Weather Records on 17 August 1968

953 weather records were set or tied worldwide on 17 August 1968. Highest significance: Clarendon, US.

Key Facts for 17 August 1968

On 17 August 1968, 953 weather records were set or tied at long-record stations worldwide.
122 were record highs and 412 were record lows, counting maximum and minimum temperature.
By timescale, 4 were all-time records, 41 monthly and 908 daily.
Clarendon set a monthly record daily precipitation of 136.1 mm (5.4 in) on 17 August 1968.
Across 162 earlier years (1797 to 2026) the same calendar date averaged 471 records.

Record Map

953 stations

953 station records on 17 August 1968 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 17 August 1968: highest significance records shown on the map
Station	Country	Type	Value	Significance
Clarendon	United States	Record daily precipitation	136.1 mm (5.4 in)	75 of 100 (Major)
Elk City 4 W	United States	Record daily precipitation	138.9 mm (5.5 in)	62 of 100 (Major)
Hill City 1 W	United States	Record daily precipitation	25.7 mm (1.0 in)	60 of 100 (Major)
Vladikavkaz	Russia	Record daily precipitation	54.1 mm (2.1 in)	58 of 100 (Notable)
Owosso Wwtp	United States	Record daily precipitation	99.3 mm (3.9 in)	57 of 100 (Notable)
Ogden Pioneer Ph	United States	Record daily precipitation	32.5 mm (1.3 in)	57 of 100 (Notable)
Ternej	Russia	Record daily precipitation	175.8 mm (6.9 in)	56 of 100 (Notable)
Embrun	France	Record daily precipitation	47.6 mm (1.9 in)	55 of 100 (Notable)
Grand View 4 NW	United States	Record daily precipitation	25.9 mm (1.0 in)	52 of 100 (Notable)
Pineview Dam	United States	Record daily precipitation	38.1 mm (1.5 in)	52 of 100 (Notable)
Mtn Dell Dam	United States	Record daily precipitation	27.7 mm (1.1 in)	51 of 100 (Notable)
Vladivostok	Russia	Record daily precipitation	136.9 mm (5.4 in)	50 of 100 (Notable)
Summit	United States	Record daily precipitation	33.0 mm (1.3 in)	50 of 100 (Notable)
Marengo	United States	Record daily precipitation	69.3 mm (2.7 in)	49 of 100 (Notable)
Ashland	United States	Record daily precipitation	81.3 mm (3.2 in)	48 of 100 (Notable)
Turij Rog	Russia	Record daily precipitation	74.2 mm (2.9 in)	47 of 100 (Notable)
Astrahanka	Russia	Record daily precipitation	81.6 mm (3.2 in)	47 of 100 (Notable)
Wheaton 3 SE	United States	Record daily precipitation	112.5 mm (4.4 in)	47 of 100 (Notable)
Gary	United States	Record daily precipitation	127.0 mm (5.0 in)	47 of 100 (Notable)
Saint Johns	United States	Record daily precipitation	61.0 mm (2.4 in)	47 of 100 (Notable)
Myrup	Australia	Record daily precipitation	32.0 mm (1.3 in)	46 of 100 (Notable)
Danner	United States	Record low maximum temperature	13.9 C (57.0 F)	46 of 100 (Notable)
Oxley Island (Lyndhurst)	Australia	Record daily precipitation	67.3 mm (2.6 in)	44 of 100 (Notable)
Kirovskij	Russia	Record daily precipitation	56.6 mm (2.2 in)	44 of 100 (Notable)
Gudermes	Russia	Record daily precipitation	44.8 mm (1.8 in)	44 of 100 (Notable)
Hkorol	Russia	Record daily precipitation	75.1 mm (3.0 in)	43 of 100 (Notable)
Grangeville	United States	Record low maximum temperature	12.2 C (54.0 F)	43 of 100 (Notable)
