Weather Records on 2 December 1986

887 weather records were set or tied worldwide on 2 December 1986. Highest significance: Alton 1 W, US.

Key Facts for 2 December 1986

On 2 December 1986, 887 weather records were set or tied at long-record stations worldwide.
124 were record highs and 78 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 33 monthly and 854 daily.
Alton 1 W set a daily record snowfall of 20.3 cm (8.0 in) on 2 December 1986.
Across 164 earlier years (1797 to 2025) the same calendar date averaged 468 records.

Record Map

887 stations

887 station records on 2 December 1986 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 2 December 1986: highest significance records shown on the map
Station	Country	Type	Value	Significance
Alton 1 W	United States	Record daily snowfall	20.3 cm (8.0 in)	73 of 100 (Major)
Carrollton 3 NNE	United States	Record daily precipitation	57.9 mm (2.3 in)	73 of 100 (Major)
Philo 3 SW	United States	Record daily precipitation	52.8 mm (2.1 in)	63 of 100 (Major)
Delaware	United States	Record daily precipitation	31.8 mm (1.3 in)	58 of 100 (Notable)
Mc Connellsville Lk 7	United States	Record daily precipitation	40.1 mm (1.6 in)	58 of 100 (Notable)
Covert	United States	Record daily snowfall	25.4 cm (10.0 in)	57 of 100 (Notable)
Lebanon	United States	Record daily snowfall	12.7 cm (5.0 in)	57 of 100 (Notable)
Waverly	United States	Record daily precipitation	48.3 mm (1.9 in)	57 of 100 (Notable)
Hardy	United States	Record daily snowfall	15.2 cm (6.0 in)	56 of 100 (Notable)
Warren 3 S	United States	Record daily precipitation	34.0 mm (1.3 in)	56 of 100 (Notable)
Ionia	United States	Record daily snowfall	10.2 cm (4.0 in)	55 of 100 (Notable)
Jackson 3 NW	United States	Record daily precipitation	48.3 mm (1.9 in)	55 of 100 (Notable)
Iguala (Smn)	Mexico	Record daily precipitation	48.8 mm (1.9 in)	54 of 100 (Notable)
Coshocton Wpc Plt	United States	Record daily precipitation	41.9 mm (1.6 in)	54 of 100 (Notable)
Hillsboro	United States	Record daily precipitation	43.9 mm (1.7 in)	53 of 100 (Notable)
Iguala (Dge)	Mexico	Record daily precipitation	49.8 mm (2.0 in)	52 of 100 (Notable)
Madison	United States	Record daily snowfall	6.4 cm (2.5 in)	52 of 100 (Notable)
Falmouth	United States	Record daily precipitation	44.7 mm (1.8 in)	51 of 100 (Notable)
Caldwell 6 NW	United States	Record daily precipitation	39.6 mm (1.6 in)	51 of 100 (Notable)
Portsmouth-Sciotoville	United States	Record daily precipitation	46.7 mm (1.8 in)	51 of 100 (Notable)
Washington Court House	United States	Record daily precipitation	36.6 mm (1.4 in)	51 of 100 (Notable)
Sparta	United States	Record daily precipitation	25.4 mm (1.0 in)	49 of 100 (Notable)
Rochester Gtr Intl	United States	Record daily precipitation	37.1 mm (1.5 in)	49 of 100 (Notable)
Tarkio	United States	Record daily precipitation	36.8 mm (1.4 in)	49 of 100 (Notable)
Buenavista	Mexico	Record daily precipitation	54.6 mm (2.1 in)	48 of 100 (Notable)
Clay Ctr	United States	Record daily snowfall	7.6 cm (3.0 in)	48 of 100 (Notable)
