Weather Records on 7 May 1940

317 weather records were set or tied worldwide on 7 May 1940. Highest significance: Feodosiia, UA.

Key Facts for 7 May 1940

On 7 May 1940, 317 weather records were set or tied at long-record stations worldwide.
211 were record highs and 28 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 7 monthly and 310 daily.
Feodosiia set a daily record precipitation of 25.3 mm (1.0 in) on 7 May 1940.
Across 168 earlier years (1795 to 2026) the same calendar date averaged 419 records.

Record Map

317 stations

317 station records on 7 May 1940 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 7 May 1940: highest significance records shown on the map
Station	Country	Type	Value	Significance
Feodosiia	Ukraine	Record daily precipitation	25.3 mm (1.0 in)	54 of 100 (Notable)
Crosby	United States	Record daily precipitation	34.8 mm (1.4 in)	47 of 100 (Notable)
Buffelshoek	South Africa	Record daily precipitation	35.6 mm (1.4 in)	37 of 100 (Notable)
Tarkastad (Pol)	South Africa	Record daily precipitation	30.5 mm (1.2 in)	36 of 100 (Notable)
Centerville	United States	Record daily precipitation	48.0 mm (1.9 in)	34 of 100 (Routine)
Ramnagaram	India	Record daily precipitation	64.8 mm (2.6 in)	32 of 100 (Routine)
Mt Ayr	United States	Record daily precipitation	38.9 mm (1.5 in)	32 of 100 (Routine)
Gudur(Guduru)	India	Record daily precipitation	50.3 mm (2.0 in)	31 of 100 (Routine)
Plainville 4WNW	United States	Record daily precipitation	62.2 mm (2.4 in)	31 of 100 (Routine)
Hays 1 S	United States	Record high minimum temperature	18.9 C (66.0 F)	26 of 100 (Routine)
Webster City	United States	Record daily precipitation	36.8 mm (1.4 in)	25 of 100 (Routine)
Holy Cross	United States	Record high maximum temperature	23.9 C (75.0 F)	25 of 100 (Routine)
Chattanooga Wb City	United States	Record high maximum temperature	34.4 C (93.9 F)	25 of 100 (Routine)
Lamoni	United States	Record daily precipitation	51.6 mm (2.0 in)	24 of 100 (Routine)
Dale Enterprise	United States	Record high minimum temperature	20.6 C (69.1 F)	24 of 100 (Routine)
Grant City	United States	Record daily precipitation	31.0 mm (1.2 in)	23 of 100 (Routine)
Clemson UNIV	United States	Record high maximum temperature	35.6 C (96.1 F)	23 of 100 (Routine)
Winston Salem Reynolds AP	United States	Record high maximum temperature	36.1 C (97.0 F)	23 of 100 (Routine)
Crystal Springs Exp STN	United States	Record high maximum temperature	35.6 C (96.1 F)	22 of 100 (Routine)
Lenoir	United States	Record high maximum temperature	35.6 C (96.1 F)	22 of 100 (Routine)
Johnsonville	United States	Record high maximum temperature	33.3 C (91.9 F)	22 of 100 (Routine)
Eagle Pass 3N	United States	Record daily precipitation	31.2 mm (1.2 in)	22 of 100 (Routine)
Cedar Key 1 WSW	United States	Record low maximum temperature	22.8 C (73.0 F)	21 of 100 (Routine)
Toccoa	United States	Record high maximum temperature	35.6 C (96.1 F)	21 of 100 (Routine)
Millerton	United States	Record daily precipitation	37.3 mm (1.5 in)	21 of 100 (Routine)
Coldwater	United States	Record high maximum temperature	32.8 C (91.0 F)	21 of 100 (Routine)
