Weather Records on 1 July 1938

355 weather records were set or tied worldwide on 1 July 1938. Highest significance: Moanalua 770, US.

Key Facts for 1 July 1938

On 1 July 1938, 355 weather records were set or tied at long-record stations worldwide.
83 were record highs and 80 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 5 monthly and 349 daily.
Moanalua 770 set a daily record precipitation of 35.1 mm (1.4 in) on 1 July 1938.
Across 166 earlier years (1793 to 2026) the same calendar date averaged 430 records.

Record Map

355 stations

355 station records on 1 July 1938 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 1 July 1938: highest significance records shown on the map
Station	Country	Type	Value	Significance
Moanalua 770	United States	Record daily precipitation	35.1 mm (1.4 in)	48 of 100 (Notable)
Crosby	United States	Record daily precipitation	41.9 mm (1.6 in)	46 of 100 (Notable)
Waimanalo 794	United States	Record daily precipitation	27.7 mm (1.1 in)	45 of 100 (Notable)
Howe	United States	Record daily precipitation	58.7 mm (2.3 in)	44 of 100 (Notable)
St Joseph	United States	Record daily precipitation	42.7 mm (1.7 in)	44 of 100 (Notable)
Portage Wwtp	United States	Record daily precipitation	49.5 mm (1.9 in)	40 of 100 (Notable)
Salekhard	Russia	Record high minimum temperature	21.1 C (70.0 F)	37 of 100 (Notable)
Plymouth Pwr Substn	United States	Record daily precipitation	62.0 mm (2.4 in)	37 of 100 (Notable)
Chowghat	India	Record daily precipitation	184.4 mm (7.3 in)	36 of 100 (Notable)
Bancroft	United States	Record daily precipitation	58.4 mm (2.3 in)	35 of 100 (Notable)
Waukesha Wwtp	United States	Record daily precipitation	34.5 mm (1.4 in)	35 of 100 (Notable)
Angola	United States	Record daily precipitation	50.8 mm (2.0 in)	34 of 100 (Routine)
Watseka Public Works	United States	Record daily precipitation	37.1 mm (1.5 in)	32 of 100 (Routine)
Winona Lake	United States	Record daily precipitation	67.8 mm (2.7 in)	32 of 100 (Routine)
Bic	Canada	Record daily precipitation	31.8 mm (1.3 in)	31 of 100 (Routine)
Malayattur	India	Record daily precipitation	162.8 mm (6.4 in)	31 of 100 (Routine)
Attingal	India	Record daily precipitation	113.0 mm (4.4 in)	30 of 100 (Routine)
Beloit	United States	Record daily precipitation	56.4 mm (2.2 in)	30 of 100 (Routine)
Belthangady	India	Record daily precipitation	229.6 mm (9.0 in)	29 of 100 (Routine)
Amlagora	India	Record daily precipitation	86.4 mm (3.4 in)	29 of 100 (Routine)
Urbana Wrf	United States	Record daily precipitation	44.2 mm (1.7 in)	29 of 100 (Routine)
Muskegon Co AP	United States	Record daily precipitation	36.8 mm (1.4 in)	29 of 100 (Routine)
Mercara Obsy Sr	India	Record daily precipitation	236.2 mm (9.3 in)	28 of 100 (Routine)
Sunticoppa	India	Record daily precipitation	83.8 mm (3.3 in)	28 of 100 (Routine)
Artern	Germany	Record daily precipitation	25.0 mm (1.0 in)	27 of 100 (Routine)
Rockford	United States	Record daily precipitation	34.0 mm (1.3 in)	27 of 100 (Routine)
