Weather Records on 18 July 1951

307 weather records were set or tied worldwide on 18 July 1951. Highest significance: Rapalle, IN.

Key Facts for 18 July 1951

On 18 July 1951, 307 weather records were set or tied at long-record stations worldwide.
128 were record highs and 56 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 6 monthly and 299 daily.
Rapalle set a monthly record daily precipitation of 200.7 mm (7.9 in) on 18 July 1951.
Across 156 earlier years (1793 to 2026) the same calendar date averaged 463 records.

Record Map

307 stations

307 station records on 18 July 1951 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 July 1951: highest significance records shown on the map
Station	Country	Type	Value	Significance
Rapalle	India	Record daily precipitation	200.7 mm (7.9 in)	57 of 100 (Notable)
Venukonda	India	Record daily precipitation	67.3 mm (2.6 in)	55 of 100 (Notable)
Nevasa	India	Record daily precipitation	66.0 mm (2.6 in)	53 of 100 (Notable)
Murrindindi	Australia	Record daily precipitation	41.1 mm (1.6 in)	52 of 100 (Notable)
Langet	India	Record daily precipitation	55.9 mm (2.2 in)	45 of 100 (Notable)
Ogallala	United States	Record daily precipitation	35.3 mm (1.4 in)	44 of 100 (Notable)
Snake Rvr	United States	Record high maximum temperature	36.1 C (97.0 F)	39 of 100 (Notable)
Atmakur	India	Record daily precipitation	50.5 mm (2.0 in)	38 of 100 (Notable)
Debrecen Airport	Hungary	Record daily precipitation	35.0 mm (1.4 in)	37 of 100 (Notable)
Nellore	India	Record daily precipitation	73.2 mm (2.9 in)	36 of 100 (Notable)
Shrigonda	India	Record daily precipitation	42.9 mm (1.7 in)	36 of 100 (Notable)
Ranfurly	Canada	Record daily precipitation	37.1 mm (1.5 in)	35 of 100 (Notable)
Chauradano	India	Record daily precipitation	145.3 mm (5.7 in)	35 of 100 (Notable)
Chandragiri	India	Record daily precipitation	73.9 mm (2.9 in)	34 of 100 (Routine)
Tadepalligudem	India	Record daily precipitation	78.7 mm (3.1 in)	34 of 100 (Routine)
Augathella Post Office	Australia	Record daily precipitation	30.2 mm (1.2 in)	33 of 100 (Routine)
Markapur	India	Record daily precipitation	33.5 mm (1.3 in)	32 of 100 (Routine)
Settle	United States	Record daily precipitation	58.4 mm (2.3 in)	32 of 100 (Routine)
Bramfield Post Office	Australia	Record daily precipitation	26.7 mm (1.1 in)	31 of 100 (Routine)
Mount McIntyre	Australia	Record daily precipitation	36.6 mm (1.4 in)	31 of 100 (Routine)
Calcutta/Alipore	India	Record daily precipitation	111.3 mm (4.4 in)	31 of 100 (Routine)
Dumka	India	Record daily precipitation	88.4 mm (3.5 in)	30 of 100 (Routine)
Deloraine (Athol)	Australia	Record daily precipitation	45.7 mm (1.8 in)	29 of 100 (Routine)
Rajahmundry	India	Record daily precipitation	73.2 mm (2.9 in)	28 of 100 (Routine)
Tanuku	India	Record daily precipitation	57.2 mm (2.3 in)	28 of 100 (Routine)
Uman	Ukraine	Record high minimum temperature	20.6 C (69.1 F)	28 of 100 (Routine)
Freehold-Marlboro	United States	Record low maximum temperature	23.9 C (75.0 F)	28 of 100 (Routine)
