Weather Records on 18 July 1963

269 weather records were set or tied worldwide on 18 July 1963. Highest significance: Redwood Falls Muni AP, US.

Key Facts for 18 July 1963

On 18 July 1963, 269 weather records were set or tied at long-record stations worldwide.
114 were record highs and 51 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 7 monthly and 261 daily.
Redwood Falls Muni AP set a daily record precipitation of 65.5 mm (2.6 in) on 18 July 1963.
Across 156 earlier years (1793 to 2026) the same calendar date averaged 463 records.

Record Map

269 stations

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

Weather records on 18 July 1963: highest significance records shown on the map
Station	Country	Type	Value	Significance
Redwood Falls Muni AP	United States	Record daily precipitation	65.5 mm (2.6 in)	64 of 100 (Major)
Saint Paul Is AP	United States	Record daily precipitation	29.2 mm (1.1 in)	53 of 100 (Notable)
Fayette	United States	Record daily precipitation	91.4 mm (3.6 in)	49 of 100 (Notable)
Nalgonda	India	Record daily precipitation	101.6 mm (4.0 in)	48 of 100 (Notable)
Hosur	India	Record daily precipitation	66.0 mm (2.6 in)	45 of 100 (Notable)
Belair (State Flora Nursery)	Australia	Record daily precipitation	26.2 mm (1.0 in)	43 of 100 (Notable)
Creston	Canada	Record daily precipitation	28.7 mm (1.1 in)	37 of 100 (Notable)
Karur	India	Record daily precipitation	48.4 mm (1.9 in)	37 of 100 (Notable)
Tihoreck	Russia	Record daily precipitation	30.6 mm (1.2 in)	36 of 100 (Notable)
Villupuram	India	Record daily precipitation	68.0 mm (2.7 in)	35 of 100 (Notable)
Inverness 3 SE	United States	Record daily precipitation	71.1 mm (2.8 in)	34 of 100 (Routine)
La Grange 1N	United States	Record daily precipitation	67.6 mm (2.7 in)	33 of 100 (Routine)
Savage	United States	Record daily precipitation	29.5 mm (1.2 in)	33 of 100 (Routine)
Forbes (Camp Street)	Australia	Record low maximum temperature	5.6 C (42.1 F)	32 of 100 (Routine)
Nagarkurnool	India	Record daily precipitation	74.7 mm (2.9 in)	32 of 100 (Routine)
Armagh	United Kingdom	Record low minimum temperature	5.7 C (42.3 F)	32 of 100 (Routine)
Bay Saint Louis	United States	Record high minimum temperature	27.2 C (81.0 F)	32 of 100 (Routine)
Bolivar Wtr Wks	United States	Record low maximum temperature	27.2 C (81.0 F)	31 of 100 (Routine)
Munchen-Nymphenburg	Germany	Record daily precipitation	45.8 mm (1.8 in)	30 of 100 (Routine)
Sigmarszell-Zeisertsweiler	Germany	Record daily precipitation	54.2 mm (2.1 in)	30 of 100 (Routine)
Toronto	Canada	Record high maximum temperature	34.4 C (93.9 F)	29 of 100 (Routine)
Butler	United States	Record daily precipitation	62.7 mm (2.5 in)	29 of 100 (Routine)
Mc Intosh 6 SE	United States	Record daily precipitation	30.5 mm (1.2 in)	29 of 100 (Routine)
Durham	Canada	Record high minimum temperature	19.4 C (66.9 F)	28 of 100 (Routine)
Madison Sewage Plt	United States	Record high minimum temperature	25.0 C (77.0 F)	28 of 100 (Routine)
Mayhill Rs	United States	Record daily precipitation	64.0 mm (2.5 in)	28 of 100 (Routine)
