Weather Records on 12 June 1963

618 weather records were set or tied worldwide on 12 June 1963. Highest significance: Kalkfontein, ZA.

Key Facts for 12 June 1963

On 12 June 1963, 618 weather records were set or tied at long-record stations worldwide.
104 were record highs and 225 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 21 monthly and 597 daily.
Kalkfontein set a daily record precipitation of 44.5 mm (1.8 in) on 12 June 1963.
Across 166 earlier years (1797 to 2026) the same calendar date averaged 417 records.

Record Map

618 stations

618 station records on 12 June 1963 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 12 June 1963: highest significance records shown on the map
Station	Country	Type	Value	Significance
Kalkfontein	South Africa	Record daily precipitation	44.5 mm (1.8 in)	60 of 100 (Major)
Kriel (Pol)	South Africa	Record daily precipitation	30.0 mm (1.2 in)	54 of 100 (Notable)
Wilgerivier (Sar)	South Africa	Record daily precipitation	65.5 mm (2.6 in)	53 of 100 (Notable)
Wara	India	Record daily precipitation	137.6 mm (5.4 in)	52 of 100 (Notable)
Swaziland Ranch-Homest	Swaziland	Record daily precipitation	42.0 mm (1.7 in)	52 of 100 (Notable)
Brockville	Canada	Record low maximum temperature	11.7 C (53.1 F)	50 of 100 (Notable)
Ogies (Pol)	South Africa	Record daily precipitation	72.0 mm (2.8 in)	50 of 100 (Notable)
Springs-Olympia Park	South Africa	Record daily precipitation	34.2 mm (1.3 in)	49 of 100 (Notable)
Planknek	South Africa	Record daily precipitation	26.0 mm (1.0 in)	49 of 100 (Notable)
The Downs	South Africa	Record daily precipitation	57.0 mm (2.2 in)	49 of 100 (Notable)
Multai	India	Record daily precipitation	95.0 mm (3.7 in)	48 of 100 (Notable)
Cologne	South Africa	Record daily precipitation	67.0 mm (2.6 in)	48 of 100 (Notable)
Dwaleni	Swaziland	Record daily precipitation	72.0 mm (2.8 in)	48 of 100 (Notable)
Doornfontein	South Africa	Record daily precipitation	33.0 mm (1.3 in)	46 of 100 (Notable)
Bochum-1	South Africa	Record daily precipitation	30.0 mm (1.2 in)	46 of 100 (Notable)
Mtunzini	South Africa	Record daily precipitation	84.0 mm (3.3 in)	45 of 100 (Notable)
Germiston-Fj Payne Park	South Africa	Record daily precipitation	41.0 mm (1.6 in)	45 of 100 (Notable)
Mosdene	South Africa	Record daily precipitation	41.0 mm (1.6 in)	45 of 100 (Notable)
Beerlaagte	South Africa	Record daily precipitation	40.0 mm (1.6 in)	44 of 100 (Notable)
Welbekend	South Africa	Record daily precipitation	48.0 mm (1.9 in)	44 of 100 (Notable)
Broadholm	South Africa	Record daily precipitation	45.0 mm (1.8 in)	43 of 100 (Notable)
Toronto	Canada	Record low maximum temperature	13.3 C (55.9 F)	42 of 100 (Notable)
St Hyacinthe	Canada	Record low maximum temperature	13.9 C (57.0 F)	42 of 100 (Notable)
Medchel	India	Record daily precipitation	80.0 mm (3.1 in)	42 of 100 (Notable)
Sandbaken	South Africa	Record daily precipitation	25.0 mm (1.0 in)	42 of 100 (Notable)
New Delhi/Safdarjun	India	Record daily precipitation	76.6 mm (3.0 in)	41 of 100 (Notable)
