Weather Records on 4 May 1975

683 weather records were set or tied worldwide on 4 May 1975. Highest significance: Lima, US.

Key Facts for 4 May 1975

On 4 May 1975, 683 weather records were set or tied at long-record stations worldwide.
79 were record highs and 236 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 47 monthly and 635 daily.
Lima set a daily record snowfall of 30.5 cm (12.0 in) on 4 May 1975.
Across 163 earlier years (1795 to 2026) the same calendar date averaged 429 records.

Record Map

683 stations

683 station records on 4 May 1975 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 4 May 1975: highest significance records shown on the map
Station	Country	Type	Value	Significance
Lima	United States	Record daily snowfall	30.5 cm (12.0 in)	64 of 100 (Major)
Parau	Brazil	Record daily precipitation	138.0 mm (5.4 in)	59 of 100 (Notable)
Virginia City	United States	Record daily snowfall	25.4 cm (10.0 in)	57 of 100 (Notable)
Ibapah	United States	Record daily snowfall	15.2 cm (6.0 in)	57 of 100 (Notable)
Hollister	United States	Record daily snowfall	24.1 cm (9.5 in)	56 of 100 (Notable)
Rooijantjiesfontein	South Africa	Record daily precipitation	26.0 mm (1.0 in)	55 of 100 (Notable)
Mundo Novo	Brazil	Record daily precipitation	60.0 mm (2.4 in)	54 of 100 (Notable)
Chemult	United States	Record snow depth	45.7 cm (18.0 in)	54 of 100 (Notable)
Corinne	United States	Record daily snowfall	11.4 cm (4.5 in)	52 of 100 (Notable)
Hazelton	United States	Record daily snowfall	20.3 cm (8.0 in)	51 of 100 (Notable)
Virginia City	United States	Record daily precipitation	28.4 mm (1.1 in)	51 of 100 (Notable)
Verkeerdevlei (Pol)	South Africa	Record daily precipitation	33.0 mm (1.3 in)	47 of 100 (Notable)
Catawba	United States	Record daily precipitation	63.0 mm (2.5 in)	45 of 100 (Notable)
Queimadas	Brazil	Record daily precipitation	51.0 mm (2.0 in)	44 of 100 (Notable)
Milan	Italy	Record daily precipitation	65.2 mm (2.6 in)	44 of 100 (Notable)
Lima	United States	Record snow depth	30.5 cm (12.0 in)	44 of 100 (Notable)
Sonnblick	Austria	Record daily precipitation	35.6 mm (1.4 in)	43 of 100 (Notable)
Broaddus	United States	Record daily precipitation	128.5 mm (5.1 in)	43 of 100 (Notable)
Fillmore	United States	Record daily snowfall	7.9 cm (3.1 in)	43 of 100 (Notable)
Buckhannon	United States	Record daily precipitation	34.3 mm (1.4 in)	43 of 100 (Notable)
Chestertown	United States	Record daily precipitation	29.7 mm (1.2 in)	42 of 100 (Notable)
Oak City	United States	Record daily snowfall	7.6 cm (3.0 in)	42 of 100 (Notable)
Towson	United States	Record daily precipitation	49.5 mm (1.9 in)	41 of 100 (Notable)
Lima	United States	Record daily precipitation	28.4 mm (1.1 in)	41 of 100 (Notable)
Bronson	United States	Record daily precipitation	137.2 mm (5.4 in)	41 of 100 (Notable)
Corinne	United States	Record snow depth	10.2 cm (4.0 in)	41 of 100 (Notable)
