Weather Records on 21 June 1981

889 weather records were set or tied worldwide on 21 June 1981. Highest significance: Edgartown, US.

Key Facts for 21 June 1981

On 21 June 1981, 889 weather records were set or tied at long-record stations worldwide.
393 were record highs and 302 were record lows, counting maximum and minimum temperature.
By timescale, 11 were all-time records, 23 monthly and 855 daily.
Edgartown set a monthly record daily precipitation of 117.3 mm (4.6 in) on 21 June 1981.
Across 165 earlier years (1802 to 2026) the same calendar date averaged 428 records.

Record Map

889 stations

889 station records on 21 June 1981 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 June 1981: highest significance records shown on the map
Station	Country	Type	Value	Significance
Edgartown	United States	Record daily precipitation	117.3 mm (4.6 in)	63 of 100 (Major)
Mexico	United States	Record daily precipitation	104.6 mm (4.1 in)	58 of 100 (Notable)
Jasso	Mexico	Record daily precipitation	79.8 mm (3.1 in)	51 of 100 (Notable)
Bajkit	Russia	Record daily precipitation	26.6 mm (1.0 in)	51 of 100 (Notable)
Port Stanley	Canada	Record daily precipitation	42.0 mm (1.7 in)	44 of 100 (Notable)
Bellefontaine	United States	Record daily precipitation	47.2 mm (1.9 in)	44 of 100 (Notable)
Hyannis	United States	Record daily precipitation	105.2 mm (4.1 in)	43 of 100 (Notable)
Santa Maria de Itabira	Brazil	Record daily precipitation	26.0 mm (1.0 in)	41 of 100 (Notable)
Ribeirao Preto	Brazil	Record daily precipitation	38.0 mm (1.5 in)	41 of 100 (Notable)
Dandong	China	Record daily precipitation	76.5 mm (3.0 in)	41 of 100 (Notable)
Yibin	China	Record daily precipitation	89.9 mm (3.5 in)	41 of 100 (Notable)
Sonoma	United States	Record high minimum temperature	17.2 C (63.0 F)	41 of 100 (Notable)
Red Lake Falls	United States	Record daily precipitation	64.8 mm (2.6 in)	41 of 100 (Notable)
Centralia	United States	Record daily precipitation	127.3 mm (5.0 in)	41 of 100 (Notable)
Nokomis	Canada	Record daily precipitation	32.0 mm (1.3 in)	40 of 100 (Notable)
Grindstone Island	Canada	Record daily precipitation	37.1 mm (1.5 in)	40 of 100 (Notable)
Ridgetown	Canada	Record daily precipitation	36.6 mm (1.4 in)	39 of 100 (Notable)
Boonville	United States	Record daily precipitation	61.2 mm (2.4 in)	37 of 100 (Notable)
Pelee Island	Canada	Record daily precipitation	34.4 mm (1.4 in)	36 of 100 (Notable)
Dillon 1 E	United States	Record high minimum temperature	8.3 C (46.9 F)	36 of 100 (Notable)
La Grange 1N	United States	Record high minimum temperature	22.8 C (73.0 F)	36 of 100 (Notable)
Welland	Canada	Record daily precipitation	35.0 mm (1.4 in)	35 of 100 (Notable)
Tegjultja	Russia	Record daily precipitation	40.0 mm (1.6 in)	35 of 100 (Notable)
Kirov	Russia	Record high minimum temperature	19.3 C (66.7 F)	35 of 100 (Notable)
Selma	United States	Record high minimum temperature	24.4 C (75.9 F)	35 of 100 (Notable)
Bell Ranch	United States	Record high maximum temperature	40.6 C (105.1 F)	35 of 100 (Notable)
New Orleans Audubon	United States	Record high minimum temperature	26.1 C (79.0 F)	35 of 100 (Notable)
