Weather Records on 20 June 1986

732 weather records were set or tied worldwide on 20 June 1986. Highest significance: Tempe Downs, AU.

Key Facts for 20 June 1986

On 20 June 1986, 732 weather records were set or tied at long-record stations worldwide.
318 were record highs and 123 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 8 monthly and 723 daily.
Tempe Downs set a daily record precipitation of 35.0 mm (1.4 in) on 20 June 1986.
Across 158 earlier years (1800 to 2026) the same calendar date averaged 456 records.

Record Map

732 stations

732 station records on 20 June 1986 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 June 1986: highest significance records shown on the map
Station	Country	Type	Value	Significance
Tempe Downs	Australia	Record daily precipitation	35.0 mm (1.4 in)	68 of 100 (Major)
Wellfleet	United States	Record daily precipitation	82.8 mm (3.3 in)	59 of 100 (Notable)
Alpine	United States	Record daily precipitation	62.5 mm (2.5 in)	49 of 100 (Notable)
Hermannsburg	Australia	Record daily precipitation	29.8 mm (1.2 in)	45 of 100 (Notable)
Vondelingsfontein	South Africa	Record daily precipitation	41.8 mm (1.6 in)	45 of 100 (Notable)
Brest-Guipavas	France	Record daily precipitation	28.8 mm (1.1 in)	44 of 100 (Notable)
Peterboro 2 S	United States	Record daily precipitation	27.9 mm (1.1 in)	44 of 100 (Notable)
San Jose de Raices	Mexico	Record daily precipitation	26.9 mm (1.1 in)	43 of 100 (Notable)
Lima Wwtp	United States	Record daily precipitation	27.4 mm (1.1 in)	43 of 100 (Notable)
San Francisco (Smn)	Mexico	Record daily precipitation	46.0 mm (1.8 in)	42 of 100 (Notable)
Millington 3 SE	United States	Record daily precipitation	36.3 mm (1.4 in)	42 of 100 (Notable)
Campbell	United States	Record high minimum temperature	22.8 C (73.0 F)	42 of 100 (Notable)
Webster	United States	Record high minimum temperature	20.6 C (69.1 F)	41 of 100 (Notable)
Zaragoza Aeropuerto	Spain	Record daily precipitation	64.5 mm (2.5 in)	40 of 100 (Notable)
Marlinton	United States	Record low minimum temperature	5.6 C (42.1 F)	39 of 100 (Notable)
Willmar Wwtp	United States	Record high minimum temperature	22.2 C (72.0 F)	38 of 100 (Notable)
Flandreau	United States	Record high minimum temperature	21.7 C (71.1 F)	38 of 100 (Notable)
Johvi	Estonia	Record daily precipitation	29.0 mm (1.1 in)	37 of 100 (Notable)
Molina de Aragon	Spain	Record daily precipitation	36.2 mm (1.4 in)	37 of 100 (Notable)
Ocala	United States	Record low maximum temperature	26.7 C (80.1 F)	37 of 100 (Notable)
Forestburg 4 NNE	United States	Record high minimum temperature	22.2 C (72.0 F)	37 of 100 (Notable)
Central Michigan UNIV	United States	Record daily precipitation	39.4 mm (1.6 in)	36 of 100 (Notable)
Towner 2 NE	United States	Record high maximum temperature	37.2 C (99.0 F)	36 of 100 (Notable)
Kailua 446	United States	Record daily precipitation	31.2 mm (1.2 in)	36 of 100 (Notable)
Bolonchen	Mexico	Record high minimum temperature	26.7 C (80.1 F)	35 of 100 (Notable)
Dudinka	Russia	Record high minimum temperature	15.2 C (59.4 F)	35 of 100 (Notable)
