Weather Records on 17 June 1964

794 weather records were set or tied worldwide on 17 June 1964. Highest significance: Tafelberg Hall, ZA.

Key Facts for 17 June 1964

On 17 June 1964, 794 weather records were set or tied at long-record stations worldwide.
57 were record highs and 224 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 63 monthly and 730 daily.
Tafelberg Hall set a monthly record daily precipitation of 43.3 mm (1.7 in) on 17 June 1964.
Across 162 earlier years (1807 to 2026) the same calendar date averaged 428 records.

Record Map

794 stations

794 station records on 17 June 1964 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 17 June 1964: highest significance records shown on the map
Station	Country	Type	Value	Significance
Tafelberg Hall	South Africa	Record daily precipitation	43.3 mm (1.7 in)	73 of 100 (Major)
Kareekloof	South Africa	Record daily precipitation	40.0 mm (1.6 in)	71 of 100 (Major)
Hofmeyer (Mun)	South Africa	Record daily precipitation	30.5 mm (1.2 in)	69 of 100 (Major)
Oukraal	South Africa	Record daily precipitation	108.5 mm (4.3 in)	65 of 100 (Major)
Spitskop (Agr)	South Africa	Record daily precipitation	30.5 mm (1.2 in)	65 of 100 (Major)
Manor Holme	South Africa	Record daily precipitation	37.0 mm (1.5 in)	65 of 100 (Major)
Fort Beaufort	South Africa	Record daily precipitation	55.5 mm (2.2 in)	64 of 100 (Major)
Silverdales	South Africa	Record daily precipitation	104.5 mm (4.1 in)	63 of 100 (Major)
Adelaide (Pol)	South Africa	Record daily precipitation	51.5 mm (2.0 in)	63 of 100 (Major)
Moorcroft 3S	United States	Record daily precipitation	59.2 mm (2.3 in)	63 of 100 (Major)
Cradock	South Africa	Record daily precipitation	32.0 mm (1.3 in)	62 of 100 (Major)
Beeldhouersfontein	South Africa	Record daily precipitation	40.3 mm (1.6 in)	61 of 100 (Major)
Calvin	United States	Record daily precipitation	174.2 mm (6.9 in)	61 of 100 (Major)
Mill Holme	South Africa	Record daily precipitation	88.5 mm (3.5 in)	60 of 100 (Major)
Heilbron "Smoordrif"	South Africa	Record daily precipitation	44.9 mm (1.8 in)	60 of 100 (Major)
Biesjiesfontein	South Africa	Record daily precipitation	40.0 mm (1.6 in)	59 of 100 (Notable)
Seymour (Mag)	South Africa	Record daily precipitation	58.0 mm (2.3 in)	59 of 100 (Notable)
Philadelphia	South Africa	Record daily precipitation	34.0 mm (1.3 in)	59 of 100 (Notable)
Kieskamahoek (Pol)	South Africa	Record daily precipitation	68.0 mm (2.7 in)	58 of 100 (Notable)
Fir Glen	South Africa	Record daily precipitation	51.0 mm (2.0 in)	56 of 100 (Notable)
Rabula (Bos)	South Africa	Record daily precipitation	72.0 mm (2.8 in)	56 of 100 (Notable)
Pirie (Bos)	South Africa	Record daily precipitation	59.5 mm (2.3 in)	56 of 100 (Notable)
Kareehoek"Kareefontein"	South Africa	Record daily precipitation	31.0 mm (1.2 in)	56 of 100 (Notable)
East London -Signal STN	South Africa	Record daily precipitation	71.0 mm (2.8 in)	55 of 100 (Notable)
Skilderkrans	South Africa	Record daily precipitation	79.6 mm (3.1 in)	55 of 100 (Notable)
