Weather Records on 21 June 2010

852 weather records were set or tied worldwide on 21 June 2010. Highest significance: Wessington Springs, US.

Key Facts for 21 June 2010

On 21 June 2010, 852 weather records were set or tied at long-record stations worldwide.
430 were record highs and 272 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 26 monthly and 824 daily.
Wessington Springs set a daily record precipitation of 109.7 mm (4.3 in) on 21 June 2010.
Across 165 earlier years (1802 to 2026) the same calendar date averaged 429 records.

Record Map

852 stations

852 station records on 21 June 2010 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 June 2010: highest significance records shown on the map
Station	Country	Type	Value	Significance
Wessington Springs	United States	Record daily precipitation	109.7 mm (4.3 in)	80 of 100 (Exceptional)
Drobeta Turnu Severin	Romania	Record daily precipitation	60.8 mm (2.4 in)	63 of 100 (Major)
Belltower	United States	Record daily precipitation	73.4 mm (2.9 in)	61 of 100 (Major)
Gresham 3W	United States	Record daily precipitation	92.2 mm (3.6 in)	61 of 100 (Major)
Chany	Russia	Record daily precipitation	37.1 mm (1.5 in)	53 of 100 (Notable)
Askaniia Nova	Ukraine	Record daily precipitation	40.9 mm (1.6 in)	53 of 100 (Notable)
Joseph	United States	Record daily precipitation	48.3 mm (1.9 in)	52 of 100 (Notable)
Kupino	Russia	Record daily precipitation	39.1 mm (1.5 in)	51 of 100 (Notable)
Imperial	United States	Record daily precipitation	78.5 mm (3.1 in)	51 of 100 (Notable)
Barabinsk	Russia	Record daily precipitation	28.3 mm (1.1 in)	49 of 100 (Notable)
Osijek	Croatia	Record daily precipitation	107.2 mm (4.2 in)	48 of 100 (Notable)
Wewahitchka	United States	Record low minimum temperature	12.2 C (54.0 F)	46 of 100 (Notable)
Bradshaw	United States	Record daily precipitation	74.4 mm (2.9 in)	45 of 100 (Notable)
Springer	United States	Record high minimum temperature	16.7 C (62.1 F)	45 of 100 (Notable)
Skriveri	Latvia	Record daily precipitation	35.1 mm (1.4 in)	44 of 100 (Notable)
Zoseni	Latvia	Record daily precipitation	36.8 mm (1.4 in)	43 of 100 (Notable)
Phuket Airport	Thailand	Record daily precipitation	162.8 mm (6.4 in)	43 of 100 (Notable)
Superior	United States	Record daily precipitation	74.9 mm (2.9 in)	43 of 100 (Notable)
Foxholm 7 N	United States	Record daily precipitation	54.6 mm (2.1 in)	43 of 100 (Notable)
Pinsk	Belarus	Record daily precipitation	49.0 mm (1.9 in)	42 of 100 (Notable)
Timovskoe	Russia	Record high minimum temperature	14.4 C (57.9 F)	42 of 100 (Notable)
Edmore 4NW	United States	Record daily precipitation	36.8 mm (1.4 in)	42 of 100 (Notable)
Siwa	Egypt	Record high maximum temperature	48.2 C (118.8 F)	41 of 100 (Notable)
Valke-Maarja	Estonia	Record daily precipitation	36.1 mm (1.4 in)	41 of 100 (Notable)
Nerchinskij Zavod	Russia	Record low minimum temperature	2.5 C (36.5 F)	41 of 100 (Notable)
Gyshgy	Turkmenistan	Record high minimum temperature	24.9 C (76.8 F)	41 of 100 (Notable)
Fenn Rs	United States	Record daily precipitation	50.8 mm (2.0 in)	41 of 100 (Notable)
Saint Maries	United States	Record daily precipitation	37.3 mm (1.5 in)	40 of 100 (Notable)
