Weather Records on 21 June 1940

674 weather records were set or tied worldwide on 21 June 1940. Highest significance: Beaconsfield Upper, AU.

Key Facts for 21 June 1940

On 21 June 1940, 674 weather records were set or tied at long-record stations worldwide.
84 were record highs and 447 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 6 monthly and 668 daily.
Beaconsfield Upper set a daily record precipitation of 37.1 mm (1.5 in) on 21 June 1940.
Across 165 earlier years (1802 to 2026) the same calendar date averaged 430 records.

Record Map

674 stations

674 station records on 21 June 1940 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 June 1940: highest significance records shown on the map
Station	Country	Type	Value	Significance
Beaconsfield Upper	Australia	Record daily precipitation	37.1 mm (1.5 in)	46 of 100 (Notable)
Gudivada	India	Record daily precipitation	97.8 mm (3.9 in)	46 of 100 (Notable)
St Georges	Canada	Record daily precipitation	39.4 mm (1.6 in)	45 of 100 (Notable)
Crescent City 3 NNW	United States	Record high minimum temperature	18.9 C (66.0 F)	44 of 100 (Notable)
Williams	United States	Record daily precipitation	25.4 mm (1.0 in)	39 of 100 (Notable)
Longwarry	Australia	Record daily precipitation	27.4 mm (1.1 in)	38 of 100 (Notable)
Gavar	Armenia	Record daily precipitation	33.5 mm (1.3 in)	37 of 100 (Notable)
Agar	India	Record daily precipitation	74.2 mm (2.9 in)	37 of 100 (Notable)
Westcliffe	United States	Record daily precipitation	37.6 mm (1.5 in)	37 of 100 (Notable)
Mornington	Australia	Record daily precipitation	39.6 mm (1.6 in)	36 of 100 (Notable)
French Island (Tankerton)	Australia	Record daily precipitation	25.4 mm (1.0 in)	35 of 100 (Notable)
Manamathurai	India	Record daily precipitation	53.6 mm (2.1 in)	35 of 100 (Notable)
Lardner (Brandie Braes)	Australia	Record daily precipitation	33.5 mm (1.3 in)	33 of 100 (Routine)
Warragul	Australia	Record daily precipitation	35.3 mm (1.4 in)	33 of 100 (Routine)
Kovvur	India	Record daily precipitation	64.0 mm (2.5 in)	33 of 100 (Routine)
Brookville	United States	Record low maximum temperature	7.8 C (46.0 F)	33 of 100 (Routine)
Gembrook	Australia	Record daily precipitation	36.6 mm (1.4 in)	30 of 100 (Routine)
Simcoe	Canada	Record low maximum temperature	16.7 C (62.1 F)	30 of 100 (Routine)
Kandukur	India	Record daily precipitation	25.4 mm (1.0 in)	30 of 100 (Routine)
Tupper Lake Sunmount	United States	Record low maximum temperature	8.9 C (48.0 F)	30 of 100 (Routine)
Drouin Bowling Club	Australia	Record daily precipitation	26.7 mm (1.1 in)	29 of 100 (Routine)
Narracan East (Lynnsmere)	Australia	Record daily precipitation	32.5 mm (1.3 in)	29 of 100 (Routine)
Zeehan Post Office	Australia	Record daily precipitation	56.6 mm (2.2 in)	29 of 100 (Routine)
Peddapuram	India	Record daily precipitation	50.8 mm (2.0 in)	29 of 100 (Routine)
Farmersburg	United States	Record low minimum temperature	6.7 C (44.1 F)	29 of 100 (Routine)
Markland Dam 39	United States	Record low minimum temperature	8.9 C (48.0 F)	29 of 100 (Routine)
Lexington Bluegrass AP	United States	Record low minimum temperature	10.0 C (50.0 F)	29 of 100 (Routine)
Kakinada	India	Record daily precipitation	46.2 mm (1.8 in)	28 of 100 (Routine)
