Weather Records on 10 August 1986

535 weather records were set or tied worldwide on 10 August 1986. Highest significance: Checotah, US.

Key Facts for 10 August 1986

On 10 August 1986, 535 weather records were set or tied at long-record stations worldwide.
181 were record highs and 163 were record lows, counting maximum and minimum temperature.
By timescale, 3 were all-time records, 10 monthly and 522 daily.
Checotah set a monthly record daily precipitation of 142.2 mm (5.6 in) on 10 August 1986.
Across 160 earlier years (1814 to 2026) the same calendar date averaged 468 records.

Record Map

535 stations

535 station records on 10 August 1986 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 10 August 1986: highest significance records shown on the map
Station	Country	Type	Value	Significance
Checotah	United States	Record daily precipitation	142.2 mm (5.6 in)	50 of 100 (Notable)
Vandalia	United States	Record daily precipitation	43.4 mm (1.7 in)	47 of 100 (Notable)
The Cedars	Australia	Record daily precipitation	25.5 mm (1.0 in)	43 of 100 (Notable)
Ft Davis	United States	Record daily precipitation	76.5 mm (3.0 in)	43 of 100 (Notable)
Ft Bidwell	United States	Record high maximum temperature	36.1 C (97.0 F)	42 of 100 (Notable)
Salvatierra	Mexico	Record low maximum temperature	17.8 C (64.0 F)	40 of 100 (Notable)
Arhangelsk	Russia	Record low minimum temperature	0.9 C (33.6 F)	40 of 100 (Notable)
Crescent City	United States	Record high minimum temperature	26.1 C (79.0 F)	39 of 100 (Notable)
Dillingham FAA AP	United States	Record daily precipitation	33.3 mm (1.3 in)	39 of 100 (Notable)
Fredonia	United States	Record daily precipitation	91.4 mm (3.6 in)	38 of 100 (Notable)
Carville 2 SW	United States	Record daily precipitation	66.8 mm (2.6 in)	38 of 100 (Notable)
Perry	United States	Record low minimum temperature	15.0 C (59.0 F)	36 of 100 (Notable)
Redwood Falls Muni AP	United States	Record low maximum temperature	18.3 C (64.9 F)	36 of 100 (Notable)
Robertsfors	Sweden	Record daily precipitation	44.5 mm (1.8 in)	35 of 100 (Notable)
Mc Farland	United States	Record daily precipitation	69.6 mm (2.7 in)	35 of 100 (Notable)
Baton Rouge Metro AP	United States	Record daily precipitation	67.1 mm (2.6 in)	35 of 100 (Notable)
Falkoping	Sweden	Record daily precipitation	32.2 mm (1.3 in)	34 of 100 (Routine)
Chardzhev	Turkmenistan	Record low minimum temperature	12.8 C (55.0 F)	34 of 100 (Routine)
Webbers Falls 5 WSW	United States	Record daily precipitation	100.1 mm (3.9 in)	33 of 100 (Routine)
El Sitio	Mexico	Record daily precipitation	45.0 mm (1.8 in)	32 of 100 (Routine)
Geyser Rch	United States	Record high maximum temperature	35.6 C (96.1 F)	32 of 100 (Routine)
Oxnard	United States	Record low maximum temperature	19.4 C (66.9 F)	31 of 100 (Routine)
Anna 4 N	United States	Record daily precipitation	77.2 mm (3.0 in)	31 of 100 (Routine)
Tbilisi	Georgia	Record high minimum temperature	23.5 C (74.3 F)	30 of 100 (Routine)
Henichesk	Ukraine	Record high maximum temperature	33.3 C (91.9 F)	30 of 100 (Routine)
