Weather Records on 6 November 1986

810 weather records were set or tied worldwide on 6 November 1986. Highest significance: Mystic Lake, US.

Key Facts for 6 November 1986

On 6 November 1986, 810 weather records were set or tied at long-record stations worldwide.
174 were record highs and 94 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 21 monthly and 788 daily.
Mystic Lake set a monthly record daily snowfall of 66.0 cm (26.0 in) on 6 November 1986.
Across 162 earlier years (1793 to 2025) the same calendar date averaged 490 records.

Record Map

810 stations

810 station records on 6 November 1986 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 6 November 1986: highest significance records shown on the map
Station	Country	Type	Value	Significance
Mystic Lake	United States	Record daily snowfall	66.0 cm (26.0 in)	64 of 100 (Major)
Shoshoni	United States	Record daily snowfall	15.2 cm (6.0 in)	61 of 100 (Major)
Red Lodge	United States	Record daily precipitation	51.1 mm (2.0 in)	55 of 100 (Notable)
Glenville	United States	Record daily precipitation	43.7 mm (1.7 in)	55 of 100 (Notable)
Tel Aviv Reading	Israel	Record daily precipitation	91.1 mm (3.6 in)	51 of 100 (Notable)
Woodstock	United States	Record snow depth	20.3 cm (8.0 in)	50 of 100 (Notable)
Hill City	United States	Record daily snowfall	27.9 cm (11.0 in)	49 of 100 (Notable)
Morokweng (Pol)	South Africa	Record daily precipitation	35.5 mm (1.4 in)	48 of 100 (Notable)
Garcia	Brazil	Record daily precipitation	96.4 mm (3.8 in)	47 of 100 (Notable)
Ingwavuma (Tnk)	South Africa	Record daily precipitation	77.5 mm (3.1 in)	47 of 100 (Notable)
Buena Vista 2S	United States	Record snow depth	30.5 cm (12.0 in)	47 of 100 (Notable)
Saint Ignatius	United States	Record daily precipitation	27.9 mm (1.1 in)	47 of 100 (Notable)
Okeene	United States	Record daily precipitation	59.2 mm (2.3 in)	47 of 100 (Notable)
Nova Bremen	Brazil	Record daily precipitation	79.5 mm (3.1 in)	46 of 100 (Notable)
Bridger 2 N	United States	Record daily snowfall	11.4 cm (4.5 in)	46 of 100 (Notable)
Woodstock	United States	Record daily snowfall	20.3 cm (8.0 in)	46 of 100 (Notable)
Jundiai	Brazil	Record daily precipitation	88.1 mm (3.5 in)	45 of 100 (Notable)
UNIV of Utah	United States	Record daily snowfall	13.0 cm (5.1 in)	45 of 100 (Notable)
Major Gercino	Brazil	Record daily precipitation	150.0 mm (5.9 in)	44 of 100 (Notable)
Chelsea	United States	Record daily snowfall	16.5 cm (6.5 in)	44 of 100 (Notable)
Echeta 2 NW	United States	Record daily snowfall	15.2 cm (6.0 in)	44 of 100 (Notable)
Nova Trento	Brazil	Record daily precipitation	97.0 mm (3.8 in)	43 of 100 (Notable)
Grafton	United States	Record daily snowfall	10.2 cm (4.0 in)	43 of 100 (Notable)
Botataboomen	South Africa	Record daily precipitation	59.5 mm (2.3 in)	42 of 100 (Notable)
Philippi	United States	Record daily precipitation	33.8 mm (1.3 in)	42 of 100 (Notable)
Grant 5 SE	United States	Record daily snowfall	9.7 cm (3.8 in)	41 of 100 (Notable)
