Weather Records on 1 November 1986

634 weather records were set or tied worldwide on 1 November 1986. Highest significance: Montrose #2, US.

Key Facts for 1 November 1986

On 1 November 1986, 634 weather records were set or tied at long-record stations worldwide.
125 were record highs and 101 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 36 monthly and 597 daily.
Montrose #2 set a monthly record daily precipitation of 38.9 mm (1.5 in) on 1 November 1986.
Across 157 earlier years (1805 to 2025) the same calendar date averaged 487 records.

Record Map

634 stations

634 station records on 1 November 1986 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 1 November 1986: highest significance records shown on the map
Station	Country	Type	Value	Significance
Montrose #2	United States	Record daily precipitation	38.9 mm (1.5 in)	86 of 100 (Exceptional)
Gunnison 3SW	United States	Record daily snowfall	15.2 cm (6.0 in)	64 of 100 (Major)
Estes Park	United States	Record daily precipitation	28.4 mm (1.1 in)	63 of 100 (Major)
Rico	United States	Record daily precipitation	48.0 mm (1.9 in)	63 of 100 (Major)
Telluride 4WNW	United States	Record daily precipitation	41.9 mm (1.6 in)	62 of 100 (Major)
Westcliffe	United States	Record daily snowfall	45.7 cm (18.0 in)	61 of 100 (Major)
Tacoma	United States	Record daily precipitation	58.9 mm (2.3 in)	55 of 100 (Notable)
Monticello 2E	United States	Record daily precipitation	35.8 mm (1.4 in)	55 of 100 (Notable)
Paonia 1SW	United States	Record daily precipitation	32.8 mm (1.3 in)	53 of 100 (Notable)
Cedaredge	United States	Record daily precipitation	28.4 mm (1.1 in)	49 of 100 (Notable)
Delta	United States	Record daily precipitation	26.7 mm (1.1 in)	49 of 100 (Notable)
Ouray	United States	Record daily precipitation	33.3 mm (1.3 in)	48 of 100 (Notable)
Southport 5 N	United States	Record daily precipitation	83.8 mm (3.3 in)	48 of 100 (Notable)
Faywood	United States	Record daily precipitation	25.4 mm (1.0 in)	47 of 100 (Notable)
Hateruma	Japan	Record daily precipitation	104.5 mm (4.1 in)	45 of 100 (Notable)
Telluride 4WNW	United States	Record daily snowfall	40.6 cm (16.0 in)	45 of 100 (Notable)
Aztec Ruins Nm	United States	Record daily precipitation	29.5 mm (1.2 in)	44 of 100 (Notable)
Cortez	United States	Record daily precipitation	27.9 mm (1.1 in)	43 of 100 (Notable)
Ignacio 1 N	United States	Record daily precipitation	45.0 mm (1.8 in)	43 of 100 (Notable)
Hambantota	Sri Lanka	Record low maximum temperature	25.8 C (78.4 F)	42 of 100 (Notable)
Ft Lewis	United States	Record daily precipitation	41.7 mm (1.6 in)	42 of 100 (Notable)
Northdale	United States	Record daily precipitation	29.7 mm (1.2 in)	42 of 100 (Notable)
Lumber City	United States	Record daily precipitation	52.3 mm (2.1 in)	42 of 100 (Notable)
Sidney 1SSE	United States	Record daily snowfall	6.4 cm (2.5 in)	41 of 100 (Notable)
Centennial 1NE	United States	Record daily snowfall	25.4 cm (10.0 in)	41 of 100 (Notable)
Wrangell AP	United States	Record daily precipitation	65.8 mm (2.6 in)	40 of 100 (Notable)
