Weather Records on 7 May 1939

194 weather records were set or tied worldwide on 7 May 1939. Highest significance: Thiruthuraipoond, IN.

Key Facts for 7 May 1939

On 7 May 1939, 194 weather records were set or tied at long-record stations worldwide.
114 were record highs and 15 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 5 monthly and 188 daily.
Thiruthuraipoond set a monthly record daily precipitation of 131.6 mm (5.2 in) on 7 May 1939.
Across 168 earlier years (1795 to 2026) the same calendar date averaged 420 records.

Record Map

194 stations

194 station records on 7 May 1939 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 7 May 1939: highest significance records shown on the map
Station	Country	Type	Value	Significance
Thiruthuraipoond	India	Record daily precipitation	131.6 mm (5.2 in)	37 of 100 (Notable)
New Ulm 2 SE	United States	Record daily precipitation	27.9 mm (1.1 in)	34 of 100 (Routine)
Changenachery	India	Record daily precipitation	235.0 mm (9.3 in)	33 of 100 (Routine)
Cedar Key 1 WSW	United States	Record daily precipitation	41.9 mm (1.6 in)	32 of 100 (Routine)
Olathe 3E	United States	Record daily precipitation	79.0 mm (3.1 in)	32 of 100 (Routine)
Waimanalo 794	United States	Record low minimum temperature	15.6 C (60.1 F)	30 of 100 (Routine)
Jacksonville Wb City	United States	Record daily precipitation	40.4 mm (1.6 in)	30 of 100 (Routine)
Hamilton	Canada	Record high maximum temperature	29.4 C (84.9 F)	27 of 100 (Routine)
Trenton 2	United States	Record high maximum temperature	32.8 C (91.0 F)	26 of 100 (Routine)
Weyerhaeuser 1N	United States	Record daily precipitation	26.4 mm (1.0 in)	26 of 100 (Routine)
Whitefish Pt	United States	Record high minimum temperature	7.8 C (46.0 F)	25 of 100 (Routine)
Spooner Ag Rsch STN	United States	Record daily precipitation	31.8 mm (1.3 in)	25 of 100 (Routine)
Ramanathapuram	India	Record daily precipitation	71.1 mm (2.8 in)	23 of 100 (Routine)
Haripad	India	Record daily precipitation	211.6 mm (8.3 in)	22 of 100 (Routine)
Tarpon Spgs Sewage Plt	United States	Record daily precipitation	39.1 mm (1.5 in)	22 of 100 (Routine)
Campbell	United States	Record high maximum temperature	35.0 C (95.0 F)	22 of 100 (Routine)
Owen Sound	Canada	Record high minimum temperature	15.6 C (60.1 F)	21 of 100 (Routine)
Thiruvalla	India	Record daily precipitation	165.1 mm (6.5 in)	21 of 100 (Routine)
Irkutsk	Russia	Record low minimum temperature	-9.6 C (14.7 F)	21 of 100 (Routine)
Minsk	Belarus	Record daily precipitation	23.6 mm (0.9 in)	20 of 100 (Routine)
Tihoreck	Russia	Record daily precipitation	19.8 mm (0.8 in)	20 of 100 (Routine)
Velikie Luki	Russia	Record daily precipitation	22.6 mm (0.9 in)	20 of 100 (Routine)
Chengannur	India	Record daily precipitation	100.6 mm (4.0 in)	20 of 100 (Routine)
Newark Liberty Intl AP	United States	Record high maximum temperature	32.8 C (91.0 F)	20 of 100 (Routine)
Dawson	Canada	Record daily snowfall	2.0 cm (0.8 in)	19 of 100 (Routine)
Gunupur	India	Record daily precipitation	21.8 mm (0.9 in)	19 of 100 (Routine)
Chernjaevo	Russia	Record daily precipitation	9.7 mm (0.38 in)	19 of 100 (Routine)
Hayward Rs	United States	Record daily precipitation	31.5 mm (1.2 in)	19 of 100 (Routine)
