Weather Records on 18 June 1938

391 weather records were set or tied worldwide on 18 June 1938. Highest significance: Bethlehem Lehigh UNIV, US.

Key Facts for 18 June 1938

On 18 June 1938, 391 weather records were set or tied at long-record stations worldwide.
29 were record highs and 116 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 7 monthly and 384 daily.
Bethlehem Lehigh UNIV set a monthly record daily precipitation of 99.8 mm (3.9 in) on 18 June 1938.
Across 162 earlier years (1800 to 2026) the same calendar date averaged 436 records.

Record Map

391 stations

391 station records on 18 June 1938 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 June 1938: highest significance records shown on the map
Station	Country	Type	Value	Significance
Bethlehem Lehigh UNIV	United States	Record daily precipitation	99.8 mm (3.9 in)	65 of 100 (Major)
Sitka Magnetic Obsy	United States	Record daily precipitation	37.3 mm (1.5 in)	52 of 100 (Notable)
Zastron (Tnk)	South Africa	Record daily precipitation	46.5 mm (1.8 in)	51 of 100 (Notable)
Rapelje	United States	Record daily precipitation	39.6 mm (1.6 in)	48 of 100 (Notable)
Blikana	South Africa	Record daily precipitation	38.9 mm (1.5 in)	47 of 100 (Notable)
Ritzville 1 SSE	United States	Record daily precipitation	35.6 mm (1.4 in)	47 of 100 (Notable)
Camden 3 W	United States	Record daily precipitation	66.0 mm (2.6 in)	46 of 100 (Notable)
Reddersburg (Pol)	South Africa	Record daily precipitation	39.9 mm (1.6 in)	45 of 100 (Notable)
Wahluke	United States	Record daily precipitation	34.3 mm (1.4 in)	45 of 100 (Notable)
Sonamarg &	India	Record daily precipitation	52.1 mm (2.1 in)	44 of 100 (Notable)
Athens	United States	Record daily precipitation	52.8 mm (2.1 in)	44 of 100 (Notable)
Biloxi	United States	Record daily precipitation	85.9 mm (3.4 in)	44 of 100 (Notable)
Yarrie	Australia	Record daily precipitation	30.5 mm (1.2 in)	43 of 100 (Notable)
Odessa	United States	Record daily precipitation	29.5 mm (1.2 in)	43 of 100 (Notable)
Garotha	India	Record daily precipitation	54.4 mm (2.1 in)	40 of 100 (Notable)
De Grey	Australia	Record daily precipitation	49.5 mm (1.9 in)	38 of 100 (Notable)
Gudur(Guduru)	India	Record daily precipitation	42.2 mm (1.7 in)	34 of 100 (Routine)
Smithfield (Mun)	South Africa	Record daily precipitation	35.1 mm (1.4 in)	33 of 100 (Routine)
Kulgam	India	Record daily precipitation	44.5 mm (1.8 in)	32 of 100 (Routine)
Bonney Downs	Australia	Record daily precipitation	31.0 mm (1.2 in)	31 of 100 (Routine)
Bamboo Springs	Australia	Record daily precipitation	32.3 mm (1.3 in)	30 of 100 (Routine)
Karwi	India	Record daily precipitation	56.9 mm (2.2 in)	30 of 100 (Routine)
Port Hedland Post Office	Australia	Record daily precipitation	49.5 mm (1.9 in)	29 of 100 (Routine)
Hoshiarpur	India	Record daily precipitation	35.3 mm (1.4 in)	29 of 100 (Routine)
Lisbon	United States	Record daily precipitation	53.8 mm (2.1 in)	29 of 100 (Routine)
