Weather Records on 21 June 1968

654 weather records were set or tied worldwide on 21 June 1968. Highest significance: Prentice #2, US.

Key Facts for 21 June 1968

On 21 June 1968, 654 weather records were set or tied at long-record stations worldwide.
140 were record highs and 216 were record lows, counting maximum and minimum temperature.
By timescale, 3 were all-time records, 9 monthly and 642 daily.
Prentice #2 set a daily record precipitation of 91.4 mm (3.6 in) on 21 June 1968.
Across 165 earlier years (1802 to 2026) the same calendar date averaged 430 records.

Record Map

654 stations

654 station records on 21 June 1968 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 June 1968: highest significance records shown on the map
Station	Country	Type	Value	Significance
Prentice #2	United States	Record daily precipitation	91.4 mm (3.6 in)	66 of 100 (Major)
Alvin	United States	Record daily precipitation	185.4 mm (7.3 in)	65 of 100 (Major)
Yardea	Australia	Record daily precipitation	38.1 mm (1.5 in)	64 of 100 (Major)
Jokkmokk	Sweden	Record daily precipitation	42.5 mm (1.7 in)	53 of 100 (Notable)
Danbury	United States	Record daily precipitation	82.0 mm (3.2 in)	53 of 100 (Notable)
Dorado 2 WNW	Puerto Rico [United States]	Record daily precipitation	96.5 mm (3.8 in)	51 of 100 (Notable)
Thurlga	Australia	Record daily precipitation	31.8 mm (1.3 in)	49 of 100 (Notable)
Cleve (Pineview)	Australia	Record daily precipitation	25.9 mm (1.0 in)	49 of 100 (Notable)
Winona	United States	Record daily precipitation	90.2 mm (3.6 in)	49 of 100 (Notable)
Winter	United States	Record daily precipitation	74.4 mm (2.9 in)	48 of 100 (Notable)
Shawano 2SSW	United States	Record daily precipitation	64.5 mm (2.5 in)	47 of 100 (Notable)
Willow Rsvr	United States	Record daily precipitation	58.9 mm (2.3 in)	47 of 100 (Notable)
Mokhada	India	Record daily precipitation	119.0 mm (4.7 in)	43 of 100 (Notable)
Hinckley	United States	Record daily precipitation	62.2 mm (2.4 in)	43 of 100 (Notable)
Sparta	United States	Record daily precipitation	58.7 mm (2.3 in)	43 of 100 (Notable)
Kimba (Cortlinye Rocks STN)	Australia	Record daily precipitation	29.5 mm (1.2 in)	42 of 100 (Notable)
Ooldea Railway	Australia	Record daily precipitation	25.9 mm (1.0 in)	42 of 100 (Notable)
Langvattnet	Sweden	Record daily precipitation	28.1 mm (1.1 in)	42 of 100 (Notable)
Three Rivers	United States	Record daily precipitation	63.5 mm (2.5 in)	42 of 100 (Notable)
Victor Harbor Comparison	Australia	Record daily precipitation	27.4 mm (1.1 in)	41 of 100 (Notable)
Hayward Rs	United States	Record daily precipitation	58.2 mm (2.3 in)	41 of 100 (Notable)
Tarcoola (Lake Everard)	Australia	Record daily precipitation	25.7 mm (1.0 in)	40 of 100 (Notable)
Obluce	Russia	Record daily precipitation	48.1 mm (1.9 in)	40 of 100 (Notable)
Immarna	Australia	Record daily precipitation	38.9 mm (1.5 in)	39 of 100 (Notable)
Bay City Wtr Wks	United States	Record low maximum temperature	26.7 C (80.1 F)	38 of 100 (Notable)
Dois Corregos	Brazil	Record daily precipitation	45.0 mm (1.8 in)	36 of 100 (Notable)
Mitchell 2 N	United States	Record daily precipitation	46.2 mm (1.8 in)	36 of 100 (Notable)
