Weather Records on 11 May 1975

383 weather records were set or tied worldwide on 11 May 1975. Highest significance: Wilbur, US.

Key Facts for 11 May 1975

On 11 May 1975, 383 weather records were set or tied at long-record stations worldwide.
176 were record highs and 43 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 3 monthly and 379 daily.
Wilbur set a daily record precipitation of 34.0 mm (1.3 in) on 11 May 1975.
Across 156 earlier years (1814 to 2026) the same calendar date averaged 464 records.

Record Map

383 stations

383 station records on 11 May 1975 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 11 May 1975: highest significance records shown on the map
Station	Country	Type	Value	Significance
Wilbur	United States	Record daily precipitation	34.0 mm (1.3 in)	57 of 100 (Notable)
Hechingen	Germany	Record daily precipitation	55.4 mm (2.2 in)	56 of 100 (Notable)
Mercedes	Uruguay	Record daily precipitation	134.0 mm (5.3 in)	55 of 100 (Notable)
Pearl	United States	Record daily precipitation	91.4 mm (3.6 in)	53 of 100 (Notable)
Balmorhea	United States	Record daily precipitation	61.2 mm (2.4 in)	47 of 100 (Notable)
Pointe Au Pere	Canada	Record high minimum temperature	10.6 C (51.1 F)	46 of 100 (Notable)
Godeberg	Sweden	Record daily precipitation	28.1 mm (1.1 in)	39 of 100 (Notable)
Sveg	Sweden	Record high minimum temperature	7.9 C (46.2 F)	38 of 100 (Notable)
Nespelem 2 S	United States	Record daily precipitation	35.3 mm (1.4 in)	38 of 100 (Notable)
Stiege	Germany	Record daily precipitation	30.9 mm (1.2 in)	36 of 100 (Notable)
Oestersund-Froesoen	Sweden	Record high minimum temperature	8.0 C (46.4 F)	36 of 100 (Notable)
Gogland	Russia	Record high minimum temperature	11.3 C (52.3 F)	35 of 100 (Notable)
Quedlinburg	Germany	Record daily precipitation	26.1 mm (1.0 in)	34 of 100 (Routine)
Plains	United States	Record daily precipitation	49.8 mm (2.0 in)	34 of 100 (Routine)
Alta 1 NNW	United States	Record snow depth	50.8 cm (20.0 in)	34 of 100 (Routine)
Cointzio	Mexico	Record low maximum temperature	19.4 C (66.9 F)	31 of 100 (Routine)
Cuautla (Smn)	Mexico	Record low maximum temperature	21.7 C (71.1 F)	31 of 100 (Routine)
Junsele	Sweden	Record high minimum temperature	9.0 C (48.2 F)	31 of 100 (Routine)
St. Petersburg	Russia	Record high minimum temperature	14.8 C (58.6 F)	30 of 100 (Routine)
Bomnak	Russia	Record high minimum temperature	12.7 C (54.9 F)	30 of 100 (Routine)
Pitea	Sweden	Record high minimum temperature	7.9 C (46.2 F)	30 of 100 (Routine)
Tartu	Estonia	Record high minimum temperature	13.9 C (57.0 F)	29 of 100 (Routine)
Perpignan	France	Record daily precipitation	32.1 mm (1.3 in)	29 of 100 (Routine)
Hebgen Dam	United States	Record snow depth	63.5 cm (25.0 in)	29 of 100 (Routine)
Hobbs	United States	Record daily precipitation	57.2 mm (2.3 in)	29 of 100 (Routine)
University Exp STN	United States	Record high maximum temperature	26.7 C (80.1 F)	29 of 100 (Routine)
