Weather Records on 21 June 1984

913 weather records were set or tied worldwide on 21 June 1984. Highest significance: Lien I Selbu, NO.

Key Facts for 21 June 1984

On 21 June 1984, 913 weather records were set or tied at long-record stations worldwide.
155 were record highs and 244 were record lows, counting maximum and minimum temperature.
By timescale, 4 were all-time records, 28 monthly and 881 daily.
Lien I Selbu set a daily record precipitation of 36.0 mm (1.4 in) on 21 June 1984.
Across 165 earlier years (1802 to 2026) the same calendar date averaged 428 records.

Record Map

913 stations

913 station records on 21 June 1984 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 June 1984: highest significance records shown on the map
Station	Country	Type	Value	Significance
Lien I Selbu	Norway	Record daily precipitation	36.0 mm (1.4 in)	72 of 100 (Major)
Headworks Portland Wtr B	United States	Record daily precipitation	61.7 mm (2.4 in)	69 of 100 (Major)
Kjobli I Snaasa	Norway	Record daily precipitation	36.4 mm (1.4 in)	67 of 100 (Major)
Waterville	United States	Record daily precipitation	50.8 mm (2.0 in)	65 of 100 (Major)
Poortjie	South Africa	Record daily precipitation	26.5 mm (1.0 in)	56 of 100 (Notable)
Wauna 3 W	United States	Record daily precipitation	32.5 mm (1.3 in)	56 of 100 (Notable)
Ostas I Hegra	Norway	Record daily precipitation	30.0 mm (1.2 in)	55 of 100 (Notable)
Vaernes	Norway	Record daily precipitation	26.5 mm (1.0 in)	55 of 100 (Notable)
Volciha	Russia	Record daily precipitation	36.2 mm (1.4 in)	54 of 100 (Notable)
Bremerton	United States	Record daily precipitation	28.4 mm (1.1 in)	54 of 100 (Notable)
Nord-Rana	Norway	Record daily precipitation	32.5 mm (1.3 in)	53 of 100 (Notable)
Baksjonaset	Sweden	Record daily precipitation	32.0 mm (1.3 in)	53 of 100 (Notable)
Miller	United States	Record daily precipitation	61.5 mm (2.4 in)	53 of 100 (Notable)
Wenatchee	United States	Record daily precipitation	31.2 mm (1.2 in)	53 of 100 (Notable)
Lauda-Konigshofen-Gerlachsheim	Germany	Record daily precipitation	76.1 mm (3.0 in)	52 of 100 (Notable)
Susendal	Norway	Record daily precipitation	33.2 mm (1.3 in)	52 of 100 (Notable)
Holley	United States	Record daily precipitation	33.8 mm (1.3 in)	51 of 100 (Notable)
Groenvlei (Skl)	South Africa	Record daily precipitation	30.0 mm (1.2 in)	50 of 100 (Notable)
Forest Grove	United States	Record daily precipitation	27.7 mm (1.1 in)	50 of 100 (Notable)
Alpine	United States	Record daily precipitation	57.2 mm (2.3 in)	50 of 100 (Notable)
Mud Mtn Dam	United States	Record daily precipitation	45.7 mm (1.8 in)	50 of 100 (Notable)
Yathroo	Australia	Record daily precipitation	124.0 mm (4.9 in)	49 of 100 (Notable)
Bad-Neunkirchen Mergentheim	Germany	Record daily precipitation	39.1 mm (1.5 in)	49 of 100 (Notable)
Ljungdalen	Sweden	Record daily precipitation	38.8 mm (1.5 in)	49 of 100 (Notable)
Polson	United States	Record daily precipitation	26.7 mm (1.1 in)	49 of 100 (Notable)
McMillin Rsvr	United States	Record daily precipitation	46.7 mm (1.8 in)	49 of 100 (Notable)
Stevens Pass	United States	Record daily precipitation	47.2 mm (1.9 in)	49 of 100 (Notable)
