Weather Records on 31 May 1975

797 weather records were set or tied worldwide on 31 May 1975. Highest significance: Martinsburg E W Virginia Rgnl, US.

Key Facts for 31 May 1975

On 31 May 1975, 797 weather records were set or tied at long-record stations worldwide.
199 were record highs and 428 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 30 monthly and 765 daily.
Martinsburg E W Virginia Rgnl set a daily record precipitation of 90.2 mm (3.6 in) on 31 May 1975.
Across 161 earlier years (1811 to 2026) the same calendar date averaged 435 records.

Record Map

797 stations

797 station records on 31 May 1975 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 31 May 1975: highest significance records shown on the map
Station	Country	Type	Value	Significance
Martinsburg E W Virginia Rgnl	United States	Record daily precipitation	90.2 mm (3.6 in)	69 of 100 (Major)
Coshocton Wpc Plt	United States	Record daily precipitation	43.4 mm (1.7 in)	59 of 100 (Notable)
Peru	United States	Record daily precipitation	45.0 mm (1.8 in)	52 of 100 (Notable)
Ft Benton	United States	Record daily precipitation	37.6 mm (1.5 in)	51 of 100 (Notable)
Rosman	United States	Record daily precipitation	109.7 mm (4.3 in)	51 of 100 (Notable)
Western River	Australia	Record daily precipitation	54.0 mm (2.1 in)	50 of 100 (Notable)
Altamirano (Smn)	Mexico	Record daily precipitation	83.8 mm (3.3 in)	46 of 100 (Notable)
Auburn 2 SSE	United States	Record daily precipitation	26.7 mm (1.1 in)	46 of 100 (Notable)
St Gabriel de Brandon	Canada	Record daily precipitation	35.8 mm (1.4 in)	45 of 100 (Notable)
Catemaco	Mexico	Record daily precipitation	97.3 mm (3.8 in)	43 of 100 (Notable)
Celina	Russia	Record daily precipitation	54.5 mm (2.1 in)	43 of 100 (Notable)
Wharton	United States	Record daily precipitation	130.3 mm (5.1 in)	43 of 100 (Notable)
Newport News Press Bld	United States	Record high minimum temperature	25.6 C (78.1 F)	43 of 100 (Notable)
Tranebjerg	Denmark	Record low maximum temperature	10.4 C (50.7 F)	42 of 100 (Notable)
Brady	United States	Record low maximum temperature	21.1 C (70.0 F)	42 of 100 (Notable)
Mercedes	Uruguay	Record daily precipitation	75.0 mm (3.0 in)	42 of 100 (Notable)
Ocosingo	Mexico	Record daily precipitation	55.9 mm (2.2 in)	41 of 100 (Notable)
Uppsala_Aut	Sweden	Record low maximum temperature	10.4 C (50.7 F)	41 of 100 (Notable)
De Funiak Springs 1 E	United States	Record daily precipitation	158.8 mm (6.3 in)	41 of 100 (Notable)
Bolnisi	Georgia	Record daily precipitation	30.5 mm (1.2 in)	40 of 100 (Notable)
Putbus	Germany	Record low minimum temperature	2.2 C (36.0 F)	40 of 100 (Notable)
Escarcega (Smn)	Mexico	Record daily precipitation	79.0 mm (3.1 in)	40 of 100 (Notable)
Wadesboro	United States	Record daily precipitation	53.6 mm (2.1 in)	40 of 100 (Notable)
Beaver Dam	United States	Record daily precipitation	46.0 mm (1.8 in)	39 of 100 (Notable)
Curral Novo	Brazil	Record daily precipitation	72.3 mm (2.8 in)	38 of 100 (Notable)
Montelimar	France	Record daily precipitation	50.8 mm (2.0 in)	38 of 100 (Notable)