Cavendish	United States	Record snow depth	10.2 cm (4.0 in)	41 of 100 (Notable)
Rairden 2WSW	United States	Record daily snowfall	8.9 cm (3.5 in)	41 of 100 (Notable)
Houston	United States	Record daily precipitation	25.7 mm (1.0 in)	40 of 100 (Notable)
Clearmont 5 SW	United States	Record daily snowfall	10.9 cm (4.3 in)	40 of 100 (Notable)
Dillinger	United States	Record daily snowfall	10.2 cm (4.0 in)	40 of 100 (Notable)
Allenspark 2SE	United States	Record daily snowfall	30.5 cm (12.0 in)	39 of 100 (Notable)
Talbotton	United States	Record high minimum temperature	18.9 C (66.0 F)	39 of 100 (Notable)
Rochester	United States	Record daily snowfall	17.8 cm (7.0 in)	39 of 100 (Notable)
Weston	United States	Record daily precipitation	36.1 mm (1.4 in)	39 of 100 (Notable)
Pocatello Rgnl AP	United States	Record daily snowfall	9.4 cm (3.7 in)	39 of 100 (Notable)
Brandenberg	United States	Record daily snowfall	17.8 cm (7.0 in)	38 of 100 (Notable)
Chelsea	United States	Record snow depth	17.8 cm (7.0 in)	38 of 100 (Notable)
Basin	United States	Record daily snowfall	10.9 cm (4.3 in)	38 of 100 (Notable)
Gillette 3SE	United States	Record daily snowfall	12.7 cm (5.0 in)	38 of 100 (Notable)
Casper-Natrona Co AP	United States	Record daily snowfall	15.5 cm (6.1 in)	38 of 100 (Notable)
Echo Dam	United States	Record daily snowfall	12.7 cm (5.0 in)	37 of 100 (Notable)
Honolulu Intl AP	United States	Record high maximum temperature	33.9 C (93.0 F)	37 of 100 (Notable)
Ituporanga (Pcd)	Brazil	Record daily precipitation	73.6 mm (2.9 in)	36 of 100 (Notable)
Elberton 2 N	United States	Record high minimum temperature	16.1 C (61.0 F)	36 of 100 (Notable)
Red Lodge	United States	Record daily snowfall	55.9 cm (22.0 in)	36 of 100 (Notable)
Plymouth	United States	Record daily snowfall	15.2 cm (6.0 in)	36 of 100 (Notable)
Augusta State AP	United States	Record daily snowfall	11.4 cm (4.5 in)	36 of 100 (Notable)
Fazenda Boa Esperanca	Brazil	Record daily precipitation	82.3 mm (3.2 in)	35 of 100 (Notable)
Madison	United States	Record low maximum temperature	0.0 C (32.0 F)	35 of 100 (Notable)
Grant 5 SE	United States	Record snow depth	10.2 cm (4.0 in)	35 of 100 (Notable)
Mystic Lake	United States	Record snow depth	55.9 cm (22.0 in)	35 of 100 (Notable)
Holtwood	United States	Record daily precipitation	30.7 mm (1.2 in)	35 of 100 (Notable)
Mtn Dell Dam	United States	Record daily snowfall	20.3 cm (8.0 in)	35 of 100 (Notable)
Yellowstone Park Mammoth	United States	Record daily snowfall	17.8 cm (7.0 in)	35 of 100 (Notable)
Kroonplaats	South Africa	Record daily precipitation	48.0 mm (1.9 in)	34 of 100 (Routine)
Merced	United States	Record high minimum temperature	14.4 C (57.9 F)	34 of 100 (Routine)
Farmington	United States	Record low maximum temperature	0.0 C (32.0 F)	34 of 100 (Routine)
Richmond	United States	Record daily snowfall	10.2 cm (4.0 in)	34 of 100 (Routine)
UNIV of Utah	United States	Record snow depth	12.7 cm (5.0 in)	34 of 100 (Routine)