Warrnambool Downs	Australia	Record daily precipitation	42.4 mm (1.7 in)	39 of 100 (Notable)
Culbertson	United States	Record daily snowfall	7.6 cm (3.0 in)	39 of 100 (Notable)
Bloomfield 3 SE	United States	Record daily precipitation	25.1 mm (1.0 in)	39 of 100 (Notable)
Cradle Valley (Waldheim)	Australia	Record daily precipitation	53.8 mm (2.1 in)	38 of 100 (Notable)
Salida	United States	Record daily snowfall	30.5 cm (12.0 in)	38 of 100 (Notable)
Johnson Rch	United States	Record daily precipitation	35.1 mm (1.4 in)	38 of 100 (Notable)
Goodland	United States	Record daily snowfall	8.6 cm (3.4 in)	38 of 100 (Notable)
Norderney	Germany	Record daily precipitation	26.9 mm (1.1 in)	37 of 100 (Notable)
Har Kenaan	Israel	Record daily precipitation	56.4 mm (2.2 in)	37 of 100 (Notable)
Canon City	United States	Record daily snowfall	15.2 cm (6.0 in)	37 of 100 (Notable)
Goodnight Scrub Res 169	Australia	Record daily precipitation	59.6 mm (2.3 in)	36 of 100 (Notable)
Kitoi Bay	United States	Record daily precipitation	56.6 mm (2.2 in)	36 of 100 (Notable)
Saarbrucken/Ensheim	Germany	Record daily precipitation	26.4 mm (1.0 in)	35 of 100 (Notable)
Guffey 10 SE	United States	Record daily precipitation	33.0 mm (1.3 in)	35 of 100 (Notable)
Weeaproinah	Australia	Record daily precipitation	33.0 mm (1.3 in)	34 of 100 (Routine)
Rendsburg	Germany	Record daily precipitation	26.0 mm (1.0 in)	34 of 100 (Routine)
Tequesquitengo	Mexico	Record high maximum temperature	38.3 C (100.9 F)	34 of 100 (Routine)
Cochetopa Creek	United States	Record daily snowfall	7.6 cm (3.0 in)	34 of 100 (Routine)
Weddingstedt	Germany	Record daily precipitation	30.7 mm (1.2 in)	33 of 100 (Routine)
Haboro	Japan	Record daily precipitation	47.5 mm (1.9 in)	33 of 100 (Routine)
Bailey	United States	Record daily precipitation	30.0 mm (1.2 in)	33 of 100 (Routine)
Dolores	United States	Record daily precipitation	31.0 mm (1.2 in)	33 of 100 (Routine)
Monticello 2E	United States	Record snow depth	10.2 cm (4.0 in)	33 of 100 (Routine)
Homburg/Saar	Germany	Record daily precipitation	27.2 mm (1.1 in)	32 of 100 (Routine)
Mukdahan	Thailand	Record high maximum temperature	39.0 C (102.2 F)	32 of 100 (Routine)
Cimarron	United States	Record daily precipitation	27.4 mm (1.1 in)	31 of 100 (Routine)
Guffey 10 SE	United States	Record snow depth	33.0 cm (13.0 in)	31 of 100 (Routine)
Feldberg/Schwarzwald	Germany	Record daily precipitation	47.8 mm (1.9 in)	30 of 100 (Routine)
Kr. Dithmarschen Helse	Germany	Record daily precipitation	29.5 mm (1.2 in)	30 of 100 (Routine)
Modautal-Neunkirchen	Germany	Record daily precipitation	27.4 mm (1.1 in)	30 of 100 (Routine)
Plon (See)	Germany	Record daily precipitation	26.0 mm (1.0 in)	30 of 100 (Routine)
Canelo 1 NW	United States	Record high minimum temperature	12.2 C (54.0 F)	30 of 100 (Routine)
Durango	United States	Record daily precipitation	48.3 mm (1.9 in)	30 of 100 (Routine)
Ft Collins	United States	Record daily snowfall	16.5 cm (6.5 in)	30 of 100 (Routine)

