Weather Records on 21 June 1964

458 weather records were set or tied worldwide on 21 June 1964. Highest significance: Walebing, AU.

Key Facts for 21 June 1964

On 21 June 1964, 458 weather records were set or tied at long-record stations worldwide.
116 were record highs and 93 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 5 monthly and 453 daily.
Walebing set a daily record precipitation of 54.9 mm (2.2 in) on 21 June 1964.
Across 165 earlier years (1802 to 2026) the same calendar date averaged 431 records.

Record Map

458 stations

458 station records on 21 June 1964 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 June 1964: highest significance records shown on the map
Station	Country	Type	Value	Significance
Walebing	Australia	Record daily precipitation	54.9 mm (2.2 in)	58 of 100 (Notable)
Ntywenka (Bos)	South Africa	Record daily precipitation	40.4 mm (1.6 in)	53 of 100 (Notable)
Quanaminning	Australia	Record daily precipitation	43.4 mm (1.7 in)	52 of 100 (Notable)
Touros	Brazil	Record daily precipitation	83.3 mm (3.3 in)	51 of 100 (Notable)
Heber	United States	Record daily precipitation	30.7 mm (1.2 in)	51 of 100 (Notable)
Colunio	Australia	Record daily precipitation	46.5 mm (1.8 in)	49 of 100 (Notable)
Bathurst	Australia	Record daily precipitation	38.1 mm (1.5 in)	46 of 100 (Notable)
Philippi	United States	Record daily precipitation	60.7 mm (2.4 in)	45 of 100 (Notable)
Cambridge Galt Moe	Canada	Record daily precipitation	34.3 mm (1.4 in)	44 of 100 (Notable)
Wye Wye	Australia	Record daily precipitation	37.6 mm (1.5 in)	43 of 100 (Notable)
Doodlakine	Australia	Record daily precipitation	30.0 mm (1.2 in)	43 of 100 (Notable)
Wilsonville	United States	Record daily precipitation	55.9 mm (2.2 in)	43 of 100 (Notable)
Shevgaon	India	Record daily precipitation	110.5 mm (4.4 in)	42 of 100 (Notable)
Snake Creek Powerhouse	United States	Record daily precipitation	30.5 mm (1.2 in)	42 of 100 (Notable)
Meckering	Australia	Record daily precipitation	31.2 mm (1.2 in)	41 of 100 (Notable)
Reitz 36	South Africa	Record daily precipitation	39.0 mm (1.5 in)	41 of 100 (Notable)
Roselea	Australia	Record daily precipitation	32.0 mm (1.3 in)	39 of 100 (Notable)
Olivedos (Sao Francisco)	Brazil	Record daily precipitation	51.2 mm (2.0 in)	39 of 100 (Notable)
Lake Pingrup	Australia	Record daily precipitation	26.9 mm (1.1 in)	38 of 100 (Notable)
Graball	Australia	Record daily precipitation	27.2 mm (1.1 in)	37 of 100 (Notable)
Decatur Wtp	United States	Record daily precipitation	58.2 mm (2.3 in)	37 of 100 (Notable)
Saint Johns	United States	Record daily precipitation	49.8 mm (2.0 in)	36 of 100 (Notable)
Alpine	United States	Record daily precipitation	26.4 mm (1.0 in)	36 of 100 (Notable)
Marianna Sch For Boys	United States	Record daily precipitation	40.1 mm (1.6 in)	35 of 100 (Notable)
Pocomoke City	United States	Record daily precipitation	36.1 mm (1.4 in)	35 of 100 (Notable)
Silver Lake Brighton	United States	Record daily snowfall	10.2 cm (4.0 in)	35 of 100 (Notable)
Belka	Australia	Record daily precipitation	27.9 mm (1.1 in)	34 of 100 (Routine)
Lake Grace Comparison	Australia	Record daily precipitation	29.2 mm (1.1 in)	34 of 100 (Routine)
