Weather Records on 15 October 1987

900 weather records were set or tied worldwide on 15 October 1987. Highest significance: Gjerstad I Aust-Agder, NO.

Key Facts for 15 October 1987

On 15 October 1987, 900 weather records were set or tied at long-record stations worldwide.
234 were record highs and 380 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 14 monthly and 885 daily.
Gjerstad I Aust-Agder set a daily record precipitation of 87.9 mm (3.5 in) on 15 October 1987.
Across 159 earlier years (1794 to 2025) the same calendar date averaged 457 records.

Record Map

900 stations

900 station records on 15 October 1987 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 15 October 1987: highest significance records shown on the map
Station	Country	Type	Value	Significance
Gjerstad I Aust-Agder	Norway	Record daily precipitation	87.9 mm (3.5 in)	61 of 100 (Major)
Kalgan River	Australia	Record daily precipitation	32.2 mm (1.3 in)	56 of 100 (Notable)
Cordinup	Australia	Record daily precipitation	35.0 mm (1.4 in)	53 of 100 (Notable)
Ganyu	China	Record daily precipitation	55.1 mm (2.2 in)	51 of 100 (Notable)
Barcelos	Portugal	Record daily precipitation	96.0 mm (3.8 in)	49 of 100 (Notable)
King River	Australia	Record daily precipitation	32.0 mm (1.3 in)	47 of 100 (Notable)
Hedrum	Norway	Record daily precipitation	63.2 mm (2.5 in)	46 of 100 (Notable)
Papkuil	South Africa	Record daily precipitation	41.3 mm (1.6 in)	45 of 100 (Notable)
Ponte de Lima	Portugal	Record daily precipitation	80.0 mm (3.1 in)	44 of 100 (Notable)
Warriup	Australia	Record daily precipitation	25.6 mm (1.0 in)	42 of 100 (Notable)
Mayaguez AP	Puerto Rico [United States]	Record daily precipitation	101.6 mm (4.0 in)	42 of 100 (Notable)
Manypeaks	Australia	Record daily precipitation	33.0 mm (1.3 in)	40 of 100 (Notable)
Shelbyville 1 E	United States	Record low minimum temperature	-5.6 C (21.9 F)	40 of 100 (Notable)
Tuddal	Norway	Record daily precipitation	73.5 mm (2.9 in)	39 of 100 (Notable)
Hawarden Bridge	United Kingdom	Record daily precipitation	26.5 mm (1.0 in)	39 of 100 (Notable)
Etla	Mexico	Record low minimum temperature	5.6 C (42.1 F)	36 of 100 (Notable)
Altotonga	Mexico	Record high maximum temperature	26.7 C (80.1 F)	36 of 100 (Notable)
Albany	Australia	Record daily precipitation	29.0 mm (1.1 in)	35 of 100 (Notable)
Mannersley	Australia	Record daily precipitation	34.0 mm (1.3 in)	35 of 100 (Notable)
Rennes-St Jacques	France	Record daily precipitation	43.0 mm (1.7 in)	35 of 100 (Notable)
Rome	United States	Record low minimum temperature	-1.1 C (30.0 F)	35 of 100 (Notable)
W Liberty 3NW	United States	Record low minimum temperature	-3.3 C (26.1 F)	35 of 100 (Notable)
Greeneville Exp STN	United States	Record low minimum temperature	-2.8 C (27.0 F)	35 of 100 (Notable)
El Rosarito	Mexico	Record daily precipitation	54.9 mm (2.2 in)	34 of 100 (Routine)
Sokode	Togo	Record daily precipitation	101.1 mm (4.0 in)	34 of 100 (Routine)
Livingston	United States	Record low minimum temperature	0.0 C (32.0 F)	34 of 100 (Routine)
State UNIV	United States	Record low minimum temperature	1.1 C (34.0 F)	34 of 100 (Routine)
