Weather Records on 20 October 1986

823 weather records were set or tied worldwide on 20 October 1986. Highest significance: Falsterbo, SE.

Key Facts for 20 October 1986

On 20 October 1986, 823 weather records were set or tied at long-record stations worldwide.
81 were record highs and 197 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 22 monthly and 801 daily.
Falsterbo set a daily record precipitation of 34.6 mm (1.4 in) on 20 October 1986.
Across 160 earlier years (1806 to 2025) the same calendar date averaged 455 records.

Record Map

823 stations

823 station records on 20 October 1986 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 October 1986: highest significance records shown on the map
Station	Country	Type	Value	Significance
Falsterbo	Sweden	Record daily precipitation	34.6 mm (1.4 in)	74 of 100 (Major)
Aurukun Shire Council	Australia	Record daily precipitation	80.0 mm (3.1 in)	72 of 100 (Major)
Musgrave	Australia	Record daily precipitation	86.0 mm (3.4 in)	69 of 100 (Major)
Cimarron 4 SW	United States	Record daily precipitation	58.7 mm (2.3 in)	60 of 100 (Major)
Coen Post Office	Australia	Record daily precipitation	32.0 mm (1.3 in)	59 of 100 (Notable)
Putten (Gld)	Netherlands	Record daily precipitation	26.9 mm (1.1 in)	57 of 100 (Notable)
Jambin Post Office	Australia	Record daily precipitation	55.0 mm (2.2 in)	54 of 100 (Notable)
Heerde	Netherlands	Record daily precipitation	28.0 mm (1.1 in)	54 of 100 (Notable)
Lamar	United States	Record daily precipitation	35.3 mm (1.4 in)	54 of 100 (Notable)
Mauth-Finsterau	Germany	Record daily precipitation	43.2 mm (1.7 in)	50 of 100 (Notable)
Burnett Heads Niell St	Australia	Record daily precipitation	46.4 mm (1.8 in)	49 of 100 (Notable)
Kwajalein	Marshall Islands	Record daily precipitation	137.4 mm (5.4 in)	49 of 100 (Notable)
Brucken	Germany	Record daily precipitation	42.1 mm (1.7 in)	48 of 100 (Notable)
Quebradillas	Puerto Rico [United States]	Record daily precipitation	68.6 mm (2.7 in)	46 of 100 (Notable)
Cooran Post Office	Australia	Record daily precipitation	35.0 mm (1.4 in)	45 of 100 (Notable)
Westermarkelsdorf/Fehmarn	Germany	Record daily precipitation	30.1 mm (1.2 in)	45 of 100 (Notable)
Konigsmoor	Germany	Record daily precipitation	33.4 mm (1.3 in)	45 of 100 (Notable)
Metten	Germany	Record daily precipitation	33.9 mm (1.3 in)	45 of 100 (Notable)
Des Moines	United States	Record daily precipitation	42.7 mm (1.7 in)	45 of 100 (Notable)
Angermunde	Germany	Record daily precipitation	26.8 mm (1.1 in)	44 of 100 (Notable)
Hoofddorp	Netherlands	Record daily precipitation	29.7 mm (1.2 in)	44 of 100 (Notable)
Las Animas	United States	Record daily precipitation	31.0 mm (1.2 in)	43 of 100 (Notable)
Hamburg Fuhlsbuettel	Germany	Record daily precipitation	26.9 mm (1.1 in)	42 of 100 (Notable)
Nagold	Germany	Record daily precipitation	29.9 mm (1.2 in)	42 of 100 (Notable)
Sugarloaf Rsvr	United States	Record daily snowfall	6.4 cm (2.5 in)	42 of 100 (Notable)
Angurugu	Australia	Record daily precipitation	60.3 mm (2.4 in)	41 of 100 (Notable)