Live Oak	United States	Record daily precipitation	52.3 mm (2.1 in)	35 of 100 (Notable)
Belle Ile - le Talut	France	Record daily precipitation	25.2 mm (1.0 in)	34 of 100 (Routine)
Hutchinson 1 N	United States	Record high minimum temperature	22.2 C (72.0 F)	34 of 100 (Routine)
West Milton	United States	Record daily precipitation	38.9 mm (1.5 in)	34 of 100 (Routine)
Boulia Airport	Australia	Record low maximum temperature	12.4 C (54.3 F)	33 of 100 (Routine)
Greeley	United States	Record high minimum temperature	21.7 C (71.1 F)	33 of 100 (Routine)
Merriman	United States	Record daily precipitation	30.7 mm (1.2 in)	33 of 100 (Routine)
Northville	United States	Record daily precipitation	38.1 mm (1.5 in)	33 of 100 (Routine)
Plauen	Germany	Record daily precipitation	51.1 mm (2.0 in)	32 of 100 (Routine)
Creel (Cfe)	Mexico	Record low maximum temperature	20.6 C (69.1 F)	32 of 100 (Routine)
Bonners Ferry	United States	Record low minimum temperature	2.2 C (36.0 F)	32 of 100 (Routine)
Grafton	United States	Record daily precipitation	48.0 mm (1.9 in)	32 of 100 (Routine)
Piqua	United States	Record daily precipitation	38.6 mm (1.5 in)	32 of 100 (Routine)
Geisenheim	Germany	Record high minimum temperature	19.6 C (67.3 F)	31 of 100 (Routine)
Verona Villafranca	Italy	Record daily precipitation	25.6 mm (1.0 in)	31 of 100 (Routine)
Laguna del Fresno	Mexico	Record low minimum temperature	6.7 C (44.1 F)	31 of 100 (Routine)
El Salto (Cfe)	Mexico	Record daily precipitation	117.9 mm (4.6 in)	31 of 100 (Routine)
Halmstad	Sweden	Record low maximum temperature	14.1 C (57.4 F)	31 of 100 (Routine)
Saratoga Springs 4 SW	United States	Record daily precipitation	39.6 mm (1.6 in)	31 of 100 (Routine)
Park River	United States	Record high minimum temperature	17.2 C (63.0 F)	31 of 100 (Routine)
Rock Rapids	United States	Record high minimum temperature	22.8 C (73.0 F)	30 of 100 (Routine)
Taunton	United States	Record low minimum temperature	1.1 C (34.0 F)	30 of 100 (Routine)
Moorefield	United States	Record daily precipitation	63.8 mm (2.5 in)	30 of 100 (Routine)
Fredericktown 4 S	United States	Record daily precipitation	54.6 mm (2.1 in)	30 of 100 (Routine)
Hazelwood North	Australia	Record daily precipitation	27.4 mm (1.1 in)	29 of 100 (Routine)
Kaiserslautern	Germany	Record high minimum temperature	18.2 C (64.8 F)	29 of 100 (Routine)
Bilbao Aeropuerto	Spain	Record daily precipitation	35.9 mm (1.4 in)	29 of 100 (Routine)
Norton 9SSE	United States	Record daily precipitation	42.9 mm (1.7 in)	29 of 100 (Routine)
Edward Macdowell Lake	United States	Record daily precipitation	30.5 mm (1.2 in)	29 of 100 (Routine)
Broadalbin	United States	Record daily precipitation	42.7 mm (1.7 in)	29 of 100 (Routine)
Wentworth 2.5 WNW	United States	Record high minimum temperature	20.6 C (69.1 F)	29 of 100 (Routine)
Yibin	China	Record daily precipitation	50.6 mm (2.0 in)	28 of 100 (Routine)
Buenavista de Loreto	Mexico	Record high maximum temperature	41.1 C (106.0 F)	28 of 100 (Routine)
Beregovo	Ukraine	Record daily precipitation	33.0 mm (1.3 in)	28 of 100 (Routine)

