Weather Records on 7 August 1975

1,177 weather records were set or tied worldwide on 7 August 1975. Highest significance: Treherne, CA.

Key Facts for 7 August 1975

On 7 August 1975, 1,177 weather records were set or tied at long-record stations worldwide.
425 were record highs and 550 were record lows, counting maximum and minimum temperature.
By timescale, 20 were all-time records, 62 monthly and 1,095 daily.
Treherne set a daily record precipitation of 37.1 mm (1.5 in) on 7 August 1975.
Across 163 earlier years (1808 to 2026) the same calendar date averaged 466 records.

Record Map

1,177 stations

1,177 station records on 7 August 1975 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 7 August 1975: highest significance records shown on the map
Station	Country	Type	Value	Significance
Treherne	Canada	Record daily precipitation	37.1 mm (1.5 in)	56 of 100 (Notable)
Minnedosa	Canada	Record daily precipitation	42.4 mm (1.7 in)	55 of 100 (Notable)
Birtle	Canada	Record daily precipitation	36.1 mm (1.4 in)	53 of 100 (Notable)
Cypress River	Canada	Record daily precipitation	52.1 mm (2.1 in)	49 of 100 (Notable)
Sosnovo-Ozerskoe	Russia	Record daily precipitation	48.0 mm (1.9 in)	49 of 100 (Notable)
Bartow 1SE	United States	Record low minimum temperature	17.2 C (63.0 F)	48 of 100 (Notable)
Virden	Canada	Record daily precipitation	56.1 mm (2.2 in)	45 of 100 (Notable)
Bjarka-Saby	Sweden	Record high minimum temperature	22.6 C (72.7 F)	44 of 100 (Notable)
Ninette	Canada	Record daily precipitation	48.8 mm (1.9 in)	43 of 100 (Notable)
Karlshamn	Sweden	Record high maximum temperature	30.7 C (87.3 F)	42 of 100 (Notable)
Uppsala_Aut	Sweden	Record high maximum temperature	32.9 C (91.2 F)	42 of 100 (Notable)
Cet Central England	United Kingdom	Record high maximum temperature	31.1 C (88.0 F)	42 of 100 (Notable)
Oxford	United Kingdom	Record high maximum temperature	32.9 C (91.2 F)	42 of 100 (Notable)
Rockport 1 ESE	United States	Record daily precipitation	45.7 mm (1.8 in)	42 of 100 (Notable)
Mt Morris 2W	United States	Record low maximum temperature	16.1 C (61.0 F)	42 of 100 (Notable)
Jonkoping	Sweden	Record high maximum temperature	31.4 C (88.5 F)	41 of 100 (Notable)
Bolivar	United States	Record low maximum temperature	16.1 C (61.0 F)	41 of 100 (Notable)
Graham 2 ENE	United States	Record daily precipitation	64.5 mm (2.5 in)	41 of 100 (Notable)
Koebenhavn: Landbohojskolen-1	Denmark	Record high maximum temperature	32.1 C (89.8 F)	40 of 100 (Notable)
Grafton	United States	Record low maximum temperature	16.1 C (61.0 F)	40 of 100 (Notable)
Barra Do Capinzal	Brazil	Record daily precipitation	32.2 mm (1.3 in)	39 of 100 (Notable)
Hamiota	Canada	Record daily precipitation	38.1 mm (1.5 in)	39 of 100 (Notable)
Lagos de Moreno (Dge)	Mexico	Record daily precipitation	47.8 mm (1.9 in)	39 of 100 (Notable)
Cedral	Mexico	Record daily precipitation	47.8 mm (1.9 in)	39 of 100 (Notable)
Ny City Cntrl Park	United States	Record low maximum temperature	17.8 C (64.0 F)	39 of 100 (Notable)
Usina Sao Jose	Brazil	Record daily precipitation	45.3 mm (1.8 in)	38 of 100 (Notable)