Grandfather Mtn	United States	Record daily precipitation	50.5 mm (2.0 in)	48 of 100 (Notable)
Kings Mills	United States	Record daily precipitation	33.3 mm (1.3 in)	48 of 100 (Notable)
Newark Wtr Wks	United States	Record daily precipitation	43.7 mm (1.7 in)	48 of 100 (Notable)
Urbana Wrf	United States	Record daily precipitation	29.7 mm (1.2 in)	48 of 100 (Notable)
Steubenville	United States	Record daily precipitation	39.9 mm (1.6 in)	47 of 100 (Notable)
Utica	United States	Record daily precipitation	38.1 mm (1.5 in)	47 of 100 (Notable)
Wilmington 3 N	United States	Record daily precipitation	37.8 mm (1.5 in)	47 of 100 (Notable)
Willow Grove NAS	United States	Record daily precipitation	65.0 mm (2.6 in)	47 of 100 (Notable)
Zanesville Muni AP	United States	Record daily precipitation	38.9 mm (1.5 in)	47 of 100 (Notable)
Maysville Wwtp	United States	Record daily precipitation	32.5 mm (1.3 in)	46 of 100 (Notable)
Canfield 1 S	United States	Record daily precipitation	44.2 mm (1.7 in)	46 of 100 (Notable)
Youngstown-Warren Rgnl AP	United States	Record daily precipitation	38.6 mm (1.5 in)	46 of 100 (Notable)
Plainville 4WNW	United States	Record daily snowfall	11.4 cm (4.5 in)	45 of 100 (Notable)
Mohawk Dam	United States	Record daily precipitation	40.1 mm (1.6 in)	45 of 100 (Notable)
Galax Radio Wbrf	United States	Record daily precipitation	58.4 mm (2.3 in)	45 of 100 (Notable)
Pawnee City	United States	Record daily snowfall	5.1 cm (2.0 in)	44 of 100 (Notable)
Superior	United States	Record daily snowfall	13.5 cm (5.3 in)	44 of 100 (Notable)
Amesville	United States	Record daily precipitation	40.1 mm (1.6 in)	44 of 100 (Notable)
Bradford 4SW Rsch 5	United States	Record daily precipitation	29.2 mm (1.1 in)	44 of 100 (Notable)
Tarkio	United States	Record daily snowfall	7.6 cm (3.0 in)	44 of 100 (Notable)
Mt Douglas	Australia	Record daily precipitation	75.2 mm (3.0 in)	43 of 100 (Notable)
Harwood Island (Harwood Sugar	Australia	Record daily precipitation	60.6 mm (2.4 in)	43 of 100 (Notable)
Matias Romero (Smn)	Mexico	Record daily precipitation	48.8 mm (1.9 in)	43 of 100 (Notable)
Pittsburgh ASOS	United States	Record daily precipitation	36.3 mm (1.4 in)	43 of 100 (Notable)
Esbon 7 N	United States	Record daily snowfall	12.7 cm (5.0 in)	42 of 100 (Notable)
Westfield 2 SSE	United States	Record daily precipitation	41.9 mm (1.6 in)	42 of 100 (Notable)
Dayton Mcd	United States	Record daily precipitation	26.4 mm (1.0 in)	42 of 100 (Notable)
Roanoke-Blacksburg Rgnl AP	United States	Record daily precipitation	43.9 mm (1.7 in)	42 of 100 (Notable)
Sao Paulo	Brazil	Record daily precipitation	105.3 mm (4.1 in)	41 of 100 (Notable)
Creston 2 SW	United States	Record daily snowfall	5.1 cm (2.0 in)	41 of 100 (Notable)
Centralia	United States	Record daily snowfall	5.1 cm (2.0 in)	41 of 100 (Notable)
Carrollton Lock 1	United States	Record daily precipitation	38.6 mm (1.5 in)	41 of 100 (Notable)
Ashland #2	United States	Record daily snowfall	8.9 cm (3.5 in)	41 of 100 (Notable)
Buckeye Lake 1 N	United States	Record daily precipitation	33.3 mm (1.3 in)	41 of 100 (Notable)