Axtell	United States	Record daily precipitation	86.4 mm (3.4 in)	48 of 100 (Notable)
Armour	United States	Record daily precipitation	85.9 mm (3.4 in)	48 of 100 (Notable)
Highmore	United States	Record daily precipitation	120.7 mm (4.8 in)	48 of 100 (Notable)
Charlottenberg	Sweden	Record daily precipitation	35.7 mm (1.4 in)	47 of 100 (Notable)
Vancouver 4 NNE	United States	Record daily precipitation	31.5 mm (1.2 in)	47 of 100 (Notable)
Karasuk	Russia	Record daily precipitation	34.3 mm (1.4 in)	46 of 100 (Notable)
Waterkloof	South Africa	Record daily precipitation	31.5 mm (1.2 in)	46 of 100 (Notable)
Ljusnedal	Sweden	Record daily precipitation	31.6 mm (1.2 in)	46 of 100 (Notable)
Bonners Ferry	United States	Record daily precipitation	31.5 mm (1.2 in)	46 of 100 (Notable)
Coeur D'Alene	United States	Record daily precipitation	31.0 mm (1.2 in)	46 of 100 (Notable)
Priest Rvr Exp STN	United States	Record daily precipitation	36.3 mm (1.4 in)	46 of 100 (Notable)
Lincoln Rs	United States	Record daily precipitation	44.2 mm (1.7 in)	46 of 100 (Notable)
Longview	United States	Record daily precipitation	30.0 mm (1.2 in)	46 of 100 (Notable)
Sandnas	Sweden	Record daily precipitation	31.5 mm (1.2 in)	45 of 100 (Notable)
Coulee Dam 1 SW	United States	Record daily precipitation	40.6 mm (1.6 in)	45 of 100 (Notable)
Nespelem 2 S	United States	Record daily precipitation	35.8 mm (1.4 in)	45 of 100 (Notable)
Cataloochee	United States	Record daily precipitation	51.1 mm (2.0 in)	44 of 100 (Notable)
Blaikliden	Sweden	Record daily precipitation	36.0 mm (1.4 in)	43 of 100 (Notable)
Klimpfjall	Sweden	Record daily precipitation	34.6 mm (1.4 in)	43 of 100 (Notable)
Libby 1 NE Rs	United States	Record daily precipitation	55.4 mm (2.2 in)	43 of 100 (Notable)
Huron Rgnl AP	United States	Record daily precipitation	40.6 mm (1.6 in)	43 of 100 (Notable)
Liafoss	Norway	Record daily precipitation	27.6 mm (1.1 in)	42 of 100 (Notable)
Rooikop	South Africa	Record daily precipitation	31.0 mm (1.2 in)	42 of 100 (Notable)
Owyhee Dam	United States	Record daily precipitation	27.7 mm (1.1 in)	42 of 100 (Notable)
Rodino	Russia	Record daily precipitation	42.3 mm (1.7 in)	41 of 100 (Notable)
Sioux Falls	United States	Record daily precipitation	48.5 mm (1.9 in)	41 of 100 (Notable)
Cherry Tree	Australia	Record daily precipitation	36.7 mm (1.4 in)	40 of 100 (Notable)
Stayton	United States	Record daily precipitation	28.2 mm (1.1 in)	40 of 100 (Notable)
Colville AP	United States	Record daily precipitation	43.9 mm (1.7 in)	40 of 100 (Notable)
Kent	United States	Record daily precipitation	33.5 mm (1.3 in)	40 of 100 (Notable)
Leavenworth 3 S	United States	Record daily precipitation	38.4 mm (1.5 in)	40 of 100 (Notable)
Plain	United States	Record daily precipitation	30.2 mm (1.2 in)	40 of 100 (Notable)
Amberg-Unterammersricht	Germany	Record daily precipitation	51.2 mm (2.0 in)	39 of 100 (Notable)

Counts by Type and Timescale

913 records

Records set or tied on 21 June 1984 by type: Highest daily maximum 42, Lowest daily maximum 153, Highest daily minimum 113, Lowest daily minimum 91, Heaviest daily rainfall 513, Heaviest daily snowfall 1.

