Weather Records on 21 June 1947

637 weather records were set or tied worldwide on 21 June 1947. Highest significance: Russell, CA.

Key Facts for 21 June 1947

On 21 June 1947, 637 weather records were set or tied at long-record stations worldwide.
75 were record highs and 289 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 14 monthly and 621 daily.
Russell set a daily record precipitation of 69.1 mm (2.7 in) on 21 June 1947.
Across 165 earlier years (1802 to 2026) the same calendar date averaged 430 records.

Record Map

637 stations

637 station records on 21 June 1947 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 June 1947: highest significance records shown on the map
Station	Country	Type	Value	Significance
Russell	Canada	Record daily precipitation	69.1 mm (2.7 in)	63 of 100 (Major)
Duiwelskloof (Mun)	South Africa	Record daily precipitation	72.6 mm (2.9 in)	56 of 100 (Notable)
Ozark 6 NNW	United States	Record daily precipitation	85.6 mm (3.4 in)	56 of 100 (Notable)
Minot Exp STN	United States	Record daily precipitation	55.9 mm (2.2 in)	54 of 100 (Notable)
Birtle	Canada	Record daily precipitation	72.4 mm (2.9 in)	53 of 100 (Notable)
Belle Fourche	United States	Record daily precipitation	60.7 mm (2.4 in)	53 of 100 (Notable)
Oelrichs	United States	Record daily precipitation	83.3 mm (3.3 in)	53 of 100 (Notable)
Chugwater	United States	Record daily precipitation	60.7 mm (2.4 in)	53 of 100 (Notable)
Harrisburg 12WNW	United States	Record daily precipitation	58.4 mm (2.3 in)	52 of 100 (Notable)
Spearfish	United States	Record daily precipitation	78.5 mm (3.1 in)	52 of 100 (Notable)
Ericson 8 WNW	United States	Record daily precipitation	68.1 mm (2.7 in)	51 of 100 (Notable)
Hermosa 3 SSW	United States	Record daily precipitation	104.6 mm (4.1 in)	51 of 100 (Notable)
Richfield Radio Ksvc	United States	Record daily precipitation	27.2 mm (1.1 in)	50 of 100 (Notable)
Gillette 3SE	United States	Record daily precipitation	49.5 mm (1.9 in)	50 of 100 (Notable)
Hecla	United States	Record daily precipitation	42.4 mm (1.7 in)	50 of 100 (Notable)
Ardmore 1 NW	United States	Record daily precipitation	58.9 mm (2.3 in)	49 of 100 (Notable)
Laramie	United States	Record daily precipitation	30.5 mm (1.2 in)	49 of 100 (Notable)
Scottsbluff W B Heilig Fld AP	United States	Record daily precipitation	53.8 mm (2.1 in)	49 of 100 (Notable)
Bellary	India	Record daily precipitation	76.2 mm (3.0 in)	48 of 100 (Notable)
Denkanikottah	India	Record daily precipitation	63.0 mm (2.5 in)	47 of 100 (Notable)
Pennagaram	India	Record daily precipitation	74.7 mm (2.9 in)	47 of 100 (Notable)
Lusk 2 SW	United States	Record daily precipitation	52.6 mm (2.1 in)	47 of 100 (Notable)
Cedar City Powerhouse	United States	Record daily precipitation	34.3 mm (1.4 in)	45 of 100 (Notable)
Krasnojarsk	Russia	Record daily precipitation	28.2 mm (1.1 in)	44 of 100 (Notable)
Custer	United States	Record daily precipitation	73.9 mm (2.9 in)	44 of 100 (Notable)
Shoshone	United States	Record daily precipitation	29.5 mm (1.2 in)	43 of 100 (Notable)
Steamboat Springs	United States	Record daily precipitation	34.5 mm (1.4 in)	43 of 100 (Notable)
