Weather Records on 15 October 1986

768 weather records were set or tied worldwide on 15 October 1986. Highest significance: Minatitlan, MX.

Key Facts for 15 October 1986

On 15 October 1986, 768 weather records were set or tied at long-record stations worldwide.
329 were record highs and 311 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 6 monthly and 762 daily.
Minatitlan set a monthly record daily precipitation of 230.9 mm (9.1 in) on 15 October 1986.
Across 159 earlier years (1794 to 2025) the same calendar date averaged 458 records.

Record Map

768 stations

768 station records on 15 October 1986 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 15 October 1986: highest significance records shown on the map
Station	Country	Type	Value	Significance
Minatitlan	Mexico	Record daily precipitation	230.9 mm (9.1 in)	54 of 100 (Notable)
Pedrinhas	Brazil	Record daily precipitation	48.0 mm (1.9 in)	47 of 100 (Notable)
Putbus	Germany	Record high maximum temperature	19.3 C (66.7 F)	45 of 100 (Notable)
Karlsruhe	Germany	Record high maximum temperature	21.8 C (71.2 F)	41 of 100 (Notable)
Aachen	Germany	Record high minimum temperature	15.6 C (60.1 F)	40 of 100 (Notable)
Van Wert 1 S	United States	Record low maximum temperature	7.8 C (46.0 F)	40 of 100 (Notable)
Petersburg 1	United States	Record daily precipitation	109.2 mm (4.3 in)	40 of 100 (Notable)
Hoopdal (Pol)	South Africa	Record daily precipitation	25.0 mm (1.0 in)	39 of 100 (Notable)
Columbus	United States	Record low maximum temperature	9.4 C (48.9 F)	39 of 100 (Notable)
Freiburg	Germany	Record high maximum temperature	22.1 C (71.8 F)	38 of 100 (Notable)
Schierke	Germany	Record high maximum temperature	22.2 C (72.0 F)	38 of 100 (Notable)
Seymour 1 WSW	United States	Record low maximum temperature	10.0 C (50.0 F)	37 of 100 (Notable)
Neosho	United States	Record low minimum temperature	-2.8 C (27.0 F)	37 of 100 (Notable)
Chama	United States	Record snow depth	12.7 cm (5.0 in)	37 of 100 (Notable)
Kirchdorf/Poel	Germany	Record high maximum temperature	20.3 C (68.5 F)	36 of 100 (Notable)
Columbus	United States	Record low maximum temperature	9.4 C (48.9 F)	36 of 100 (Notable)
Tapachula (Dge)	Mexico	Record daily precipitation	95.3 mm (3.8 in)	35 of 100 (Notable)
Kabale	Uganda	Record daily precipitation	41.1 mm (1.6 in)	35 of 100 (Notable)
Darwin Airport	Australia	Record daily precipitation	83.6 mm (3.3 in)	34 of 100 (Routine)
Schwerin	Germany	Record high maximum temperature	22.0 C (71.6 F)	34 of 100 (Routine)
Bernburg/Saale (Nord)	Germany	Record high maximum temperature	20.6 C (69.1 F)	34 of 100 (Routine)
Bergland Dam	United States	Record low maximum temperature	2.8 C (37.0 F)	34 of 100 (Routine)
Hillsdale	United States	Record low maximum temperature	6.1 C (43.0 F)	34 of 100 (Routine)
Norwalk Wwtp	United States	Record low maximum temperature	8.3 C (46.9 F)	33 of 100 (Routine)
Rasht	Tajikistan	Record daily precipitation	34.6 mm (1.4 in)	32 of 100 (Routine)
Bowling Green Wwtp	United States	Record low maximum temperature	7.8 C (46.0 F)	32 of 100 (Routine)