Clemson UNIV	United States	Record low minimum temperature	0.0 C (32.0 F)	34 of 100 (Routine)
Martinsburg E W Virginia Rgnl	United States	Record low minimum temperature	-2.8 C (27.0 F)	34 of 100 (Routine)
Georgetown Post Office	Australia	Record high maximum temperature	39.0 C (102.2 F)	33 of 100 (Routine)
Huichapan	Mexico	Record low maximum temperature	13.9 C (57.0 F)	33 of 100 (Routine)
Gvarv	Norway	Record daily precipitation	43.2 mm (1.7 in)	33 of 100 (Routine)
Milledgeville	United States	Record low minimum temperature	0.6 C (33.1 F)	33 of 100 (Routine)
Grassmere	Australia	Record daily precipitation	33.4 mm (1.3 in)	32 of 100 (Routine)
Abjorsbraten	Norway	Record daily precipitation	25.2 mm (1.0 in)	32 of 100 (Routine)
Heden	Sweden	Record daily precipitation	36.7 mm (1.4 in)	32 of 100 (Routine)
Buenavista de Cuellar	Mexico	Record low maximum temperature	21.7 C (71.1 F)	31 of 100 (Routine)
Kainaliu 73.2	United States	Record low maximum temperature	23.9 C (75.0 F)	31 of 100 (Routine)
Garcia	Brazil	Record daily precipitation	41.8 mm (1.6 in)	30 of 100 (Routine)
Kehmen-Diekirch	Luxembourg	Record daily precipitation	29.5 mm (1.2 in)	30 of 100 (Routine)
Lunner	Norway	Record daily precipitation	44.1 mm (1.7 in)	30 of 100 (Routine)
Postmyr I Drangedal	Norway	Record daily precipitation	95.1 mm (3.7 in)	30 of 100 (Routine)
Rjukan	Norway	Record daily precipitation	50.1 mm (2.0 in)	30 of 100 (Routine)
Leon Virgen del Camino	Spain	Record daily precipitation	30.4 mm (1.2 in)	30 of 100 (Routine)
Molndal	Sweden	Record daily precipitation	29.5 mm (1.2 in)	30 of 100 (Routine)
Lisskogsasen	Sweden	Record daily precipitation	26.1 mm (1.0 in)	30 of 100 (Routine)
Monto Township	Australia	Record daily precipitation	29.6 mm (1.2 in)	29 of 100 (Routine)
Zoh Laguna	Mexico	Record low minimum temperature	11.7 C (53.1 F)	29 of 100 (Routine)
Spearman	United States	Record daily precipitation	34.0 mm (1.3 in)	29 of 100 (Routine)
Umbarger	United States	Record daily precipitation	38.9 mm (1.5 in)	29 of 100 (Routine)
Williamson	United States	Record low minimum temperature	-5.6 C (21.9 F)	29 of 100 (Routine)
Tibooburra Post Office	Australia	Record high maximum temperature	37.8 C (100.0 F)	28 of 100 (Routine)
Garcia	Brazil	Record daily precipitation	45.6 mm (1.8 in)	28 of 100 (Routine)
Munchen-Nymphenburg	Germany	Record high maximum temperature	21.3 C (70.3 F)	28 of 100 (Routine)
El Carmen (Smn)	Mexico	Record low minimum temperature	17.8 C (64.0 F)	28 of 100 (Routine)
Calero Camp	Puerto Rico [United States]	Record daily precipitation	50.8 mm (2.0 in)	28 of 100 (Routine)
Ponferrada	Spain	Record daily precipitation	33.1 mm (1.3 in)	28 of 100 (Routine)
Dingle	Sweden	Record daily precipitation	36.3 mm (1.4 in)	28 of 100 (Routine)
Jefferson 2 E	United States	Record low minimum temperature	-7.2 C (19.0 F)	28 of 100 (Routine)
Wyntoon	Australia	Record daily precipitation	56.0 mm (2.2 in)	27 of 100 (Routine)

Counts by Type and Timescale

900 records

Records set or tied on 15 October 1987 by type: Highest daily maximum 85, Lowest daily maximum 49, Highest daily minimum 149, Lowest daily minimum 331, Heaviest daily rainfall 284, Heaviest daily snowfall 2.

