Weather Records on 9 August 1987

927 weather records were set or tied worldwide on 9 August 1987. Highest significance: Kislovodsk, RU.

Key Facts for 9 August 1987

On 9 August 1987, 927 weather records were set or tied at long-record stations worldwide.
405 were record highs and 325 were record lows, counting maximum and minimum temperature.
By timescale, 4 were all-time records, 39 monthly and 884 daily.
Kislovodsk set a daily record precipitation of 66.8 mm (2.6 in) on 9 August 1987.
Across 156 earlier years (1798 to 2026) the same calendar date averaged 471 records.

Record Map

927 stations

927 station records on 9 August 1987 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 9 August 1987: highest significance records shown on the map
Station	Country	Type	Value	Significance
Kislovodsk	Russia	Record daily precipitation	66.8 mm (2.6 in)	78 of 100 (Major)
Irapuato	Mexico	Record low minimum temperature	10.0 C (50.0 F)	60 of 100 (Major)
Wellston Tippy Dam	United States	Record daily precipitation	70.4 mm (2.8 in)	59 of 100 (Notable)
Umbarger	United States	Record daily precipitation	104.1 mm (4.1 in)	50 of 100 (Notable)
Ignacio Allende	Mexico	Record daily precipitation	89.9 mm (3.5 in)	49 of 100 (Notable)
Lockport 2SE	United States	Record daily precipitation	72.6 mm (2.9 in)	49 of 100 (Notable)
Cadillac	United States	Record daily precipitation	57.7 mm (2.3 in)	47 of 100 (Notable)
Aurangabad Chikalth	India	Record daily precipitation	64.0 mm (2.5 in)	46 of 100 (Notable)
Carrollton	United States	Record high minimum temperature	27.8 C (82.0 F)	46 of 100 (Notable)
Brunswick	United States	Record high minimum temperature	26.7 C (80.1 F)	45 of 100 (Notable)
Mombasa	Kenya	Record daily precipitation	45.7 mm (1.8 in)	44 of 100 (Notable)
Mt Clemens Ang Base	United States	Record daily precipitation	41.1 mm (1.6 in)	44 of 100 (Notable)
Huichapan	Mexico	Record low maximum temperature	15.0 C (59.0 F)	42 of 100 (Notable)
St. Petersburg	Russia	Record low maximum temperature	11.3 C (52.3 F)	42 of 100 (Notable)
Mosquero 1 NE	United States	Record daily precipitation	43.2 mm (1.7 in)	42 of 100 (Notable)
Kr. Holzminden Bevern	Germany	Record daily precipitation	35.6 mm (1.4 in)	41 of 100 (Notable)
Orebro	Sweden	Record low maximum temperature	11.7 C (53.1 F)	41 of 100 (Notable)
Frankfort 2NE	United States	Record daily precipitation	45.0 mm (1.8 in)	41 of 100 (Notable)
Baldwin	United States	Record daily precipitation	67.8 mm (2.7 in)	41 of 100 (Notable)
Cuixtla	Mexico	Record daily precipitation	61.0 mm (2.4 in)	40 of 100 (Notable)
Ulricehamn	Sweden	Record low maximum temperature	12.3 C (54.1 F)	40 of 100 (Notable)
Boras	Sweden	Record low maximum temperature	14.1 C (57.4 F)	39 of 100 (Notable)
Dover	United States	Record high minimum temperature	25.6 C (78.1 F)	39 of 100 (Notable)
Woodstock	United States	Record high minimum temperature	25.6 C (78.1 F)	39 of 100 (Notable)
Canyon	United States	Record daily precipitation	50.5 mm (2.0 in)	39 of 100 (Notable)
Bad Lippspringe	Germany	Record daily precipitation	42.4 mm (1.7 in)	38 of 100 (Notable)