Newport	United States	Record low maximum temperature	8.9 C (48.0 F)	32 of 100 (Routine)
Zugspitze	Germany	Record high maximum temperature	7.6 C (45.7 F)	31 of 100 (Routine)
Angleton 2 W	United States	Record low maximum temperature	21.7 C (71.1 F)	31 of 100 (Routine)
Minocqua	United States	Record low maximum temperature	2.2 C (36.0 F)	31 of 100 (Routine)
Cassville 1 NE	United States	Record low minimum temperature	-1.7 C (28.9 F)	30 of 100 (Routine)
Zacapoaxtla (Smn)	Mexico	Record daily precipitation	141.0 mm (5.6 in)	29 of 100 (Routine)
Torrevieja	Spain	Record daily precipitation	28.0 mm (1.1 in)	29 of 100 (Routine)
Shoals 8 S	United States	Record low maximum temperature	11.7 C (53.1 F)	29 of 100 (Routine)
Sonnblick	Austria	Record high maximum temperature	9.2 C (48.6 F)	28 of 100 (Routine)
Tototlan	Mexico	Record high maximum temperature	38.9 C (102.0 F)	28 of 100 (Routine)
Huauchinango	Mexico	Record daily precipitation	64.3 mm (2.5 in)	28 of 100 (Routine)
Fichtelberg	Germany	Record high maximum temperature	17.4 C (63.3 F)	27 of 100 (Routine)
Brocken	Germany	Record high minimum temperature	12.9 C (55.2 F)	27 of 100 (Routine)
Capuluaque (Cfe)	Mexico	Record daily precipitation	51.8 mm (2.0 in)	27 of 100 (Routine)
Mesa Verde Np	United States	Record low minimum temperature	-3.9 C (25.0 F)	27 of 100 (Routine)
Arkona	Germany	Record high maximum temperature	18.9 C (66.0 F)	26 of 100 (Routine)
Huahuaxtla (Cfe)	Mexico	Record daily precipitation	144.8 mm (5.7 in)	26 of 100 (Routine)
Miami	United States	Record low minimum temperature	1.7 C (35.1 F)	26 of 100 (Routine)
Palisade	United States	Record low minimum temperature	-1.1 C (30.0 F)	26 of 100 (Routine)
Decatur Wtp	United States	Record low minimum temperature	-6.7 C (19.9 F)	26 of 100 (Routine)
Greencastle 1 W	United States	Record low maximum temperature	8.9 C (48.0 F)	26 of 100 (Routine)
Annex Creek	United States	Record daily precipitation	94.2 mm (3.7 in)	26 of 100 (Routine)
Hamburg-Wandsbek	Germany	Record high maximum temperature	22.1 C (71.8 F)	25 of 100 (Routine)
Uelzen	Germany	Record high maximum temperature	23.7 C (74.7 F)	25 of 100 (Routine)
Turkestan	Kazakhstan	Record low maximum temperature	5.8 C (42.4 F)	25 of 100 (Routine)
Santiago Chivela	Mexico	Record daily precipitation	33.3 mm (1.3 in)	25 of 100 (Routine)
Martinez de la Torre (Dge)	Mexico	Record daily precipitation	104.6 mm (4.1 in)	25 of 100 (Routine)
Zaragoza Aeropuerto	Spain	Record daily precipitation	28.8 mm (1.1 in)	25 of 100 (Routine)
Vastervik	Sweden	Record high maximum temperature	17.5 C (63.5 F)	25 of 100 (Routine)
Jackson 3 NW	United States	Record low maximum temperature	10.0 C (50.0 F)	25 of 100 (Routine)
Seaside	United States	Record low maximum temperature	11.1 C (52.0 F)	25 of 100 (Routine)
Choma	Zambia	Record daily precipitation	31.5 mm (1.2 in)	25 of 100 (Routine)
Strasbourg-Entzheim	France	Record high maximum temperature	20.9 C (69.6 F)	24 of 100 (Routine)
Bloomington Indiana UNIV	United States	Record low maximum temperature	10.0 C (50.0 F)	24 of 100 (Routine)

