Weather Records on 17 August 1975

612 weather records were set or tied worldwide on 17 August 1975. Highest significance: Pogranichnoe, RU.

Key Facts for 17 August 1975

On 17 August 1975, 612 weather records were set or tied at long-record stations worldwide.
109 were record highs and 190 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 12 monthly and 598 daily.
Pogranichnoe set a daily record precipitation of 67.5 mm (2.7 in) on 17 August 1975.
Across 162 earlier years (1797 to 2026) the same calendar date averaged 473 records.

Record Map

612 stations

612 station records on 17 August 1975 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 17 August 1975: highest significance records shown on the map
Station	Country	Type	Value	Significance
Pogranichnoe	Russia	Record daily precipitation	67.5 mm (2.7 in)	53 of 100 (Notable)
Falcondale - Edeowie	Australia	Record daily precipitation	27.0 mm (1.1 in)	52 of 100 (Notable)
Geisenheim	Germany	Record daily precipitation	39.0 mm (1.5 in)	49 of 100 (Notable)
Blankenrath	Germany	Record daily precipitation	51.5 mm (2.0 in)	49 of 100 (Notable)
Uglegorsk	Russia	Record daily precipitation	85.1 mm (3.4 in)	49 of 100 (Notable)
Teuschnitz	Germany	Record daily precipitation	47.7 mm (1.9 in)	47 of 100 (Notable)
Tommot	Russia	Record daily precipitation	42.3 mm (1.7 in)	43 of 100 (Notable)
Holly	United States	Record daily precipitation	75.4 mm (3.0 in)	43 of 100 (Notable)
Falun	Sweden	Record daily precipitation	26.4 mm (1.0 in)	42 of 100 (Notable)
Jackson 3 NW	United States	Record daily precipitation	45.7 mm (1.8 in)	42 of 100 (Notable)
Independence	United States	Record daily precipitation	113.8 mm (4.5 in)	40 of 100 (Notable)
Wagner	United States	Record daily precipitation	51.3 mm (2.0 in)	40 of 100 (Notable)
Calhoun City	United States	Record daily precipitation	39.4 mm (1.6 in)	39 of 100 (Notable)
Marietta 5SW	United States	Record daily precipitation	73.2 mm (2.9 in)	39 of 100 (Notable)
Perth Regional Office	Australia	Record daily precipitation	29.8 mm (1.2 in)	36 of 100 (Notable)
Arad	Romania	Record daily precipitation	26.0 mm (1.0 in)	36 of 100 (Notable)
Fruitland	United States	Record low minimum temperature	5.0 C (41.0 F)	36 of 100 (Notable)
Bad Kreuznach	Germany	Record daily precipitation	28.2 mm (1.1 in)	35 of 100 (Notable)
Sovetskaja Gavan	Russia	Record daily precipitation	36.7 mm (1.4 in)	35 of 100 (Notable)
Crescent City 3 NNW	United States	Record low maximum temperature	11.7 C (53.1 F)	35 of 100 (Notable)
Teziutlan	Mexico	Record low maximum temperature	13.3 C (55.9 F)	34 of 100 (Routine)
Clearwater	United States	Record high minimum temperature	13.9 C (57.0 F)	34 of 100 (Routine)
Kuusiku	Estonia	Record daily precipitation	29.0 mm (1.1 in)	33 of 100 (Routine)
Pilvo	Russia	Record daily precipitation	51.8 mm (2.0 in)	33 of 100 (Routine)
Mineral-Nye-Vody	Russia	Record low minimum temperature	6.0 C (42.8 F)	33 of 100 (Routine)
Lexington	United States	Record daily precipitation	64.8 mm (2.6 in)	33 of 100 (Routine)
