Weather Records on 15 June 1986

499 weather records were set or tied worldwide on 15 June 1986. Highest significance: Hennessey 4 ESE, US.

Key Facts for 15 June 1986

On 15 June 1986, 499 weather records were set or tied at long-record stations worldwide.
208 were record highs and 80 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 11 monthly and 488 daily.
Hennessey 4 ESE set a daily record precipitation of 87.1 mm (3.4 in) on 15 June 1986.
Across 163 earlier years (1794 to 2026) the same calendar date averaged 417 records.

Record Map

499 stations

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

Weather records on 15 June 1986: highest significance records shown on the map
Station	Country	Type	Value	Significance
Hennessey 4 ESE	United States	Record daily precipitation	87.1 mm (3.4 in)	52 of 100 (Notable)
Tatarsk	Russia	Record daily precipitation	25.7 mm (1.0 in)	47 of 100 (Notable)
Landor	Australia	Record daily precipitation	27.9 mm (1.1 in)	44 of 100 (Notable)
Mount Lebanon	Australia	Record daily precipitation	42.5 mm (1.7 in)	44 of 100 (Notable)
Abasolo	Mexico	Record daily precipitation	83.8 mm (3.3 in)	44 of 100 (Notable)
Iema	Russia	Record daily precipitation	30.9 mm (1.2 in)	44 of 100 (Notable)
Booroondarra	Australia	Record daily precipitation	25.0 mm (1.0 in)	41 of 100 (Notable)
Encantado	Brazil	Record daily precipitation	120.0 mm (4.7 in)	41 of 100 (Notable)
Nanchong	China	Record daily precipitation	86.9 mm (3.4 in)	41 of 100 (Notable)
Patna	India	Record daily precipitation	86.1 mm (3.4 in)	41 of 100 (Notable)
Elgin Downs	Australia	Record daily precipitation	32.0 mm (1.3 in)	40 of 100 (Notable)
Ft Ross	United States	Record low minimum temperature	4.4 C (39.9 F)	40 of 100 (Notable)
Beardstown	United States	Record daily precipitation	57.7 mm (2.3 in)	39 of 100 (Notable)
La Cygne 4ESE	United States	Record daily precipitation	86.9 mm (3.4 in)	39 of 100 (Notable)
Pope AFB	United States	Record daily precipitation	72.1 mm (2.8 in)	39 of 100 (Notable)
Guanghua	China	Record daily precipitation	53.1 mm (2.1 in)	38 of 100 (Notable)
Oakland	Australia	Record daily precipitation	40.6 mm (1.6 in)	37 of 100 (Notable)
Yingkou	China	Record daily precipitation	31.8 mm (1.3 in)	37 of 100 (Notable)
San Bernardo	Mexico	Record daily precipitation	41.9 mm (1.6 in)	37 of 100 (Notable)
Huajintlan	Mexico	Record low maximum temperature	21.7 C (71.1 F)	37 of 100 (Notable)
Sain Alto	Mexico	Record daily precipitation	38.9 mm (1.5 in)	37 of 100 (Notable)
Isis Downs	Australia	Record daily precipitation	27.5 mm (1.1 in)	36 of 100 (Notable)
Wellshot	Australia	Record daily precipitation	25.0 mm (1.0 in)	36 of 100 (Notable)
Millen 4 N	United States	Record high minimum temperature	25.0 C (77.0 F)	36 of 100 (Notable)
Perry	United States	Record daily precipitation	47.5 mm (1.9 in)	36 of 100 (Notable)
Debrecen Airport	Hungary	Record high minimum temperature	19.2 C (66.6 F)	35 of 100 (Notable)
Snyder	United States	Record daily precipitation	39.6 mm (1.6 in)	35 of 100 (Notable)
