Weather Records on 18 July 1952

597 weather records were set or tied worldwide on 18 July 1952. Highest significance: Rockford, US.

Key Facts for 18 July 1952

On 18 July 1952, 597 weather records were set or tied at long-record stations worldwide.
197 were record highs and 84 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 6 monthly and 589 daily.
Rockford set an all-time record daily precipitation of 213.6 mm (8.4 in) on 18 July 1952.
Across 156 earlier years (1793 to 2026) the same calendar date averaged 461 records.

Record Map

597 stations

597 station records on 18 July 1952 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 July 1952: highest significance records shown on the map
Station	Country	Type	Value	Significance
Rockford	United States	Record daily precipitation	213.6 mm (8.4 in)	69 of 100 (Major)
Marengo	United States	Record daily precipitation	82.3 mm (3.2 in)	63 of 100 (Major)
Tower 2S	United States	Record daily precipitation	69.1 mm (2.7 in)	62 of 100 (Major)
Milwaukee Wb City	United States	Record daily precipitation	63.5 mm (2.5 in)	62 of 100 (Major)
Park Rapids Muni AP	United States	Record daily precipitation	85.3 mm (3.4 in)	60 of 100 (Major)
Muskegon Co AP	United States	Record daily precipitation	63.2 mm (2.5 in)	59 of 100 (Notable)
Clinton 2	United States	Record daily precipitation	77.5 mm (3.1 in)	55 of 100 (Notable)
Detroit Lakes 1 NNE	United States	Record daily precipitation	69.6 mm (2.7 in)	55 of 100 (Notable)
Mt Carroll	United States	Record daily precipitation	74.9 mm (2.9 in)	54 of 100 (Notable)
Hart 3 WSW	United States	Record daily precipitation	109.2 mm (4.3 in)	50 of 100 (Notable)
Waukesha Wwtp	United States	Record daily precipitation	129.3 mm (5.1 in)	50 of 100 (Notable)
Morrison	United States	Record daily precipitation	70.4 mm (2.8 in)	47 of 100 (Notable)
Khanpur	India	Record daily precipitation	152.4 mm (6.0 in)	46 of 100 (Notable)
Glen Innes Post Office	Australia	Record daily precipitation	30.2 mm (1.2 in)	45 of 100 (Notable)
Beloit	United States	Record daily precipitation	63.0 mm (2.5 in)	45 of 100 (Notable)
Racine Wwtp	United States	Record daily precipitation	72.9 mm (2.9 in)	44 of 100 (Notable)
Naalehu 14	United States	Record daily precipitation	58.7 mm (2.3 in)	44 of 100 (Notable)
Pine Rvr Dam	United States	Record daily precipitation	59.7 mm (2.4 in)	43 of 100 (Notable)
Sheboygan	United States	Record daily precipitation	64.0 mm (2.5 in)	43 of 100 (Notable)
Dhulia	India	Record daily precipitation	50.8 mm (2.0 in)	42 of 100 (Notable)
Freeport	United States	Record daily precipitation	76.5 mm (3.0 in)	42 of 100 (Notable)
Allegan 5NE	United States	Record daily precipitation	47.0 mm (1.9 in)	42 of 100 (Notable)
Grand Rapids Wb City	United States	Record daily precipitation	58.9 mm (2.3 in)	42 of 100 (Notable)
Port Washington	United States	Record daily precipitation	66.5 mm (2.6 in)	41 of 100 (Notable)
Rajkot	India	Record daily precipitation	154.4 mm (6.1 in)	40 of 100 (Notable)
Newaygo Hardy Dam	United States	Record daily precipitation	60.2 mm (2.4 in)	40 of 100 (Notable)
Pokegama Dam	United States	Record daily precipitation	46.7 mm (1.8 in)	40 of 100 (Notable)