Mott	United States	Record daily precipitation	44.7 mm (1.8 in)	29 of 100 (Routine)
Lake Charles Chenault	United States	Record low maximum temperature	26.7 C (80.1 F)	29 of 100 (Routine)
Boodarie	Australia	Record daily precipitation	36.1 mm (1.4 in)	28 of 100 (Routine)
Marble Bar Comparison	Australia	Record daily precipitation	30.5 mm (1.2 in)	28 of 100 (Routine)
Strelley	Australia	Record daily precipitation	47.2 mm (1.9 in)	27 of 100 (Routine)
Dewetsdorp (Pol)	South Africa	Record daily precipitation	26.7 mm (1.1 in)	27 of 100 (Routine)
Mount Edgar	Australia	Record daily precipitation	38.6 mm (1.5 in)	26 of 100 (Routine)
Katwa	India	Record daily precipitation	69.9 mm (2.8 in)	26 of 100 (Routine)
Ft Bidwell	United States	Record low maximum temperature	12.8 C (55.0 F)	26 of 100 (Routine)
Copper	United States	Record daily precipitation	25.9 mm (1.0 in)	26 of 100 (Routine)
Coongan Station	Australia	Record daily precipitation	36.6 mm (1.4 in)	25 of 100 (Routine)
Warralong	Australia	Record daily precipitation	39.9 mm (1.6 in)	25 of 100 (Routine)
Abydos Woodstock	Australia	Record daily precipitation	35.1 mm (1.4 in)	25 of 100 (Routine)
Srinagar	India	Record daily precipitation	27.9 mm (1.1 in)	25 of 100 (Routine)
Atmakur	India	Record daily precipitation	46.2 mm (1.8 in)	24 of 100 (Routine)
Soro	India	Record daily precipitation	95.3 mm (3.8 in)	24 of 100 (Routine)
Sandila	India	Record daily precipitation	50.0 mm (2.0 in)	24 of 100 (Routine)
Canton 4N	United States	Record daily precipitation	54.1 mm (2.1 in)	24 of 100 (Routine)
Ettrick	Australia	Record daily precipitation	34.0 mm (1.3 in)	23 of 100 (Routine)
Owen Sound	Canada	Record low maximum temperature	14.4 C (57.9 F)	23 of 100 (Routine)
Garhwa	India	Record daily precipitation	58.4 mm (2.3 in)	23 of 100 (Routine)
Lillydale	South Africa	Record daily precipitation	27.9 mm (1.1 in)	23 of 100 (Routine)
Big Timber	United States	Record daily precipitation	26.7 mm (1.1 in)	23 of 100 (Routine)
Chappells 2 NNW	United States	Record daily precipitation	65.5 mm (2.6 in)	23 of 100 (Routine)
Wiluna	Australia	Record daily precipitation	28.7 mm (1.1 in)	22 of 100 (Routine)
Quesnel	Canada	Record high minimum temperature	15.0 C (59.0 F)	22 of 100 (Routine)
Nagode	India	Record daily precipitation	48.3 mm (1.9 in)	21 of 100 (Routine)
Jagatsingpur	India	Record daily precipitation	59.2 mm (2.3 in)	21 of 100 (Routine)
Haldwani	India	Record daily precipitation	105.7 mm (4.2 in)	21 of 100 (Routine)
Camden 1	United States	Record low maximum temperature	27.2 C (81.0 F)	21 of 100 (Routine)
Richmond	United States	Record daily precipitation	31.8 mm (1.3 in)	21 of 100 (Routine)
Steynsburg	South Africa	Record daily precipitation	19.1 mm (0.8 in)	20 of 100 (Routine)
Lacrosse	United States	Record daily precipitation	16.8 mm (0.7 in)	20 of 100 (Routine)
Philippolis (Pol)	South Africa	Record daily precipitation	15.0 mm (0.6 in)	20 of 100 (Routine)
Mount Sir Samuel	Australia	Record daily precipitation	24.1 mm (0.9 in)	20 of 100 (Routine)

