Weather Records on 9 August 1986

509 weather records were set or tied worldwide on 9 August 1986. Highest significance: Kanab, US.

Key Facts for 9 August 1986

On 9 August 1986, 509 weather records were set or tied at long-record stations worldwide.
137 were record highs and 162 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 12 monthly and 495 daily.
Kanab set a daily record precipitation of 33.3 mm (1.3 in) on 9 August 1986.
Across 156 earlier years (1798 to 2026) the same calendar date averaged 474 records.

Record Map

509 stations

509 station records on 9 August 1986 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 9 August 1986: highest significance records shown on the map
Station	Country	Type	Value	Significance
Kanab	United States	Record daily precipitation	33.3 mm (1.3 in)	65 of 100 (Major)
Shirley	United States	Record daily precipitation	109.5 mm (4.3 in)	58 of 100 (Notable)
Nimrod Dam	United States	Record daily precipitation	81.3 mm (3.2 in)	50 of 100 (Notable)
Borger	United States	Record daily precipitation	57.7 mm (2.3 in)	50 of 100 (Notable)
Port Macquarie (Bellevue Garde	Australia	Record daily precipitation	37.8 mm (1.5 in)	49 of 100 (Notable)
Troy L&D	United States	Record daily precipitation	68.8 mm (2.7 in)	49 of 100 (Notable)
West Milton	United States	Record daily precipitation	66.3 mm (2.6 in)	49 of 100 (Notable)
Clinton	United States	Record daily precipitation	127.3 mm (5.0 in)	49 of 100 (Notable)
Harrington (Oxley Anchorage Ca	Australia	Record daily precipitation	25.8 mm (1.0 in)	46 of 100 (Notable)
Moorland (Denro-An)	Australia	Record daily precipitation	30.0 mm (1.2 in)	46 of 100 (Notable)
Tak	Thailand	Record daily precipitation	53.1 mm (2.1 in)	45 of 100 (Notable)
Orje	Norway	Record daily precipitation	29.6 mm (1.2 in)	44 of 100 (Notable)
Harrisburg 12WNW	United States	Record daily precipitation	32.8 mm (1.3 in)	44 of 100 (Notable)
Nizhni Sirohozy	Ukraine	Record daily precipitation	41.4 mm (1.6 in)	41 of 100 (Notable)
University	United States	Record daily precipitation	47.8 mm (1.9 in)	41 of 100 (Notable)
Clinton	United States	Record daily precipitation	86.4 mm (3.4 in)	39 of 100 (Notable)
Hammon 3 SSW	United States	Record daily precipitation	66.0 mm (2.6 in)	39 of 100 (Notable)
Watonga	United States	Record daily precipitation	49.3 mm (1.9 in)	39 of 100 (Notable)
Wauchope (Avondale Street)	Australia	Record daily precipitation	25.0 mm (1.0 in)	37 of 100 (Notable)
Kamen-Na-Obi	Russia	Record daily precipitation	34.5 mm (1.4 in)	37 of 100 (Notable)
Danville	United States	Record daily precipitation	87.1 mm (3.4 in)	37 of 100 (Notable)
Barnsdall	United States	Record daily precipitation	48.3 mm (1.9 in)	35 of 100 (Notable)
Georgetown Post Office	Australia	Record low minimum temperature	1.0 C (33.8 F)	34 of 100 (Routine)
Baranovichi	Belarus	Record daily precipitation	31.0 mm (1.2 in)	34 of 100 (Routine)
San Cristobal	Mexico	Record low minimum temperature	12.2 C (54.0 F)	34 of 100 (Routine)
Blair	United States	Record low maximum temperature	20.0 C (68.0 F)	34 of 100 (Routine)
Pojarkovo	Russia	Record daily precipitation	88.9 mm (3.5 in)	33 of 100 (Routine)
