Weather Records on 15 June 1964

395 weather records were set or tied worldwide on 15 June 1964. Highest significance: Zagreb-Gric, HR.

Key Facts for 15 June 1964

On 15 June 1964, 395 weather records were set or tied at long-record stations worldwide.
161 were record highs and 57 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 5 monthly and 389 daily.
Zagreb-Gric set a daily record precipitation of 51.1 mm (2.0 in) on 15 June 1964.
Across 163 earlier years (1794 to 2026) the same calendar date averaged 417 records.

Record Map

395 stations

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

Weather records on 15 June 1964: highest significance records shown on the map
Station	Country	Type	Value	Significance
Zagreb-Gric	Croatia	Record daily precipitation	51.1 mm (2.0 in)	64 of 100 (Major)
Jamui	India	Record daily precipitation	132.0 mm (5.2 in)	55 of 100 (Notable)
Port Lavaca 2	United States	Record daily precipitation	127.0 mm (5.0 in)	53 of 100 (Notable)
Edna 3 SW	United States	Record daily precipitation	151.1 mm (5.9 in)	46 of 100 (Notable)
Williamsburg 1E	United States	Record daily precipitation	66.3 mm (2.6 in)	44 of 100 (Notable)
Poplar 2 E	United States	Record daily precipitation	52.3 mm (2.1 in)	44 of 100 (Notable)
Marysville	United States	Record daily precipitation	86.6 mm (3.4 in)	44 of 100 (Notable)
Kilba	India	Record daily precipitation	30.5 mm (1.2 in)	42 of 100 (Notable)
Lindsborg 3E	United States	Record daily precipitation	87.4 mm (3.4 in)	42 of 100 (Notable)
Prospect	United States	Record daily precipitation	71.1 mm (2.8 in)	42 of 100 (Notable)
Suldalsvatn	Norway	Record daily precipitation	38.1 mm (1.5 in)	40 of 100 (Notable)
Bredasdorp	South Africa	Record daily precipitation	39.0 mm (1.5 in)	40 of 100 (Notable)
Ft Madison	United States	Record daily precipitation	39.4 mm (1.6 in)	39 of 100 (Notable)
Butte	United States	Record daily precipitation	100.1 mm (3.9 in)	39 of 100 (Notable)
Graz	Austria	Record daily precipitation	84.2 mm (3.3 in)	38 of 100 (Notable)
Taylor	United States	Record daily precipitation	64.5 mm (2.5 in)	38 of 100 (Notable)
Pine Bluff	United States	Record high minimum temperature	25.6 C (78.1 F)	35 of 100 (Notable)
Hooker	United States	Record daily precipitation	76.7 mm (3.0 in)	35 of 100 (Notable)
Lewisburg 3 N	United States	Record high minimum temperature	22.2 C (72.0 F)	35 of 100 (Notable)
Racine Wwtp	United States	Record daily precipitation	29.7 mm (1.2 in)	35 of 100 (Notable)
Marshalltown	United States	Record daily precipitation	37.3 mm (1.5 in)	34 of 100 (Routine)
Dresden	United States	Record daily precipitation	36.6 mm (1.4 in)	34 of 100 (Routine)
Nichar	India	Record daily precipitation	35.0 mm (1.4 in)	33 of 100 (Routine)
Tiskilwa 2 SE	United States	Record daily precipitation	46.2 mm (1.8 in)	33 of 100 (Routine)
Brewster	United States	Record daily precipitation	40.9 mm (1.6 in)	33 of 100 (Routine)
Delaware	United States	Record daily precipitation	64.3 mm (2.5 in)	33 of 100 (Routine)