Oestersund-Froesoen	Sweden	Record high maximum temperature	29.2 C (84.6 F)	38 of 100 (Notable)
Stora_Segerstad	Sweden	Record high maximum temperature	33.6 C (92.5 F)	38 of 100 (Notable)
Olands Norra Udde	Sweden	Record high minimum temperature	22.0 C (71.6 F)	38 of 100 (Notable)
Cape May 2 NW	United States	Record low maximum temperature	22.2 C (72.0 F)	38 of 100 (Notable)
Franklinville	United States	Record low maximum temperature	15.6 C (60.1 F)	38 of 100 (Notable)
Sete Barras	Brazil	Record daily precipitation	30.7 mm (1.2 in)	37 of 100 (Notable)
Teziutlan	Mexico	Record low maximum temperature	13.9 C (57.0 F)	37 of 100 (Notable)
Den Helder-1	Netherlands	Record high maximum temperature	30.8 C (87.4 F)	37 of 100 (Notable)
Sheffield	United Kingdom	Record high maximum temperature	32.6 C (90.7 F)	37 of 100 (Notable)
Austin #2	United States	Record low minimum temperature	5.0 C (41.0 F)	37 of 100 (Notable)
Windham 3 E	United States	Record daily precipitation	33.8 mm (1.3 in)	37 of 100 (Notable)
Manti	United States	Record high minimum temperature	18.3 C (64.9 F)	37 of 100 (Notable)
Lessebo	Sweden	Record high maximum temperature	36.4 C (97.5 F)	36 of 100 (Notable)
Franklin 3 NW	United States	Record low minimum temperature	19.4 C (66.9 F)	36 of 100 (Notable)
Manistique Wwtp	United States	Record low minimum temperature	3.9 C (39.0 F)	36 of 100 (Notable)
Nashua 2 NNW	United States	Record daily precipitation	29.0 mm (1.1 in)	36 of 100 (Notable)
Hatch	United States	Record low minimum temperature	11.1 C (52.0 F)	36 of 100 (Notable)
Wisconsin Rapids	United States	Record low minimum temperature	4.4 C (39.9 F)	36 of 100 (Notable)
Bowling Green Warren Co AP	United States	Record low maximum temperature	26.1 C (79.0 F)	36 of 100 (Notable)
Deloraine	Canada	Record daily precipitation	44.5 mm (1.8 in)	35 of 100 (Notable)
Koebenhavn: Landbohojskolen-1	Denmark	Record high minimum temperature	18.6 C (65.5 F)	35 of 100 (Notable)
Malvern	United Kingdom	Record high maximum temperature	32.4 C (90.3 F)	35 of 100 (Notable)
Santa Cruz	United States	Record high maximum temperature	33.9 C (93.0 F)	35 of 100 (Notable)
Elkader 6 SSW	United States	Record low minimum temperature	2.8 C (37.0 F)	35 of 100 (Notable)
Frankfort Downtown	United States	Record low maximum temperature	23.9 C (75.0 F)	35 of 100 (Notable)
Greenville	United States	Record low maximum temperature	22.8 C (73.0 F)	35 of 100 (Notable)
Moab	United States	Record high minimum temperature	23.9 C (75.0 F)	35 of 100 (Notable)
Marshfield Exp Farm	United States	Record low minimum temperature	1.7 C (35.1 F)	35 of 100 (Notable)
Itapeuna	Brazil	Record daily precipitation	42.5 mm (1.7 in)	34 of 100 (Routine)
Brandon Cda	Canada	Record daily precipitation	89.4 mm (3.5 in)	34 of 100 (Routine)
Svalov	Sweden	Record high maximum temperature	34.5 C (94.1 F)	34 of 100 (Routine)
Blankastrom	Sweden	Record high maximum temperature	33.8 C (92.8 F)	34 of 100 (Routine)
Vastervik	Sweden	Record high maximum temperature	33.6 C (92.5 F)	34 of 100 (Routine)
Rothamsted	United Kingdom	Record high maximum temperature	31.8 C (89.2 F)	34 of 100 (Routine)

