Weather Records on 21 June 1952

502 weather records were set or tied worldwide on 21 June 1952. Highest significance: Knysna (Tnk), ZA.

Key Facts for 21 June 1952

On 21 June 1952, 502 weather records were set or tied at long-record stations worldwide.
133 were record highs and 114 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 9 monthly and 491 daily.
Knysna (Tnk) set a daily record precipitation of 96.5 mm (3.8 in) on 21 June 1952.
Across 165 earlier years (1802 to 2026) the same calendar date averaged 431 records.

Record Map

502 stations

502 station records on 21 June 1952 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 June 1952: highest significance records shown on the map
Station	Country	Type	Value	Significance
Knysna (Tnk)	South Africa	Record daily precipitation	96.5 mm (3.8 in)	56 of 100 (Notable)
Wapello	United States	Record daily precipitation	69.1 mm (2.7 in)	56 of 100 (Notable)
Northport	United States	Record daily precipitation	27.9 mm (1.1 in)	53 of 100 (Notable)
Albia 3 NNE	United States	Record daily precipitation	94.2 mm (3.7 in)	47 of 100 (Notable)
Groot Constantia	South Africa	Record daily precipitation	48.8 mm (1.9 in)	45 of 100 (Notable)
Paoli	United States	Record daily precipitation	69.3 mm (2.7 in)	45 of 100 (Notable)
Kuturi	India	Record daily precipitation	96.5 mm (3.8 in)	43 of 100 (Notable)
Dindori	India	Record daily precipitation	141.0 mm (5.6 in)	43 of 100 (Notable)
Dayton 1 WSW	United States	Record daily precipitation	25.7 mm (1.0 in)	43 of 100 (Notable)
Muscatine 2	United States	Record daily precipitation	56.9 mm (2.2 in)	41 of 100 (Notable)
Hancock	United States	Record daily precipitation	38.6 mm (1.5 in)	41 of 100 (Notable)
Touws River	South Africa	Record daily precipitation	27.7 mm (1.1 in)	40 of 100 (Notable)
Colville	United States	Record daily precipitation	25.4 mm (1.0 in)	40 of 100 (Notable)
Camden 3 W	United States	Record daily precipitation	51.1 mm (2.0 in)	39 of 100 (Notable)
Edson	Canada	Record daily precipitation	35.1 mm (1.4 in)	38 of 100 (Notable)
Maryville 2E	United States	Record daily precipitation	118.9 mm (4.7 in)	38 of 100 (Notable)
Jafrabad	India	Record daily precipitation	115.6 mm (4.6 in)	37 of 100 (Notable)
Dadeville	United States	Record daily precipitation	50.8 mm (2.0 in)	35 of 100 (Notable)
Huntington 1	United States	Record daily precipitation	74.9 mm (2.9 in)	35 of 100 (Notable)
Lake Louise	Canada	Record daily precipitation	26.7 mm (1.1 in)	34 of 100 (Routine)
Maihar	India	Record daily precipitation	107.4 mm (4.2 in)	34 of 100 (Routine)
Goudveld (Bos)	South Africa	Record daily precipitation	76.2 mm (3.0 in)	34 of 100 (Routine)
Winner	United States	Record daily precipitation	49.5 mm (1.9 in)	34 of 100 (Routine)
Clear Spring 1 ENE	United States	Record daily precipitation	43.9 mm (1.7 in)	33 of 100 (Routine)
Buffelsnek (Bos)	South Africa	Record daily precipitation	54.6 mm (2.1 in)	32 of 100 (Routine)
Tussenbeide	South Africa	Record daily precipitation	33.0 mm (1.3 in)	31 of 100 (Routine)
Richmond Wtr Wks	United States	Record daily precipitation	56.4 mm (2.2 in)	31 of 100 (Routine)
