Weather Records on 1 June 1986

1,250 weather records were set or tied worldwide on 1 June 1986. Highest significance: Trinidad, US.

Key Facts for 1 June 1986

On 1 June 1986, 1,250 weather records were set or tied at long-record stations worldwide.
784 were record highs and 158 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 55 monthly and 1,194 daily.
Trinidad set a daily record precipitation of 39.9 mm (1.6 in) on 1 June 1986.
Across 161 earlier years (1793 to 2026) the same calendar date averaged 417 records.

Record Map

1,250 stations

1,250 station records on 1 June 1986 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 1 June 1986: highest significance records shown on the map
Station	Country	Type	Value	Significance
Trinidad	United States	Record daily precipitation	39.9 mm (1.6 in)	62 of 100 (Major)
Grootfontein	South Africa	Record daily precipitation	57.0 mm (2.2 in)	53 of 100 (Notable)
Wills Pt	United States	Record daily precipitation	83.1 mm (3.3 in)	51 of 100 (Notable)
Apizaco	Mexico	Record daily precipitation	54.9 mm (2.2 in)	50 of 100 (Notable)
Hood Rvr Exp STN	United States	Record high minimum temperature	20.6 C (69.1 F)	50 of 100 (Notable)
Marion Forks Fish Hatchery	United States	Record daily precipitation	36.1 mm (1.4 in)	50 of 100 (Notable)
Arlington	United States	Record high minimum temperature	25.0 C (77.0 F)	49 of 100 (Notable)
Cimarron 4 SW	United States	Record daily precipitation	45.7 mm (1.8 in)	48 of 100 (Notable)
El Salto	Mexico	Record daily precipitation	53.8 mm (2.1 in)	47 of 100 (Notable)
Green Island	Australia	Record daily precipitation	65.4 mm (2.6 in)	46 of 100 (Notable)
Cleburne	United States	Record daily precipitation	58.2 mm (2.3 in)	46 of 100 (Notable)
Cairns Post Office	Australia	Record daily precipitation	29.0 mm (1.1 in)	45 of 100 (Notable)
Sao Joao de Petropolis	Brazil	Record daily precipitation	44.0 mm (1.7 in)	45 of 100 (Notable)
Huajintlan	Mexico	Record low maximum temperature	22.8 C (73.0 F)	45 of 100 (Notable)
Miahuatlan (Smn)	Mexico	Record daily precipitation	69.9 mm (2.8 in)	45 of 100 (Notable)
Deniliquin (Wilkinson St)	Australia	Record low maximum temperature	7.9 C (46.2 F)	44 of 100 (Notable)
Grootfontein	South Africa	Record daily precipitation	32.0 mm (1.3 in)	44 of 100 (Notable)
The Dalles	United States	Record high minimum temperature	21.1 C (70.0 F)	44 of 100 (Notable)
Polson	United States	Record high maximum temperature	33.9 C (93.0 F)	43 of 100 (Notable)
Paradise Valley 1 NW	United States	Record high minimum temperature	10.6 C (51.1 F)	42 of 100 (Notable)
Heppner	United States	Record high maximum temperature	38.9 C (102.0 F)	41 of 100 (Notable)
Zagreb-Gric	Croatia	Record low maximum temperature	11.0 C (51.8 F)	40 of 100 (Notable)
Aquiles Serdan 46	Mexico	Record daily precipitation	35.6 mm (1.4 in)	40 of 100 (Notable)
San Miguel Ejutla	Mexico	Record daily precipitation	61.0 mm (2.4 in)	40 of 100 (Notable)
Lokenburg	South Africa	Record daily precipitation	30.0 mm (1.2 in)	40 of 100 (Notable)
Laurel 3 W	United States	Record high minimum temperature	22.2 C (72.0 F)	40 of 100 (Notable)
