Weather Records on 1 August 1986

846 weather records were set or tied worldwide on 1 August 1986. Highest significance: Mullen 3S, US.

Key Facts for 1 August 1986

On 1 August 1986, 846 weather records were set or tied at long-record stations worldwide.
503 were record highs and 164 were record lows, counting maximum and minimum temperature.
By timescale, 6 were all-time records, 52 monthly and 788 daily.
Mullen 3S set a daily record precipitation of 63.0 mm (2.5 in) on 1 August 1986.
Across 164 earlier years (1797 to 2026) the same calendar date averaged 439 records.

Record Map

846 stations

846 station records on 1 August 1986 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 1 August 1986: highest significance records shown on the map
Station	Country	Type	Value	Significance
Mullen 3S	United States	Record daily precipitation	63.0 mm (2.5 in)	63 of 100 (Major)
Tabou	Cote D'Ivoire	Record daily precipitation	99.1 mm (3.9 in)	51 of 100 (Notable)
Bendering	Australia	Record daily precipitation	29.0 mm (1.1 in)	50 of 100 (Notable)
Meleuz	Russia	Record daily precipitation	44.2 mm (1.7 in)	50 of 100 (Notable)
Grover Hill	United States	Record daily precipitation	62.7 mm (2.5 in)	50 of 100 (Notable)
Grand Coteau	United States	Record high minimum temperature	28.9 C (84.0 F)	45 of 100 (Notable)
Norman 3SSE	United States	Record daily precipitation	45.2 mm (1.8 in)	45 of 100 (Notable)
Unalakleet Fld	United States	Record daily precipitation	33.0 mm (1.3 in)	45 of 100 (Notable)
Torreoes	Brazil	Record daily precipitation	25.0 mm (1.0 in)	44 of 100 (Notable)
Troitskoe	Russia	Record daily precipitation	30.4 mm (1.2 in)	44 of 100 (Notable)
Bulyee	Australia	Record daily precipitation	29.0 mm (1.1 in)	43 of 100 (Notable)
Babuskin	Russia	Record high maximum temperature	29.5 C (85.1 F)	43 of 100 (Notable)
Covington 8 WNW	United States	Record high minimum temperature	25.6 C (78.1 F)	42 of 100 (Notable)
Van Wert 1 S	United States	Record daily precipitation	42.7 mm (1.7 in)	42 of 100 (Notable)
El Chiflon	Mexico	Record low minimum temperature	16.7 C (62.1 F)	40 of 100 (Notable)
Booneville	United States	Record high maximum temperature	40.6 C (105.1 F)	40 of 100 (Notable)
Highland Home	United States	Record high maximum temperature	37.8 C (100.0 F)	39 of 100 (Notable)
Livingston	United States	Record high minimum temperature	26.1 C (79.0 F)	39 of 100 (Notable)
Des Arc	United States	Record high maximum temperature	42.8 C (109.0 F)	39 of 100 (Notable)
Mt Ida 3 SE	United States	Record high maximum temperature	42.8 C (109.0 F)	39 of 100 (Notable)
Julesburg	United States	Record low maximum temperature	18.3 C (64.9 F)	39 of 100 (Notable)
Amite	United States	Record high minimum temperature	25.0 C (77.0 F)	38 of 100 (Notable)
Beaufort Wwtp	United States	Record high minimum temperature	26.7 C (80.1 F)	38 of 100 (Notable)
Albany	United States	Record high minimum temperature	30.0 C (86.0 F)	38 of 100 (Notable)
Sarlyk	Russia	Record daily precipitation	32.6 mm (1.3 in)	37 of 100 (Notable)
Atakpane	Togo	Record high maximum temperature	33.7 C (92.7 F)	37 of 100 (Notable)