Little Falls	United States	Record low maximum temperature	19.4 C (66.9 F)	33 of 100 (Routine)
Nitchequon	Canada	Record daily precipitation	33.8 mm (1.3 in)	32 of 100 (Routine)
Belvidere	United States	Record low maximum temperature	19.4 C (66.9 F)	32 of 100 (Routine)
Hawley 1 E	United States	Record low maximum temperature	17.2 C (63.0 F)	32 of 100 (Routine)
Grapevine Dam	United States	Record daily precipitation	33.5 mm (1.3 in)	32 of 100 (Routine)
Piacabucu	Brazil	Record daily precipitation	35.1 mm (1.4 in)	31 of 100 (Routine)
Dumas	United States	Record daily precipitation	77.2 mm (3.0 in)	31 of 100 (Routine)
Winnibigoshish Dam	United States	Record low maximum temperature	18.3 C (64.9 F)	31 of 100 (Routine)
Edenton	United States	Record high minimum temperature	26.1 C (79.0 F)	31 of 100 (Routine)
Rollbach	Germany	Record daily precipitation	45.6 mm (1.8 in)	30 of 100 (Routine)
Irapuato	Mexico	Record low minimum temperature	13.3 C (55.9 F)	30 of 100 (Routine)
Narrogin	Australia	Record high minimum temperature	10.8 C (51.4 F)	29 of 100 (Routine)
Elsinore	United States	Record low minimum temperature	6.7 C (44.1 F)	29 of 100 (Routine)
Albany	United States	Record low maximum temperature	29.4 C (84.9 F)	29 of 100 (Routine)
Angleton 2 W	United States	Record high minimum temperature	26.1 C (79.0 F)	29 of 100 (Routine)
Lacombe Cda	Canada	Record low maximum temperature	11.1 C (52.0 F)	28 of 100 (Routine)
Naryn	Kyrgyzstan	Record high maximum temperature	34.8 C (94.6 F)	28 of 100 (Routine)
Atyrau	Kazakhstan	Record low minimum temperature	6.0 C (42.8 F)	28 of 100 (Routine)
Mascota (Smn)	Mexico	Record daily precipitation	47.8 mm (1.9 in)	28 of 100 (Routine)
Onor	Russia	Record daily precipitation	42.7 mm (1.7 in)	28 of 100 (Routine)
Priest Rvr Exp STN	United States	Record high minimum temperature	13.3 C (55.9 F)	28 of 100 (Routine)
Canistota 2 N	United States	Record daily precipitation	35.1 mm (1.4 in)	28 of 100 (Routine)
Naraling	Australia	Record daily precipitation	31.0 mm (1.2 in)	27 of 100 (Routine)
El-Ton	Russia	Record low minimum temperature	7.5 C (45.5 F)	27 of 100 (Routine)
Florence	United States	Record low maximum temperature	25.6 C (78.1 F)	27 of 100 (Routine)
Fitzgerald	United States	Record daily precipitation	66.0 mm (2.6 in)	27 of 100 (Routine)
Elmira	United States	Record low maximum temperature	20.0 C (68.0 F)	27 of 100 (Routine)
Merredin Research Station	Australia	Record high minimum temperature	13.3 C (55.9 F)	26 of 100 (Routine)
Dadran	Sweden	Record daily precipitation	28.0 mm (1.1 in)	26 of 100 (Routine)
Turkmen-Bashi	Turkmenistan	Record low maximum temperature	24.0 C (75.2 F)	26 of 100 (Routine)
Saguache	United States	Record low minimum temperature	2.8 C (37.0 F)	26 of 100 (Routine)
Ft Lauderdale	United States	Record high minimum temperature	27.8 C (82.0 F)	26 of 100 (Routine)
De Quincy	United States	Record daily precipitation	52.1 mm (2.1 in)	26 of 100 (Routine)
Forks 4 NNE	United States	Record low maximum temperature	14.4 C (57.9 F)	26 of 100 (Routine)

