Weather Records on 21 June 1986

601 weather records were set or tied worldwide on 21 June 1986. Highest significance: Vologda, RU.

Key Facts for 21 June 1986

On 21 June 1986, 601 weather records were set or tied at long-record stations worldwide.
269 were record highs and 159 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 12 monthly and 588 daily.
Vologda set a monthly record daily precipitation of 54.8 mm (2.2 in) on 21 June 1986.
Across 165 earlier years (1802 to 2026) the same calendar date averaged 430 records.

Record Map

601 stations

601 station records on 21 June 1986 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 June 1986: highest significance records shown on the map
Station	Country	Type	Value	Significance
Vologda	Russia	Record daily precipitation	54.8 mm (2.2 in)	56 of 100 (Notable)
Itasca UNIV of Minn	United States	Record daily precipitation	116.6 mm (4.6 in)	52 of 100 (Notable)
St James Wwtp	United States	Record daily precipitation	114.3 mm (4.5 in)	47 of 100 (Notable)
Hansboro 4 NNE	United States	Record daily precipitation	48.8 mm (1.9 in)	47 of 100 (Notable)
Nikolo-Poloma	Russia	Record daily precipitation	31.7 mm (1.2 in)	46 of 100 (Notable)
Semonaiha	Kazakhstan	Record daily precipitation	32.0 mm (1.3 in)	45 of 100 (Notable)
Rolla 1NE	United States	Record daily precipitation	50.8 mm (2.0 in)	45 of 100 (Notable)
Ganca	Azerbaijan	Record low maximum temperature	14.6 C (58.3 F)	44 of 100 (Notable)
St Peter	United States	Record daily precipitation	57.2 mm (2.3 in)	43 of 100 (Notable)
Vytegra	Russia	Record daily precipitation	53.4 mm (2.1 in)	42 of 100 (Notable)
Humboldt 3 W	United States	Record daily precipitation	56.4 mm (2.2 in)	41 of 100 (Notable)
Benson	United States	Record daily precipitation	63.0 mm (2.5 in)	41 of 100 (Notable)
Ft Ross	United States	Record low minimum temperature	4.4 C (39.9 F)	40 of 100 (Notable)
Taunton	United States	Record low minimum temperature	-1.7 C (28.9 F)	40 of 100 (Notable)
Le Ctr 2 SE	United States	Record daily precipitation	53.1 mm (2.1 in)	40 of 100 (Notable)
Pascagoula 3 NE	United States	Record daily precipitation	59.7 mm (2.4 in)	39 of 100 (Notable)
Midland Odessa	United States	Record daily precipitation	51.3 mm (2.0 in)	39 of 100 (Notable)
Kit Carson	United States	Record daily precipitation	38.9 mm (1.5 in)	37 of 100 (Notable)
Carroll	United States	Record high minimum temperature	22.8 C (73.0 F)	37 of 100 (Notable)
Newton	United States	Record high minimum temperature	26.7 C (80.1 F)	37 of 100 (Notable)
Plattsburgh AFB	United States	Record low minimum temperature	5.6 C (42.1 F)	37 of 100 (Notable)
Superior	United States	Record daily precipitation	47.5 mm (1.9 in)	37 of 100 (Notable)
Yerevan	Armenia	Record low maximum temperature	16.2 C (61.2 F)	36 of 100 (Notable)
Odzun	Armenia	Record daily precipitation	40.1 mm (1.6 in)	35 of 100 (Notable)
Glomfjord	Norway	Record daily precipitation	34.9 mm (1.4 in)	35 of 100 (Notable)
Sibley	United States	Record daily precipitation	27.2 mm (1.1 in)	35 of 100 (Notable)