Manitowoc	United States	Record daily precipitation	75.7 mm (3.0 in)	40 of 100 (Notable)
Fond du Lac Wwtp	United States	Record daily precipitation	93.2 mm (3.7 in)	39 of 100 (Notable)
Graman (Willowie)	Australia	Record daily precipitation	33.8 mm (1.3 in)	38 of 100 (Notable)
Glen Innes Gasworks	Australia	Record daily precipitation	35.6 mm (1.4 in)	38 of 100 (Notable)
Strathmore	Canada	Record daily precipitation	40.6 mm (1.6 in)	37 of 100 (Notable)
Chillicothe 2S	United States	Record daily precipitation	65.5 mm (2.6 in)	37 of 100 (Notable)
Brodhead Wwtp	United States	Record daily precipitation	36.3 mm (1.4 in)	37 of 100 (Notable)
Kiolakaa 7	United States	Record daily precipitation	48.3 mm (1.9 in)	37 of 100 (Notable)
Emmaville Post Office	Australia	Record daily precipitation	29.2 mm (1.1 in)	36 of 100 (Notable)
Lyndon	Canada	Record daily precipitation	55.6 mm (2.2 in)	36 of 100 (Notable)
Houghton Lake 6 WSW	United States	Record daily precipitation	53.3 mm (2.1 in)	36 of 100 (Notable)
Emmaville (Strathbogie)	Australia	Record daily precipitation	28.2 mm (1.1 in)	35 of 100 (Notable)
Muscatine 2	United States	Record daily precipitation	61.0 mm (2.4 in)	35 of 100 (Notable)
Ludington 4 SE	United States	Record daily precipitation	62.0 mm (2.4 in)	35 of 100 (Notable)
Jankia	India	Record daily precipitation	82.6 mm (3.3 in)	34 of 100 (Routine)
Le Claire	United States	Record daily precipitation	67.1 mm (2.6 in)	34 of 100 (Routine)
Dundee (Rangers Valley)	Australia	Record daily precipitation	30.0 mm (1.2 in)	33 of 100 (Routine)
Brockville	Canada	Record high minimum temperature	21.7 C (71.1 F)	33 of 100 (Routine)
Parry Sound	Canada	Record high minimum temperature	21.1 C (70.0 F)	33 of 100 (Routine)
Glen Innes Ag Research STN	Australia	Record daily precipitation	35.8 mm (1.4 in)	32 of 100 (Routine)
Belleville	Canada	Record high minimum temperature	22.2 C (72.0 F)	32 of 100 (Routine)
Broach	India	Record daily precipitation	122.2 mm (4.8 in)	32 of 100 (Routine)
Greenville 2 NNE	United States	Record daily precipitation	45.0 mm (1.8 in)	32 of 100 (Routine)
Glens Falls Fire STN	United States	Record high maximum temperature	36.1 C (97.0 F)	32 of 100 (Routine)
Anahuac	United States	Record daily precipitation	68.1 mm (2.7 in)	32 of 100 (Routine)
Gladwin	United States	Record daily precipitation	34.5 mm (1.4 in)	32 of 100 (Routine)
Welland	Canada	Record high minimum temperature	21.7 C (71.1 F)	31 of 100 (Routine)
Umerkhed	India	Record daily precipitation	85.3 mm (3.4 in)	31 of 100 (Routine)
Old Town	United States	Record high maximum temperature	37.2 C (99.0 F)	31 of 100 (Routine)
Noreena Downs	Australia	Record daily precipitation	27.9 mm (1.1 in)	30 of 100 (Routine)
Telhara	India	Record daily precipitation	75.9 mm (3.0 in)	30 of 100 (Routine)
Mangaon	India	Record daily precipitation	172.7 mm (6.8 in)	30 of 100 (Routine)
Karlshamn	Sweden	Record low maximum temperature	14.0 C (57.2 F)	30 of 100 (Routine)

Counts by Type and Timescale

597 records

Records set or tied on 18 July 1952 by type: Highest daily maximum 85, Lowest daily maximum 41, Highest daily minimum 112, Lowest daily minimum 43, Heaviest daily rainfall 316.