Counts by Type and Timescale

612 records

Records set or tied on 17 August 1975 by type: Highest daily maximum 28, Lowest daily maximum 119, Highest daily minimum 81, Lowest daily minimum 71, Heaviest daily rainfall 313.

Records on 17 August 1975 by type
Record type	Records
Highest daily maximum	28
Lowest daily maximum	119
Highest daily minimum	81
Lowest daily minimum	71
Heaviest daily rainfall	313
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 17 August 1975 by timescale: all-time 2, monthly 12, daily 598.

How Much Records Were Beaten By

502 broken records

Margins by which the 502 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 70.9. Ties are not counted.

Top 20 by Significance

17 August 1975

Top 20 records on 17 August 1975 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
17 August 1975	Pogranichnoe, RU	daily rain	67.5 mm (2.7 in)	49.1 mm (1.9 in)	30 years	53 of 100 (Notable)
17 August 1975	Falcondale - Edeowie, AU	daily rain	27.0 mm (1.1 in)	17.9 mm (0.7 in)	26 years	52 of 100 (Notable)
17 August 1975	Geisenheim, DE	daily rain	39.0 mm (1.5 in)	29.8 mm (1.2 in)	2 years	49 of 100 (Notable)
17 August 1975	Blankenrath, DE	daily rain	51.5 mm (2.0 in)	25.8 mm (1.0 in)	26 years	49 of 100 (Notable)
17 August 1975	Uglegorsk, RU	daily rain	85.1 mm (3.4 in)	70.9 mm (2.8 in)	21 years	49 of 100 (Notable)
17 August 1975	Teuschnitz, DE	daily rain	47.7 mm (1.9 in)	30.6 mm (1.2 in)	12 years	47 of 100 (Notable)
17 August 1975	Tommot, RU	daily rain	42.3 mm (1.7 in)	26.5 mm (1.0 in)	12 years	43 of 100 (Notable)
17 August 1975	Holly, US	monthly rain	75.4 mm (3.0 in)	11.1 mm (0.4 in)	53 years	43 of 100 (Notable)
17 August 1975	Falun, SE	daily rain	26.4 mm (1.0 in)	2.6 mm (0.10 in)	96 years	42 of 100 (Notable)
17 August 1975	Jackson 3 NW, US	daily rain	45.7 mm (1.8 in)	25.6 mm (1.0 in)	48 years	42 of 100 (Notable)
17 August 1975	Independence, US	monthly rain	113.8 mm (4.5 in)	18.3 mm (0.7 in)	30 years	40 of 100 (Notable)
17 August 1975	Wagner, US	daily rain	51.3 mm (2.0 in)	35.6 mm (1.4 in)	14 years	40 of 100 (Notable)
17 August 1975	Calhoun City, US	daily rain	39.4 mm (1.6 in)	27.2 mm (1.1 in)	30 years	39 of 100 (Notable)
17 August 1975	Marietta 5SW, US	daily rain	73.2 mm (2.9 in)	56.4 mm (2.2 in)	9 years	39 of 100 (Notable)
17 August 1975	Perth Regional Office, AU	daily rain	29.8 mm (1.2 in)	0.1 mm (0.00 in)	91 years	36 of 100 (Notable)
17 August 1975	Arad, RO	daily rain	26.0 mm (1.0 in)	11.0 mm (0.4 in)	48 years	36 of 100 (Notable)
17 August 1975	Fruitland, US	daily low min	5.0 C (41.0 F)	2.8 C (5.0 F)	64 years	36 of 100 (Notable)
17 August 1975	Bad Kreuznach, DE	daily rain	28.2 mm (1.1 in)	19.4 mm (0.8 in)	12 years	35 of 100 (Notable)
17 August 1975	Sovetskaja Gavan, RU	daily rain	36.7 mm (1.4 in)	17.2 mm (0.7 in)	48 years	35 of 100 (Notable)
17 August 1975	Crescent City 3 NNW, US	daily low max	11.7 C (53.1 F)	1.6 C (2.9 F)	79 years	35 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

1797 to 1975

Records set or tied on this calendar date in each year from 1797 to 1975. 1975 had 612 records.

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

Records on 08-17 in each year
Year	Records
1797	2
1802	2
1820	2
1837	1
1838	2
1841	2
1842	1
1845	2
1853	1
1854	1
1856	1
1857	1
1861	3
1862	1
1867	1
1868	3
1869	1
1872	1
1875	2
1876	5
1879	1
1881	1
1882	1
1883	2
1885	3
1886	1
1888	5
1891	1
1892	3
1893	2
1894	3
1895	2
1896	3
1897	1
1898	5
1899	8
1900	3
1901	14
1902	7
1903	6
1904	2
1905	11
1906	28
1907	9
1908	26
1909	24
1910	17
1911	18
1912	31
1913	79
1914	41
1915	28
1916	33
1917	35
1918	112
1919	37
1920	110
1921	37
1922	169
1923	161
1924	171
1925	130
1926	182
1927	228
1928	131
1929	243
1930	138
1931	302
1932	360
1933	260
1934	377
1935	437
1936	670
1937	726
1938	466
1939	364
1940	341
1941	378
1942	461
1943	743
1944	531
1945	387
1946	433
1947	682
1948	475
1949	371
1950	522
1951	413
1952	470
1953	345
1954	685
1955	465
1956	407
1957	504
1958	519
1959	543
1960	533
1961	998
1962	445
1963	650
1964	410
1965	641
1966	496
1967	679
1968	953
1969	593
1970	467
1971	447
1972	1,044
1973	750
1974	582
1975	612
1976	797
1977	1,216
1978	814
1979	1,464
1980	895
1981	1,112
1982	554
1983	1,574
1984	726
1985	948
1986	916
1987	1,150
1988	1,608
1989	687
1990	949
1991	560
1992	1,813
1993	803
1994	1,038
1995	1,724
1996	752
1997	1,544
1998	1,003
1999	697
2000	994
2001	1,101
2002	1,266
2003	948
2004	1,046
2005	722
2006	814
2007	1,646
2008	1,301
2009	922
2010	1,105
2011	956
2012	1,215
2013	802
2014	997
2015	890
2016	748
2017	544
2018	518
2019	467
2020	1,529
2021	800
2022	1,428
2023	1,032
2024	740
2025	538
2026	535

Download the Data

Data for records on 1975-08-17: 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 10	424
10 to 20	57
20 to 30	13
30 to 40	4
40 to 50	2
50 to 60	1
60 to 70	0
70 to 80	1