Port Lavaca 2	United States	Record high minimum temperature	26.7 C (80.1 F)	28 of 100 (Routine)
Lindsay	Canada	Record high minimum temperature	20.6 C (69.1 F)	27 of 100 (Routine)
Chipman	Canada	Record daily precipitation	39.9 mm (1.6 in)	27 of 100 (Routine)
Pontotoc	United States	Record daily precipitation	74.4 mm (2.9 in)	27 of 100 (Routine)
Naraingarh	India	Record daily precipitation	97.5 mm (3.8 in)	26 of 100 (Routine)
Trinidad	United States	Record high minimum temperature	20.6 C (69.1 F)	26 of 100 (Routine)
Albert Lea 3SE	United States	Record daily precipitation	53.3 mm (2.1 in)	26 of 100 (Routine)
Laguna	United States	Record high minimum temperature	20.0 C (68.0 F)	26 of 100 (Routine)
La Pocatiere Cda	Canada	Record low maximum temperature	15.0 C (59.0 F)	25 of 100 (Routine)
Tindivanam	India	Record daily precipitation	56.6 mm (2.2 in)	25 of 100 (Routine)
Bethlehem Lehigh UNIV	United States	Record high maximum temperature	36.7 C (98.1 F)	25 of 100 (Routine)
Korf	Russia	Record daily precipitation	29.4 mm (1.2 in)	24 of 100 (Routine)
Estherville 4E	United States	Record daily precipitation	50.8 mm (2.0 in)	24 of 100 (Routine)
Scottsbluff W B Heilig Fld AP	United States	Record high minimum temperature	19.4 C (66.9 F)	24 of 100 (Routine)
La Malbaie	Canada	Record low maximum temperature	14.4 C (57.9 F)	23 of 100 (Routine)
Gouna (Bos)	South Africa	Record daily precipitation	31.0 mm (1.2 in)	23 of 100 (Routine)
Geneva	United States	Record daily precipitation	43.9 mm (1.7 in)	23 of 100 (Routine)
Plymouth Pwr Substn	United States	Record daily precipitation	25.4 mm (1.0 in)	22 of 100 (Routine)
University	United States	Record low maximum temperature	25.6 C (78.1 F)	22 of 100 (Routine)
University	United States	Record daily precipitation	53.8 mm (2.1 in)	22 of 100 (Routine)
Artesia 6S	United States	Record high maximum temperature	41.1 C (106.0 F)	22 of 100 (Routine)
Cloudcroft	United States	Record high maximum temperature	28.9 C (84.0 F)	22 of 100 (Routine)
Walhalla	United States	Record daily precipitation	58.2 mm (2.3 in)	22 of 100 (Routine)
Tropic	United States	Record high minimum temperature	20.0 C (68.0 F)	22 of 100 (Routine)
Barrage Gouin	Canada	Record daily precipitation	33.0 mm (1.3 in)	21 of 100 (Routine)
Coloso	Puerto Rico [United States]	Record high minimum temperature	23.3 C (73.9 F)	21 of 100 (Routine)
Burlington	United States	Record high maximum temperature	41.1 C (106.0 F)	21 of 100 (Routine)
La Belle	United States	Record daily precipitation	33.5 mm (1.3 in)	21 of 100 (Routine)
Murray	United States	Record daily precipitation	60.2 mm (2.4 in)	21 of 100 (Routine)
Carrizozo 1SW	United States	Record high maximum temperature	38.9 C (102.0 F)	21 of 100 (Routine)
Rochester Intl AP	United States	Record daily precipitation	32.3 mm (1.3 in)	21 of 100 (Routine)
Cape Agulhas	South Africa	Record daily precipitation	19.0 mm (0.7 in)	20 of 100 (Routine)
Mangochi	Malawi	Record daily precipitation	1.8 mm (0.07 in)	20 of 100 (Routine)
Bradford Cntrl Fs	United States	Record daily precipitation	20.1 mm (0.8 in)	20 of 100 (Routine)