Swan Falls Ph	United States	Record daily precipitation	27.2 mm (1.1 in)	43 of 100 (Notable)
Aleksandrovskij Zav	Russia	Record daily precipitation	40.3 mm (1.6 in)	42 of 100 (Notable)
Coldwater	United States	Record daily precipitation	119.4 mm (4.7 in)	42 of 100 (Notable)
Anthony	United States	Record daily precipitation	66.0 mm (2.6 in)	42 of 100 (Notable)
Norwich	United States	Record daily precipitation	61.2 mm (2.4 in)	41 of 100 (Notable)
Murom	Russia	Record daily precipitation	37.5 mm (1.5 in)	40 of 100 (Notable)
Gohad	India	Record daily precipitation	150.0 mm (5.9 in)	39 of 100 (Notable)
Arco	United States	Record low maximum temperature	15.6 C (60.1 F)	39 of 100 (Notable)
Wendover AP AWOS	United States	Record low maximum temperature	19.4 C (66.9 F)	39 of 100 (Notable)
Wauchope (Avondale Street)	Australia	Record daily precipitation	48.8 mm (1.9 in)	38 of 100 (Notable)
Saginaw	United States	Record daily precipitation	31.5 mm (1.2 in)	38 of 100 (Notable)
Brigham City	United States	Record daily precipitation	30.7 mm (1.2 in)	38 of 100 (Notable)
Upper Urara (the Knoll)	Australia	Record daily precipitation	53.1 mm (2.1 in)	37 of 100 (Notable)
Nowendoc (Beaufort)	Australia	Record daily precipitation	27.9 mm (1.1 in)	37 of 100 (Notable)
Rudnaja Pristan	Russia	Record daily precipitation	172.3 mm (6.8 in)	37 of 100 (Notable)
Glenns Ferry	United States	Record low maximum temperature	20.6 C (69.1 F)	37 of 100 (Notable)
Huntington	United States	Record daily precipitation	61.2 mm (2.4 in)	37 of 100 (Notable)
Wellington	United States	Record daily precipitation	127.0 mm (5.0 in)	37 of 100 (Notable)
Martinsdale 3 NNW	United States	Record low maximum temperature	17.2 C (63.0 F)	37 of 100 (Notable)
Heber	United States	Record low maximum temperature	17.8 C (64.0 F)	37 of 100 (Notable)
Junqueiro	Brazil	Record daily precipitation	25.0 mm (1.0 in)	36 of 100 (Notable)
Vestervig	Denmark	Record daily precipitation	29.8 mm (1.2 in)	36 of 100 (Notable)
Fullerton 1 ESE	United States	Record low minimum temperature	-1.1 C (30.0 F)	36 of 100 (Notable)
Port Macquarie (Bellevue Garde	Australia	Record daily precipitation	52.8 mm (2.1 in)	35 of 100 (Notable)
Assiniboia	Canada	Record daily precipitation	42.7 mm (1.7 in)	35 of 100 (Notable)
Bones I Bardu	Norway	Record daily precipitation	27.8 mm (1.1 in)	35 of 100 (Notable)
Ongudaj	Russia	Record daily precipitation	29.1 mm (1.1 in)	35 of 100 (Notable)
Logansport Cicott St	United States	Record daily precipitation	47.8 mm (1.9 in)	35 of 100 (Notable)
W Lafayette 6 NW	United States	Record daily precipitation	56.9 mm (2.2 in)	35 of 100 (Notable)
Clover Valley	United States	Record low maximum temperature	15.6 C (60.1 F)	35 of 100 (Notable)
Scotland Neck	United States	Record daily precipitation	65.3 mm (2.6 in)	35 of 100 (Notable)
Sunnyside	United States	Record low maximum temperature	17.8 C (64.0 F)	35 of 100 (Notable)
Winnemucca AP	United States	Record low maximum temperature	18.3 C (64.9 F)	35 of 100 (Notable)

Counts by Type and Timescale

953 records

Records set or tied on 17 August 1968 by type: Highest daily maximum 37, Lowest daily maximum 273, Highest daily minimum 85, Lowest daily minimum 139, Heaviest daily rainfall 419.