Randwick Bowling Club	Australia	Record daily precipitation	38.6 mm (1.5 in)	18 of 100 (Routine)
Wolfville	Canada	Record low maximum temperature	7.2 C (45.0 F)	18 of 100 (Routine)
Uralsk	Kazakhstan	Record high minimum temperature	14.3 C (57.7 F)	18 of 100 (Routine)
New Smyrna Beach	United States	Record daily precipitation	40.1 mm (1.6 in)	18 of 100 (Routine)
Vouziers	France	Record daily precipitation	15.2 mm (0.6 in)	17 of 100 (Routine)
Mavelikara	India	Record daily precipitation	66.0 mm (2.6 in)	17 of 100 (Routine)
Kottayam P.W.D	India	Record daily precipitation	108.0 mm (4.3 in)	17 of 100 (Routine)
Jeypore	India	Record daily precipitation	27.4 mm (1.1 in)	17 of 100 (Routine)
Paso Robles	United States	Record low minimum temperature	1.1 C (34.0 F)	17 of 100 (Routine)
Carrabelle 1 NNW	United States	Record daily precipitation	35.8 mm (1.4 in)	17 of 100 (Routine)
St Peter	United States	Record daily precipitation	31.5 mm (1.2 in)	17 of 100 (Routine)
Prentice #2	United States	Record daily precipitation	26.7 mm (1.1 in)	17 of 100 (Routine)
Kailua 446	United States	Record low minimum temperature	14.4 C (57.9 F)	17 of 100 (Routine)
Saginaw Mbs Intl AP	United States	Record high minimum temperature	16.7 C (62.1 F)	17 of 100 (Routine)
Blagovescensk	Russia	Record high minimum temperature	10.3 C (50.5 F)	16 of 100 (Routine)
Plant City	United States	Record daily precipitation	37.6 mm (1.5 in)	16 of 100 (Routine)
Tampa	United States	Record daily precipitation	29.5 mm (1.2 in)	16 of 100 (Routine)
Sapphire (Argyle)	Australia	Record daily precipitation	5.1 mm (0.20 in)	15 of 100 (Routine)
Tasiilaq	Greenland [Denmark]	Record high minimum temperature	2.6 C (36.7 F)	15 of 100 (Routine)
Kokpekty	Kazakhstan	Record high minimum temperature	11.8 C (53.2 F)	15 of 100 (Routine)
Avon Park 2 W	United States	Record daily precipitation	45.5 mm (1.8 in)	15 of 100 (Routine)
Inwood 2 SW	United States	Record daily precipitation	42.2 mm (1.7 in)	15 of 100 (Routine)
Harrisville	United States	Record high minimum temperature	11.1 C (52.0 F)	15 of 100 (Routine)
Northampton	Australia	Record daily precipitation	2.8 mm (0.11 in)	14 of 100 (Routine)
Yarragadee	Australia	Record daily precipitation	5.3 mm (0.21 in)	14 of 100 (Routine)
State UNIV	United States	Record low minimum temperature	6.7 C (44.1 F)	14 of 100 (Routine)
Maunawili Rch	United States	Record low minimum temperature	15.0 C (59.0 F)	14 of 100 (Routine)
Pahala 21	United States	Record low maximum temperature	22.8 C (73.0 F)	14 of 100 (Routine)
Miranda (Blackwood St)	Australia	Record daily precipitation	27.4 mm (1.1 in)	13 of 100 (Routine)
Baripada	India	Record daily precipitation	29.2 mm (1.1 in)	13 of 100 (Routine)
Chico UNIV Farm	United States	Record high maximum temperature	33.9 C (93.0 F)	13 of 100 (Routine)
Takoma Park # 1	United States	Record high maximum temperature	32.8 C (91.0 F)	13 of 100 (Routine)

Counts by Type and Timescale

194 records

Records set or tied on 7 May 1939 by type: Highest daily maximum 51, Lowest daily maximum 4, Highest daily minimum 63, Lowest daily minimum 11, Heaviest daily rainfall 64, Heaviest daily snowfall 1.