Olho Dagua	Brazil	Record daily precipitation	63.4 mm (2.5 in)	32 of 100 (Routine)
Nuguru(Venkitapu)	India	Record daily precipitation	50.8 mm (2.0 in)	31 of 100 (Routine)
Ust-Maja	Russia	Record low minimum temperature	-2.2 C (28.0 F)	31 of 100 (Routine)
Storlien	Sweden	Record high minimum temperature	13.0 C (55.4 F)	31 of 100 (Routine)
Hatteras	United States	Record high maximum temperature	32.2 C (90.0 F)	30 of 100 (Routine)
Cottbus	Germany	Record high minimum temperature	16.5 C (61.7 F)	29 of 100 (Routine)
Lowell	United States	Record daily precipitation	61.0 mm (2.4 in)	29 of 100 (Routine)
Blackville 3 W	United States	Record high minimum temperature	23.9 C (75.0 F)	29 of 100 (Routine)
Durroo	India	Record daily precipitation	50.0 mm (2.0 in)	28 of 100 (Routine)
Florence	United States	Record high minimum temperature	22.2 C (72.0 F)	28 of 100 (Routine)
Waukegan	United States	Record daily precipitation	49.5 mm (1.9 in)	28 of 100 (Routine)
Anderson	United States	Record daily precipitation	61.0 mm (2.4 in)	28 of 100 (Routine)
Green Bay	United States	Record low minimum temperature	3.3 C (37.9 F)	28 of 100 (Routine)
Sand I Ryfylke II	Norway	Record daily precipitation	40.0 mm (1.6 in)	27 of 100 (Routine)
Paw Paw 2S	United States	Record daily precipitation	35.8 mm (1.4 in)	27 of 100 (Routine)
Albia 3 NNE	United States	Record daily precipitation	63.5 mm (2.5 in)	27 of 100 (Routine)
Pocomoke City	United States	Record high maximum temperature	35.0 C (95.0 F)	27 of 100 (Routine)
Chester	United States	Record daily precipitation	29.7 mm (1.2 in)	27 of 100 (Routine)
Madison	United States	Record daily precipitation	70.1 mm (2.8 in)	27 of 100 (Routine)
Schuyler	United States	Record daily precipitation	53.6 mm (2.1 in)	27 of 100 (Routine)
Cheraw	United States	Record high maximum temperature	38.9 C (102.0 F)	27 of 100 (Routine)
Dover 1 W	United States	Record high minimum temperature	22.2 C (72.0 F)	27 of 100 (Routine)
Union City	United States	Record high minimum temperature	23.3 C (73.9 F)	27 of 100 (Routine)
Bedford	United States	Record high minimum temperature	20.6 C (69.1 F)	27 of 100 (Routine)
Dahiwadi	India	Record daily precipitation	27.0 mm (1.1 in)	26 of 100 (Routine)
Tepeaca	Mexico	Record daily precipitation	37.8 mm (1.5 in)	26 of 100 (Routine)
Langgewens (Wrs)	South Africa	Record daily precipitation	27.0 mm (1.1 in)	26 of 100 (Routine)
Izana	Spain	Record high maximum temperature	26.5 C (79.7 F)	26 of 100 (Routine)
Bowie	United States	Record low minimum temperature	8.3 C (46.9 F)	26 of 100 (Routine)
Sigourney	United States	Record daily precipitation	54.9 mm (2.2 in)	26 of 100 (Routine)
Toledo 3N	United States	Record daily precipitation	38.1 mm (1.5 in)	26 of 100 (Routine)
Lakeview 3 NE	United States	Record daily precipitation	29.0 mm (1.1 in)	26 of 100 (Routine)
Philo 3 SW	United States	Record daily precipitation	37.8 mm (1.5 in)	26 of 100 (Routine)
Hallettsville 2 N	United States	Record daily precipitation	49.5 mm (1.9 in)	26 of 100 (Routine)

