Weather Records on 15 August 1986

1,283 weather records were set or tied worldwide on 15 August 1986. Highest significance: Aramac Post Office, AU.

Key Facts for 15 August 1986

On 15 August 1986, 1,283 weather records were set or tied at long-record stations worldwide.
172 were record highs and 118 were record lows, counting maximum and minimum temperature.
By timescale, 4 were all-time records, 44 monthly and 1,235 daily.
Aramac Post Office set a daily record precipitation of 40.0 mm (1.6 in) on 15 August 1986.
Across 168 earlier years (1793 to 2026) the same calendar date averaged 450 records.

Record Map

1,283 stations

1,283 station records on 15 August 1986 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 15 August 1986: highest significance records shown on the map
Station	Country	Type	Value	Significance
Aramac Post Office	Australia	Record daily precipitation	40.0 mm (1.6 in)	78 of 100 (Major)
Walgett (Dungalear)	Australia	Record daily precipitation	30.2 mm (1.2 in)	76 of 100 (Major)
Goonumbla (Coradgery)	Australia	Record daily precipitation	36.2 mm (1.4 in)	76 of 100 (Major)
Wyanga (Barcoo)	Australia	Record daily precipitation	83.0 mm (3.3 in)	76 of 100 (Major)
Jericho Store	Australia	Record daily precipitation	48.2 mm (1.9 in)	72 of 100 (Major)
Listowel Downs	Australia	Record daily precipitation	28.2 mm (1.1 in)	70 of 100 (Major)
Whyenbah	Australia	Record daily precipitation	31.8 mm (1.3 in)	69 of 100 (Major)
Temora Ambulance Station	Australia	Record daily precipitation	37.2 mm (1.5 in)	69 of 100 (Major)
Cowangie	Australia	Record daily precipitation	28.2 mm (1.1 in)	67 of 100 (Major)
Bundaleer Forest Reserve	Australia	Record daily precipitation	54.8 mm (2.2 in)	64 of 100 (Major)
Angellala Downs Homestead	Australia	Record daily precipitation	42.0 mm (1.7 in)	63 of 100 (Major)
Brewarrina (Talawanta)	Australia	Record daily precipitation	25.0 mm (1.0 in)	63 of 100 (Major)
Rockdale	Australia	Record daily precipitation	38.0 mm (1.5 in)	62 of 100 (Major)
Dandaloo (Skye)	Australia	Record daily precipitation	41.0 mm (1.6 in)	62 of 100 (Major)
Yalleroi	Australia	Record daily precipitation	29.6 mm (1.2 in)	61 of 100 (Major)
Tambo Post Office	Australia	Record daily precipitation	31.0 mm (1.2 in)	60 of 100 (Major)
Condobolin Retirement Village	Australia	Record daily precipitation	28.0 mm (1.1 in)	60 of 100 (Major)
Mungallala	Australia	Record daily precipitation	42.2 mm (1.7 in)	59 of 100 (Notable)
Yetman (Warialda Street)	Australia	Record daily precipitation	28.8 mm (1.1 in)	59 of 100 (Notable)
Girilambone (Ampol)	Australia	Record daily precipitation	56.0 mm (2.2 in)	57 of 100 (Notable)
Wyalong Post Office	Australia	Record daily precipitation	36.0 mm (1.4 in)	57 of 100 (Notable)
Piquerobi	Brazil	Record daily precipitation	77.4 mm (3.0 in)	57 of 100 (Notable)
Mitchell Post Office	Australia	Record daily precipitation	36.9 mm (1.5 in)	56 of 100 (Notable)
Yantabulla Station	Australia	Record daily precipitation	31.6 mm (1.2 in)	56 of 100 (Notable)
Miandetta (Tyrone)	Australia	Record daily precipitation	45.0 mm (1.8 in)	56 of 100 (Notable)
