Weather Records on 21 June 1948

392 weather records were set or tied worldwide on 21 June 1948. Highest significance: Hennessey 4 ESE, US.

Key Facts for 21 June 1948

On 21 June 1948, 392 weather records were set or tied at long-record stations worldwide.
70 were record highs and 126 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 9 monthly and 383 daily.
Hennessey 4 ESE set a monthly record daily precipitation of 115.6 mm (4.6 in) on 21 June 1948.
Across 165 earlier years (1802 to 2026) the same calendar date averaged 431 records.

Record Map

392 stations

392 station records on 21 June 1948 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 June 1948: highest significance records shown on the map
Station	Country	Type	Value	Significance
Hennessey 4 ESE	United States	Record daily precipitation	115.6 mm (4.6 in)	52 of 100 (Notable)
Holdenville 2SSE	United States	Record daily precipitation	149.1 mm (5.9 in)	51 of 100 (Notable)
Hill City Muni AP	United States	Record daily precipitation	107.4 mm (4.2 in)	51 of 100 (Notable)
Ft Hall 1 NNE	United States	Record daily precipitation	28.7 mm (1.1 in)	50 of 100 (Notable)
Park City G.C.	United States	Record daily precipitation	33.0 mm (1.3 in)	50 of 100 (Notable)
Scaddan Post Office	Australia	Record daily precipitation	25.9 mm (1.0 in)	48 of 100 (Notable)
Okemah	United States	Record daily precipitation	168.1 mm (6.6 in)	48 of 100 (Notable)
Eldon	United States	Record daily precipitation	85.1 mm (3.4 in)	47 of 100 (Notable)
Gajapathinagaram	India	Record daily precipitation	103.4 mm (4.1 in)	44 of 100 (Notable)
Ohotsk	Russia	Record daily precipitation	33.7 mm (1.3 in)	40 of 100 (Notable)
Gothenburg	United States	Record daily precipitation	68.8 mm (2.7 in)	40 of 100 (Notable)
Richmond	United States	Record daily precipitation	28.2 mm (1.1 in)	40 of 100 (Notable)
Eufaula	United States	Record daily precipitation	62.2 mm (2.4 in)	39 of 100 (Notable)
Jagatsingpur	India	Record daily precipitation	106.7 mm (4.2 in)	38 of 100 (Notable)
Harrow Cda	Canada	Record daily precipitation	36.6 mm (1.4 in)	36 of 100 (Notable)
Roberts 3 N	United States	Record daily precipitation	62.2 mm (2.4 in)	36 of 100 (Notable)
Red Cloud	United States	Record daily precipitation	48.3 mm (1.9 in)	36 of 100 (Notable)
Springfield	United States	Record daily precipitation	38.6 mm (1.5 in)	35 of 100 (Notable)
Irwin 2 SE	United States	Record daily precipitation	25.1 mm (1.0 in)	35 of 100 (Notable)
Bristow	United States	Record daily precipitation	115.6 mm (4.6 in)	35 of 100 (Notable)
Uccle	Belgium	Record low minimum temperature	4.7 C (40.5 F)	34 of 100 (Routine)
Jefferson City Wtp	United States	Record daily precipitation	60.2 mm (2.4 in)	34 of 100 (Routine)
Haripad	India	Record daily precipitation	132.3 mm (5.2 in)	33 of 100 (Routine)
Paola	United States	Record daily precipitation	36.3 mm (1.4 in)	32 of 100 (Routine)
Osceola 3 NE	United States	Record daily precipitation	77.7 mm (3.1 in)	32 of 100 (Routine)
Bhore(Borch)	India	Record daily precipitation	127.0 mm (5.0 in)	31 of 100 (Routine)
Hermann	United States	Record daily precipitation	79.2 mm (3.1 in)	31 of 100 (Routine)
