Weather Records on 20 July 1938

392 weather records were set or tied worldwide on 20 July 1938. Highest significance: Bowling Green Warren Co AP, US.

Key Facts for 20 July 1938

On 20 July 1938, 392 weather records were set or tied at long-record stations worldwide.
106 were record highs and 45 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 8 monthly and 382 daily.
Bowling Green Warren Co AP set a daily record precipitation of 81.3 mm (3.2 in) on 20 July 1938.
Across 161 earlier years (1809 to 2026) the same calendar date averaged 460 records.

Record Map

392 stations

392 station records on 20 July 1938 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 July 1938: highest significance records shown on the map
Station	Country	Type	Value	Significance
Bowling Green Warren Co AP	United States	Record daily precipitation	81.3 mm (3.2 in)	55 of 100 (Notable)
Bisbee	United States	Record daily precipitation	71.4 mm (2.8 in)	51 of 100 (Notable)
Mahoba	India	Record daily precipitation	137.7 mm (5.4 in)	49 of 100 (Notable)
Princeton	United States	Record daily precipitation	100.6 mm (4.0 in)	46 of 100 (Notable)
Decatur 1 N	United States	Record daily precipitation	74.9 mm (2.9 in)	46 of 100 (Notable)
Marion 1 N	United States	Record daily precipitation	79.2 mm (3.1 in)	43 of 100 (Notable)
Sterling	United States	Record daily precipitation	65.8 mm (2.6 in)	42 of 100 (Notable)
Atlantic City Marina	United States	Record daily precipitation	77.2 mm (3.0 in)	41 of 100 (Notable)
Agricultural College	United States	Record daily precipitation	31.8 mm (1.3 in)	39 of 100 (Notable)
Firozabad	India	Record daily precipitation	120.7 mm (4.8 in)	34 of 100 (Routine)
Blue Hill Coop	United States	Record daily precipitation	41.7 mm (1.6 in)	34 of 100 (Routine)
Jefferson	United States	Record daily precipitation	53.8 mm (2.1 in)	33 of 100 (Routine)
Anderson	United States	Record daily precipitation	58.9 mm (2.3 in)	33 of 100 (Routine)
Selma	United States	Record daily precipitation	55.1 mm (2.2 in)	32 of 100 (Routine)
Brockton	United States	Record daily precipitation	39.4 mm (1.6 in)	32 of 100 (Routine)
Buckhannon	United States	Record daily precipitation	66.0 mm (2.6 in)	32 of 100 (Routine)
Philadelphia City	United States	Record daily precipitation	58.9 mm (2.3 in)	31 of 100 (Routine)
Dover	United States	Record daily precipitation	57.4 mm (2.3 in)	30 of 100 (Routine)
Prospect 2 SW	United States	Record high maximum temperature	40.6 C (105.1 F)	30 of 100 (Routine)
Strawberry North	Australia	Record daily precipitation	25.9 mm (1.0 in)	29 of 100 (Routine)
Cambray	United States	Record daily precipitation	27.9 mm (1.1 in)	29 of 100 (Routine)
Waco	United States	Record low maximum temperature	25.6 C (78.1 F)	29 of 100 (Routine)
Biddelia	Australia	Record daily precipitation	50.8 mm (2.0 in)	28 of 100 (Routine)
Inskip Inn	United States	Record high maximum temperature	39.4 C (102.9 F)	28 of 100 (Routine)
Gumri	Armenia	Record low minimum temperature	5.9 C (42.6 F)	27 of 100 (Routine)
Nyngan (Merryanbone)	Australia	Record daily precipitation	32.0 mm (1.3 in)	27 of 100 (Routine)