Qu'appelle	Canada	Record low minimum temperature	2.2 C (36.0 F)	27 of 100 (Routine)
Sidhout(Siddavat)	India	Record daily precipitation	40.6 mm (1.6 in)	27 of 100 (Routine)
Motihari	India	Record daily precipitation	133.4 mm (5.3 in)	27 of 100 (Routine)
Horton	United States	Record daily precipitation	49.3 mm (1.9 in)	27 of 100 (Routine)
Woodstock	United States	Record low maximum temperature	19.4 C (66.9 F)	27 of 100 (Routine)
Bagaha	India	Record daily precipitation	156.2 mm (6.1 in)	26 of 100 (Routine)
Bettiah	India	Record daily precipitation	144.8 mm (5.7 in)	26 of 100 (Routine)
Ennore Obsy	India	Record daily precipitation	30.5 mm (1.2 in)	26 of 100 (Routine)
Glomfjord	Norway	Record daily precipitation	33.8 mm (1.3 in)	26 of 100 (Routine)
Albany 3 SE	United States	Record high maximum temperature	39.4 C (102.9 F)	26 of 100 (Routine)
Garden Valley	United States	Record high minimum temperature	17.8 C (64.0 F)	26 of 100 (Routine)
Donaldsonville 4 SW	United States	Record low minimum temperature	19.4 C (66.9 F)	26 of 100 (Routine)
Beatrice	United States	Record daily precipitation	62.7 mm (2.5 in)	26 of 100 (Routine)
Bapatla	India	Record daily precipitation	56.9 mm (2.2 in)	25 of 100 (Routine)
Bobbili	India	Record daily precipitation	43.9 mm (1.7 in)	25 of 100 (Routine)
Burhanpur Sr	India	Record daily precipitation	79.2 mm (3.1 in)	25 of 100 (Routine)
Causapscal	Canada	Record low minimum temperature	-0.6 C (30.9 F)	24 of 100 (Routine)
Sunbaras Sr	India	Record daily precipitation	101.6 mm (4.0 in)	24 of 100 (Routine)
Shevgaon	India	Record daily precipitation	30.5 mm (1.2 in)	24 of 100 (Routine)
Cavendish	United States	Record low maximum temperature	20.6 C (69.1 F)	24 of 100 (Routine)
Cairns Post Office	Australia	Record high minimum temperature	21.1 C (70.0 F)	23 of 100 (Routine)
Hollister 1 SW	United States	Record high minimum temperature	17.2 C (63.0 F)	23 of 100 (Routine)
Oakland	United States	Record high maximum temperature	32.2 C (90.0 F)	23 of 100 (Routine)
Quincy Exp STN	United States	Record high maximum temperature	37.8 C (100.0 F)	23 of 100 (Routine)
Tifton	United States	Record daily precipitation	61.0 mm (2.4 in)	23 of 100 (Routine)
Provincetown 3 NW	United States	Record high maximum temperature	32.8 C (91.0 F)	23 of 100 (Routine)
Sindkheda	India	Record daily precipitation	41.7 mm (1.6 in)	22 of 100 (Routine)
Winkelman 6 S	United States	Record high maximum temperature	42.2 C (108.0 F)	22 of 100 (Routine)
Newport	United States	Record high minimum temperature	26.1 C (79.0 F)	22 of 100 (Routine)
Hawthorne AP	United States	Record high maximum temperature	37.8 C (100.0 F)	22 of 100 (Routine)
Kalahasti	India	Record daily precipitation	36.6 mm (1.4 in)	21 of 100 (Routine)
Mummidivaram	India	Record daily precipitation	62.5 mm (2.5 in)	21 of 100 (Routine)
Athipettu	India	Record daily precipitation	29.0 mm (1.1 in)	21 of 100 (Routine)

Counts by Type and Timescale

307 records

Records set or tied on 18 July 1951 by type: Highest daily maximum 75, Lowest daily maximum 26, Highest daily minimum 53, Lowest daily minimum 30, Heaviest daily rainfall 123.