Counts by Type and Timescale

768 records

Records set or tied on 15 October 1986 by type: Highest daily maximum 210, Lowest daily maximum 202, Highest daily minimum 119, Lowest daily minimum 109, Heaviest daily rainfall 117, Heaviest daily snowfall 7, Deepest snow cover 4.

Records on 15 October 1986 by type
Record type	Records
Highest daily maximum	210
Lowest daily maximum	202
Highest daily minimum	119
Lowest daily minimum	109
Heaviest daily rainfall	117
Heaviest daily snowfall	7
Deepest snow cover	4

Records on 15 October 1986 by timescale: all-time 0, monthly 6, daily 762.

How Much Records Were Beaten By

618 broken records

Margins by which the 618 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 102.0. Ties are not counted.

Top 20 by Significance

15 October 1986

Top 20 records on 15 October 1986 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
15 October 1986	Minatitlan, MX	monthly rain	230.9 mm (9.1 in)	63.0 mm (2.5 in)	53 years	54 of 100 (Notable)
15 October 1986	Pedrinhas, BR	daily rain	48.0 mm (1.9 in)	35.0 mm (1.4 in)	13 years	47 of 100 (Notable)
15 October 1986	Putbus, DE	daily high max	19.3 C (66.7 F)	1.8 C (3.2 F)	113 years	45 of 100 (Notable)
15 October 1986	Karlsruhe, DE	daily high max	21.8 C (71.2 F)	0.8 C (1.4 F)	109 years	41 of 100 (Notable)
15 October 1986	Aachen, DE	daily high min	15.6 C (60.1 F)	1.6 C (2.9 F)	92 years	40 of 100 (Notable)
15 October 1986	Van Wert 1 S, US	daily low max	7.8 C (46.0 F)	2.8 C (5.0 F)	92 years	40 of 100 (Notable)
15 October 1986	Petersburg 1, US	daily rain	109.2 mm (4.3 in)	55.1 mm (2.2 in)	19 years	40 of 100 (Notable)
15 October 1986	Hoopdal (Pol), ZA	daily rain	25.0 mm (1.0 in)	25.0 mm (1.0 in)	48 years	39 of 100 (Notable)
15 October 1986	Columbus, US	daily low max	9.4 C (48.9 F)	2.3 C (4.1 F)	92 years	39 of 100 (Notable)
15 October 1986	Freiburg, DE	daily high max	22.1 C (71.8 F)	0.1 C (0.2 F)	94 years	38 of 100 (Notable)
15 October 1986	Schierke, DE	daily high max	22.2 C (72.0 F)	3.4 C (6.1 F)	77 years	38 of 100 (Notable)
15 October 1986	Seymour 1 WSW, US	daily low max	10.0 C (50.0 F)	1.1 C (2.0 F)	92 years	37 of 100 (Notable)
15 October 1986	Neosho, US	daily low min	-2.8 C (27.0 F)	0.6 C (1.1 F)	92 years	37 of 100 (Notable)
15 October 1986	Chama, US	daily snow depth	12.7 cm (5.0 in)	10.2 cm (4.0 in)	63 years	37 of 100 (Notable)
15 October 1986	Kirchdorf/Poel, DE	daily high max	20.3 C (68.5 F)	1.4 C (2.5 F)	79 years	36 of 100 (Notable)
15 October 1986	Columbus, US	daily low max	9.4 C (48.9 F)	3.9 C (7.0 F)	72 years	36 of 100 (Notable)
15 October 1986	Tapachula (Dge), MX	daily rain	95.3 mm (3.8 in)	45.8 mm (1.8 in)	32 years	35 of 100 (Notable)
15 October 1986	Kabale, UG	daily rain	41.1 mm (1.6 in)	17.4 mm (0.7 in)	21 years	35 of 100 (Notable)
15 October 1986	Darwin Airport, AU	daily rain	83.6 mm (3.3 in)	43.5 mm (1.7 in)	17 years	34 of 100 (Routine)
15 October 1986	Schwerin, DE	daily high max	22.0 C (71.6 F)	0.8 C (1.4 F)	79 years	34 of 100 (Routine)

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

1794 to 1986

Records set or tied on this calendar date in each year from 1794 to 1986. 1986 had 768 records.

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

Records on 10-15 in each year
Year	Records
1794	1
1795	1
1796	1
1807	1
1808	2
1836	1
1838	1
1839	1
1849	1
1859	2
1862	1
1870	2
1871	4
1873	1
1875	1
1876	3
1877	1
1878	3
1879	3
1881	3
1882	4
1885	2
1886	1
1887	8
1889	2
1891	4
1892	1
1893	5
1894	9
1895	3
1896	8
1897	2
1898	3
1899	4
1900	3
1901	4
1902	7
1903	13
1904	10
1905	13
1906	7
1907	11
1908	13
1909	17
1910	14
1911	18
1912	17
1913	70
1914	28
1915	48
1916	21
1917	29
1918	21
1919	65
1920	38
1921	160
1922	43
1923	66
1924	118
1925	221
1926	125
1927	94
1928	385
1929	200
1930	282
1931	461
1932	213
1933	255
1934	434
1935	303
1936	126
1937	1,444
1938	598
1939	461
1940	458
1941	330
1942	494
1943	704
1944	246
1945	487
1946	354
1947	963
1948	224
1949	546
1950	321
1951	341
1952	662
1953	374
1954	945
1955	444
1956	555
1957	461
1958	606
1959	411
1960	600
1961	834
1962	1,009
1963	522
1964	488
1965	299
1966	1,265
1967	464
1968	1,111
1969	1,074
1970	642
1971	744
1972	584
1973	525
1974	768
1975	808
1976	791
1977	543
1978	886
1979	720
1980	1,006
1981	965
1982	297
1983	653
1984	1,236
1985	1,068
1986	768
1987	900
1988	896
1989	560
1990	1,134
1991	1,139
1992	1,530
1993	1,066
1994	1,103
1995	1,008
1996	458
1997	964
1998	806
1999	766
2000	625
2001	705
2002	965
2003	737
2004	716
2005	610
2006	1,305
2007	702
2008	959
2009	2,365
2010	1,095
2011	906
2012	909
2013	632
2014	901
2015	1,139
2016	674
2017	1,091
2018	2,682
2019	479
2020	499
2021	983
2022	633
2023	319
2024	748
2025	697

Download the Data

Data for records on 1986-10-15: 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	601
20 to 40	8
40 to 60	4
60 to 80	4
80 to 100	0
100 to 120	1