Marmarth	United States	Record daily precipitation	35.6 mm (1.4 in)	40 of 100 (Notable)
Lincoln UNIV Pwr Plt	United States	Record daily precipitation	75.2 mm (3.0 in)	40 of 100 (Notable)
Salem	United States	Record high minimum temperature	22.8 C (73.0 F)	39 of 100 (Notable)
Nebraska City 2NW	United States	Record daily precipitation	60.2 mm (2.4 in)	39 of 100 (Notable)
Raymond 2E	United States	Record daily precipitation	84.8 mm (3.3 in)	39 of 100 (Notable)
Syracuse	United States	Record daily precipitation	121.4 mm (4.8 in)	39 of 100 (Notable)
Pendleton Dwtn	United States	Record low maximum temperature	16.1 C (61.0 F)	39 of 100 (Notable)
Tihosuco	Mexico	Record daily precipitation	68.1 mm (2.7 in)	38 of 100 (Notable)
Heppner	United States	Record low maximum temperature	12.8 C (55.0 F)	38 of 100 (Notable)
Las Vegas Muni AP	United States	Record high minimum temperature	20.0 C (68.0 F)	38 of 100 (Notable)
Jordan	United States	Record daily precipitation	32.8 mm (1.3 in)	37 of 100 (Notable)
Utica	United States	Record daily precipitation	69.3 mm (2.7 in)	37 of 100 (Notable)
Madrid - Retiro	Spain	Record low minimum temperature	9.4 C (48.9 F)	36 of 100 (Notable)
St Petersburg	United States	Record high maximum temperature	36.7 C (98.1 F)	36 of 100 (Notable)
Xenia 6 SSE	United States	Record daily precipitation	29.7 mm (1.2 in)	36 of 100 (Notable)
Lake Margaret Power Station	Australia	Record daily precipitation	72.6 mm (2.9 in)	35 of 100 (Notable)
San Miguel Chimalapa	Mexico	Record low minimum temperature	1.7 C (35.1 F)	35 of 100 (Notable)
Yajlju	Russia	Record high minimum temperature	16.5 C (61.7 F)	35 of 100 (Notable)
Moweaqua 2S	United States	Record daily precipitation	48.8 mm (1.9 in)	35 of 100 (Notable)
Knobs 4 SW	United States	Record daily precipitation	29.5 mm (1.2 in)	35 of 100 (Notable)
Nakhon Sawan	Thailand	Record daily precipitation	68.3 mm (2.7 in)	34 of 100 (Routine)
1 ENE Fairfield	United States	Record high minimum temperature	23.9 C (75.0 F)	34 of 100 (Routine)
Wauneta	United States	Record daily precipitation	34.3 mm (1.4 in)	34 of 100 (Routine)
Hami	China	Record high maximum temperature	42.7 C (108.9 F)	33 of 100 (Routine)
Jaral de Berrios	Mexico	Record high maximum temperature	37.8 C (100.0 F)	33 of 100 (Routine)
Krasnojarsk	Russia	Record high maximum temperature	34.0 C (93.2 F)	33 of 100 (Routine)
Du Quoin 4 SE	United States	Record high minimum temperature	24.4 C (75.9 F)	33 of 100 (Routine)
Imperial Beach Ream Fld NAS	United States	Record low minimum temperature	10.0 C (50.0 F)	33 of 100 (Routine)
Gospic	Croatia	Record low maximum temperature	13.0 C (55.4 F)	32 of 100 (Routine)
San Agustin Metziquititlan	Mexico	Record high maximum temperature	35.6 C (96.1 F)	32 of 100 (Routine)
Novi Sad	Serbia	Record daily precipitation	67.6 mm (2.7 in)	32 of 100 (Routine)
Kyzyl-Ozek	Russia	Record high minimum temperature	18.7 C (65.7 F)	32 of 100 (Routine)

Counts by Type and Timescale

852 records

Records set or tied on 21 June 2010 by type: Highest daily maximum 202, Lowest daily maximum 96, Highest daily minimum 228, Lowest daily minimum 176, Heaviest daily rainfall 150.