Mahbubnagar	India	Record daily precipitation	87.6 mm (3.4 in)	28 of 100 (Routine)
Budgeree East (Claremont)	Australia	Record daily precipitation	34.3 mm (1.4 in)	27 of 100 (Routine)
Barpukhuri	India	Record daily precipitation	78.2 mm (3.1 in)	27 of 100 (Routine)
Sindgi	India	Record daily precipitation	51.3 mm (2.0 in)	27 of 100 (Routine)
Farmland 5 NNW	United States	Record low minimum temperature	3.9 C (39.0 F)	27 of 100 (Routine)
Wellsburg Wtr Trmt Pl	United States	Record low minimum temperature	2.8 C (37.0 F)	27 of 100 (Routine)
Pembroke Eddy Match	Canada	Record low minimum temperature	4.4 C (39.9 F)	26 of 100 (Routine)
Begumpet Obsy	India	Record daily precipitation	54.9 mm (2.2 in)	26 of 100 (Routine)
Williamsburg 2	United States	Record low minimum temperature	8.9 C (48.0 F)	26 of 100 (Routine)
Hagerstown 1E	United States	Record low minimum temperature	3.9 C (39.0 F)	26 of 100 (Routine)
Grantsville	United States	Record low minimum temperature	1.1 C (34.0 F)	26 of 100 (Routine)
Hakalau 142	United States	Record daily precipitation	33.5 mm (1.3 in)	26 of 100 (Routine)
Paris Stp	United States	Record low minimum temperature	5.6 C (42.1 F)	25 of 100 (Routine)
Red Lodge	United States	Record daily precipitation	30.5 mm (1.2 in)	25 of 100 (Routine)
Cape May 2 NW	United States	Record low minimum temperature	10.0 C (50.0 F)	25 of 100 (Routine)
Bosque del Apache	United States	Record daily precipitation	27.9 mm (1.1 in)	25 of 100 (Routine)
Harrisburg - Coop	United States	Record low minimum temperature	8.9 C (48.0 F)	25 of 100 (Routine)
Warragul (Carbethon)	Australia	Record daily precipitation	35.6 mm (1.4 in)	24 of 100 (Routine)
Berasia	India	Record daily precipitation	43.7 mm (1.7 in)	24 of 100 (Routine)
Oolitic Purdue Ex Fm	United States	Record low minimum temperature	6.7 C (44.1 F)	24 of 100 (Routine)
Washington 1 W	United States	Record low minimum temperature	8.9 C (48.0 F)	24 of 100 (Routine)
Maysville Wwtp	United States	Record low minimum temperature	8.3 C (46.9 F)	24 of 100 (Routine)
Keedysville	United States	Record low minimum temperature	5.0 C (41.0 F)	24 of 100 (Routine)
Aurora	United States	Record daily precipitation	26.7 mm (1.1 in)	24 of 100 (Routine)
Carlsbad	United States	Record low maximum temperature	23.3 C (73.9 F)	24 of 100 (Routine)
Hot Springs 2	United States	Record low minimum temperature	8.3 C (46.9 F)	24 of 100 (Routine)
Morganton	United States	Record low minimum temperature	8.9 C (48.0 F)	24 of 100 (Routine)
Beckley Va Hospital	United States	Record low minimum temperature	1.1 C (34.0 F)	24 of 100 (Routine)
Cet Central England	United Kingdom	Record low maximum temperature	15.1 C (59.2 F)	23 of 100 (Routine)
Kingman	United States	Record high minimum temperature	24.4 C (75.9 F)	23 of 100 (Routine)
Raiford State Prison	United States	Record low minimum temperature	15.6 C (60.1 F)	23 of 100 (Routine)
Palestine	United States	Record low minimum temperature	7.8 C (46.0 F)	23 of 100 (Routine)

Counts by Type and Timescale

674 records

Records set or tied on 21 June 1940 by type: Highest daily maximum 35, Lowest daily maximum 88, Highest daily minimum 49, Lowest daily minimum 359, Heaviest daily rainfall 143.

