Weather Records on 18 July 1937

334 weather records were set or tied worldwide on 18 July 1937. Highest significance: Modasa, IN.

Key Facts for 18 July 1937

On 18 July 1937, 334 weather records were set or tied at long-record stations worldwide.
55 were record highs and 70 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 0 monthly and 333 daily.
Modasa set an all-time record daily precipitation of 387.4 mm (15.3 in) on 18 July 1937.
Across 156 earlier years (1793 to 2026) the same calendar date averaged 463 records.

Record Map

334 stations

334 station records on 18 July 1937 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 July 1937: highest significance records shown on the map
Station	Country	Type	Value	Significance
Modasa	India	Record daily precipitation	387.4 mm (15.3 in)	57 of 100 (Notable)
Kapadvanj	India	Record daily precipitation	191.5 mm (7.5 in)	53 of 100 (Notable)
Himatnagar	India	Record daily precipitation	215.9 mm (8.5 in)	50 of 100 (Notable)
Kozhikode	India	Record daily precipitation	253.5 mm (10.0 in)	50 of 100 (Notable)
Tada	India	Record daily precipitation	80.0 mm (3.1 in)	46 of 100 (Notable)
Todgarh	India	Record daily precipitation	105.4 mm (4.1 in)	46 of 100 (Notable)
Visby_Flygplats	Sweden	Record daily precipitation	38.7 mm (1.5 in)	45 of 100 (Notable)
Mexico	United States	Record daily precipitation	52.1 mm (2.1 in)	40 of 100 (Notable)
Parasala	India	Record daily precipitation	65.3 mm (2.6 in)	37 of 100 (Notable)
Tiruvangadi	India	Record daily precipitation	185.7 mm (7.3 in)	35 of 100 (Notable)
Maragle Station	Australia	Record daily precipitation	29.2 mm (1.1 in)	33 of 100 (Routine)
Merino	Australia	Record daily precipitation	30.7 mm (1.2 in)	33 of 100 (Routine)
Sagunbari	India	Record daily precipitation	75.2 mm (3.0 in)	32 of 100 (Routine)
Balasinor	India	Record daily precipitation	112.0 mm (4.4 in)	32 of 100 (Routine)
Ponneri	India	Record daily precipitation	41.1 mm (1.6 in)	32 of 100 (Routine)
Franklin	United States	Record daily precipitation	41.9 mm (1.6 in)	32 of 100 (Routine)
Parksville	United States	Record daily precipitation	38.6 mm (1.5 in)	32 of 100 (Routine)
Quilandi	India	Record daily precipitation	171.2 mm (6.7 in)	29 of 100 (Routine)
Vanur	India	Record daily precipitation	53.3 mm (2.1 in)	29 of 100 (Routine)
Stockholm	Sweden	Record daily precipitation	42.3 mm (1.7 in)	29 of 100 (Routine)
Cressy Post Office	Australia	Record daily precipitation	31.8 mm (1.3 in)	28 of 100 (Routine)
Sathenapalli	India	Record daily precipitation	46.0 mm (1.8 in)	28 of 100 (Routine)
Kuturi	India	Record daily precipitation	89.2 mm (3.5 in)	28 of 100 (Routine)
Jaisalmer	India	Record daily precipitation	34.3 mm (1.4 in)	28 of 100 (Routine)
Hoburg	Sweden	Record daily precipitation	27.8 mm (1.1 in)	28 of 100 (Routine)
Jalore	India	Record daily precipitation	43.2 mm (1.7 in)	27 of 100 (Routine)
Mayaguez City	Puerto Rico [United States]	Record low maximum temperature	28.9 C (84.0 F)	27 of 100 (Routine)
Frankford (Rossville)	Australia	Record daily precipitation	25.1 mm (1.0 in)	26 of 100 (Routine)
