Weather Records on 15 August 1964

1,185 weather records were set or tied worldwide on 15 August 1964. Highest significance: Pesaro, IT.

Key Facts for 15 August 1964

On 15 August 1964, 1,185 weather records were set or tied at long-record stations worldwide.
33 were record highs and 946 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 85 monthly and 1,098 daily.
Pesaro set a daily record precipitation of 69.8 mm (2.7 in) on 15 August 1964.
Across 168 earlier years (1793 to 2026) the same calendar date averaged 450 records.

Record Map

1,185 stations

1,185 station records on 15 August 1964 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 15 August 1964: highest significance records shown on the map
Station	Country	Type	Value	Significance
Pesaro	Italy	Record daily precipitation	69.8 mm (2.7 in)	70 of 100 (Major)
Aligarh	India	Record daily precipitation	164.0 mm (6.5 in)	58 of 100 (Notable)
Khair	India	Record daily precipitation	120.4 mm (4.7 in)	58 of 100 (Notable)
Caruthersville	United States	Record daily precipitation	80.0 mm (3.1 in)	57 of 100 (Notable)
Fatehabad	India	Record daily precipitation	105.9 mm (4.2 in)	55 of 100 (Notable)
Blytheville	United States	Record daily precipitation	82.0 mm (3.2 in)	54 of 100 (Notable)
Olho Dagua	Brazil	Record daily precipitation	50.4 mm (2.0 in)	53 of 100 (Notable)
Chandia Nallah	India	Record daily precipitation	231.1 mm (9.1 in)	53 of 100 (Notable)
Hathras	India	Record daily precipitation	149.9 mm (5.9 in)	52 of 100 (Notable)
Corning	United States	Record daily precipitation	98.6 mm (3.9 in)	52 of 100 (Notable)
Chandler	United States	Record daily precipitation	135.1 mm (5.3 in)	52 of 100 (Notable)
Webbers Falls 5 WSW	United States	Record daily precipitation	69.9 mm (2.8 in)	52 of 100 (Notable)
Meerut Obsy	India	Record daily precipitation	171.2 mm (6.7 in)	51 of 100 (Notable)
Gurgaon	India	Record daily precipitation	104.2 mm (4.1 in)	50 of 100 (Notable)
New Delhi/Safdarjun	India	Record daily precipitation	134.8 mm (5.3 in)	49 of 100 (Notable)
Bristow	United States	Record daily precipitation	104.1 mm (4.1 in)	49 of 100 (Notable)
Sardhana	India	Record daily precipitation	144.8 mm (5.7 in)	48 of 100 (Notable)
Ashwood	United States	Record daily precipitation	78.5 mm (3.1 in)	47 of 100 (Notable)
Doniphan	United States	Record daily precipitation	87.6 mm (3.4 in)	46 of 100 (Notable)
Mtn Grove 2 N	United States	Record daily precipitation	52.8 mm (2.1 in)	46 of 100 (Notable)
Grapevine Dam	United States	Record daily precipitation	59.7 mm (2.4 in)	46 of 100 (Notable)
Mahroni	India	Record daily precipitation	116.8 mm (4.6 in)	45 of 100 (Notable)
Paragould	United States	Record daily precipitation	97.0 mm (3.8 in)	45 of 100 (Notable)
Sallisaw 2 NW	United States	Record daily precipitation	84.8 mm (3.3 in)	45 of 100 (Notable)
Moroni	United States	Record daily precipitation	25.7 mm (1.0 in)	45 of 100 (Notable)
Yates Ctr	United States	Record daily precipitation	67.3 mm (2.6 in)	43 of 100 (Notable)
