Weather Records on 15 August 1968

1,002 weather records were set or tied worldwide on 15 August 1968. Highest significance: Sterling, US.

Key Facts for 15 August 1968

On 15 August 1968, 1,002 weather records were set or tied at long-record stations worldwide.
61 were record highs and 616 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 40 monthly and 961 daily.
Sterling set an all-time record daily precipitation of 124.0 mm (4.9 in) on 15 August 1968.
Across 168 earlier years (1793 to 2026) the same calendar date averaged 451 records.

Record Map

1,002 stations

1,002 station records on 15 August 1968 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 15 August 1968: highest significance records shown on the map
Station	Country	Type	Value	Significance
Sterling	United States	Record daily precipitation	124.0 mm (4.9 in)	75 of 100 (Major)
Phillipsburg 1 SSE	United States	Record daily precipitation	124.5 mm (4.9 in)	66 of 100 (Major)
Big Sandy	United States	Record daily precipitation	81.3 mm (3.2 in)	64 of 100 (Major)
Chester	United States	Record daily precipitation	56.4 mm (2.2 in)	61 of 100 (Major)
Willow Creek	Canada	Record daily precipitation	38.1 mm (1.5 in)	60 of 100 (Major)
Joplin	United States	Record daily precipitation	57.9 mm (2.3 in)	60 of 100 (Major)
Virden	Canada	Record daily precipitation	79.8 mm (3.1 in)	59 of 100 (Notable)
Saint Ignatius	United States	Record daily precipitation	43.7 mm (1.7 in)	59 of 100 (Notable)
Chinook	United States	Record daily precipitation	53.3 mm (2.1 in)	57 of 100 (Notable)
Harlem	United States	Record daily precipitation	45.0 mm (1.8 in)	57 of 100 (Notable)
Blackleaf	United States	Record daily precipitation	30.5 mm (1.2 in)	56 of 100 (Notable)
Clinton	United States	Record daily precipitation	141.5 mm (5.6 in)	55 of 100 (Notable)
Kalispell Glacier AP	United States	Record daily precipitation	25.7 mm (1.0 in)	53 of 100 (Notable)
Orskar_A	Sweden	Record daily precipitation	45.6 mm (1.8 in)	52 of 100 (Notable)
Waterville	United States	Record daily precipitation	26.7 mm (1.1 in)	52 of 100 (Notable)
Merriman	United States	Record daily precipitation	72.4 mm (2.9 in)	51 of 100 (Notable)
Wilmington 3 N	United States	Record daily precipitation	64.0 mm (2.5 in)	51 of 100 (Notable)
Warfield	Canada	Record daily precipitation	27.2 mm (1.1 in)	50 of 100 (Notable)
Manyberries Cda	Canada	Record daily precipitation	27.9 mm (1.1 in)	49 of 100 (Notable)
Conrad	United States	Record daily precipitation	51.8 mm (2.0 in)	49 of 100 (Notable)
Roundup	United States	Record daily precipitation	47.0 mm (1.9 in)	49 of 100 (Notable)
Winifred	United States	Record daily precipitation	48.3 mm (1.9 in)	48 of 100 (Notable)
Vasteras-Hasslo	Sweden	Record daily precipitation	49.4 mm (1.9 in)	47 of 100 (Notable)
Roy 8 NE	United States	Record daily precipitation	39.4 mm (1.6 in)	47 of 100 (Notable)
Red Cloud	United States	Record daily precipitation	45.2 mm (1.8 in)	46 of 100 (Notable)
Souris	Canada	Record daily precipitation	91.7 mm (3.6 in)	45 of 100 (Notable)