Counts by Type and Timescale

395 records

Records set or tied on 15 June 1964 by type: Highest daily maximum 64, Lowest daily maximum 42, Highest daily minimum 97, Lowest daily minimum 15, Heaviest daily rainfall 176, Heaviest daily snowfall 1.

Records on 15 June 1964 by type
Record type	Records
Highest daily maximum	64
Lowest daily maximum	42
Highest daily minimum	97
Lowest daily minimum	15
Heaviest daily rainfall	176
Heaviest daily snowfall	1
Deepest snow cover	0

Records on 15 June 1964 by timescale: all-time 1, monthly 5, daily 389.

How Much Records Were Beaten By

299 broken records

Margins by which the 299 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 116.8. Ties are not counted.

Top 20 by Significance

15 June 1964

Top 20 records on 15 June 1964 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
15 June 1964	Zagreb-Gric, HR	daily rain	51.1 mm (2.0 in)	23.1 mm (0.9 in)	96 years	64 of 100 (Major)
15 June 1964	Jamui, IN	daily rain	132.0 mm (5.2 in)	83.7 mm (3.3 in)	36 years	55 of 100 (Notable)
15 June 1964	Port Lavaca 2, US	daily rain	127.0 mm (5.0 in)	116.8 mm (4.6 in)	55 years	53 of 100 (Notable)
15 June 1964	Edna 3 SW, US	daily rain	151.1 mm (5.9 in)	85.1 mm (3.4 in)	45 years	46 of 100 (Notable)
15 June 1964	Williamsburg 1E, US	daily rain	66.3 mm (2.6 in)	40.6 mm (1.6 in)	40 years	44 of 100 (Notable)
15 June 1964	Poplar 2 E, US	daily rain	52.3 mm (2.1 in)	34.3 mm (1.4 in)	14 years	44 of 100 (Notable)
15 June 1964	Marysville, US	daily rain	86.6 mm (3.4 in)	68.3 mm (2.7 in)	3 years	44 of 100 (Notable)
15 June 1964	Kilba, IN	daily rain	30.5 mm (1.2 in)	17.8 mm (0.7 in)	54 years	42 of 100 (Notable)
15 June 1964	Lindsborg 3E, US	daily rain	87.4 mm (3.4 in)	45.7 mm (1.8 in)	16 years	42 of 100 (Notable)
15 June 1964	Prospect, US	daily rain	71.1 mm (2.8 in)	45.2 mm (1.8 in)	3 years	42 of 100 (Notable)
15 June 1964	Suldalsvatn, NO	daily rain	38.1 mm (1.5 in)	23.8 mm (0.9 in)	19 years	40 of 100 (Notable)
15 June 1964	Bredasdorp, ZA	daily rain	39.0 mm (1.5 in)	12.3 mm (0.5 in)	56 years	40 of 100 (Notable)
15 June 1964	Ft Madison, US	daily rain	39.4 mm (1.6 in)	26.7 mm (1.1 in)	60 years	39 of 100 (Notable)
15 June 1964	Butte, US	monthly rain	100.1 mm (3.9 in)	12.5 mm (0.5 in)	50 years	39 of 100 (Notable)
15 June 1964	Graz, AT	daily rain	84.2 mm (3.3 in)	25.4 mm (1.0 in)	27 years	38 of 100 (Notable)
15 June 1964	Taylor, US	daily rain	64.5 mm (2.5 in)	47.5 mm (1.9 in)	3 years	38 of 100 (Notable)
15 June 1964	Pine Bluff, US	daily high min	25.6 C (78.1 F)	1.2 C (2.2 F)	79 years	35 of 100 (Notable)
15 June 1964	Hooker, US	daily rain	76.7 mm (3.0 in)	38.6 mm (1.5 in)	13 years	35 of 100 (Notable)
15 June 1964	Lewisburg 3 N, US	daily high min	22.2 C (72.0 F)	3.9 C (7.0 F)	64 years	35 of 100 (Notable)
15 June 1964	Racine Wwtp, US	daily rain	29.7 mm (1.2 in)	19.5 mm (0.8 in)	39 years	35 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 395 records.

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

Records on 06-15 in each year
Year	Records
1794	1
1797	1
1822	2
1838	1
1839	1
1841	2
1844	1
1845	3
1846	2
1847	2
1850	1
1851	1
1852	1
1853	2
1857	2
1858	1
1860	2
1867	1
1869	1
1870	1
1874	3
1876	2
1878	2
1879	2
1880	2
1885	1
1886	1
1888	3
1891	4
1892	5
1893	3
1894	1
1895	6
1896	1
1897	4
1898	4
1899	4
1900	2
1901	4
1902	9
1903	11
1904	6
1905	9
1906	8
1907	5
1908	39
1909	10
1910	15
1911	38
1912	67
1913	21
1914	17
1915	27
1916	77
1917	85
1918	39
1919	133
1920	56
1921	38
1922	41
1923	117
1924	158
1925	242
1926	205
1927	298
1928	106
1929	175
1930	314
1931	283
1932	154
1933	881
1934	167
1935	339
1936	338
1937	258
1938	366
1939	320
1940	401
1941	204
1942	465
1943	577
1944	493
1945	846
1946	495
1947	376
1948	932
1949	662
1950	508
1951	386
1952	1,001
1953	453
1954	368
1955	326
1956	587
1957	499
1958	437
1959	468
1960	489
1961	905
1962	439
1963	578
1964	395
1965	470
1966	369
1967	714
1968	546
1969	981
1970	389
1971	349
1972	591
1973	716
1974	609
1975	357
1976	832
1977	557
1978	633
1979	580
1980	539
1981	1,449
1982	605
1983	571
1984	538
1985	675
1986	499
1987	1,460
1988	1,006
1989	1,467
1990	710
1991	1,046
1992	1,025
1993	657
1994	1,238
1995	1,291
1996	672
1997	1,063
1998	1,874
1999	987
2000	1,041
2001	942
2002	991
2003	661
2004	734
2005	1,028
2006	926
2007	951
2008	500
2009	685
2010	990
2011	877
2012	647
2013	385
2014	415
2015	708
2016	791
2017	627
2018	657
2019	543
2020	680
2021	1,575
2022	1,343
2023	551
2024	502
2025	737
2026	1,014

Download the Data

Data for records on 1964-06-15: 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	268
20 to 40	21
40 to 60	6
60 to 80	1
80 to 100	2
100 to 120	1