Weather Records on 18 July 1950

632 weather records were set or tied worldwide on 18 July 1950. Highest significance: Rowena (Iffley), AU.

Key Facts for 18 July 1950

On 18 July 1950, 632 weather records were set or tied at long-record stations worldwide.
63 were record highs and 176 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 10 monthly and 621 daily.
Rowena (Iffley) set a daily record precipitation of 50.8 mm (2.0 in) on 18 July 1950.
Across 156 earlier years (1793 to 2026) the same calendar date averaged 461 records.

Record Map

632 stations

632 station records on 18 July 1950 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 July 1950: highest significance records shown on the map
Station	Country	Type	Value	Significance
Rowena (Iffley)	Australia	Record daily precipitation	50.8 mm (2.0 in)	57 of 100 (Notable)
Harrington Harbour	Canada	Record daily precipitation	43.7 mm (1.7 in)	54 of 100 (Notable)
Coffs Harbour	Australia	Record daily precipitation	81.0 mm (3.2 in)	52 of 100 (Notable)
Grand Canyon HQ	United States	Record daily precipitation	41.1 mm (1.6 in)	52 of 100 (Notable)
Goodwell Rsch STN	United States	Record daily precipitation	58.9 mm (2.3 in)	48 of 100 (Notable)
Coldwater	United States	Record daily precipitation	107.7 mm (4.2 in)	46 of 100 (Notable)
Rajgarh	India	Record daily precipitation	98.3 mm (3.9 in)	45 of 100 (Notable)
Stanton	United States	Record daily precipitation	76.7 mm (3.0 in)	43 of 100 (Notable)
Crosbyton	United States	Record daily precipitation	62.0 mm (2.4 in)	42 of 100 (Notable)
Nambucca Heads Bowling Club	Australia	Record daily precipitation	63.2 mm (2.5 in)	41 of 100 (Notable)
Lower Bucca	Australia	Record daily precipitation	79.5 mm (3.1 in)	40 of 100 (Notable)
Gola	India	Record daily precipitation	124.5 mm (4.9 in)	40 of 100 (Notable)
Russellville	United States	Record daily precipitation	77.0 mm (3.0 in)	40 of 100 (Notable)
Palmwoods Post Office	Australia	Record daily precipitation	36.3 mm (1.4 in)	39 of 100 (Notable)
Black Rock	United States	Record daily precipitation	56.9 mm (2.2 in)	39 of 100 (Notable)
Urunga (Sunset Place)	Australia	Record daily precipitation	72.4 mm (2.9 in)	38 of 100 (Notable)
Upper Urara (the Knoll)	Australia	Record daily precipitation	76.2 mm (3.0 in)	37 of 100 (Notable)
Chickasha	United States	Record daily precipitation	42.2 mm (1.7 in)	36 of 100 (Notable)
Macksville Country Club	Australia	Record daily precipitation	49.5 mm (1.9 in)	35 of 100 (Notable)
Sihora Sr	India	Record daily precipitation	251.5 mm (9.9 in)	35 of 100 (Notable)
Ozark	United States	Record daily precipitation	91.4 mm (3.6 in)	35 of 100 (Notable)
Springview 2NW	United States	Record daily precipitation	56.4 mm (2.2 in)	35 of 100 (Notable)
Beaver	United States	Record daily precipitation	45.5 mm (1.8 in)	35 of 100 (Notable)
Pauls Valley 4 WSW	United States	Record daily precipitation	44.7 mm (1.8 in)	35 of 100 (Notable)
Kempsey (Wide Street)	Australia	Record daily precipitation	47.8 mm (1.9 in)	34 of 100 (Routine)
Ankola	India	Record daily precipitation	210.8 mm (8.3 in)	34 of 100 (Routine)
Badausa	India	Record daily precipitation	95.3 mm (3.8 in)	34 of 100 (Routine)