Fort Chipewyan	Canada	Record high minimum temperature	21.1 C (70.0 F)	26 of 100 (Routine)
Ajmer	India	Record daily precipitation	59.9 mm (2.4 in)	26 of 100 (Routine)
Goodwater	United States	Record daily precipitation	49.8 mm (2.0 in)	26 of 100 (Routine)
Vagra	India	Record daily precipitation	90.4 mm (3.6 in)	24 of 100 (Routine)
Sirohi	India	Record daily precipitation	84.6 mm (3.3 in)	24 of 100 (Routine)
Hot Springs	United States	Record low maximum temperature	20.6 C (69.1 F)	23 of 100 (Routine)
Tharad	India	Record daily precipitation	103.1 mm (4.1 in)	22 of 100 (Routine)
Broach	India	Record daily precipitation	57.4 mm (2.3 in)	22 of 100 (Routine)
Mahudha	India	Record daily precipitation	86.1 mm (3.4 in)	22 of 100 (Routine)
Superior	United States	Record daily precipitation	25.4 mm (1.0 in)	22 of 100 (Routine)
Hayward Rs	United States	Record low maximum temperature	16.7 C (62.1 F)	22 of 100 (Routine)
Harrietville	Australia	Record daily precipitation	48.3 mm (1.9 in)	21 of 100 (Routine)
Ferozepur(Jhirka)	India	Record daily precipitation	49.5 mm (1.9 in)	21 of 100 (Routine)
Durham	United Kingdom	Record high minimum temperature	15.0 C (59.0 F)	21 of 100 (Routine)
Tashkent	Uzbekistan	Record high maximum temperature	41.4 C (106.5 F)	21 of 100 (Routine)
St Georges	Canada	Record daily precipitation	14.5 mm (0.6 in)	20 of 100 (Routine)
Scotsburn (Mount Boninyong)	Australia	Record daily precipitation	14.0 mm (0.6 in)	20 of 100 (Routine)
Macedon Forestry	Australia	Record daily precipitation	14.5 mm (0.6 in)	20 of 100 (Routine)
Landsort	Sweden	Record daily precipitation	24.3 mm (1.0 in)	20 of 100 (Routine)
Woolsthorpe	Australia	Record daily precipitation	19.3 mm (0.8 in)	20 of 100 (Routine)
Macarthur (Glenhuntly)	Australia	Record daily precipitation	24.1 mm (0.9 in)	20 of 100 (Routine)
Princeton	Canada	Record daily precipitation	18.0 mm (0.7 in)	20 of 100 (Routine)
Wickliffe	Australia	Record daily precipitation	8.4 mm (0.33 in)	20 of 100 (Routine)
Lake Leake (Kooeeyong)	Australia	Record daily precipitation	19.3 mm (0.8 in)	20 of 100 (Routine)
Glenwood Spgs #2	United States	Record daily precipitation	13.2 mm (0.5 in)	20 of 100 (Routine)
Hawkesdale (Post Office)	Australia	Record daily precipitation	23.9 mm (0.9 in)	20 of 100 (Routine)
Mount McIntyre	Australia	Record daily precipitation	20.3 mm (0.8 in)	20 of 100 (Routine)
Moutajup	Australia	Record daily precipitation	14.0 mm (0.6 in)	20 of 100 (Routine)
Golden A	Canada	Record daily precipitation	11.2 mm (0.4 in)	20 of 100 (Routine)
Nariel Creek (Simpson)	Australia	Record daily precipitation	31.0 mm (1.2 in)	20 of 100 (Routine)
Hamilton	Australia	Record daily precipitation	17.8 mm (0.7 in)	20 of 100 (Routine)
St Patricks River (Targa Farm)	Australia	Record daily precipitation	63.5 mm (2.5 in)	20 of 100 (Routine)

Counts by Type and Timescale

334 records

Records set or tied on 18 July 1937 by type: Highest daily maximum 21, Lowest daily maximum 46, Highest daily minimum 34, Lowest daily minimum 24, Heaviest daily rainfall 209.

