Weather Records on 18 June 1963

305 weather records were set or tied worldwide on 18 June 1963. Highest significance: Gjerstad I Aust-Agder, NO.

Key Facts for 18 June 1963

On 18 June 1963, 305 weather records were set or tied at long-record stations worldwide.
86 were record highs and 81 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 7 monthly and 298 daily.
Gjerstad I Aust-Agder set a daily record precipitation of 67.5 mm (2.7 in) on 18 June 1963.
Across 162 earlier years (1800 to 2026) the same calendar date averaged 437 records.

Record Map

305 stations

305 station records on 18 June 1963 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 June 1963: highest significance records shown on the map
Station	Country	Type	Value	Significance
Gjerstad I Aust-Agder	Norway	Record daily precipitation	67.5 mm (2.7 in)	64 of 100 (Major)
Juana Diaz Camp	Puerto Rico [United States]	Record high minimum temperature	28.3 C (82.9 F)	52 of 100 (Notable)
Caryville	United States	Record daily precipitation	125.7 mm (4.9 in)	52 of 100 (Notable)
Waynesboro 2 S	United States	Record daily precipitation	79.8 mm (3.1 in)	51 of 100 (Notable)
Eufaula	United States	Record daily precipitation	69.9 mm (2.8 in)	48 of 100 (Notable)
San Benito	United States	Record daily precipitation	121.4 mm (4.8 in)	46 of 100 (Notable)
Ozark 6 NNW	United States	Record daily precipitation	118.1 mm (4.6 in)	41 of 100 (Notable)
Walterboro 1 SW	United States	Record daily precipitation	64.8 mm (2.6 in)	39 of 100 (Notable)
Jamshedpur	India	Record daily precipitation	102.4 mm (4.0 in)	38 of 100 (Notable)
Parsa	India	Record daily precipitation	104.1 mm (4.1 in)	37 of 100 (Notable)
Blakely	United States	Record daily precipitation	49.0 mm (1.9 in)	36 of 100 (Notable)
Edgefield 3 NNE	United States	Record daily precipitation	64.5 mm (2.5 in)	36 of 100 (Notable)
Franklin 3 NW	United States	Record low maximum temperature	27.2 C (81.0 F)	35 of 100 (Notable)
Port Lavaca 2	United States	Record low maximum temperature	27.2 C (81.0 F)	35 of 100 (Notable)
Belair (Kalyra)	Australia	Record daily precipitation	36.3 mm (1.4 in)	33 of 100 (Routine)
Bay Minette	United States	Record daily precipitation	71.1 mm (2.8 in)	33 of 100 (Routine)
Montezuma 2 NW	United States	Record daily precipitation	51.8 mm (2.0 in)	33 of 100 (Routine)
Donaldsonville 4 SW	United States	Record daily precipitation	55.9 mm (2.2 in)	33 of 100 (Routine)
Tovdal	Norway	Record daily precipitation	33.5 mm (1.3 in)	32 of 100 (Routine)
Penrose	United States	Record daily precipitation	27.9 mm (1.1 in)	32 of 100 (Routine)
Dinapur Sr	India	Record daily precipitation	70.4 mm (2.8 in)	31 of 100 (Routine)
Midville	United States	Record daily precipitation	49.8 mm (2.0 in)	31 of 100 (Routine)
Melrose	United States	Record daily precipitation	41.1 mm (1.6 in)	30 of 100 (Routine)
Mehgaon	India	Record daily precipitation	25.0 mm (1.0 in)	29 of 100 (Routine)
Natchez	United States	Record low maximum temperature	23.9 C (75.0 F)	29 of 100 (Routine)
Hereford	United States	Record low maximum temperature	20.0 C (68.0 F)	29 of 100 (Routine)