Counts by Type and Timescale

634 records

Records set or tied on 1 November 1986 by type: Highest daily maximum 47, Lowest daily maximum 51, Highest daily minimum 78, Lowest daily minimum 50, Heaviest daily rainfall 338, Heaviest daily snowfall 47, Deepest snow cover 23.

Records on 1 November 1986 by type
Record type	Records
Highest daily maximum	47
Lowest daily maximum	51
Highest daily minimum	78
Lowest daily minimum	50
Heaviest daily rainfall	338
Heaviest daily snowfall	47
Deepest snow cover	23

Records on 1 November 1986 by timescale: all-time 1, monthly 36, daily 597.

How Much Records Were Beaten By

527 broken records

Margins by which the 527 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

1 November 1986

Top 20 records on 1 November 1986 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
1 November 1986	Montrose #2, US	monthly rain	38.9 mm (1.5 in)	15.5 mm (0.6 in)	90 years	86 of 100 (Exceptional)
1 November 1986	Gunnison 3SW, US	daily snowfall	15.2 cm (6.0 in)	12.7 cm (5.0 in)	84 years	64 of 100 (Major)
1 November 1986	Estes Park, US	daily rain	28.4 mm (1.1 in)	21.3 mm (0.8 in)	57 years	63 of 100 (Major)
1 November 1986	Rico, US	daily rain	48.0 mm (1.9 in)	38.6 mm (1.5 in)	49 years	63 of 100 (Major)
1 November 1986	Telluride 4WNW, US	daily rain	41.9 mm (1.6 in)	15.7 mm (0.6 in)	84 years	62 of 100 (Major)
1 November 1986	Westcliffe, US	daily snowfall	45.7 cm (18.0 in)	25.4 cm (10.0 in)	86 years	61 of 100 (Major)
1 November 1986	Tacoma, US	daily rain	58.9 mm (2.3 in)	44.9 mm (1.8 in)	28 years	55 of 100 (Notable)
1 November 1986	Monticello 2E, US	daily rain	35.8 mm (1.4 in)	29.7 mm (1.2 in)	24 years	55 of 100 (Notable)
1 November 1986	Paonia 1SW, US	daily rain	32.8 mm (1.3 in)	15.3 mm (0.6 in)	59 years	53 of 100 (Notable)
1 November 1986	Cedaredge, US	daily rain	28.4 mm (1.1 in)	18.7 mm (0.7 in)	17 years	49 of 100 (Notable)
1 November 1986	Delta, US	daily rain	26.7 mm (1.1 in)	14.8 mm (0.6 in)	17 years	49 of 100 (Notable)
1 November 1986	Ouray, US	daily rain	33.3 mm (1.3 in)	19.8 mm (0.8 in)	8 years	48 of 100 (Notable)
1 November 1986	Southport 5 N, US	daily rain	83.8 mm (3.3 in)	51.5 mm (2.0 in)	25 years	48 of 100 (Notable)
1 November 1986	Faywood, US	daily rain	25.4 mm (1.0 in)	25.4 mm (1.0 in)	40 years	47 of 100 (Notable)
1 November 1986	Hateruma, JP	daily rain	104.5 mm (4.1 in)	88.0 mm (3.5 in)	7 years	45 of 100 (Notable)
1 November 1986	Telluride 4WNW, US	daily snowfall	40.6 cm (16.0 in)	15.2 cm (6.0 in)	48 years	45 of 100 (Notable)
1 November 1986	Aztec Ruins Nm, US	monthly rain	29.5 mm (1.2 in)	9.7 mm (0.38 in)	7 years	44 of 100 (Notable)
1 November 1986	Cortez, US	daily rain	27.9 mm (1.1 in)	15.7 mm (0.6 in)	28 years	43 of 100 (Notable)
1 November 1986	Ignacio 1 N, US	monthly rain	45.0 mm (1.8 in)	5.4 mm (0.21 in)	54 years	43 of 100 (Notable)
1 November 1986	Hambantota, LK	daily low max	25.8 C (78.4 F)	0.3 C (0.5 F)	100 years	42 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

1805 to 1986

Records set or tied on this calendar date in each year from 1805 to 1986. 1986 had 634 records.

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

Records on 11-01 in each year
Year	Records
1805	1
1828	1
1836	1
1837	1
1850	1
1851	1
1852	1
1862	1
1866	1
1867	3
1869	2
1872	1
1873	1
1878	1
1879	1
1880	2
1881	7
1882	1
1885	1
1887	1
1888	2
1889	1
1890	1
1891	4
1892	5
1893	2
1894	3
1895	1
1896	6
1897	2
1898	8
1899	3
1900	3
1901	4
1902	1
1903	7
1904	13
1905	16
1906	20
1907	5
1908	11
1909	45
1910	40
1911	54
1912	17
1913	45
1914	46
1915	22
1916	40
1917	43
1918	55
1919	95
1920	62
1921	44
1922	50
1923	172
1924	290
1925	253
1926	150
1927	666
1928	214
1929	306
1930	336
1931	286
1932	387
1933	684
1934	387
1935	882
1936	332
1937	402
1938	601
1939	628
1940	309
1941	417
1942	463
1943	287
1944	513
1945	326
1946	417
1947	588
1948	415
1949	661
1950	1,017
1951	1,317
1952	254
1953	306
1954	610
1955	371
1956	1,280
1957	358
1958	289
1959	322
1960	341
1961	535
1962	285
1963	307
1964	345
1965	520
1966	574
1967	542
1968	592
1969	437
1970	303
1971	801
1972	1,205
1973	589
1974	1,014
1975	494
1976	968
1977	702
1978	878
1979	631
1980	519
1981	824
1982	813
1983	852
1984	1,295
1985	716
1986	634
1987	1,529
1988	1,025
1989	827
1990	1,089
1991	3,261
1992	1,303
1993	2,690
1994	978
1995	1,138
1996	869
1997	1,273
1998	968
1999	1,129
2000	1,339
2001	531
2002	1,697
2003	1,309
2004	1,013
2005	836
2006	756
2007	626
2008	1,252
2009	893
2010	648
2011	781
2012	663
2013	568
2014	1,027
2015	804
2016	953
2017	474
2018	652
2019	1,578
2020	974
2021	361
2022	1,010
2023	949
2024	847
2025	478

Download the Data

Data for records on 1986-11-01: 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	499
50 to 100	16
100 to 150	7
150 to 200	4
200 to 250	0
250 to 300	1