Trinidad	United States	Record daily precipitation	47.8 mm (1.9 in)	41 of 100 (Notable)
Kr. Neckar-Odenwald Buchen	Germany	Record daily precipitation	33.7 mm (1.3 in)	40 of 100 (Notable)
Dillenburg	Germany	Record daily precipitation	31.0 mm (1.2 in)	40 of 100 (Notable)
Altastenberg	Germany	Record daily precipitation	37.7 mm (1.5 in)	39 of 100 (Notable)
Malbon Railway Station	Australia	Record daily precipitation	52.0 mm (2.0 in)	38 of 100 (Notable)
Miltenberg	Germany	Record daily precipitation	26.6 mm (1.0 in)	38 of 100 (Notable)
Braunlage	Germany	Record daily precipitation	33.8 mm (1.3 in)	38 of 100 (Notable)
Luxembourg Airport	Luxembourg	Record daily precipitation	38.2 mm (1.5 in)	38 of 100 (Notable)
Koerich	Luxembourg	Record daily precipitation	31.9 mm (1.3 in)	38 of 100 (Notable)
Vilsteren	Netherlands	Record daily precipitation	33.4 mm (1.3 in)	38 of 100 (Notable)
Wapenveld	Netherlands	Record daily precipitation	28.4 mm (1.1 in)	38 of 100 (Notable)
La Junta Muni AP	United States	Record daily precipitation	26.9 mm (1.1 in)	38 of 100 (Notable)
Vroomshoop	Netherlands	Record daily precipitation	27.0 mm (1.1 in)	37 of 100 (Notable)
Zwolle	Netherlands	Record daily precipitation	32.6 mm (1.3 in)	37 of 100 (Notable)
Crescent City	United States	Record low maximum temperature	18.3 C (64.9 F)	37 of 100 (Notable)
Kalpowar Forestry	Australia	Record daily precipitation	44.4 mm (1.7 in)	36 of 100 (Notable)
Michelstadt	Germany	Record daily precipitation	34.7 mm (1.4 in)	36 of 100 (Notable)
Oberviechtach	Germany	Record daily precipitation	29.2 mm (1.1 in)	36 of 100 (Notable)
Elburg	Netherlands	Record daily precipitation	25.0 mm (1.0 in)	36 of 100 (Notable)
Glen Harding	Australia	Record daily precipitation	37.0 mm (1.5 in)	35 of 100 (Notable)
Catus	France	Record daily precipitation	26.0 mm (1.0 in)	35 of 100 (Notable)
Bederkesa	Germany	Record daily precipitation	32.8 mm (1.3 in)	35 of 100 (Notable)
Hellendoorn	Netherlands	Record daily precipitation	26.2 mm (1.0 in)	35 of 100 (Notable)
Mayaguez City	Puerto Rico [United States]	Record daily precipitation	48.5 mm (1.9 in)	35 of 100 (Notable)
Espanola	United States	Record high minimum temperature	10.0 C (50.0 F)	35 of 100 (Notable)
Giessen/Wettenberg	Germany	Record daily precipitation	26.7 mm (1.1 in)	34 of 100 (Routine)
Hamburg-Wandsbek	Germany	Record daily precipitation	25.3 mm (1.0 in)	34 of 100 (Routine)
Hofheim	Germany	Record daily precipitation	28.8 mm (1.1 in)	34 of 100 (Routine)
Bad Liebenzell	Germany	Record daily precipitation	27.4 mm (1.1 in)	34 of 100 (Routine)
Blokzijl	Netherlands	Record daily precipitation	30.4 mm (1.2 in)	34 of 100 (Routine)
Groblersplaas	South Africa	Record daily precipitation	29.5 mm (1.2 in)	34 of 100 (Routine)
Hammenhog	Sweden	Record daily precipitation	39.7 mm (1.6 in)	34 of 100 (Routine)
Stiege	Germany	Record daily precipitation	26.3 mm (1.0 in)	33 of 100 (Routine)
Lake City	United States	Record daily snowfall	10.2 cm (4.0 in)	33 of 100 (Routine)