Bergplaats	South Africa	Record daily precipitation	51.0 mm (2.0 in)	41 of 100 (Notable)
Rosherville (Pow)	South Africa	Record daily precipitation	29.0 mm (1.1 in)	41 of 100 (Notable)
Kulattur	India	Record daily precipitation	69.4 mm (2.7 in)	40 of 100 (Notable)
Brakpan (Mun)	South Africa	Record daily precipitation	31.7 mm (1.2 in)	40 of 100 (Notable)
Superior	United States	Record daily precipitation	63.0 mm (2.5 in)	40 of 100 (Notable)
Sonepat	India	Record daily precipitation	35.0 mm (1.4 in)	39 of 100 (Notable)
Nylsvley	South Africa	Record daily precipitation	36.5 mm (1.4 in)	39 of 100 (Notable)
Skukuza	South Africa	Record daily precipitation	33.0 mm (1.3 in)	38 of 100 (Notable)
Welland	Canada	Record low maximum temperature	11.1 C (52.0 F)	36 of 100 (Notable)
Irene	South Africa	Record daily precipitation	27.5 mm (1.1 in)	36 of 100 (Notable)
Rustplaats	South Africa	Record daily precipitation	43.0 mm (1.7 in)	36 of 100 (Notable)
Major Isidoro (Sertaozinho)	Brazil	Record daily precipitation	30.2 mm (1.2 in)	35 of 100 (Notable)
Peterborough	Canada	Record low maximum temperature	11.7 C (53.1 F)	35 of 100 (Notable)
Dindori	India	Record daily precipitation	73.3 mm (2.9 in)	35 of 100 (Notable)
Val (Sar)	South Africa	Record daily precipitation	32.0 mm (1.3 in)	35 of 100 (Notable)
Jhb-Joubert Park	South Africa	Record daily precipitation	29.0 mm (1.1 in)	35 of 100 (Notable)
Premier Mine-Cullinan	South Africa	Record daily precipitation	32.5 mm (1.3 in)	35 of 100 (Notable)
Bronkhorstspruit (Mun)	South Africa	Record daily precipitation	70.0 mm (2.8 in)	35 of 100 (Notable)
Fig Tree	South Africa	Record daily precipitation	35.5 mm (1.4 in)	35 of 100 (Notable)
Nawanshahr	India	Record daily precipitation	26.4 mm (1.0 in)	34 of 100 (Routine)
Amsterdam (Pol)	South Africa	Record daily precipitation	37.0 mm (1.5 in)	34 of 100 (Routine)
Jhb-Vrededorp	South Africa	Record daily precipitation	25.5 mm (1.0 in)	34 of 100 (Routine)
Tweedraai	South Africa	Record daily precipitation	32.0 mm (1.3 in)	34 of 100 (Routine)
Pretoria-New Cemetry	South Africa	Record daily precipitation	32.0 mm (1.3 in)	34 of 100 (Routine)
Vlakplaats	South Africa	Record daily precipitation	41.7 mm (1.6 in)	34 of 100 (Routine)
De Hoek (Bos)	South Africa	Record daily precipitation	41.8 mm (1.6 in)	34 of 100 (Routine)
Gloversville	United States	Record low maximum temperature	13.3 C (55.9 F)	34 of 100 (Routine)
Plattsburgh AFB	United States	Record low maximum temperature	15.0 C (59.0 F)	34 of 100 (Routine)
Montreal McGill	Canada	Record low maximum temperature	14.4 C (57.9 F)	33 of 100 (Routine)
Jhb-Royal Golf Club	South Africa	Record daily precipitation	27.3 mm (1.1 in)	33 of 100 (Routine)
Strehla	South Africa	Record daily precipitation	30.7 mm (1.2 in)	33 of 100 (Routine)
Schelm	South Africa	Record daily precipitation	60.0 mm (2.4 in)	33 of 100 (Routine)
Westfield 2 SSE	United States	Record low maximum temperature	11.1 C (52.0 F)	33 of 100 (Routine)
Gurgaon	India	Record daily precipitation	54.2 mm (2.1 in)	32 of 100 (Routine)