Gogland	Russia	Record low maximum temperature	12.1 C (53.8 F)	38 of 100 (Notable)
Salida	United States	Record low maximum temperature	21.7 C (71.1 F)	38 of 100 (Notable)
Ocala	United States	Record high maximum temperature	37.8 C (100.0 F)	38 of 100 (Notable)
Saint Leo	United States	Record high maximum temperature	36.7 C (98.1 F)	38 of 100 (Notable)
Salem 5 NNE	United States	Record daily precipitation	81.5 mm (3.2 in)	38 of 100 (Notable)
Ellsworth 1E	United States	Record daily precipitation	57.2 mm (2.3 in)	38 of 100 (Notable)
Flahult	Sweden	Record low maximum temperature	13.2 C (55.8 F)	37 of 100 (Notable)
Vanersborg	Sweden	Record low maximum temperature	13.5 C (56.3 F)	37 of 100 (Notable)
Skovde	Sweden	Record low minimum temperature	3.0 C (37.4 F)	37 of 100 (Notable)
E Tawas	United States	Record daily precipitation	45.7 mm (1.8 in)	37 of 100 (Notable)
Hendersonville 1 NE	United States	Record high minimum temperature	20.6 C (69.1 F)	37 of 100 (Notable)
Tartu	Estonia	Record low maximum temperature	13.1 C (55.6 F)	36 of 100 (Notable)
Minusinsk	Russia	Record daily precipitation	30.2 mm (1.2 in)	36 of 100 (Notable)
Madison	United States	Record low minimum temperature	3.3 C (37.9 F)	36 of 100 (Notable)
Buckhannon	United States	Record high maximum temperature	34.4 C (93.9 F)	36 of 100 (Notable)
Quitman 2 NW	United States	Record high minimum temperature	24.4 C (75.9 F)	35 of 100 (Notable)
Houghton Lake 6 WSW	United States	Record daily precipitation	53.8 mm (2.1 in)	35 of 100 (Notable)
W Plains	United States	Record high minimum temperature	25.6 C (78.1 F)	35 of 100 (Notable)
Velikie Luki	Russia	Record low maximum temperature	14.6 C (58.3 F)	34 of 100 (Routine)
Ft Pierce	United States	Record high maximum temperature	35.6 C (96.1 F)	34 of 100 (Routine)
Live Oak	United States	Record high maximum temperature	37.2 C (99.0 F)	34 of 100 (Routine)
Oshkosh	United States	Record low maximum temperature	20.0 C (68.0 F)	34 of 100 (Routine)
Tartu-Toravere	Estonia	Record low maximum temperature	13.8 C (56.8 F)	33 of 100 (Routine)
Alicia 2 NNE	United States	Record high minimum temperature	25.0 C (77.0 F)	33 of 100 (Routine)
Stillwater 1 SE	United States	Record daily precipitation	31.8 mm (1.3 in)	33 of 100 (Routine)
Clovis	United States	Record daily precipitation	58.2 mm (2.3 in)	33 of 100 (Routine)
Elephant Butte Dam	United States	Record daily precipitation	32.5 mm (1.3 in)	33 of 100 (Routine)
Pedernal 9 E	United States	Record daily precipitation	35.6 mm (1.4 in)	33 of 100 (Routine)
Deqen	China	Record low maximum temperature	8.5 C (47.3 F)	32 of 100 (Routine)
Wuzhou	China	Record low maximum temperature	25.2 C (77.4 F)	32 of 100 (Routine)
Nanning	China	Record daily precipitation	70.0 mm (2.8 in)	32 of 100 (Routine)
Ridder	Kazakhstan	Record daily precipitation	29.9 mm (1.2 in)	32 of 100 (Routine)
Boquilla Santa Rosa de la Mis	Mexico	Record low minimum temperature	3.9 C (39.0 F)	32 of 100 (Routine)
Mt Ida 3 SE	United States	Record high minimum temperature	23.3 C (73.9 F)	32 of 100 (Routine)