Hillsboro	United States	Record low maximum temperature	22.8 C (73.0 F)	40 of 100 (Notable)
Logan Utah St UNIV	United States	Record high minimum temperature	16.7 C (62.1 F)	40 of 100 (Notable)
Pomeroy	United States	Record high maximum temperature	37.8 C (100.0 F)	40 of 100 (Notable)
Newman	United States	Record low minimum temperature	2.8 C (37.0 F)	39 of 100 (Notable)
Caledonia	United States	Record high maximum temperature	32.2 C (90.0 F)	39 of 100 (Notable)
Moro	United States	Record high minimum temperature	18.9 C (66.0 F)	39 of 100 (Notable)
Anna	United States	Record daily precipitation	63.8 mm (2.5 in)	39 of 100 (Notable)
Junction 4SSW	United States	Record low maximum temperature	20.6 C (69.1 F)	39 of 100 (Notable)
Yellowstone Park Mammoth	United States	Record high maximum temperature	28.9 C (84.0 F)	39 of 100 (Notable)
Des Moines	United States	Record daily precipitation	38.4 mm (1.5 in)	38 of 100 (Notable)
Klamath Falls 2 SSW	United States	Record high maximum temperature	33.3 C (91.9 F)	38 of 100 (Notable)
Bridgeport	United States	Record daily precipitation	67.8 mm (2.7 in)	38 of 100 (Notable)
Diablo Dam	United States	Record high maximum temperature	37.8 C (100.0 F)	38 of 100 (Notable)
Hambledon Mill Csr	Australia	Record daily precipitation	29.0 mm (1.1 in)	37 of 100 (Notable)
Fichtelberg	Germany	Record snow depth	18.0 cm (7.1 in)	37 of 100 (Notable)
Ingenio Tamazula	Mexico	Record low minimum temperature	5.0 C (41.0 F)	37 of 100 (Notable)
Sandpoint Exp STN	United States	Record high maximum temperature	34.4 C (93.9 F)	37 of 100 (Notable)
Saint Ignatius	United States	Record high maximum temperature	32.8 C (91.0 F)	37 of 100 (Notable)
Moro	United States	Record high maximum temperature	38.3 C (100.9 F)	37 of 100 (Notable)
Bremerton	United States	Record high minimum temperature	13.3 C (55.9 F)	37 of 100 (Notable)
Rosalia	United States	Record high maximum temperature	34.4 C (93.9 F)	37 of 100 (Notable)
Manati 2 E	Puerto Rico [United States]	Record low maximum temperature	28.3 C (82.9 F)	36 of 100 (Notable)
Weaverville	United States	Record high minimum temperature	16.7 C (62.1 F)	36 of 100 (Notable)
McCall	United States	Record high maximum temperature	30.0 C (86.0 F)	36 of 100 (Notable)
Glenwood 2WNW	United States	Record high maximum temperature	30.6 C (87.1 F)	36 of 100 (Notable)
Anaconda	United States	Record high minimum temperature	11.1 C (52.0 F)	36 of 100 (Notable)
Bozeman Montana State UNIV	United States	Record high maximum temperature	29.4 C (84.9 F)	36 of 100 (Notable)
Libby 1 NE Rs	United States	Record high maximum temperature	37.2 C (99.0 F)	36 of 100 (Notable)
Virginia City	United States	Record high minimum temperature	12.2 C (54.0 F)	36 of 100 (Notable)
Bend	United States	Record high minimum temperature	15.0 C (59.0 F)	36 of 100 (Notable)
Tahoka	United States	Record daily precipitation	45.7 mm (1.8 in)	36 of 100 (Notable)
Colfax	United States	Record high maximum temperature	36.1 C (97.0 F)	36 of 100 (Notable)
Rainier Paradise Rs	United States	Record high maximum temperature	29.4 C (84.9 F)	36 of 100 (Notable)
Elphinstone Pocket No1	Australia	Record daily precipitation	39.4 mm (1.6 in)	35 of 100 (Notable)