Lamar	United States	Record daily precipitation	55.4 mm (2.2 in)	37 of 100 (Notable)
Grand Coteau	United States	Record high maximum temperature	38.3 C (100.9 F)	37 of 100 (Notable)
Hawkinsville	United States	Record high maximum temperature	40.6 C (105.1 F)	36 of 100 (Notable)
Reserve	United States	Record high minimum temperature	26.1 C (79.0 F)	36 of 100 (Notable)
Batesville	United States	Record high maximum temperature	39.4 C (102.9 F)	36 of 100 (Notable)
Ripley	United States	Record high minimum temperature	23.9 C (75.0 F)	36 of 100 (Notable)
Salem AP (McNary Field)	United States	Record high maximum temperature	36.1 C (97.0 F)	36 of 100 (Notable)
Booralee	Australia	Record daily precipitation	26.0 mm (1.0 in)	35 of 100 (Notable)
Quitman 2 NW	United States	Record high minimum temperature	24.4 C (75.9 F)	35 of 100 (Notable)
Toccoa	United States	Record low minimum temperature	11.7 C (53.1 F)	35 of 100 (Notable)
Toms River	United States	Record low maximum temperature	22.8 C (73.0 F)	35 of 100 (Notable)
Gilman	United States	Record daily precipitation	50.3 mm (2.0 in)	35 of 100 (Notable)
Albany 3 SE	United States	Record high maximum temperature	39.4 C (102.9 F)	34 of 100 (Routine)
Framingham	United States	Record low maximum temperature	18.9 C (66.0 F)	34 of 100 (Routine)
Laurel	United States	Record high maximum temperature	38.3 C (100.9 F)	34 of 100 (Routine)
Big Moose 3 SE	United States	Record daily precipitation	71.9 mm (2.8 in)	34 of 100 (Routine)
Rio da Cidade	Brazil	Record daily precipitation	25.0 mm (1.0 in)	33 of 100 (Routine)
Presa Colorines (Cfe)	Mexico	Record low minimum temperature	10.6 C (51.1 F)	33 of 100 (Routine)
Anna	Russia	Record daily precipitation	48.3 mm (1.9 in)	33 of 100 (Routine)
Adairsville	United States	Record daily precipitation	32.3 mm (1.3 in)	33 of 100 (Routine)
Gardiner	United States	Record low maximum temperature	17.2 C (63.0 F)	33 of 100 (Routine)
Rushville	United States	Record daily precipitation	25.4 mm (1.0 in)	33 of 100 (Routine)
Aiken 5SE	United States	Record high maximum temperature	38.3 C (100.9 F)	33 of 100 (Routine)
Paris	United States	Record high maximum temperature	43.3 C (109.9 F)	33 of 100 (Routine)
Saint Leo	United States	Record high minimum temperature	25.0 C (77.0 F)	32 of 100 (Routine)
Carters 1 WSW	United States	Record daily precipitation	55.6 mm (2.2 in)	32 of 100 (Routine)
Jewell	United States	Record daily precipitation	33.0 mm (1.3 in)	32 of 100 (Routine)
Millinocket	United States	Record low maximum temperature	15.6 C (60.1 F)	32 of 100 (Routine)
Lake Placid 2 S	United States	Record daily precipitation	31.5 mm (1.2 in)	32 of 100 (Routine)
Mexia	United States	Record high maximum temperature	42.2 C (108.0 F)	32 of 100 (Routine)
Bukoba	Tanzania	Record daily precipitation	47.0 mm (1.9 in)	31 of 100 (Routine)
Nashville	United States	Record high maximum temperature	41.1 C (106.0 F)	31 of 100 (Routine)
Live Oak	United States	Record high maximum temperature	37.8 C (100.0 F)	31 of 100 (Routine)
Yemassee 1 N	United States	Record high minimum temperature	25.0 C (77.0 F)	31 of 100 (Routine)

