Weather Records on 21 June 1983

752 weather records were set or tied worldwide on 21 June 1983. Highest significance: New London, US.

Key Facts for 21 June 1983

On 21 June 1983, 752 weather records were set or tied at long-record stations worldwide.
344 were record highs and 148 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 17 monthly and 733 daily.
New London set a daily record precipitation of 146.1 mm (5.8 in) on 21 June 1983.
Across 165 earlier years (1802 to 2026) the same calendar date averaged 429 records.

Record Map

752 stations

752 station records on 21 June 1983 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 June 1983: highest significance records shown on the map
Station	Country	Type	Value	Significance
New London	United States	Record daily precipitation	146.1 mm (5.8 in)	74 of 100 (Major)
Edenton	United States	Record daily precipitation	136.1 mm (5.4 in)	67 of 100 (Major)
Moreton Sugar Mill	Australia	Record daily precipitation	259.5 mm (10.2 in)	61 of 100 (Major)
Macwood	Australia	Record daily precipitation	52.0 mm (2.0 in)	61 of 100 (Major)
Milaca	United States	Record daily precipitation	82.6 mm (3.3 in)	61 of 100 (Major)
Mooga Hills	Australia	Record daily precipitation	67.0 mm (2.6 in)	60 of 100 (Major)
Petrun	Russia	Record daily precipitation	34.4 mm (1.4 in)	52 of 100 (Notable)
Dover	United States	Record daily precipitation	96.8 mm (3.8 in)	52 of 100 (Notable)
Litchfield	United States	Record daily precipitation	109.5 mm (4.3 in)	52 of 100 (Notable)
Hyndman	United States	Record daily precipitation	64.8 mm (2.6 in)	52 of 100 (Notable)
Milford 2 SE	United States	Record daily precipitation	86.6 mm (3.4 in)	51 of 100 (Notable)
Sprague	Canada	Record daily precipitation	47.0 mm (1.9 in)	50 of 100 (Notable)
Suntar	Russia	Record daily precipitation	27.5 mm (1.1 in)	50 of 100 (Notable)
Marion Ctr 2 SE	United States	Record daily precipitation	80.8 mm (3.2 in)	50 of 100 (Notable)
Flemington 5 NNW	United States	Record daily precipitation	43.4 mm (1.7 in)	49 of 100 (Notable)
Mummulgum (Bingeebeebra)	Australia	Record daily precipitation	137.0 mm (5.4 in)	48 of 100 (Notable)
Kagoshima	Japan	Record daily precipitation	183.5 mm (7.2 in)	46 of 100 (Notable)
Jordan 1SSW	United States	Record daily precipitation	92.7 mm (3.6 in)	46 of 100 (Notable)
Muckadilla Post Office	Australia	Record daily precipitation	50.0 mm (2.0 in)	45 of 100 (Notable)
Madera 2 SE	United States	Record daily precipitation	71.1 mm (2.8 in)	45 of 100 (Notable)
Newport River	United States	Record daily precipitation	41.1 mm (1.6 in)	45 of 100 (Notable)
Isis Junction Railway STN	Australia	Record daily precipitation	109.0 mm (4.3 in)	44 of 100 (Notable)
Waverley Downs	Australia	Record daily precipitation	54.8 mm (2.2 in)	44 of 100 (Notable)
Rosenheim	Germany	Record daily precipitation	74.0 mm (2.9 in)	43 of 100 (Notable)
Ida Grove 5NW	United States	Record daily precipitation	86.6 mm (3.4 in)	43 of 100 (Notable)
Richmond	Canada	Record high maximum temperature	31.0 C (87.8 F)	42 of 100 (Notable)
Ocotlan de Morelos	Mexico	Record daily precipitation	97.8 mm (3.9 in)	42 of 100 (Notable)