Counts by Type and Timescale

1,250 records

Records set or tied on 1 June 1986 by type: Highest daily maximum 439, Lowest daily maximum 93, Highest daily minimum 345, Lowest daily minimum 65, Heaviest daily rainfall 304, Heaviest daily snowfall 2, Deepest snow cover 2.

Records on 1 June 1986 by type
Record type	Records
Highest daily maximum	439
Lowest daily maximum	93
Highest daily minimum	345
Lowest daily minimum	65
Heaviest daily rainfall	304
Heaviest daily snowfall	2
Deepest snow cover	2

Records on 1 June 1986 by timescale: all-time 1, monthly 55, daily 1,194.

How Much Records Were Beaten By

1,002 broken records

Margins by which the 1,002 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 90.0. Ties are not counted.

Top 20 by Significance

1 June 1986

Top 20 records on 1 June 1986 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
1 June 1986	Trinidad, US	daily rain	39.9 mm (1.6 in)	25.9 mm (1.0 in)	64 years	62 of 100 (Major)
1 June 1986	Grootfontein, ZA	monthly rain	57.0 mm (2.2 in)	17.4 mm (0.7 in)	50 years	53 of 100 (Notable)
1 June 1986	Wills Pt, US	daily rain	83.1 mm (3.3 in)	38.9 mm (1.5 in)	80 years	51 of 100 (Notable)
1 June 1986	Apizaco, MX	daily rain	54.9 mm (2.2 in)	34.3 mm (1.4 in)	31 years	50 of 100 (Notable)
1 June 1986	Hood Rvr Exp STN, US	daily high min	20.6 C (69.1 F)	5.6 C (10.1 F)	80 years	50 of 100 (Notable)
1 June 1986	Marion Forks Fish Hatchery, US	daily rain	36.1 mm (1.4 in)	28.2 mm (1.1 in)	32 years	50 of 100 (Notable)
1 June 1986	Arlington, US	daily high min	25.0 C (77.0 F)	5.6 C (10.1 F)	85 years	49 of 100 (Notable)
1 June 1986	Cimarron 4 SW, US	daily rain	45.7 mm (1.8 in)	34.0 mm (1.3 in)	4 years	48 of 100 (Notable)
1 June 1986	El Salto, MX	daily rain	53.8 mm (2.1 in)	40.3 mm (1.6 in)	16 years	47 of 100 (Notable)
1 June 1986	Green Island, AU	daily rain	65.4 mm (2.6 in)	39.2 mm (1.5 in)	28 years	46 of 100 (Notable)
1 June 1986	Cleburne, US	daily rain	58.2 mm (2.3 in)	35.6 mm (1.4 in)	64 years	46 of 100 (Notable)
1 June 1986	Cairns Post Office, AU	daily rain	29.0 mm (1.1 in)	12.5 mm (0.5 in)	85 years	45 of 100 (Notable)
1 June 1986	Sao Joao de Petropolis, BR	daily rain	44.0 mm (1.7 in)	38.0 mm (1.5 in)	4 years	45 of 100 (Notable)
1 June 1986	Huajintlan, MX	daily low max	22.8 C (73.0 F)	7.2 C (13.0 F)	60 years	45 of 100 (Notable)
1 June 1986	Miahuatlan (Smn), MX	daily rain	69.9 mm (2.8 in)	39.9 mm (1.6 in)	35 years	45 of 100 (Notable)
1 June 1986	Deniliquin (Wilkinson St), AU	daily low max	7.9 C (46.2 F)	1.2 C (2.2 F)	105 years	44 of 100 (Notable)
1 June 1986	Grootfontein, ZA	monthly rain	32.0 mm (1.3 in)	11.0 mm (0.4 in)	18 years	44 of 100 (Notable)
1 June 1986	The Dalles, US	daily high min	21.1 C (70.0 F)	4.4 C (7.9 F)	75 years	44 of 100 (Notable)
1 June 1986	Polson, US	daily high max	33.9 C (93.0 F)	6.1 C (11.0 F)	79 years	43 of 100 (Notable)
1 June 1986	Paradise Valley 1 NW, US	daily high min	10.6 C (51.1 F)	2.3 C (4.1 F)	91 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

1793 to 1986

Records set or tied on this calendar date in each year from 1793 to 1986. 1986 had 1,250 records.

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

Records on 06-01 in each year
Year	Records
1793	1
1810	1
1811	1
1827	1
1836	1
1844	1
1845	1
1849	1
1853	2
1854	1
1857	1
1858	1
1865	1
1867	1
1868	3
1871	1
1873	2
1874	1
1877	1
1879	3
1884	2
1886	3
1887	2
1888	1
1889	6
1890	6
1891	2
1892	3
1893	4
1894	4
1895	7
1896	2
1897	10
1898	4
1899	1
1900	3
1901	7
1902	7
1903	15
1904	14
1905	10
1906	6
1907	22
1908	6
1909	29
1910	28
1911	17
1912	22
1913	25
1914	16
1915	21
1916	44
1917	29
1918	51
1919	52
1920	254
1921	39
1922	36
1923	149
1924	113
1925	216
1926	141
1927	144
1928	94
1929	159
1930	635
1931	268
1932	101
1933	434
1934	842
1935	145
1936	515
1937	450
1938	391
1939	492
1940	345
1941	356
1942	211
1943	745
1944	498
1945	757
1946	611
1947	424
1948	367
1949	347
1950	359
1951	695
1952	319
1953	422
1954	430
1955	562
1956	800
1957	382
1958	295
1959	476
1960	294
1961	363
1962	526
1963	215
1964	768
1965	291
1966	1,074
1967	884
1968	370
1969	453
1970	614
1971	667
1972	991
1973	396
1974	443
1975	794
1976	531
1977	754
1978	768
1979	953
1980	574
1981	1,009
1982	855
1983	908
1984	1,238
1985	673
1986	1,250
1987	730
1988	1,043
1989	751
1990	852
1991	1,346
1992	1,033
1993	1,074
1994	732
1995	736
1996	686
1997	1,222
1998	1,250
1999	752
2000	1,147
2001	1,076
2002	1,114
2003	841
2004	791
2005	751
2006	988
2007	744
2008	765
2009	650
2010	776
2011	1,267
2012	948
2013	1,344
2014	757
2015	766
2016	554
2017	428
2018	1,093
2019	320
2020	675
2021	913
2022	604
2023	663
2024	652
2025	890
2026	471

Download the Data

Data for records on 1986-06-01: 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 20	969
20 to 40	26
40 to 60	6
60 to 80	0
80 to 100	1