Baltimore Customs House	United States	Record daily precipitation	49.5 mm (1.9 in)	41 of 100 (Notable)
New Meadows Rs	United States	Record daily snowfall	6.9 cm (2.7 in)	40 of 100 (Notable)
Three Creek	United States	Record daily snowfall	25.4 cm (10.0 in)	40 of 100 (Notable)
Elko Rgnl AP	United States	Record daily snowfall	10.2 cm (4.0 in)	40 of 100 (Notable)
Marquard - Pol 29	South Africa	Record daily precipitation	27.0 mm (1.1 in)	39 of 100 (Notable)
Monticello	United States	Record daily precipitation	53.3 mm (2.1 in)	39 of 100 (Notable)
Mackay Lost Rvr Rs	United States	Record daily snowfall	12.7 cm (5.0 in)	39 of 100 (Notable)
Belleplain STN Forest	United States	Record daily precipitation	39.1 mm (1.5 in)	39 of 100 (Notable)
Greenwood	United States	Record daily precipitation	49.3 mm (1.9 in)	39 of 100 (Notable)
Creston	United States	Record daily precipitation	32.8 mm (1.3 in)	39 of 100 (Notable)
Gleichen	Canada	Record daily precipitation	28.7 mm (1.1 in)	38 of 100 (Notable)
Weissenburg	Germany	Record low maximum temperature	6.1 C (43.0 F)	38 of 100 (Notable)
American Falls 6 NE	United States	Record daily snowfall	15.2 cm (6.0 in)	38 of 100 (Notable)
Oakley	United States	Record daily snowfall	25.4 cm (10.0 in)	38 of 100 (Notable)
Catawba 1 WSW	United States	Record daily precipitation	70.4 mm (2.8 in)	38 of 100 (Notable)
Philippi	United States	Record daily precipitation	29.2 mm (1.1 in)	37 of 100 (Notable)
Dillon AP	United States	Record daily snowfall	10.9 cm (4.3 in)	37 of 100 (Notable)
Cansan?Ao	Brazil	Record daily precipitation	27.5 mm (1.1 in)	36 of 100 (Notable)
Glenns Ferry	United States	Record low maximum temperature	9.4 C (48.9 F)	36 of 100 (Notable)
Vancouver 4 NNE	United States	Record low maximum temperature	8.9 C (48.0 F)	36 of 100 (Notable)
Vale	United States	Record low maximum temperature	11.7 C (53.1 F)	35 of 100 (Notable)
Elko Rgnl AP	United States	Record snow depth	20.3 cm (8.0 in)	35 of 100 (Notable)
Pesqueira	Brazil	Record daily precipitation	72.0 mm (2.8 in)	34 of 100 (Routine)
Leesville	United States	Record daily precipitation	100.1 mm (3.9 in)	34 of 100 (Routine)
Wells	United States	Record daily snowfall	19.3 cm (7.6 in)	34 of 100 (Routine)
Acude Gargalheiras	Brazil	Record daily precipitation	44.8 mm (1.8 in)	33 of 100 (Routine)
Three Hills	Canada	Record daily precipitation	27.2 mm (1.1 in)	33 of 100 (Routine)
Nurnberg	Germany	Record low maximum temperature	7.9 C (46.2 F)	33 of 100 (Routine)
Excelsior (Mun)	South Africa	Record daily precipitation	27.0 mm (1.1 in)	33 of 100 (Routine)
Torrevieja	Spain	Record low minimum temperature	7.0 C (44.6 F)	33 of 100 (Routine)
Ft Hall 1 NNE	United States	Record daily snowfall	7.6 cm (3.0 in)	33 of 100 (Routine)
Aberdeen	United States	Record low maximum temperature	8.9 C (48.0 F)	33 of 100 (Routine)
Lethbridge Cda	Canada	Record daily precipitation	34.5 mm (1.4 in)	32 of 100 (Routine)
Freiburg	Germany	Record low maximum temperature	9.2 C (48.6 F)	32 of 100 (Routine)