Ashland Exp Farm	United States	Record daily precipitation	36.3 mm (1.4 in)	36 of 100 (Notable)
Rhinelander	United States	Record daily precipitation	100.8 mm (4.0 in)	36 of 100 (Notable)
Luverne	United States	Record high maximum temperature	36.1 C (97.0 F)	35 of 100 (Notable)
Kennebec	United States	Record daily precipitation	32.5 mm (1.3 in)	35 of 100 (Notable)
Ladysmith 3W	United States	Record daily precipitation	36.1 mm (1.4 in)	35 of 100 (Notable)
Alma Dam 4	United States	Record daily precipitation	56.6 mm (2.2 in)	34 of 100 (Routine)
Mather 3 NW	United States	Record daily precipitation	41.1 mm (1.6 in)	34 of 100 (Routine)
Trempealeau Dam 6	United States	Record daily precipitation	108.2 mm (4.3 in)	34 of 100 (Routine)
La Grange	United States	Record daily precipitation	58.4 mm (2.3 in)	33 of 100 (Routine)
Blair	United States	Record daily precipitation	66.0 mm (2.6 in)	33 of 100 (Routine)
Cumberland	United States	Record daily precipitation	66.5 mm (2.6 in)	33 of 100 (Routine)
Mondovi	United States	Record daily precipitation	43.2 mm (1.7 in)	33 of 100 (Routine)
Trimbak	India	Record daily precipitation	130.0 mm (5.1 in)	32 of 100 (Routine)
Itasca UNIV of Minn	United States	Record daily precipitation	50.8 mm (2.0 in)	32 of 100 (Routine)
Corinth 5 WSW	United States	Record low minimum temperature	12.8 C (55.0 F)	32 of 100 (Routine)
Alfred	United States	Record low minimum temperature	1.7 C (35.1 F)	32 of 100 (Routine)
Manitowoc	United States	Record daily precipitation	44.5 mm (1.8 in)	32 of 100 (Routine)
Reedsburg Wwtp	United States	Record daily precipitation	57.2 mm (2.3 in)	32 of 100 (Routine)
Igatpuri	India	Record daily precipitation	150.0 mm (5.9 in)	31 of 100 (Routine)
Kalyan	India	Record daily precipitation	123.4 mm (4.9 in)	31 of 100 (Routine)
Houma	United States	Record low maximum temperature	26.1 C (79.0 F)	31 of 100 (Routine)
Westfield 2 SSE	United States	Record low minimum temperature	4.4 C (39.9 F)	31 of 100 (Routine)
Columbia 2SSE	United States	Record low minimum temperature	8.9 C (48.0 F)	31 of 100 (Routine)
Houston Wb City	United States	Record low maximum temperature	25.6 C (78.1 F)	31 of 100 (Routine)
Beloit	United States	Record high minimum temperature	22.8 C (73.0 F)	30 of 100 (Routine)
Montevideo 1SW	United States	Record high maximum temperature	36.7 C (98.1 F)	30 of 100 (Routine)
Lake Placid 2 S	United States	Record low maximum temperature	8.3 C (46.9 F)	30 of 100 (Routine)
Warren	United States	Record low minimum temperature	3.3 C (37.9 F)	30 of 100 (Routine)
Brillion	United States	Record daily precipitation	50.8 mm (2.0 in)	30 of 100 (Routine)
Viroqua	United States	Record daily precipitation	56.9 mm (2.2 in)	30 of 100 (Routine)
Graz	Austria	Record low maximum temperature	16.8 C (62.2 F)	29 of 100 (Routine)
Usina Gaviao Peixoto (Cpfl)	Brazil	Record daily precipitation	41.5 mm (1.6 in)	29 of 100 (Routine)
Usina Avanhandava (Cpfl)	Brazil	Record daily precipitation	35.5 mm (1.4 in)	29 of 100 (Routine)

Counts by Type and Timescale

654 records

Records set or tied on 21 June 1968 by type: Highest daily maximum 89, Lowest daily maximum 82, Highest daily minimum 51, Lowest daily minimum 134, Heaviest daily rainfall 298.