Hutchinson 1 N	United States	Record high maximum temperature	32.2 C (90.0 F)	35 of 100 (Notable)
Rockhampton Aero	Australia	Record low maximum temperature	14.0 C (57.2 F)	34 of 100 (Routine)
San Juanillo	Mexico	Record high minimum temperature	30.6 C (87.1 F)	34 of 100 (Routine)
Harlan	United States	Record high minimum temperature	23.3 C (73.9 F)	34 of 100 (Routine)
Presque Isle	United States	Record low minimum temperature	1.1 C (34.0 F)	34 of 100 (Routine)
Tekamah	United States	Record high minimum temperature	23.9 C (75.0 F)	34 of 100 (Routine)
Caledonia	United States	Record high minimum temperature	20.6 C (69.1 F)	33 of 100 (Routine)
Standard	United States	Record daily precipitation	59.7 mm (2.4 in)	33 of 100 (Routine)
Weeping Water	United States	Record high minimum temperature	24.4 C (75.9 F)	33 of 100 (Routine)
Lake Placid 2 S	United States	Record low minimum temperature	1.1 C (34.0 F)	33 of 100 (Routine)
Gavar	Armenia	Record daily precipitation	40.1 mm (1.6 in)	32 of 100 (Routine)
Kislovodsk	Russia	Record low minimum temperature	4.9 C (40.8 F)	32 of 100 (Routine)
Estherville 4E	United States	Record daily precipitation	33.5 mm (1.3 in)	32 of 100 (Routine)
Ph Wainiha 1115	United States	Record daily precipitation	75.2 mm (3.0 in)	32 of 100 (Routine)
Rochester Intl AP	United States	Record daily precipitation	48.0 mm (1.9 in)	32 of 100 (Routine)
Yanykh	Armenia	Record daily precipitation	25.0 mm (1.0 in)	30 of 100 (Routine)
Zharkent	Kazakhstan	Record high minimum temperature	21.3 C (70.3 F)	30 of 100 (Routine)
Villa Guerrero	Mexico	Record daily precipitation	63.0 mm (2.5 in)	30 of 100 (Routine)
Huingo	Mexico	Record daily precipitation	25.1 mm (1.0 in)	30 of 100 (Routine)
Alicia 2 NNE	United States	Record high maximum temperature	37.2 C (99.0 F)	30 of 100 (Routine)
Happy Camp Rs	United States	Record low minimum temperature	0.0 C (32.0 F)	30 of 100 (Routine)
Glen St Mary 1 W	United States	Record daily precipitation	50.8 mm (2.0 in)	30 of 100 (Routine)
Chambarak	Armenia	Record daily precipitation	26.4 mm (1.0 in)	29 of 100 (Routine)
Shorja	Armenia	Record daily precipitation	25.1 mm (1.0 in)	29 of 100 (Routine)
Sisian	Armenia	Record daily precipitation	25.0 mm (1.0 in)	29 of 100 (Routine)
Prairie du Chien	United States	Record high minimum temperature	22.8 C (73.0 F)	29 of 100 (Routine)
Tbilisi	Georgia	Record low maximum temperature	17.6 C (63.7 F)	28 of 100 (Routine)
Glennville 3NW	United States	Record high minimum temperature	25.6 C (78.1 F)	28 of 100 (Routine)
Cass Lake	United States	Record daily precipitation	76.2 mm (3.0 in)	28 of 100 (Routine)
Westhope	United States	Record daily precipitation	50.8 mm (2.0 in)	28 of 100 (Routine)
Red Bluff Dam	United States	Record daily precipitation	47.2 mm (1.9 in)	27 of 100 (Routine)
Seminole	United States	Record daily precipitation	50.3 mm (2.0 in)	27 of 100 (Routine)
Trostberg	Germany	Record high minimum temperature	18.4 C (65.1 F)	26 of 100 (Routine)
Huamuxtitlan (Dge)	Mexico	Record daily precipitation	50.8 mm (2.0 in)	26 of 100 (Routine)