Records on 18 July 1951 by type
Record type	Records
Highest daily maximum	75
Lowest daily maximum	26
Highest daily minimum	53
Lowest daily minimum	30
Heaviest daily rainfall	123
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 18 July 1951 by timescale: all-time 2, monthly 6, daily 299.

How Much Records Were Beaten By

230 broken records

Margins by which the 230 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 86.7. Ties are not counted.

Top 20 by Significance

18 July 1951

Top 20 records on 18 July 1951 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 July 1951	Rapalle, IN	monthly rain	200.7 mm (7.9 in)	86.7 mm (3.4 in)	7 years	57 of 100 (Notable)
18 July 1951	Venukonda, IN	daily rain	67.3 mm (2.6 in)	37.3 mm (1.5 in)	49 years	55 of 100 (Notable)
18 July 1951	Nevasa, IN	daily rain	66.0 mm (2.6 in)	46.2 mm (1.8 in)	48 years	53 of 100 (Notable)
18 July 1951	Murrindindi, AU	daily rain	41.1 mm (1.6 in)	27.1 mm (1.1 in)	33 years	52 of 100 (Notable)
18 July 1951	Langet, IN	daily rain	55.9 mm (2.2 in)	45.7 mm (1.8 in)	8 years	45 of 100 (Notable)
18 July 1951	Ogallala, US	daily rain	35.3 mm (1.4 in)	34.3 mm (1.4 in)	20 years	44 of 100 (Notable)
18 July 1951	Snake Rvr, US	all-time high max	36.1 C (97.0 F)	2.2 C (4.0 F)	35 years	39 of 100 (Notable)
18 July 1951	Atmakur, IN	daily rain	50.5 mm (2.0 in)	29.2 mm (1.1 in)	44 years	38 of 100 (Notable)
18 July 1951	Debrecen Airport, HU	daily rain	35.0 mm (1.4 in)	17.8 mm (0.7 in)	36 years	37 of 100 (Notable)
18 July 1951	Nellore, IN	daily rain	73.2 mm (2.9 in)	26.0 mm (1.0 in)	24 years	36 of 100 (Notable)
18 July 1951	Shrigonda, IN	daily rain	42.9 mm (1.7 in)	30.2 mm (1.2 in)	4 years	36 of 100 (Notable)
18 July 1951	Ranfurly, CA	daily rain	37.1 mm (1.5 in)	18.0 mm (0.7 in)	34 years	35 of 100 (Notable)
18 July 1951	Chauradano, IN	daily rain	145.3 mm (5.7 in)	67.6 mm (2.7 in)	32 years	35 of 100 (Notable)
18 July 1951	Chandragiri, IN	daily rain	73.9 mm (2.9 in)	27.7 mm (1.1 in)	29 years	34 of 100 (Routine)
18 July 1951	Tadepalligudem, IN	daily rain	78.7 mm (3.1 in)	42.9 mm (1.7 in)	8 years	34 of 100 (Routine)
18 July 1951	Augathella Post Office, AU	daily rain	30.2 mm (1.2 in)	14.2 mm (0.6 in)	54 years	33 of 100 (Routine)
18 July 1951	Markapur, IN	daily rain	33.5 mm (1.3 in)	19.0 mm (0.7 in)	22 years	32 of 100 (Routine)
18 July 1951	Settle, US	daily rain	58.4 mm (2.3 in)	20.3 mm (0.8 in)	49 years	32 of 100 (Routine)
18 July 1951	Bramfield Post Office, AU	daily rain	26.7 mm (1.1 in)	8.7 mm (0.34 in)	34 years	31 of 100 (Routine)
18 July 1951	Mount McIntyre, AU	daily rain	36.6 mm (1.4 in)	16.3 mm (0.6 in)	13 years	31 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 1951

Records set or tied on this calendar date in each year from 1793 to 1951. 1951 had 307 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 1951-07-18: 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	206
20 to 40	17
40 to 60	5
60 to 80	1
80 to 100	1