Weather Records on 18 July 1948

289 weather records were set or tied worldwide on 18 July 1948. Highest significance: Chita, RU.

Key Facts for 18 July 1948

On 18 July 1948, 289 weather records were set or tied at long-record stations worldwide.
55 were record highs and 61 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 5 monthly and 284 daily.
Chita set a daily record precipitation of 46.3 mm (1.8 in) on 18 July 1948.
Across 156 earlier years (1793 to 2026) the same calendar date averaged 463 records.

Record Map

289 stations

289 station records on 18 July 1948 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 July 1948: highest significance records shown on the map
Station	Country	Type	Value	Significance
Chita	Russia	Record daily precipitation	46.3 mm (1.8 in)	57 of 100 (Notable)
G. Udayagiri	India	Record daily precipitation	121.9 mm (4.8 in)	52 of 100 (Notable)
Onslow	Australia	Record daily precipitation	75.9 mm (3.0 in)	47 of 100 (Notable)
Bologna	Italy	Record low minimum temperature	12.8 C (55.0 F)	47 of 100 (Notable)
Khunti	India	Record daily precipitation	203.7 mm (8.0 in)	46 of 100 (Notable)
Ponce 4 E	Puerto Rico [United States]	Record low maximum temperature	28.3 C (82.9 F)	43 of 100 (Notable)
Winning	Australia	Record daily precipitation	25.4 mm (1.0 in)	38 of 100 (Notable)
Metten	Germany	Record daily precipitation	44.5 mm (1.8 in)	38 of 100 (Notable)
Syracuse 1NE	United States	Record daily precipitation	50.8 mm (2.0 in)	37 of 100 (Notable)
Wyloo	Australia	Record daily precipitation	43.2 mm (1.7 in)	36 of 100 (Notable)
Emerson	Canada	Record low minimum temperature	1.1 C (34.0 F)	35 of 100 (Notable)
Zhizdra	Russia	Record daily precipitation	33.0 mm (1.3 in)	35 of 100 (Notable)
Gauhati Obsy	India	Record daily precipitation	75.9 mm (3.0 in)	34 of 100 (Routine)
Yardie Creek	Australia	Record daily precipitation	28.4 mm (1.1 in)	33 of 100 (Routine)
Itabaianinha	Brazil	Record daily precipitation	37.9 mm (1.5 in)	33 of 100 (Routine)
Iola 1 W	United States	Record daily precipitation	66.0 mm (2.6 in)	33 of 100 (Routine)
Saluda	United States	Record high minimum temperature	27.8 C (82.0 F)	33 of 100 (Routine)
Beito	Norway	Record daily precipitation	31.4 mm (1.2 in)	30 of 100 (Routine)
Hugoton	United States	Record daily precipitation	44.2 mm (1.7 in)	30 of 100 (Routine)
Neosho Rapids	United States	Record daily precipitation	104.1 mm (4.1 in)	30 of 100 (Routine)
Shivpuri	India	Record daily precipitation	96.5 mm (3.8 in)	29 of 100 (Routine)
Yates Ctr	United States	Record daily precipitation	66.3 mm (2.6 in)	29 of 100 (Routine)
Mount Stuart	Australia	Record daily precipitation	61.2 mm (2.4 in)	28 of 100 (Routine)
Paulo Afonso	Brazil	Record daily precipitation	47.0 mm (1.9 in)	28 of 100 (Routine)
Ullawarra	Australia	Record daily precipitation	25.4 mm (1.0 in)	26 of 100 (Routine)
Augsburg (Sankt Stephan)	Germany	Record low maximum temperature	15.0 C (59.0 F)	26 of 100 (Routine)
Bikin	Russia	Record daily precipitation	44.0 mm (1.7 in)	26 of 100 (Routine)