Esengyly	Turkmenistan	Record high maximum temperature	41.2 C (106.2 F)	45 of 100 (Notable)
Corinne	United States	Record low maximum temperature	19.4 C (66.9 F)	45 of 100 (Notable)
Westby	United States	Record daily precipitation	41.4 mm (1.6 in)	44 of 100 (Notable)
Longvalley	United States	Record daily precipitation	45.7 mm (1.8 in)	44 of 100 (Notable)
Assiniboia	Canada	Record daily precipitation	36.3 mm (1.4 in)	43 of 100 (Notable)
Russell	Canada	Record low maximum temperature	10.6 C (51.1 F)	43 of 100 (Notable)
Green Rvr	United States	Record low maximum temperature	17.2 C (63.0 F)	43 of 100 (Notable)
Great Falls AP	United States	Record daily precipitation	26.9 mm (1.1 in)	43 of 100 (Notable)
Wetumpka	United States	Record daily precipitation	104.4 mm (4.1 in)	42 of 100 (Notable)
Leroy 5 WSW	United States	Record daily precipitation	51.3 mm (2.0 in)	42 of 100 (Notable)
Island Park	United States	Record daily precipitation	28.2 mm (1.1 in)	42 of 100 (Notable)
Babb 6 NE	United States	Record daily precipitation	43.7 mm (1.7 in)	42 of 100 (Notable)
Culbertson	United States	Record daily precipitation	25.1 mm (1.0 in)	42 of 100 (Notable)
Valier	United States	Record daily precipitation	46.7 mm (1.8 in)	42 of 100 (Notable)
Willcox	United States	Record low minimum temperature	6.1 C (43.0 F)	41 of 100 (Notable)
Brady Aznoe	United States	Record daily precipitation	43.2 mm (1.7 in)	41 of 100 (Notable)
Ft Benton	United States	Record daily precipitation	48.3 mm (1.9 in)	41 of 100 (Notable)
Cut Bank AP	United States	Record daily precipitation	59.7 mm (2.4 in)	41 of 100 (Notable)
Grenfell	Canada	Record low maximum temperature	10.6 C (51.1 F)	40 of 100 (Notable)
Hamiota	Canada	Record daily precipitation	38.1 mm (1.5 in)	40 of 100 (Notable)
Browning	United States	Record daily precipitation	51.8 mm (2.0 in)	40 of 100 (Notable)
Lugansk	Ukraine	Record daily precipitation	27.0 mm (1.1 in)	39 of 100 (Notable)
Winkelman 6 S	United States	Record low minimum temperature	11.1 C (52.0 F)	39 of 100 (Notable)
Eureka	United States	Record low maximum temperature	20.6 C (69.1 F)	39 of 100 (Notable)
Grenora	United States	Record daily precipitation	31.8 mm (1.3 in)	39 of 100 (Notable)
Choteau	United States	Record daily precipitation	36.8 mm (1.4 in)	38 of 100 (Notable)
Hamilton	United States	Record low maximum temperature	15.0 C (59.0 F)	38 of 100 (Notable)
Weatherford	United States	Record daily precipitation	76.7 mm (3.0 in)	38 of 100 (Notable)
Seneca	United States	Record low maximum temperature	13.9 C (57.0 F)	38 of 100 (Notable)
London Locks	United States	Record daily precipitation	47.5 mm (1.9 in)	38 of 100 (Notable)
Brandon Cda	Canada	Record daily precipitation	50.0 mm (2.0 in)	37 of 100 (Notable)
Rapelje	United States	Record daily precipitation	38.1 mm (1.5 in)	37 of 100 (Notable)
Austin #2	United States	Record low maximum temperature	20.6 C (69.1 F)	37 of 100 (Notable)
Black Rock	United States	Record low maximum temperature	24.4 C (75.9 F)	37 of 100 (Notable)

