Weather Records on 18 November 1986

1,334 weather records were set or tied worldwide on 18 November 1986. Highest significance: Wilmington, AU.

Key Facts for 18 November 1986

On 18 November 1986, 1,334 weather records were set or tied at long-record stations worldwide.
532 were record highs and 188 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 62 monthly and 1,272 daily.
Wilmington set a daily record precipitation of 39.0 mm (1.5 in) on 18 November 1986.
Across 165 earlier years (1793 to 2025) the same calendar date averaged 443 records.

Record Map

1,334 stations

1,334 station records on 18 November 1986 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 November 1986: highest significance records shown on the map
Station	Country	Type	Value	Significance
Wilmington	Australia	Record daily precipitation	39.0 mm (1.5 in)	64 of 100 (Major)
Janesville	United States	Record daily snowfall	10.2 cm (4.0 in)	64 of 100 (Major)
Canisteo 1 SW	United States	Record daily precipitation	95.3 mm (3.8 in)	62 of 100 (Major)
Quorn (Olive Grove)	Australia	Record daily precipitation	53.6 mm (2.1 in)	61 of 100 (Major)
Oujda	Morocco	Record daily precipitation	35.1 mm (1.4 in)	61 of 100 (Major)
Algona	United States	Record daily snowfall	12.7 cm (5.0 in)	61 of 100 (Major)
Madison	United States	Record daily precipitation	98.6 mm (3.9 in)	58 of 100 (Notable)
Benton Harbor AP	United States	Record daily snowfall	10.2 cm (4.0 in)	57 of 100 (Notable)
Folkston 9 SW	United States	Record daily precipitation	91.4 mm (3.6 in)	55 of 100 (Notable)
Devils Lake Kdlr	United States	Record snow depth	48.3 cm (19.0 in)	54 of 100 (Notable)
Blyth	Australia	Record daily precipitation	29.6 mm (1.2 in)	53 of 100 (Notable)
Kljuchi	Russia	Record daily precipitation	55.1 mm (2.2 in)	53 of 100 (Notable)
Lompoc	United States	Record daily precipitation	51.1 mm (2.0 in)	51 of 100 (Notable)
Auburn 2 SSE	United States	Record daily snowfall	7.6 cm (3.0 in)	50 of 100 (Notable)
Stockton 3NNE	United States	Record daily snowfall	8.9 cm (3.5 in)	49 of 100 (Notable)
Valparaiso Wtr Wks	United States	Record snow depth	15.2 cm (6.0 in)	49 of 100 (Notable)
Marshalltown	United States	Record daily snowfall	7.6 cm (3.0 in)	49 of 100 (Notable)
Beaver Dam Wwtp	United States	Record daily snowfall	5.1 cm (2.0 in)	49 of 100 (Notable)
Buchan	Australia	Record daily precipitation	41.0 mm (1.6 in)	47 of 100 (Notable)
Mandan Exp STN	United States	Record daily snowfall	17.8 cm (7.0 in)	47 of 100 (Notable)
Clohesy River	Australia	Record daily precipitation	32.4 mm (1.3 in)	46 of 100 (Notable)
Middleboro	United States	Record daily snowfall	5.1 cm (2.0 in)	46 of 100 (Notable)
Sidney	United States	Record snow depth	40.6 cm (16.0 in)	46 of 100 (Notable)
Lancaster 4 WSW	United States	Record daily snowfall	10.2 cm (4.0 in)	46 of 100 (Notable)
Platteville	United States	Record daily snowfall	11.9 cm (4.7 in)	46 of 100 (Notable)
Fairlight Station	Australia	Record daily precipitation	68.2 mm (2.7 in)	45 of 100 (Notable)