Counts by Type and Timescale

391 records

Records set or tied on 18 June 1938 by type: Highest daily maximum 6, Lowest daily maximum 82, Highest daily minimum 23, Lowest daily minimum 34, Heaviest daily rainfall 246.

Records on 18 June 1938 by type
Record type	Records
Highest daily maximum	6
Lowest daily maximum	82
Highest daily minimum	23
Lowest daily minimum	34
Heaviest daily rainfall	246
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 18 June 1938 by timescale: all-time 0, monthly 7, daily 384.

How Much Records Were Beaten By

337 broken records

Margins by which the 337 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 65.6. Ties are not counted.

Top 20 by Significance

18 June 1938

Top 20 records on 18 June 1938 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 June 1938	Bethlehem Lehigh UNIV, US	monthly rain	99.8 mm (3.9 in)	42.4 mm (1.7 in)	42 years	65 of 100 (Major)
18 June 1938	Sitka Magnetic Obsy, US	daily rain	37.3 mm (1.5 in)	26.1 mm (1.0 in)	28 years	52 of 100 (Notable)
18 June 1938	Zastron (Tnk), ZA	daily rain	46.5 mm (1.8 in)	41.4 mm (1.6 in)	23 years	51 of 100 (Notable)
18 June 1938	Rapelje, US	daily rain	39.6 mm (1.6 in)	31.7 mm (1.2 in)	16 years	48 of 100 (Notable)
18 June 1938	Blikana, ZA	daily rain	38.9 mm (1.5 in)	31.3 mm (1.2 in)	12 years	47 of 100 (Notable)
18 June 1938	Ritzville 1 SSE, US	daily rain	35.6 mm (1.4 in)	33.3 mm (1.3 in)	12 years	47 of 100 (Notable)
18 June 1938	Camden 3 W, US	daily rain	66.0 mm (2.6 in)	42.4 mm (1.7 in)	39 years	46 of 100 (Notable)
18 June 1938	Reddersburg (Pol), ZA	monthly rain	39.9 mm (1.6 in)	17.0 mm (0.7 in)	9 years	45 of 100 (Notable)
18 June 1938	Wahluke, US	daily rain	34.3 mm (1.4 in)	28.2 mm (1.1 in)	7 years	45 of 100 (Notable)
18 June 1938	Sonamarg &, IN	daily rain	52.1 mm (2.1 in)	23.7 mm (0.9 in)	20 years	44 of 100 (Notable)
18 June 1938	Athens, US	daily rain	52.8 mm (2.1 in)	28.9 mm (1.1 in)	43 years	44 of 100 (Notable)
18 June 1938	Biloxi, US	daily rain	85.9 mm (3.4 in)	65.6 mm (2.6 in)	43 years	44 of 100 (Notable)
18 June 1938	Yarrie, AU	daily rain	30.5 mm (1.2 in)	30.5 mm (1.2 in)	31 years	43 of 100 (Notable)
18 June 1938	Odessa, US	daily rain	29.5 mm (1.2 in)	27.5 mm (1.1 in)	0 years	43 of 100 (Notable)
18 June 1938	Garotha, IN	daily rain	54.4 mm (2.1 in)	47.8 mm (1.9 in)	23 years	40 of 100 (Notable)
18 June 1938	De Grey, AU	daily rain	49.5 mm (1.9 in)	49.5 mm (1.9 in)	43 years	38 of 100 (Notable)
18 June 1938	Gudur(Guduru), IN	daily rain	42.2 mm (1.7 in)	33.6 mm (1.3 in)	17 years	34 of 100 (Routine)
18 June 1938	Smithfield (Mun), ZA	daily rain	35.1 mm (1.4 in)	18.8 mm (0.7 in)	25 years	33 of 100 (Routine)
18 June 1938	Kulgam, IN	daily rain	44.5 mm (1.8 in)	28.5 mm (1.1 in)	16 years	32 of 100 (Routine)
18 June 1938	Bonney Downs, AU	daily rain	31.0 mm (1.2 in)	31.0 mm (1.2 in)	31 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

1800 to 1938

Records set or tied on this calendar date in each year from 1800 to 1938. 1938 had 391 records.

Counts for years before the ledger starts come from the same station rules.

Records on 06-18 in each year
Year	Records
1800	1
1801	1
1802	1
1803	1
1816	1
1821	1
1823	1
1839	1
1841	1
1848	1
1855	1
1858	2
1859	1
1862	2
1865	1
1869	1
1870	1
1875	2
1876	1
1879	1
1880	1
1881	2
1882	2
1883	1
1884	1
1886	1
1888	3
1889	1
1890	3
1892	3
1893	1
1894	2
1895	3
1896	4
1897	5
1899	3
1900	4
1901	10
1902	7
1903	13
1904	5
1905	32
1906	16
1907	21
1908	20
1909	39
1910	15
1911	14
1912	25
1913	29
1914	43
1915	62
1916	29
1917	55
1918	118
1919	65
1920	53
1921	44
1922	57
1923	144
1924	108
1925	246
1926	176
1927	287
1928	205
1929	297
1930	379
1931	267
1932	219
1933	499
1934	335
1935	494
1936	549
1937	301
1938	391
1939	674
1940	620
1941	273
1942	201
1943	173
1944	726
1945	784
1946	532
1947	391
1948	421
1949	734
1950	828
1951	237
1952	435
1953	730
1954	460
1955	721
1956	373
1957	672
1958	532
1959	573
1960	394
1961	979
1962	302
1963	305
1964	840
1965	589
1966	431
1967	308
1968	556
1969	598
1970	486
1971	456
1972	334
1973	861
1974	719
1975	821
1976	508
1977	768
1978	516
1979	581
1980	447
1981	895
1982	736
1983	1,080
1984	716
1985	921
1986	862
1987	925
1988	748
1989	697
1990	795
1991	944
1992	579
1993	834
1994	1,156
1995	1,224
1996	1,004
1997	894
1998	1,600
1999	1,258
2000	1,474
2001	589
2002	1,397
2003	853
2004	1,056
2005	1,014
2006	699
2007	898
2008	628
2009	920
2010	928
2011	952
2012	832
2013	847
2014	732
2015	978
2016	787
2017	839
2018	968
2019	425
2020	572
2021	1,874
2022	1,194
2023	574
2024	1,150
2025	583
2026	830

Download the Data

Data for records on 1938-06-18: 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 10	246
10 to 20	43
20 to 30	19
30 to 40	19
40 to 50	9
50 to 60	0
60 to 70	1