Nyngan (Canonbar)	Australia	Record daily precipitation	49.0 mm (1.9 in)	56 of 100 (Notable)
Nyngan Airport	Australia	Record daily precipitation	48.0 mm (1.9 in)	56 of 100 (Notable)
Jaransk	Russia	Record daily precipitation	46.7 mm (1.8 in)	56 of 100 (Notable)
Beachport	Australia	Record daily precipitation	35.4 mm (1.4 in)	55 of 100 (Notable)
St George Post Office	Australia	Record daily precipitation	43.5 mm (1.7 in)	55 of 100 (Notable)
Doondi	Australia	Record daily precipitation	43.0 mm (1.7 in)	55 of 100 (Notable)
Byrock Post Office	Australia	Record daily precipitation	47.8 mm (1.9 in)	55 of 100 (Notable)
Fords Bridge	Australia	Record daily precipitation	28.4 mm (1.1 in)	55 of 100 (Notable)
Hennessey 4 ESE	United States	Record daily precipitation	97.8 mm (3.9 in)	55 of 100 (Notable)
Crosbyton	United States	Record daily precipitation	87.6 mm (3.4 in)	55 of 100 (Notable)
Trundle (Murrumbogie)	Australia	Record daily precipitation	30.0 mm (1.2 in)	54 of 100 (Notable)
Nevertire (Beverley)	Australia	Record daily precipitation	33.0 mm (1.3 in)	54 of 100 (Notable)
Fargo 3ENE	United States	Record daily precipitation	75.2 mm (3.0 in)	54 of 100 (Notable)
Slaton	United States	Record daily precipitation	128.8 mm (5.1 in)	54 of 100 (Notable)
Westgrove	Australia	Record daily precipitation	29.4 mm (1.2 in)	53 of 100 (Notable)
Thallon Post Office	Australia	Record daily precipitation	45.8 mm (1.8 in)	53 of 100 (Notable)
Burenda	Australia	Record daily precipitation	32.4 mm (1.3 in)	53 of 100 (Notable)
Bayrick	Australia	Record daily precipitation	32.4 mm (1.3 in)	53 of 100 (Notable)
Weilmoringle	Australia	Record daily precipitation	26.4 mm (1.0 in)	53 of 100 (Notable)
Coonabarabran (Namoi Street)	Australia	Record daily precipitation	54.0 mm (2.1 in)	53 of 100 (Notable)
Dubbo (Mentone)	Australia	Record daily precipitation	52.8 mm (2.1 in)	53 of 100 (Notable)
Bethungra (Retreat)	Australia	Record daily precipitation	25.4 mm (1.0 in)	53 of 100 (Notable)
Goolwa Council Depot	Australia	Record daily precipitation	36.8 mm (1.4 in)	52 of 100 (Notable)
Ekari Park	Australia	Record daily precipitation	34.0 mm (1.3 in)	52 of 100 (Notable)
Cudal Post Office	Australia	Record daily precipitation	25.2 mm (1.0 in)	52 of 100 (Notable)
Harrow (Pine Hills)	Australia	Record daily precipitation	35.0 mm (1.4 in)	52 of 100 (Notable)
Eldorado	Australia	Record daily precipitation	36.0 mm (1.4 in)	52 of 100 (Notable)
Torreoes	Brazil	Record daily precipitation	35.8 mm (1.4 in)	52 of 100 (Notable)
Usina Brumado	Brazil	Record daily precipitation	40.4 mm (1.6 in)	52 of 100 (Notable)
Noolook Well (Noolook Forest R	Australia	Record daily precipitation	36.6 mm (1.4 in)	51 of 100 (Notable)
Doomadgee Sharp Street	Australia	Record daily precipitation	25.2 mm (1.0 in)	51 of 100 (Notable)
Alpha Post Office	Australia	Record daily precipitation	25.4 mm (1.0 in)	51 of 100 (Notable)
Lorne Peak	Australia	Record daily precipitation	30.0 mm (1.2 in)	51 of 100 (Notable)
Augathella Post Office	Australia	Record daily precipitation	36.6 mm (1.4 in)	51 of 100 (Notable)
Bourke Post Office	Australia	Record daily precipitation	32.2 mm (1.3 in)	51 of 100 (Notable)

