Weather Records on 7 May 1975

784 weather records were set or tied worldwide on 7 May 1975. Highest significance: Jacksonville 2E, US.

Key Facts for 7 May 1975

On 7 May 1975, 784 weather records were set or tied at long-record stations worldwide.
144 were record highs and 275 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 34 monthly and 749 daily.
Jacksonville 2E set a daily record precipitation of 106.7 mm (4.2 in) on 7 May 1975.
Across 168 earlier years (1795 to 2026) the same calendar date averaged 416 records.

Record Map

784 stations

784 station records on 7 May 1975 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 7 May 1975: highest significance records shown on the map
Station	Country	Type	Value	Significance
Jacksonville 2E	United States	Record daily precipitation	106.7 mm (4.2 in)	70 of 100 (Major)
Morgan	United States	Record daily snowfall	20.3 cm (8.0 in)	68 of 100 (Major)
Morgan	United States	Record daily precipitation	36.8 mm (1.4 in)	61 of 100 (Major)
Virginia City	United States	Record daily precipitation	39.6 mm (1.6 in)	56 of 100 (Notable)
Pineview Dam	United States	Record daily precipitation	101.1 mm (4.0 in)	56 of 100 (Notable)
Driggs	United States	Record daily snowfall	12.7 cm (5.0 in)	52 of 100 (Notable)
Coalville	United States	Record daily snowfall	10.2 cm (4.0 in)	52 of 100 (Notable)
Blackfoot Fire Dept	United States	Record daily precipitation	27.4 mm (1.1 in)	51 of 100 (Notable)
Franklinville	United States	Record daily precipitation	43.2 mm (1.7 in)	50 of 100 (Notable)
Rio Piracicaba	Brazil	Record daily precipitation	60.2 mm (2.4 in)	49 of 100 (Notable)
Philadelphia Polisie	South Africa	Record daily precipitation	56.0 mm (2.2 in)	49 of 100 (Notable)
Poitiers - Biard	France	Record daily precipitation	29.0 mm (1.1 in)	47 of 100 (Notable)
Opheim 12 SSE	United States	Record daily precipitation	33.3 mm (1.3 in)	46 of 100 (Notable)
Palmyra	United States	Record daily precipitation	72.6 mm (2.9 in)	45 of 100 (Notable)
Silver Lake Brighton	United States	Record daily snowfall	36.8 cm (14.5 in)	45 of 100 (Notable)
Crandall Creek	United States	Record daily snowfall	43.2 cm (17.0 in)	45 of 100 (Notable)
Ennis	United States	Record daily precipitation	33.0 mm (1.3 in)	44 of 100 (Notable)
Saguache	United States	Record low minimum temperature	-13.3 C (8.1 F)	43 of 100 (Notable)
Rock Springs	United States	Record daily snowfall	7.6 cm (3.0 in)	43 of 100 (Notable)
Worland	United States	Record daily precipitation	44.7 mm (1.8 in)	43 of 100 (Notable)
Yellowstone Park Mammoth	United States	Record daily snowfall	7.6 cm (3.0 in)	43 of 100 (Notable)
Tuba City	United States	Record low minimum temperature	-10.0 C (14.0 F)	42 of 100 (Notable)
Crested Butte	United States	Record snow depth	43.2 cm (17.0 in)	42 of 100 (Notable)
Boontjieskraal	South Africa	Record daily precipitation	27.3 mm (1.1 in)	40 of 100 (Notable)
Big Timber	United States	Record daily precipitation	39.9 mm (1.6 in)	40 of 100 (Notable)
Taos	United States	Record low minimum temperature	-7.8 C (18.0 F)	40 of 100 (Notable)
Pedro Leopoldo	Brazil	Record daily precipitation	32.0 mm (1.3 in)	39 of 100 (Notable)