Counts by Type and Timescale

887 records

Records set or tied on 2 December 1986 by type: Highest daily maximum 48, Lowest daily maximum 25, Highest daily minimum 76, Lowest daily minimum 53, Heaviest daily rainfall 569, Heaviest daily snowfall 91, Deepest snow cover 25.

Records on 2 December 1986 by type
Record type	Records
Highest daily maximum	48
Lowest daily maximum	25
Highest daily minimum	76
Lowest daily minimum	53
Heaviest daily rainfall	569
Heaviest daily snowfall	91
Deepest snow cover	25

Records on 2 December 1986 by timescale: all-time 0, monthly 33, daily 854.

How Much Records Were Beaten By

785 broken records

Margins by which the 785 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 254.0. Ties are not counted.

Top 20 by Significance

2 December 1986

Top 20 records on 2 December 1986 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
2 December 1986	Alton 1 W, US	daily snowfall	20.3 cm (8.0 in)	20.3 cm (8.0 in)	84 years	73 of 100 (Major)
2 December 1986	Carrollton 3 NNE, US	monthly rain	57.9 mm (2.3 in)	18.3 mm (0.7 in)	90 years	73 of 100 (Major)
2 December 1986	Philo 3 SW, US	monthly rain	52.8 mm (2.1 in)	13.4 mm (0.5 in)	84 years	63 of 100 (Major)
2 December 1986	Delaware, US	daily rain	31.8 mm (1.3 in)	17.3 mm (0.7 in)	80 years	58 of 100 (Notable)
2 December 1986	Mc Connellsville Lk 7, US	daily rain	40.1 mm (1.6 in)	19.5 mm (0.8 in)	80 years	58 of 100 (Notable)
2 December 1986	Covert, US	daily snowfall	25.4 cm (10.0 in)	25.4 cm (10.0 in)	44 years	57 of 100 (Notable)
2 December 1986	Lebanon, US	daily snowfall	12.7 cm (5.0 in)	12.7 cm (5.0 in)	85 years	57 of 100 (Notable)
2 December 1986	Waverly, US	daily rain	48.3 mm (1.9 in)	20.6 mm (0.8 in)	80 years	57 of 100 (Notable)
2 December 1986	Hardy, US	daily snowfall	15.2 cm (6.0 in)	15.2 cm (6.0 in)	68 years	56 of 100 (Notable)
2 December 1986	Warren 3 S, US	daily rain	34.0 mm (1.3 in)	12.9 mm (0.5 in)	90 years	56 of 100 (Notable)
2 December 1986	Ionia, US	daily snowfall	10.2 cm (4.0 in)	10.2 cm (4.0 in)	91 years	55 of 100 (Notable)
2 December 1986	Jackson 3 NW, US	daily rain	48.3 mm (1.9 in)	35.1 mm (1.4 in)	31 years	55 of 100 (Notable)
2 December 1986	Iguala (Smn), MX	monthly rain	48.8 mm (1.9 in)	20.4 mm (0.8 in)	60 years	54 of 100 (Notable)
2 December 1986	Coshocton Wpc Plt, US	daily rain	41.9 mm (1.6 in)	17.8 mm (0.7 in)	73 years	54 of 100 (Notable)
2 December 1986	Hillsboro, US	daily rain	43.9 mm (1.7 in)	18.0 mm (0.7 in)	80 years	53 of 100 (Notable)
2 December 1986	Iguala (Dge), MX	monthly rain	49.8 mm (2.0 in)	37.1 mm (1.5 in)	7 years	52 of 100 (Notable)
2 December 1986	Madison, US	daily snowfall	6.4 cm (2.5 in)	6.4 cm (2.5 in)	84 years	52 of 100 (Notable)
2 December 1986	Falmouth, US	daily rain	44.7 mm (1.8 in)	16.8 mm (0.7 in)	80 years	51 of 100 (Notable)
2 December 1986	Caldwell 6 NW, US	daily rain	39.6 mm (1.6 in)	23.3 mm (0.9 in)	49 years	51 of 100 (Notable)
2 December 1986	Portsmouth-Sciotoville, US	daily rain	46.7 mm (1.8 in)	31.7 mm (1.2 in)	31 years	51 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 1986

Records set or tied on this calendar date in each year from 1797 to 1986. 1986 had 887 records.

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

Records on 12-02 in each year
Year	Records
1797	2
1807	2
1810	2
1817	1
1823	1
1828	1
1829	2
1846	1
1847	1
1852	1
1856	4
1857	1
1858	1
1859	1
1863	2
1867	1
1870	3
1871	1
1872	4
1873	1
1874	2
1875	4
1876	5
1878	1
1879	9
1884	2
1886	2
1887	2
1888	1
1889	1
1890	4
1892	1
1893	4
1894	3
1895	2
1896	3
1897	4
1898	10
1899	5
1900	1
1901	5
1902	6
1903	9
1904	1
1905	17
1906	10
1907	8
1908	15
1909	37
1910	18
1911	56
1912	81
1913	67
1914	101
1915	19
1916	169
1917	40
1918	50
1919	99
1920	43
1921	113
1922	59
1923	28
1924	168
1925	156
1926	167
1927	460
1928	77
1929	545
1930	272
1931	305
1932	525
1933	485
1934	194
1935	143
1936	331
1937	265
1938	335
1939	345
1940	551
1941	752
1942	835
1943	179
1944	276
1945	222
1946	198
1947	633
1948	211
1949	254
1950	598
1951	629
1952	614
1953	482
1954	317
1955	561
1956	594
1957	217
1958	442
1959	412
1960	410
1961	341
1962	1,144
1963	250
1964	726
1965	496
1966	1,117
1967	804
1968	753
1969	548
1970	1,232
1971	764
1972	547
1973	1,031
1974	1,019
1975	721
1976	920
1977	723
1978	1,056
1979	862
1980	1,428
1981	739
1982	3,111
1983	1,041
1984	701
1985	3,666
1986	887
1987	1,118
1988	613
1989	981
1990	616
1991	1,970
1992	719
1993	632
1994	632
1995	1,002
1996	1,180
1997	816
1998	1,732
1999	706
2000	735
2001	639
2002	615
2003	554
2004	798
2005	944
2006	1,388
2007	1,704
2008	871
2009	1,013
2010	1,602
2011	730
2012	1,265
2013	557
2014	546
2015	818
2016	269
2017	737
2018	1,152
2019	615
2020	534
2021	1,988
2022	771
2023	591
2024	715
2025	889

Download the Data

Data for records on 1986-12-02: 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	737
50 to 100	35
100 to 150	10
150 to 200	1
200 to 250	1
250 to 300	1