Greenville 6 N	United States	Record low maximum temperature	18.3 C (64.9 F)	43 of 100 (Notable)
Greeneville Exp STN	United States	Record low maximum temperature	20.0 C (68.0 F)	43 of 100 (Notable)
Iglas	India	Record daily precipitation	245.0 mm (9.6 in)	42 of 100 (Notable)
Chhata	India	Record daily precipitation	73.7 mm (2.9 in)	42 of 100 (Notable)
Lebanon 2W	United States	Record low maximum temperature	17.2 C (63.0 F)	42 of 100 (Notable)
Newbern	United States	Record daily precipitation	117.3 mm (4.6 in)	42 of 100 (Notable)
Vernon	United States	Record daily precipitation	56.4 mm (2.2 in)	42 of 100 (Notable)
Ballabgarh	India	Record daily precipitation	125.2 mm (4.9 in)	41 of 100 (Notable)
Niwar(Amehta)	India	Record daily precipitation	135.9 mm (5.4 in)	41 of 100 (Notable)
Kharar	India	Record daily precipitation	122.0 mm (4.8 in)	41 of 100 (Notable)
Sikandra Rao	India	Record daily precipitation	91.0 mm (3.6 in)	41 of 100 (Notable)
Gunnaur	India	Record daily precipitation	129.0 mm (5.1 in)	41 of 100 (Notable)
Anupshahr	India	Record daily precipitation	129.8 mm (5.1 in)	41 of 100 (Notable)
Mazanovo	Russia	Record daily precipitation	45.3 mm (1.8 in)	41 of 100 (Notable)
Harrison	United States	Record low maximum temperature	18.9 C (66.0 F)	41 of 100 (Notable)
Galena	United States	Record daily precipitation	57.7 mm (2.3 in)	41 of 100 (Notable)
Palmetto	United States	Record low maximum temperature	20.0 C (68.0 F)	41 of 100 (Notable)
Bowling Green Warren Co AP	United States	Record low maximum temperature	20.6 C (69.1 F)	41 of 100 (Notable)
Murwara(Kathi)	India	Record daily precipitation	165.1 mm (6.5 in)	40 of 100 (Notable)
Minas Nuevas	Mexico	Record low minimum temperature	15.0 C (59.0 F)	40 of 100 (Notable)
Pocahontas 1	United States	Record low maximum temperature	20.0 C (68.0 F)	40 of 100 (Notable)
Bhagaon Bhogaon	India	Record daily precipitation	90.9 mm (3.6 in)	39 of 100 (Notable)
Dasna	India	Record daily precipitation	119.4 mm (4.7 in)	39 of 100 (Notable)
Middlesboro Fire Dept	United States	Record low maximum temperature	21.1 C (70.0 F)	39 of 100 (Notable)
Houston	United States	Record daily precipitation	41.9 mm (1.6 in)	39 of 100 (Notable)
Murfreesboro 5 N	United States	Record low maximum temperature	21.1 C (70.0 F)	39 of 100 (Notable)
Aligarh	India	Record daily precipitation	183.6 mm (7.2 in)	38 of 100 (Notable)
De Funiak Springs 1 E	United States	Record low minimum temperature	15.0 C (59.0 F)	38 of 100 (Notable)
Fairbury 7S	United States	Record low maximum temperature	17.2 C (63.0 F)	38 of 100 (Notable)
Dickson	United States	Record low maximum temperature	18.3 C (64.9 F)	38 of 100 (Notable)
Bohoribund	India	Record daily precipitation	139.7 mm (5.5 in)	37 of 100 (Notable)
Eskridge	United States	Record low maximum temperature	19.4 C (66.9 F)	37 of 100 (Notable)
Banner Elk	United States	Record low maximum temperature	14.4 C (57.9 F)	37 of 100 (Notable)
Geary	United States	Record daily precipitation	43.4 mm (1.7 in)	37 of 100 (Notable)