Entre Rios de Minas	Brazil	Record daily precipitation	43.7 mm (1.7 in)	39 of 100 (Notable)
Brookfield	United States	Record daily precipitation	56.9 mm (2.2 in)	39 of 100 (Notable)
Red Lodge	United States	Record daily precipitation	59.7 mm (2.4 in)	39 of 100 (Notable)
Fruitland	United States	Record low minimum temperature	-11.7 C (10.9 F)	39 of 100 (Notable)
Lezay	France	Record daily precipitation	40.5 mm (1.6 in)	38 of 100 (Notable)
Rotenburg (Wumme)	Germany	Record daily precipitation	27.6 mm (1.1 in)	38 of 100 (Notable)
Wunstorf	Germany	Record daily precipitation	31.0 mm (1.2 in)	38 of 100 (Notable)
Alta 1 NNW	United States	Record daily snowfall	28.4 cm (11.2 in)	38 of 100 (Notable)
Bridger 2 N	United States	Record daily precipitation	48.8 mm (1.9 in)	37 of 100 (Notable)
Vespasiano	Brazil	Record daily precipitation	37.8 mm (1.5 in)	36 of 100 (Notable)
Arkadelphia 2 N	United States	Record daily precipitation	54.1 mm (2.1 in)	36 of 100 (Notable)
Red Lodge	United States	Record daily snowfall	59.7 cm (23.5 in)	36 of 100 (Notable)
Ogden Pioneer Ph	United States	Record daily precipitation	31.8 mm (1.3 in)	36 of 100 (Notable)
Riverdale	United States	Record daily precipitation	26.2 mm (1.0 in)	36 of 100 (Notable)
Snake Rvr	United States	Record daily snowfall	27.9 cm (11.0 in)	36 of 100 (Notable)
Mineracao Morro Velho	Brazil	Record daily precipitation	53.0 mm (2.1 in)	35 of 100 (Notable)
Congonhas-Montante	Brazil	Record daily precipitation	27.6 mm (1.1 in)	35 of 100 (Notable)
Aztec Ruins Nm	United States	Record low minimum temperature	-11.1 C (12.0 F)	35 of 100 (Notable)
Shoshoni	United States	Record daily precipitation	25.1 mm (1.0 in)	35 of 100 (Notable)
Montmorillon	France	Record daily precipitation	25.3 mm (1.0 in)	34 of 100 (Routine)
Bremen-Seefahrtschule	Germany	Record daily precipitation	26.2 mm (1.0 in)	34 of 100 (Routine)
Pabellon Campo Experimental	Mexico	Record low minimum temperature	0.0 C (32.0 F)	34 of 100 (Routine)
Johnstown	United States	Record daily precipitation	26.7 mm (1.1 in)	33 of 100 (Routine)
Mtn Dell Dam	United States	Record daily precipitation	38.9 mm (1.5 in)	33 of 100 (Routine)
Pedro Avelino	Brazil	Record daily precipitation	55.4 mm (2.2 in)	32 of 100 (Routine)
Espanola	United States	Record low minimum temperature	-4.4 C (24.1 F)	32 of 100 (Routine)
Angelica	United States	Record daily precipitation	36.1 mm (1.4 in)	32 of 100 (Routine)
Beaumont City	United States	Record high minimum temperature	25.0 C (77.0 F)	32 of 100 (Routine)
Alta 1 NNW	United States	Record snow depth	101.6 cm (40.0 in)	32 of 100 (Routine)
Telluride 4WNW	United States	Record low minimum temperature	-13.3 C (8.1 F)	31 of 100 (Routine)
Mystic Lake	United States	Record daily snowfall	50.8 cm (20.0 in)	31 of 100 (Routine)
Tres Piedras	United States	Record low minimum temperature	-10.6 C (12.9 F)	31 of 100 (Routine)
Chemult	United States	Record snow depth	30.5 cm (12.0 in)	31 of 100 (Routine)

Counts by Type and Timescale

784 records

Records set or tied on 7 May 1975 by type: Highest daily maximum 49, Lowest daily maximum 110, Highest daily minimum 95, Lowest daily minimum 165, Heaviest daily rainfall 336, Heaviest daily snowfall 18, Deepest snow cover 11.

