature	16.7 C (62.1 F)	30 of 100 (Routine)
Mattoon	United States	Record high minimum temperature	7.8 C (46.0 F)	30 of 100 (Routine)
Olney 2S	United States	Record high minimum temperature	15.6 C (60.1 F)	30 of 100 (Routine)
Benton Harbor AP	United States	Record high maximum temperature	20.6 C (69.1 F)	30 of 100 (Routine)
Kalamazoo State Hospital	United States	Record high maximum temperature	19.4 C (66.9 F)	30 of 100 (Routine)
Houston	United States	Record high minimum temperature	13.3 C (55.9 F)	30 of 100 (Routine)
Salem	United States	Record high minimum temperature	13.9 C (57.0 F)	30 of 100 (Routine)
Poteau	United States	Record high minimum temperature	17.8 C (64.0 F)	30 of 100 (Routine)
Mc Minnville	United States	Record high maximum temperature	22.2 C (72.0 F)	30 of 100 (Routine)
Lexington Bluegrass AP	United States	Record high minimum temperature	13.9 C (57.0 F)	30 of 100 (Routine)
Ocean Falls	Canada	Record low minimum temperature	-11.7 C (10.9 F)	29 of 100 (Routine)

Counts by Type and Timescale

1,299 records

Records set or tied on 1 December 1970 by type: Highest daily maximum 555, Lowest daily maximum 73, Highest daily minimum 343, Lowest daily minimum 36, Heaviest daily rainfall 195, Heaviest daily snowfall 72, Deepest snow cover 25.

Records on 1 December 1970 by type
Record type	Records
Highest daily maximum	555
Lowest daily maximum	73
Highest daily minimum	343
Lowest daily minimum	36
Heaviest daily rainfall	195
Heaviest daily snowfall	72
Deepest snow cover	25

Records on 1 December 1970 by timescale: all-time 0, monthly 92, daily 1,207.

How Much Records Were Beaten By

1,017 broken records

Margins by which the 1,017 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 280.0. Ties are not counted.

Top 20 by Significance

1 December 1970

Top 20 records on 1 December 1970 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
1 December 1970	River Jordan, CA	daily snowfall	15.2 cm (6.0 in)	15.2 cm (6.0 in)	61 years	64 of 100 (Major)
1 December 1970	Detroit, US	daily snowfall	30.5 cm (12.0 in)	28.0 cm (11.0 in)	60 years	62 of 100 (Major)
1 December 1970	Watersmeet, US	daily snowfall	25.4 cm (10.0 in)	17.5 cm (6.9 in)	13 years	48 of 100 (Notable)
1 December 1970	Kanevskaja, RU	daily rain	29.9 mm (1.2 in)	16.9 mm (0.7 in)	33 years	44 of 100 (Notable)
1 December 1970	Tihoreck, RU	daily rain	27.6 mm (1.1 in)	15.8 mm (0.6 in)	16 years	42 of 100 (Notable)
1 December 1970	Makanga, MW	daily rain	91.9 mm (3.6 in)	60.1 mm (2.4 in)	23 years	41 of 100 (Notable)
1 December 1970	Harrison, US	daily high min	15.6 C (60.1 F)	5.6 C (10.1 F)	77 years	40 of 100 (Notable)
1 December 1970	Howe, US	daily snowfall	10.2 cm (4.0 in)	10.2 cm (4.0 in)	37 years	40 of 100 (Notable)
1 December 1970	Grand Marais, US	daily rain	25.4 mm (1.0 in)	10.2 mm (0.4 in)	52 years	40 of 100 (Notable)
1 December 1970	Willow Sprg Radio Kuku, US	daily high min	11.7 C (53.1 F)	8.4 C (15.1 F)	64 years	40 of 100 (Notable)
1 December 1970	Barkerville, CA	daily low max	-20.0 C (-4.0 F)	7.8 C (14.0 F)	64 years	39 of 100 (Notable)
1 December 1970	Tuscola, US	daily high min	11.7 C (53.1 F)	7.8 C (14.0 F)	68 years	39 of 100 (Notable)
1 December 1970	Moosonee Ua, CA	daily snowfall	11.4 cm (4.5 in)	7.6 cm (3.0 in)	33 years	37 of 100 (Notable)
1 December 1970	Woodruff, US	daily snowfall	15.2 cm (6.0 in)	5.0 cm (2.0 in)	56 years	37 of 100 (Notable)
1 December 1970	Mt Adams Rs, US	daily snowfall	35.6 cm (14.0 in)	22.9 cm (9.0 in)	20 years	36 of 100 (Notable)
1 December 1970	Ribeirao Bonito, BR	daily rain	95.0 mm (3.7 in)	40.0 mm (1.6 in)	20 years	35 of 100 (Notable)
1 December 1970	Russellville, US	daily high min	16.1 C (61.0 F)	2.8 C (5.0 F)	75 years	35 of 100 (Notable)
1 December 1970	Lifton Pumping STN, US	daily snowfall	10.2 cm (4.0 in)	5.1 cm (2.0 in)	51 years	35 of 100 (Notable)
1 December 1970	Henderson 8 SSW, US	daily high min	15.6 C (60.1 F)	3.9 C (7.0 F)	75 years	35 of 100 (Notable)
1 December 1970	Sulphur Springs, US	daily high min	15.6 C (60.1 F)	3.9 C (7.0 F)	75 years	35 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 1970

Records set or tied on this calendar date in each year from 1797 to 1970. 1970 had 1,299 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 1970-12-01: 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	980
50 to 100	23
100 to 150	5
150 to 200	4
200 to 250	2
250 to 300	3