Counts by Type and Timescale

269 records

Records set or tied on 18 July 1963 by type: Highest daily maximum 42, Lowest daily maximum 31, Highest daily minimum 72, Lowest daily minimum 20, Heaviest daily rainfall 104.

Records on 18 July 1963 by type
Record type	Records
Highest daily maximum	42
Lowest daily maximum	31
Highest daily minimum	72
Lowest daily minimum	20
Heaviest daily rainfall	104
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 18 July 1963 by timescale: all-time 1, monthly 7, daily 261.

How Much Records Were Beaten By

191 broken records

Margins by which the 191 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 72.9. Ties are not counted.

Top 20 by Significance

18 July 1963

Top 20 records on 18 July 1963 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 July 1963	Redwood Falls Muni AP, US	daily rain	65.5 mm (2.6 in)	47.2 mm (1.9 in)	70 years	64 of 100 (Major)
18 July 1963	Saint Paul Is AP, US	daily rain	29.2 mm (1.1 in)	19.5 mm (0.8 in)	36 years	53 of 100 (Notable)
18 July 1963	Fayette, US	daily rain	91.4 mm (3.6 in)	72.9 mm (2.9 in)	6 years	49 of 100 (Notable)
18 July 1963	Nalgonda, IN	daily rain	101.6 mm (4.0 in)	57.1 mm (2.2 in)	12 years	48 of 100 (Notable)
18 July 1963	Hosur, IN	daily rain	66.0 mm (2.6 in)	27.9 mm (1.1 in)	48 years	45 of 100 (Notable)
18 July 1963	Belair (State Flora Nursery), AU	daily rain	26.2 mm (1.0 in)	8.9 mm (0.35 in)	69 years	43 of 100 (Notable)
18 July 1963	Creston, CA	monthly rain	28.7 mm (1.1 in)	3.3 mm (0.13 in)	47 years	37 of 100 (Notable)
18 July 1963	Karur, IN	daily rain	48.4 mm (1.9 in)	39.3 mm (1.5 in)	9 years	37 of 100 (Notable)
18 July 1963	Tihoreck, RU	daily rain	30.6 mm (1.2 in)	7.6 mm (0.30 in)	71 years	36 of 100 (Notable)
18 July 1963	Villupuram, IN	daily rain	68.0 mm (2.7 in)	23.3 mm (0.9 in)	48 years	35 of 100 (Notable)
18 July 1963	Inverness 3 SE, US	daily rain	71.1 mm (2.8 in)	25.4 mm (1.0 in)	49 years	34 of 100 (Routine)
18 July 1963	La Grange 1N, US	daily rain	67.6 mm (2.7 in)	30.3 mm (1.2 in)	25 years	33 of 100 (Routine)
18 July 1963	Savage, US	daily rain	29.5 mm (1.2 in)	17.6 mm (0.7 in)	34 years	33 of 100 (Routine)
18 July 1963	Forbes (Camp Street), AU	daily low max	5.6 C (42.1 F)	1.6 C (2.9 F)	62 years	32 of 100 (Routine)
18 July 1963	Nagarkurnool, IN	daily rain	74.7 mm (2.9 in)	34.1 mm (1.3 in)	6 years	32 of 100 (Routine)
18 July 1963	Armagh, GB	daily low min	5.7 C (42.3 F)	0.4 C (0.7 F)	72 years	32 of 100 (Routine)
18 July 1963	Bay Saint Louis, US	daily high min	27.2 C (81.0 F)	1.1 C (2.0 F)	64 years	32 of 100 (Routine)
18 July 1963	Bolivar Wtr Wks, US	daily low max	27.2 C (81.0 F)	1.7 C (3.1 F)	65 years	31 of 100 (Routine)
18 July 1963	Munchen-Nymphenburg, DE	daily rain	45.8 mm (1.8 in)	16.8 mm (0.7 in)	20 years	30 of 100 (Routine)
18 July 1963	Sigmarszell-Zeisertsweiler, DE	daily rain	54.2 mm (2.1 in)	30.0 mm (1.2 in)	9 years	30 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

1793 to 1963

Records set or tied on this calendar date in each year from 1793 to 1963. 1963 had 269 records.

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

Records on 07-18 in each year
Year	Records
1793	2
1801	1
1845	1
1847	1
1851	1
1858	1
1862	1
1863	2
1865	1
1866	2
1871	2
1872	1
1874	1
1877	1
1878	4
1880	1
1881	2
1883	2
1886	2
1887	2
1888	1
1889	2
1890	4
1891	1
1892	2
1895	1
1896	2
1897	6
1898	2
1899	3
1900	8
1901	5
1902	3
1903	14
1904	7
1905	22
1906	13
1907	12
1908	39
1909	11
1910	33
1911	42
1912	28
1913	21
1914	47
1915	95
1916	235
1917	265
1918	58
1919	38
1920	59
1921	67
1922	138
1923	126
1924	306
1925	217
1926	191
1927	85
1928	108
1929	123
1930	462
1931	382
1932	343
1933	228
1934	502
1935	212
1936	665
1937	334
1938	306
1939	424
1940	352
1941	349
1942	661
1943	277
1944	333
1945	350
1946	334
1947	385
1948	289
1949	521
1950	632
1951	307
1952	597
1953	493
1954	501
1955	423
1956	466
1957	325
1958	475
1959	548
1960	669
1961	280
1962	516
1963	269
1964	523
1965	707
1966	545
1967	735
1968	998
1969	590
1970	530
1971	625
1972	701
1973	976
1974	729
1975	643
1976	1,047
1977	839
1978	881
1979	821
1980	747
1981	624
1982	749
1983	1,071
1984	1,000
1985	582
1986	908
1987	1,845
1988	1,001
1989	1,233
1990	1,053
1991	589
1992	1,135
1993	1,013
1994	720
1995	904
1996	1,157
1997	785
1998	1,169
1999	900
2000	1,214
2001	909
2002	840
2003	1,159
2004	985
2005	1,210
2006	1,285
2007	1,267
2008	593
2009	1,757
2010	878
2011	1,148
2012	1,070
2013	921
2014	1,348
2015	745
2016	609
2017	426
2018	699
2019	548
2020	361
2021	676
2022	1,071
2023	867
2024	581
2025	779
2026	806

Download the Data

Data for records on 1963-07-18: 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).

Margin	Records
0 to 10	159
10 to 20	19
20 to 30	6
30 to 40	4
40 to 50	1
50 to 60	1
60 to 70	0
70 to 80	1