Records on 21 June 2010 by type
Record type	Records
Highest daily maximum	202
Lowest daily maximum	96
Highest daily minimum	228
Lowest daily minimum	176
Heaviest daily rainfall	150
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 21 June 2010 by timescale: all-time 2, monthly 26, daily 824.

How Much Records Were Beaten By

625 broken records

Margins by which the 625 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 75.7. Ties are not counted.

Top 20 by Significance

21 June 2010

Top 20 records on 21 June 2010 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 June 2010	Wessington Springs, US	daily rain	109.7 mm (4.3 in)	75.7 mm (3.0 in)	108 years	80 of 100 (Exceptional)
21 June 2010	Drobeta Turnu Severin, RO	daily rain	60.8 mm (2.4 in)	35.2 mm (1.4 in)	65 years	63 of 100 (Major)
21 June 2010	Belltower, US	daily rain	73.4 mm (2.9 in)	42.2 mm (1.7 in)	52 years	61 of 100 (Major)
21 June 2010	Gresham 3W, US	daily rain	92.2 mm (3.6 in)	64.3 mm (2.5 in)	43 years	61 of 100 (Major)
21 June 2010	Chany, RU	daily rain	37.1 mm (1.5 in)	26.9 mm (1.1 in)	45 years	53 of 100 (Notable)
21 June 2010	Askaniia Nova, UA	daily rain	40.9 mm (1.6 in)	27.8 mm (1.1 in)	32 years	53 of 100 (Notable)
21 June 2010	Joseph, US	monthly rain	48.3 mm (1.9 in)	7.4 mm (0.29 in)	69 years	52 of 100 (Notable)
21 June 2010	Kupino, RU	daily rain	39.1 mm (1.5 in)	19.8 mm (0.8 in)	51 years	51 of 100 (Notable)
21 June 2010	Imperial, US	daily rain	78.5 mm (3.1 in)	40.1 mm (1.6 in)	43 years	51 of 100 (Notable)
21 June 2010	Barabinsk, RU	daily rain	28.3 mm (1.1 in)	15.2 mm (0.6 in)	45 years	49 of 100 (Notable)
21 June 2010	Osijek, HR	all-time rain	107.2 mm (4.2 in)	6.0 mm (0.24 in)	42 years	48 of 100 (Notable)
21 June 2010	Wewahitchka, US	daily low min	12.2 C (54.0 F)	5.0 C (9.0 F)	44 years	46 of 100 (Notable)
21 June 2010	Bradshaw, US	daily rain	74.4 mm (2.9 in)	22.8 mm (0.9 in)	72 years	45 of 100 (Notable)
21 June 2010	Springer, US	daily high min	16.7 C (62.1 F)	1.7 C (3.1 F)	116 years	45 of 100 (Notable)
21 June 2010	Skriveri, LV	daily rain	35.1 mm (1.4 in)	24.2 mm (1.0 in)	21 years	44 of 100 (Notable)
21 June 2010	Zoseni, LV	daily rain	36.8 mm (1.4 in)	19.6 mm (0.8 in)	21 years	43 of 100 (Notable)
21 June 2010	Phuket Airport, TH	monthly rain	162.8 mm (6.4 in)	22.9 mm (0.9 in)	56 years	43 of 100 (Notable)
21 June 2010	Superior, US	daily rain	74.9 mm (2.9 in)	29.7 mm (1.2 in)	43 years	43 of 100 (Notable)
21 June 2010	Foxholm 7 N, US	daily rain	54.6 mm (2.1 in)	17.0 mm (0.7 in)	63 years	43 of 100 (Notable)
21 June 2010	Pinsk, BY	daily rain	49.0 mm (1.9 in)	22.8 mm (0.9 in)	5 years	42 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 2010

Records set or tied on this calendar date in each year from 1802 to 2010. 2010 had 852 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 2010-06-21: 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 2026-10-14 (14 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	553
10 to 20	44
20 to 30	14
30 to 40	5
40 to 50	5
50 to 60	1
60 to 70	2
70 to 80	1