Moncton A	Canada	Record daily precipitation	35.0 mm (1.4 in)	34 of 100 (Routine)
Grand Falls	Canada	Record daily precipitation	45.6 mm (1.8 in)	34 of 100 (Routine)
Yingkou	China	Record daily precipitation	55.4 mm (2.2 in)	34 of 100 (Routine)
Biloxi	United States	Record high minimum temperature	27.2 C (81.0 F)	34 of 100 (Routine)
St Charles Elm Pt	United States	Record daily precipitation	45.7 mm (1.8 in)	34 of 100 (Routine)
Mayville	United States	Record daily precipitation	33.5 mm (1.3 in)	34 of 100 (Routine)
Parkersburg AP	United States	Record daily precipitation	59.9 mm (2.4 in)	34 of 100 (Routine)
Ocampo	Mexico	Record low maximum temperature	17.8 C (64.0 F)	33 of 100 (Routine)
Atoyac (Smn)	Mexico	Record low maximum temperature	20.6 C (69.1 F)	33 of 100 (Routine)
Dalian	China	Record daily precipitation	61.0 mm (2.4 in)	32 of 100 (Routine)
Choshi	Japan	Record low minimum temperature	10.7 C (51.3 F)	32 of 100 (Routine)
Arhangelsk	Russia	Record high minimum temperature	17.3 C (63.1 F)	32 of 100 (Routine)
Kazan	Russia	Record high minimum temperature	22.0 C (71.6 F)	32 of 100 (Routine)
Bowie	United States	Record high minimum temperature	26.7 C (80.1 F)	32 of 100 (Routine)
Middleton	United States	Record daily precipitation	41.4 mm (1.6 in)	32 of 100 (Routine)
Clover Valley	United States	Record high minimum temperature	15.6 C (60.1 F)	32 of 100 (Routine)
Buzau	Romania	Record daily precipitation	32.7 mm (1.3 in)	31 of 100 (Routine)
Newark	United States	Record high minimum temperature	21.7 C (71.1 F)	31 of 100 (Routine)
Plauen	Germany	Record low maximum temperature	10.5 C (50.9 F)	30 of 100 (Routine)
Szeged	Hungary	Record low minimum temperature	8.5 C (47.3 F)	30 of 100 (Routine)
Riito	Mexico	Record low minimum temperature	5.0 C (41.0 F)	30 of 100 (Routine)
Indio Fire STN	United States	Record high minimum temperature	30.6 C (87.1 F)	30 of 100 (Routine)
Lebanon	United States	Record daily precipitation	25.1 mm (1.0 in)	30 of 100 (Routine)
Waialua 847	United States	Record high minimum temperature	21.1 C (70.0 F)	30 of 100 (Routine)
Agassiz Cda	Canada	Record low maximum temperature	13.0 C (55.4 F)	29 of 100 (Routine)
Onahama	Japan	Record low maximum temperature	13.1 C (55.6 F)	29 of 100 (Routine)
Tula (Dge)	Mexico	Record daily precipitation	51.3 mm (2.0 in)	29 of 100 (Routine)
Huetamo	Mexico	Record low minimum temperature	16.1 C (61.0 F)	29 of 100 (Routine)
Shenkursk	Russia	Record high minimum temperature	19.2 C (66.6 F)	29 of 100 (Routine)
Magdalena	United States	Record high minimum temperature	20.0 C (68.0 F)	29 of 100 (Routine)
Tucumcari 4 NE	United States	Record high maximum temperature	40.0 C (104.0 F)	29 of 100 (Routine)
Banner Elk	United States	Record high minimum temperature	17.2 C (63.0 F)	29 of 100 (Routine)
Boise City 2 E	United States	Record high maximum temperature	40.0 C (104.0 F)	29 of 100 (Routine)

Counts by Type and Timescale

889 records

Records set or tied on 21 June 1981 by type: Highest daily maximum 184, Lowest daily maximum 233, Highest daily minimum 209, Lowest daily minimum 69, Heaviest daily rainfall 194.