Counts by Type and Timescale

732 records

Records set or tied on 20 June 1986 by type: Highest daily maximum 95, Lowest daily maximum 60, Highest daily minimum 223, Lowest daily minimum 63, Heaviest daily rainfall 291.

Records on 20 June 1986 by type
Record type	Records
Highest daily maximum	95
Lowest daily maximum	60
Highest daily minimum	223
Lowest daily minimum	63
Heaviest daily rainfall	291
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 20 June 1986 by timescale: all-time 1, monthly 8, daily 723.

How Much Records Were Beaten By

592 broken records

Margins by which the 592 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 57.1. Ties are not counted.

Top 20 by Significance

20 June 1986

Top 20 records on 20 June 1986 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 June 1986	Tempe Downs, AU	daily rain	35.0 mm (1.4 in)	24.8 mm (1.0 in)	98 years	68 of 100 (Major)
20 June 1986	Wellfleet, US	daily rain	82.8 mm (3.3 in)	57.1 mm (2.2 in)	37 years	59 of 100 (Notable)
20 June 1986	Alpine, US	daily rain	62.5 mm (2.5 in)	41.2 mm (1.6 in)	7 years	49 of 100 (Notable)
20 June 1986	Hermannsburg, AU	daily rain	29.8 mm (1.2 in)	9.2 mm (0.36 in)	85 years	45 of 100 (Notable)
20 June 1986	Vondelingsfontein, ZA	daily rain	41.8 mm (1.6 in)	26.6 mm (1.0 in)	36 years	45 of 100 (Notable)
20 June 1986	Brest-Guipavas, FR	daily rain	28.8 mm (1.1 in)	22.8 mm (0.9 in)	0 years	44 of 100 (Notable)
20 June 1986	Peterboro 2 S, US	daily rain	27.9 mm (1.1 in)	10.1 mm (0.4 in)	86 years	44 of 100 (Notable)
20 June 1986	San Jose de Raices, MX	daily rain	26.9 mm (1.1 in)	20.0 mm (0.8 in)	36 years	43 of 100 (Notable)
20 June 1986	Lima Wwtp, US	daily rain	27.4 mm (1.1 in)	11.9 mm (0.5 in)	84 years	43 of 100 (Notable)
20 June 1986	San Francisco (Smn), MX	daily rain	46.0 mm (1.8 in)	29.7 mm (1.2 in)	1 year	42 of 100 (Notable)
20 June 1986	Millington 3 SE, US	daily rain	36.3 mm (1.4 in)	13.4 mm (0.5 in)	72 years	42 of 100 (Notable)
20 June 1986	Campbell, US	daily high min	22.8 C (73.0 F)	2.8 C (5.0 F)	91 years	42 of 100 (Notable)
20 June 1986	Webster, US	daily high min	20.6 C (69.1 F)	2.3 C (4.1 F)	91 years	41 of 100 (Notable)
20 June 1986	Zaragoza Aeropuerto, ES	monthly rain	64.5 mm (2.5 in)	12.8 mm (0.5 in)	26 years	40 of 100 (Notable)
20 June 1986	Marlinton, US	daily low min	5.6 C (42.1 F)	1.6 C (2.9 F)	87 years	39 of 100 (Notable)
20 June 1986	Willmar Wwtp, US	daily high min	22.2 C (72.0 F)	1.1 C (2.0 F)	91 years	38 of 100 (Notable)
20 June 1986	Flandreau, US	daily high min	21.7 C (71.1 F)	1.1 C (2.0 F)	92 years	38 of 100 (Notable)
20 June 1986	Johvi, EE	daily rain	29.0 mm (1.1 in)	16.9 mm (0.7 in)	9 years	37 of 100 (Notable)
20 June 1986	Molina de Aragon, ES	daily rain	36.2 mm (1.4 in)	20.1 mm (0.8 in)	21 years	37 of 100 (Notable)
20 June 1986	Ocala, US	daily low max	26.7 C (80.1 F)	0.5 C (0.9 F)	89 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

1800 to 1986

Records set or tied on this calendar date in each year from 1800 to 1986. 1986 had 732 records.

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

Records on 06-20 in each year
Year	Records
1800	1
1803	1
1813	1
1821	2
1838	1
1839	1
1841	1
1844	1
1846	2
1847	1
1850	1
1855	2
1857	1
1861	1
1865	2
1867	1
1869	2
1872	1
1873	1
1877	2
1879	1
1884	1
1886	2
1887	2
1891	2
1892	2
1893	2
1895	4
1896	3
1897	6
1898	3
1899	6
1900	4
1901	5
1902	7
1903	22
1904	13
1905	14
1906	18
1907	10
1908	30
1909	9
1910	27
1911	27
1912	17
1913	30
1914	53
1915	75
1916	83
1917	96
1918	54
1919	67
1920	40
1921	42
1922	61
1923	263
1924	204
1925	483
1926	228
1927	193
1928	199
1929	137
1930	143
1931	536
1932	182
1933	676
1934	301
1935	337
1936	529
1937	412
1938	326
1939	270
1940	469
1941	200
1942	757
1943	447
1944	315
1945	769
1946	849
1947	387
1948	554
1949	314
1950	328
1951	289
1952	318
1953	998
1954	414
1955	291
1956	484
1957	598
1958	603
1959	504
1960	451
1961	836
1962	173
1963	379
1964	729
1965	463
1966	441
1967	687
1968	559
1969	982
1970	482
1971	395
1972	660
1973	553
1974	743
1975	984
1976	899
1977	453
1978	480
1979	727
1980	922
1981	987
1982	801
1983	724
1984	686
1985	811
1986	732
1987	960
1988	1,222
1989	918
1990	899
1991	1,085
1992	1,049
1993	964
1994	925
1995	1,260
1996	1,123
1997	738
1998	1,627
1999	906
2000	1,328
2001	771
2002	955
2003	843
2004	1,071
2005	1,055
2006	820
2007	1,208
2008	669
2009	1,060
2010	865
2011	1,359
2012	1,045
2013	879
2014	381
2015	637
2016	1,352
2017	1,086
2018	635
2019	693
2020	590
2021	1,161
2022	972
2023	1,265
2024	783
2025	944
2026	757

Download the Data

Data for records on 1986-06-20: 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	514
10 to 20	51
20 to 30	19
30 to 40	5
40 to 50	2
50 to 60	1