Weather Records on 21 June 1938

396 weather records were set or tied worldwide on 21 June 1938. Highest significance: Missoula 6 NW WFO, US.

Key Facts for 21 June 1938

On 21 June 1938, 396 weather records were set or tied at long-record stations worldwide.
173 were record highs and 76 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 15 monthly and 381 daily.
Missoula 6 NW WFO set a daily record precipitation of 39.1 mm (1.5 in) on 21 June 1938.
Across 165 earlier years (1802 to 2026) the same calendar date averaged 431 records.

Record Map

396 stations

396 station records on 21 June 1938 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 June 1938: highest significance records shown on the map
Station	Country	Type	Value	Significance
Missoula 6 NW WFO	United States	Record daily precipitation	39.1 mm (1.5 in)	54 of 100 (Notable)
Clarksville	United States	Record daily precipitation	62.2 mm (2.4 in)	45 of 100 (Notable)
Datia	India	Record daily precipitation	72.4 mm (2.9 in)	44 of 100 (Notable)
Dholpur	India	Record daily precipitation	76.2 mm (3.0 in)	44 of 100 (Notable)
Manohar Thana	India	Record daily precipitation	130.8 mm (5.1 in)	44 of 100 (Notable)
Hamilton	United States	Record daily precipitation	38.4 mm (1.5 in)	44 of 100 (Notable)
Iklera(Aklera)	India	Record daily precipitation	97.8 mm (3.9 in)	43 of 100 (Notable)
W Pt	United States	Record daily precipitation	99.8 mm (3.9 in)	43 of 100 (Notable)
Philipsburg	United States	Record daily precipitation	31.2 mm (1.2 in)	42 of 100 (Notable)
Dahlonega 4WSW	United States	Record daily precipitation	57.7 mm (2.3 in)	41 of 100 (Notable)
Myklebust I Breim	Norway	Record daily precipitation	55.0 mm (2.2 in)	37 of 100 (Notable)
Heavitree, Estcourt	South Africa	Record daily precipitation	30.5 mm (1.2 in)	37 of 100 (Notable)
Griffin	United States	Record daily precipitation	50.8 mm (2.0 in)	32 of 100 (Routine)
Combogolong	Australia	Record daily precipitation	26.7 mm (1.1 in)	31 of 100 (Routine)
Russelkonda	India	Record daily precipitation	83.8 mm (3.3 in)	31 of 100 (Routine)
Baran	India	Record daily precipitation	125.5 mm (4.9 in)	31 of 100 (Routine)
Ft Pierce	United States	Record daily precipitation	74.7 mm (2.9 in)	31 of 100 (Routine)
Antah	India	Record daily precipitation	48.3 mm (1.9 in)	30 of 100 (Routine)
Mahroni	India	Record daily precipitation	78.2 mm (3.1 in)	30 of 100 (Routine)
Morgan City	United States	Record daily precipitation	51.6 mm (2.0 in)	30 of 100 (Routine)
Lafayette Rgnl AP	United States	Record daily precipitation	65.0 mm (2.6 in)	30 of 100 (Routine)
Fort St James	Canada	Record high maximum temperature	33.3 C (91.9 F)	28 of 100 (Routine)
Gainesville UNIV of Fl	United States	Record low maximum temperature	26.1 C (79.0 F)	28 of 100 (Routine)
Ft Gaines	United States	Record daily precipitation	37.8 mm (1.5 in)	27 of 100 (Routine)
Montezuma 2 NW	United States	Record daily precipitation	38.6 mm (1.5 in)	27 of 100 (Routine)
Talbotton	United States	Record daily precipitation	47.8 mm (1.9 in)	27 of 100 (Routine)
Fredericton Unb	Canada	Record high maximum temperature	31.7 C (89.1 F)	26 of 100 (Routine)
