Weather Records on 7 August 1986

544 weather records were set or tied worldwide on 7 August 1986. Highest significance: Mittagong (Beatrice Street), AU.

Key Facts for 7 August 1986

On 7 August 1986, 544 weather records were set or tied at long-record stations worldwide.
184 were record highs and 149 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 9 monthly and 534 daily.
Mittagong (Beatrice Street) set a daily record precipitation of 61.2 mm (2.4 in) on 7 August 1986.
Across 163 earlier years (1808 to 2026) the same calendar date averaged 470 records.

Record Map

544 stations

544 station records on 7 August 1986 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 7 August 1986: highest significance records shown on the map
Station	Country	Type	Value	Significance
Mittagong (Beatrice Street)	Australia	Record daily precipitation	61.2 mm (2.4 in)	77 of 100 (Major)
Bundanoon Bowling Club	Australia	Record daily precipitation	124.0 mm (4.9 in)	71 of 100 (Major)
Leura Post Office	Australia	Record daily precipitation	82.2 mm (3.2 in)	67 of 100 (Major)
Katoomba (Murri St)	Australia	Record daily precipitation	78.0 mm (3.1 in)	63 of 100 (Major)
Windsor Bowling Club	Australia	Record daily precipitation	40.0 mm (1.6 in)	62 of 100 (Major)
Cornwall	United States	Record daily precipitation	57.4 mm (2.3 in)	53 of 100 (Notable)
Warwick Farm (Liverpool Treatm	Australia	Record daily precipitation	100.0 mm (3.9 in)	51 of 100 (Notable)
Minto Surrey Street	Australia	Record daily precipitation	43.6 mm (1.7 in)	50 of 100 (Notable)
Estancia	Brazil	Record daily precipitation	46.3 mm (1.8 in)	49 of 100 (Notable)
Mtn Dell Dam	United States	Record daily precipitation	31.0 mm (1.2 in)	49 of 100 (Notable)
Port Blair	India	Record daily precipitation	165.1 mm (6.5 in)	48 of 100 (Notable)
Arcadia	United States	Record daily precipitation	33.0 mm (1.3 in)	48 of 100 (Notable)
Hillsdale	United States	Record daily precipitation	40.1 mm (1.6 in)	46 of 100 (Notable)
Wildes Meadow (Longview)	Australia	Record daily precipitation	195.0 mm (7.7 in)	45 of 100 (Notable)
Kangaroo Valley (Main Rd)	Australia	Record daily precipitation	131.0 mm (5.2 in)	44 of 100 (Notable)
Marulan (George St)	Australia	Record daily precipitation	33.0 mm (1.3 in)	43 of 100 (Notable)
Collegeville St John's	United States	Record daily precipitation	50.0 mm (2.0 in)	43 of 100 (Notable)
Neuse 2 NE	United States	Record daily precipitation	89.4 mm (3.5 in)	43 of 100 (Notable)
Berry Masonic Village	Australia	Record daily precipitation	37.2 mm (1.5 in)	42 of 100 (Notable)
Kwajalein	Marshall Islands	Record daily precipitation	84.8 mm (3.3 in)	42 of 100 (Notable)
Clay Ctr	United States	Record daily precipitation	66.0 mm (2.6 in)	42 of 100 (Notable)
Grand Coteau	United States	Record high minimum temperature	27.2 C (81.0 F)	41 of 100 (Notable)
La Plata 1 W	United States	Record daily precipitation	63.2 mm (2.5 in)	41 of 100 (Notable)
Sussex Inlet Bowling Club	Australia	Record daily precipitation	76.0 mm (3.0 in)	40 of 100 (Notable)
Crescent City	United States	Record high minimum temperature	26.7 C (80.1 F)	40 of 100 (Notable)
