Weather Records on 11 October 1987

1,603 weather records were set or tied worldwide on 11 October 1987. Highest significance: Col du Grand St-Bernard, CH.

Key Facts for 11 October 1987

On 11 October 1987, 1,603 weather records were set or tied at long-record stations worldwide.
367 were record highs and 974 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 18 monthly and 1,585 daily.
Col du Grand St-Bernard set a daily record precipitation of 117.3 mm (4.6 in) on 11 October 1987.
Across 165 earlier years (1793 to 2026) the same calendar date averaged 448 records.

Record Map

1,603 stations

1,603 station records on 11 October 1987 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 11 October 1987: highest significance records shown on the map
Station	Country	Type	Value	Significance
Col du Grand St-Bernard	Switzerland	Record daily precipitation	117.3 mm (4.6 in)	61 of 100 (Major)
Miyazaki	Japan	Record daily precipitation	233.5 mm (9.2 in)	51 of 100 (Notable)
Charles City	United States	Record low minimum temperature	-8.9 C (16.0 F)	51 of 100 (Notable)
Dolinsk	Russia	Record daily precipitation	54.0 mm (2.1 in)	50 of 100 (Notable)
Miyakonojo	Japan	Record daily precipitation	135.5 mm (5.3 in)	46 of 100 (Notable)
Cresco 1 NE	United States	Record low minimum temperature	-7.8 C (18.0 F)	46 of 100 (Notable)
Huichapan	Mexico	Record low maximum temperature	10.6 C (51.1 F)	45 of 100 (Notable)
Western 2W	United States	Record daily snowfall	7.6 cm (3.0 in)	45 of 100 (Notable)
Mullheim	Germany	Record daily precipitation	30.1 mm (1.2 in)	44 of 100 (Notable)
Aburatsu	Japan	Record daily precipitation	212.0 mm (8.3 in)	43 of 100 (Notable)
Decorah	United States	Record low minimum temperature	-8.3 C (17.1 F)	43 of 100 (Notable)
Tower 2S	United States	Record low minimum temperature	-10.0 C (14.0 F)	43 of 100 (Notable)
Strasbourg-Entzheim	France	Record daily precipitation	25.4 mm (1.0 in)	42 of 100 (Notable)
Northwood	United States	Record low minimum temperature	-9.4 C (15.1 F)	42 of 100 (Notable)
Maryville 2E	United States	Record low maximum temperature	4.4 C (39.9 F)	42 of 100 (Notable)
Selby	United States	Record low minimum temperature	-9.4 C (15.1 F)	42 of 100 (Notable)
Beaver City	United States	Record low minimum temperature	-8.3 C (17.1 F)	41 of 100 (Notable)
Syracuse	United States	Record low maximum temperature	3.3 C (37.9 F)	41 of 100 (Notable)
Nevada City	United States	Record high minimum temperature	11.1 C (52.0 F)	40 of 100 (Notable)
Gothenburg	United States	Record low minimum temperature	-7.2 C (19.0 F)	40 of 100 (Notable)
Healdton 3 E	United States	Record low maximum temperature	13.3 C (55.9 F)	40 of 100 (Notable)
Dublin Phoenix Park	Ireland	Record low minimum temperature	-1.0 C (30.2 F)	39 of 100 (Notable)
Dushanbe	Tajikistan	Record low maximum temperature	8.1 C (46.6 F)	39 of 100 (Notable)
Glenwood 3SW	United States	Record low minimum temperature	-9.4 C (15.1 F)	39 of 100 (Notable)
Webster City	United States	Record low minimum temperature	-10.0 C (14.0 F)	39 of 100 (Notable)
Marble Hill	United States	Record low maximum temperature	13.3 C (55.9 F)	39 of 100 (Notable)