Counts by Type and Timescale

1,283 records

Records set or tied on 15 August 1986 by type: Highest daily maximum 59, Lowest daily maximum 65, Highest daily minimum 113, Lowest daily minimum 53, Heaviest daily rainfall 993.

Records on 15 August 1986 by type
Record type	Records
Highest daily maximum	59
Lowest daily maximum	65
Highest daily minimum	113
Lowest daily minimum	53
Heaviest daily rainfall	993
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 15 August 1986 by timescale: all-time 4, monthly 44, daily 1,235.

How Much Records Were Beaten By

1,139 broken records

Margins by which the 1,139 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 78.7. Ties are not counted.

Top 20 by Significance

15 August 1986

Top 20 records on 15 August 1986 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
15 August 1986	Aramac Post Office, AU	daily rain	40.0 mm (1.6 in)	40.0 mm (1.6 in)	105 years	78 of 100 (Major)
15 August 1986	Walgett (Dungalear), AU	daily rain	30.2 mm (1.2 in)	30.2 mm (1.2 in)	103 years	76 of 100 (Major)
15 August 1986	Goonumbla (Coradgery), AU	daily rain	36.2 mm (1.4 in)	29.1 mm (1.1 in)	93 years	76 of 100 (Major)
15 August 1986	Wyanga (Barcoo), AU	monthly rain	83.0 mm (3.3 in)	25.8 mm (1.0 in)	83 years	76 of 100 (Major)
15 August 1986	Jericho Store, AU	daily rain	48.2 mm (1.9 in)	47.2 mm (1.9 in)	76 years	72 of 100 (Major)
15 August 1986	Listowel Downs, AU	daily rain	28.2 mm (1.1 in)	28.2 mm (1.1 in)	108 years	70 of 100 (Major)
15 August 1986	Whyenbah, AU	daily rain	31.8 mm (1.3 in)	27.5 mm (1.1 in)	92 years	69 of 100 (Major)
15 August 1986	Temora Ambulance Station, AU	daily rain	37.2 mm (1.5 in)	20.7 mm (0.8 in)	93 years	69 of 100 (Major)
15 August 1986	Cowangie, AU	daily rain	28.2 mm (1.1 in)	19.1 mm (0.8 in)	69 years	67 of 100 (Major)
15 August 1986	Bundaleer Forest Reserve, AU	monthly rain	54.8 mm (2.2 in)	11.6 mm (0.5 in)	92 years	64 of 100 (Major)
15 August 1986	Angellala Downs Homestead, AU	daily rain	42.0 mm (1.7 in)	33.1 mm (1.3 in)	68 years	63 of 100 (Major)
15 August 1986	Brewarrina (Talawanta), AU	daily rain	25.0 mm (1.0 in)	22.0 mm (0.9 in)	94 years	63 of 100 (Major)
15 August 1986	Rockdale, AU	daily rain	38.0 mm (1.5 in)	28.6 mm (1.1 in)	69 years	62 of 100 (Major)
15 August 1986	Dandaloo (Skye), AU	daily rain	41.0 mm (1.6 in)	37.2 mm (1.5 in)	44 years	62 of 100 (Major)
15 August 1986	Yalleroi, AU	daily rain	29.6 mm (1.2 in)	29.6 mm (1.2 in)	84 years	61 of 100 (Major)
15 August 1986	Tambo Post Office, AU	daily rain	31.0 mm (1.2 in)	30.2 mm (1.2 in)	55 years	60 of 100 (Major)
15 August 1986	Condobolin Retirement Village, AU	daily rain	28.0 mm (1.1 in)	15.3 mm (0.6 in)	93 years	60 of 100 (Major)
15 August 1986	Mungallala, AU	daily rain	42.2 mm (1.7 in)	37.1 mm (1.5 in)	52 years	59 of 100 (Notable)
15 August 1986	Yetman (Warialda Street), AU	daily rain	28.8 mm (1.1 in)	18.9 mm (0.7 in)	99 years	59 of 100 (Notable)
15 August 1986	Girilambone (Ampol), AU	daily rain	56.0 mm (2.2 in)	39.5 mm (1.6 in)	24 years	57 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

1793 to 1986

Records set or tied on this calendar date in each year from 1793 to 1986. 1986 had 1,283 records.

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

Records on 08-15 in each year
Year	Records
1793	2
1802	1
1805	1
1812	1
1821	1
1838	2
1839	1
1841	1
1844	1
1845	3
1852	1
1854	1
1856	1
1858	1
1861	3
1867	1
1868	2
1869	1
1873	2
1875	1
1876	2
1877	1
1878	1
1879	1
1880	3
1881	2
1882	2
1883	1
1884	2
1885	3
1886	1
1887	1
1888	3
1890	2
1891	2
1892	3
1893	3
1895	1
1896	9
1897	3
1898	1
1899	2
1900	6
1901	5
1902	10
1903	5
1904	17
1905	26
1906	8
1907	14
1908	15
1909	30
1910	16
1911	26
1912	34
1913	42
1914	11
1915	26
1916	223
1917	32
1918	23
1919	22
1920	59
1921	55
1922	86
1923	116
1924	220
1925	91
1926	115
1927	223
1928	271
1929	586
1930	274
1931	351
1932	368
1933	268
1934	992
1935	414
1936	867
1937	574
1938	681
1939	450
1940	372
1941	289
1942	377
1943	426
1944	610
1945	433
1946	285
1947	559
1948	366
1949	559
1950	317
1951	597
1952	596
1953	449
1954	481
1955	539
1956	390
1957	355
1958	1,092
1959	515
1960	417
1961	704
1962	1,052
1963	972
1964	1,185
1965	535
1966	340
1967	687
1968	1,002
1969	583
1970	382
1971	899
1972	613
1973	499
1974	512
1975	490
1976	1,345
1977	550
1978	841
1979	1,788
1980	745
1981	588
1982	479
1983	955
1984	622
1985	915
1986	1,283
1987	1,098
1988	1,479
1989	495
1990	758
1991	778
1992	1,638
1993	831
1994	1,073
1995	1,298
1996	929
1997	927
1998	861
1999	956
2000	932
2001	1,254
2002	1,307
2003	1,248
2004	1,424
2005	1,067
2006	923
2007	1,317
2008	964
2009	1,038
2010	1,622
2011	770
2012	654
2013	711
2014	583
2015	759
2016	707
2017	532
2018	328
2019	435
2020	1,327
2021	900
2022	692
2023	1,414
2024	729
2025	772
2026	975

Download the Data

Data for records on 1986-08-15: 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	729
10 to 20	236
20 to 30	112
30 to 40	44
40 to 50	10
50 to 60	6
60 to 70	1
70 to 80	1