Records on 7 May 1975 by type
Record type	Records
Highest daily maximum	49
Lowest daily maximum	110
Highest daily minimum	95
Lowest daily minimum	165
Heaviest daily rainfall	336
Heaviest daily snowfall	18
Deepest snow cover	11

Records on 7 May 1975 by timescale: all-time 1, monthly 34, daily 749.

How Much Records Were Beaten By

641 broken records

Margins by which the 641 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 558.0. Ties are not counted.

Top 20 by Significance

7 May 1975

Top 20 records on 7 May 1975 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
7 May 1975	Jacksonville 2E, US	daily rain	106.7 mm (4.2 in)	63.3 mm (2.5 in)	75 years	70 of 100 (Major)
7 May 1975	Morgan, US	daily snowfall	20.3 cm (8.0 in)	20.3 cm (8.0 in)	70 years	68 of 100 (Major)
7 May 1975	Morgan, US	daily rain	36.8 mm (1.4 in)	27.9 mm (1.1 in)	48 years	61 of 100 (Major)
7 May 1975	Virginia City, US	daily rain	39.6 mm (1.6 in)	26.4 mm (1.0 in)	26 years	56 of 100 (Notable)
7 May 1975	Pineview Dam, US	all-time rain	101.1 mm (4.0 in)	21.1 mm (0.8 in)	20 years	56 of 100 (Notable)
7 May 1975	Driggs, US	daily snowfall	12.7 cm (5.0 in)	12.7 cm (5.0 in)	68 years	52 of 100 (Notable)
7 May 1975	Coalville, US	daily snowfall	10.2 cm (4.0 in)	10.2 cm (4.0 in)	80 years	52 of 100 (Notable)
7 May 1975	Blackfoot Fire Dept, US	daily rain	27.4 mm (1.1 in)	20.5 mm (0.8 in)	26 years	51 of 100 (Notable)
7 May 1975	Franklinville, US	daily rain	43.2 mm (1.7 in)	16.5 mm (0.6 in)	66 years	50 of 100 (Notable)
7 May 1975	Rio Piracicaba, BR	daily rain	60.2 mm (2.4 in)	49.0 mm (1.9 in)	20 years	49 of 100 (Notable)
7 May 1975	Philadelphia Polisie, ZA	daily rain	56.0 mm (2.2 in)	47.0 mm (1.9 in)	16 years	49 of 100 (Notable)
7 May 1975	Poitiers - Biard, FR	daily rain	29.0 mm (1.1 in)	17.3 mm (0.7 in)	48 years	47 of 100 (Notable)
7 May 1975	Opheim 12 SSE, US	daily rain	33.3 mm (1.3 in)	29.2 mm (1.1 in)	12 years	46 of 100 (Notable)
7 May 1975	Palmyra, US	daily rain	72.6 mm (2.9 in)	47.2 mm (1.9 in)	1 year	45 of 100 (Notable)
7 May 1975	Silver Lake Brighton, US	daily snowfall	36.8 cm (14.5 in)	16.5 cm (6.5 in)	53 years	45 of 100 (Notable)
7 May 1975	Crandall Creek, US	monthly snowfall	43.2 cm (17.0 in)	12.7 cm (5.0 in)	16 years	45 of 100 (Notable)
7 May 1975	Ennis, US	daily rain	33.0 mm (1.3 in)	20.3 mm (0.8 in)	9 years	44 of 100 (Notable)
7 May 1975	Saguache, US	monthly low min	-13.3 C (8.1 F)	3.9 C (7.0 F)	44 years	43 of 100 (Notable)
7 May 1975	Rock Springs, US	daily snowfall	7.6 cm (3.0 in)	7.6 cm (3.0 in)	41 years	43 of 100 (Notable)
7 May 1975	Worland, US	monthly rain	44.7 mm (1.8 in)	12.4 mm (0.5 in)	12 years	43 of 100 (Notable)

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 1975

Records set or tied on this calendar date in each year from 1795 to 1975. 1975 had 784 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 1975-05-07: 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 2026-10-16. Last revised 16 October 2026 (2026-10-16).

Margin	Records
0 to 100	627
100 to 200	7
200 to 300	6
300 to 400	0
400 to 500	0
500 to 600	1