Imaculada	Brazil	Record daily precipitation	60.0 mm (2.4 in)	28 of 100 (Routine)
Tartu-Toravere	Estonia	Record high minimum temperature	13.8 C (56.8 F)	27 of 100 (Routine)
Henichesk	Ukraine	Record high minimum temperature	17.5 C (63.5 F)	27 of 100 (Routine)
Primghar	United States	Record daily precipitation	38.9 mm (1.5 in)	27 of 100 (Routine)
Quilcene 2 SW	United States	Record daily precipitation	35.8 mm (1.4 in)	27 of 100 (Routine)
Huejotzingo	Mexico	Record low maximum temperature	18.9 C (66.0 F)	26 of 100 (Routine)
Mogoca	Russia	Record high minimum temperature	6.8 C (44.2 F)	26 of 100 (Routine)
Omak 4 N	United States	Record daily precipitation	25.9 mm (1.0 in)	26 of 100 (Routine)
La Pocatiere Cda	Canada	Record high minimum temperature	7.2 C (45.0 F)	25 of 100 (Routine)
Kem-Port	Russia	Record high maximum temperature	25.5 C (77.9 F)	25 of 100 (Routine)
Viljujsk	Russia	Record high minimum temperature	5.1 C (41.2 F)	24 of 100 (Routine)
Bomnak	Russia	Record high maximum temperature	27.5 C (81.5 F)	24 of 100 (Routine)
Chernjaevo	Russia	Record high minimum temperature	10.9 C (51.6 F)	24 of 100 (Routine)
Fazenda Porcos	Brazil	Record daily precipitation	48.3 mm (1.9 in)	23 of 100 (Routine)
Mayo A	Canada	Record high maximum temperature	23.3 C (73.9 F)	23 of 100 (Routine)
Tacambaro	Mexico	Record low maximum temperature	20.0 C (68.0 F)	23 of 100 (Routine)
Britt 3E	United States	Record daily precipitation	44.5 mm (1.8 in)	23 of 100 (Routine)
Brady	United States	Record daily precipitation	50.8 mm (2.0 in)	23 of 100 (Routine)
Dawson	Canada	Record high maximum temperature	25.0 C (77.0 F)	22 of 100 (Routine)
Narva	Estonia	Record high maximum temperature	25.1 C (77.2 F)	22 of 100 (Routine)
Montelimar	France	Record low maximum temperature	12.8 C (55.0 F)	22 of 100 (Routine)
Ciudad Hidalgo (Smn)	Mexico	Record low maximum temperature	17.8 C (64.0 F)	22 of 100 (Routine)
Gaddede	Sweden	Record high minimum temperature	9.3 C (48.7 F)	22 of 100 (Routine)
Vasilevici	Belarus	Record high maximum temperature	27.9 C (82.2 F)	21 of 100 (Routine)
Brocken	Germany	Record daily precipitation	28.6 mm (1.1 in)	21 of 100 (Routine)
Irapuato	Mexico	Record low minimum temperature	11.1 C (52.0 F)	21 of 100 (Routine)
Gallivare_A	Sweden	Record high minimum temperature	6.7 C (44.1 F)	21 of 100 (Routine)
Fairbanks Intl AP	United States	Record high maximum temperature	26.7 C (80.1 F)	21 of 100 (Routine)
Fairbanks Intl AP	United States	Record high minimum temperature	10.0 C (50.0 F)	21 of 100 (Routine)
Plain	United States	Record daily precipitation	24.9 mm (1.0 in)	20 of 100 (Routine)
Twistetal-Muhlhausen	Germany	Record daily precipitation	23.1 mm (0.9 in)	20 of 100 (Routine)
Harrington 5 S	United States	Record daily precipitation	20.6 mm (0.8 in)	20 of 100 (Routine)
Chara	Russia	Record daily precipitation	22.6 mm (0.9 in)	20 of 100 (Routine)
Darke Peak	Australia	Record daily precipitation	13.6 mm (0.5 in)	20 of 100 (Routine)