Sioux Ctr 2 SE	United States	Record daily precipitation	61.5 mm (2.4 in)	34 of 100 (Routine)
Baheri	India	Record daily precipitation	158.2 mm (6.2 in)	33 of 100 (Routine)
Mukteshwar Kumaon	India	Record daily precipitation	66.5 mm (2.6 in)	33 of 100 (Routine)
Buderim Post Office	Australia	Record daily precipitation	36.1 mm (1.4 in)	32 of 100 (Routine)
Clovis	United States	Record daily precipitation	39.4 mm (1.6 in)	32 of 100 (Routine)
Bristow	United States	Record daily precipitation	117.6 mm (4.6 in)	32 of 100 (Routine)
Annanvale	Australia	Record daily precipitation	36.6 mm (1.4 in)	31 of 100 (Routine)
Grandchester Symes St	Australia	Record daily precipitation	26.9 mm (1.1 in)	31 of 100 (Routine)
Raleigh Post Office	Australia	Record daily precipitation	68.6 mm (2.7 in)	31 of 100 (Routine)
Port Macquarie (Bellevue Garde	Australia	Record daily precipitation	43.7 mm (1.7 in)	31 of 100 (Routine)
Cape Otway Lighthouse	Australia	Record high minimum temperature	11.1 C (52.0 F)	31 of 100 (Routine)
Niwas	India	Record daily precipitation	154.7 mm (6.1 in)	31 of 100 (Routine)
Arambagh	India	Record daily precipitation	107.2 mm (4.2 in)	31 of 100 (Routine)
Buffalo 2 SSW	United States	Record daily precipitation	100.6 mm (4.0 in)	31 of 100 (Routine)
Edmundston	Canada	Record daily precipitation	39.1 mm (1.5 in)	30 of 100 (Routine)
Chapra Obsy Sr	India	Record daily precipitation	101.9 mm (4.0 in)	30 of 100 (Routine)
Shahpura	India	Record daily precipitation	149.1 mm (5.9 in)	30 of 100 (Routine)
Jagraon	India	Record daily precipitation	96.5 mm (3.8 in)	30 of 100 (Routine)
Rogers	United States	Record daily precipitation	74.4 mm (2.9 in)	30 of 100 (Routine)
Steffenville	United States	Record daily precipitation	31.8 mm (1.3 in)	30 of 100 (Routine)
Melfort	Canada	Record low minimum temperature	1.1 C (34.0 F)	29 of 100 (Routine)
Jaora	India	Record daily precipitation	207.8 mm (8.2 in)	29 of 100 (Routine)
Khairagarh	India	Record daily precipitation	90.2 mm (3.6 in)	29 of 100 (Routine)
Subiaco	United States	Record daily precipitation	30.5 mm (1.2 in)	29 of 100 (Routine)
Kuraby Beenleigh Road	Australia	Record daily precipitation	33.8 mm (1.3 in)	28 of 100 (Routine)
Taranagar (Reni)	India	Record daily precipitation	78.0 mm (3.1 in)	28 of 100 (Routine)
Warsaw	United States	Record daily precipitation	27.2 mm (1.1 in)	28 of 100 (Routine)
Medicine Lodge	United States	Record daily precipitation	57.2 mm (2.3 in)	28 of 100 (Routine)
Chacon	United States	Record daily precipitation	37.8 mm (1.5 in)	28 of 100 (Routine)
Woodward	United States	Record daily precipitation	45.0 mm (1.8 in)	28 of 100 (Routine)
Fairfax	United States	Record daily precipitation	55.9 mm (2.2 in)	28 of 100 (Routine)
Mapleton Post Office	Australia	Record daily precipitation	36.6 mm (1.4 in)	27 of 100 (Routine)
Bellingen Post Office	Australia	Record daily precipitation	31.8 mm (1.3 in)	27 of 100 (Routine)

Counts by Type and Timescale

632 records

Records set or tied on 18 July 1950 by type: Highest daily maximum 11, Lowest daily maximum 133, Highest daily minimum 52, Lowest daily minimum 43, Heaviest daily rainfall 393.