Anupshahr	India	Record daily precipitation	49.0 mm (1.9 in)	26 of 100 (Routine)
Americus	United States	Record daily precipitation	68.6 mm (2.7 in)	26 of 100 (Routine)
Huntington	United States	Record daily precipitation	36.1 mm (1.4 in)	26 of 100 (Routine)
Concordia ASOS	United States	Record daily precipitation	35.3 mm (1.4 in)	26 of 100 (Routine)
Osmanabad	India	Record daily precipitation	70.6 mm (2.8 in)	25 of 100 (Routine)
Atru	India	Record daily precipitation	68.3 mm (2.7 in)	25 of 100 (Routine)
Orono	United States	Record high maximum temperature	34.4 C (93.9 F)	25 of 100 (Routine)
Genoa 2 W	United States	Record daily precipitation	40.6 mm (1.6 in)	25 of 100 (Routine)
Highlands	United States	Record daily precipitation	48.8 mm (1.9 in)	25 of 100 (Routine)
Canton	United States	Record high minimum temperature	27.2 C (81.0 F)	25 of 100 (Routine)
Forbes (Camp Street)	Australia	Record low minimum temperature	-2.7 C (27.1 F)	24 of 100 (Routine)
Nanaimo	Canada	Record high maximum temperature	30.0 C (86.0 F)	24 of 100 (Routine)
Saint John	Canada	Record high maximum temperature	27.8 C (82.0 F)	24 of 100 (Routine)
Khilchipur	India	Record daily precipitation	53.8 mm (2.1 in)	24 of 100 (Routine)
Bulandshahr	India	Record daily precipitation	109.0 mm (4.3 in)	24 of 100 (Routine)
Bilari	India	Record daily precipitation	73.2 mm (2.9 in)	24 of 100 (Routine)
Saint Leo	United States	Record low maximum temperature	26.7 C (80.1 F)	24 of 100 (Routine)
Portland	United States	Record high maximum temperature	32.8 C (91.0 F)	24 of 100 (Routine)
Florence #1	United States	Record low maximum temperature	25.0 C (77.0 F)	24 of 100 (Routine)
Brome	Canada	Record high maximum temperature	31.7 C (89.1 F)	23 of 100 (Routine)
Iglas	India	Record daily precipitation	134.6 mm (5.3 in)	23 of 100 (Routine)
Brooksville Chin Hill	United States	Record low maximum temperature	25.6 C (78.1 F)	23 of 100 (Routine)
Federal Pt	United States	Record low maximum temperature	27.2 C (81.0 F)	23 of 100 (Routine)
Plant City	United States	Record low maximum temperature	28.3 C (82.9 F)	23 of 100 (Routine)
Collegeville St John's	United States	Record daily precipitation	29.7 mm (1.2 in)	23 of 100 (Routine)
Chapel Hill 2 W	United States	Record low maximum temperature	22.8 C (73.0 F)	23 of 100 (Routine)
Moose Factory	Canada	Record high minimum temperature	18.3 C (64.9 F)	22 of 100 (Routine)
Bancroft	Canada	Record high maximum temperature	32.8 C (91.0 F)	22 of 100 (Routine)
Quebec	Canada	Record high maximum temperature	32.2 C (90.0 F)	22 of 100 (Routine)
Indore	India	Record daily precipitation	85.1 mm (3.4 in)	22 of 100 (Routine)
Millen 4 N	United States	Record daily precipitation	37.1 mm (1.5 in)	22 of 100 (Routine)
Bethlehem	United States	Record high maximum temperature	32.2 C (90.0 F)	22 of 100 (Routine)
Roanoke	United States	Record daily precipitation	36.8 mm (1.4 in)	22 of 100 (Routine)

Counts by Type and Timescale

396 records

Records set or tied on 21 June 1938 by type: Highest daily maximum 102, Lowest daily maximum 52, Highest daily minimum 71, Lowest daily minimum 24, Heaviest daily rainfall 147.