Durant	United States	Record high minimum temperature	28.3 C (82.9 F)	31 of 100 (Routine)
Ottumwa	United States	Record daily precipitation	111.3 mm (4.4 in)	30 of 100 (Routine)
Yemassee 1 N	United States	Record daily precipitation	64.8 mm (2.6 in)	30 of 100 (Routine)
Bobbili	India	Record daily precipitation	57.4 mm (2.3 in)	29 of 100 (Routine)
Le Claire	United States	Record daily precipitation	37.1 mm (1.5 in)	29 of 100 (Routine)
Williamsburg 1E	United States	Record daily precipitation	35.1 mm (1.4 in)	29 of 100 (Routine)
Selma	United States	Record daily precipitation	58.2 mm (2.3 in)	28 of 100 (Routine)
Henryville Sf	United States	Record daily precipitation	54.1 mm (2.1 in)	28 of 100 (Routine)
Jeffersonville	United States	Record daily precipitation	61.2 mm (2.4 in)	28 of 100 (Routine)
Tarkio	United States	Record daily precipitation	85.9 mm (3.4 in)	27 of 100 (Routine)
Varanasi	India	Record daily precipitation	62.2 mm (2.4 in)	26 of 100 (Routine)
La Motte (Bos)	South Africa	Record daily precipitation	43.2 mm (1.7 in)	26 of 100 (Routine)
Yellamanchili	India	Record daily precipitation	43.2 mm (1.7 in)	25 of 100 (Routine)
Gangajalghati	India	Record daily precipitation	124.2 mm (4.9 in)	25 of 100 (Routine)
Troicko-Pecherskoe	Russia	Record high minimum temperature	16.4 C (61.5 F)	25 of 100 (Routine)
Denison	United States	Record daily precipitation	43.9 mm (1.7 in)	25 of 100 (Routine)
Keosauqua	United States	Record daily precipitation	72.1 mm (2.8 in)	25 of 100 (Routine)
Marshalltown	United States	Record daily precipitation	25.4 mm (1.0 in)	25 of 100 (Routine)
Washington	United States	Record daily precipitation	79.8 mm (3.1 in)	25 of 100 (Routine)
Bird Island	United States	Record low maximum temperature	16.1 C (61.0 F)	25 of 100 (Routine)
Farmington 3NW	United States	Record low maximum temperature	14.4 C (57.9 F)	25 of 100 (Routine)
Sussex 1 NW	United States	Record low maximum temperature	17.8 C (64.0 F)	25 of 100 (Routine)
Chariton 1 E	United States	Record daily precipitation	87.6 mm (3.4 in)	24 of 100 (Routine)
Oskaloosa	United States	Record daily precipitation	67.3 mm (2.6 in)	24 of 100 (Routine)
Milaca	United States	Record low maximum temperature	14.4 C (57.9 F)	24 of 100 (Routine)
Pawhuska	United States	Record high minimum temperature	25.6 C (78.1 F)	24 of 100 (Routine)
Kenton	United States	Record high minimum temperature	25.0 C (77.0 F)	24 of 100 (Routine)
Kohala Mis 175.1	United States	Record low maximum temperature	23.3 C (73.9 F)	24 of 100 (Routine)
Rosebery	Australia	Record daily precipitation	43.9 mm (1.7 in)	23 of 100 (Routine)
Sion	Canada	Record daily precipitation	42.2 mm (1.7 in)	23 of 100 (Routine)
Udhapur	India	Record daily precipitation	56.6 mm (2.2 in)	23 of 100 (Routine)
Elliston	United States	Record daily precipitation	61.7 mm (2.4 in)	23 of 100 (Routine)
Oakland	United States	Record daily precipitation	48.0 mm (1.9 in)	23 of 100 (Routine)

Counts by Type and Timescale

502 records

Records set or tied on 21 June 1952 by type: Highest daily maximum 24, Lowest daily maximum 96, Highest daily minimum 109, Lowest daily minimum 18, Heaviest daily rainfall 254, Heaviest daily snowfall 1.