Miltonvale	United States	Record daily precipitation	57.7 mm (2.3 in)	39 of 100 (Notable)
Rochester	United States	Record daily precipitation	45.2 mm (1.8 in)	39 of 100 (Notable)
Moss Vale (Hoskins Street)	Australia	Record daily precipitation	110.2 mm (4.3 in)	37 of 100 (Notable)
White Hall 1 E	United States	Record low minimum temperature	11.1 C (52.0 F)	37 of 100 (Notable)
Chapman	United States	Record daily precipitation	53.3 mm (2.1 in)	37 of 100 (Notable)
Pontiac	United States	Record low maximum temperature	22.2 C (72.0 F)	36 of 100 (Notable)
Loup City	United States	Record daily precipitation	39.4 mm (1.6 in)	36 of 100 (Notable)
New London	United States	Record daily precipitation	39.4 mm (1.6 in)	35 of 100 (Notable)
Dutch Harbor	United States	Record low minimum temperature	1.7 C (35.1 F)	35 of 100 (Notable)
Tasiilaq	Greenland [Denmark]	Record daily precipitation	29.0 mm (1.1 in)	34 of 100 (Routine)
Mt Carroll	United States	Record low maximum temperature	21.1 C (70.0 F)	34 of 100 (Routine)
Greencastle 1 W	United States	Record low maximum temperature	23.9 C (75.0 F)	34 of 100 (Routine)
Morrisville 6 SW	United States	Record daily precipitation	36.8 mm (1.4 in)	34 of 100 (Routine)
Pleasantville	United States	Record daily precipitation	135.4 mm (5.3 in)	34 of 100 (Routine)
Farmville	United States	Record daily precipitation	82.6 mm (3.3 in)	34 of 100 (Routine)
Beloit	United States	Record low maximum temperature	21.1 C (70.0 F)	34 of 100 (Routine)
Griffiss AFB	United States	Record daily precipitation	39.1 mm (1.5 in)	34 of 100 (Routine)
Troitskoe	Russia	Record daily precipitation	39.2 mm (1.5 in)	33 of 100 (Routine)
Scotland Neck	United States	Record daily precipitation	52.1 mm (2.1 in)	33 of 100 (Routine)
Bodajbo	Russia	Record high minimum temperature	19.2 C (66.6 F)	32 of 100 (Routine)
Plymouth	United States	Record daily precipitation	35.8 mm (1.4 in)	32 of 100 (Routine)
Charlotte Court House	United States	Record daily precipitation	50.8 mm (2.0 in)	32 of 100 (Routine)
Effingham	United States	Record daily precipitation	69.3 mm (2.7 in)	31 of 100 (Routine)
Potts Hill Reservoir	Australia	Record daily precipitation	76.2 mm (3.0 in)	30 of 100 (Routine)
Piaxtla	Mexico	Record low minimum temperature	12.8 C (55.0 F)	30 of 100 (Routine)
Tecamachalco	Mexico	Record low maximum temperature	20.0 C (68.0 F)	30 of 100 (Routine)
Vardo	Norway	Record daily precipitation	56.0 mm (2.2 in)	30 of 100 (Routine)
Frederick 3 E	United States	Record daily precipitation	50.8 mm (2.0 in)	30 of 100 (Routine)
Cloquet	United States	Record daily precipitation	41.9 mm (1.6 in)	30 of 100 (Routine)
Chambers	United States	Record daily precipitation	45.7 mm (1.8 in)	30 of 100 (Routine)
Ashley	United States	Record daily precipitation	28.4 mm (1.1 in)	30 of 100 (Routine)
Fowlerton	United States	Record high minimum temperature	25.0 C (77.0 F)	30 of 100 (Routine)
Nowra Treatment Works	Australia	Record daily precipitation	47.4 mm (1.9 in)	29 of 100 (Routine)
Namiquipa	Mexico	Record high maximum temperature	35.0 C (95.0 F)	29 of 100 (Routine)
Haparanda	Sweden	Record low maximum temperature	11.3 C (52.3 F)	29 of 100 (Routine)