Records on 21 June 1938 by type
Record type	Records
Highest daily maximum	102
Lowest daily maximum	52
Highest daily minimum	71
Lowest daily minimum	24
Heaviest daily rainfall	147
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 21 June 1938 by timescale: all-time 0, monthly 15, daily 381.

How Much Records Were Beaten By

332 broken records

Margins by which the 332 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 67.3. Ties are not counted.

Top 20 by Significance

21 June 1938

Top 20 records on 21 June 1938 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 June 1938	Missoula 6 NW WFO, US	daily rain	39.1 mm (1.5 in)	28.7 mm (1.1 in)	35 years	54 of 100 (Notable)
21 June 1938	Clarksville, US	daily rain	62.2 mm (2.4 in)	44.9 mm (1.8 in)	17 years	45 of 100 (Notable)
21 June 1938	Datia, IN	daily rain	72.4 mm (2.9 in)	48.5 mm (1.9 in)	33 years	44 of 100 (Notable)
21 June 1938	Dholpur, IN	daily rain	76.2 mm (3.0 in)	53.8 mm (2.1 in)	33 years	44 of 100 (Notable)
21 June 1938	Manohar Thana, IN	daily rain	130.8 mm (5.1 in)	67.3 mm (2.6 in)	33 years	44 of 100 (Notable)
21 June 1938	Hamilton, US	monthly rain	38.4 mm (1.5 in)	11.7 mm (0.5 in)	30 years	44 of 100 (Notable)
21 June 1938	Iklera(Aklera), IN	daily rain	97.8 mm (3.9 in)	58.9 mm (2.3 in)	33 years	43 of 100 (Notable)
21 June 1938	W Pt, US	monthly rain	99.8 mm (3.9 in)	25.1 mm (1.0 in)	32 years	43 of 100 (Notable)
21 June 1938	Philipsburg, US	daily rain	31.2 mm (1.2 in)	18.5 mm (0.7 in)	31 years	42 of 100 (Notable)
21 June 1938	Dahlonega 4WSW, US	daily rain	57.7 mm (2.3 in)	36.6 mm (1.4 in)	17 years	41 of 100 (Notable)
21 June 1938	Myklebust I Breim, NO	monthly rain	55.0 mm (2.2 in)	12.3 mm (0.5 in)	13 years	37 of 100 (Notable)
21 June 1938	Heavitree, Estcourt, ZA	daily rain	30.5 mm (1.2 in)	28.0 mm (1.1 in)	15 years	37 of 100 (Notable)
21 June 1938	Griffin, US	daily rain	50.8 mm (2.0 in)	25.9 mm (1.0 in)	28 years	32 of 100 (Routine)
21 June 1938	Combogolong, AU	daily rain	26.7 mm (1.1 in)	13.0 mm (0.5 in)	50 years	31 of 100 (Routine)
21 June 1938	Russelkonda, IN	daily rain	83.8 mm (3.3 in)	45.7 mm (1.8 in)	17 years	31 of 100 (Routine)
21 June 1938	Baran, IN	monthly rain	125.5 mm (4.9 in)	20.9 mm (0.8 in)	29 years	31 of 100 (Routine)
21 June 1938	Ft Pierce, US	daily rain	74.7 mm (2.9 in)	30.8 mm (1.2 in)	32 years	31 of 100 (Routine)
21 June 1938	Antah, IN	daily rain	48.3 mm (1.9 in)	35.6 mm (1.4 in)	25 years	30 of 100 (Routine)
21 June 1938	Mahroni, IN	daily rain	78.2 mm (3.1 in)	27.9 mm (1.1 in)	27 years	30 of 100 (Routine)
21 June 1938	Morgan City, US	daily rain	51.6 mm (2.0 in)	31.5 mm (1.2 in)	27 years	30 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 1938

Records set or tied on this calendar date in each year from 1802 to 1938. 1938 had 396 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 1938-06-21: 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	273
10 to 20	28
20 to 30	13
30 to 40	6
40 to 50	7
50 to 60	4
60 to 70	1