Weather Records on 18 June 1986

862 weather records were set or tied worldwide on 18 June 1986. Highest significance: Tuckanarra, AU.

Key Facts for 18 June 1986

On 18 June 1986, 862 weather records were set or tied at long-record stations worldwide.
471 were record highs and 151 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 7 monthly and 854 daily.
Tuckanarra set a daily record precipitation of 27.5 mm (1.1 in) on 18 June 1986.
Across 162 earlier years (1800 to 2026) the same calendar date averaged 433 records.

Record Map

862 stations

862 station records on 18 June 1986 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 June 1986: highest significance records shown on the map
Station	Country	Type	Value	Significance
Tuckanarra	Australia	Record daily precipitation	27.5 mm (1.1 in)	55 of 100 (Notable)
New London	United States	Record daily precipitation	78.2 mm (3.1 in)	54 of 100 (Notable)
Gulnare	Australia	Record daily precipitation	29.8 mm (1.2 in)	51 of 100 (Notable)
Korong	Australia	Record daily precipitation	33.0 mm (1.3 in)	50 of 100 (Notable)
Kunming	China	Record daily precipitation	73.7 mm (2.9 in)	48 of 100 (Notable)
El Carmen (Smn)	Mexico	Record daily precipitation	88.1 mm (3.5 in)	47 of 100 (Notable)
Dairy Creek	Australia	Record daily precipitation	41.0 mm (1.6 in)	46 of 100 (Notable)
Kushiro	Japan	Record daily precipitation	93.5 mm (3.7 in)	46 of 100 (Notable)
Batopilas (Smn)	Mexico	Record daily precipitation	39.4 mm (1.6 in)	46 of 100 (Notable)
Moorarie	Australia	Record daily precipitation	36.0 mm (1.4 in)	45 of 100 (Notable)
Tsipa	Georgia	Record daily precipitation	50.2 mm (2.0 in)	44 of 100 (Notable)
Glorieta	United States	Record daily precipitation	38.6 mm (1.5 in)	44 of 100 (Notable)
Vitoria de Santo Antao	Brazil	Record daily precipitation	107.4 mm (4.2 in)	43 of 100 (Notable)
Mount Phillip	Australia	Record daily precipitation	49.0 mm (1.9 in)	42 of 100 (Notable)
Presa Guaracha	Mexico	Record daily precipitation	65.3 mm (2.6 in)	42 of 100 (Notable)
Tarwin Lower (Riverside)	Australia	Record daily precipitation	31.2 mm (1.2 in)	41 of 100 (Notable)
Douglas	United States	Record daily precipitation	68.6 mm (2.7 in)	41 of 100 (Notable)
Midland	United States	Record high minimum temperature	20.6 C (69.1 F)	40 of 100 (Notable)
Onslow	Australia	Record daily precipitation	38.0 mm (1.5 in)	39 of 100 (Notable)
Wirrabara Forest	Australia	Record daily precipitation	36.6 mm (1.4 in)	39 of 100 (Notable)
Saint Ignatius	United States	Record high maximum temperature	38.3 C (100.9 F)	39 of 100 (Notable)
Wibaux 2 E	United States	Record high maximum temperature	35.6 C (96.1 F)	39 of 100 (Notable)
Portsmouth-Sciotoville	United States	Record low minimum temperature	7.2 C (45.0 F)	38 of 100 (Notable)
Trent	United States	Record daily precipitation	53.3 mm (2.1 in)	38 of 100 (Notable)
Snowville	United States	Record high minimum temperature	15.6 C (60.1 F)	38 of 100 (Notable)
Lovell	United States	Record high maximum temperature	37.8 C (100.0 F)	38 of 100 (Notable)