Counts by Type and Timescale

823 records

Records set or tied on 20 October 1986 by type: Highest daily maximum 31, Lowest daily maximum 78, Highest daily minimum 50, Lowest daily minimum 119, Heaviest daily rainfall 536, Heaviest daily snowfall 6, Deepest snow cover 3.

Records on 20 October 1986 by type
Record type	Records
Highest daily maximum	31
Lowest daily maximum	78
Highest daily minimum	50
Lowest daily minimum	119
Heaviest daily rainfall	536
Heaviest daily snowfall	6
Deepest snow cover	3

Records on 20 October 1986 by timescale: all-time 0, monthly 22, daily 801.

How Much Records Were Beaten By

741 broken records

Margins by which the 741 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 93.5. Ties are not counted.

Top 20 by Significance

20 October 1986

Top 20 records on 20 October 1986 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 October 1986	Falsterbo, SE	daily rain	34.6 mm (1.4 in)	15.2 mm (0.6 in)	105 years	74 of 100 (Major)
20 October 1986	Aurukun Shire Council, AU	monthly rain	80.0 mm (3.1 in)	39.9 mm (1.6 in)	52 years	72 of 100 (Major)
20 October 1986	Musgrave, AU	monthly rain	86.0 mm (3.4 in)	28.8 mm (1.1 in)	85 years	69 of 100 (Major)
20 October 1986	Cimarron 4 SW, US	daily rain	58.7 mm (2.3 in)	33.3 mm (1.3 in)	68 years	60 of 100 (Major)
20 October 1986	Coen Post Office, AU	daily rain	32.0 mm (1.3 in)	24.9 mm (1.0 in)	93 years	59 of 100 (Notable)
20 October 1986	Putten (Gld), NL	daily rain	26.9 mm (1.1 in)	9.4 mm (0.37 in)	105 years	57 of 100 (Notable)
20 October 1986	Jambin Post Office, AU	daily rain	55.0 mm (2.2 in)	42.3 mm (1.7 in)	44 years	54 of 100 (Notable)
20 October 1986	Heerde, NL	daily rain	28.0 mm (1.1 in)	14.0 mm (0.6 in)	64 years	54 of 100 (Notable)
20 October 1986	Lamar, US	daily rain	35.3 mm (1.4 in)	25.1 mm (1.0 in)	75 years	54 of 100 (Notable)
20 October 1986	Mauth-Finsterau, DE	daily rain	43.2 mm (1.7 in)	27.2 mm (1.1 in)	44 years	50 of 100 (Notable)
20 October 1986	Burnett Heads Niell St, AU	daily rain	46.4 mm (1.8 in)	33.2 mm (1.3 in)	71 years	49 of 100 (Notable)
20 October 1986	Kwajalein, MH	daily rain	137.4 mm (5.4 in)	93.5 mm (3.7 in)	21 years	49 of 100 (Notable)
20 October 1986	Brucken, DE	daily rain	42.1 mm (1.7 in)	22.9 mm (0.9 in)	33 years	48 of 100 (Notable)
20 October 1986	Quebradillas, PR	daily rain	68.6 mm (2.7 in)	45.2 mm (1.8 in)	29 years	46 of 100 (Notable)
20 October 1986	Cooran Post Office, AU	daily rain	35.0 mm (1.4 in)	21.8 mm (0.9 in)	76 years	45 of 100 (Notable)
20 October 1986	Westermarkelsdorf/Fehmarn, DE	monthly rain	30.1 mm (1.2 in)	8.7 mm (0.34 in)	30 years	45 of 100 (Notable)
20 October 1986	Konigsmoor, DE	daily rain	33.4 mm (1.3 in)	19.9 mm (0.8 in)	1 year	45 of 100 (Notable)
20 October 1986	Metten, DE	daily rain	33.9 mm (1.3 in)	11.9 mm (0.5 in)	56 years	45 of 100 (Notable)
20 October 1986	Des Moines, US	daily rain	42.7 mm (1.7 in)	19.6 mm (0.8 in)	68 years	45 of 100 (Notable)
20 October 1986	Angermunde, DE	daily rain	26.8 mm (1.1 in)	11.6 mm (0.5 in)	24 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

1806 to 1986

Records set or tied on this calendar date in each year from 1806 to 1986. 1986 had 823 records.

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

Records on 10-20 in each year
Year	Records
1806	1
1835	1
1844	1
1846	1
1847	2
1851	1
1852	1
1858	1
1863	2
1864	2
1866	3
1867	1
1868	2
1872	2
1874	2
1875	3
1876	2
1877	1
1878	1
1880	3
1881	2
1884	1
1885	1
1886	1
1887	1
1888	6
1891	4
1892	4
1893	1
1894	3
1895	4
1896	9
1897	2
1898	7
1899	1
1900	8
1901	7
1902	5
1903	9
1904	13
1905	22
1906	28
1907	32
1908	26
1909	17
1910	31
1911	16
1912	6
1913	38
1914	16
1915	20
1916	72
1917	201
1918	34
1919	19
1920	81
1921	68
1922	83
1923	96
1924	182
1925	247
1926	147
1927	283
1928	92
1929	129
1930	672
1931	125
1932	331
1933	675
1934	422
1935	390
1936	370
1937	189
1938	231
1939	367
1940	757
1941	459
1942	152
1943	501
1944	288
1945	363
1946	310
1947	1,494
1948	320
1949	1,084
1950	619
1951	279
1952	520
1953	1,057
1954	262
1955	529
1956	283
1957	440
1958	461
1959	451
1960	671
1961	479
1962	733
1963	765
1964	598
1965	340
1966	857
1967	511
1968	244
1969	607
1970	710
1971	606
1972	1,724
1973	878
1974	1,122
1975	587
1976	1,304
1977	467
1978	508
1979	1,647
1980	350
1981	1,083
1982	1,191
1983	944
1984	1,562
1985	835
1986	823
1987	590
1988	737
1989	2,092
1990	609
1991	971
1992	1,174
1993	1,238
1994	650
1995	703
1996	1,417
1997	949
1998	683
1999	603
2000	737
2001	589
2002	985
2003	1,761
2004	1,861
2005	1,092
2006	1,170
2007	923
2008	477
2009	786
2010	539
2011	785
2012	945
2013	592
2014	851
2015	523
2016	947
2017	602
2018	394
2019	744
2020	1,010
2021	900
2022	834
2023	1,468
2024	707
2025	326

Download the Data

Data for records on 1986-10-20: 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 20	701
20 to 40	33
40 to 60	5
60 to 80	1
80 to 100	1