Counts by Type and Timescale

810 records

Records set or tied on 6 November 1986 by type: Highest daily maximum 79, Lowest daily maximum 50, Highest daily minimum 95, Lowest daily minimum 44, Heaviest daily rainfall 371, Heaviest daily snowfall 116, Deepest snow cover 55.

Records on 6 November 1986 by type
Record type	Records
Highest daily maximum	79
Lowest daily maximum	50
Highest daily minimum	95
Lowest daily minimum	44
Heaviest daily rainfall	371
Heaviest daily snowfall	116
Deepest snow cover	55

Records on 6 November 1986 by timescale: all-time 1, monthly 21, daily 788.

How Much Records Were Beaten By

667 broken records

Margins by which the 667 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 229.0. Ties are not counted.

Top 20 by Significance

6 November 1986

Top 20 records on 6 November 1986 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
6 November 1986	Mystic Lake, US	monthly snowfall	66.0 cm (26.0 in)	22.8 cm (9.0 in)	58 years	64 of 100 (Major)
6 November 1986	Shoshoni, US	daily snowfall	15.2 cm (6.0 in)	15.2 cm (6.0 in)	55 years	61 of 100 (Major)
6 November 1986	Red Lodge, US	monthly rain	51.1 mm (2.0 in)	10.5 mm (0.4 in)	64 years	55 of 100 (Notable)
6 November 1986	Glenville, US	daily rain	43.7 mm (1.7 in)	25.9 mm (1.0 in)	60 years	55 of 100 (Notable)
6 November 1986	Tel Aviv Reading, IL	daily rain	91.1 mm (3.6 in)	61.7 mm (2.4 in)	35 years	51 of 100 (Notable)
6 November 1986	Woodstock, US	daily snow depth	20.3 cm (8.0 in)	17.8 cm (7.0 in)	13 years	50 of 100 (Notable)
6 November 1986	Hill City, US	daily snowfall	27.9 cm (11.0 in)	22.8 cm (9.0 in)	8 years	49 of 100 (Notable)
6 November 1986	Morokweng (Pol), ZA	daily rain	35.5 mm (1.4 in)	27.6 mm (1.1 in)	57 years	48 of 100 (Notable)
6 November 1986	Garcia, BR	daily rain	96.4 mm (3.8 in)	49.0 mm (1.9 in)	12 years	47 of 100 (Notable)
6 November 1986	Ingwavuma (Tnk), ZA	daily rain	77.5 mm (3.1 in)	46.0 mm (1.8 in)	36 years	47 of 100 (Notable)
6 November 1986	Buena Vista 2S, US	daily snow depth	30.5 cm (12.0 in)	20.3 cm (8.0 in)	65 years	47 of 100 (Notable)
6 November 1986	Saint Ignatius, US	daily rain	27.9 mm (1.1 in)	12.9 mm (0.5 in)	12 years	47 of 100 (Notable)
6 November 1986	Okeene, US	daily rain	59.2 mm (2.3 in)	31.3 mm (1.2 in)	60 years	47 of 100 (Notable)
6 November 1986	Nova Bremen, BR	daily rain	79.5 mm (3.1 in)	41.1 mm (1.6 in)	20 years	46 of 100 (Notable)
6 November 1986	Bridger 2 N, US	daily snowfall	11.4 cm (4.5 in)	8.9 cm (3.5 in)	52 years	46 of 100 (Notable)
6 November 1986	Woodstock, US	daily snowfall	20.3 cm (8.0 in)	10.1 cm (4.0 in)	80 years	46 of 100 (Notable)
6 November 1986	Jundiai, BR	daily rain	88.1 mm (3.5 in)	53.3 mm (2.1 in)	36 years	45 of 100 (Notable)
6 November 1986	UNIV of Utah, US	daily snowfall	13.0 cm (5.1 in)	13.0 cm (5.1 in)	36 years	45 of 100 (Notable)
6 November 1986	Major Gercino, BR	all-time rain	150.0 mm (5.9 in)	14.8 mm (0.6 in)	26 years	44 of 100 (Notable)
6 November 1986	Chelsea, US	daily snowfall	16.5 cm (6.5 in)	6.3 cm (2.5 in)	80 years	44 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

1793 to 1986

Records set or tied on this calendar date in each year from 1793 to 1986. 1986 had 810 records.

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

Records on 11-06 in each year
Year	Records
1793	1
1795	1
1804	1
1805	1
1812	1
1819	1
1828	2
1834	1
1835	2
1840	1
1842	3
1845	1
1849	1
1851	2
1856	2
1858	1
1860	1
1863	1
1864	2
1868	1
1870	1
1874	2
1875	1
1877	1
1878	2
1879	1
1885	3
1886	1
1888	3
1890	2
1891	2
1893	2
1894	1
1895	7
1896	3
1898	3
1899	12
1900	2
1901	4
1902	6
1903	4
1904	6
1905	15
1906	13
1907	13
1908	21
1909	7
1910	52
1911	27
1912	53
1913	20
1914	36
1915	20
1916	127
1917	30
1918	40
1919	60
1920	53
1921	98
1922	84
1923	119
1924	737
1925	139
1926	123
1927	405
1928	86
1929	89
1930	439
1931	284
1932	307
1933	661
1934	626
1935	527
1936	356
1937	124
1938	1,098
1939	390
1940	201
1941	512
1942	373
1943	238
1944	459
1945	498
1946	682
1947	405
1948	1,219
1949	517
1950	314
1951	1,832
1952	193
1953	1,218
1954	442
1955	311
1956	431
1957	359
1958	227
1959	1,800
1960	388
1961	480
1962	343
1963	493
1964	259
1965	272
1966	548
1967	889
1968	463
1969	756
1970	407
1971	789
1972	387
1973	1,110
1974	355
1975	1,381
1976	653
1977	966
1978	762
1979	581
1980	1,353
1981	673
1982	698
1983	650
1984	536
1985	664
1986	810
1987	806
1988	1,010
1989	1,048
1990	1,240
1991	2,360
1992	1,450
1993	965
1994	1,368
1995	1,464
1996	1,720
1997	849
1998	752
1999	1,367
2000	1,575
2001	879
2002	1,220
2003	2,143
2004	828
2005	1,176
2006	1,397
2007	591
2008	1,266
2009	916
2010	1,349
2011	1,046
2012	894
2013	871
2014	453
2015	1,664
2016	838
2017	1,069
2018	633
2019	561
2020	1,351
2021	456
2022	907
2023	719
2024	1,239
2025	502

Download the Data

Data for records on 1986-11-06: 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	588
50 to 100	45
100 to 150	25
150 to 200	4
200 to 250	5