Weather Records on 21 July 1964

457 weather records were set or tied worldwide on 21 July 1964. Highest significance: Beaufort Wwtp, US.

Key Facts for 21 July 1964

On 21 July 1964, 457 weather records were set or tied at long-record stations worldwide.
149 were record highs and 67 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 5 monthly and 451 daily.
Beaufort Wwtp set a daily record precipitation of 134.6 mm (5.3 in) on 21 July 1964.
Across 159 earlier years (1794 to 2026) the same calendar date averaged 467 records.

Record Map

457 stations

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

Weather records on 21 July 1964: highest significance records shown on the map
Station	Country	Type	Value	Significance
Beaufort Wwtp	United States	Record daily precipitation	134.6 mm (5.3 in)	65 of 100 (Major)
Athani	India	Record daily precipitation	69.2 mm (2.7 in)	61 of 100 (Major)
Malur	India	Record daily precipitation	86.4 mm (3.4 in)	60 of 100 (Major)
Hosur	India	Record daily precipitation	89.3 mm (3.5 in)	60 of 100 (Major)
Madanapalli	India	Record daily precipitation	76.4 mm (3.0 in)	58 of 100 (Notable)
Yemassee 1 N	United States	Record daily precipitation	102.1 mm (4.0 in)	57 of 100 (Notable)
Rayachoti	India	Record daily precipitation	92.5 mm (3.6 in)	55 of 100 (Notable)
Lakkireddipalam	India	Record daily precipitation	139.7 mm (5.5 in)	55 of 100 (Notable)
Brodhead Wwtp	United States	Record daily precipitation	72.1 mm (2.8 in)	55 of 100 (Notable)
Anekal	India	Record daily precipitation	74.9 mm (2.9 in)	52 of 100 (Notable)
Madurai	India	Record daily precipitation	63.2 mm (2.5 in)	51 of 100 (Notable)
Kollegal	India	Record daily precipitation	75.7 mm (3.0 in)	50 of 100 (Notable)
Chintamani	India	Record daily precipitation	63.5 mm (2.5 in)	49 of 100 (Notable)
Yercaud	India	Record daily precipitation	107.8 mm (4.2 in)	48 of 100 (Notable)
Caroleen	United States	Record daily precipitation	79.2 mm (3.1 in)	48 of 100 (Notable)
Nidamangalam	India	Record daily precipitation	65.1 mm (2.6 in)	47 of 100 (Notable)
Bangarpet	India	Record daily precipitation	50.0 mm (2.0 in)	46 of 100 (Notable)
Shirpur	India	Record daily precipitation	151.0 mm (5.9 in)	46 of 100 (Notable)
Rajampet	India	Record daily precipitation	87.1 mm (3.4 in)	45 of 100 (Notable)
Venkatagiri	India	Record daily precipitation	103.8 mm (4.1 in)	43 of 100 (Notable)
Mount Caroline	Australia	Record daily precipitation	29.0 mm (1.1 in)	42 of 100 (Notable)
Uniao Dos Palmares	Brazil	Record daily precipitation	50.0 mm (2.0 in)	41 of 100 (Notable)
Nellore	India	Record daily precipitation	52.3 mm (2.1 in)	41 of 100 (Notable)
Malegaon	India	Record daily precipitation	60.0 mm (2.4 in)	41 of 100 (Notable)
Srinivaspur	India	Record daily precipitation	57.4 mm (2.3 in)	40 of 100 (Notable)
Gobichettipalaya	India	Record daily precipitation	50.3 mm (2.0 in)	40 of 100 (Notable)
