Weather Records on 17 August 1980

895 weather records were set or tied worldwide on 17 August 1980. Highest significance: Mt Pulaski, US.

Key Facts for 17 August 1980

On 17 August 1980, 895 weather records were set or tied at long-record stations worldwide.
238 were record highs and 399 were record lows, counting maximum and minimum temperature.
By timescale, 3 were all-time records, 19 monthly and 873 daily.
Mt Pulaski set a daily record precipitation of 58.7 mm (2.3 in) on 17 August 1980.
Across 162 earlier years (1797 to 2026) the same calendar date averaged 471 records.

Record Map

895 stations

895 station records on 17 August 1980 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 17 August 1980: highest significance records shown on the map
Station	Country	Type	Value	Significance
Mt Pulaski	United States	Record daily precipitation	58.7 mm (2.3 in)	69 of 100 (Major)
Talbotton	United States	Record daily precipitation	88.9 mm (3.5 in)	68 of 100 (Major)
Warfield	Canada	Record daily precipitation	31.2 mm (1.2 in)	59 of 100 (Notable)
Cultus Lake	Canada	Record daily precipitation	82.8 mm (3.3 in)	53 of 100 (Notable)
Kaslo	Canada	Record daily precipitation	28.6 mm (1.1 in)	53 of 100 (Notable)
Valle de Santiago	Mexico	Record daily precipitation	62.7 mm (2.5 in)	52 of 100 (Notable)
Fernie	Canada	Record daily precipitation	29.8 mm (1.2 in)	51 of 100 (Notable)
Mt Pleasant 1 SW	United States	Record daily precipitation	90.2 mm (3.6 in)	51 of 100 (Notable)
Stampede Pass	United States	Record daily precipitation	52.8 mm (2.1 in)	49 of 100 (Notable)
Seattle Urban Site	United States	Record daily precipitation	26.7 mm (1.1 in)	47 of 100 (Notable)
Cavalier 7NW	United States	Record daily precipitation	57.2 mm (2.3 in)	46 of 100 (Notable)
Seymour Falls	Canada	Record daily precipitation	81.2 mm (3.2 in)	45 of 100 (Notable)
Ashland #2	United States	Record daily precipitation	56.4 mm (2.2 in)	45 of 100 (Notable)
Dennison Wtr Wks	United States	Record daily precipitation	44.5 mm (1.8 in)	44 of 100 (Notable)
Water Valley	United States	Record daily precipitation	133.1 mm (5.2 in)	44 of 100 (Notable)
Vancouver Harbour CS	Canada	Record daily precipitation	31.4 mm (1.2 in)	43 of 100 (Notable)
South Slocan	Canada	Record daily precipitation	26.6 mm (1.0 in)	43 of 100 (Notable)
Gander Int'l A	Canada	Record daily precipitation	38.5 mm (1.5 in)	43 of 100 (Notable)
Grinnell 3 SW	United States	Record daily precipitation	37.3 mm (1.5 in)	43 of 100 (Notable)
Davenport L&D 15	United States	Record daily precipitation	51.1 mm (2.0 in)	43 of 100 (Notable)
Blue River North	Canada	Record daily precipitation	34.4 mm (1.4 in)	42 of 100 (Notable)
Baddeck	Canada	Record low maximum temperature	17.0 C (62.6 F)	41 of 100 (Notable)
Dzardzan	Russia	Record daily precipitation	37.4 mm (1.5 in)	41 of 100 (Notable)
Cresco 1 NE	United States	Record low maximum temperature	15.6 C (60.1 F)	41 of 100 (Notable)
Salem	United States	Record high minimum temperature	27.8 C (82.0 F)	41 of 100 (Notable)
Enderby	Canada	Record daily precipitation	25.3 mm (1.0 in)	40 of 100 (Notable)
Puerto Vallarta	Mexico	Record daily precipitation	144.8 mm (5.7 in)	40 of 100 (Notable)