Storm Lake	United States	Record daily snowfall	17.8 cm (7.0 in)	45 of 100 (Notable)
Dartmouth Reservoir	Australia	Record daily precipitation	33.8 mm (1.3 in)	44 of 100 (Notable)
Tarpon Spgs Sewage Plt	United States	Record high minimum temperature	23.9 C (75.0 F)	44 of 100 (Notable)
Cascade	United States	Record daily snowfall	13.2 cm (5.2 in)	44 of 100 (Notable)
Peterson	United States	Record daily snowfall	12.7 cm (5.0 in)	44 of 100 (Notable)
Jamestown State Hosp	United States	Record snow depth	25.4 cm (10.0 in)	44 of 100 (Notable)
Melrose	Australia	Record daily precipitation	28.0 mm (1.1 in)	43 of 100 (Notable)
Fairmont	United States	Record daily snowfall	11.4 cm (4.5 in)	43 of 100 (Notable)
Richardton Abbey	United States	Record daily snowfall	15.2 cm (6.0 in)	43 of 100 (Notable)
Milbank 4 NW	United States	Record daily snowfall	16.5 cm (6.5 in)	43 of 100 (Notable)
Manitowoc	United States	Record daily precipitation	31.8 mm (1.3 in)	43 of 100 (Notable)
Galena	United States	Record daily snowfall	10.2 cm (4.0 in)	42 of 100 (Notable)
Benton Harbor AP	United States	Record snow depth	10.2 cm (4.0 in)	42 of 100 (Notable)
Dickinson Exp STN	United States	Record daily snowfall	12.7 cm (5.0 in)	42 of 100 (Notable)
Larimore 4SW	United States	Record low maximum temperature	-16.1 C (3.0 F)	42 of 100 (Notable)
Watervale	Australia	Record daily precipitation	26.0 mm (1.0 in)	41 of 100 (Notable)
Ash Fork 6 N	United States	Record high minimum temperature	7.8 C (46.0 F)	41 of 100 (Notable)
Fitzgerald	United States	Record daily precipitation	57.7 mm (2.3 in)	41 of 100 (Notable)
Vinton	United States	Record daily snowfall	11.4 cm (4.5 in)	41 of 100 (Notable)
Milan 1NW	United States	Record daily snowfall	10.2 cm (4.0 in)	41 of 100 (Notable)
Dickinson Exp STN	United States	Record low minimum temperature	-27.2 C (-17.0 F)	41 of 100 (Notable)
Winter	United States	Record daily snowfall	10.2 cm (4.0 in)	41 of 100 (Notable)
Brunswick-McKinnon AP	United States	Record daily precipitation	59.4 mm (2.3 in)	41 of 100 (Notable)
Guerrero (Smn)	Mexico	Record high minimum temperature	9.4 C (48.9 F)	40 of 100 (Notable)
Coldwater St School	United States	Record daily snowfall	11.4 cm (4.5 in)	40 of 100 (Notable)
Tambo Crossing	Australia	Record daily precipitation	60.0 mm (2.4 in)	39 of 100 (Notable)
Poway Valley	United States	Record daily precipitation	33.5 mm (1.3 in)	39 of 100 (Notable)
Fernandina Beach	United States	Record daily precipitation	42.7 mm (1.7 in)	39 of 100 (Notable)
Hallock	United States	Record low maximum temperature	-16.7 C (1.9 F)	39 of 100 (Notable)
Wishek	United States	Record daily snowfall	17.8 cm (7.0 in)	39 of 100 (Notable)
Grong Grong (Berembed)	Australia	Record daily precipitation	31.0 mm (1.2 in)	38 of 100 (Notable)
Lake City 2 E	United States	Record high minimum temperature	22.2 C (72.0 F)	38 of 100 (Notable)
Galena	United States	Record snow depth	10.2 cm (4.0 in)	38 of 100 (Notable)
Goshen 3SW	United States	Record daily snowfall	10.4 cm (4.1 in)	38 of 100 (Notable)