Records on 15 October 1987 by type
Record type	Records
Highest daily maximum	85
Lowest daily maximum	49
Highest daily minimum	149
Lowest daily minimum	331
Heaviest daily rainfall	284
Heaviest daily snowfall	2
Deepest snow cover	0

Records on 15 October 1987 by timescale: all-time 1, monthly 14, daily 885.

How Much Records Were Beaten By

715 broken records

Margins by which the 715 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 65.0. Ties are not counted.

Top 20 by Significance

15 October 1987

Top 20 records on 15 October 1987 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
15 October 1987	Gjerstad I Aust-Agder, NO	daily rain	87.9 mm (3.5 in)	35.4 mm (1.4 in)	84 years	61 of 100 (Major)
15 October 1987	Kalgan River, AU	daily rain	32.2 mm (1.3 in)	20.3 mm (0.8 in)	62 years	56 of 100 (Notable)
15 October 1987	Cordinup, AU	daily rain	35.0 mm (1.4 in)	24.3 mm (1.0 in)	36 years	53 of 100 (Notable)
15 October 1987	Ganyu, CN	daily rain	55.1 mm (2.2 in)	48.5 mm (1.9 in)	26 years	51 of 100 (Notable)
15 October 1987	Barcelos, PT	daily rain	96.0 mm (3.8 in)	65.0 mm (2.6 in)	20 years	49 of 100 (Notable)
15 October 1987	King River, AU	daily rain	32.0 mm (1.3 in)	14.5 mm (0.6 in)	62 years	47 of 100 (Notable)
15 October 1987	Hedrum, NO	monthly rain	63.2 mm (2.5 in)	2.2 mm (0.09 in)	84 years	46 of 100 (Notable)
15 October 1987	Papkuil, ZA	daily rain	41.3 mm (1.6 in)	34.3 mm (1.4 in)	10 years	45 of 100 (Notable)
15 October 1987	Ponte de Lima, PT	daily rain	80.0 mm (3.1 in)	51.0 mm (2.0 in)	20 years	44 of 100 (Notable)
15 October 1987	Warriup, AU	daily rain	25.6 mm (1.0 in)	15.9 mm (0.6 in)	36 years	42 of 100 (Notable)
15 October 1987	Mayaguez AP, PR	monthly rain	101.6 mm (4.0 in)	30.0 mm (1.2 in)	23 years	42 of 100 (Notable)
15 October 1987	Manypeaks, AU	daily rain	33.0 mm (1.3 in)	16.2 mm (0.6 in)	36 years	40 of 100 (Notable)
15 October 1987	Shelbyville 1 E, US	daily low min	-5.6 C (21.9 F)	2.3 C (4.1 F)	92 years	40 of 100 (Notable)
15 October 1987	Tuddal, NO	monthly rain	73.5 mm (2.9 in)	4.3 mm (0.17 in)	53 years	39 of 100 (Notable)
15 October 1987	Hawarden Bridge, GB	daily rain	26.5 mm (1.0 in)	14.2 mm (0.6 in)	4 years	39 of 100 (Notable)
15 October 1987	Etla, MX	daily low min	5.6 C (42.1 F)	4.4 C (7.9 F)	64 years	36 of 100 (Notable)
15 October 1987	Altotonga, MX	daily high max	26.7 C (80.1 F)	3.9 C (7.0 F)	60 years	36 of 100 (Notable)
15 October 1987	Albany, AU	daily rain	29.0 mm (1.1 in)	5.9 mm (0.23 in)	56 years	35 of 100 (Notable)
15 October 1987	Mannersley, AU	daily rain	34.0 mm (1.3 in)	18.3 mm (0.7 in)	48 years	35 of 100 (Notable)
15 October 1987	Rennes-St Jacques, FR	daily rain	43.0 mm (1.7 in)	15.3 mm (0.6 in)	13 years	35 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

1794 to 1987

Records set or tied on this calendar date in each year from 1794 to 1987. 1987 had 900 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 1987-10-15: 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 10	629
10 to 20	64
20 to 30	12
30 to 40	3
40 to 50	2
50 to 60	2
60 to 70	3