Counts by Type and Timescale

927 records

Records set or tied on 9 August 1987 by type: Highest daily maximum 155, Lowest daily maximum 237, Highest daily minimum 250, Lowest daily minimum 88, Heaviest daily rainfall 197.

Records on 9 August 1987 by type
Record type	Records
Highest daily maximum	155
Lowest daily maximum	237
Highest daily minimum	250
Lowest daily minimum	88
Heaviest daily rainfall	197
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 9 August 1987 by timescale: all-time 4, monthly 39, daily 884.

How Much Records Were Beaten By

684 broken records

Margins by which the 684 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 90.9. Ties are not counted.

Top 20 by Significance

9 August 1987

Top 20 records on 9 August 1987 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
9 August 1987	Kislovodsk, RU	daily rain	66.8 mm (2.6 in)	37.1 mm (1.5 in)	94 years	78 of 100 (Major)
9 August 1987	Irapuato, MX	daily low min	10.0 C (50.0 F)	3.9 C (7.0 F)	77 years	60 of 100 (Major)
9 August 1987	Wellston Tippy Dam, US	daily rain	70.4 mm (2.8 in)	36.9 mm (1.5 in)	66 years	59 of 100 (Notable)
9 August 1987	Umbarger, US	daily rain	104.1 mm (4.1 in)	90.9 mm (3.6 in)	21 years	50 of 100 (Notable)
9 August 1987	Ignacio Allende, MX	daily rain	89.9 mm (3.5 in)	65.0 mm (2.6 in)	24 years	49 of 100 (Notable)
9 August 1987	Lockport 2SE, US	daily rain	72.6 mm (2.9 in)	25.4 mm (1.0 in)	61 years	49 of 100 (Notable)
9 August 1987	Cadillac, US	daily rain	57.7 mm (2.3 in)	40.2 mm (1.6 in)	34 years	47 of 100 (Notable)
9 August 1987	Aurangabad Chikalth, IN	daily rain	64.0 mm (2.5 in)	42.9 mm (1.7 in)	13 years	46 of 100 (Notable)
9 August 1987	Carrollton, US	daily high min	27.8 C (82.0 F)	3.4 C (6.1 F)	90 years	46 of 100 (Notable)
9 August 1987	Brunswick, US	daily high min	26.7 C (80.1 F)	1.7 C (3.1 F)	80 years	45 of 100 (Notable)
9 August 1987	Mombasa, KE	daily rain	45.7 mm (1.8 in)	32.7 mm (1.3 in)	28 years	44 of 100 (Notable)
9 August 1987	Mt Clemens Ang Base, US	daily rain	41.1 mm (1.6 in)	9.3 mm (0.37 in)	90 years	44 of 100 (Notable)
9 August 1987	Huichapan, MX	daily low max	15.0 C (59.0 F)	5.0 C (9.0 F)	60 years	42 of 100 (Notable)
9 August 1987	St. Petersburg, RU	daily low max	11.3 C (52.3 F)	3.2 C (5.8 F)	82 years	42 of 100 (Notable)
9 August 1987	Mosquero 1 NE, US	daily rain	43.2 mm (1.7 in)	22.9 mm (0.9 in)	57 years	42 of 100 (Notable)
9 August 1987	Kr. Holzminden Bevern, DE	daily rain	35.6 mm (1.4 in)	19.3 mm (0.8 in)	26 years	41 of 100 (Notable)
9 August 1987	Orebro, SE	daily low max	11.7 C (53.1 F)	2.3 C (4.1 F)	84 years	41 of 100 (Notable)
9 August 1987	Frankfort 2NE, US	daily rain	45.0 mm (1.8 in)	25.4 mm (1.0 in)	34 years	41 of 100 (Notable)
9 August 1987	Baldwin, US	daily rain	67.8 mm (2.7 in)	43.7 mm (1.7 in)	29 years	41 of 100 (Notable)
9 August 1987	Cuixtla, MX	daily rain	61.0 mm (2.4 in)	38.6 mm (1.5 in)	16 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

1798 to 1987

Records set or tied on this calendar date in each year from 1798 to 1987. 1987 had 927 records.

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

Records on 08-09 in each year
Year	Records
1798	2
1800	1
1838	1
1845	3
1856	1
1859	3
1861	1
1863	2
1868	1
1870	1
1871	1
1873	1
1875	1
1878	1
1881	3
1884	2
1886	1
1887	1
1888	1
1889	1
1890	1
1891	4
1892	4
1893	3
1894	3
1895	1
1896	3
1897	7
1898	12
1899	4
1900	8
1901	3
1902	3
1903	6
1904	9
1905	5
1906	15
1907	9
1908	9
1909	51
1910	16
1911	44
1912	47
1913	76
1914	21
1915	61
1916	37
1917	46
1918	210
1919	49
1920	289
1921	36
1922	70
1923	73
1924	143
1925	307
1926	142
1927	391
1928	220
1929	127
1930	570
1931	399
1932	194
1933	250
1934	654
1935	587
1936	519
1937	351
1938	379
1939	480
1940	455
1941	372
1942	527
1943	366
1944	647
1945	365
1946	307
1947	544
1948	440
1949	715
1950	407
1951	405
1952	317
1953	363
1954	377
1955	433
1956	278
1957	347
1958	417
1959	453
1960	459
1961	347
1962	636
1963	500
1964	755
1965	632
1966	568
1967	457
1968	1,037
1969	527
1970	751
1971	543
1972	1,089
1973	547
1974	660
1975	790
1976	883
1977	453
1978	784
1979	630
1980	945
1981	941
1982	935
1983	839
1984	683
1985	714
1986	509
1987	927
1988	625
1989	2,082
1990	799
1991	988
1992	1,699
1993	702
1994	1,097
1995	1,417
1996	864
1997	1,446
1998	969
1999	1,370
2000	1,237
2001	1,485
2002	1,167
2003	1,344
2004	941
2005	1,001
2006	828
2007	1,687
2008	667
2009	1,028
2010	1,393
2011	1,177
2012	843
2013	761
2014	531
2015	595
2016	634
2017	773
2018	972
2019	717
2020	643
2021	523
2022	793
2023	820
2024	952
2025	799
2026	1,019

Download the Data

Data for records on 1987-08-09: 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	645
20 to 40	30
40 to 60	6
60 to 80	2
80 to 100	1