Orai	India	Record daily precipitation	107.7 mm (4.2 in)	27 of 100 (Routine)
Darlington	United States	Record daily precipitation	68.6 mm (2.7 in)	27 of 100 (Routine)
Edinburg	United States	Record daily precipitation	54.6 mm (2.1 in)	27 of 100 (Routine)
Rocky Mt	United States	Record daily precipitation	50.8 mm (2.0 in)	27 of 100 (Routine)
Jackson 4 NW	United States	Record daily precipitation	74.2 mm (2.9 in)	27 of 100 (Routine)
St Joseph	United States	Record daily precipitation	26.7 mm (1.1 in)	26 of 100 (Routine)
Newport 1 NW	United States	Record daily precipitation	58.4 mm (2.3 in)	26 of 100 (Routine)
Philippi	United States	Record daily precipitation	33.5 mm (1.3 in)	26 of 100 (Routine)
Port Lincoln (Big Swamp)	Australia	Record daily precipitation	32.5 mm (1.3 in)	25 of 100 (Routine)
Pointe Au Pere	Canada	Record high minimum temperature	15.0 C (59.0 F)	25 of 100 (Routine)
Benson	United States	Record daily precipitation	29.5 mm (1.2 in)	25 of 100 (Routine)
Settle	United States	Record daily precipitation	33.5 mm (1.3 in)	25 of 100 (Routine)
Balasore	India	Record daily precipitation	77.0 mm (3.0 in)	24 of 100 (Routine)
Socorro	United States	Record daily precipitation	34.0 mm (1.3 in)	24 of 100 (Routine)
Cascade Locks	United States	Record high maximum temperature	39.4 C (102.9 F)	24 of 100 (Routine)
Hamburg	United States	Record daily precipitation	61.0 mm (2.4 in)	24 of 100 (Routine)
Menard	United States	Record daily precipitation	51.3 mm (2.0 in)	24 of 100 (Routine)
Albany 1 N	United States	Record high minimum temperature	16.7 C (62.1 F)	23 of 100 (Routine)
Forest Grove	United States	Record high maximum temperature	41.1 C (106.0 F)	23 of 100 (Routine)
La Ctr	United States	Record high maximum temperature	40.6 C (105.1 F)	23 of 100 (Routine)
Athens	United States	Record low maximum temperature	24.4 C (75.9 F)	22 of 100 (Routine)
Greensburg	United States	Record daily precipitation	30.0 mm (1.2 in)	22 of 100 (Routine)
Roebling	United States	Record daily precipitation	51.3 mm (2.0 in)	22 of 100 (Routine)
Charlotteburg Rsvr	United States	Record daily precipitation	53.3 mm (2.1 in)	22 of 100 (Routine)
Coleman	United States	Record low maximum temperature	25.0 C (77.0 F)	22 of 100 (Routine)
Kualapuu 534	United States	Record daily precipitation	33.8 mm (1.3 in)	22 of 100 (Routine)
Setif	Algeria	Record low maximum temperature	20.0 C (68.0 F)	21 of 100 (Routine)
Mahespur	India	Record daily precipitation	65.3 mm (2.6 in)	21 of 100 (Routine)
Enterprise	United States	Record daily precipitation	50.8 mm (2.0 in)	21 of 100 (Routine)
Vicksburg	United States	Record daily precipitation	88.4 mm (3.5 in)	21 of 100 (Routine)
Hendersonville 1 NE	United States	Record daily precipitation	55.9 mm (2.2 in)	21 of 100 (Routine)
Eugene	United States	Record high maximum temperature	37.8 C (100.0 F)	21 of 100 (Routine)
Ballinger 2 NW	United States	Record low maximum temperature	27.2 C (81.0 F)	21 of 100 (Routine)
Brewon	Australia	Record daily precipitation	19.6 mm (0.8 in)	20 of 100 (Routine)