Broken Bow 2 W	United States	Record low minimum temperature	-10.0 C (14.0 F)	39 of 100 (Notable)
David City 4E	United States	Record low minimum temperature	-5.0 C (23.0 F)	39 of 100 (Notable)
Neillsville 3ESE	United States	Record low minimum temperature	-10.0 C (14.0 F)	39 of 100 (Notable)
Scottsbluff W B Heilig Fld AP	United States	Record low minimum temperature	-8.9 C (16.0 F)	39 of 100 (Notable)
Ilyinskiy	Russia	Record daily precipitation	31.1 mm (1.2 in)	38 of 100 (Notable)
Eureka Springs 3 WNW	United States	Record low maximum temperature	6.1 C (43.0 F)	38 of 100 (Notable)
Carbondale Sewage Plt	United States	Record low maximum temperature	8.9 C (48.0 F)	38 of 100 (Notable)
Jacksonville 2E	United States	Record low maximum temperature	6.7 C (44.1 F)	38 of 100 (Notable)
White Hall 1 E	United States	Record low maximum temperature	7.2 C (45.0 F)	38 of 100 (Notable)
Columbus	United States	Record low maximum temperature	9.4 C (48.9 F)	38 of 100 (Notable)
Brunswick	United States	Record low maximum temperature	5.6 C (42.1 F)	38 of 100 (Notable)
Lamar 7N	United States	Record low maximum temperature	6.7 C (44.1 F)	38 of 100 (Notable)
Broadview	United States	Record low minimum temperature	-10.6 C (12.9 F)	38 of 100 (Notable)
Auburn 5 ESE	United States	Record low minimum temperature	-6.1 C (21.0 F)	38 of 100 (Notable)
Hay Springs	United States	Record low minimum temperature	-9.4 C (15.1 F)	38 of 100 (Notable)
Guthrie 5S	United States	Record low maximum temperature	10.0 C (50.0 F)	38 of 100 (Notable)
Wolfstein/Pfalz	Germany	Record daily precipitation	25.7 mm (1.0 in)	37 of 100 (Notable)
Albia 3 NNE	United States	Record low minimum temperature	-5.6 C (21.9 F)	37 of 100 (Notable)
Grinnell 3 SW	United States	Record low minimum temperature	-8.3 C (17.1 F)	37 of 100 (Notable)
Grundy Ctr	United States	Record low minimum temperature	-8.3 C (17.1 F)	37 of 100 (Notable)
Guthrie Ctr	United States	Record low minimum temperature	-8.3 C (17.1 F)	37 of 100 (Notable)
Jefferson	United States	Record low minimum temperature	-8.3 C (17.1 F)	37 of 100 (Notable)
Knoxville	United States	Record low minimum temperature	-6.1 C (21.0 F)	37 of 100 (Notable)
Mt Ayr	United States	Record low minimum temperature	-6.7 C (19.9 F)	37 of 100 (Notable)
Osage	United States	Record low minimum temperature	-6.1 C (21.0 F)	37 of 100 (Notable)
Grant City	United States	Record low minimum temperature	-6.1 C (21.0 F)	37 of 100 (Notable)
Franklin	United States	Record low minimum temperature	-6.7 C (19.9 F)	37 of 100 (Notable)
Holdrege	United States	Record low maximum temperature	2.2 C (36.0 F)	37 of 100 (Notable)
Oakdale	United States	Record low minimum temperature	-10.0 C (14.0 F)	37 of 100 (Notable)
W Pt	United States	Record low minimum temperature	-7.2 C (19.0 F)	37 of 100 (Notable)
Arcade	United States	Record low maximum temperature	7.2 C (45.0 F)	37 of 100 (Notable)
Leyburn Post Office	Australia	Record daily precipitation	45.0 mm (1.8 in)	36 of 100 (Notable)
Kremsmuenster	Austria	Record high maximum temperature	22.2 C (72.0 F)	36 of 100 (Notable)
Humacao 2 SSE	Puerto Rico [United States]	Record low maximum temperature	25.6 C (78.1 F)	36 of 100 (Notable)