Coldwater St School	United States	Record daily precipitation	28.7 mm (1.1 in)	27 of 100 (Routine)
Ogdensburg 4 NE	United States	Record daily precipitation	27.9 mm (1.1 in)	27 of 100 (Routine)
Santuck	United States	Record low minimum temperature	10.6 C (51.1 F)	27 of 100 (Routine)
Cobar Post Office	Australia	Record low minimum temperature	-2.8 C (27.0 F)	26 of 100 (Routine)
Melfort	Canada	Record high minimum temperature	20.0 C (68.0 F)	26 of 100 (Routine)
Ambasamudram	India	Record daily precipitation	35.6 mm (1.4 in)	26 of 100 (Routine)
Drobeta Turnu Severin	Romania	Record high minimum temperature	22.2 C (72.0 F)	26 of 100 (Routine)
Varberg	Sweden	Record daily precipitation	25.8 mm (1.0 in)	26 of 100 (Routine)
Ai-Petri	Ukraine	Record high minimum temperature	18.8 C (65.8 F)	26 of 100 (Routine)
Marianna Sch For Boys	United States	Record low minimum temperature	16.1 C (61.0 F)	26 of 100 (Routine)
Grand Rapids Sutron	United States	Record daily precipitation	45.0 mm (1.8 in)	26 of 100 (Routine)
Pekisko	Canada	Record daily precipitation	34.0 mm (1.3 in)	25 of 100 (Routine)
Sfax El-Maou	Tunisia	Record low maximum temperature	21.0 C (69.8 F)	25 of 100 (Routine)
Uman	Ukraine	Record high maximum temperature	34.0 C (93.2 F)	25 of 100 (Routine)
Millen 4 N	United States	Record low minimum temperature	15.0 C (59.0 F)	25 of 100 (Routine)
Manoa 712.1	United States	Record daily precipitation	46.0 mm (1.8 in)	25 of 100 (Routine)
Bhagamandala	India	Record daily precipitation	254.5 mm (10.0 in)	24 of 100 (Routine)
Tg Jiu	Romania	Record high minimum temperature	21.7 C (71.1 F)	24 of 100 (Routine)
Ann Arbor U of Mich	United States	Record daily precipitation	28.4 mm (1.1 in)	24 of 100 (Routine)
Mukundapuram	India	Record daily precipitation	181.9 mm (7.2 in)	23 of 100 (Routine)
Greencastle 1 W	United States	Record daily precipitation	57.7 mm (2.3 in)	23 of 100 (Routine)
Pointe Au Pere	Canada	Record daily precipitation	36.6 mm (1.4 in)	22 of 100 (Routine)
Napoklu	India	Record daily precipitation	147.1 mm (5.8 in)	22 of 100 (Routine)
Tiruvangadi	India	Record daily precipitation	179.3 mm (7.1 in)	22 of 100 (Routine)
Quilon Pwd	India	Record daily precipitation	122.2 mm (4.8 in)	22 of 100 (Routine)
Simferopol	Ukraine	Record high maximum temperature	33.9 C (93.0 F)	22 of 100 (Routine)
Quitman 2 NW	United States	Record low minimum temperature	17.2 C (63.0 F)	22 of 100 (Routine)
Bottineau	United States	Record daily precipitation	26.9 mm (1.1 in)	22 of 100 (Routine)
La Sal	United States	Record low minimum temperature	4.4 C (39.9 F)	22 of 100 (Routine)
Prairie du Chien	United States	Record daily precipitation	33.5 mm (1.3 in)	22 of 100 (Routine)
Bagalkot	India	Record daily precipitation	33.3 mm (1.3 in)	21 of 100 (Routine)
Nikolaev	Ukraine	Record high minimum temperature	22.2 C (72.0 F)	21 of 100 (Routine)
Feodosiia	Ukraine	Record high minimum temperature	24.0 C (75.2 F)	21 of 100 (Routine)
Delphi 2 N	United States	Record daily precipitation	45.7 mm (1.8 in)	21 of 100 (Routine)