Records on 21 June 1940 by type
Record type	Records
Highest daily maximum	35
Lowest daily maximum	88
Highest daily minimum	49
Lowest daily minimum	359
Heaviest daily rainfall	143
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 21 June 1940 by timescale: all-time 0, monthly 6, daily 668.

How Much Records Were Beaten By

545 broken records

Margins by which the 545 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 73.7. Ties are not counted.

Top 20 by Significance

21 June 1940

Top 20 records on 21 June 1940 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 June 1940	Beaconsfield Upper, AU	daily rain	37.1 mm (1.5 in)	21.4 mm (0.8 in)	29 years	46 of 100 (Notable)
21 June 1940	Gudivada, IN	daily rain	97.8 mm (3.9 in)	73.7 mm (2.9 in)	8 years	46 of 100 (Notable)
21 June 1940	St Georges, CA	daily rain	39.4 mm (1.6 in)	28.0 mm (1.1 in)	4 years	45 of 100 (Notable)
21 June 1940	Crescent City 3 NNW, US	monthly high min	18.9 C (66.0 F)	4.5 C (8.1 F)	45 years	44 of 100 (Notable)
21 June 1940	Williams, US	daily rain	25.4 mm (1.0 in)	23.1 mm (0.9 in)	4 years	39 of 100 (Notable)
21 June 1940	Longwarry, AU	daily rain	27.4 mm (1.1 in)	14.7 mm (0.6 in)	29 years	38 of 100 (Notable)
21 June 1940	Gavar, AM	daily rain	33.5 mm (1.3 in)	15.5 mm (0.6 in)	32 years	37 of 100 (Notable)
21 June 1940	Agar, IN	daily rain	74.2 mm (2.9 in)	41.7 mm (1.6 in)	26 years	37 of 100 (Notable)
21 June 1940	Westcliffe, US	daily rain	37.6 mm (1.5 in)	19.6 mm (0.8 in)	22 years	37 of 100 (Notable)
21 June 1940	Mornington, AU	daily rain	39.6 mm (1.6 in)	6.3 mm (0.25 in)	65 years	36 of 100 (Notable)
21 June 1940	French Island (Tankerton), AU	daily rain	25.4 mm (1.0 in)	12.7 mm (0.5 in)	29 years	35 of 100 (Notable)
21 June 1940	Manamathurai, IN	daily rain	53.6 mm (2.1 in)	40.9 mm (1.6 in)	32 years	35 of 100 (Notable)
21 June 1940	Lardner (Brandie Braes), AU	daily rain	33.5 mm (1.3 in)	13.4 mm (0.5 in)	29 years	33 of 100 (Routine)
21 June 1940	Warragul, AU	daily rain	35.3 mm (1.4 in)	14.5 mm (0.6 in)	29 years	33 of 100 (Routine)
21 June 1940	Kovvur, IN	daily rain	64.0 mm (2.5 in)	41.6 mm (1.6 in)	26 years	33 of 100 (Routine)
21 June 1940	Brookville, US	monthly low max	7.8 C (46.0 F)	6.1 C (11.0 F)	23 years	33 of 100 (Routine)
21 June 1940	Gembrook, AU	daily rain	36.6 mm (1.4 in)	12.2 mm (0.5 in)	29 years	30 of 100 (Routine)
21 June 1940	Simcoe, CA	daily low max	16.7 C (62.1 F)	2.7 C (4.9 F)	58 years	30 of 100 (Routine)
21 June 1940	Kandukur, IN	daily rain	25.4 mm (1.0 in)	18.0 mm (0.7 in)	30 years	30 of 100 (Routine)
21 June 1940	Tupper Lake Sunmount, US	daily low max	8.9 C (48.0 F)	7.2 C (13.0 F)	37 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 1940

Records set or tied on this calendar date in each year from 1802 to 1940. 1940 had 674 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 1940-06-21: 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	493
10 to 20	36
20 to 30	8
30 to 40	4
40 to 50	3
50 to 60	0
60 to 70	0
70 to 80	1