Mount Madden	Australia	Record daily precipitation	25.7 mm (1.0 in)	34 of 100 (Routine)
Alagoa Nova (Laranjeiras)	Brazil	Record daily precipitation	68.5 mm (2.7 in)	33 of 100 (Routine)
Orleans 2 W	United States	Record daily precipitation	47.8 mm (1.9 in)	33 of 100 (Routine)
Onida 4 NW	United States	Record daily precipitation	29.0 mm (1.1 in)	33 of 100 (Routine)
Benkelman 1N	United States	Record daily precipitation	43.9 mm (1.7 in)	31 of 100 (Routine)
Warsaw 2 NW	United States	Record daily precipitation	45.5 mm (1.8 in)	31 of 100 (Routine)
Kingman	United States	Record low maximum temperature	25.0 C (77.0 F)	30 of 100 (Routine)
Julesburg	United States	Record daily precipitation	27.9 mm (1.1 in)	30 of 100 (Routine)
Waverly	United States	Record daily precipitation	76.2 mm (3.0 in)	30 of 100 (Routine)
Alma	United States	Record daily precipitation	53.3 mm (2.1 in)	30 of 100 (Routine)
Greensboro Lock 7	United States	Record daily precipitation	28.2 mm (1.1 in)	30 of 100 (Routine)
Fredericksburg Np	United States	Record daily precipitation	49.0 mm (1.9 in)	30 of 100 (Routine)
Ferndale	Australia	Record daily precipitation	48.8 mm (1.9 in)	29 of 100 (Routine)
Oakland	Australia	Record daily precipitation	41.7 mm (1.6 in)	29 of 100 (Routine)
Presa Parral	Mexico	Record daily precipitation	31.8 mm (1.3 in)	29 of 100 (Routine)
Quincy Mem Brg	United States	Record daily precipitation	66.5 mm (2.6 in)	29 of 100 (Routine)
Princess Anne	United States	Record daily precipitation	36.8 mm (1.4 in)	29 of 100 (Routine)
Shelbyville	United States	Record daily precipitation	74.2 mm (2.9 in)	29 of 100 (Routine)
Mundaring Weir	Australia	Record daily precipitation	69.1 mm (2.7 in)	28 of 100 (Routine)
Wannamal	Australia	Record daily precipitation	33.3 mm (1.3 in)	28 of 100 (Routine)
Newark Ag Farm	United States	Record high minimum temperature	21.7 C (71.1 F)	28 of 100 (Routine)
Concordia ASOS	United States	Record daily precipitation	55.4 mm (2.2 in)	28 of 100 (Routine)
Bridgetown Comparison	Australia	Record daily precipitation	40.9 mm (1.6 in)	27 of 100 (Routine)
Barra de Santa Rosa	Brazil	Record daily precipitation	26.5 mm (1.0 in)	27 of 100 (Routine)
Bremen-Seefahrtschule	Germany	Record low minimum temperature	3.4 C (38.1 F)	27 of 100 (Routine)
College Park	United States	Record high minimum temperature	23.9 C (75.0 F)	27 of 100 (Routine)
Silver Lake Brighton	United States	Record daily precipitation	49.8 mm (2.0 in)	27 of 100 (Routine)
Avoca	Australia	Record daily precipitation	27.9 mm (1.1 in)	26 of 100 (Routine)
Clinton 1SSW	United States	Record daily precipitation	65.5 mm (2.6 in)	26 of 100 (Routine)
Atwood	United States	Record daily precipitation	30.7 mm (1.2 in)	26 of 100 (Routine)
Ashland	United States	Record daily precipitation	50.8 mm (2.0 in)	26 of 100 (Routine)
Geisenheim	Germany	Record low minimum temperature	5.2 C (41.4 F)	25 of 100 (Routine)

Counts by Type and Timescale

458 records

Records set or tied on 21 June 1964 by type: Highest daily maximum 55, Lowest daily maximum 36, Highest daily minimum 61, Lowest daily minimum 57, Heaviest daily rainfall 246, Heaviest daily snowfall 2, Deepest snow cover 1.