Sidney	United States	Record high maximum temperature	36.7 C (98.1 F)	37 of 100 (Notable)
Jigalong	Australia	Record daily precipitation	30.0 mm (1.2 in)	36 of 100 (Notable)
Gorlitz	Germany	Record high minimum temperature	17.6 C (63.7 F)	36 of 100 (Notable)
Payette	United States	Record high minimum temperature	18.9 C (66.0 F)	36 of 100 (Notable)
Bozeman Montana State UNIV	United States	Record high minimum temperature	16.7 C (62.1 F)	36 of 100 (Notable)
Diversion Dam	United States	Record high minimum temperature	18.9 C (66.0 F)	36 of 100 (Notable)
Hambantota	Sri Lanka	Record high maximum temperature	35.7 C (96.3 F)	35 of 100 (Notable)
Cottbus	Germany	Record high minimum temperature	19.1 C (66.4 F)	35 of 100 (Notable)
Plevna	United States	Record high maximum temperature	38.9 C (102.0 F)	35 of 100 (Notable)
Milesville 5 NE	United States	Record high minimum temperature	20.6 C (69.1 F)	35 of 100 (Notable)
Waiahi Lower 1054	United States	Record high minimum temperature	24.4 C (75.9 F)	35 of 100 (Notable)
Yangjiang	China	Record daily precipitation	187.6 mm (7.4 in)	34 of 100 (Routine)
Berea College	United States	Record low minimum temperature	6.1 C (43.0 F)	34 of 100 (Routine)
Butte	United States	Record high minimum temperature	22.2 C (72.0 F)	34 of 100 (Routine)
Fitzwilliam 2 W	United States	Record daily precipitation	35.6 mm (1.4 in)	34 of 100 (Routine)
Rugby	United States	Record high maximum temperature	33.3 C (91.9 F)	34 of 100 (Routine)
Chippewa Lake	United States	Record low minimum temperature	4.4 C (39.9 F)	34 of 100 (Routine)
Freeland	United States	Record low minimum temperature	1.1 C (34.0 F)	34 of 100 (Routine)
Loop	United States	Record daily precipitation	68.6 mm (2.7 in)	34 of 100 (Routine)
Paint Rock	United States	Record daily precipitation	57.2 mm (2.3 in)	34 of 100 (Routine)
Worland	United States	Record high maximum temperature	38.3 C (100.9 F)	34 of 100 (Routine)
Glenelg Post Office	Australia	Record daily precipitation	26.6 mm (1.0 in)	33 of 100 (Routine)
Sachkhere	Georgia	Record daily precipitation	32.3 mm (1.3 in)	33 of 100 (Routine)
Red Lodge	United States	Record high maximum temperature	31.1 C (88.0 F)	33 of 100 (Routine)
Franklinville	United States	Record low maximum temperature	13.9 C (57.0 F)	33 of 100 (Routine)
Kaycee	United States	Record high maximum temperature	35.6 C (96.1 F)	33 of 100 (Routine)
Minnie Creek	Australia	Record daily precipitation	40.5 mm (1.6 in)	32 of 100 (Routine)
Belair (State Flora Nursery)	Australia	Record daily precipitation	34.4 mm (1.4 in)	32 of 100 (Routine)
Merriman	United States	Record high minimum temperature	20.6 C (69.1 F)	32 of 100 (Routine)
Lewistown AP	United States	Record high minimum temperature	17.2 C (63.0 F)	32 of 100 (Routine)
Lindenberg	Germany	Record high minimum temperature	17.7 C (63.9 F)	31 of 100 (Routine)
Waren	Germany	Record high minimum temperature	19.5 C (67.1 F)	31 of 100 (Routine)
Lubbock	United States	Record daily precipitation	47.5 mm (1.9 in)	31 of 100 (Routine)
Lucin	United States	Record high minimum temperature	17.2 C (63.0 F)	31 of 100 (Routine)