Records on 18 July 1950 by type
Record type	Records
Highest daily maximum	11
Lowest daily maximum	133
Highest daily minimum	52
Lowest daily minimum	43
Heaviest daily rainfall	393
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 18 July 1950 by timescale: all-time 1, monthly 10, daily 621.

How Much Records Were Beaten By

535 broken records

Margins by which the 535 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 87.6. Ties are not counted.

Top 20 by Significance

18 July 1950

Top 20 records on 18 July 1950 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 July 1950	Rowena (Iffley), AU	daily rain	50.8 mm (2.0 in)	46.7 mm (1.8 in)	41 years	57 of 100 (Notable)
18 July 1950	Harrington Harbour, CA	daily rain	43.7 mm (1.7 in)	33.0 mm (1.3 in)	33 years	54 of 100 (Notable)
18 July 1950	Coffs Harbour, AU	daily rain	81.0 mm (3.2 in)	75.4 mm (3.0 in)	41 years	52 of 100 (Notable)
18 July 1950	Grand Canyon HQ, US	daily rain	41.1 mm (1.6 in)	31.4 mm (1.2 in)	28 years	52 of 100 (Notable)
18 July 1950	Goodwell Rsch STN, US	daily rain	58.9 mm (2.3 in)	41.1 mm (1.6 in)	36 years	48 of 100 (Notable)
18 July 1950	Coldwater, US	monthly rain	107.7 mm (4.2 in)	34.0 mm (1.3 in)	18 years	46 of 100 (Notable)
18 July 1950	Rajgarh, IN	daily rain	98.3 mm (3.9 in)	57.2 mm (2.3 in)	37 years	45 of 100 (Notable)
18 July 1950	Stanton, US	daily rain	76.7 mm (3.0 in)	37.1 mm (1.5 in)	44 years	43 of 100 (Notable)
18 July 1950	Crosbyton, US	daily rain	62.0 mm (2.4 in)	36.6 mm (1.4 in)	52 years	42 of 100 (Notable)
18 July 1950	Nambucca Heads Bowling Club, AU	daily rain	63.2 mm (2.5 in)	60.7 mm (2.4 in)	35 years	41 of 100 (Notable)
18 July 1950	Lower Bucca, AU	daily rain	79.5 mm (3.1 in)	61.7 mm (2.4 in)	35 years	40 of 100 (Notable)
18 July 1950	Gola, IN	daily rain	124.5 mm (4.9 in)	63.5 mm (2.5 in)	24 years	40 of 100 (Notable)
18 July 1950	Russellville, US	daily rain	77.0 mm (3.0 in)	56.9 mm (2.2 in)	12 years	40 of 100 (Notable)
18 July 1950	Palmwoods Post Office, AU	daily rain	36.3 mm (1.4 in)	29.9 mm (1.2 in)	54 years	39 of 100 (Notable)
18 July 1950	Black Rock, US	daily rain	56.9 mm (2.2 in)	35.8 mm (1.4 in)	32 years	39 of 100 (Notable)
18 July 1950	Urunga (Sunset Place), AU	daily rain	72.4 mm (2.9 in)	63.8 mm (2.5 in)	29 years	38 of 100 (Notable)
18 July 1950	Upper Urara (the Knoll), AU	daily rain	76.2 mm (3.0 in)	65.0 mm (2.6 in)	41 years	37 of 100 (Notable)
18 July 1950	Chickasha, US	daily rain	42.2 mm (1.7 in)	24.9 mm (1.0 in)	41 years	36 of 100 (Notable)
18 July 1950	Macksville Country Club, AU	daily rain	49.5 mm (1.9 in)	39.8 mm (1.6 in)	35 years	35 of 100 (Notable)
18 July 1950	Sihora Sr, IN	daily rain	251.5 mm (9.9 in)	60.7 mm (2.4 in)	25 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

1793 to 1950

Records set or tied on this calendar date in each year from 1793 to 1950. 1950 had 632 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 1950-07-18: 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 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Margin	Records
0 to 20	464
20 to 40	50
40 to 60	9
60 to 80	10
80 to 100	2