Savannah 6 SW	United States	Record high maximum temperature	32.8 C (91.0 F)	21 of 100 (Routine)
St Georges	Canada	Record daily precipitation	20.1 mm (0.8 in)	20 of 100 (Routine)
Sevastopol',Mgs	Ukraine	Record daily precipitation	13.3 mm (0.5 in)	20 of 100 (Routine)
Novorossijsk	Russia	Record daily precipitation	15.7 mm (0.6 in)	20 of 100 (Routine)
Yemmiganur	India	Record daily precipitation	18.0 mm (0.7 in)	20 of 100 (Routine)
Toledo 3N	United States	Record daily precipitation	24.1 mm (0.9 in)	20 of 100 (Routine)
St Joseph Wbo	United States	Record daily precipitation	24.4 mm (1.0 in)	20 of 100 (Routine)
Two Buttes	United States	Record high minimum temperature	15.0 C (59.0 F)	20 of 100 (Routine)
Athens	United States	Record high maximum temperature	35.6 C (96.1 F)	20 of 100 (Routine)
Hinton 1	United States	Record high maximum temperature	34.4 C (93.9 F)	20 of 100 (Routine)
Mhaswad	India	Record daily precipitation	5.1 mm (0.20 in)	19 of 100 (Routine)
Jonesboro 3 SSE	United States	Record high maximum temperature	31.7 C (89.1 F)	19 of 100 (Routine)
Washington 2 ESE	United States	Record high maximum temperature	35.0 C (95.0 F)	19 of 100 (Routine)
West Bend	United States	Record daily precipitation	20.3 mm (0.8 in)	19 of 100 (Routine)
Pratt 3NW	United States	Record high minimum temperature	19.4 C (66.9 F)	19 of 100 (Routine)
Espanola	United States	Record high maximum temperature	31.7 C (89.1 F)	19 of 100 (Routine)
Las Vegas 2 NW	United States	Record high maximum temperature	29.4 C (84.9 F)	19 of 100 (Routine)
Greenville Dwtn AP	United States	Record high maximum temperature	34.4 C (93.9 F)	19 of 100 (Routine)
St Louis Eads Brg	United States	Record high maximum temperature	32.8 C (91.0 F)	19 of 100 (Routine)
Broome Post Office	Australia	Record low minimum temperature	12.2 C (54.0 F)	18 of 100 (Routine)
Pakala	India	Record daily precipitation	25.4 mm (1.0 in)	18 of 100 (Routine)
Aruppukottai	India	Record daily precipitation	34.8 mm (1.4 in)	18 of 100 (Routine)
Madison	United States	Record high maximum temperature	32.8 C (91.0 F)	18 of 100 (Routine)
Gainesville	United States	Record high maximum temperature	34.4 C (93.9 F)	18 of 100 (Routine)
Palestine	United States	Record high maximum temperature	31.7 C (89.1 F)	18 of 100 (Routine)
Carroll	United States	Record daily precipitation	30.0 mm (1.2 in)	18 of 100 (Routine)
Madison	United States	Record low minimum temperature	-5.0 C (23.0 F)	18 of 100 (Routine)
Tekamah	United States	Record daily precipitation	36.3 mm (1.4 in)	18 of 100 (Routine)
Greensboro	United States	Record high maximum temperature	35.6 C (96.1 F)	18 of 100 (Routine)
Salisbury	United States	Record high maximum temperature	35.6 C (96.1 F)	18 of 100 (Routine)
Lynnville 4 SSW	United States	Record high maximum temperature	32.2 C (90.0 F)	18 of 100 (Routine)
Tullahoma	United States	Record high maximum temperature	30.6 C (87.1 F)	18 of 100 (Routine)
Fanny Cove	Australia	Record daily precipitation	27.9 mm (1.1 in)	17 of 100 (Routine)
Higginsville	Australia	Record daily precipitation	16.5 mm (0.6 in)	17 of 100 (Routine)