Counts by Type and Timescale

862 records

Records set or tied on 18 June 1986 by type: Highest daily maximum 175, Lowest daily maximum 54, Highest daily minimum 296, Lowest daily minimum 97, Heaviest daily rainfall 239, Heaviest daily snowfall 1.

Records on 18 June 1986 by type
Record type	Records
Highest daily maximum	175
Lowest daily maximum	54
Highest daily minimum	296
Lowest daily minimum	97
Heaviest daily rainfall	239
Heaviest daily snowfall	1
Deepest snow cover	0

Records on 18 June 1986 by timescale: all-time 1, monthly 7, daily 854.

How Much Records Were Beaten By

702 broken records

Margins by which the 702 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 78.2. Ties are not counted.

Top 20 by Significance

18 June 1986

Top 20 records on 18 June 1986 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 June 1986	Tuckanarra, AU	daily rain	27.5 mm (1.1 in)	22.4 mm (0.9 in)	68 years	55 of 100 (Notable)
18 June 1986	New London, US	daily rain	78.2 mm (3.1 in)	37.3 mm (1.5 in)	71 years	54 of 100 (Notable)
18 June 1986	Gulnare, AU	daily rain	29.8 mm (1.2 in)	19.9 mm (0.8 in)	31 years	51 of 100 (Notable)
18 June 1986	Korong, AU	daily rain	33.0 mm (1.3 in)	23.9 mm (0.9 in)	65 years	50 of 100 (Notable)
18 June 1986	Kunming, CN	daily rain	73.7 mm (2.9 in)	50.1 mm (2.0 in)	20 years	48 of 100 (Notable)
18 June 1986	El Carmen (Smn), MX	daily rain	88.1 mm (3.5 in)	56.3 mm (2.2 in)	28 years	47 of 100 (Notable)
18 June 1986	Dairy Creek, AU	daily rain	41.0 mm (1.6 in)	23.0 mm (0.9 in)	68 years	46 of 100 (Notable)
18 June 1986	Kushiro, JP	daily rain	93.5 mm (3.7 in)	64.0 mm (2.5 in)	11 years	46 of 100 (Notable)
18 June 1986	Batopilas (Smn), MX	daily rain	39.4 mm (1.6 in)	28.5 mm (1.1 in)	40 years	46 of 100 (Notable)
18 June 1986	Moorarie, AU	daily rain	36.0 mm (1.4 in)	16.9 mm (0.7 in)	68 years	45 of 100 (Notable)
18 June 1986	Tsipa, GE	daily rain	50.2 mm (2.0 in)	28.8 mm (1.1 in)	17 years	44 of 100 (Notable)
18 June 1986	Glorieta, US	daily rain	38.6 mm (1.5 in)	26.4 mm (1.0 in)	20 years	44 of 100 (Notable)
18 June 1986	Vitoria de Santo Antao, BR	daily rain	107.4 mm (4.2 in)	28.4 mm (1.1 in)	49 years	43 of 100 (Notable)
18 June 1986	Mount Phillip, AU	daily rain	49.0 mm (1.9 in)	27.7 mm (1.1 in)	17 years	42 of 100 (Notable)
18 June 1986	Presa Guaracha, MX	daily rain	65.3 mm (2.6 in)	34.6 mm (1.4 in)	37 years	42 of 100 (Notable)
18 June 1986	Tarwin Lower (Riverside), AU	daily rain	31.2 mm (1.2 in)	5.0 mm (0.20 in)	84 years	41 of 100 (Notable)
18 June 1986	Douglas, US	daily rain	68.6 mm (2.7 in)	30.8 mm (1.2 in)	49 years	41 of 100 (Notable)
18 June 1986	Midland, US	daily high min	20.6 C (69.1 F)	2.3 C (4.1 F)	87 years	40 of 100 (Notable)
18 June 1986	Onslow, AU	daily rain	38.0 mm (1.5 in)	17.2 mm (0.7 in)	65 years	39 of 100 (Notable)
18 June 1986	Wirrabara Forest, AU	daily rain	36.6 mm (1.4 in)	11.7 mm (0.5 in)	67 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

1800 to 1986

Records set or tied on this calendar date in each year from 1800 to 1986. 1986 had 862 records.

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

Records on 06-18 in each year
Year	Records
1800	1
1801	1
1802	1
1803	1
1816	1
1821	1
1823	1
1839	1
1841	1
1848	1
1855	1
1858	2
1859	1
1862	2
1865	1
1869	1
1870	1
1875	2
1876	1
1879	1
1880	1
1881	2
1882	2
1883	1
1884	1
1886	1
1888	3
1889	1
1890	3
1892	3
1893	1
1894	2
1895	3
1896	4
1897	5
1899	3
1900	4
1901	10
1902	7
1903	13
1904	5
1905	32
1906	16
1907	21
1908	20
1909	39
1910	15
1911	14
1912	25
1913	29
1914	43
1915	62
1916	29
1917	55
1918	118
1919	65
1920	53
1921	44
1922	57
1923	144
1924	108
1925	246
1926	176
1927	287
1928	205
1929	297
1930	379
1931	267
1932	219
1933	499
1934	335
1935	494
1936	549
1937	301
1938	391
1939	674
1940	620
1941	273
1942	201
1943	173
1944	726
1945	784
1946	532
1947	391
1948	421
1949	734
1950	828
1951	237
1952	435
1953	730
1954	460
1955	721
1956	373
1957	672
1958	532
1959	573
1960	394
1961	979
1962	302
1963	305
1964	840
1965	589
1966	431
1967	308
1968	556
1969	598
1970	486
1971	456
1972	334
1973	861
1974	719
1975	821
1976	508
1977	768
1978	516
1979	581
1980	447
1981	895
1982	736
1983	1,080
1984	716
1985	921
1986	862
1987	925
1988	748
1989	697
1990	795
1991	944
1992	579
1993	834
1994	1,156
1995	1,224
1996	1,004
1997	894
1998	1,600
1999	1,258
2000	1,474
2001	589
2002	1,397
2003	853
2004	1,056
2005	1,014
2006	699
2007	898
2008	628
2009	920
2010	928
2011	952
2012	832
2013	847
2014	732
2015	978
2016	787
2017	839
2018	968
2019	425
2020	572
2021	1,874
2022	1,194
2023	574
2024	1,150
2025	583
2026	830

Download the Data

Data for records on 1986-06-18: 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	637
10 to 20	35
20 to 30	18
30 to 40	8
40 to 50	0
50 to 60	2
60 to 70	1
70 to 80	1