Newport	United States	Record low maximum temperature	26.1 C (79.0 F)	33 of 100 (Routine)
Santa Rosa	United States	Record low maximum temperature	20.6 C (69.1 F)	33 of 100 (Routine)
Colton 2 N	United States	Record daily precipitation	57.7 mm (2.3 in)	33 of 100 (Routine)
Evanston 1 E	United States	Record high minimum temperature	15.0 C (59.0 F)	33 of 100 (Routine)
Crescent City	United States	Record high maximum temperature	37.8 C (100.0 F)	32 of 100 (Routine)
Tahoka	United States	Record daily precipitation	25.4 mm (1.0 in)	32 of 100 (Routine)
La Estanzuela (Eele)	Uruguay	Record daily precipitation	72.0 mm (2.8 in)	32 of 100 (Routine)
La Huerta	Mexico	Record high minimum temperature	27.8 C (82.0 F)	31 of 100 (Routine)
Kislokan	Russia	Record daily precipitation	30.3 mm (1.2 in)	31 of 100 (Routine)
Hjalta_Kraftverk	Sweden	Record daily precipitation	27.8 mm (1.1 in)	31 of 100 (Routine)
Leeds	United States	Record daily precipitation	50.0 mm (2.0 in)	31 of 100 (Routine)
Crescent City	United States	Record high minimum temperature	28.3 C (82.9 F)	31 of 100 (Routine)
Abbeville	United States	Record daily precipitation	50.3 mm (2.0 in)	31 of 100 (Routine)
Pawnee City	United States	Record low maximum temperature	21.1 C (70.0 F)	31 of 100 (Routine)
Lijing	China	Record low minimum temperature	9.9 C (49.8 F)	30 of 100 (Routine)
Santo Domingo	Mexico	Record low minimum temperature	10.0 C (50.0 F)	30 of 100 (Routine)
Rinconada	Mexico	Record high maximum temperature	37.8 C (100.0 F)	30 of 100 (Routine)
Rize	Turkey	Record high minimum temperature	24.3 C (75.7 F)	30 of 100 (Routine)
Trousdale 1 NE	United States	Record daily precipitation	45.7 mm (1.8 in)	30 of 100 (Routine)
Brownsville	United States	Record low maximum temperature	25.6 C (78.1 F)	30 of 100 (Routine)
Turkestan	Kazakhstan	Record low minimum temperature	7.8 C (46.0 F)	29 of 100 (Routine)
Huauchinango	Mexico	Record low maximum temperature	18.9 C (66.0 F)	29 of 100 (Routine)
Bakerstown 3 WNW	United States	Record daily precipitation	50.3 mm (2.0 in)	29 of 100 (Routine)
Crescent Head	Australia	Record daily precipitation	36.8 mm (1.4 in)	28 of 100 (Routine)
Imuris (Smn)	Mexico	Record low minimum temperature	13.9 C (57.0 F)	28 of 100 (Routine)
Minatitlan	Mexico	Record daily precipitation	96.8 mm (3.8 in)	28 of 100 (Routine)
Ica	Russia	Record low minimum temperature	3.9 C (39.0 F)	28 of 100 (Routine)
Imperial	United States	Record daily precipitation	33.0 mm (1.3 in)	28 of 100 (Routine)
Wauneta	United States	Record daily precipitation	45.0 mm (1.8 in)	28 of 100 (Routine)
Bowbells	United States	Record low minimum temperature	3.9 C (39.0 F)	28 of 100 (Routine)
Hannam Vale (Hannam Vale Road)	Australia	Record daily precipitation	37.0 mm (1.5 in)	27 of 100 (Routine)
Taree (Radio Station 2Re)	Australia	Record daily precipitation	32.0 mm (1.3 in)	27 of 100 (Routine)
Santa Gertrudis	Mexico	Record low maximum temperature	25.0 C (77.0 F)	27 of 100 (Routine)

Counts by Type and Timescale

509 records

Records set or tied on 9 August 1986 by type: Highest daily maximum 69, Lowest daily maximum 71, Highest daily minimum 68, Lowest daily minimum 91, Heaviest daily rainfall 210.