Acude Gargalheiras	Brazil	Record daily precipitation	43.4 mm (1.7 in)	53 of 100 (Notable)
Badami	India	Record daily precipitation	77.7 mm (3.1 in)	53 of 100 (Notable)
Grootvlakte	South Africa	Record daily precipitation	36.3 mm (1.4 in)	53 of 100 (Notable)
Malad	United States	Record daily precipitation	32.3 mm (1.3 in)	53 of 100 (Notable)
Seattle Urban Site	United States	Record daily precipitation	27.4 mm (1.1 in)	53 of 100 (Notable)
Mount Coke (Bos)	South Africa	Record daily precipitation	64.0 mm (2.5 in)	52 of 100 (Notable)
Leliekloof	South Africa	Record daily precipitation	37.5 mm (1.5 in)	52 of 100 (Notable)
Alta 1 NNW	United States	Record daily precipitation	40.1 mm (1.6 in)	52 of 100 (Notable)
Wolfridge (Bos)	South Africa	Record daily precipitation	69.0 mm (2.7 in)	51 of 100 (Notable)
Paardekraal	South Africa	Record daily precipitation	43.0 mm (1.7 in)	51 of 100 (Notable)
Jamkhandi	India	Record daily precipitation	59.7 mm (2.4 in)	50 of 100 (Notable)
Dontsa	South Africa	Record daily precipitation	67.0 mm (2.6 in)	50 of 100 (Notable)
Isidinge (Bos)	South Africa	Record daily precipitation	68.0 mm (2.7 in)	50 of 100 (Notable)
Jaguaruana	Brazil	Record daily precipitation	68.8 mm (2.7 in)	49 of 100 (Notable)
Longvale	South Africa	Record daily precipitation	61.5 mm (2.4 in)	49 of 100 (Notable)
Cookhouse (Sar)	South Africa	Record daily precipitation	54.5 mm (2.1 in)	49 of 100 (Notable)
Molakmura	India	Record daily precipitation	70.1 mm (2.8 in)	48 of 100 (Notable)
Fountain Head	South Africa	Record daily precipitation	54.0 mm (2.1 in)	48 of 100 (Notable)
Grootdam	South Africa	Record daily precipitation	34.5 mm (1.4 in)	48 of 100 (Notable)
Uitkomst	South Africa	Record daily precipitation	33.5 mm (1.3 in)	47 of 100 (Notable)
Rouxville (Pol)	South Africa	Record daily precipitation	26.0 mm (1.0 in)	47 of 100 (Notable)
Ron	India	Record daily precipitation	61.0 mm (2.4 in)	46 of 100 (Notable)
Cwencwe (Bos)	South Africa	Record daily precipitation	59.5 mm (2.3 in)	46 of 100 (Notable)
Nieu-Bethesda (Pol)	South Africa	Record daily precipitation	41.5 mm (1.6 in)	46 of 100 (Notable)
Koeifontein	South Africa	Record daily precipitation	30.0 mm (1.2 in)	45 of 100 (Notable)
Rocklands	South Africa	Record daily precipitation	43.3 mm (1.7 in)	45 of 100 (Notable)
Cottonwood Weir	United States	Record daily precipitation	38.4 mm (1.5 in)	45 of 100 (Notable)
Natal	Brazil	Record daily precipitation	85.7 mm (3.4 in)	44 of 100 (Notable)
Athani	India	Record daily precipitation	40.6 mm (1.6 in)	44 of 100 (Notable)
Graaff Reinet	South Africa	Record daily precipitation	44.0 mm (1.7 in)	44 of 100 (Notable)
Waverley	South Africa	Record daily precipitation	49.5 mm (1.9 in)	44 of 100 (Notable)
Ellesmere	South Africa	Record daily precipitation	39.0 mm (1.5 in)	44 of 100 (Notable)
Acude Coremas	Brazil	Record daily precipitation	27.2 mm (1.1 in)	43 of 100 (Notable)
Conceicao	Brazil	Record daily precipitation	47.2 mm (1.9 in)	43 of 100 (Notable)
Plaatjies Kraal	South Africa	Record daily precipitation	26.0 mm (1.0 in)	43 of 100 (Notable)