Counts by Type and Timescale

392 records

Records set or tied on 20 July 1938 by type: Highest daily maximum 51, Lowest daily maximum 33, Highest daily minimum 55, Lowest daily minimum 12, Heaviest daily rainfall 241.

Records on 20 July 1938 by type
Record type	Records
Highest daily maximum	51
Lowest daily maximum	33
Highest daily minimum	55
Lowest daily minimum	12
Heaviest daily rainfall	241
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 20 July 1938 by timescale: all-time 2, monthly 8, daily 382.

How Much Records Were Beaten By

325 broken records

Margins by which the 325 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 88.2. Ties are not counted.

Top 20 by Significance

20 July 1938

Top 20 records on 20 July 1938 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 July 1938	Bowling Green Warren Co AP, US	daily rain	81.3 mm (3.2 in)	64.3 mm (2.5 in)	37 years	55 of 100 (Notable)
20 July 1938	Bisbee, US	daily rain	71.4 mm (2.8 in)	39.4 mm (1.6 in)	31 years	51 of 100 (Notable)
20 July 1938	Mahoba, IN	daily rain	137.7 mm (5.4 in)	78.5 mm (3.1 in)	33 years	49 of 100 (Notable)
20 July 1938	Princeton, US	daily rain	100.6 mm (4.0 in)	88.2 mm (3.5 in)	9 years	46 of 100 (Notable)
20 July 1938	Decatur 1 N, US	daily rain	74.9 mm (2.9 in)	47.0 mm (1.9 in)	16 years	46 of 100 (Notable)
20 July 1938	Marion 1 N, US	daily rain	79.2 mm (3.1 in)	61.4 mm (2.4 in)	8 years	43 of 100 (Notable)
20 July 1938	Sterling, US	daily rain	65.8 mm (2.6 in)	48.0 mm (1.9 in)	9 years	42 of 100 (Notable)
20 July 1938	Atlantic City Marina, US	daily rain	77.2 mm (3.0 in)	22.8 mm (0.9 in)	60 years	41 of 100 (Notable)
20 July 1938	Agricultural College, US	daily rain	31.8 mm (1.3 in)	19.9 mm (0.8 in)	15 years	39 of 100 (Notable)
20 July 1938	Firozabad, IN	daily rain	120.7 mm (4.8 in)	45.5 mm (1.8 in)	28 years	34 of 100 (Routine)
20 July 1938	Blue Hill Coop, US	daily rain	41.7 mm (1.6 in)	18.8 mm (0.7 in)	48 years	34 of 100 (Routine)
20 July 1938	Jefferson, US	daily rain	53.8 mm (2.1 in)	41.1 mm (1.6 in)	9 years	33 of 100 (Routine)
20 July 1938	Anderson, US	daily rain	58.9 mm (2.3 in)	31.0 mm (1.2 in)	20 years	33 of 100 (Routine)
20 July 1938	Selma, US	daily rain	55.1 mm (2.2 in)	31.2 mm (1.2 in)	21 years	32 of 100 (Routine)
20 July 1938	Brockton, US	daily rain	39.4 mm (1.6 in)	30.5 mm (1.2 in)	3 years	32 of 100 (Routine)
20 July 1938	Buckhannon, US	daily rain	66.0 mm (2.6 in)	33.0 mm (1.3 in)	7 years	32 of 100 (Routine)
20 July 1938	Philadelphia City, US	daily rain	58.9 mm (2.3 in)	9.9 mm (0.39 in)	57 years	31 of 100 (Routine)
20 July 1938	Dover, US	daily rain	57.4 mm (2.3 in)	29.2 mm (1.1 in)	35 years	30 of 100 (Routine)
20 July 1938	Prospect 2 SW, US	all-time high max	40.6 C (105.1 F)	0.6 C (1.1 F)	20 years	30 of 100 (Routine)
20 July 1938	Strawberry North, AU	daily rain	25.9 mm (1.0 in)	14.2 mm (0.6 in)	28 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

1809 to 1938

Records set or tied on this calendar date in each year from 1809 to 1938. 1938 had 392 records.

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

Records on 07-20 in each year
Year	Records
1809	1
1810	1
1811	2
1832	2
1844	2
1850	1
1859	2
1863	1
1865	4
1866	1
1867	1
1868	1
1870	1
1872	1
1874	2
1876	1
1877	2
1879	3
1880	1
1881	2
1882	1
1883	2
1885	1
1886	2
1887	1
1888	1
1889	2
1890	5
1892	7
1893	1
1894	1
1895	1
1897	4
1898	2
1899	4
1900	9
1901	3
1902	13
1903	6
1904	10
1905	6
1906	8
1907	12
1908	31
1909	6
1910	27
1911	12
1912	33
1913	28
1914	20
1915	163
1916	117
1917	57
1918	53
1919	40
1920	16
1921	55
1922	52
1923	173
1924	112
1925	125
1926	411
1927	106
1928	366
1929	480
1930	598
1931	362
1932	338
1933	201
1934	857
1935	386
1936	358
1937	213
1938	392
1939	336
1940	325
1941	270
1942	609
1943	326
1944	470
1945	278
1946	482
1947	635
1948	385
1949	807
1950	563
1951	448
1952	488
1953	316
1954	512
1955	377
1956	545
1957	351
1958	536
1959	605
1960	758
1961	338
1962	327
1963	457
1964	416
1965	1,110
1966	469
1967	455
1968	389
1969	649
1970	890
1971	619
1972	1,062
1973	804
1974	489
1975	470
1976	580
1977	899
1978	663
1979	1,249
1980	925
1981	1,048
1982	580
1983	1,117
1984	799
1985	604
1986	848
1987	1,156
1988	1,103
1989	1,183
1990	724
1991	1,024
1992	1,137
1993	901
1994	611
1995	961
1996	1,365
1997	903
1998	1,682
1999	815
2000	1,393
2001	755
2002	986
2003	1,313
2004	978
2005	1,266
2006	1,487
2007	1,124
2008	663
2009	1,533
2010	1,154
2011	1,339
2012	817
2013	850
2014	1,000
2015	812
2016	744
2017	398
2018	930
2019	867
2020	524
2021	683
2022	1,108
2023	812
2024	737
2025	680
2026	863

Download the Data

Data for records on 1938-07-20: 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	299
20 to 40	17
40 to 60	5
60 to 80	3
80 to 100	1