Springer	United States	Record daily precipitation	26.4 mm (1.0 in)	30 of 100 (Routine)
Ruoqiang	China	Record high minimum temperature	30.4 C (86.7 F)	29 of 100 (Routine)
Santo Domingo	Mexico	Record low minimum temperature	10.0 C (50.0 F)	29 of 100 (Routine)
Rinconada	Mexico	Record low minimum temperature	12.8 C (55.0 F)	29 of 100 (Routine)
Olenek	Russia	Record daily precipitation	31.5 mm (1.2 in)	29 of 100 (Routine)
Greenville 6 N	United States	Record daily precipitation	53.1 mm (2.1 in)	29 of 100 (Routine)
Taloga	United States	Record daily precipitation	58.4 mm (2.3 in)	29 of 100 (Routine)
Tortosa - Observatorio del Ebr	Spain	Record high minimum temperature	23.1 C (73.6 F)	28 of 100 (Routine)
Maxwell 3 NW	United States	Record daily precipitation	39.1 mm (1.5 in)	28 of 100 (Routine)
Okemah	United States	Record daily precipitation	63.0 mm (2.5 in)	28 of 100 (Routine)
Moro	United States	Record high minimum temperature	21.7 C (71.1 F)	28 of 100 (Routine)
Gregory	United States	Record low maximum temperature	21.1 C (70.0 F)	28 of 100 (Routine)
Golmud	China	Record high minimum temperature	20.2 C (68.4 F)	27 of 100 (Routine)
Sallisaw 2 NW	United States	Record daily precipitation	83.6 mm (3.3 in)	27 of 100 (Routine)
Meridian Key Fld	United States	Record daily precipitation	54.1 mm (2.1 in)	27 of 100 (Routine)
Zeitz	Germany	Record daily precipitation	27.2 mm (1.1 in)	26 of 100 (Routine)
Santa Maria de Los Angeles	Mexico	Record low minimum temperature	7.8 C (46.0 F)	26 of 100 (Routine)
Qiemo/Qarqan	China	Record high minimum temperature	26.3 C (79.3 F)	25 of 100 (Routine)
Da-Qaidam	China	Record high minimum temperature	19.4 C (66.9 F)	25 of 100 (Routine)
Rize	Turkey	Record high minimum temperature	23.7 C (74.7 F)	25 of 100 (Routine)
Ozark	United States	Record low maximum temperature	23.9 C (75.0 F)	25 of 100 (Routine)
Mankato	United States	Record daily precipitation	31.2 mm (1.2 in)	25 of 100 (Routine)
Steubenville	United States	Record daily precipitation	45.7 mm (1.8 in)	25 of 100 (Routine)
Stillwater 2 W	United States	Record daily precipitation	57.2 mm (2.3 in)	25 of 100 (Routine)
Baise	China	Record low minimum temperature	21.8 C (71.2 F)	24 of 100 (Routine)
Cuitzeo	Mexico	Record daily precipitation	42.9 mm (1.7 in)	24 of 100 (Routine)
Nakhon Sawan	Thailand	Record daily precipitation	64.0 mm (2.5 in)	24 of 100 (Routine)
Brewton 3 SSE	United States	Record low maximum temperature	24.4 C (75.9 F)	24 of 100 (Routine)
Artichoke Lake 1 E	United States	Record low maximum temperature	17.2 C (63.0 F)	24 of 100 (Routine)
Rocksprings	United States	Record high minimum temperature	22.2 C (72.0 F)	24 of 100 (Routine)
Philip AP	United States	Record low minimum temperature	5.6 C (42.1 F)	24 of 100 (Routine)
Ramos Arizpe (Smn)	Mexico	Record high maximum temperature	35.6 C (96.1 F)	23 of 100 (Routine)
Nochistlan	Mexico	Record high minimum temperature	17.8 C (64.0 F)	23 of 100 (Routine)
Young America 1SW	United States	Record daily precipitation	32.8 mm (1.3 in)	23 of 100 (Routine)
New Albany	United States	Record daily precipitation	31.8 mm (1.3 in)	23 of 100 (Routine)