Counts by Type and Timescale

794 records

Records set or tied on 17 June 1964 by type: Highest daily maximum 18, Lowest daily maximum 107, Highest daily minimum 39, Lowest daily minimum 117, Heaviest daily rainfall 513.

Records on 17 June 1964 by type
Record type	Records
Highest daily maximum	18
Lowest daily maximum	107
Highest daily minimum	39
Lowest daily minimum	117
Heaviest daily rainfall	513
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 17 June 1964 by timescale: all-time 1, monthly 63, daily 730.

How Much Records Were Beaten By

682 broken records

Margins by which the 682 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 66.1. Ties are not counted.

Top 20 by Significance

17 June 1964

Top 20 records on 17 June 1964 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
17 June 1964	Tafelberg Hall, ZA	monthly rain	43.3 mm (1.7 in)	19.9 mm (0.8 in)	64 years	73 of 100 (Major)
17 June 1964	Kareekloof, ZA	monthly rain	40.0 mm (1.6 in)	19.7 mm (0.8 in)	53 years	71 of 100 (Major)
17 June 1964	Hofmeyer (Mun), ZA	monthly rain	30.5 mm (1.2 in)	14.2 mm (0.6 in)	61 years	69 of 100 (Major)
17 June 1964	Oukraal, ZA	monthly rain	108.5 mm (4.3 in)	66.1 mm (2.6 in)	38 years	65 of 100 (Major)
17 June 1964	Spitskop (Agr), ZA	monthly rain	30.5 mm (1.2 in)	19.1 mm (0.8 in)	38 years	65 of 100 (Major)
17 June 1964	Manor Holme, ZA	monthly rain	37.0 mm (1.5 in)	15.7 mm (0.6 in)	62 years	65 of 100 (Major)
17 June 1964	Fort Beaufort, ZA	daily rain	55.5 mm (2.2 in)	37.7 mm (1.5 in)	56 years	64 of 100 (Major)
17 June 1964	Silverdales, ZA	monthly rain	104.5 mm (4.1 in)	47.3 mm (1.9 in)	35 years	63 of 100 (Major)
17 June 1964	Adelaide (Pol), ZA	daily rain	51.5 mm (2.0 in)	40.1 mm (1.6 in)	56 years	63 of 100 (Major)
17 June 1964	Moorcroft 3S, US	daily rain	59.2 mm (2.3 in)	38.9 mm (1.5 in)	59 years	63 of 100 (Major)
17 June 1964	Cradock, ZA	daily rain	32.0 mm (1.3 in)	24.6 mm (1.0 in)	49 years	62 of 100 (Major)
17 June 1964	Beeldhouersfontein, ZA	monthly rain	40.3 mm (1.6 in)	22.8 mm (0.9 in)	29 years	61 of 100 (Major)
17 June 1964	Calvin, US	monthly rain	174.2 mm (6.9 in)	52.8 mm (2.1 in)	56 years	61 of 100 (Major)
17 June 1964	Mill Holme, ZA	monthly rain	88.5 mm (3.5 in)	41.5 mm (1.6 in)	20 years	60 of 100 (Major)
17 June 1964	Heilbron "Smoordrif", ZA	monthly rain	44.9 mm (1.8 in)	22.5 mm (0.9 in)	21 years	60 of 100 (Major)
17 June 1964	Biesjiesfontein, ZA	monthly rain	40.0 mm (1.6 in)	23.0 mm (0.9 in)	20 years	59 of 100 (Notable)
17 June 1964	Seymour (Mag), ZA	daily rain	58.0 mm (2.3 in)	40.2 mm (1.6 in)	52 years	59 of 100 (Notable)
17 June 1964	Philadelphia, ZA	monthly rain	34.0 mm (1.3 in)	16.5 mm (0.6 in)	20 years	59 of 100 (Notable)
17 June 1964	Kieskamahoek (Pol), ZA	daily rain	68.0 mm (2.7 in)	43.1 mm (1.7 in)	38 years	58 of 100 (Notable)
17 June 1964	Fir Glen, ZA	daily rain	51.0 mm (2.0 in)	31.2 mm (1.2 in)	52 years	56 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

1807 to 1964

Records set or tied on this calendar date in each year from 1807 to 1964. 1964 had 794 records.

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

Records on 06-17 in each year
Year	Records
1807	2
1810	1
1811	1
1830	1
1837	1
1839	1
1840	1
1845	1
1846	1
1848	1
1855	1
1866	2
1867	1
1869	2
1872	1
1873	1
1874	1
1875	1
1878	1
1879	1
1882	3
1883	1
1884	1
1885	3
1886	3
1887	2
1888	2
1889	1
1890	1
1892	3
1894	1
1895	7
1896	3
1897	2
1898	1
1899	2
1900	6
1901	9
1902	4
1903	8
1904	4
1905	12
1906	22
1907	20
1908	26
1909	13
1910	9
1911	22
1912	47
1913	45
1914	101
1915	20
1916	103
1917	68
1918	36
1919	58
1920	79
1921	52
1922	59
1923	110
1924	80
1925	136
1926	193
1927	357
1928	137
1929	238
1930	354
1931	194
1932	257
1933	413
1934	310
1935	338
1936	484
1937	284
1938	245
1939	1,206
1940	454
1941	250
1942	286
1943	289
1944	623
1945	614
1946	419
1947	336
1948	452
1949	571
1950	506
1951	208
1952	752
1953	455
1954	488
1955	570
1956	375
1957	761
1958	597
1959	507
1960	511
1961	1,319
1962	323
1963	383
1964	794
1965	763
1966	464
1967	402
1968	403
1969	700
1970	435
1971	407
1972	437
1973	701
1974	932
1975	453
1976	430
1977	410
1978	589
1979	646
1980	754
1981	1,201
1982	642
1983	728
1984	644
1985	693
1986	912
1987	1,078
1988	712
1989	870
1990	932
1991	1,094
1992	795
1993	684
1994	1,186
1995	1,350
1996	750
1997	1,056
1998	1,661
1999	1,260
2000	1,460
2001	678
2002	1,148
2003	647
2004	839
2005	914
2006	724
2007	839
2008	656
2009	739
2010	1,104
2011	922
2012	792
2013	610
2014	685
2015	1,113
2016	874
2017	692
2018	1,050
2019	551
2020	914
2021	1,980
2022	1,209
2023	617
2024	839
2025	593
2026	743

Download the Data

Data for records on 1964-06-17: 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 10	496
10 to 20	119
20 to 30	32
30 to 40	16
40 to 50	12
50 to 60	5
60 to 70	2