Georgetown 5 SW	United States	Record daily precipitation	56.4 mm (2.2 in)	42 of 100 (Notable)
Roma Post Office	Australia	Record daily precipitation	47.2 mm (1.9 in)	41 of 100 (Notable)
Die Hoop	South Africa	Record daily precipitation	50.0 mm (2.0 in)	41 of 100 (Notable)
Aberdeen Phillips Fld	United States	Record daily precipitation	82.8 mm (3.3 in)	41 of 100 (Notable)
Ipswich	United States	Record high minimum temperature	23.3 C (73.9 F)	40 of 100 (Notable)
Euleilah Creek	Australia	Record daily precipitation	80.6 mm (3.2 in)	39 of 100 (Notable)
Horseshoe Lagoon	Australia	Record daily precipitation	45.8 mm (1.8 in)	39 of 100 (Notable)
Ostheim V.D. Rhon	Germany	Record daily precipitation	31.8 mm (1.3 in)	39 of 100 (Notable)
Carrolltown 1 NNE	United States	Record daily precipitation	68.8 mm (2.7 in)	38 of 100 (Notable)
Montreal McGill	Canada	Record high maximum temperature	34.5 C (94.1 F)	37 of 100 (Notable)
Mutsu	Japan	Record daily precipitation	87.5 mm (3.4 in)	37 of 100 (Notable)
Fordyce	United States	Record low maximum temperature	23.3 C (73.9 F)	37 of 100 (Notable)
Storm Lake	United States	Record daily precipitation	63.5 mm (2.5 in)	37 of 100 (Notable)
Bemidji	United States	Record daily precipitation	48.3 mm (1.9 in)	37 of 100 (Notable)
Collegeville St John's	United States	Record daily precipitation	63.8 mm (2.5 in)	37 of 100 (Notable)
Hammonton 1 NE	United States	Record daily precipitation	50.3 mm (2.0 in)	37 of 100 (Notable)
Ashley	United States	Record high minimum temperature	19.4 C (66.9 F)	37 of 100 (Notable)
Clearfield	United States	Record daily precipitation	49.3 mm (1.9 in)	37 of 100 (Notable)
Shamrock Mine	Australia	Record daily precipitation	68.0 mm (2.7 in)	36 of 100 (Notable)
Tuzantla (Smn)	Mexico	Record low minimum temperature	15.6 C (60.1 F)	36 of 100 (Notable)
Spring Grove	United States	Record daily precipitation	39.6 mm (1.6 in)	36 of 100 (Notable)
Injune Post Office	Australia	Record daily precipitation	52.0 mm (2.0 in)	35 of 100 (Notable)
Glenorie	Australia	Record daily precipitation	38.0 mm (1.5 in)	35 of 100 (Notable)
Placerville	United States	Record low maximum temperature	17.8 C (64.0 F)	35 of 100 (Notable)
Selinsgrove 2 S	United States	Record daily precipitation	84.1 mm (3.3 in)	35 of 100 (Notable)
Amamoor Forestry	Australia	Record daily precipitation	43.2 mm (1.7 in)	34 of 100 (Routine)
Amby	Australia	Record daily precipitation	43.2 mm (1.7 in)	34 of 100 (Routine)
Normandy	Australia	Record daily precipitation	55.0 mm (2.2 in)	34 of 100 (Routine)
Beltsville	United States	Record daily precipitation	65.3 mm (2.6 in)	34 of 100 (Routine)
Courtenay 1 NW	United States	Record daily precipitation	38.1 mm (1.5 in)	34 of 100 (Routine)
York Haven	United States	Record daily precipitation	45.0 mm (1.8 in)	34 of 100 (Routine)
Leola	United States	Record high minimum temperature	17.2 C (63.0 F)	34 of 100 (Routine)
Buffalo	United States	Record high minimum temperature	16.7 C (62.1 F)	34 of 100 (Routine)

Counts by Type and Timescale

752 records

Records set or tied on 21 June 1983 by type: Highest daily maximum 182, Lowest daily maximum 66, Highest daily minimum 162, Lowest daily minimum 82, Heaviest daily rainfall 259, Heaviest daily snowfall 1.