Records on 21 June 1964 by type
Record type	Records
Highest daily maximum	55
Lowest daily maximum	36
Highest daily minimum	61
Lowest daily minimum	57
Heaviest daily rainfall	246
Heaviest daily snowfall	2
Deepest snow cover	1

Records on 21 June 1964 by timescale: all-time 0, monthly 5, daily 453.

How Much Records Were Beaten By

373 broken records

Margins by which the 373 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 102.0. Ties are not counted.

Top 20 by Significance

21 June 1964

Top 20 records on 21 June 1964 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 June 1964	Walebing, AU	daily rain	54.9 mm (2.2 in)	31.0 mm (1.2 in)	41 years	58 of 100 (Notable)
21 June 1964	Ntywenka (Bos), ZA	daily rain	40.4 mm (1.6 in)	36.8 mm (1.4 in)	31 years	53 of 100 (Notable)
21 June 1964	Quanaminning, AU	daily rain	43.4 mm (1.7 in)	25.6 mm (1.0 in)	47 years	52 of 100 (Notable)
21 June 1964	Touros, BR	daily rain	83.3 mm (3.3 in)	54.3 mm (2.1 in)	50 years	51 of 100 (Notable)
21 June 1964	Heber, US	daily rain	30.7 mm (1.2 in)	21.3 mm (0.8 in)	16 years	51 of 100 (Notable)
21 June 1964	Colunio, AU	daily rain	46.5 mm (1.8 in)	21.6 mm (0.9 in)	47 years	49 of 100 (Notable)
21 June 1964	Bathurst, AU	daily rain	38.1 mm (1.5 in)	19.0 mm (0.7 in)	47 years	46 of 100 (Notable)
21 June 1964	Philippi, US	daily rain	60.7 mm (2.4 in)	22.6 mm (0.9 in)	59 years	45 of 100 (Notable)
21 June 1964	Cambridge Galt Moe, CA	daily rain	34.3 mm (1.4 in)	13.5 mm (0.5 in)	74 years	44 of 100 (Notable)
21 June 1964	Wye Wye, AU	daily rain	37.6 mm (1.5 in)	17.3 mm (0.7 in)	47 years	43 of 100 (Notable)
21 June 1964	Doodlakine, AU	daily rain	30.0 mm (1.2 in)	13.2 mm (0.5 in)	47 years	43 of 100 (Notable)
21 June 1964	Wilsonville, US	daily rain	55.9 mm (2.2 in)	23.6 mm (0.9 in)	60 years	43 of 100 (Notable)
21 June 1964	Shevgaon, IN	daily rain	110.5 mm (4.4 in)	60.7 mm (2.4 in)	10 years	42 of 100 (Notable)
21 June 1964	Snake Creek Powerhouse, US	daily rain	30.5 mm (1.2 in)	17.8 mm (0.7 in)	13 years	42 of 100 (Notable)
21 June 1964	Meckering, AU	daily rain	31.2 mm (1.2 in)	16.2 mm (0.6 in)	47 years	41 of 100 (Notable)
21 June 1964	Reitz 36, ZA	monthly rain	39.0 mm (1.5 in)	9.8 mm (0.39 in)	30 years	41 of 100 (Notable)
21 June 1964	Roselea, AU	daily rain	32.0 mm (1.3 in)	12.2 mm (0.5 in)	47 years	39 of 100 (Notable)
21 June 1964	Olivedos (Sao Francisco), BR	daily rain	51.2 mm (2.0 in)	31.1 mm (1.2 in)	21 years	39 of 100 (Notable)
21 June 1964	Lake Pingrup, AU	daily rain	26.9 mm (1.1 in)	10.6 mm (0.4 in)	47 years	38 of 100 (Notable)
21 June 1964	Graball, AU	daily rain	27.2 mm (1.1 in)	15.3 mm (0.6 in)	19 years	37 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 1964

Records set or tied on this calendar date in each year from 1802 to 1964. 1964 had 458 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 1964-06-21: 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	345
20 to 40	24
40 to 60	1
60 to 80	2
80 to 100	0
100 to 120	1