Records on 18 July 1937 by type
Record type	Records
Highest daily maximum	21
Lowest daily maximum	46
Highest daily minimum	34
Lowest daily minimum	24
Heaviest daily rainfall	209
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 18 July 1937 by timescale: all-time 1, monthly 0, daily 333.

How Much Records Were Beaten By

271 broken records

Margins by which the 271 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 180.3. Ties are not counted.

Top 20 by Significance

18 July 1937

Top 20 records on 18 July 1937 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 July 1937	Modasa, IN	all-time rain	387.4 mm (15.3 in)	84.6 mm (3.3 in)	17 years	57 of 100 (Notable)
18 July 1937	Kapadvanj, IN	daily rain	191.5 mm (7.5 in)	129.3 mm (5.1 in)	34 years	53 of 100 (Notable)
18 July 1937	Himatnagar, IN	daily rain	215.9 mm (8.5 in)	180.3 mm (7.1 in)	24 years	50 of 100 (Notable)
18 July 1937	Kozhikode, IN	daily rain	253.5 mm (10.0 in)	149.6 mm (5.9 in)	26 years	50 of 100 (Notable)
18 July 1937	Tada, IN	daily rain	80.0 mm (3.1 in)	66.5 mm (2.6 in)	10 years	46 of 100 (Notable)
18 July 1937	Todgarh, IN	daily rain	105.4 mm (4.1 in)	78.7 mm (3.1 in)	12 years	46 of 100 (Notable)
18 July 1937	Visby_Flygplats, SE	daily rain	38.7 mm (1.5 in)	21.2 mm (0.8 in)	47 years	45 of 100 (Notable)
18 July 1937	Mexico, US	daily rain	52.1 mm (2.1 in)	35.1 mm (1.4 in)	40 years	40 of 100 (Notable)
18 July 1937	Parasala, IN	daily rain	65.3 mm (2.6 in)	41.9 mm (1.6 in)	12 years	37 of 100 (Notable)
18 July 1937	Tiruvangadi, IN	daily rain	185.7 mm (7.3 in)	87.7 mm (3.5 in)	12 years	35 of 100 (Notable)
18 July 1937	Maragle Station, AU	daily rain	29.2 mm (1.1 in)	15.7 mm (0.6 in)	20 years	33 of 100 (Routine)
18 July 1937	Merino, AU	daily rain	30.7 mm (1.2 in)	12.4 mm (0.5 in)	26 years	33 of 100 (Routine)
18 July 1937	Sagunbari, IN	daily rain	75.2 mm (3.0 in)	38.4 mm (1.5 in)	26 years	32 of 100 (Routine)
18 July 1937	Balasinor, IN	daily rain	112.0 mm (4.4 in)	70.1 mm (2.8 in)	28 years	32 of 100 (Routine)
18 July 1937	Ponneri, IN	daily rain	41.1 mm (1.6 in)	31.4 mm (1.2 in)	6 years	32 of 100 (Routine)
18 July 1937	Franklin, US	daily rain	41.9 mm (1.6 in)	18.5 mm (0.7 in)	45 years	32 of 100 (Routine)
18 July 1937	Parksville, US	daily rain	38.6 mm (1.5 in)	21.6 mm (0.9 in)	42 years	32 of 100 (Routine)
18 July 1937	Quilandi, IN	daily rain	171.2 mm (6.7 in)	62.0 mm (2.4 in)	26 years	29 of 100 (Routine)
18 July 1937	Vanur, IN	daily rain	53.3 mm (2.1 in)	32.2 mm (1.3 in)	22 years	29 of 100 (Routine)
18 July 1937	Stockholm, SE	daily rain	42.3 mm (1.7 in)	4.1 mm (0.16 in)	59 years	29 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 1937

Records set or tied on this calendar date in each year from 1793 to 1937. 1937 had 334 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 1937-07-18: 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 25	239
25 to 50	20
50 to 75	6
75 to 100	3
100 to 125	0
125 to 150	2
150 to 175	0
175 to 200	1