Counts by Type and Timescale

846 records

Records set or tied on 1 August 1986 by type: Highest daily maximum 341, Lowest daily maximum 66, Highest daily minimum 162, Lowest daily minimum 98, Heaviest daily rainfall 179.

Records on 1 August 1986 by type
Record type	Records
Highest daily maximum	341
Lowest daily maximum	66
Highest daily minimum	162
Lowest daily minimum	98
Heaviest daily rainfall	179
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 1 August 1986 by timescale: all-time 6, monthly 52, daily 788.

How Much Records Were Beaten By

569 broken records

Margins by which the 569 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 59.7. Ties are not counted.

Top 20 by Significance

1 August 1986

Top 20 records on 1 August 1986 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
1 August 1986	Mullen 3S, US	daily rain	63.0 mm (2.5 in)	31.2 mm (1.2 in)	87 years	63 of 100 (Major)
1 August 1986	Tabou, CI	daily rain	99.1 mm (3.9 in)	59.7 mm (2.4 in)	24 years	51 of 100 (Notable)
1 August 1986	Bendering, AU	daily rain	29.0 mm (1.1 in)	24.4 mm (1.0 in)	16 years	50 of 100 (Notable)
1 August 1986	Meleuz, RU	daily rain	44.2 mm (1.7 in)	30.8 mm (1.2 in)	19 years	50 of 100 (Notable)
1 August 1986	Grover Hill, US	daily rain	62.7 mm (2.5 in)	44.9 mm (1.8 in)	28 years	50 of 100 (Notable)
1 August 1986	Grand Coteau, US	monthly high min	28.9 C (84.0 F)	0.6 C (1.1 F)	76 years	45 of 100 (Notable)
1 August 1986	Norman 3SSE, US	daily rain	45.2 mm (1.8 in)	21.3 mm (0.8 in)	81 years	45 of 100 (Notable)
1 August 1986	Unalakleet Fld, US	daily rain	33.0 mm (1.3 in)	21.6 mm (0.9 in)	20 years	45 of 100 (Notable)
1 August 1986	Torreoes, BR	daily rain	25.0 mm (1.0 in)	21.8 mm (0.9 in)	29 years	44 of 100 (Notable)
1 August 1986	Troitskoe, RU	daily rain	30.4 mm (1.2 in)	18.0 mm (0.7 in)	41 years	44 of 100 (Notable)
1 August 1986	Bulyee, AU	daily rain	29.0 mm (1.1 in)	11.7 mm (0.5 in)	49 years	43 of 100 (Notable)
1 August 1986	Babuskin, RU	daily high max	29.5 C (85.1 F)	3.0 C (5.4 F)	88 years	43 of 100 (Notable)
1 August 1986	Covington 8 WNW, US	daily high min	25.6 C (78.1 F)	1.2 C (2.2 F)	88 years	42 of 100 (Notable)
1 August 1986	Van Wert 1 S, US	daily rain	42.7 mm (1.7 in)	7.9 mm (0.31 in)	88 years	42 of 100 (Notable)
1 August 1986	El Chiflon, MX	daily low min	16.7 C (62.1 F)	3.3 C (5.9 F)	31 years	40 of 100 (Notable)
1 August 1986	Booneville, US	daily high max	40.6 C (105.1 F)	1.7 C (3.1 F)	88 years	40 of 100 (Notable)
1 August 1986	Highland Home, US	daily high max	37.8 C (100.0 F)	1.1 C (2.0 F)	88 years	39 of 100 (Notable)
1 August 1986	Livingston, US	daily high min	26.1 C (79.0 F)	2.2 C (4.0 F)	68 years	39 of 100 (Notable)
1 August 1986	Des Arc, US	all-time high max	42.8 C (109.0 F)	0.6 C (1.1 F)	34 years	39 of 100 (Notable)
1 August 1986	Mt Ida 3 SE, US	daily high max	42.8 C (109.0 F)	3.4 C (6.1 F)	69 years	39 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

1797 to 1986

Records set or tied on this calendar date in each year from 1797 to 1986. 1986 had 846 records.

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

Records on 08-01 in each year
Year	Records
1797	1
1816	2
1829	1
1833	1
1834	2
1836	1
1838	1
1842	1
1851	1
1856	1
1858	3
1859	1
1861	1
1862	1
1863	1
1865	1
1868	1
1869	2
1873	1
1874	1
1875	3
1876	1
1878	1
1879	1
1881	3
1883	1
1886	2
1887	1
1890	1
1891	7
1892	4
1893	3
1894	1
1895	3
1896	4
1897	2
1898	3
1899	1
1900	1
1901	3
1902	5
1903	19
1904	10
1905	12
1906	18
1907	13
1908	18
1909	15
1910	30
1911	46
1912	49
1913	25
1914	17
1915	49
1916	16
1917	108
1918	55
1919	32
1920	101
1921	87
1922	44
1923	203
1924	93
1925	281
1926	252
1927	266
1928	132
1929	161
1930	252
1931	362
1932	408
1933	487
1934	448
1935	547
1936	636
1937	492
1938	523
1939	335
1940	333
1941	341
1942	388
1943	398
1944	410
1945	975
1946	336
1947	401
1948	354
1949	324
1950	552
1951	420
1952	391
1953	565
1954	462
1955	796
1956	441
1957	270
1958	389
1959	352
1960	677
1961	404
1962	602
1963	270
1964	883
1965	669
1966	383
1967	250
1968	625
1969	453
1970	482
1971	1,135
1972	609
1973	766
1974	526
1975	915
1976	886
1977	636
1978	706
1979	580
1980	906
1981	668
1982	742
1983	931
1984	532
1985	987
1986	846
1987	999
1988	880
1989	1,301
1990	927
1991	740
1992	1,024
1993	907
1994	1,217
1995	1,513
1996	1,118
1997	904
1998	1,281
1999	1,707
2000	1,020
2001	1,079
2002	1,249
2003	1,155
2004	740
2005	878
2006	1,655
2007	746
2008	795
2009	932
2010	1,182
2011	1,191
2012	850
2013	542
2014	853
2015	864
2016	499
2017	758
2018	987
2019	479
2020	838
2021	1,009
2022	915
2023	627
2024	879
2025	785
2026	1,085

Download the Data

Data for records on 1986-08-01: 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	520
10 to 20	29
20 to 30	15
30 to 40	3
40 to 50	1
50 to 60	1