Tucumcari 4 NE	United States	Record daily precipitation	34.8 mm (1.4 in)	26 of 100 (Routine)
Castlewood	United States	Record daily precipitation	31.5 mm (1.2 in)	26 of 100 (Routine)
Passau-Maierhof	Germany	Record daily precipitation	32.0 mm (1.3 in)	25 of 100 (Routine)
Nes Pa Hedmark	Norway	Record daily precipitation	25.6 mm (1.0 in)	25 of 100 (Routine)
Le Roy	United States	Record daily precipitation	58.4 mm (2.3 in)	25 of 100 (Routine)
Hamburg Fuhlsbuettel	Germany	Record low minimum temperature	7.7 C (45.9 F)	24 of 100 (Routine)
Oktjabrskij-Gorodok	Russia	Record daily precipitation	37.3 mm (1.5 in)	24 of 100 (Routine)
Oelrichs	United States	Record daily precipitation	26.7 mm (1.1 in)	24 of 100 (Routine)
Peak Hill	Australia	Record daily precipitation	25.4 mm (1.0 in)	23 of 100 (Routine)
Koratagere	India	Record daily precipitation	38.1 mm (1.5 in)	23 of 100 (Routine)
Vashon Island	United States	Record daily precipitation	25.4 mm (1.0 in)	23 of 100 (Routine)
Hvar	Croatia	Record low maximum temperature	23.0 C (73.4 F)	22 of 100 (Routine)
Kishangarh	India	Record daily precipitation	47.0 mm (1.9 in)	22 of 100 (Routine)
Walnut 4S	United States	Record daily precipitation	67.3 mm (2.6 in)	22 of 100 (Routine)
Grafton	United States	Record low minimum temperature	5.0 C (41.0 F)	22 of 100 (Routine)
Ashland	United States	Record high minimum temperature	26.1 C (79.0 F)	22 of 100 (Routine)
Regensburg	Germany	Record low minimum temperature	9.1 C (48.4 F)	21 of 100 (Routine)
Pudukkottai	India	Record daily precipitation	28.4 mm (1.1 in)	21 of 100 (Routine)
Kilanilai	India	Record daily precipitation	29.2 mm (1.1 in)	21 of 100 (Routine)
Raiganj	India	Record daily precipitation	54.6 mm (2.1 in)	21 of 100 (Routine)
Babuskin	Russia	Record daily precipitation	44.3 mm (1.7 in)	21 of 100 (Routine)
Winthrop 1 WSW	United States	Record daily precipitation	13.2 mm (0.5 in)	20 of 100 (Routine)
Nelson	Canada	Record daily precipitation	14.2 mm (0.6 in)	20 of 100 (Routine)
Lake Kachess	United States	Record daily precipitation	13.7 mm (0.5 in)	20 of 100 (Routine)
Bumping Lake	United States	Record daily precipitation	12.2 mm (0.5 in)	20 of 100 (Routine)
Esquimalt	Canada	Record daily precipitation	0.5 mm (0.02 in)	20 of 100 (Routine)
Ranken River	Australia	Record daily precipitation	13.5 mm (0.5 in)	20 of 100 (Routine)
Bidgemia	Australia	Record daily precipitation	20.8 mm (0.8 in)	20 of 100 (Routine)
Union	United States	Record daily precipitation	7.4 mm (0.29 in)	20 of 100 (Routine)
Keremeos	Canada	Record daily precipitation	7.1 mm (0.28 in)	20 of 100 (Routine)
Kamloops	Canada	Record daily precipitation	13.2 mm (0.5 in)	20 of 100 (Routine)
Dayton 1 WSW	United States	Record daily precipitation	17.0 mm (0.7 in)	20 of 100 (Routine)
Yandil	Australia	Record daily precipitation	18.8 mm (0.7 in)	20 of 100 (Routine)

Counts by Type and Timescale

289 records

Records set or tied on 18 July 1948 by type: Highest daily maximum 13, Lowest daily maximum 37, Highest daily minimum 42, Lowest daily minimum 24, Heaviest daily rainfall 172, Deepest snow cover 1.