Counts by Type and Timescale

1,334 records

Records set or tied on 18 November 1986 by type: Highest daily maximum 201, Lowest daily maximum 76, Highest daily minimum 331, Lowest daily minimum 112, Heaviest daily rainfall 322, Heaviest daily snowfall 169, Deepest snow cover 123.

Records on 18 November 1986 by type
Record type	Records
Highest daily maximum	201
Lowest daily maximum	76
Highest daily minimum	331
Lowest daily minimum	112
Heaviest daily rainfall	322
Heaviest daily snowfall	169
Deepest snow cover	123

Records on 18 November 1986 by timescale: all-time 0, monthly 62, daily 1,272.

How Much Records Were Beaten By

1,053 broken records

Margins by which the 1,053 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

18 November 1986

Top 20 records on 18 November 1986 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 November 1986	Wilmington, AU	daily rain	39.0 mm (1.5 in)	24.0 mm (0.9 in)	72 years	64 of 100 (Major)
18 November 1986	Janesville, US	daily snowfall	10.2 cm (4.0 in)	10.2 cm (4.0 in)	92 years	64 of 100 (Major)
18 November 1986	Canisteo 1 SW, US	monthly rain	95.3 mm (3.8 in)	45.0 mm (1.8 in)	31 years	62 of 100 (Major)
18 November 1986	Quorn (Olive Grove), AU	daily rain	53.6 mm (2.1 in)	23.6 mm (0.9 in)	80 years	61 of 100 (Major)
18 November 1986	Oujda, MA	daily rain	35.1 mm (1.4 in)	21.1 mm (0.8 in)	61 years	61 of 100 (Major)
18 November 1986	Algona, US	daily snowfall	12.7 cm (5.0 in)	12.7 cm (5.0 in)	92 years	61 of 100 (Major)
18 November 1986	Madison, US	daily rain	98.6 mm (3.9 in)	58.7 mm (2.3 in)	39 years	58 of 100 (Notable)
18 November 1986	Benton Harbor AP, US	daily snowfall	10.2 cm (4.0 in)	10.2 cm (4.0 in)	92 years	57 of 100 (Notable)
18 November 1986	Folkston 9 SW, US	daily rain	91.4 mm (3.6 in)	84.5 mm (3.3 in)	39 years	55 of 100 (Notable)
18 November 1986	Devils Lake Kdlr, US	daily snow depth	48.3 cm (19.0 in)	25.4 cm (10.0 in)	28 years	54 of 100 (Notable)
18 November 1986	Blyth, AU	daily rain	29.6 mm (1.2 in)	12.3 mm (0.5 in)	73 years	53 of 100 (Notable)
18 November 1986	Kljuchi, RU	monthly rain	55.1 mm (2.2 in)	19.8 mm (0.8 in)	5 years	53 of 100 (Notable)
18 November 1986	Lompoc, US	daily rain	51.1 mm (2.0 in)	25.7 mm (1.0 in)	68 years	51 of 100 (Notable)
18 November 1986	Auburn 2 SSE, US	daily snowfall	7.6 cm (3.0 in)	7.6 cm (3.0 in)	88 years	50 of 100 (Notable)
18 November 1986	Stockton 3NNE, US	daily snowfall	8.9 cm (3.5 in)	8.9 cm (3.5 in)	43 years	49 of 100 (Notable)
18 November 1986	Valparaiso Wtr Wks, US	daily snow depth	15.2 cm (6.0 in)	10.1 cm (4.0 in)	48 years	49 of 100 (Notable)
18 November 1986	Marshalltown, US	daily snowfall	7.6 cm (3.0 in)	7.6 cm (3.0 in)	90 years	49 of 100 (Notable)
18 November 1986	Beaver Dam Wwtp, US	daily snowfall	5.1 cm (2.0 in)	5.1 cm (2.0 in)	92 years	49 of 100 (Notable)
18 November 1986	Buchan, AU	daily rain	41.0 mm (1.6 in)	13.8 mm (0.5 in)	73 years	47 of 100 (Notable)
18 November 1986	Mandan Exp STN, US	daily snowfall	17.8 cm (7.0 in)	12.7 cm (5.0 in)	25 years	47 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 1,334 records.

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

Records on 11-18 in each year
Year	Records
1793	2
1795	2
1805	1
1816	1
1823	1
1827	1
1829	2
1835	2
1838	1
1840	1
1845	1
1846	1
1847	1
1852	1
1856	2
1865	1
1869	1
1873	1
1875	2
1878	1
1879	1
1880	5
1881	2
1882	1
1883	1
1884	1
1885	3
1887	3
1888	2
1889	3
1890	3
1891	3
1892	2
1893	5
1894	3
1895	2
1896	5
1897	7
1898	2
1899	4
1900	16
1901	4
1902	12
1903	13
1904	19
1905	12
1906	24
1907	15
1908	10
1909	14
1910	7
1911	41
1912	81
1913	57
1914	77
1915	22
1916	30
1917	33
1918	61
1919	71
1920	27
1921	109
1922	36
1923	96
1924	191
1925	254
1926	270
1927	310
1928	319
1929	355
1930	471
1931	325
1932	347
1933	310
1934	574
1935	105
1936	362
1937	432
1938	328
1939	195
1940	241
1941	959
1942	575
1943	490
1944	265
1945	260
1946	707
1947	368
1948	363
1949	462
1950	416
1951	981
1952	479
1953	731
1954	339
1955	709
1956	269
1957	1,055
1958	1,219
1959	1,165
1960	507
1961	714
1962	488
1963	563
1964	986
1965	452
1966	273
1967	419
1968	502
1969	540
1970	296
1971	666
1972	478
1973	582
1974	643
1975	520
1976	605
1977	626
1978	960
1979	449
1980	1,771
1981	789
1982	559
1983	601
1984	612
1985	1,531
1986	1,334
1987	660
1988	416
1989	1,261
1990	534
1991	719
1992	764
1993	880
1994	1,103
1995	1,683
1996	1,289
1997	1,049
1998	1,016
1999	853
2000	1,621
2001	1,116
2002	848
2003	1,227
2004	1,169
2005	773
2006	755
2007	963
2008	1,346
2009	802
2010	668
2011	688
2012	520
2013	683
2014	2,530
2015	1,733
2016	1,157
2017	632
2018	646
2019	793
2020	1,618
2021	268
2022	1,287
2023	536
2024	576
2025	576

Download the Data

Data for records on 1986-11-18: 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	941
50 to 100	85
100 to 150	21
150 to 200	5
200 to 250	0
250 to 300	1