Mitchell 5E	United States	Record daily precipitation	48.8 mm (1.9 in)	43 of 100 (Notable)
Fairview	United States	Record daily precipitation	49.5 mm (1.9 in)	42 of 100 (Notable)
Talladega	United States	Record daily precipitation	84.8 mm (3.3 in)	41 of 100 (Notable)
Ft Robinson	United States	Record daily precipitation	45.0 mm (1.8 in)	41 of 100 (Notable)
Sundance	United States	Record daily precipitation	37.1 mm (1.5 in)	41 of 100 (Notable)
Wheatland 4N	United States	Record daily precipitation	37.6 mm (1.5 in)	41 of 100 (Notable)
Rison	United States	Record daily precipitation	47.5 mm (1.9 in)	40 of 100 (Notable)
Milledgeville	United States	Record daily precipitation	79.0 mm (3.1 in)	40 of 100 (Notable)
Lexington 3E	United States	Record daily precipitation	114.3 mm (4.5 in)	40 of 100 (Notable)
Hettinger	United States	Record daily precipitation	63.0 mm (2.5 in)	40 of 100 (Notable)
Greenville Dwtn AP	United States	Record low maximum temperature	17.2 C (63.0 F)	40 of 100 (Notable)
Waxahachie	United States	Record daily precipitation	89.4 mm (3.5 in)	40 of 100 (Notable)
Richfield Radio Ksvc	United States	Record low maximum temperature	15.6 C (60.1 F)	40 of 100 (Notable)
Braunschweig (T.H.)	Germany	Record daily precipitation	28.5 mm (1.1 in)	39 of 100 (Notable)
Stoneville Exp STN	United States	Record daily precipitation	57.7 mm (2.3 in)	39 of 100 (Notable)
Chadron 3SW	United States	Record daily precipitation	77.0 mm (3.0 in)	39 of 100 (Notable)
Moab	United States	Record low maximum temperature	18.9 C (66.0 F)	39 of 100 (Notable)
Douglas 1 SE	United States	Record daily precipitation	30.0 mm (1.2 in)	39 of 100 (Notable)
Meeker	United States	Record low maximum temperature	13.3 C (55.9 F)	38 of 100 (Notable)
Yazoo City	United States	Record daily precipitation	74.2 mm (2.9 in)	37 of 100 (Notable)
Savage	United States	Record daily precipitation	37.6 mm (1.5 in)	37 of 100 (Notable)
Escalante	United States	Record daily precipitation	30.7 mm (1.2 in)	37 of 100 (Notable)
Fillmore	United States	Record daily precipitation	34.5 mm (1.4 in)	37 of 100 (Notable)
El Dorado Goodwin Fld	United States	Record daily precipitation	58.4 mm (2.3 in)	37 of 100 (Notable)
Minnedosa	Canada	Record daily precipitation	29.5 mm (1.2 in)	36 of 100 (Notable)
Blakely	United States	Record daily precipitation	56.9 mm (2.2 in)	36 of 100 (Notable)
South Pass City	United States	Record low maximum temperature	3.3 C (37.9 F)	36 of 100 (Notable)
Williston Sloulin Fld	United States	Record daily precipitation	40.9 mm (1.6 in)	36 of 100 (Notable)
Rayachoti	India	Record daily precipitation	59.7 mm (2.4 in)	35 of 100 (Notable)
Lodgepole	United States	Record daily precipitation	66.8 mm (2.6 in)	35 of 100 (Notable)
Corsicana	United States	Record daily precipitation	43.9 mm (1.7 in)	35 of 100 (Notable)
Durango	United States	Record low maximum temperature	13.9 C (57.0 F)	34 of 100 (Routine)
Palisade	United States	Record low maximum temperature	16.1 C (61.0 F)	34 of 100 (Routine)

Counts by Type and Timescale

637 records

Records set or tied on 21 June 1947 by type: Highest daily maximum 15, Lowest daily maximum 219, Highest daily minimum 60, Lowest daily minimum 70, Heaviest daily rainfall 272, Heaviest daily snowfall 1.