Counts by Type and Timescale

544 records

Records set or tied on 7 August 1986 by type: Highest daily maximum 89, Lowest daily maximum 71, Highest daily minimum 95, Lowest daily minimum 78, Heaviest daily rainfall 211.

Records on 7 August 1986 by type
Record type	Records
Highest daily maximum	89
Lowest daily maximum	71
Highest daily minimum	95
Lowest daily minimum	78
Heaviest daily rainfall	211
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 7 August 1986 by timescale: all-time 1, monthly 9, daily 534.

How Much Records Were Beaten By

407 broken records

Margins by which the 407 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 95.6. Ties are not counted.

Top 20 by Significance

7 August 1986

Top 20 records on 7 August 1986 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
7 August 1986	Mittagong (Beatrice Street), AU	daily rain	61.2 mm (2.4 in)	49.8 mm (2.0 in)	90 years	77 of 100 (Major)
7 August 1986	Bundanoon Bowling Club, AU	daily rain	124.0 mm (4.9 in)	95.6 mm (3.8 in)	77 years	71 of 100 (Major)
7 August 1986	Leura Post Office, AU	daily rain	82.2 mm (3.2 in)	45.6 mm (1.8 in)	77 years	67 of 100 (Major)
7 August 1986	Katoomba (Murri St), AU	daily rain	78.0 mm (3.1 in)	37.4 mm (1.5 in)	77 years	63 of 100 (Major)
7 August 1986	Windsor Bowling Club, AU	daily rain	40.0 mm (1.6 in)	29.3 mm (1.2 in)	77 years	62 of 100 (Major)
7 August 1986	Cornwall, US	daily rain	57.4 mm (2.3 in)	20.8 mm (0.8 in)	84 years	53 of 100 (Notable)
7 August 1986	Warwick Farm (Liverpool Treatm, AU	daily rain	100.0 mm (3.9 in)	92.1 mm (3.6 in)	25 years	51 of 100 (Notable)
7 August 1986	Minto Surrey Street, AU	daily rain	43.6 mm (1.7 in)	25.8 mm (1.0 in)	63 years	50 of 100 (Notable)
7 August 1986	Estancia, BR	daily rain	46.3 mm (1.8 in)	35.9 mm (1.4 in)	16 years	49 of 100 (Notable)
7 August 1986	Mtn Dell Dam, US	daily rain	31.0 mm (1.2 in)	18.8 mm (0.7 in)	44 years	49 of 100 (Notable)
7 August 1986	Port Blair, IN	daily rain	165.1 mm (6.5 in)	62.2 mm (2.4 in)	52 years	48 of 100 (Notable)
7 August 1986	Arcadia, US	daily rain	33.0 mm (1.3 in)	17.8 mm (0.7 in)	85 years	48 of 100 (Notable)
7 August 1986	Hillsdale, US	daily rain	40.1 mm (1.6 in)	14.7 mm (0.6 in)	80 years	46 of 100 (Notable)
7 August 1986	Wildes Meadow (Longview), AU	daily rain	195.0 mm (7.7 in)	87.6 mm (3.4 in)	19 years	45 of 100 (Notable)
7 August 1986	Kangaroo Valley (Main Rd), AU	daily rain	131.0 mm (5.2 in)	62.9 mm (2.5 in)	19 years	44 of 100 (Notable)
7 August 1986	Marulan (George St), AU	daily rain	33.0 mm (1.3 in)	7.6 mm (0.30 in)	90 years	43 of 100 (Notable)
7 August 1986	Collegeville St John's, US	daily rain	50.0 mm (2.0 in)	11.6 mm (0.5 in)	88 years	43 of 100 (Notable)
7 August 1986	Neuse 2 NE, US	daily rain	89.4 mm (3.5 in)	45.5 mm (1.8 in)	25 years	43 of 100 (Notable)
7 August 1986	Berry Masonic Village, AU	daily rain	37.2 mm (1.5 in)	11.8 mm (0.5 in)	90 years	42 of 100 (Notable)
7 August 1986	Kwajalein, MH	daily rain	84.8 mm (3.3 in)	56.9 mm (2.2 in)	12 years	42 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

1808 to 1986

Records set or tied on this calendar date in each year from 1808 to 1986. 1986 had 544 records.

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

Records on 08-07 in each year
Year	Records
1808	1
1812	1
1815	1
1816	1
1817	1
1833	2
1844	1
1845	1
1848	1
1857	3
1858	1
1859	2
1861	1
1866	1
1868	1
1869	3
1870	2
1875	1
1876	5
1879	1
1880	2
1882	1
1883	1
1884	2
1886	1
1887	2
1888	5
1889	2
1891	3
1892	3
1893	1
1894	1
1895	7
1896	2
1897	2
1898	4
1899	1
1900	6
1901	3
1902	5
1903	17
1904	8
1905	8
1906	9
1907	10
1908	13
1909	11
1910	1
1911	36
1912	31
1913	39
1914	24
1915	40
1916	50
1917	21
1918	108
1919	36
1920	36
1921	55
1922	61
1923	101
1924	128
1925	81
1926	115
1927	109
1928	188
1929	181
1930	486
1931	357
1932	249
1933	310
1934	608
1935	507
1936	286
1937	446
1938	568
1939	561
1940	271
1941	305
1942	340
1943	601
1944	332
1945	882
1946	500
1947	461
1948	756
1949	587
1950	541
1951	562
1952	556
1953	378
1954	589
1955	536
1956	321
1957	868
1958	571
1959	356
1960	344
1961	356
1962	718
1963	522
1964	446
1965	552
1966	400
1967	701
1968	600
1969	523
1970	652
1971	969
1972	1,172
1973	568
1974	746
1975	1,177
1976	1,168
1977	617
1978	1,210
1979	559
1980	871
1981	855
1982	727
1983	1,207
1984	840
1985	1,088
1986	544
1987	1,146
1988	897
1989	1,472
1990	1,625
1991	1,217
1992	1,236
1993	1,040
1994	1,262
1995	1,521
1996	1,107
1997	1,460
1998	1,183
1999	950
2000	871
2001	1,386
2002	907
2003	1,244
2004	1,400
2005	882
2006	923
2007	1,309
2008	918
2009	1,121
2010	1,098
2011	1,282
2012	688
2013	665
2014	501
2015	1,027
2016	505
2017	954
2018	636
2019	609
2020	605
2021	397
2022	880
2023	1,221
2024	835
2025	733
2026	1,047

Download the Data

Data for records on 1986-08-07: 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	369
20 to 40	27
40 to 60	6
60 to 80	2
80 to 100	3