Banff	Canada	Record high maximum temperature	27.8 C (82.0 F)	28 of 100 (Routine)
Mestad I Oddernes	Norway	Record daily precipitation	39.7 mm (1.6 in)	28 of 100 (Routine)
Ft Gaines	United States	Record daily precipitation	96.5 mm (3.8 in)	28 of 100 (Routine)
Griffin	United States	Record low maximum temperature	21.7 C (71.1 F)	28 of 100 (Routine)
Winnsboro 5 SSE	United States	Record low maximum temperature	24.4 C (75.9 F)	28 of 100 (Routine)
Ft Benton	United States	Record high maximum temperature	34.4 C (93.9 F)	28 of 100 (Routine)
Greenville	United States	Record low maximum temperature	21.1 C (70.0 F)	28 of 100 (Routine)
Herefoss	Norway	Record daily precipitation	39.3 mm (1.5 in)	26 of 100 (Routine)
Covington	United States	Record low maximum temperature	21.1 C (70.0 F)	26 of 100 (Routine)
Mykland	Norway	Record daily precipitation	40.9 mm (1.6 in)	25 of 100 (Routine)
Seale	United States	Record daily precipitation	44.5 mm (1.8 in)	25 of 100 (Routine)
Marianna Sch For Boys	United States	Record daily precipitation	69.9 mm (2.8 in)	25 of 100 (Routine)
Chester	United States	Record high maximum temperature	32.2 C (90.0 F)	25 of 100 (Routine)
Sugar Land	United States	Record low maximum temperature	27.2 C (81.0 F)	25 of 100 (Routine)
Silver Lake Brighton	United States	Record daily precipitation	25.7 mm (1.0 in)	25 of 100 (Routine)
Paraswada	India	Record daily precipitation	69.8 mm (2.7 in)	24 of 100 (Routine)
Sitapur	India	Record daily precipitation	50.8 mm (2.0 in)	24 of 100 (Routine)
Postmyr I Drangedal	Norway	Record daily precipitation	50.8 mm (2.0 in)	24 of 100 (Routine)
Tiger Creek Ph	United States	Record high minimum temperature	15.6 C (60.1 F)	24 of 100 (Routine)
Falfurrias	United States	Record daily precipitation	48.8 mm (1.9 in)	24 of 100 (Routine)
Mercedes 6 SSE	United States	Record daily precipitation	43.9 mm (1.7 in)	24 of 100 (Routine)
Kamloops	Canada	Record high maximum temperature	34.4 C (93.9 F)	23 of 100 (Routine)
Brooks Ahrc	Canada	Record high minimum temperature	16.1 C (61.0 F)	23 of 100 (Routine)
Willow Creek	Canada	Record high maximum temperature	33.3 C (91.9 F)	23 of 100 (Routine)
Bori	India	Record daily precipitation	108.4 mm (4.3 in)	23 of 100 (Routine)
Pratapgarh	India	Record daily precipitation	64.8 mm (2.6 in)	23 of 100 (Routine)
Tarakeshwar	India	Record daily precipitation	68.0 mm (2.7 in)	23 of 100 (Routine)
Salmon Arm	Canada	Record high maximum temperature	33.3 C (91.9 F)	22 of 100 (Routine)
Dharmsala Lower	India	Record daily precipitation	110.0 mm (4.3 in)	22 of 100 (Routine)
Placerville	United States	Record high minimum temperature	16.1 C (61.0 F)	22 of 100 (Routine)
Holly	United States	Record low maximum temperature	21.1 C (70.0 F)	22 of 100 (Routine)
Glennville 3NW	United States	Record daily precipitation	38.1 mm (1.5 in)	22 of 100 (Routine)
Anahuac	United States	Record low maximum temperature	27.8 C (82.0 F)	22 of 100 (Routine)
Falfurrias	United States	Record low maximum temperature	25.6 C (78.1 F)	22 of 100 (Routine)