Records on 21 June 1947 by type
Record type	Records
Highest daily maximum	15
Lowest daily maximum	219
Highest daily minimum	60
Lowest daily minimum	70
Heaviest daily rainfall	272
Heaviest daily snowfall	1
Deepest snow cover	0

Records on 21 June 1947 by timescale: all-time 2, monthly 14, daily 621.

How Much Records Were Beaten By

551 broken records

Margins by which the 551 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 66.8. Ties are not counted.

Top 20 by Significance

21 June 1947

Top 20 records on 21 June 1947 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 June 1947	Russell, CA	daily rain	69.1 mm (2.7 in)	47.0 mm (1.9 in)	58 years	63 of 100 (Major)
21 June 1947	Duiwelskloof (Mun), ZA	monthly rain	72.6 mm (2.9 in)	42.1 mm (1.7 in)	7 years	56 of 100 (Notable)
21 June 1947	Ozark 6 NNW, US	daily rain	85.6 mm (3.4 in)	63.5 mm (2.5 in)	41 years	56 of 100 (Notable)
21 June 1947	Minot Exp STN, US	daily rain	55.9 mm (2.2 in)	41.4 mm (1.6 in)	38 years	54 of 100 (Notable)
21 June 1947	Birtle, CA	daily rain	72.4 mm (2.9 in)	66.6 mm (2.6 in)	24 years	53 of 100 (Notable)
21 June 1947	Belle Fourche, US	daily rain	60.7 mm (2.4 in)	41.4 mm (1.6 in)	30 years	53 of 100 (Notable)
21 June 1947	Oelrichs, US	daily rain	83.3 mm (3.3 in)	55.4 mm (2.2 in)	30 years	53 of 100 (Notable)
21 June 1947	Chugwater, US	daily rain	60.7 mm (2.4 in)	40.4 mm (1.6 in)	32 years	53 of 100 (Notable)
21 June 1947	Harrisburg 12WNW, US	daily rain	58.4 mm (2.3 in)	52.6 mm (2.1 in)	32 years	52 of 100 (Notable)
21 June 1947	Spearfish, US	daily rain	78.5 mm (3.1 in)	41.9 mm (1.6 in)	44 years	52 of 100 (Notable)
21 June 1947	Ericson 8 WNW, US	daily rain	68.1 mm (2.7 in)	47.8 mm (1.9 in)	30 years	51 of 100 (Notable)
21 June 1947	Hermosa 3 SSW, US	monthly rain	104.6 mm (4.1 in)	30.2 mm (1.2 in)	24 years	51 of 100 (Notable)
21 June 1947	Richfield Radio Ksvc, US	daily rain	27.2 mm (1.1 in)	26.4 mm (1.0 in)	21 years	50 of 100 (Notable)
21 June 1947	Gillette 3SE, US	daily rain	49.5 mm (1.9 in)	36.5 mm (1.4 in)	24 years	50 of 100 (Notable)
21 June 1947	Hecla, US	daily rain	42.4 mm (1.7 in)	39.1 mm (1.5 in)	16 years	50 of 100 (Notable)
21 June 1947	Ardmore 1 NW, US	daily rain	58.9 mm (2.3 in)	49.5 mm (1.9 in)	18 years	49 of 100 (Notable)
21 June 1947	Laramie, US	daily rain	30.5 mm (1.2 in)	22.4 mm (0.9 in)	13 years	49 of 100 (Notable)
21 June 1947	Scottsbluff W B Heilig Fld AP, US	daily rain	53.8 mm (2.1 in)	36.0 mm (1.4 in)	18 years	49 of 100 (Notable)
21 June 1947	Bellary, IN	daily rain	76.2 mm (3.0 in)	61.5 mm (2.4 in)	16 years	48 of 100 (Notable)
21 June 1947	Denkanikottah, IN	daily rain	63.0 mm (2.5 in)	56.6 mm (2.2 in)	10 years	47 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 1947

Records set or tied on this calendar date in each year from 1802 to 1947. 1947 had 637 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 1947-06-21: 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	401
10 to 20	69
20 to 30	38
30 to 40	20
40 to 50	14
50 to 60	5
60 to 70	4