Crow Agency	United States	Record daily precipitation	35.3 mm (1.4 in)	31 of 100 (Routine)
Bolivar 1 NE	United States	Record daily precipitation	65.0 mm (2.6 in)	30 of 100 (Routine)
Curtis	United States	Record daily precipitation	41.4 mm (1.6 in)	30 of 100 (Routine)
Mangalore	India	Record daily precipitation	165.1 mm (6.5 in)	29 of 100 (Routine)
Kanas	India	Record daily precipitation	99.3 mm (3.9 in)	29 of 100 (Routine)
Rico	United States	Record daily snowfall	5.1 cm (2.0 in)	29 of 100 (Routine)
Challis	United States	Record daily precipitation	32.5 mm (1.3 in)	29 of 100 (Routine)
Jacksonville 2E	United States	Record daily precipitation	49.8 mm (2.0 in)	29 of 100 (Routine)
Shawnee	United States	Record daily precipitation	184.9 mm (7.3 in)	29 of 100 (Routine)
Meredith	Australia	Record daily precipitation	27.4 mm (1.1 in)	28 of 100 (Routine)
Mavelikara	India	Record daily precipitation	132.8 mm (5.2 in)	28 of 100 (Routine)
Bandwan	India	Record daily precipitation	96.5 mm (3.8 in)	28 of 100 (Routine)
Kjahta	Russia	Record high minimum temperature	20.0 C (68.0 F)	28 of 100 (Routine)
Columbus	United States	Record daily precipitation	65.5 mm (2.6 in)	28 of 100 (Routine)
Newton	United States	Record daily precipitation	53.8 mm (2.1 in)	28 of 100 (Routine)
Dulce	United States	Record low maximum temperature	17.8 C (64.0 F)	28 of 100 (Routine)
Wagoner	United States	Record daily precipitation	69.3 mm (2.7 in)	28 of 100 (Routine)
Alunite	United States	Record low maximum temperature	15.0 C (59.0 F)	28 of 100 (Routine)
Yellow Mountain	Australia	Record daily precipitation	40.6 mm (1.6 in)	27 of 100 (Routine)
Kursk	Russia	Record high minimum temperature	19.8 C (67.6 F)	26 of 100 (Routine)
Meeker 5 W	United States	Record daily precipitation	114.3 mm (4.5 in)	26 of 100 (Routine)
Norman 3SSE	United States	Record daily precipitation	69.6 mm (2.7 in)	26 of 100 (Routine)
Cedar Lake	United States	Record daily precipitation	54.4 mm (2.1 in)	26 of 100 (Routine)
Sakri	India	Record daily precipitation	48.3 mm (1.9 in)	25 of 100 (Routine)
Balandapara	India	Record daily precipitation	135.9 mm (5.4 in)	25 of 100 (Routine)
Astrakan	Russia	Record high minimum temperature	24.9 C (76.8 F)	25 of 100 (Routine)
Lebo	United States	Record daily precipitation	31.0 mm (1.2 in)	25 of 100 (Routine)
Lamar 7N	United States	Record daily precipitation	64.8 mm (2.6 in)	25 of 100 (Routine)
Balmattum East	Australia	Record daily precipitation	28.7 mm (1.1 in)	24 of 100 (Routine)
Kargopol	Russia	Record daily precipitation	27.2 mm (1.1 in)	24 of 100 (Routine)
Bogoroditskoye-Fenino	Russia	Record high minimum temperature	17.4 C (63.3 F)	24 of 100 (Routine)
Fulton	United States	Record daily precipitation	64.8 mm (2.6 in)	24 of 100 (Routine)
Paulo Afonso	Brazil	Record daily precipitation	43.0 mm (1.7 in)	23 of 100 (Routine)

Counts by Type and Timescale

392 records

Records set or tied on 21 June 1948 by type: Highest daily maximum 12, Lowest daily maximum 96, Highest daily minimum 58, Lowest daily minimum 30, Heaviest daily rainfall 194, Heaviest daily snowfall 2.