Records on 9 August 1986 by type
Record type	Records
Highest daily maximum	69
Lowest daily maximum	71
Highest daily minimum	68
Lowest daily minimum	91
Heaviest daily rainfall	210
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 9 August 1986 by timescale: all-time 2, monthly 12, daily 495.

How Much Records Were Beaten By

382 broken records

Margins by which the 382 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 100.1. Ties are not counted.

Top 20 by Significance

9 August 1986

Top 20 records on 9 August 1986 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
9 August 1986	Kanab, US	daily rain	33.3 mm (1.3 in)	20.6 mm (0.8 in)	83 years	65 of 100 (Major)
9 August 1986	Shirley, US	daily rain	109.5 mm (4.3 in)	78.0 mm (3.1 in)	47 years	58 of 100 (Notable)
9 August 1986	Nimrod Dam, US	daily rain	81.3 mm (3.2 in)	64.5 mm (2.5 in)	20 years	50 of 100 (Notable)
9 August 1986	Borger, US	daily rain	57.7 mm (2.3 in)	46.3 mm (1.8 in)	25 years	50 of 100 (Notable)
9 August 1986	Port Macquarie (Bellevue Garde, AU	daily rain	37.8 mm (1.5 in)	16.2 mm (0.6 in)	111 years	49 of 100 (Notable)
9 August 1986	Troy L&D, US	daily rain	68.8 mm (2.7 in)	41.6 mm (1.6 in)	20 years	49 of 100 (Notable)
9 August 1986	West Milton, US	daily rain	66.3 mm (2.6 in)	61.2 mm (2.4 in)	20 years	49 of 100 (Notable)
9 August 1986	Clinton, US	daily rain	127.3 mm (5.0 in)	100.1 mm (3.9 in)	15 years	49 of 100 (Notable)
9 August 1986	Harrington (Oxley Anchorage Ca, AU	daily rain	25.8 mm (1.0 in)	15.6 mm (0.6 in)	88 years	46 of 100 (Notable)
9 August 1986	Moorland (Denro-An), AU	daily rain	30.0 mm (1.2 in)	19.6 mm (0.8 in)	88 years	46 of 100 (Notable)
9 August 1986	Tak, TH	daily rain	53.1 mm (2.1 in)	33.1 mm (1.3 in)	32 years	45 of 100 (Notable)
9 August 1986	Orje, NO	daily rain	29.6 mm (1.2 in)	8.1 mm (0.32 in)	84 years	44 of 100 (Notable)
9 August 1986	Harrisburg 12WNW, US	daily rain	32.8 mm (1.3 in)	12.2 mm (0.5 in)	75 years	44 of 100 (Notable)
9 August 1986	Nizhni Sirohozy, UA	daily rain	41.4 mm (1.6 in)	31.8 mm (1.3 in)	3 years	41 of 100 (Notable)
9 August 1986	University, US	daily rain	47.8 mm (1.9 in)	11.0 mm (0.4 in)	80 years	41 of 100 (Notable)
9 August 1986	Clinton, US	daily rain	86.4 mm (3.4 in)	35.1 mm (1.4 in)	47 years	39 of 100 (Notable)
9 August 1986	Hammon 3 SSW, US	daily rain	66.0 mm (2.6 in)	28.2 mm (1.1 in)	59 years	39 of 100 (Notable)
9 August 1986	Watonga, US	daily rain	49.3 mm (1.9 in)	23.4 mm (0.9 in)	44 years	39 of 100 (Notable)
9 August 1986	Wauchope (Avondale Street), AU	daily rain	25.0 mm (1.0 in)	15.3 mm (0.6 in)	72 years	37 of 100 (Notable)
9 August 1986	Kamen-Na-Obi, RU	daily rain	34.5 mm (1.4 in)	17.8 mm (0.7 in)	12 years	37 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 1986

Records set or tied on this calendar date in each year from 1798 to 1986. 1986 had 509 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 1986-08-09: 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	352
20 to 40	24
40 to 60	2
60 to 80	3
80 to 100	0
100 to 120	1