Kadiri	India	Record daily precipitation	56.9 mm (2.2 in)	39 of 100 (Notable)
Devanhalli	India	Record daily precipitation	86.9 mm (3.4 in)	39 of 100 (Notable)
Mulbagal	India	Record daily precipitation	50.8 mm (2.0 in)	39 of 100 (Notable)
Uthankarai	India	Record daily precipitation	56.0 mm (2.2 in)	39 of 100 (Notable)
Tallakulam	India	Record daily precipitation	54.2 mm (2.1 in)	39 of 100 (Notable)
Wadley	United States	Record daily precipitation	63.8 mm (2.5 in)	39 of 100 (Notable)
Sidhout(Siddavat)	India	Record daily precipitation	70.0 mm (2.8 in)	38 of 100 (Notable)
Nelamangala	India	Record daily precipitation	61.0 mm (2.4 in)	38 of 100 (Notable)
Cuddapah	India	Record daily precipitation	72.2 mm (2.8 in)	37 of 100 (Notable)
Vempalli	India	Record daily precipitation	66.0 mm (2.6 in)	37 of 100 (Notable)
Kavali	India	Record daily precipitation	59.6 mm (2.3 in)	37 of 100 (Notable)
Nannilam	India	Record daily precipitation	43.0 mm (1.7 in)	37 of 100 (Notable)
Tomahawk Creek North Station	Australia	Record daily precipitation	26.2 mm (1.0 in)	36 of 100 (Notable)
Fokstua	Norway	Record daily precipitation	27.7 mm (1.1 in)	36 of 100 (Notable)
Cordova 2 ENE	United States	Record daily precipitation	59.2 mm (2.3 in)	36 of 100 (Notable)
Santaravur	India	Record daily precipitation	60.0 mm (2.4 in)	35 of 100 (Notable)
Ponneri	India	Record daily precipitation	41.0 mm (1.6 in)	35 of 100 (Notable)
Uppiliyapuram	India	Record daily precipitation	31.0 mm (1.2 in)	35 of 100 (Notable)
Newton	United States	Record daily precipitation	87.1 mm (3.4 in)	35 of 100 (Notable)
Gadag	India	Record daily precipitation	26.1 mm (1.0 in)	34 of 100 (Routine)
Sajjangarh	India	Record daily precipitation	95.3 mm (3.8 in)	34 of 100 (Routine)
Periakulam	India	Record daily precipitation	30.0 mm (1.2 in)	34 of 100 (Routine)
Norsk	Russia	Record daily precipitation	44.1 mm (1.7 in)	34 of 100 (Routine)
Madha	India	Record daily precipitation	38.1 mm (1.5 in)	33 of 100 (Routine)
Melur	India	Record daily precipitation	36.0 mm (1.4 in)	33 of 100 (Routine)
Georgetown Post Office	Australia	Record high maximum temperature	36.1 C (97.0 F)	32 of 100 (Routine)
Freiburg	Germany	Record high minimum temperature	20.0 C (68.0 F)	32 of 100 (Routine)
Chamarajnagar	India	Record daily precipitation	36.8 mm (1.4 in)	32 of 100 (Routine)
Tittagudi	India	Record daily precipitation	42.2 mm (1.7 in)	32 of 100 (Routine)
Dharmapuri	India	Record daily precipitation	60.6 mm (2.4 in)	32 of 100 (Routine)
Valapady	India	Record daily precipitation	35.0 mm (1.4 in)	32 of 100 (Routine)
Riva	Italy	Record high maximum temperature	33.0 C (91.4 F)	32 of 100 (Routine)
Salem	United States	Record daily precipitation	54.1 mm (2.1 in)	32 of 100 (Routine)
Regensburg	Germany	Record high maximum temperature	34.3 C (93.7 F)	31 of 100 (Routine)