Records on 21 June 1948 by type
Record type	Records
Highest daily maximum	12
Lowest daily maximum	96
Highest daily minimum	58
Lowest daily minimum	30
Heaviest daily rainfall	194
Heaviest daily snowfall	2
Deepest snow cover	0

Records on 21 June 1948 by timescale: all-time 0, monthly 9, daily 383.

How Much Records Were Beaten By

322 broken records

Margins by which the 322 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 88.6. Ties are not counted.

Top 20 by Significance

21 June 1948

Top 20 records on 21 June 1948 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 June 1948	Hennessey 4 ESE, US	monthly rain	115.6 mm (4.6 in)	46.5 mm (1.8 in)	12 years	52 of 100 (Notable)
21 June 1948	Holdenville 2SSE, US	monthly rain	149.1 mm (5.9 in)	46.2 mm (1.8 in)	40 years	51 of 100 (Notable)
21 June 1948	Hill City Muni AP, US	daily rain	107.4 mm (4.2 in)	88.6 mm (3.5 in)	25 years	51 of 100 (Notable)
21 June 1948	Ft Hall 1 NNE, US	daily rain	28.7 mm (1.1 in)	27.7 mm (1.1 in)	25 years	50 of 100 (Notable)
21 June 1948	Park City G.C., US	daily rain	33.0 mm (1.3 in)	22.8 mm (0.9 in)	30 years	50 of 100 (Notable)
21 June 1948	Scaddan Post Office, AU	daily rain	25.9 mm (1.0 in)	20.1 mm (0.8 in)	40 years	48 of 100 (Notable)
21 June 1948	Okemah, US	monthly rain	168.1 mm (6.6 in)	59.6 mm (2.3 in)	8 years	48 of 100 (Notable)
21 June 1948	Eldon, US	daily rain	85.1 mm (3.4 in)	57.7 mm (2.3 in)	9 years	47 of 100 (Notable)
21 June 1948	Gajapathinagaram, IN	daily rain	103.4 mm (4.1 in)	76.5 mm (3.0 in)	1 year	44 of 100 (Notable)
21 June 1948	Ohotsk, RU	daily rain	33.7 mm (1.3 in)	22.7 mm (0.9 in)	7 years	40 of 100 (Notable)
21 June 1948	Gothenburg, US	daily rain	68.8 mm (2.7 in)	47.0 mm (1.9 in)	6 years	40 of 100 (Notable)
21 June 1948	Richmond, US	daily rain	28.2 mm (1.1 in)	16.8 mm (0.7 in)	25 years	40 of 100 (Notable)
21 June 1948	Eufaula, US	daily rain	62.2 mm (2.4 in)	38.3 mm (1.5 in)	26 years	39 of 100 (Notable)
21 June 1948	Jagatsingpur, IN	daily rain	106.7 mm (4.2 in)	68.6 mm (2.7 in)	32 years	38 of 100 (Notable)
21 June 1948	Harrow Cda, CA	daily rain	36.6 mm (1.4 in)	23.9 mm (0.9 in)	28 years	36 of 100 (Notable)
21 June 1948	Roberts 3 N, US	daily rain	62.2 mm (2.4 in)	36.8 mm (1.4 in)	9 years	36 of 100 (Notable)
21 June 1948	Red Cloud, US	daily rain	48.3 mm (1.9 in)	29.2 mm (1.1 in)	39 years	36 of 100 (Notable)
21 June 1948	Springfield, US	daily rain	38.6 mm (1.5 in)	36.1 mm (1.4 in)	23 years	35 of 100 (Notable)
21 June 1948	Irwin 2 SE, US	daily rain	25.1 mm (1.0 in)	13.7 mm (0.5 in)	32 years	35 of 100 (Notable)
21 June 1948	Bristow, US	monthly rain	115.6 mm (4.6 in)	30.0 mm (1.2 in)	20 years	35 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 1948

Records set or tied on this calendar date in each year from 1802 to 1948. 1948 had 392 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 1948-06-21: 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	276
20 to 40	28
40 to 60	13
60 to 80	3
80 to 100	2