Counts by Type and Timescale

355 records

Records set or tied on 1 July 1938 by type: Highest daily maximum 24, Lowest daily maximum 47, Highest daily minimum 59, Lowest daily minimum 33, Heaviest daily rainfall 192.

Records on 1 July 1938 by type
Record type	Records
Highest daily maximum	24
Lowest daily maximum	47
Highest daily minimum	59
Lowest daily minimum	33
Heaviest daily rainfall	192
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 1 July 1938 by timescale: all-time 1, monthly 5, daily 349.

How Much Records Were Beaten By

287 broken records

Margins by which the 287 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 110.2. Ties are not counted.

Top 20 by Significance

1 July 1938

Top 20 records on 1 July 1938 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
1 July 1938	Moanalua 770, US	daily rain	35.1 mm (1.4 in)	30.5 mm (1.2 in)	17 years	48 of 100 (Notable)
1 July 1938	Crosby, US	daily rain	41.9 mm (1.6 in)	35.5 mm (1.4 in)	19 years	46 of 100 (Notable)
1 July 1938	Waimanalo 794, US	daily rain	27.7 mm (1.1 in)	25.4 mm (1.0 in)	9 years	45 of 100 (Notable)
1 July 1938	Howe, US	daily rain	58.7 mm (2.3 in)	48.5 mm (1.9 in)	20 years	44 of 100 (Notable)
1 July 1938	St Joseph, US	daily rain	42.7 mm (1.7 in)	30.0 mm (1.2 in)	31 years	44 of 100 (Notable)
1 July 1938	Portage Wwtp, US	daily rain	49.5 mm (1.9 in)	35.0 mm (1.4 in)	24 years	40 of 100 (Notable)
1 July 1938	Salekhard, RU	all-time high min	21.1 C (70.0 F)	0.5 C (0.9 F)	42 years	37 of 100 (Notable)
1 July 1938	Plymouth Pwr Substn, US	daily rain	62.0 mm (2.4 in)	27.7 mm (1.1 in)	43 years	37 of 100 (Notable)
1 July 1938	Chowghat, IN	daily rain	184.4 mm (7.3 in)	84.1 mm (3.3 in)	4 years	36 of 100 (Notable)
1 July 1938	Bancroft, US	daily rain	58.4 mm (2.3 in)	38.6 mm (1.5 in)	1 year	35 of 100 (Notable)
1 July 1938	Waukesha Wwtp, US	daily rain	34.5 mm (1.4 in)	25.9 mm (1.0 in)	32 years	35 of 100 (Notable)
1 July 1938	Angola, US	daily rain	50.8 mm (2.0 in)	28.4 mm (1.1 in)	43 years	34 of 100 (Routine)
1 July 1938	Watseka Public Works, US	daily rain	37.1 mm (1.5 in)	30.0 mm (1.2 in)	23 years	32 of 100 (Routine)
1 July 1938	Winona Lake, US	monthly rain	67.8 mm (2.7 in)	13.4 mm (0.5 in)	25 years	32 of 100 (Routine)
1 July 1938	Bic, CA	daily rain	31.8 mm (1.3 in)	8.9 mm (0.35 in)	52 years	31 of 100 (Routine)
1 July 1938	Malayattur, IN	daily rain	162.8 mm (6.4 in)	72.4 mm (2.9 in)	1 year	31 of 100 (Routine)
1 July 1938	Attingal, IN	daily rain	113.0 mm (4.4 in)	43.1 mm (1.7 in)	4 years	30 of 100 (Routine)
1 July 1938	Beloit, US	daily rain	56.4 mm (2.2 in)	39.9 mm (1.6 in)	3 years	30 of 100 (Routine)
1 July 1938	Belthangady, IN	daily rain	229.6 mm (9.0 in)	110.2 mm (4.3 in)	0 years	29 of 100 (Routine)
1 July 1938	Amlagora, IN	daily rain	86.4 mm (3.4 in)	59.5 mm (2.3 in)	9 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 1938

Records set or tied on this calendar date in each year from 1793 to 1938. 1938 had 355 records.

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

Records on 07-01 in each year
Year	Records
1793	1
1811	2
1816	1
1832	1
1833	1
1835	1
1839	1
1840	1
1841	1
1846	1
1857	1
1859	1
1860	1
1864	1
1868	1
1870	2
1871	1
1872	3
1874	1
1877	1
1878	1
1879	4
1880	1
1881	1
1882	1
1883	1
1885	2
1887	1
1888	4
1889	2
1890	2
1891	6
1892	2
1893	1
1894	4
1895	7
1896	1
1897	4
1898	10
1899	8
1900	2
1901	16
1902	6
1903	13
1904	18
1905	20
1906	14
1907	11
1908	11
1909	21
1910	30
1911	24
1912	51
1913	62
1914	126
1915	22
1916	30
1917	34
1918	57
1919	32
1920	293
1921	239
1922	55
1923	298
1924	350
1925	166
1926	95
1927	163
1928	65
1929	146
1930	163
1931	763
1932	300
1933	601
1934	220
1935	263
1936	425
1937	491
1938	355
1939	287
1940	393
1941	528
1942	510
1943	494
1944	252
1945	614
1946	432
1947	493
1948	278
1949	301
1950	435
1951	484
1952	271
1953	618
1954	619
1955	535
1956	420
1957	657
1958	496
1959	738
1960	386
1961	370
1962	280
1963	663
1964	403
1965	358
1966	504
1967	488
1968	721
1969	472
1970	632
1971	421
1972	474
1973	627
1974	738
1975	554
1976	768
1977	672
1978	718
1979	722
1980	959
1981	828
1982	1,606
1983	749
1984	766
1985	1,019
1986	965
1987	954
1988	1,542
1989	832
1990	1,405
1991	1,021
1992	1,689
1993	623
1994	936
1995	1,326
1996	637
1997	1,145
1998	1,280
1999	1,395
2000	593
2001	897
2002	1,090
2003	1,031
2004	768
2005	941
2006	674
2007	719
2008	857
2009	1,159
2010	1,146
2011	1,038
2012	1,295
2013	1,151
2014	517
2015	917
2016	515
2017	667
2018	764
2019	531
2020	820
2021	957
2022	759
2023	514
2024	660
2025	1,181
2026	958

Download the Data

Data for records on 1938-07-01: 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	240
20 to 40	32
40 to 60	11
60 to 80	1
80 to 100	2
100 to 120	1