Records on 21 June 1983 by type
Record type	Records
Highest daily maximum	182
Lowest daily maximum	66
Highest daily minimum	162
Lowest daily minimum	82
Heaviest daily rainfall	259
Heaviest daily snowfall	1
Deepest snow cover	0

Records on 21 June 1983 by timescale: all-time 2, monthly 17, daily 733.

How Much Records Were Beaten By

609 broken records

Margins by which the 609 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 129.2. Ties are not counted.

Top 20 by Significance

21 June 1983

Top 20 records on 21 June 1983 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 June 1983	New London, US	daily rain	146.1 mm (5.8 in)	114.3 mm (4.5 in)	83 years	74 of 100 (Major)
21 June 1983	Edenton, US	monthly rain	136.1 mm (5.4 in)	42.1 mm (1.7 in)	68 years	67 of 100 (Major)
21 June 1983	Moreton Sugar Mill, AU	monthly rain	259.5 mm (10.2 in)	129.2 mm (5.1 in)	25 years	61 of 100 (Major)
21 June 1983	Macwood, AU	monthly rain	52.0 mm (2.0 in)	24.1 mm (0.9 in)	44 years	61 of 100 (Major)
21 June 1983	Milaca, US	daily rain	82.6 mm (3.3 in)	45.0 mm (1.8 in)	77 years	61 of 100 (Major)
21 June 1983	Mooga Hills, AU	daily rain	67.0 mm (2.6 in)	50.5 mm (2.0 in)	49 years	60 of 100 (Major)
21 June 1983	Petrun, RU	daily rain	34.4 mm (1.4 in)	19.0 mm (0.7 in)	14 years	52 of 100 (Notable)
21 June 1983	Dover, US	daily rain	96.8 mm (3.8 in)	71.9 mm (2.8 in)	12 years	52 of 100 (Notable)
21 June 1983	Litchfield, US	daily rain	109.5 mm (4.3 in)	63.8 mm (2.5 in)	16 years	52 of 100 (Notable)
21 June 1983	Hyndman, US	daily rain	64.8 mm (2.6 in)	29.2 mm (1.1 in)	72 years	52 of 100 (Notable)
21 June 1983	Milford 2 SE, US	daily rain	86.6 mm (3.4 in)	51.8 mm (2.0 in)	12 years	51 of 100 (Notable)
21 June 1983	Sprague, CA	daily rain	47.0 mm (1.9 in)	26.2 mm (1.0 in)	60 years	50 of 100 (Notable)
21 June 1983	Suntar, RU	daily rain	27.5 mm (1.1 in)	21.6 mm (0.9 in)	22 years	50 of 100 (Notable)
21 June 1983	Marion Ctr 2 SE, US	daily rain	80.8 mm (3.2 in)	41.2 mm (1.6 in)	36 years	50 of 100 (Notable)
21 June 1983	Flemington 5 NNW, US	daily rain	43.4 mm (1.7 in)	20.0 mm (0.8 in)	83 years	49 of 100 (Notable)
21 June 1983	Mummulgum (Bingeebeebra), AU	daily rain	137.0 mm (5.4 in)	114.6 mm (4.5 in)	16 years	48 of 100 (Notable)
21 June 1983	Kagoshima, JP	daily rain	183.5 mm (7.2 in)	124.0 mm (4.9 in)	25 years	46 of 100 (Notable)
21 June 1983	Jordan 1SSW, US	daily rain	92.7 mm (3.6 in)	66.0 mm (2.6 in)	8 years	46 of 100 (Notable)
21 June 1983	Muckadilla Post Office, AU	daily rain	50.0 mm (2.0 in)	16.5 mm (0.6 in)	82 years	45 of 100 (Notable)
21 June 1983	Madera 2 SE, US	daily rain	71.1 mm (2.8 in)	49.5 mm (1.9 in)	6 years	45 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 1983

Records set or tied on this calendar date in each year from 1802 to 1983. 1983 had 752 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 1983-06-21: 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	537
20 to 40	44
40 to 60	19
60 to 80	5
80 to 100	0
100 to 120	2
120 to 140	2