Records on 17 August 1968 by type
Record type	Records
Highest daily maximum	37
Lowest daily maximum	273
Highest daily minimum	85
Lowest daily minimum	139
Heaviest daily rainfall	419
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 17 August 1968 by timescale: all-time 4, monthly 41, daily 908.

How Much Records Were Beaten By

771 broken records

Margins by which the 771 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 87.8. Ties are not counted.

Top 20 by Significance

17 August 1968

Top 20 records on 17 August 1968 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
17 August 1968	Clarendon, US	monthly rain	136.1 mm (5.4 in)	72.6 mm (2.9 in)	63 years	75 of 100 (Major)
17 August 1968	Elk City 4 W, US	monthly rain	138.9 mm (5.5 in)	65.7 mm (2.6 in)	23 years	62 of 100 (Major)
17 August 1968	Hill City 1 W, US	daily rain	25.7 mm (1.0 in)	23.4 mm (0.9 in)	51 years	60 of 100 (Major)
17 August 1968	Vladikavkaz, RU	daily rain	54.1 mm (2.1 in)	29.8 mm (1.2 in)	78 years	58 of 100 (Notable)
17 August 1968	Owosso Wwtp, US	monthly rain	99.3 mm (3.9 in)	37.6 mm (1.5 in)	9 years	57 of 100 (Notable)
17 August 1968	Ogden Pioneer Ph, US	daily rain	32.5 mm (1.3 in)	30.2 mm (1.2 in)	64 years	57 of 100 (Notable)
17 August 1968	Ternej, RU	daily rain	175.8 mm (6.9 in)	87.8 mm (3.5 in)	43 years	56 of 100 (Notable)
17 August 1968	Embrun, FR	daily rain	47.6 mm (1.9 in)	36.7 mm (1.4 in)	20 years	55 of 100 (Notable)
17 August 1968	Grand View 4 NW, US	monthly rain	25.9 mm (1.0 in)	6.8 mm (0.27 in)	50 years	52 of 100 (Notable)
17 August 1968	Pineview Dam, US	daily rain	38.1 mm (1.5 in)	37.3 mm (1.5 in)	33 years	52 of 100 (Notable)
17 August 1968	Mtn Dell Dam, US	daily rain	27.7 mm (1.1 in)	25.2 mm (1.0 in)	25 years	51 of 100 (Notable)
17 August 1968	Vladivostok, RU	daily rain	136.9 mm (5.4 in)	72.6 mm (2.9 in)	30 years	50 of 100 (Notable)
17 August 1968	Summit, US	daily rain	33.0 mm (1.3 in)	22.6 mm (0.9 in)	20 years	50 of 100 (Notable)
17 August 1968	Marengo, US	daily rain	69.3 mm (2.7 in)	34.5 mm (1.4 in)	47 years	49 of 100 (Notable)
17 August 1968	Ashland, US	daily rain	81.3 mm (3.2 in)	63.5 mm (2.5 in)	7 years	48 of 100 (Notable)
17 August 1968	Turij Rog, RU	daily rain	74.2 mm (2.9 in)	59.2 mm (2.3 in)	16 years	47 of 100 (Notable)
17 August 1968	Astrahanka, RU	daily rain	81.6 mm (3.2 in)	55.6 mm (2.2 in)	23 years	47 of 100 (Notable)
17 August 1968	Wheaton 3 SE, US	monthly rain	112.5 mm (4.4 in)	28.2 mm (1.1 in)	30 years	47 of 100 (Notable)
17 August 1968	Gary, US	all-time rain	127.0 mm (5.0 in)	26.9 mm (1.1 in)	13 years	47 of 100 (Notable)
17 August 1968	Saint Johns, US	daily rain	61.0 mm (2.4 in)	45.0 mm (1.8 in)	10 years	47 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 1968

Records set or tied on this calendar date in each year from 1797 to 1968. 1968 had 953 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 1968-08-17: 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 20	700
20 to 40	54
40 to 60	10
60 to 80	6
80 to 100	1