Counts by Type and Timescale

1,185 records

Records set or tied on 15 August 1964 by type: Highest daily maximum 9, Lowest daily maximum 462, Highest daily minimum 24, Lowest daily minimum 484, Heaviest daily rainfall 206.

Records on 15 August 1964 by type
Record type	Records
Highest daily maximum	9
Lowest daily maximum	462
Highest daily minimum	24
Lowest daily minimum	484
Heaviest daily rainfall	206
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 15 August 1964 by timescale: all-time 2, monthly 85, daily 1,098.

How Much Records Were Beaten By

953 broken records

Margins by which the 953 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 130.3. Ties are not counted.

Top 20 by Significance

15 August 1964

Top 20 records on 15 August 1964 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
15 August 1964	Pesaro, IT	daily rain	69.8 mm (2.7 in)	45.2 mm (1.8 in)	82 years	70 of 100 (Major)
15 August 1964	Aligarh, IN	daily rain	164.0 mm (6.5 in)	118.3 mm (4.7 in)	43 years	58 of 100 (Notable)
15 August 1964	Khair, IN	daily rain	120.4 mm (4.7 in)	91.2 mm (3.6 in)	43 years	58 of 100 (Notable)
15 August 1964	Caruthersville, US	daily rain	80.0 mm (3.1 in)	52.1 mm (2.1 in)	61 years	57 of 100 (Notable)
15 August 1964	Fatehabad, IN	daily rain	105.9 mm (4.2 in)	63.0 mm (2.5 in)	57 years	55 of 100 (Notable)
15 August 1964	Blytheville, US	daily rain	82.0 mm (3.2 in)	70.1 mm (2.8 in)	37 years	54 of 100 (Notable)
15 August 1964	Olho Dagua, BR	monthly rain	50.4 mm (2.0 in)	41.9 mm (1.6 in)	0 years	53 of 100 (Notable)
15 August 1964	Chandia Nallah, IN	monthly rain	231.1 mm (9.1 in)	96.5 mm (3.8 in)	8 years	53 of 100 (Notable)
15 August 1964	Hathras, IN	daily rain	149.9 mm (5.9 in)	130.3 mm (5.1 in)	20 years	52 of 100 (Notable)
15 August 1964	Corning, US	daily rain	98.6 mm (3.9 in)	64.3 mm (2.5 in)	18 years	52 of 100 (Notable)
15 August 1964	Chandler, US	monthly rain	135.1 mm (5.3 in)	43.7 mm (1.7 in)	23 years	52 of 100 (Notable)
15 August 1964	Webbers Falls 5 WSW, US	daily rain	69.9 mm (2.8 in)	54.7 mm (2.2 in)	48 years	52 of 100 (Notable)
15 August 1964	Meerut Obsy, IN	daily rain	171.2 mm (6.7 in)	109.5 mm (4.3 in)	18 years	51 of 100 (Notable)
15 August 1964	Gurgaon, IN	daily rain	104.2 mm (4.1 in)	51.4 mm (2.0 in)	63 years	50 of 100 (Notable)
15 August 1964	New Delhi/Safdarjun, IN	daily rain	134.8 mm (5.3 in)	82.0 mm (3.2 in)	18 years	49 of 100 (Notable)
15 August 1964	Bristow, US	daily rain	104.1 mm (4.1 in)	68.3 mm (2.7 in)	22 years	49 of 100 (Notable)
15 August 1964	Sardhana, IN	daily rain	144.8 mm (5.7 in)	105.4 mm (4.1 in)	9 years	48 of 100 (Notable)
15 August 1964	Ashwood, US	daily rain	78.5 mm (3.1 in)	48.0 mm (1.9 in)	23 years	47 of 100 (Notable)
15 August 1964	Doniphan, US	daily rain	87.6 mm (3.4 in)	47.0 mm (1.9 in)	52 years	46 of 100 (Notable)
15 August 1964	Mtn Grove 2 N, US	daily rain	52.8 mm (2.1 in)	35.3 mm (1.4 in)	60 years	46 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

1793 to 1964

Records set or tied on this calendar date in each year from 1793 to 1964. 1964 had 1,185 records.

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

Records on 08-15 in each year
Year	Records
1793	2
1802	1
1805	1
1812	1
1821	1
1838	2
1839	1
1841	1
1844	1
1845	3
1852	1
1854	1
1856	1
1858	1
1861	3
1867	1
1868	2
1869	1
1873	2
1875	1
1876	2
1877	1
1878	1
1879	1
1880	3
1881	2
1882	2
1883	1
1884	2
1885	3
1886	1
1887	1
1888	3
1890	2
1891	2
1892	3
1893	3
1895	1
1896	9
1897	3
1898	1
1899	2
1900	6
1901	5
1902	10
1903	5
1904	17
1905	26
1906	8
1907	14
1908	15
1909	30
1910	16
1911	26
1912	34
1913	42
1914	11
1915	26
1916	223
1917	32
1918	23
1919	22
1920	59
1921	55
1922	86
1923	116
1924	220
1925	91
1926	115
1927	223
1928	271
1929	586
1930	274
1931	351
1932	368
1933	268
1934	992
1935	414
1936	867
1937	574
1938	681
1939	450
1940	372
1941	289
1942	377
1943	426
1944	610
1945	433
1946	285
1947	559
1948	366
1949	559
1950	317
1951	597
1952	596
1953	449
1954	481
1955	539
1956	390
1957	355
1958	1,092
1959	515
1960	417
1961	704
1962	1,052
1963	972
1964	1,185
1965	535
1966	340
1967	687
1968	1,002
1969	583
1970	382
1971	899
1972	613
1973	499
1974	512
1975	490
1976	1,345
1977	550
1978	841
1979	1,788
1980	745
1981	588
1982	479
1983	955
1984	622
1985	915
1986	1,283
1987	1,098
1988	1,479
1989	495
1990	758
1991	778
1992	1,638
1993	831
1994	1,073
1995	1,298
1996	929
1997	927
1998	861
1999	956
2000	932
2001	1,254
2002	1,307
2003	1,248
2004	1,424
2005	1,067
2006	923
2007	1,317
2008	964
2009	1,038
2010	1,622
2011	770
2012	654
2013	711
2014	583
2015	759
2016	707
2017	532
2018	328
2019	435
2020	1,327
2021	900
2022	692
2023	1,414
2024	729
2025	772
2026	975

Download the Data

Data for records on 1964-08-15: 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 2026-10-17 (17 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-16. Last revised 16 October 2026 (2026-10-16).

Margin	Records
0 to 20	868
20 to 40	44
40 to 60	21
60 to 80	10
80 to 100	6
100 to 120	3
120 to 140	1