Counts by Type and Timescale

683 records

Records set or tied on 4 May 1975 by type: Highest daily maximum 42, Lowest daily maximum 163, Highest daily minimum 37, Lowest daily minimum 73, Heaviest daily rainfall 309, Heaviest daily snowfall 45, Deepest snow cover 14.

Records on 4 May 1975 by type
Record type	Records
Highest daily maximum	42
Lowest daily maximum	163
Highest daily minimum	37
Lowest daily minimum	73
Heaviest daily rainfall	309
Heaviest daily snowfall	45
Deepest snow cover	14

Records on 4 May 1975 by timescale: all-time 1, monthly 47, daily 635.

How Much Records Were Beaten By

575 broken records

Margins by which the 575 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 457.0. Ties are not counted.

Top 20 by Significance

4 May 1975

Top 20 records on 4 May 1975 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
4 May 1975	Lima, US	daily snowfall	30.5 cm (12.0 in)	30.5 cm (12.0 in)	75 years	64 of 100 (Major)
4 May 1975	Parau, BR	all-time rain	138.0 mm (5.4 in)	28.0 mm (1.1 in)	49 years	59 of 100 (Notable)
4 May 1975	Virginia City, US	daily snowfall	25.4 cm (10.0 in)	20.3 cm (8.0 in)	78 years	57 of 100 (Notable)
4 May 1975	Ibapah, US	daily snowfall	15.2 cm (6.0 in)	15.2 cm (6.0 in)	69 years	57 of 100 (Notable)
4 May 1975	Hollister, US	monthly snowfall	24.1 cm (9.5 in)	13.9 cm (5.5 in)	44 years	56 of 100 (Notable)
4 May 1975	Rooijantjiesfontein, ZA	daily rain	26.0 mm (1.0 in)	26.0 mm (1.0 in)	46 years	55 of 100 (Notable)
4 May 1975	Mundo Novo, BR	daily rain	60.0 mm (2.4 in)	40.0 mm (1.6 in)	28 years	54 of 100 (Notable)
4 May 1975	Chemult, US	daily snow depth	45.7 cm (18.0 in)	45.7 cm (18.0 in)	36 years	54 of 100 (Notable)
4 May 1975	Corinne, US	daily snowfall	11.4 cm (4.5 in)	11.4 cm (4.5 in)	75 years	52 of 100 (Notable)
4 May 1975	Hazelton, US	monthly snowfall	20.3 cm (8.0 in)	12.7 cm (5.0 in)	37 years	51 of 100 (Notable)
4 May 1975	Virginia City, US	daily rain	28.4 mm (1.1 in)	15.7 mm (0.6 in)	57 years	51 of 100 (Notable)
4 May 1975	Verkeerdevlei (Pol), ZA	daily rain	33.0 mm (1.3 in)	23.6 mm (0.9 in)	49 years	47 of 100 (Notable)
4 May 1975	Catawba, US	daily rain	63.0 mm (2.5 in)	37.3 mm (1.5 in)	28 years	45 of 100 (Notable)
4 May 1975	Queimadas, BR	daily rain	51.0 mm (2.0 in)	32.0 mm (1.3 in)	40 years	44 of 100 (Notable)
4 May 1975	Milan, IT	daily rain	65.2 mm (2.6 in)	5.0 mm (0.20 in)	115 years	44 of 100 (Notable)
4 May 1975	Lima, US	monthly snow depth	30.5 cm (12.0 in)	10.2 cm (4.0 in)	58 years	44 of 100 (Notable)
4 May 1975	Sonnblick, AT	daily rain	35.6 mm (1.4 in)	13.2 mm (0.5 in)	70 years	43 of 100 (Notable)
4 May 1975	Broaddus, US	daily rain	128.5 mm (5.1 in)	95.2 mm (3.7 in)	8 years	43 of 100 (Notable)
4 May 1975	Fillmore, US	daily snowfall	7.9 cm (3.1 in)	7.9 cm (3.1 in)	72 years	43 of 100 (Notable)
4 May 1975	Buckhannon, US	daily rain	34.3 mm (1.4 in)	14.0 mm (0.6 in)	66 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 683 records.

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

Records on 05-04 in each year
Year	Records
1795	1
1796	1
1820	1
1836	2
1840	1
1847	1
1850	2
1851	2
1852	1
1856	3
1858	1
1859	1
1861	2
1862	1
1864	3
1865	2
1868	3
1869	1
1870	2
1875	1
1877	2
1878	1
1879	1
1880	1
1882	1
1885	1
1886	1
1888	1
1889	4
1890	1
1892	4
1893	3
1894	6
1895	3
1896	3
1897	2
1898	2
1899	2
1900	2
1902	5
1903	8
1904	8
1905	19
1906	5
1907	37
1908	18
1909	13
1910	14
1911	37
1912	12
1913	63
1914	21
1915	75
1916	57
1917	60
1918	30
1919	69
1920	43
1921	62
1922	283
1923	82
1924	88
1925	80
1926	230
1927	112
1928	205
1929	177
1930	269
1931	169
1932	104
1933	274
1934	456
1935	518
1936	313
1937	230
1938	445
1939	295
1940	602
1941	436
1942	820
1943	358
1944	872
1945	654
1946	463
1947	649
1948	578
1949	1,130
1950	953
1951	292
1952	698
1953	389
1954	1,045
1955	471
1956	433
1957	433
1958	414
1959	613
1960	443
1961	466
1962	265
1963	313
1964	570
1965	433
1966	1,113
1967	928
1968	304
1969	377
1970	454
1971	810
1972	364
1973	313
1974	367
1975	683
1976	554
1977	736
1978	1,016
1979	1,529
1980	511
1981	667
1982	591
1983	539
1984	885
1985	821
1986	1,128
1987	1,004
1988	591
1989	743
1990	1,461
1991	1,088
1992	933
1993	791
1994	821
1995	974
1996	1,298
1997	962
1998	898
1999	1,167
2000	1,398
2001	1,345
2002	1,343
2003	1,158
2004	1,341
2005	1,152
2006	650
2007	699
2008	624
2009	727
2010	999
2011	1,023
2012	1,343
2013	1,447
2014	602
2015	622
2016	463
2017	669
2018	972
2019	574
2020	504
2021	616
2022	470
2023	681
2024	885
2025	456
2026	554

Download the Data

Data for records on 1975-05-04: 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	559
100 to 200	12
200 to 300	1
300 to 400	2
400 to 500	1