Records on 21 June 1952 by type
Record type	Records
Highest daily maximum	24
Lowest daily maximum	96
Highest daily minimum	109
Lowest daily minimum	18
Heaviest daily rainfall	254
Heaviest daily snowfall	1
Deepest snow cover	0

Records on 21 June 1952 by timescale: all-time 2, monthly 9, daily 491.

How Much Records Were Beaten By

380 broken records

Margins by which the 380 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 71.1. Ties are not counted.

Top 20 by Significance

21 June 1952

Top 20 records on 21 June 1952 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 June 1952	Knysna (Tnk), ZA	daily rain	96.5 mm (3.8 in)	71.1 mm (2.8 in)	31 years	56 of 100 (Notable)
21 June 1952	Wapello, US	daily rain	69.1 mm (2.7 in)	48.8 mm (1.9 in)	49 years	56 of 100 (Notable)
21 June 1952	Northport, US	daily rain	27.9 mm (1.1 in)	17.5 mm (0.7 in)	46 years	53 of 100 (Notable)
21 June 1952	Albia 3 NNE, US	daily rain	94.2 mm (3.7 in)	55.1 mm (2.2 in)	21 years	47 of 100 (Notable)
21 June 1952	Groot Constantia, ZA	daily rain	48.8 mm (1.9 in)	29.7 mm (1.2 in)	62 years	45 of 100 (Notable)
21 June 1952	Paoli, US	daily rain	69.3 mm (2.7 in)	35.5 mm (1.4 in)	36 years	45 of 100 (Notable)
21 June 1952	Kuturi, IN	daily rain	96.5 mm (3.8 in)	49.5 mm (1.9 in)	46 years	43 of 100 (Notable)
21 June 1952	Dindori, IN	daily rain	141.0 mm (5.6 in)	67.8 mm (2.7 in)	24 years	43 of 100 (Notable)
21 June 1952	Dayton 1 WSW, US	daily rain	25.7 mm (1.0 in)	13.5 mm (0.5 in)	54 years	43 of 100 (Notable)
21 June 1952	Muscatine 2, US	daily rain	56.9 mm (2.2 in)	33.5 mm (1.3 in)	39 years	41 of 100 (Notable)
21 June 1952	Hancock, US	daily rain	38.6 mm (1.5 in)	25.9 mm (1.0 in)	47 years	41 of 100 (Notable)
21 June 1952	Touws River, ZA	daily rain	27.7 mm (1.1 in)	15.0 mm (0.6 in)	60 years	40 of 100 (Notable)
21 June 1952	Colville, US	daily rain	25.4 mm (1.0 in)	11.7 mm (0.5 in)	41 years	40 of 100 (Notable)
21 June 1952	Camden 3 W, US	daily rain	51.1 mm (2.0 in)	17.1 mm (0.7 in)	65 years	39 of 100 (Notable)
21 June 1952	Edson, CA	daily rain	35.1 mm (1.4 in)	24.7 mm (1.0 in)	18 years	38 of 100 (Notable)
21 June 1952	Maryville 2E, US	daily rain	118.9 mm (4.7 in)	54.1 mm (2.1 in)	13 years	38 of 100 (Notable)
21 June 1952	Jafrabad, IN	daily rain	115.6 mm (4.6 in)	64.8 mm (2.6 in)	40 years	37 of 100 (Notable)
21 June 1952	Dadeville, US	daily rain	50.8 mm (2.0 in)	25.9 mm (1.0 in)	42 years	35 of 100 (Notable)
21 June 1952	Huntington 1, US	daily rain	74.9 mm (2.9 in)	20.5 mm (0.8 in)	44 years	35 of 100 (Notable)
21 June 1952	Lake Louise, CA	daily rain	26.7 mm (1.1 in)	13.2 mm (0.5 in)	28 years	34 of 100 (Routine)

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 1952

Records set or tied on this calendar date in each year from 1802 to 1952. 1952 had 502 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 1952-06-21: 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	303
10 to 20	39
20 to 30	21
30 to 40	10
40 to 50	2
50 to 60	2
60 to 70	2
70 to 80	1