Counts by Type and Timescale

317 records

Records set or tied on 7 May 1940 by type: Highest daily maximum 162, Lowest daily maximum 8, Highest daily minimum 49, Lowest daily minimum 20, Heaviest daily rainfall 78.

Records on 7 May 1940 by type
Record type	Records
Highest daily maximum	162
Lowest daily maximum	8
Highest daily minimum	49
Lowest daily minimum	20
Heaviest daily rainfall	78
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 7 May 1940 by timescale: all-time 0, monthly 7, daily 310.

How Much Records Were Beaten By

233 broken records

Margins by which the 233 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 32.6. Ties are not counted.

Top 20 by Significance

7 May 1940

Top 20 records on 7 May 1940 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
7 May 1940	Feodosiia, UA	daily rain	25.3 mm (1.0 in)	20.8 mm (0.8 in)	27 years	54 of 100 (Notable)
7 May 1940	Crosby, US	daily rain	34.8 mm (1.4 in)	31.0 mm (1.2 in)	21 years	47 of 100 (Notable)
7 May 1940	Buffelshoek, ZA	daily rain	35.6 mm (1.4 in)	32.6 mm (1.3 in)	29 years	37 of 100 (Notable)
7 May 1940	Tarkastad (Pol), ZA	daily rain	30.5 mm (1.2 in)	14.8 mm (0.6 in)	36 years	36 of 100 (Notable)
7 May 1940	Centerville, US	daily rain	48.0 mm (1.9 in)	21.3 mm (0.8 in)	40 years	34 of 100 (Routine)
7 May 1940	Ramnagaram, IN	daily rain	64.8 mm (2.6 in)	24.7 mm (1.0 in)	32 years	32 of 100 (Routine)
7 May 1940	Mt Ayr, US	daily rain	38.9 mm (1.5 in)	22.4 mm (0.9 in)	34 years	32 of 100 (Routine)
7 May 1940	Gudur(Guduru), IN	daily rain	50.3 mm (2.0 in)	30.0 mm (1.2 in)	15 years	31 of 100 (Routine)
7 May 1940	Plainville 4WNW, US	monthly rain	62.2 mm (2.4 in)	11.4 mm (0.4 in)	17 years	31 of 100 (Routine)
7 May 1940	Hays 1 S, US	daily high min	18.9 C (66.0 F)	4.5 C (8.1 F)	44 years	26 of 100 (Routine)
7 May 1940	Webster City, US	daily rain	36.8 mm (1.4 in)	20.8 mm (0.8 in)	10 years	25 of 100 (Routine)
7 May 1940	Holy Cross, US	daily high max	23.9 C (75.0 F)	8.9 C (16.0 F)	14 years	25 of 100 (Routine)
7 May 1940	Chattanooga Wb City, US	daily high max	34.4 C (93.9 F)	2.7 C (4.9 F)	45 years	25 of 100 (Routine)
7 May 1940	Lamoni, US	daily rain	51.6 mm (2.0 in)	20.6 mm (0.8 in)	10 years	24 of 100 (Routine)
7 May 1940	Dale Enterprise, US	monthly high min	20.6 C (69.1 F)	2.3 C (4.1 F)	16 years	24 of 100 (Routine)
7 May 1940	Grant City, US	daily rain	31.0 mm (1.2 in)	13.2 mm (0.5 in)	30 years	23 of 100 (Routine)
7 May 1940	Clemson UNIV, US	daily high max	35.6 C (96.1 F)	2.8 C (5.0 F)	40 years	23 of 100 (Routine)
7 May 1940	Winston Salem Reynolds AP, US	monthly high max	36.1 C (97.0 F)	0.5 C (0.9 F)	28 years	23 of 100 (Routine)
7 May 1940	Crystal Springs Exp STN, US	daily high max	35.6 C (96.1 F)	2.3 C (4.1 F)	43 years	22 of 100 (Routine)
7 May 1940	Lenoir, US	daily high max	35.6 C (96.1 F)	3.4 C (6.1 F)	39 years	22 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

1795 to 1940

Records set or tied on this calendar date in each year from 1795 to 1940. 1940 had 317 records.

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

Records on 05-07 in each year
Year	Records
1795	2
1805	1
1816	1
1825	2
1837	1
1838	1
1844	1
1845	2
1846	1
1848	2
1850	2
1852	1
1853	1
1856	3
1857	1
1861	3
1862	1
1863	1
1864	1
1867	3
1869	1
1870	1
1872	1
1874	2
1876	3
1878	1
1879	2
1880	1
1884	2
1885	1
1886	4
1887	1
1888	1
1889	2
1890	4
1891	4
1892	2
1894	4
1895	2
1897	5
1898	7
1899	3
1900	10
1901	1
1902	6
1903	13
1904	19
1905	21
1906	15
1907	14
1908	29
1909	15
1910	16
1911	14
1912	14
1913	30
1914	37
1915	40
1916	34
1917	188
1918	60
1919	263
1920	59
1921	41
1922	40
1923	119
1924	141
1925	207
1926	227
1927	191
1928	204
1929	224
1930	637
1931	473
1932	288
1933	291
1934	698
1935	298
1936	466
1937	121
1938	467
1939	194
1940	317
1941	317
1942	270
1943	416
1944	476
1945	751
1946	339
1947	727
1948	338
1949	439
1950	526
1951	226
1952	485
1953	541
1954	481
1955	393
1956	665
1957	546
1958	585
1959	335
1960	899
1961	442
1962	381
1963	825
1964	687
1965	671
1966	762
1967	973
1968	756
1969	678
1970	822
1971	364
1972	515
1973	447
1974	743
1975	784
1976	782
1977	662
1978	925
1979	888
1980	593
1981	710
1982	802
1983	724
1984	1,300
1985	557
1986	1,163
1987	1,115
1988	752
1989	1,880
1990	1,024
1991	599
1992	1,830
1993	831
1994	621
1995	997
1996	880
1997	1,359
1998	1,166
1999	1,008
2000	1,693
2001	743
2002	1,344
2003	1,138
2004	1,397
2005	645
2006	833
2007	1,047
2008	526
2009	735
2010	1,123
2011	558
2012	709
2013	633
2014	646
2015	569
2016	677
2017	543
2018	542
2019	522
2020	577
2021	484
2022	784
2023	667
2024	858
2025	635
2026	715

Download the Data

Data for records on 1940-05-07: 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 5	189
5 to 10	23
10 to 15	8
15 to 20	2
20 to 25	8
25 to 30	0
30 to 35	3