Counts by Type and Timescale

618 records

Records set or tied on 12 June 1963 by type: Highest daily maximum 34, Lowest daily maximum 163, Highest daily minimum 70, Lowest daily minimum 62, Heaviest daily rainfall 288, Heaviest daily snowfall 1.

Records on 12 June 1963 by type
Record type	Records
Highest daily maximum	34
Lowest daily maximum	163
Highest daily minimum	70
Lowest daily minimum	62
Heaviest daily rainfall	288
Heaviest daily snowfall	1
Deepest snow cover	0

Records on 12 June 1963 by timescale: all-time 0, monthly 21, daily 597.

How Much Records Were Beaten By

511 broken records

Margins by which the 511 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 73.3. Ties are not counted.

Top 20 by Significance

12 June 1963

Top 20 records on 12 June 1963 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
12 June 1963	Kalkfontein, ZA	daily rain	44.5 mm (1.8 in)	44.5 mm (1.8 in)	52 years	60 of 100 (Major)
12 June 1963	Kriel (Pol), ZA	daily rain	30.0 mm (1.2 in)	30.0 mm (1.2 in)	57 years	54 of 100 (Notable)
12 June 1963	Wilgerivier (Sar), ZA	monthly rain	65.5 mm (2.6 in)	23.8 mm (0.9 in)	18 years	53 of 100 (Notable)
12 June 1963	Wara, IN	monthly rain	137.6 mm (5.4 in)	48.4 mm (1.9 in)	32 years	52 of 100 (Notable)
12 June 1963	Swaziland Ranch-Homest, SZ	daily rain	42.0 mm (1.7 in)	32.6 mm (1.3 in)	28 years	52 of 100 (Notable)
12 June 1963	Brockville, CA	daily low max	11.7 C (53.1 F)	6.6 C (11.9 F)	88 years	50 of 100 (Notable)
12 June 1963	Ogies (Pol), ZA	daily rain	72.0 mm (2.8 in)	64.4 mm (2.5 in)	18 years	50 of 100 (Notable)
12 June 1963	Springs-Olympia Park, ZA	daily rain	34.2 mm (1.3 in)	28.6 mm (1.1 in)	18 years	49 of 100 (Notable)
12 June 1963	Planknek, ZA	daily rain	26.0 mm (1.0 in)	26.0 mm (1.0 in)	56 years	49 of 100 (Notable)
12 June 1963	The Downs, ZA	daily rain	57.0 mm (2.2 in)	47.6 mm (1.9 in)	13 years	49 of 100 (Notable)
12 June 1963	Multai, IN	daily rain	95.0 mm (3.7 in)	59.4 mm (2.3 in)	32 years	48 of 100 (Notable)
12 June 1963	Cologne, ZA	monthly rain	67.0 mm (2.6 in)	24.3 mm (1.0 in)	22 years	48 of 100 (Notable)
12 June 1963	Dwaleni, SZ	daily rain	72.0 mm (2.8 in)	58.5 mm (2.3 in)	13 years	48 of 100 (Notable)
12 June 1963	Doornfontein, ZA	daily rain	33.0 mm (1.3 in)	33.0 mm (1.3 in)	36 years	46 of 100 (Notable)
12 June 1963	Bochum-1, ZA	daily rain	30.0 mm (1.2 in)	30.0 mm (1.2 in)	42 years	46 of 100 (Notable)
12 June 1963	Mtunzini, ZA	daily rain	84.0 mm (3.3 in)	73.3 mm (2.9 in)	17 years	45 of 100 (Notable)
12 June 1963	Germiston-Fj Payne Park, ZA	monthly rain	41.0 mm (1.6 in)	16.4 mm (0.6 in)	18 years	45 of 100 (Notable)
12 June 1963	Mosdene, ZA	daily rain	41.0 mm (1.6 in)	40.7 mm (1.6 in)	8 years	45 of 100 (Notable)
12 June 1963	Beerlaagte, ZA	daily rain	40.0 mm (1.6 in)	37.0 mm (1.5 in)	5 years	44 of 100 (Notable)
12 June 1963	Welbekend, ZA	daily rain	48.0 mm (1.9 in)	42.9 mm (1.7 in)	13 years	44 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

1797 to 1963

Records set or tied on this calendar date in each year from 1797 to 1963. 1963 had 618 records.

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

Records on 06-12 in each year
Year	Records
1797	1
1811	2
1838	1
1840	1
1843	1
1844	1
1845	1
1847	2
1854	1
1857	2
1859	1
1862	1
1863	1
1865	3
1866	3
1867	1
1871	1
1873	1
1874	3
1876	1
1877	4
1879	2
1880	5
1881	4
1882	2
1883	1
1884	2
1885	2
1887	2
1888	1
1889	1
1890	1
1892	1
1893	3
1894	6
1895	1
1896	1
1897	2
1898	8
1899	7
1900	3
1901	3
1902	8
1903	34
1904	8
1905	10
1906	24
1907	20
1908	9
1909	16
1910	37
1911	21
1912	23
1913	19
1914	36
1915	26
1916	80
1917	117
1918	44
1919	56
1920	93
1921	42
1922	56
1923	166
1924	153
1925	165
1926	201
1927	281
1928	180
1929	217
1930	127
1931	150
1932	352
1933	361
1934	159
1935	259
1936	440
1937	405
1938	349
1939	297
1940	389
1941	512
1942	729
1943	399
1944	423
1945	567
1946	321
1947	840
1948	215
1949	407
1950	530
1951	735
1952	1,035
1953	730
1954	337
1955	759
1956	786
1957	310
1958	454
1959	320
1960	200
1961	405
1962	328
1963	618
1964	405
1965	406
1966	530
1967	706
1968	404
1969	834
1970	701
1971	374
1972	903
1973	894
1974	575
1975	560
1976	617
1977	494
1978	438
1979	1,013
1980	718
1981	784
1982	734
1983	664
1984	653
1985	1,203
1986	778
1987	742
1988	785
1989	797
1990	664
1991	756
1992	849
1993	970
1994	654
1995	953
1996	925
1997	932
1998	1,683
1999	806
2000	1,169
2001	1,231
2002	965
2003	1,187
2004	759
2005	1,804
2006	1,216
2007	784
2008	1,219
2009	858
2010	1,423
2011	786
2012	751
2013	931
2014	421
2015	679
2016	809
2017	910
2018	635
2019	1,285
2020	712
2021	767
2022	1,204
2023	805
2024	805
2025	409
2026	979

Download the Data

Data for records on 1963-06-12: 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	378
10 to 20	73
20 to 30	36
30 to 40	11
40 to 50	7
50 to 60	3
60 to 70	2
70 to 80	1