Counts by Type and Timescale

383 records

Records set or tied on 11 May 1975 by type: Highest daily maximum 77, Lowest daily maximum 34, Highest daily minimum 99, Lowest daily minimum 9, Heaviest daily rainfall 158, Deepest snow cover 6.

Records on 11 May 1975 by type
Record type	Records
Highest daily maximum	77
Lowest daily maximum	34
Highest daily minimum	99
Lowest daily minimum	9
Heaviest daily rainfall	158
Heaviest daily snowfall	0
Deepest snow cover	6

Records on 11 May 1975 by timescale: all-time 1, monthly 3, daily 379.

How Much Records Were Beaten By

323 broken records

Margins by which the 323 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 432.0. Ties are not counted.

Top 20 by Significance

11 May 1975

Top 20 records on 11 May 1975 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
11 May 1975	Wilbur, US	daily rain	34.0 mm (1.3 in)	14.4 mm (0.6 in)	82 years	57 of 100 (Notable)
11 May 1975	Hechingen, DE	daily rain	55.4 mm (2.2 in)	35.8 mm (1.4 in)	41 years	56 of 100 (Notable)
11 May 1975	Mercedes, UY	daily rain	134.0 mm (5.3 in)	98.0 mm (3.9 in)	38 years	55 of 100 (Notable)
11 May 1975	Pearl, US	daily rain	91.4 mm (3.6 in)	76.2 mm (3.0 in)	20 years	53 of 100 (Notable)
11 May 1975	Balmorhea, US	daily rain	61.2 mm (2.4 in)	50.8 mm (2.0 in)	6 years	47 of 100 (Notable)
11 May 1975	Pointe Au Pere, CA	daily high min	10.6 C (51.1 F)	4.5 C (8.1 F)	72 years	46 of 100 (Notable)
11 May 1975	Godeberg, SE	daily rain	28.1 mm (1.1 in)	14.7 mm (0.6 in)	17 years	39 of 100 (Notable)
11 May 1975	Sveg, SE	daily high min	7.9 C (46.2 F)	0.9 C (1.6 F)	91 years	38 of 100 (Notable)
11 May 1975	Nespelem 2 S, US	daily rain	35.3 mm (1.4 in)	14.7 mm (0.6 in)	20 years	38 of 100 (Notable)
11 May 1975	Stiege, DE	daily rain	30.9 mm (1.2 in)	18.2 mm (0.7 in)	6 years	36 of 100 (Notable)
11 May 1975	Oestersund-Froesoen, SE	daily high min	8.0 C (46.4 F)	1.5 C (2.7 F)	79 years	36 of 100 (Notable)
11 May 1975	Gogland, RU	daily high min	11.3 C (52.3 F)	3.4 C (6.1 F)	61 years	35 of 100 (Notable)
11 May 1975	Quedlinburg, DE	daily rain	26.1 mm (1.0 in)	16.6 mm (0.7 in)	6 years	34 of 100 (Routine)
11 May 1975	Plains, US	daily rain	49.8 mm (2.0 in)	27.2 mm (1.1 in)	17 years	34 of 100 (Routine)
11 May 1975	Alta 1 NNW, US	daily snow depth	50.8 cm (20.0 in)	43.2 cm (17.0 in)	4 years	34 of 100 (Routine)
11 May 1975	Cointzio, MX	daily low max	19.4 C (66.9 F)	6.7 C (12.1 F)	20 years	31 of 100 (Routine)
11 May 1975	Cuautla (Smn), MX	monthly low max	21.7 C (71.1 F)	3.9 C (7.0 F)	18 years	31 of 100 (Routine)
11 May 1975	Junsele, SE	daily high min	9.0 C (48.2 F)	1.0 C (1.8 F)	73 years	31 of 100 (Routine)
11 May 1975	St. Petersburg, RU	daily high min	14.8 C (58.6 F)	0.6 C (1.1 F)	68 years	30 of 100 (Routine)
11 May 1975	Bomnak, RU	daily high min	12.7 C (54.9 F)	8.2 C (14.8 F)	8 years	30 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

1814 to 1975

Records set or tied on this calendar date in each year from 1814 to 1975. 1975 had 383 records.

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

Records on 05-11 in each year
Year	Records
1814	3
1832	1
1836	3
1837	1
1838	1
1848	2
1856	1
1860	2
1865	1
1867	1
1869	1
1872	1
1874	2
1879	2
1880	1
1881	5
1883	3
1884	2
1885	1
1886	2
1887	1
1888	1
1889	2
1892	1
1893	3
1894	2
1895	4
1896	3
1897	6
1898	5
1900	7
1901	9
1902	6
1903	7
1904	6
1905	12
1906	21
1907	44
1908	9
1909	12
1910	16
1911	99
1912	21
1913	20
1914	20
1915	16
1916	22
1917	40
1918	54
1919	56
1920	181
1921	58
1922	61
1923	111
1924	239
1925	410
1926	472
1927	318
1928	252
1929	126
1930	380
1931	254
1932	170
1933	429
1934	332
1935	276
1936	363
1937	170
1938	141
1939	213
1940	340
1941	411
1942	389
1943	646
1944	408
1945	483
1946	747
1947	480
1948	407
1949	451
1950	285
1951	395
1952	629
1953	686
1954	492
1955	235
1956	942
1957	439
1958	499
1959	575
1960	809
1961	663
1962	670
1963	984
1964	299
1965	356
1966	992
1967	974
1968	909
1969	349
1970	764
1971	565
1972	673
1973	429
1974	795
1975	383
1976	509
1977	836
1978	1,070
1979	1,239
1980	693
1981	1,298
1982	624
1983	930
1984	666
1985	835
1986	684
1987	1,247
1988	485
1989	952
1990	935
1991	990
1992	728
1993	1,088
1994	633
1995	1,244
1996	1,088
1997	1,033
1998	1,315
1999	1,052
2000	1,286
2001	848
2002	845
2003	1,321
2004	834
2005	944
2006	822
2007	833
2008	1,015
2009	605
2010	1,292
2011	1,414
2012	1,181
2013	615
2014	662
2015	1,038
2016	497
2017	546
2018	988
2019	915
2020	1,068
2021	590
2022	1,470
2023	390
2024	579
2025	1,104
2026	797

Download the Data

Data for records on 1975-05-11: 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).

Histogram of margins by which records were beaten on 11 May 1975
Margin	Records
0 to 100	318
100 to 200	3
200 to 300	0
300 to 400	1
400 to 500	1