Freiburg	Germany	Record low maximum temperature	11.0 C (51.8 F)	37 of 100 (Notable)
Baia Mare	Romania	Record high minimum temperature	12.3 C (54.1 F)	37 of 100 (Notable)
Svetlograd	Russia	Record daily precipitation	60.0 mm (2.4 in)	37 of 100 (Notable)
Boras	Sweden	Record low maximum temperature	8.5 C (47.3 F)	37 of 100 (Notable)
Schwerin	Germany	Record low minimum temperature	1.0 C (33.8 F)	36 of 100 (Notable)
San Ildelfonso Villa Alta	Mexico	Record daily precipitation	71.9 mm (2.8 in)	36 of 100 (Notable)
Medicine Lodge	United States	Record low minimum temperature	5.0 C (41.0 F)	36 of 100 (Notable)
Chambersburg 1 ESE	United States	Record daily precipitation	61.0 mm (2.4 in)	36 of 100 (Notable)
Port Stanley	Canada	Record high minimum temperature	16.1 C (61.0 F)	35 of 100 (Notable)
Galway	Ireland	Record low minimum temperature	3.6 C (38.5 F)	35 of 100 (Notable)
Karlsruhe	Germany	Record low maximum temperature	12.2 C (54.0 F)	35 of 100 (Notable)
Altastenberg	Germany	Record low minimum temperature	-1.3 C (29.7 F)	35 of 100 (Notable)
San Andres	Mexico	Record daily precipitation	75.9 mm (3.0 in)	35 of 100 (Notable)
Sheffield	United Kingdom	Record low minimum temperature	2.8 C (37.0 F)	35 of 100 (Notable)
Morris River	United States	Record daily precipitation	58.9 mm (2.3 in)	35 of 100 (Notable)
Sherman	United States	Record low minimum temperature	10.0 C (50.0 F)	35 of 100 (Notable)
Schwerin	Germany	Record low maximum temperature	11.2 C (52.2 F)	34 of 100 (Routine)
Malvern	United Kingdom	Record low minimum temperature	2.2 C (36.0 F)	34 of 100 (Routine)
Newton	United States	Record daily precipitation	70.6 mm (2.8 in)	34 of 100 (Routine)
Mattoon	United States	Record low maximum temperature	17.2 C (63.0 F)	34 of 100 (Routine)
Dillon	United States	Record daily precipitation	48.5 mm (1.9 in)	34 of 100 (Routine)
Fredericksburg	United States	Record low minimum temperature	10.6 C (51.1 F)	34 of 100 (Routine)
Sonora	United States	Record low minimum temperature	8.3 C (46.9 F)	34 of 100 (Routine)
Fichtelberg	Germany	Record low maximum temperature	3.3 C (37.9 F)	33 of 100 (Routine)
Bridgeville 1 NW	United States	Record high minimum temperature	21.1 C (70.0 F)	33 of 100 (Routine)
McPherson	United States	Record low minimum temperature	4.4 C (39.9 F)	33 of 100 (Routine)
Marlow 1 WSW	United States	Record low minimum temperature	7.8 C (46.0 F)	33 of 100 (Routine)
Corsicana	United States	Record low maximum temperature	23.3 C (73.9 F)	33 of 100 (Routine)
Landsburg	United States	Record high minimum temperature	14.4 C (57.9 F)	33 of 100 (Routine)
Elkins- Randolph Co AP	United States	Record daily precipitation	37.3 mm (1.5 in)	33 of 100 (Routine)
Youngstown-Warren Rgnl AP	United States	Record daily precipitation	49.0 mm (1.9 in)	33 of 100 (Routine)
Parndana (Pioneer Bend)	Australia	Record daily precipitation	28.4 mm (1.1 in)	32 of 100 (Routine)
Quatsino	Canada	Record high maximum temperature	26.1 C (79.0 F)	32 of 100 (Routine)
Arnsberg	Germany	Record low minimum temperature	1.5 C (34.7 F)	32 of 100 (Routine)