Counts by Type and Timescale

457 records

Records set or tied on 21 July 1964 by type: Highest daily maximum 71, Lowest daily maximum 54, Highest daily minimum 78, Lowest daily minimum 13, Heaviest daily rainfall 241.

Records on 21 July 1964 by type
Record type	Records
Highest daily maximum	71
Lowest daily maximum	54
Highest daily minimum	78
Lowest daily minimum	13
Heaviest daily rainfall	241
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 21 July 1964 by timescale: all-time 1, monthly 5, daily 451.

How Much Records Were Beaten By

377 broken records

Margins by which the 377 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 80.0. Ties are not counted.

Top 20 by Significance

21 July 1964

Top 20 records on 21 July 1964 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 July 1964	Beaufort Wwtp, US	daily rain	134.6 mm (5.3 in)	80.0 mm (3.1 in)	62 years	65 of 100 (Major)
21 July 1964	Athani, IN	daily rain	69.2 mm (2.7 in)	46.3 mm (1.8 in)	52 years	61 of 100 (Major)
21 July 1964	Malur, IN	daily rain	86.4 mm (3.4 in)	58.0 mm (2.3 in)	49 years	60 of 100 (Major)
21 July 1964	Hosur, IN	daily rain	89.3 mm (3.5 in)	45.4 mm (1.8 in)	49 years	60 of 100 (Major)
21 July 1964	Madanapalli, IN	daily rain	76.4 mm (3.0 in)	45.7 mm (1.8 in)	46 years	58 of 100 (Notable)
21 July 1964	Yemassee 1 N, US	daily rain	102.1 mm (4.0 in)	64.0 mm (2.5 in)	42 years	57 of 100 (Notable)
21 July 1964	Rayachoti, IN	daily rain	92.5 mm (3.6 in)	59.5 mm (2.3 in)	33 years	55 of 100 (Notable)
21 July 1964	Lakkireddipalam, IN	monthly rain	139.7 mm (5.5 in)	53.6 mm (2.1 in)	12 years	55 of 100 (Notable)
21 July 1964	Brodhead Wwtp, US	daily rain	72.1 mm (2.8 in)	51.0 mm (2.0 in)	40 years	55 of 100 (Notable)
21 July 1964	Anekal, IN	daily rain	74.9 mm (2.9 in)	39.3 mm (1.5 in)	46 years	52 of 100 (Notable)
21 July 1964	Madurai, IN	daily rain	63.2 mm (2.5 in)	44.9 mm (1.8 in)	54 years	51 of 100 (Notable)
21 July 1964	Kollegal, IN	daily rain	75.7 mm (3.0 in)	44.2 mm (1.7 in)	15 years	50 of 100 (Notable)
21 July 1964	Chintamani, IN	daily rain	63.5 mm (2.5 in)	39.4 mm (1.6 in)	46 years	49 of 100 (Notable)
21 July 1964	Yercaud, IN	daily rain	107.8 mm (4.2 in)	60.0 mm (2.4 in)	15 years	48 of 100 (Notable)
21 July 1964	Caroleen, US	daily rain	79.2 mm (3.1 in)	59.1 mm (2.3 in)	8 years	48 of 100 (Notable)
21 July 1964	Nidamangalam, IN	daily rain	65.1 mm (2.6 in)	47.3 mm (1.9 in)	49 years	47 of 100 (Notable)
21 July 1964	Bangarpet, IN	daily rain	50.0 mm (2.0 in)	35.8 mm (1.4 in)	49 years	46 of 100 (Notable)
21 July 1964	Shirpur, IN	daily rain	151.0 mm (5.9 in)	75.0 mm (3.0 in)	2 years	46 of 100 (Notable)
21 July 1964	Rajampet, IN	daily rain	87.1 mm (3.4 in)	50.3 mm (2.0 in)	24 years	45 of 100 (Notable)
21 July 1964	Venkatagiri, IN	monthly rain	103.8 mm (4.1 in)	28.9 mm (1.1 in)	10 years	43 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

1794 to 1964

Records set or tied on this calendar date in each year from 1794 to 1964. 1964 had 457 records.

Counts for years before the ledger starts come from the same station rules.

Records on 07-21 in each year
Year	Records
1794	1
1795	1
1796	1
1797	1
1813	2
1832	2
1837	1
1839	1
1843	1
1844	2
1854	1
1859	3
1865	3
1868	3
1872	1
1876	1
1879	2
1880	1
1881	1
1884	1
1885	1
1886	2
1888	2
1889	3
1890	2
1892	3
1893	3
1894	3
1895	1
1896	3
1897	4
1898	7
1899	2
1900	6
1901	13
1902	12
1903	10
1904	8
1905	13
1906	13
1907	12
1908	25
1909	18
1910	12
1911	37
1912	52
1913	41
1914	48
1915	81
1916	72
1917	136
1918	130
1919	51
1920	33
1921	55
1922	48
1923	132
1924	286
1925	202
1926	401
1927	191
1928	205
1929	360
1930	521
1931	549
1932	322
1933	208
1934	965
1935	236
1936	322
1937	253
1938	638
1939	415
1940	318
1941	226
1942	318
1943	253
1944	716
1945	300
1946	398
1947	795
1948	403
1949	603
1950	662
1951	427
1952	657
1953	351
1954	656
1955	582
1956	490
1957	447
1958	531
1959	940
1960	651
1961	388
1962	263
1963	470
1964	457
1965	748
1966	626
1967	313
1968	334
1969	636
1970	1,241
1971	475
1972	1,046
1973	871
1974	536
1975	380
1976	477
1977	708
1978	1,155
1979	964
1980	926
1981	1,352
1982	588
1983	1,234
1984	764
1985	554
1986	791
1987	1,025
1988	1,015
1989	973
1990	914
1991	812
1992	1,562
1993	866
1994	773
1995	1,247
1996	1,141
1997	849
1998	1,674
1999	814
2000	1,230
2001	889
2002	990
2003	1,250
2004	694
2005	1,420
2006	1,479
2007	1,145
2008	989
2009	1,306
2010	1,148
2011	1,414
2012	815
2013	526
2014	762
2015	704
2016	645
2017	433
2018	942
2019	755
2020	363
2021	574
2022	866
2023	816
2024	873
2025	881
2026	874

Download the Data

Data for records on 1964-07-21: 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	274
10 to 20	47
20 to 30	21
30 to 40	11
40 to 50	11
50 to 60	8
60 to 70	3
70 to 80	2