Records on 18 July 1948 by type
Record type	Records
Highest daily maximum	13
Lowest daily maximum	37
Highest daily minimum	42
Lowest daily minimum	24
Heaviest daily rainfall	172
Heaviest daily snowfall	0
Deepest snow cover	1

Records on 18 July 1948 by timescale: all-time 0, monthly 5, daily 284.

How Much Records Were Beaten By

237 broken records

Margins by which the 237 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 550.0. Ties are not counted.

Top 20 by Significance

18 July 1948

Top 20 records on 18 July 1948 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 July 1948	Chita, RU	daily rain	46.3 mm (1.8 in)	31.3 mm (1.2 in)	48 years	57 of 100 (Notable)
18 July 1948	G. Udayagiri, IN	daily rain	121.9 mm (4.8 in)	81.3 mm (3.2 in)	32 years	52 of 100 (Notable)
18 July 1948	Onslow, AU	monthly rain	75.9 mm (3.0 in)	23.8 mm (0.9 in)	15 years	47 of 100 (Notable)
18 July 1948	Bologna, IT	daily low min	12.8 C (55.0 F)	2.2 C (4.0 F)	110 years	47 of 100 (Notable)
18 July 1948	Khunti, IN	monthly rain	203.7 mm (8.0 in)	51.3 mm (2.0 in)	30 years	46 of 100 (Notable)
18 July 1948	Ponce 4 E, PR	daily low max	28.3 C (82.9 F)	2.8 C (5.0 F)	46 years	43 of 100 (Notable)
18 July 1948	Winning, AU	daily rain	25.4 mm (1.0 in)	16.5 mm (0.6 in)	22 years	38 of 100 (Notable)
18 July 1948	Metten, DE	daily rain	44.5 mm (1.8 in)	16.8 mm (0.7 in)	43 years	38 of 100 (Notable)
18 July 1948	Syracuse 1NE, US	daily rain	50.8 mm (2.0 in)	38.9 mm (1.5 in)	9 years	37 of 100 (Notable)
18 July 1948	Wyloo, AU	daily rain	43.2 mm (1.7 in)	28.7 mm (1.1 in)	39 years	36 of 100 (Notable)
18 July 1948	Emerson, CA	monthly low min	1.1 C (34.0 F)	1.7 C (3.1 F)	49 years	35 of 100 (Notable)
18 July 1948	Zhizdra, RU	daily rain	33.0 mm (1.3 in)	18.5 mm (0.7 in)	15 years	35 of 100 (Notable)
18 July 1948	Gauhati Obsy, IN	daily rain	75.9 mm (3.0 in)	44.7 mm (1.8 in)	26 years	34 of 100 (Routine)
18 July 1948	Yardie Creek, AU	daily rain	28.4 mm (1.1 in)	22.0 mm (0.9 in)	31 years	33 of 100 (Routine)
18 July 1948	Itabaianinha, BR	daily rain	37.9 mm (1.5 in)	18.4 mm (0.7 in)	18 years	33 of 100 (Routine)
18 July 1948	Iola 1 W, US	daily rain	66.0 mm (2.6 in)	35.0 mm (1.4 in)	15 years	33 of 100 (Routine)
18 July 1948	Saluda, US	daily high min	27.8 C (82.0 F)	3.9 C (7.0 F)	40 years	33 of 100 (Routine)
18 July 1948	Beito, NO	daily rain	31.4 mm (1.2 in)	12.9 mm (0.5 in)	30 years	30 of 100 (Routine)
18 July 1948	Hugoton, US	daily rain	44.2 mm (1.7 in)	27.2 mm (1.1 in)	13 years	30 of 100 (Routine)
18 July 1948	Neosho Rapids, US	monthly rain	104.1 mm (4.1 in)	6.1 mm (0.24 in)	43 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 1948

Records set or tied on this calendar date in each year from 1793 to 1948. 1948 had 289 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 1948-07-18: 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 100	236
100 to 200	0
200 to 300	0
300 to 400	0
400 to 500	0
500 to 600	1