Buzau	Romania	Record high minimum temperature	20.0 C (68.0 F)	34 of 100 (Routine)
Washington Wwtp 4W	United States	Record daily precipitation	44.5 mm (1.8 in)	34 of 100 (Routine)
Glen Florrie Station	Australia	Record daily precipitation	47.0 mm (1.9 in)	33 of 100 (Routine)
Pine Hill Railway Station	Australia	Record daily precipitation	34.0 mm (1.3 in)	33 of 100 (Routine)
Ostrov Aion	Russia	Record high minimum temperature	9.4 C (48.9 F)	33 of 100 (Routine)
Kalacinsk	Russia	Record daily precipitation	35.9 mm (1.4 in)	33 of 100 (Routine)
Belmont Csiro	Australia	Record daily precipitation	33.2 mm (1.3 in)	32 of 100 (Routine)
Karmoo	Australia	Record daily precipitation	33.6 mm (1.3 in)	32 of 100 (Routine)
Barcombe	Australia	Record daily precipitation	27.0 mm (1.1 in)	32 of 100 (Routine)
Amealco	Mexico	Record high minimum temperature	15.0 C (59.0 F)	31 of 100 (Routine)
Winamac 2SSE	United States	Record daily precipitation	47.5 mm (1.9 in)	31 of 100 (Routine)
Billings	United States	Record daily precipitation	49.8 mm (2.0 in)	31 of 100 (Routine)
Milray Station Wrc	Australia	Record daily precipitation	25.6 mm (1.0 in)	30 of 100 (Routine)
Wapengo Lake Road	Australia	Record daily precipitation	94.0 mm (3.7 in)	30 of 100 (Routine)
Jinzhou	China	Record daily precipitation	40.4 mm (1.6 in)	30 of 100 (Routine)
Leon (Dge)	Mexico	Record daily precipitation	43.9 mm (1.7 in)	30 of 100 (Routine)
Golden	United States	Record daily precipitation	50.8 mm (2.0 in)	30 of 100 (Routine)
Altus Dam	United States	Record daily precipitation	54.4 mm (2.1 in)	30 of 100 (Routine)
Boddington Shire	Australia	Record daily precipitation	28.0 mm (1.1 in)	29 of 100 (Routine)
Charters Towers Post Office	Australia	Record high minimum temperature	17.5 C (63.5 F)	29 of 100 (Routine)
Emerald Post Office	Australia	Record high minimum temperature	15.4 C (59.7 F)	29 of 100 (Routine)
Emerald Post Office	Australia	Record daily precipitation	29.4 mm (1.2 in)	29 of 100 (Routine)
Wanyuan	China	Record daily precipitation	71.4 mm (2.8 in)	29 of 100 (Routine)
Lajas Substn	Puerto Rico [United States]	Record low minimum temperature	12.8 C (55.0 F)	29 of 100 (Routine)
Red Rock	United States	Record daily precipitation	36.1 mm (1.4 in)	29 of 100 (Routine)
Sullivans Is	United States	Record daily precipitation	41.9 mm (1.6 in)	29 of 100 (Routine)
Kodiak AP	United States	Record high maximum temperature	25.6 C (78.1 F)	29 of 100 (Routine)
Tathra Post Office	Australia	Record daily precipitation	91.8 mm (3.6 in)	28 of 100 (Routine)
Dolores Hidalgo (Smn)	Mexico	Record daily precipitation	36.6 mm (1.4 in)	28 of 100 (Routine)
Jumatan (Cfe)	Mexico	Record low minimum temperature	12.8 C (55.0 F)	28 of 100 (Routine)
Izmail	Ukraine	Record high maximum temperature	34.7 C (94.5 F)	28 of 100 (Routine)
Tombstone	United States	Record high minimum temperature	22.2 C (72.0 F)	28 of 100 (Routine)
Perkins	United States	Record daily precipitation	39.1 mm (1.5 in)	28 of 100 (Routine)