Counts by Type and Timescale

1,603 records

Records set or tied on 11 October 1987 by type: Highest daily maximum 195, Lowest daily maximum 429, Highest daily minimum 172, Lowest daily minimum 545, Heaviest daily rainfall 198, Heaviest daily snowfall 49, Deepest snow cover 15.

Records on 11 October 1987 by type
Record type	Records
Highest daily maximum	195
Lowest daily maximum	429
Highest daily minimum	172
Lowest daily minimum	545
Heaviest daily rainfall	198
Heaviest daily snowfall	49
Deepest snow cover	15

Records on 11 October 1987 by timescale: all-time 0, monthly 18, daily 1,585.

How Much Records Were Beaten By

1,341 broken records

Margins by which the 1,341 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 183.9. Ties are not counted.

Top 20 by Significance

11 October 1987

Top 20 records on 11 October 1987 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
11 October 1987	Col du Grand St-Bernard, CH	daily rain	117.3 mm (4.6 in)	68.7 mm (2.7 in)	45 years	61 of 100 (Major)
11 October 1987	Miyazaki, JP	daily rain	233.5 mm (9.2 in)	183.9 mm (7.2 in)	28 years	51 of 100 (Notable)
11 October 1987	Charles City, US	daily low min	-8.9 C (16.0 F)	8.3 C (14.9 F)	92 years	51 of 100 (Notable)
11 October 1987	Dolinsk, RU	daily rain	54.0 mm (2.1 in)	44.9 mm (1.8 in)	18 years	50 of 100 (Notable)
11 October 1987	Miyakonojo, JP	daily rain	135.5 mm (5.3 in)	114.5 mm (4.5 in)	12 years	46 of 100 (Notable)
11 October 1987	Cresco 1 NE, US	daily low min	-7.8 C (18.0 F)	5.6 C (10.1 F)	92 years	46 of 100 (Notable)
11 October 1987	Huichapan, MX	daily low max	10.6 C (51.1 F)	7.2 C (13.0 F)	54 years	45 of 100 (Notable)
11 October 1987	Western 2W, US	daily snowfall	7.6 cm (3.0 in)	7.6 cm (3.0 in)	76 years	45 of 100 (Notable)
11 October 1987	Mullheim, DE	daily rain	30.1 mm (1.2 in)	20.2 mm (0.8 in)	26 years	44 of 100 (Notable)
11 October 1987	Aburatsu, JP	daily rain	212.0 mm (8.3 in)	179.0 mm (7.0 in)	2 years	43 of 100 (Notable)
11 October 1987	Decorah, US	daily low min	-8.3 C (17.1 F)	4.4 C (7.9 F)	92 years	43 of 100 (Notable)
11 October 1987	Tower 2S, US	daily low min	-10.0 C (14.0 F)	4.4 C (7.9 F)	89 years	43 of 100 (Notable)
11 October 1987	Strasbourg-Entzheim, FR	daily rain	25.4 mm (1.0 in)	15.8 mm (0.6 in)	6 years	42 of 100 (Notable)
11 October 1987	Northwood, US	daily low min	-9.4 C (15.1 F)	5.0 C (9.0 F)	80 years	42 of 100 (Notable)
11 October 1987	Maryville 2E, US	daily low max	4.4 C (39.9 F)	3.9 C (7.0 F)	90 years	42 of 100 (Notable)
11 October 1987	Selby, US	daily low min	-9.4 C (15.1 F)	5.0 C (9.0 F)	80 years	42 of 100 (Notable)
11 October 1987	Beaver City, US	daily low min	-8.3 C (17.1 F)	2.7 C (4.9 F)	90 years	41 of 100 (Notable)
11 October 1987	Syracuse, US	daily low max	3.3 C (37.9 F)	6.1 C (11.0 F)	77 years	41 of 100 (Notable)
11 October 1987	Nevada City, US	daily high min	11.1 C (52.0 F)	1.7 C (3.1 F)	90 years	40 of 100 (Notable)
11 October 1987	Gothenburg, US	daily low min	-7.2 C (19.0 F)	2.2 C (4.0 F)	92 years	40 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 1987

Records set or tied on this calendar date in each year from 1793 to 1987. 1987 had 1,603 records.

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

Records on 10-11 in each year
Year	Records
1793	1
1801	1
1802	2
1803	1
1805	1
1807	1
1811	1
1814	2
1839	1
1845	1
1849	1
1851	1
1852	1
1854	1
1859	1
1860	4
1861	1
1864	2
1867	2
1869	1
1870	1
1872	2
1873	2
1875	1
1876	4
1877	3
1879	2
1880	2
1884	2
1885	5
1887	4
1888	2
1889	3
1890	1
1891	2
1892	2
1896	2
1897	4
1898	4
1900	1
1901	8
1902	14
1903	10
1904	20
1905	17
1906	52
1907	10
1908	11
1909	17
1910	31
1911	14
1912	21
1913	48
1914	40
1915	14
1916	25
1917	48
1918	32
1919	76
1920	140
1921	92
1922	35
1923	231
1924	149
1925	196
1926	137
1927	176
1928	713
1929	259
1930	656
1931	396
1932	235
1933	200
1934	862
1935	245
1936	243
1937	242
1938	438
1939	249
1940	201
1941	190
1942	537
1943	414
1944	247
1945	284
1946	770
1947	405
1948	736
1949	835
1950	450
1951	538
1952	472
1953	408
1954	672
1955	434
1956	894
1957	258
1958	795
1959	1,027
1960	333
1961	610
1962	857
1963	570
1964	927
1965	202
1966	279
1967	643
1968	312
1969	1,032
1970	859
1971	521
1972	708
1973	1,325
1974	356
1975	559
1976	565
1977	655
1978	426
1979	1,260
1980	478
1981	776
1982	1,141
1983	542
1984	552
1985	977
1986	961
1987	1,603
1988	621
1989	571
1990	1,617
1991	1,055
1992	527
1993	883
1994	726
1995	975
1996	842
1997	1,809
1998	750
1999	996
2000	1,782
2001	962
2002	1,000
2003	1,191
2004	593
2005	1,044
2006	840
2007	610
2008	1,369
2009	2,594
2010	964
2011	1,176
2012	696
2013	666
2014	620
2015	1,032
2016	378
2017	1,101
2018	1,517
2019	1,760
2020	680
2021	873
2022	244
2023	858
2024	842
2025	711
2026	897

Download the Data

Data for records on 1987-10-11: 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 25	1,294
25 to 50	31
50 to 75	9
75 to 100	4
100 to 125	1
125 to 150	0
150 to 175	0
175 to 200	2