Counts by Type and Timescale

535 records

Records set or tied on 10 August 1986 by type: Highest daily maximum 77, Lowest daily maximum 87, Highest daily minimum 104, Lowest daily minimum 76, Heaviest daily rainfall 191.

Records on 10 August 1986 by type
Record type	Records
Highest daily maximum	77
Lowest daily maximum	87
Highest daily minimum	104
Lowest daily minimum	76
Heaviest daily rainfall	191
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 10 August 1986 by timescale: all-time 3, monthly 10, daily 522.

How Much Records Were Beaten By

377 broken records

Margins by which the 377 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 51.8. Ties are not counted.

Top 20 by Significance

10 August 1986

Top 20 records on 10 August 1986 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
10 August 1986	Checotah, US	monthly rain	142.2 mm (5.6 in)	51.8 mm (2.0 in)	17 years	50 of 100 (Notable)
10 August 1986	Vandalia, US	daily rain	43.4 mm (1.7 in)	39.6 mm (1.6 in)	45 years	47 of 100 (Notable)
10 August 1986	The Cedars, AU	daily rain	25.5 mm (1.0 in)	14.6 mm (0.6 in)	72 years	43 of 100 (Notable)
10 August 1986	Ft Davis, US	daily rain	76.5 mm (3.0 in)	40.4 mm (1.6 in)	4 years	43 of 100 (Notable)
10 August 1986	Ft Bidwell, US	daily high max	36.1 C (97.0 F)	1.1 C (2.0 F)	106 years	42 of 100 (Notable)
10 August 1986	Salvatierra, MX	monthly low max	17.8 C (64.0 F)	2.2 C (4.0 F)	41 years	40 of 100 (Notable)
10 August 1986	Arhangelsk, RU	daily low min	0.9 C (33.6 F)	1.6 C (2.9 F)	89 years	40 of 100 (Notable)
10 August 1986	Crescent City, US	daily high min	26.1 C (79.0 F)	1.7 C (3.1 F)	56 years	39 of 100 (Notable)
10 August 1986	Dillingham FAA AP, US	daily rain	33.3 mm (1.3 in)	16.3 mm (0.6 in)	28 years	39 of 100 (Notable)
10 August 1986	Fredonia, US	daily rain	91.4 mm (3.6 in)	38.8 mm (1.5 in)	20 years	38 of 100 (Notable)
10 August 1986	Carville 2 SW, US	daily rain	66.8 mm (2.6 in)	31.7 mm (1.2 in)	45 years	38 of 100 (Notable)
10 August 1986	Perry, US	daily low min	15.0 C (59.0 F)	1.1 C (2.0 F)	83 years	36 of 100 (Notable)
10 August 1986	Redwood Falls Muni AP, US	daily low max	18.3 C (64.9 F)	2.8 C (5.0 F)	75 years	36 of 100 (Notable)
10 August 1986	Robertsfors, SE	daily rain	44.5 mm (1.8 in)	26.5 mm (1.0 in)	12 years	35 of 100 (Notable)
10 August 1986	Mc Farland, US	daily rain	69.6 mm (2.7 in)	18.8 mm (0.7 in)	64 years	35 of 100 (Notable)
10 August 1986	Baton Rouge Metro AP, US	daily rain	67.1 mm (2.6 in)	26.5 mm (1.0 in)	45 years	35 of 100 (Notable)
10 August 1986	Falkoping, SE	daily rain	32.2 mm (1.3 in)	17.4 mm (0.7 in)	19 years	34 of 100 (Routine)
10 August 1986	Chardzhev, TM	daily low min	12.8 C (55.0 F)	2.5 C (4.5 F)	55 years	34 of 100 (Routine)
10 August 1986	Webbers Falls 5 WSW, US	monthly rain	100.1 mm (3.9 in)	2.3 mm (0.09 in)	47 years	33 of 100 (Routine)
10 August 1986	El Sitio, MX	daily rain	45.0 mm (1.8 in)	31.0 mm (1.2 in)	1 year	32 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

1814 to 1986

Records set or tied on this calendar date in each year from 1814 to 1986. 1986 had 535 records.

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

Records on 08-10 in each year
Year	Records
1814	1
1815	1
1838	1
1845	2
1847	1
1849	1
1852	1
1853	1
1857	2
1859	1
1861	2
1862	2
1863	1
1864	1
1869	2
1871	1
1877	1
1879	4
1881	2
1884	2
1885	1
1886	1
1887	1
1888	1
1890	2
1891	6
1892	1
1893	1
1894	5
1895	1
1896	5
1897	7
1898	4
1899	6
1900	6
1901	5
1902	7
1903	8
1904	12
1905	5
1906	16
1907	9
1908	7
1909	33
1910	10
1911	40
1912	39
1913	44
1914	27
1915	26
1916	88
1917	51
1918	43
1919	51
1920	101
1921	66
1922	78
1923	175
1924	245
1925	430
1926	80
1927	294
1928	160
1929	264
1930	299
1931	424
1932	251
1933	305
1934	662
1935	480
1936	487
1937	399
1938	382
1939	593
1940	386
1941	459
1942	420
1943	304
1944	1,006
1945	360
1946	303
1947	766
1948	339
1949	586
1950	324
1951	425
1952	395
1953	431
1954	372
1955	309
1956	522
1957	322
1958	443
1959	528
1960	470
1961	640
1962	761
1963	479
1964	553
1965	700
1966	1,231
1967	766
1968	784
1969	588
1970	702
1971	760
1972	1,175
1973	597
1974	719
1975	664
1976	855
1977	786
1978	495
1979	700
1980	849
1981	857
1982	1,070
1983	915
1984	956
1985	918
1986	535
1987	896
1988	792
1989	1,291
1990	736
1991	819
1992	1,051
1993	774
1994	1,338
1995	1,119
1996	1,027
1997	1,504
1998	1,112
1999	945
2000	990
2001	1,192
2002	1,080
2003	1,556
2004	976
2005	1,225
2006	980
2007	1,476
2008	871
2009	869
2010	1,704
2011	1,247
2012	995
2013	599
2014	516
2015	583
2016	893
2017	636
2018	1,018
2019	754
2020	816
2021	553
2022	687
2023	782
2024	882
2025	659
2026	1,149

Download the Data

Data for records on 1986-08-10: 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	329
10 to 20	32
20 to 30	9
30 to 40	5
40 to 50	1
50 to 60	1