Counts by Type and Timescale

601 records

Records set or tied on 21 June 1986 by type: Highest daily maximum 83, Lowest daily maximum 57, Highest daily minimum 186, Lowest daily minimum 102, Heaviest daily rainfall 173.

Records on 21 June 1986 by type
Record type	Records
Highest daily maximum	83
Lowest daily maximum	57
Highest daily minimum	186
Lowest daily minimum	102
Heaviest daily rainfall	173
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 21 June 1986 by timescale: all-time 1, monthly 12, daily 588.

How Much Records Were Beaten By

480 broken records

Margins by which the 480 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 84.6. Ties are not counted.

Top 20 by Significance

21 June 1986

Top 20 records on 21 June 1986 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 June 1986	Vologda, RU	monthly rain	54.8 mm (2.2 in)	19.6 mm (0.8 in)	31 years	56 of 100 (Notable)
21 June 1986	Itasca UNIV of Minn, US	daily rain	116.6 mm (4.6 in)	65.8 mm (2.6 in)	17 years	52 of 100 (Notable)
21 June 1986	St James Wwtp, US	daily rain	114.3 mm (4.5 in)	84.6 mm (3.3 in)	11 years	47 of 100 (Notable)
21 June 1986	Hansboro 4 NNE, US	daily rain	48.8 mm (1.9 in)	23.4 mm (0.9 in)	67 years	47 of 100 (Notable)
21 June 1986	Nikolo-Poloma, RU	daily rain	31.7 mm (1.2 in)	22.8 mm (0.9 in)	32 years	46 of 100 (Notable)
21 June 1986	Semonaiha, KZ	daily rain	32.0 mm (1.3 in)	23.5 mm (0.9 in)	1 year	45 of 100 (Notable)
21 June 1986	Rolla 1NE, US	daily rain	50.8 mm (2.0 in)	25.4 mm (1.0 in)	47 years	45 of 100 (Notable)
21 June 1986	Ganca, AZ	daily low max	14.6 C (58.3 F)	4.9 C (8.8 F)	75 years	44 of 100 (Notable)
21 June 1986	St Peter, US	daily rain	57.2 mm (2.3 in)	29.8 mm (1.2 in)	52 years	43 of 100 (Notable)
21 June 1986	Vytegra, RU	monthly rain	53.4 mm (2.1 in)	7.7 mm (0.30 in)	33 years	42 of 100 (Notable)
21 June 1986	Humboldt 3 W, US	daily rain	56.4 mm (2.2 in)	22.4 mm (0.9 in)	61 years	41 of 100 (Notable)
21 June 1986	Benson, US	daily rain	63.0 mm (2.5 in)	43.7 mm (1.7 in)	17 years	41 of 100 (Notable)
21 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)
21 June 1986	Taunton, US	monthly low min	-1.7 C (28.9 F)	0.6 C (1.1 F)	68 years	40 of 100 (Notable)
21 June 1986	Le Ctr 2 SE, US	daily rain	53.1 mm (2.1 in)	35.1 mm (1.4 in)	36 years	40 of 100 (Notable)
21 June 1986	Pascagoula 3 NE, US	daily rain	59.7 mm (2.4 in)	24.1 mm (0.9 in)	75 years	39 of 100 (Notable)
21 June 1986	Midland Odessa, US	daily rain	51.3 mm (2.0 in)	41.1 mm (1.6 in)	16 years	39 of 100 (Notable)
21 June 1986	Kit Carson, US	daily rain	38.9 mm (1.5 in)	18.1 mm (0.7 in)	35 years	37 of 100 (Notable)
21 June 1986	Carroll, US	daily high min	22.8 C (73.0 F)	0.6 C (1.1 F)	92 years	37 of 100 (Notable)
21 June 1986	Newton, US	daily high min	26.7 C (80.1 F)	2.8 C (5.0 F)	72 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

1802 to 1986

Records set or tied on this calendar date in each year from 1802 to 1986. 1986 had 601 records.

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

Records on 06-21 in each year
Year	Records
1802	1
1803	2
1805	1
1814	1
1821	3
1828	1
1831	1
1839	2
1846	1
1853	1
1855	1
1861	3
1865	1
1868	1
1869	4
1870	3
1871	1
1873	1
1874	1
1875	2
1879	1
1880	1
1881	1
1882	1
1883	1
1884	2
1885	1
1886	3
1887	1
1888	3
1889	1
1891	1
1892	2
1893	7
1895	6
1896	3
1897	3
1898	6
1899	6
1900	6
1901	5
1902	20
1903	15
1904	7
1905	14
1906	19
1907	15
1908	20
1909	19
1910	36
1911	12
1912	14
1913	34
1914	24
1915	40
1916	80
1917	97
1918	77
1919	32
1920	42
1921	85
1922	43
1923	229
1924	124
1925	333
1926	162
1927	146
1928	139
1929	84
1930	177
1931	340
1932	180
1933	645
1934	223
1935	247
1936	642
1937	475
1938	396
1939	250
1940	674
1941	401
1942	340
1943	439
1944	426
1945	709
1946	386
1947	637
1948	392
1949	391
1950	329
1951	347
1952	502
1953	761
1954	501
1955	271
1956	534
1957	932
1958	627
1959	356
1960	471
1961	956
1962	176
1963	667
1964	458
1965	400
1966	467
1967	789
1968	654
1969	687
1970	614
1971	394
1972	934
1973	683
1974	598
1975	996
1976	746
1977	476
1978	368
1979	857
1980	677
1981	889
1982	658
1983	752
1984	913
1985	516
1986	601
1987	940
1988	1,834
1989	856
1990	847
1991	1,067
1992	1,679
1993	939
1994	777
1995	978
1996	1,075
1997	1,037
1998	1,746
1999	994
2000	1,212
2001	658
2002	828
2003	1,034
2004	697
2005	1,090
2006	774
2007	1,085
2008	580
2009	1,060
2010	852
2011	1,340
2012	1,151
2013	571
2014	434
2015	707
2016	877
2017	954
2018	577
2019	969
2020	519
2021	1,132
2022	774
2023	987
2024	679
2025	1,536
2026	736

Download the Data

Data for records on 1986-06-21: 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 2026-10-13 (13 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Margin	Records
0 to 20	457
20 to 40	19
40 to 60	2
60 to 80	1
80 to 100	1