Lipeck	Russia	Record daily precipitation	29.9 mm (1.2 in)	40 of 100 (Notable)
Towner 2 NE	United States	Record low maximum temperature	13.9 C (57.0 F)	40 of 100 (Notable)
Dixon Wwtp	United States	Record low maximum temperature	17.8 C (64.0 F)	39 of 100 (Notable)
Kokomo 3 WSW	United States	Record low maximum temperature	20.0 C (68.0 F)	38 of 100 (Notable)
Warsaw	United States	Record low maximum temperature	20.0 C (68.0 F)	38 of 100 (Notable)
Sac City	United States	Record low maximum temperature	19.4 C (66.9 F)	38 of 100 (Notable)
Augusta	United States	Record daily precipitation	149.6 mm (5.9 in)	38 of 100 (Notable)
Hiram	United States	Record low maximum temperature	17.2 C (63.0 F)	38 of 100 (Notable)
Lake City 2 SE	United States	Record daily precipitation	78.7 mm (3.1 in)	38 of 100 (Notable)
Wellsburg Wtr Trmt Pl	United States	Record low maximum temperature	19.4 C (66.9 F)	38 of 100 (Notable)
S Bend AP	United States	Record daily precipitation	26.9 mm (1.1 in)	38 of 100 (Notable)
Cape Tribulation Store	Australia	Record daily precipitation	62.0 mm (2.4 in)	37 of 100 (Notable)
Stave Falls	Canada	Record daily precipitation	41.0 mm (1.6 in)	37 of 100 (Notable)
Poronajsk	Russia	Record low minimum temperature	3.8 C (38.8 F)	37 of 100 (Notable)
Morrison	United States	Record low maximum temperature	18.3 C (64.9 F)	37 of 100 (Notable)
Oskaloosa	United States	Record daily precipitation	57.9 mm (2.3 in)	37 of 100 (Notable)
Big Spring	United States	Record daily precipitation	76.2 mm (3.0 in)	37 of 100 (Notable)
Port Hastings	Canada	Record low maximum temperature	17.0 C (62.6 F)	36 of 100 (Notable)
Nuri	Mexico	Record daily precipitation	79.8 mm (3.1 in)	36 of 100 (Notable)
Hinckley	United States	Record low maximum temperature	16.1 C (61.0 F)	36 of 100 (Notable)
Weeping Water	United States	Record daily precipitation	69.1 mm (2.7 in)	36 of 100 (Notable)
New Orleans Audubon	United States	Record high minimum temperature	26.7 C (80.1 F)	36 of 100 (Notable)
Penjamo	Mexico	Record daily precipitation	44.5 mm (1.8 in)	35 of 100 (Notable)
Fall Rvr Lake	United States	Record daily precipitation	43.7 mm (1.7 in)	35 of 100 (Notable)
Forman 5 SSE	United States	Record low maximum temperature	16.7 C (62.1 F)	35 of 100 (Notable)
Montpelier	United States	Record low maximum temperature	20.6 C (69.1 F)	35 of 100 (Notable)
Clowhom Falls	Canada	Record daily precipitation	31.0 mm (1.2 in)	34 of 100 (Routine)
Tambov	Russia	Record daily precipitation	36.4 mm (1.4 in)	34 of 100 (Routine)
Logan 1 WNW	United States	Record daily precipitation	27.9 mm (1.1 in)	34 of 100 (Routine)
Frankfort Downtown	United States	Record low maximum temperature	23.3 C (73.9 F)	34 of 100 (Routine)
Pokegama Dam	United States	Record low maximum temperature	16.7 C (62.1 F)	34 of 100 (Routine)
Amidon	United States	Record daily precipitation	36.8 mm (1.4 in)	34 of 100 (Routine)
Flandreau	United States	Record low maximum temperature	18.3 C (64.9 F)	34 of 100 (Routine)

Counts by Type and Timescale

895 records

Records set or tied on 17 August 1980 by type: Highest daily maximum 48, Lowest daily maximum 337, Highest daily minimum 190, Lowest daily minimum 62, Heaviest daily rainfall 257, Deepest snow cover 1.