Records on 21 June 1968 by type
Record type	Records
Highest daily maximum	89
Lowest daily maximum	82
Highest daily minimum	51
Lowest daily minimum	134
Heaviest daily rainfall	298
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 21 June 1968 by timescale: all-time 3, monthly 9, daily 642.

How Much Records Were Beaten By

524 broken records

Margins by which the 524 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 118.3. Ties are not counted.

Top 20 by Significance

21 June 1968

Top 20 records on 21 June 1968 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 June 1968	Prentice #2, US	daily rain	91.4 mm (3.6 in)	51.8 mm (2.0 in)	68 years	66 of 100 (Major)
21 June 1968	Alvin, US	daily rain	185.4 mm (7.3 in)	118.3 mm (4.7 in)	63 years	65 of 100 (Major)
21 June 1968	Yardea, AU	daily rain	38.1 mm (1.5 in)	20.1 mm (0.8 in)	58 years	64 of 100 (Major)
21 June 1968	Jokkmokk, SE	daily rain	42.5 mm (1.7 in)	28.5 mm (1.1 in)	10 years	53 of 100 (Notable)
21 June 1968	Danbury, US	daily rain	82.0 mm (3.2 in)	54.1 mm (2.1 in)	29 years	53 of 100 (Notable)
21 June 1968	Dorado 2 WNW, PR	daily rain	96.5 mm (3.8 in)	68.6 mm (2.7 in)	27 years	51 of 100 (Notable)
21 June 1968	Thurlga, AU	daily rain	31.8 mm (1.3 in)	17.3 mm (0.7 in)	30 years	49 of 100 (Notable)
21 June 1968	Cleve (Pineview), AU	daily rain	25.9 mm (1.0 in)	18.5 mm (0.7 in)	30 years	49 of 100 (Notable)
21 June 1968	Winona, US	daily rain	90.2 mm (3.6 in)	34.3 mm (1.4 in)	54 years	49 of 100 (Notable)
21 June 1968	Winter, US	daily rain	74.4 mm (2.9 in)	38.8 mm (1.5 in)	41 years	48 of 100 (Notable)
21 June 1968	Shawano 2SSW, US	daily rain	64.5 mm (2.5 in)	34.0 mm (1.3 in)	28 years	47 of 100 (Notable)
21 June 1968	Willow Rsvr, US	daily rain	58.9 mm (2.3 in)	39.1 mm (1.5 in)	29 years	47 of 100 (Notable)
21 June 1968	Mokhada, IN	daily rain	119.0 mm (4.7 in)	55.5 mm (2.2 in)	64 years	43 of 100 (Notable)
21 June 1968	Hinckley, US	daily rain	62.2 mm (2.4 in)	41.4 mm (1.6 in)	27 years	43 of 100 (Notable)
21 June 1968	Sparta, US	daily rain	58.7 mm (2.3 in)	41.9 mm (1.6 in)	19 years	43 of 100 (Notable)
21 June 1968	Kimba (Cortlinye Rocks STN), AU	daily rain	29.5 mm (1.2 in)	13.5 mm (0.5 in)	23 years	42 of 100 (Notable)
21 June 1968	Ooldea Railway, AU	daily rain	25.9 mm (1.0 in)	19.5 mm (0.8 in)	2 years	42 of 100 (Notable)
21 June 1968	Langvattnet, SE	daily rain	28.1 mm (1.1 in)	19.0 mm (0.7 in)	30 years	42 of 100 (Notable)
21 June 1968	Three Rivers, US	daily rain	63.5 mm (2.5 in)	58.2 mm (2.3 in)	39 years	42 of 100 (Notable)
21 June 1968	Victor Harbor Comparison, AU	daily rain	27.4 mm (1.1 in)	5.3 mm (0.21 in)	80 years	41 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 1968

Records set or tied on this calendar date in each year from 1802 to 1968. 1968 had 654 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 1968-06-21: 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 20	490
20 to 40	26
40 to 60	6
60 to 80	1
80 to 100	0
100 to 120	1