Counts by Type and Timescale

305 records

Records set or tied on 18 June 1963 by type: Highest daily maximum 44, Lowest daily maximum 61, Highest daily minimum 42, Lowest daily minimum 20, Heaviest daily rainfall 137, Heaviest daily snowfall 1.

Records on 18 June 1963 by type
Record type	Records
Highest daily maximum	44
Lowest daily maximum	61
Highest daily minimum	42
Lowest daily minimum	20
Heaviest daily rainfall	137
Heaviest daily snowfall	1
Deepest snow cover	0

Records on 18 June 1963 by timescale: all-time 0, monthly 7, daily 298.

How Much Records Were Beaten By

244 broken records

Margins by which the 244 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 101.3. Ties are not counted.

Top 20 by Significance

18 June 1963

Top 20 records on 18 June 1963 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 June 1963	Gjerstad I Aust-Agder, NO	daily rain	67.5 mm (2.7 in)	44.3 mm (1.7 in)	60 years	64 of 100 (Major)
18 June 1963	Juana Diaz Camp, PR	daily high min	28.3 C (82.9 F)	5.0 C (9.0 F)	32 years	52 of 100 (Notable)
18 June 1963	Caryville, US	daily rain	125.7 mm (4.9 in)	71.1 mm (2.8 in)	30 years	52 of 100 (Notable)
18 June 1963	Waynesboro 2 S, US	daily rain	79.8 mm (3.1 in)	45.0 mm (1.8 in)	53 years	51 of 100 (Notable)
18 June 1963	Eufaula, US	daily rain	69.9 mm (2.8 in)	43.2 mm (1.7 in)	38 years	48 of 100 (Notable)
18 June 1963	San Benito, US	daily rain	121.4 mm (4.8 in)	101.3 mm (4.0 in)	6 years	46 of 100 (Notable)
18 June 1963	Ozark 6 NNW, US	monthly rain	118.1 mm (4.6 in)	21.6 mm (0.9 in)	35 years	41 of 100 (Notable)
18 June 1963	Walterboro 1 SW, US	daily rain	64.8 mm (2.6 in)	36.9 mm (1.5 in)	48 years	39 of 100 (Notable)
18 June 1963	Jamshedpur, IN	daily rain	102.4 mm (4.0 in)	56.2 mm (2.2 in)	32 years	38 of 100 (Notable)
18 June 1963	Parsa, IN	daily rain	104.1 mm (4.1 in)	55.8 mm (2.2 in)	12 years	37 of 100 (Notable)
18 June 1963	Blakely, US	daily rain	49.0 mm (1.9 in)	16.5 mm (0.6 in)	60 years	36 of 100 (Notable)
18 June 1963	Edgefield 3 NNE, US	daily rain	64.5 mm (2.5 in)	29.2 mm (1.1 in)	32 years	36 of 100 (Notable)
18 June 1963	Franklin 3 NW, US	daily low max	27.2 C (81.0 F)	2.2 C (4.0 F)	63 years	35 of 100 (Notable)
18 June 1963	Port Lavaca 2, US	daily low max	27.2 C (81.0 F)	2.8 C (5.0 F)	56 years	35 of 100 (Notable)
18 June 1963	Belair (Kalyra), AU	daily rain	36.3 mm (1.4 in)	16.0 mm (0.6 in)	36 years	33 of 100 (Routine)
18 June 1963	Bay Minette, US	daily rain	71.1 mm (2.8 in)	28.4 mm (1.1 in)	38 years	33 of 100 (Routine)
18 June 1963	Montezuma 2 NW, US	daily rain	51.8 mm (2.0 in)	23.4 mm (0.9 in)	28 years	33 of 100 (Routine)
18 June 1963	Donaldsonville 4 SW, US	daily rain	55.9 mm (2.2 in)	15.3 mm (0.6 in)	62 years	33 of 100 (Routine)
18 June 1963	Tovdal, NO	daily rain	33.5 mm (1.3 in)	17.5 mm (0.7 in)	29 years	32 of 100 (Routine)
18 June 1963	Penrose, US	daily rain	27.9 mm (1.1 in)	17.5 mm (0.7 in)	16 years	32 of 100 (Routine)

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

1800 to 1963

Records set or tied on this calendar date in each year from 1800 to 1963. 1963 had 305 records.

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

Records on 06-18 in each year
Year	Records
1800	1
1801	1
1802	1
1803	1
1816	1
1821	1
1823	1
1839	1
1841	1
1848	1
1855	1
1858	2
1859	1
1862	2
1865	1
1869	1
1870	1
1875	2
1876	1
1879	1
1880	1
1881	2
1882	2
1883	1
1884	1
1886	1
1888	3
1889	1
1890	3
1892	3
1893	1
1894	2
1895	3
1896	4
1897	5
1899	3
1900	4
1901	10
1902	7
1903	13
1904	5
1905	32
1906	16
1907	21
1908	20
1909	39
1910	15
1911	14
1912	25
1913	29
1914	43
1915	62
1916	29
1917	55
1918	118
1919	65
1920	53
1921	44
1922	57
1923	144
1924	108
1925	246
1926	176
1927	287
1928	205
1929	297
1930	379
1931	267
1932	219
1933	499
1934	335
1935	494
1936	549
1937	301
1938	391
1939	674
1940	620
1941	273
1942	201
1943	173
1944	726
1945	784
1946	532
1947	391
1948	421
1949	734
1950	828
1951	237
1952	435
1953	730
1954	460
1955	721
1956	373
1957	672
1958	532
1959	573
1960	394
1961	979
1962	302
1963	305
1964	840
1965	589
1966	431
1967	308
1968	556
1969	598
1970	486
1971	456
1972	334
1973	861
1974	719
1975	821
1976	508
1977	768
1978	516
1979	581
1980	447
1981	895
1982	736
1983	1,080
1984	716
1985	921
1986	862
1987	925
1988	748
1989	697
1990	795
1991	944
1992	579
1993	834
1994	1,156
1995	1,224
1996	1,004
1997	894
1998	1,600
1999	1,258
2000	1,474
2001	589
2002	1,397
2003	853
2004	1,056
2005	1,014
2006	699
2007	898
2008	628
2009	920
2010	928
2011	952
2012	832
2013	847
2014	732
2015	978
2016	787
2017	839
2018	968
2019	425
2020	572
2021	1,874
2022	1,194
2023	574
2024	1,150
2025	583
2026	830

Download the Data

Data for records on 1963-06-18: 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).