Records on 21 June 1984 by type
Record type	Records
Highest daily maximum	42
Lowest daily maximum	153
Highest daily minimum	113
Lowest daily minimum	91
Heaviest daily rainfall	513
Heaviest daily snowfall	1
Deepest snow cover	0

Records on 21 June 1984 by timescale: all-time 4, monthly 28, daily 881.

How Much Records Were Beaten By

786 broken records

Margins by which the 786 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 57.2. Ties are not counted.

Top 20 by Significance

21 June 1984

Top 20 records on 21 June 1984 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 June 1984	Lien I Selbu, NO	daily rain	36.0 mm (1.4 in)	21.9 mm (0.9 in)	77 years	72 of 100 (Major)
21 June 1984	Headworks Portland Wtr B, US	daily rain	61.7 mm (2.4 in)	39.3 mm (1.5 in)	76 years	69 of 100 (Major)
21 June 1984	Kjobli I Snaasa, NO	daily rain	36.4 mm (1.4 in)	20.5 mm (0.8 in)	63 years	67 of 100 (Major)
21 June 1984	Waterville, US	daily rain	50.8 mm (2.0 in)	31.5 mm (1.2 in)	54 years	65 of 100 (Major)
21 June 1984	Poortjie, ZA	daily rain	26.5 mm (1.0 in)	26.2 mm (1.0 in)	76 years	56 of 100 (Notable)
21 June 1984	Wauna 3 W, US	daily rain	32.5 mm (1.3 in)	27.4 mm (1.1 in)	41 years	56 of 100 (Notable)
21 June 1984	Ostas I Hegra, NO	daily rain	30.0 mm (1.2 in)	13.8 mm (0.5 in)	77 years	55 of 100 (Notable)
21 June 1984	Vaernes, NO	daily rain	26.5 mm (1.0 in)	21.0 mm (0.8 in)	37 years	55 of 100 (Notable)
21 June 1984	Volciha, RU	daily rain	36.2 mm (1.4 in)	26.7 mm (1.1 in)	34 years	54 of 100 (Notable)
21 June 1984	Bremerton, US	daily rain	28.4 mm (1.1 in)	13.7 mm (0.5 in)	71 years	54 of 100 (Notable)
21 June 1984	Nord-Rana, NO	daily rain	32.5 mm (1.3 in)	11.4 mm (0.4 in)	86 years	53 of 100 (Notable)
21 June 1984	Baksjonaset, SE	daily rain	32.0 mm (1.3 in)	21.7 mm (0.9 in)	30 years	53 of 100 (Notable)
21 June 1984	Miller, US	daily rain	61.5 mm (2.4 in)	34.8 mm (1.4 in)	49 years	53 of 100 (Notable)
21 June 1984	Wenatchee, US	daily rain	31.2 mm (1.2 in)	23.6 mm (0.9 in)	47 years	53 of 100 (Notable)
21 June 1984	Lauda-Konigshofen-Gerlachsheim, DE	daily rain	76.1 mm (3.0 in)	54.5 mm (2.1 in)	25 years	52 of 100 (Notable)
21 June 1984	Susendal, NO	daily rain	33.2 mm (1.3 in)	22.8 mm (0.9 in)	12 years	52 of 100 (Notable)
21 June 1984	Holley, US	daily rain	33.8 mm (1.3 in)	22.9 mm (0.9 in)	32 years	51 of 100 (Notable)
21 June 1984	Groenvlei (Skl), ZA	daily rain	30.0 mm (1.2 in)	30.0 mm (1.2 in)	50 years	50 of 100 (Notable)
21 June 1984	Forest Grove, US	daily rain	27.7 mm (1.1 in)	7.4 mm (0.29 in)	86 years	50 of 100 (Notable)
21 June 1984	Alpine, US	daily rain	57.2 mm (2.3 in)	41.7 mm (1.6 in)	7 years	50 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 1984

Records set or tied on this calendar date in each year from 1802 to 1984. 1984 had 913 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 1984-06-21: 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).

Histogram of margins by which records were beaten on 21 June 1984
Margin	Records
0 to 10	614
10 to 20	123
20 to 30	36
30 to 40	10
40 to 50	1
50 to 60	2