Records on 21 June 1981 by type
Record type	Records
Highest daily maximum	184
Lowest daily maximum	233
Highest daily minimum	209
Lowest daily minimum	69
Heaviest daily rainfall	194
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 21 June 1981 by timescale: all-time 11, monthly 23, daily 855.

How Much Records Were Beaten By

683 broken records

Margins by which the 683 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 60.4. Ties are not counted.

Top 20 by Significance

21 June 1981

Top 20 records on 21 June 1981 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 June 1981	Edgartown, US	monthly rain	117.3 mm (4.6 in)	60.4 mm (2.4 in)	33 years	63 of 100 (Major)
21 June 1981	Mexico, US	daily rain	104.6 mm (4.1 in)	51.0 mm (2.0 in)	66 years	58 of 100 (Notable)
21 June 1981	Jasso, MX	daily rain	79.8 mm (3.1 in)	45.0 mm (1.8 in)	28 years	51 of 100 (Notable)
21 June 1981	Bajkit, RU	daily rain	26.6 mm (1.0 in)	18.2 mm (0.7 in)	26 years	51 of 100 (Notable)
21 June 1981	Port Stanley, CA	daily rain	42.0 mm (1.7 in)	15.3 mm (0.6 in)	60 years	44 of 100 (Notable)
21 June 1981	Bellefontaine, US	daily rain	47.2 mm (1.9 in)	16.0 mm (0.6 in)	79 years	44 of 100 (Notable)
21 June 1981	Hyannis, US	monthly rain	105.2 mm (4.1 in)	8.4 mm (0.33 in)	65 years	43 of 100 (Notable)
21 June 1981	Santa Maria de Itabira, BR	daily rain	26.0 mm (1.0 in)	26.0 mm (1.0 in)	39 years	41 of 100 (Notable)
21 June 1981	Ribeirao Preto, BR	daily rain	38.0 mm (1.5 in)	37.7 mm (1.5 in)	12 years	41 of 100 (Notable)
21 June 1981	Dandong, CN	daily rain	76.5 mm (3.0 in)	46.9 mm (1.8 in)	15 years	41 of 100 (Notable)
21 June 1981	Yibin, CN	daily rain	89.9 mm (3.5 in)	57.3 mm (2.3 in)	24 years	41 of 100 (Notable)
21 June 1981	Sonoma, US	daily high min	17.2 C (63.0 F)	2.2 C (4.0 F)	86 years	41 of 100 (Notable)
21 June 1981	Red Lake Falls, US	daily rain	64.8 mm (2.6 in)	23.9 mm (0.9 in)	54 years	41 of 100 (Notable)
21 June 1981	Centralia, US	monthly rain	127.3 mm (5.0 in)	25.2 mm (1.0 in)	38 years	41 of 100 (Notable)
21 June 1981	Nokomis, CA	daily rain	32.0 mm (1.3 in)	18.0 mm (0.7 in)	58 years	40 of 100 (Notable)
21 June 1981	Grindstone Island, CA	daily rain	37.1 mm (1.5 in)	13.2 mm (0.5 in)	36 years	40 of 100 (Notable)
21 June 1981	Ridgetown, CA	daily rain	36.6 mm (1.4 in)	13.7 mm (0.5 in)	54 years	39 of 100 (Notable)
21 June 1981	Boonville, US	daily rain	61.2 mm (2.4 in)	33.3 mm (1.3 in)	32 years	37 of 100 (Notable)
21 June 1981	Pelee Island, CA	daily rain	34.4 mm (1.4 in)	2.6 mm (0.10 in)	84 years	36 of 100 (Notable)
21 June 1981	Dillon 1 E, US	daily high min	8.3 C (46.9 F)	3.3 C (5.9 F)	63 years	36 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 1981

Records set or tied on this calendar date in each year from 1802 to 1981. 1981 had 889 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 1981-06-21: 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 10	624
10 to 20	38
20 to 30	10
30 to 40	5
40 to 50	3
50 to 60	2
60 to 70	1