Counts by Type and Timescale

1,002 records

Records set or tied on 15 August 1968 by type: Highest daily maximum 20, Lowest daily maximum 396, Highest daily minimum 41, Lowest daily minimum 220, Heaviest daily rainfall 325.

Records on 15 August 1968 by type
Record type	Records
Highest daily maximum	20
Lowest daily maximum	396
Highest daily minimum	41
Lowest daily minimum	220
Heaviest daily rainfall	325
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 15 August 1968 by timescale: all-time 1, monthly 40, daily 961.

How Much Records Were Beaten By

846 broken records

Margins by which the 846 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 93.3. Ties are not counted.

Top 20 by Significance

15 August 1968

Top 20 records on 15 August 1968 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
15 August 1968	Sterling, US	all-time rain	124.0 mm (4.9 in)	52.6 mm (2.1 in)	28 years	75 of 100 (Major)
15 August 1968	Phillipsburg 1 SSE, US	daily rain	124.5 mm (4.9 in)	93.3 mm (3.7 in)	66 years	66 of 100 (Major)
15 August 1968	Big Sandy, US	monthly rain	81.3 mm (3.2 in)	39.9 mm (1.6 in)	34 years	64 of 100 (Major)
15 August 1968	Chester, US	monthly rain	56.4 mm (2.2 in)	23.6 mm (0.9 in)	16 years	61 of 100 (Major)
15 August 1968	Willow Creek, CA	daily rain	38.1 mm (1.5 in)	29.7 mm (1.2 in)	56 years	60 of 100 (Major)
15 August 1968	Joplin, US	monthly rain	57.9 mm (2.3 in)	22.8 mm (0.9 in)	34 years	60 of 100 (Major)
15 August 1968	Virden, CA	daily rain	79.8 mm (3.1 in)	66.1 mm (2.6 in)	41 years	59 of 100 (Notable)
15 August 1968	Saint Ignatius, US	daily rain	43.7 mm (1.7 in)	31.5 mm (1.2 in)	41 years	59 of 100 (Notable)
15 August 1968	Chinook, US	daily rain	53.3 mm (2.1 in)	26.6 mm (1.0 in)	46 years	57 of 100 (Notable)
15 August 1968	Harlem, US	daily rain	45.0 mm (1.8 in)	36.6 mm (1.4 in)	36 years	57 of 100 (Notable)
15 August 1968	Blackleaf, US	daily rain	30.5 mm (1.2 in)	24.1 mm (0.9 in)	56 years	56 of 100 (Notable)
15 August 1968	Clinton, US	monthly rain	141.5 mm (5.6 in)	58.2 mm (2.3 in)	9 years	55 of 100 (Notable)
15 August 1968	Kalispell Glacier AP, US	daily rain	25.7 mm (1.0 in)	18.8 mm (0.7 in)	46 years	53 of 100 (Notable)
15 August 1968	Orskar_A, SE	daily rain	45.6 mm (1.8 in)	29.1 mm (1.1 in)	14 years	52 of 100 (Notable)
15 August 1968	Waterville, US	daily rain	26.7 mm (1.1 in)	15.0 mm (0.6 in)	56 years	52 of 100 (Notable)
15 August 1968	Merriman, US	monthly rain	72.4 mm (2.9 in)	20.1 mm (0.8 in)	49 years	51 of 100 (Notable)
15 August 1968	Wilmington 3 N, US	daily rain	64.0 mm (2.5 in)	49.5 mm (1.9 in)	22 years	51 of 100 (Notable)
15 August 1968	Warfield, CA	daily rain	27.2 mm (1.1 in)	21.1 mm (0.8 in)	27 years	50 of 100 (Notable)
15 August 1968	Manyberries Cda, CA	daily rain	27.9 mm (1.1 in)	21.5 mm (0.8 in)	40 years	49 of 100 (Notable)
15 August 1968	Conrad, US	daily rain	51.8 mm (2.0 in)	28.7 mm (1.1 in)	14 years	49 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

1793 to 1968

Records set or tied on this calendar date in each year from 1793 to 1968. 1968 had 1,002 records.

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

Records on 08-15 in each year
Year	Records
1793	2
1802	1
1805	1
1812	1
1821	1
1838	2
1839	1
1841	1
1844	1
1845	3
1852	1
1854	1
1856	1
1858	1
1861	3
1867	1
1868	2
1869	1
1873	2
1875	1
1876	2
1877	1
1878	1
1879	1
1880	3
1881	2
1882	2
1883	1
1884	2
1885	3
1886	1
1887	1
1888	3
1890	2
1891	2
1892	3
1893	3
1895	1
1896	9
1897	3
1898	1
1899	2
1900	6
1901	5
1902	10
1903	5
1904	17
1905	26
1906	8
1907	14
1908	15
1909	30
1910	16
1911	26
1912	34
1913	42
1914	11
1915	26
1916	223
1917	32
1918	23
1919	22
1920	59
1921	55
1922	86
1923	116
1924	220
1925	91
1926	115
1927	223
1928	271
1929	586
1930	274
1931	351
1932	368
1933	268
1934	992
1935	414
1936	867
1937	574
1938	681
1939	450
1940	372
1941	289
1942	377
1943	426
1944	610
1945	433
1946	285
1947	559
1948	366
1949	559
1950	317
1951	597
1952	596
1953	449
1954	481
1955	539
1956	390
1957	355
1958	1,092
1959	515
1960	417
1961	704
1962	1,052
1963	972
1964	1,185
1965	535
1966	340
1967	687
1968	1,002
1969	583
1970	382
1971	899
1972	613
1973	499
1974	512
1975	490
1976	1,345
1977	550
1978	841
1979	1,788
1980	745
1981	588
1982	479
1983	955
1984	622
1985	915
1986	1,283
1987	1,098
1988	1,479
1989	495
1990	758
1991	778
1992	1,638
1993	831
1994	1,073
1995	1,298
1996	929
1997	927
1998	861
1999	956
2000	932
2001	1,254
2002	1,307
2003	1,248
2004	1,424
2005	1,067
2006	923
2007	1,317
2008	964
2009	1,038
2010	1,622
2011	770
2012	654
2013	711
2014	583
2015	759
2016	707
2017	532
2018	328
2019	435
2020	1,327
2021	900
2022	692
2023	1,414
2024	729
2025	772
2026	975

Download the Data

Data for records on 1968-08-15: 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	797
20 to 40	41
40 to 60	6
60 to 80	1
80 to 100	1