Counts by Type and Timescale

1,177 records

Records set or tied on 7 August 1975 by type: Highest daily maximum 250, Lowest daily maximum 269, Highest daily minimum 175, Lowest daily minimum 281, Heaviest daily rainfall 202.

Records on 7 August 1975 by type
Record type	Records
Highest daily maximum	250
Lowest daily maximum	269
Highest daily minimum	175
Lowest daily minimum	281
Heaviest daily rainfall	202
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 7 August 1975 by timescale: all-time 20, monthly 62, daily 1,095.

How Much Records Were Beaten By

933 broken records

Margins by which the 933 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 36.9. Ties are not counted.

Top 20 by Significance

7 August 1975

Top 20 records on 7 August 1975 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
7 August 1975	Treherne, CA	daily rain	37.1 mm (1.5 in)	17.8 mm (0.7 in)	83 years	56 of 100 (Notable)
7 August 1975	Minnedosa, CA	daily rain	42.4 mm (1.7 in)	16.5 mm (0.6 in)	83 years	55 of 100 (Notable)
7 August 1975	Birtle, CA	daily rain	36.1 mm (1.4 in)	19.6 mm (0.8 in)	89 years	53 of 100 (Notable)
7 August 1975	Cypress River, CA	daily rain	52.1 mm (2.1 in)	26.7 mm (1.1 in)	52 years	49 of 100 (Notable)
7 August 1975	Sosnovo-Ozerskoe, RU	daily rain	48.0 mm (1.9 in)	30.1 mm (1.2 in)	18 years	49 of 100 (Notable)
7 August 1975	Bartow 1SE, US	daily low min	17.2 C (63.0 F)	2.8 C (5.0 F)	60 years	48 of 100 (Notable)
7 August 1975	Virden, CA	daily rain	56.1 mm (2.2 in)	21.8 mm (0.9 in)	52 years	45 of 100 (Notable)
7 August 1975	Bjarka-Saby, SE	all-time high min	22.6 C (72.7 F)	3.6 C (6.5 F)	29 years	44 of 100 (Notable)
7 August 1975	Ninette, CA	daily rain	48.8 mm (1.9 in)	28.0 mm (1.1 in)	30 years	43 of 100 (Notable)
7 August 1975	Karlshamn, SE	monthly high max	30.7 C (87.3 F)	0.7 C (1.3 F)	71 years	42 of 100 (Notable)
7 August 1975	Uppsala_Aut, SE	daily high max	32.9 C (91.2 F)	1.1 C (2.0 F)	128 years	42 of 100 (Notable)
7 August 1975	Cet Central England, GB	daily high max	31.1 C (88.0 F)	1.9 C (3.4 F)	90 years	42 of 100 (Notable)
7 August 1975	Oxford, GB	daily high max	32.9 C (91.2 F)	1.8 C (3.2 F)	90 years	42 of 100 (Notable)
7 August 1975	Rockport 1 ESE, US	daily rain	45.7 mm (1.8 in)	21.6 mm (0.9 in)	66 years	42 of 100 (Notable)
7 August 1975	Mt Morris 2W, US	monthly low max	16.1 C (61.0 F)	0.6 C (1.1 F)	76 years	42 of 100 (Notable)
7 August 1975	Jonkoping, SE	daily high max	31.4 C (88.5 F)	2.9 C (5.2 F)	77 years	41 of 100 (Notable)
7 August 1975	Bolivar, US	daily low max	16.1 C (61.0 F)	4.5 C (8.1 F)	72 years	41 of 100 (Notable)
7 August 1975	Graham 2 ENE, US	daily rain	64.5 mm (2.5 in)	35.3 mm (1.4 in)	42 years	41 of 100 (Notable)
7 August 1975	Koebenhavn: Landbohojskolen-1, DK	monthly high max	32.1 C (89.8 F)	0.5 C (0.9 F)	63 years	40 of 100 (Notable)
7 August 1975	Grafton, US	daily low max	16.1 C (61.0 F)	5.0 C (9.0 F)	66 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

1808 to 1975

Records set or tied on this calendar date in each year from 1808 to 1975. 1975 had 1,177 records.

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

Records on 08-07 in each year
Year	Records
1808	1
1812	1
1815	1
1816	1
1817	1
1833	2
1844	1
1845	1
1848	1
1857	3
1858	1
1859	2
1861	1
1866	1
1868	1
1869	3
1870	2
1875	1
1876	5
1879	1
1880	2
1882	1
1883	1
1884	2
1886	1
1887	2
1888	5
1889	2
1891	3
1892	3
1893	1
1894	1
1895	7
1896	2
1897	2
1898	4
1899	1
1900	6
1901	3
1902	5
1903	17
1904	8
1905	8
1906	9
1907	10
1908	13
1909	11
1910	1
1911	36
1912	31
1913	39
1914	24
1915	40
1916	50
1917	21
1918	108
1919	36
1920	36
1921	55
1922	61
1923	101
1924	128
1925	81
1926	115
1927	109
1928	188
1929	181
1930	486
1931	357
1932	249
1933	310
1934	608
1935	507
1936	286
1937	446
1938	568
1939	561
1940	271
1941	305
1942	340
1943	601
1944	332
1945	882
1946	500
1947	461
1948	756
1949	587
1950	541
1951	562
1952	556
1953	378
1954	589
1955	536
1956	321
1957	868
1958	571
1959	356
1960	344
1961	356
1962	718
1963	522
1964	446
1965	552
1966	400
1967	701
1968	600
1969	523
1970	652
1971	969
1972	1,172
1973	568
1974	746
1975	1,177
1976	1,168
1977	617
1978	1,210
1979	559
1980	871
1981	855
1982	727
1983	1,207
1984	840
1985	1,088
1986	544
1987	1,146
1988	897
1989	1,472
1990	1,625
1991	1,217
1992	1,236
1993	1,040
1994	1,262
1995	1,521
1996	1,107
1997	1,460
1998	1,183
1999	950
2000	871
2001	1,386
2002	907
2003	1,244
2004	1,400
2005	882
2006	923
2007	1,309
2008	918
2009	1,121
2010	1,098
2011	1,282
2012	688
2013	665
2014	501
2015	1,027
2016	505
2017	954
2018	636
2019	609
2020	605
2021	397
2022	880
2023	1,221
2024	835
2025	733
2026	1,047

Download the Data

Data for records on 1975-08-07: 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 5	812
5 to 10	56
10 to 15	24
15 to 20	13
20 to 25	15
25 to 30	8
30 to 35	2
35 to 40	3