Records on 7 May 1939 by type
Record type	Records
Highest daily maximum	51
Lowest daily maximum	4
Highest daily minimum	63
Lowest daily minimum	11
Heaviest daily rainfall	64
Heaviest daily snowfall	1
Deepest snow cover	0

Records on 7 May 1939 by timescale: all-time 1, monthly 5, daily 188.

How Much Records Were Beaten By

139 broken records

Margins by which the 139 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 49.5. Ties are not counted.

Top 20 by Significance

7 May 1939

Top 20 records on 7 May 1939 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
7 May 1939	Thiruthuraipoond, IN	monthly rain	131.6 mm (5.2 in)	31.8 mm (1.3 in)	8 years	37 of 100 (Notable)
7 May 1939	New Ulm 2 SE, US	daily rain	27.9 mm (1.1 in)	17.7 mm (0.7 in)	37 years	34 of 100 (Routine)
7 May 1939	Changenachery, IN	all-time rain	235.0 mm (9.3 in)	23.7 mm (0.9 in)	7 years	33 of 100 (Routine)
7 May 1939	Cedar Key 1 WSW, US	daily rain	41.9 mm (1.6 in)	36.8 mm (1.4 in)	21 years	32 of 100 (Routine)
7 May 1939	Olathe 3E, US	daily rain	79.0 mm (3.1 in)	35.8 mm (1.4 in)	12 years	32 of 100 (Routine)
7 May 1939	Waimanalo 794, US	daily low min	15.6 C (60.1 F)	2.7 C (4.9 F)	24 years	30 of 100 (Routine)
7 May 1939	Jacksonville Wb City, US	daily rain	40.4 mm (1.6 in)	12.5 mm (0.5 in)	59 years	30 of 100 (Routine)
7 May 1939	Hamilton, CA	daily high max	29.4 C (84.9 F)	0.5 C (0.9 F)	66 years	27 of 100 (Routine)
7 May 1939	Trenton 2, US	daily high max	32.8 C (91.0 F)	0.6 C (1.1 F)	62 years	26 of 100 (Routine)
7 May 1939	Weyerhaeuser 1N, US	daily rain	26.4 mm (1.0 in)	13.7 mm (0.5 in)	32 years	26 of 100 (Routine)
7 May 1939	Whitefish Pt, US	daily high min	7.8 C (46.0 F)	2.8 C (5.0 F)	38 years	25 of 100 (Routine)
7 May 1939	Spooner Ag Rsch STN, US	daily rain	31.8 mm (1.3 in)	22.9 mm (0.9 in)	8 years	25 of 100 (Routine)
7 May 1939	Ramanathapuram, IN	monthly rain	71.1 mm (2.8 in)	6.1 mm (0.24 in)	22 years	23 of 100 (Routine)
7 May 1939	Haripad, IN	monthly rain	211.6 mm (8.3 in)	17.0 mm (0.7 in)	6 years	22 of 100 (Routine)
7 May 1939	Tarpon Spgs Sewage Plt, US	daily rain	39.1 mm (1.5 in)	15.0 mm (0.6 in)	36 years	22 of 100 (Routine)
7 May 1939	Campbell, US	daily high max	35.0 C (95.0 F)	4.4 C (7.9 F)	41 years	22 of 100 (Routine)
7 May 1939	Owen Sound, CA	daily high min	15.6 C (60.1 F)	1.2 C (2.2 F)	43 years	21 of 100 (Routine)
7 May 1939	Thiruvalla, IN	daily rain	165.1 mm (6.5 in)	49.5 mm (1.9 in)	5 years	21 of 100 (Routine)
7 May 1939	Irkutsk, RU	daily low min	-9.6 C (14.7 F)	0.6 C (1.1 F)	50 years	21 of 100 (Routine)
7 May 1939	Minsk, BY	daily rain	23.6 mm (0.9 in)	12.1 mm (0.5 in)	42 years	20 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 1939

Records set or tied on this calendar date in each year from 1795 to 1939. 1939 had 194 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 1939-05-07: 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).

Histogram of margins by which records were beaten on 7 May 1939
Margin	Records
0 to 10	114
10 to 20	16
20 to 30	5
30 to 40	3
40 to 50	1