Counts by Type and Timescale

499 records

Records set or tied on 15 June 1986 by type: Highest daily maximum 79, Lowest daily maximum 42, Highest daily minimum 129, Lowest daily minimum 38, Heaviest daily rainfall 211.

Records on 15 June 1986 by type
Record type	Records
Highest daily maximum	79
Lowest daily maximum	42
Highest daily minimum	129
Lowest daily minimum	38
Heaviest daily rainfall	211
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 15 June 1986 by timescale: all-time 0, monthly 11, daily 488.

How Much Records Were Beaten By

423 broken records

Margins by which the 423 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 62.0. Ties are not counted.

Top 20 by Significance

15 June 1986

Top 20 records on 15 June 1986 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
15 June 1986	Hennessey 4 ESE, US	daily rain	87.1 mm (3.4 in)	51.5 mm (2.0 in)	35 years	52 of 100 (Notable)
15 June 1986	Tatarsk, RU	daily rain	25.7 mm (1.0 in)	17.2 mm (0.7 in)	39 years	47 of 100 (Notable)
15 June 1986	Landor, AU	daily rain	27.9 mm (1.1 in)	15.7 mm (0.6 in)	77 years	44 of 100 (Notable)
15 June 1986	Mount Lebanon, AU	daily rain	42.5 mm (1.7 in)	42.5 mm (1.7 in)	32 years	44 of 100 (Notable)
15 June 1986	Abasolo, MX	monthly rain	83.8 mm (3.3 in)	24.1 mm (0.9 in)	35 years	44 of 100 (Notable)
15 June 1986	Iema, RU	daily rain	30.9 mm (1.2 in)	13.8 mm (0.5 in)	33 years	44 of 100 (Notable)
15 June 1986	Booroondarra, AU	daily rain	25.0 mm (1.0 in)	25.0 mm (1.0 in)	53 years	41 of 100 (Notable)
15 June 1986	Encantado, BR	daily rain	120.0 mm (4.7 in)	58.9 mm (2.3 in)	23 years	41 of 100 (Notable)
15 June 1986	Nanchong, CN	daily rain	86.9 mm (3.4 in)	55.9 mm (2.2 in)	24 years	41 of 100 (Notable)
15 June 1986	Patna, IN	daily rain	86.1 mm (3.4 in)	62.0 mm (2.4 in)	36 years	41 of 100 (Notable)
15 June 1986	Elgin Downs, AU	daily rain	32.0 mm (1.3 in)	6.6 mm (0.26 in)	95 years	40 of 100 (Notable)
15 June 1986	Ft Ross, US	daily low min	4.4 C (39.9 F)	1.2 C (2.2 F)	84 years	40 of 100 (Notable)
15 June 1986	Beardstown, US	daily rain	57.7 mm (2.3 in)	22.6 mm (0.9 in)	44 years	39 of 100 (Notable)
15 June 1986	La Cygne 4ESE, US	daily rain	86.9 mm (3.4 in)	35.8 mm (1.4 in)	56 years	39 of 100 (Notable)
15 June 1986	Pope AFB, US	daily rain	72.1 mm (2.8 in)	44.7 mm (1.8 in)	16 years	39 of 100 (Notable)
15 June 1986	Guanghua, CN	daily rain	53.1 mm (2.1 in)	42.2 mm (1.7 in)	12 years	38 of 100 (Notable)
15 June 1986	Oakland, AU	daily rain	40.6 mm (1.6 in)	12.7 mm (0.5 in)	56 years	37 of 100 (Notable)
15 June 1986	Yingkou, CN	daily rain	31.8 mm (1.3 in)	27.6 mm (1.1 in)	27 years	37 of 100 (Notable)
15 June 1986	San Bernardo, MX	daily rain	41.9 mm (1.6 in)	28.4 mm (1.1 in)	19 years	37 of 100 (Notable)
15 June 1986	Huajintlan, MX	daily low max	21.7 C (71.1 F)	5.0 C (9.0 F)	59 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

1794 to 1986

Records set or tied on this calendar date in each year from 1794 to 1986. 1986 had 499 records.

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

Records on 06-15 in each year
Year	Records
1794	1
1797	1
1822	2
1838	1
1839	1
1841	2
1844	1
1845	3
1846	2
1847	2
1850	1
1851	1
1852	1
1853	2
1857	2
1858	1
1860	2
1867	1
1869	1
1870	1
1874	3
1876	2
1878	2
1879	2
1880	2
1885	1
1886	1
1888	3
1891	4
1892	5
1893	3
1894	1
1895	6
1896	1
1897	4
1898	4
1899	4
1900	2
1901	4
1902	9
1903	11
1904	6
1905	9
1906	8
1907	5
1908	39
1909	10
1910	15
1911	38
1912	67
1913	21
1914	17
1915	27
1916	77
1917	85
1918	39
1919	133
1920	56
1921	38
1922	41
1923	117
1924	158
1925	242
1926	205
1927	298
1928	106
1929	175
1930	314
1931	283
1932	154
1933	881
1934	167
1935	339
1936	338
1937	258
1938	366
1939	320
1940	401
1941	204
1942	465
1943	577
1944	493
1945	846
1946	495
1947	376
1948	932
1949	662
1950	508
1951	386
1952	1,001
1953	453
1954	368
1955	326
1956	587
1957	499
1958	437
1959	468
1960	489
1961	905
1962	439
1963	578
1964	395
1965	470
1966	369
1967	714
1968	546
1969	981
1970	389
1971	349
1972	591
1973	716
1974	609
1975	357
1976	832
1977	557
1978	633
1979	580
1980	539
1981	1,449
1982	605
1983	571
1984	538
1985	675
1986	499
1987	1,460
1988	1,006
1989	1,467
1990	710
1991	1,046
1992	1,025
1993	657
1994	1,238
1995	1,291
1996	672
1997	1,063
1998	1,874
1999	987
2000	1,041
2001	942
2002	991
2003	661
2004	734
2005	1,028
2006	926
2007	951
2008	500
2009	685
2010	990
2011	877
2012	647
2013	385
2014	415
2015	708
2016	791
2017	627
2018	657
2019	543
2020	680
2021	1,575
2022	1,343
2023	551
2024	502
2025	737
2026	1,014

Download the Data

Data for records on 1986-06-15: 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	335
10 to 20	50
20 to 30	17
30 to 40	13
40 to 50	4
50 to 60	3
60 to 70	1