Records on 18 July 1952 by type
Record type	Records
Highest daily maximum	85
Lowest daily maximum	41
Highest daily minimum	112
Lowest daily minimum	43
Heaviest daily rainfall	316
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 18 July 1952 by timescale: all-time 2, monthly 6, daily 589.

How Much Records Were Beaten By

489 broken records

Margins by which the 489 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 102.1. Ties are not counted.

Top 20 by Significance

18 July 1952

Top 20 records on 18 July 1952 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 July 1952	Rockford, US	all-time rain	213.6 mm (8.4 in)	75.2 mm (3.0 in)	10 years	69 of 100 (Major)
18 July 1952	Marengo, US	daily rain	82.3 mm (3.2 in)	53.6 mm (2.1 in)	56 years	63 of 100 (Major)
18 July 1952	Tower 2S, US	daily rain	69.1 mm (2.7 in)	53.1 mm (2.1 in)	56 years	62 of 100 (Major)
18 July 1952	Milwaukee Wb City, US	daily rain	63.5 mm (2.5 in)	46.2 mm (1.8 in)	49 years	62 of 100 (Major)
18 July 1952	Park Rapids Muni AP, US	daily rain	85.3 mm (3.4 in)	67.0 mm (2.6 in)	48 years	60 of 100 (Major)
18 July 1952	Muskegon Co AP, US	daily rain	63.2 mm (2.5 in)	50.5 mm (2.0 in)	49 years	59 of 100 (Notable)
18 July 1952	Clinton 2, US	daily rain	77.5 mm (3.1 in)	59.5 mm (2.3 in)	39 years	55 of 100 (Notable)
18 July 1952	Detroit Lakes 1 NNE, US	daily rain	69.6 mm (2.7 in)	48.0 mm (1.9 in)	48 years	55 of 100 (Notable)
18 July 1952	Mt Carroll, US	daily rain	74.9 mm (2.9 in)	41.4 mm (1.6 in)	56 years	54 of 100 (Notable)
18 July 1952	Hart 3 WSW, US	monthly rain	109.2 mm (4.3 in)	25.4 mm (1.0 in)	39 years	50 of 100 (Notable)
18 July 1952	Waukesha Wwtp, US	all-time rain	129.3 mm (5.1 in)	26.4 mm (1.0 in)	12 years	50 of 100 (Notable)
18 July 1952	Morrison, US	daily rain	70.4 mm (2.8 in)	37.6 mm (1.5 in)	55 years	47 of 100 (Notable)
18 July 1952	Khanpur, IN	daily rain	152.4 mm (6.0 in)	99.1 mm (3.9 in)	38 years	46 of 100 (Notable)
18 July 1952	Glen Innes Post Office, AU	daily rain	30.2 mm (1.2 in)	22.3 mm (0.9 in)	53 years	45 of 100 (Notable)
18 July 1952	Beloit, US	daily rain	63.0 mm (2.5 in)	42.7 mm (1.7 in)	41 years	45 of 100 (Notable)
18 July 1952	Racine Wwtp, US	daily rain	72.9 mm (2.9 in)	45.5 mm (1.8 in)	11 years	44 of 100 (Notable)
18 July 1952	Naalehu 14, US	daily rain	58.7 mm (2.3 in)	35.6 mm (1.4 in)	8 years	44 of 100 (Notable)
18 July 1952	Pine Rvr Dam, US	daily rain	59.7 mm (2.4 in)	26.9 mm (1.1 in)	53 years	43 of 100 (Notable)
18 July 1952	Sheboygan, US	daily rain	64.0 mm (2.5 in)	35.6 mm (1.4 in)	21 years	43 of 100 (Notable)
18 July 1952	Dhulia, IN	daily rain	50.8 mm (2.0 in)	30.5 mm (1.2 in)	50 years	42 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 1952

Records set or tied on this calendar date in each year from 1793 to 1952. 1952 had 597 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 1952-07-18: 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	416
20 to 40	49
40 to 60	18
60 to 80	4
80 to 100	1
100 to 120	1