Counts by Type and Timescale

797 records

Records set or tied on 31 May 1975 by type: Highest daily maximum 57, Lowest daily maximum 148, Highest daily minimum 142, Lowest daily minimum 280, Heaviest daily rainfall 163, Heaviest daily snowfall 1, Deepest snow cover 6.

Records on 31 May 1975 by type
Record type	Records
Highest daily maximum	57
Lowest daily maximum	148
Highest daily minimum	142
Lowest daily minimum	280
Heaviest daily rainfall	163
Heaviest daily snowfall	1
Deepest snow cover	6

Records on 31 May 1975 by timescale: all-time 2, monthly 30, daily 765.

How Much Records Were Beaten By

619 broken records

Margins by which the 619 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 406.0. Ties are not counted.

Top 20 by Significance

31 May 1975

Top 20 records on 31 May 1975 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
31 May 1975	Martinsburg E W Virginia Rgnl, US	daily rain	90.2 mm (3.6 in)	50.8 mm (2.0 in)	72 years	69 of 100 (Major)
31 May 1975	Coshocton Wpc Plt, US	daily rain	43.4 mm (1.7 in)	32.0 mm (1.3 in)	65 years	59 of 100 (Notable)
31 May 1975	Peru, US	daily rain	45.0 mm (1.8 in)	33.6 mm (1.3 in)	32 years	52 of 100 (Notable)
31 May 1975	Ft Benton, US	daily rain	37.6 mm (1.5 in)	16.3 mm (0.6 in)	77 years	51 of 100 (Notable)
31 May 1975	Rosman, US	daily rain	109.7 mm (4.3 in)	82.0 mm (3.2 in)	25 years	51 of 100 (Notable)
31 May 1975	Western River, AU	monthly rain	54.0 mm (2.1 in)	20.0 mm (0.8 in)	19 years	50 of 100 (Notable)
31 May 1975	Altamirano (Smn), MX	daily rain	83.8 mm (3.3 in)	56.1 mm (2.2 in)	10 years	46 of 100 (Notable)
31 May 1975	Auburn 2 SSE, US	daily rain	26.7 mm (1.1 in)	20.6 mm (0.8 in)	66 years	46 of 100 (Notable)
31 May 1975	St Gabriel de Brandon, CA	daily rain	35.8 mm (1.4 in)	19.8 mm (0.8 in)	49 years	45 of 100 (Notable)
31 May 1975	Catemaco, MX	monthly rain	97.3 mm (3.8 in)	29.5 mm (1.2 in)	21 years	43 of 100 (Notable)
31 May 1975	Celina, RU	monthly rain	54.5 mm (2.1 in)	13.5 mm (0.5 in)	32 years	43 of 100 (Notable)
31 May 1975	Wharton, US	daily rain	130.3 mm (5.1 in)	85.1 mm (3.4 in)	4 years	43 of 100 (Notable)
31 May 1975	Newport News Press Bld, US	monthly high min	25.6 C (78.1 F)	1.7 C (3.1 F)	75 years	43 of 100 (Notable)
31 May 1975	Tranebjerg, DK	daily low max	10.4 C (50.7 F)	0.8 C (1.4 F)	101 years	42 of 100 (Notable)
31 May 1975	Brady, US	daily low max	21.1 C (70.0 F)	4.5 C (8.1 F)	80 years	42 of 100 (Notable)
31 May 1975	Mercedes, UY	daily rain	75.0 mm (3.0 in)	54.0 mm (2.1 in)	17 years	42 of 100 (Notable)
31 May 1975	Ocosingo, MX	daily rain	55.9 mm (2.2 in)	38.1 mm (1.5 in)	28 years	41 of 100 (Notable)
31 May 1975	Uppsala_Aut, SE	daily low max	10.4 C (50.7 F)	0.6 C (1.1 F)	111 years	41 of 100 (Notable)
31 May 1975	De Funiak Springs 1 E, US	monthly rain	158.8 mm (6.3 in)	11.5 mm (0.5 in)	60 years	41 of 100 (Notable)
31 May 1975	Bolnisi, GE	daily rain	30.5 mm (1.2 in)	22.5 mm (0.9 in)	26 years	40 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

1811 to 1975

Records set or tied on this calendar date in each year from 1811 to 1975. 1975 had 797 records.

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

Records on 05-31 in each year
Year	Records
1811	1
1818	3
1827	1
1836	2
1845	1
1847	1
1853	2
1855	2
1858	1
1864	2
1865	1
1866	1
1867	1
1868	4
1869	1
1871	2
1873	3
1874	1
1877	1
1878	2
1879	2
1880	3
1882	1
1883	1
1885	1
1888	1
1889	2
1890	1
1892	1
1893	4
1894	2
1895	8
1897	5
1898	7
1899	1
1900	2
1901	9
1902	9
1903	17
1904	19
1905	7
1906	11
1907	20
1908	12
1909	8
1910	26
1911	20
1912	15
1913	83
1914	20
1915	23
1916	23
1917	13
1918	20
1919	44
1920	46
1921	157
1922	49
1923	98
1924	152
1925	226
1926	228
1927	121
1928	67
1929	246
1930	612
1931	223
1932	181
1933	397
1934	782
1935	156
1936	559
1937	462
1938	424
1939	461
1940	383
1941	410
1942	364
1943	552
1944	372
1945	457
1946	380
1947	439
1948	295
1949	303
1950	467
1951	640
1952	374
1953	654
1954	445
1955	534
1956	632
1957	304
1958	429
1959	459
1960	247
1961	472
1962	565
1963	354
1964	1,237
1965	494
1966	601
1967	987
1968	276
1969	555
1970	573
1971	714
1972	1,127
1973	418
1974	473
1975	797
1976	435
1977	605
1978	873
1979	915
1980	517
1981	775
1982	817
1983	1,494
1984	2,047
1985	790
1986	1,365
1987	822
1988	1,255
1989	912
1990	900
1991	1,381
1992	1,031
1993	982
1994	776
1995	693
1996	946
1997	1,163
1998	1,215
1999	790
2000	1,172
2001	1,047
2002	1,162
2003	831
2004	1,071
2005	724
2006	1,045
2007	793
2008	809
2009	570
2010	741
2011	1,498
2012	764
2013	1,100
2014	565
2015	704
2016	402
2017	440
2018	1,211
2019	420
2020	673
2021	834
2022	902
2023	454
2024	809
2025	1,204
2026	536

Download the Data

Data for records on 1975-05-31: 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	618
100 to 200	0
200 to 300	0
300 to 400	0
400 to 500	1