Records on 17 August 1980 by type
Record type	Records
Highest daily maximum	48
Lowest daily maximum	337
Highest daily minimum	190
Lowest daily minimum	62
Heaviest daily rainfall	257
Heaviest daily snowfall	0
Deepest snow cover	1

Records on 17 August 1980 by timescale: all-time 3, monthly 19, daily 873.

How Much Records Were Beaten By

703 broken records

Margins by which the 703 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 400.0. Ties are not counted.

Top 20 by Significance

17 August 1980

Top 20 records on 17 August 1980 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
17 August 1980	Mt Pulaski, US	daily rain	58.7 mm (2.3 in)	46.5 mm (1.8 in)	85 years	69 of 100 (Major)
17 August 1980	Talbotton, US	daily rain	88.9 mm (3.5 in)	55.9 mm (2.2 in)	68 years	68 of 100 (Major)
17 August 1980	Warfield, CA	daily rain	31.2 mm (1.2 in)	26.9 mm (1.1 in)	48 years	59 of 100 (Notable)
17 August 1980	Cultus Lake, CA	monthly rain	82.8 mm (3.3 in)	19.6 mm (0.8 in)	43 years	53 of 100 (Notable)
17 August 1980	Kaslo, CA	daily rain	28.6 mm (1.1 in)	18.4 mm (0.7 in)	45 years	53 of 100 (Notable)
17 August 1980	Valle de Santiago, MX	daily rain	62.7 mm (2.5 in)	47.0 mm (1.9 in)	25 years	52 of 100 (Notable)
17 August 1980	Fernie, CA	daily rain	29.8 mm (1.2 in)	18.6 mm (0.7 in)	66 years	51 of 100 (Notable)
17 August 1980	Mt Pleasant 1 SW, US	daily rain	90.2 mm (3.6 in)	51.6 mm (2.0 in)	39 years	51 of 100 (Notable)
17 August 1980	Stampede Pass, US	daily rain	52.8 mm (2.1 in)	40.4 mm (1.6 in)	21 years	49 of 100 (Notable)
17 August 1980	Seattle Urban Site, US	daily rain	26.7 mm (1.1 in)	12.7 mm (0.5 in)	59 years	47 of 100 (Notable)
17 August 1980	Cavalier 7NW, US	daily rain	57.2 mm (2.3 in)	31.8 mm (1.3 in)	44 years	46 of 100 (Notable)
17 August 1980	Seymour Falls, CA	daily rain	81.2 mm (3.2 in)	59.1 mm (2.3 in)	16 years	45 of 100 (Notable)
17 August 1980	Ashland #2, US	daily rain	56.4 mm (2.2 in)	22.9 mm (0.9 in)	70 years	45 of 100 (Notable)
17 August 1980	Dennison Wtr Wks, US	daily rain	44.5 mm (1.8 in)	24.4 mm (1.0 in)	59 years	44 of 100 (Notable)
17 August 1980	Water Valley, US	monthly rain	133.1 mm (5.2 in)	41.7 mm (1.6 in)	2 years	44 of 100 (Notable)
17 August 1980	Vancouver Harbour CS, CA	daily rain	31.4 mm (1.2 in)	20.2 mm (0.8 in)	45 years	43 of 100 (Notable)
17 August 1980	South Slocan, CA	daily rain	26.6 mm (1.0 in)	21.5 mm (0.8 in)	8 years	43 of 100 (Notable)
17 August 1980	Gander Int'l A, CA	daily rain	38.5 mm (1.5 in)	23.0 mm (0.9 in)	42 years	43 of 100 (Notable)
17 August 1980	Grinnell 3 SW, US	daily rain	37.3 mm (1.5 in)	27.1 mm (1.1 in)	73 years	43 of 100 (Notable)
17 August 1980	Davenport L&D 15, US	daily rain	51.1 mm (2.0 in)	19.1 mm (0.8 in)	74 years	43 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 1980

Records set or tied on this calendar date in each year from 1797 to 1980. 1980 had 895 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 1980-08-17: 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 50	697
50 to 100	5
100 to 150	0
150 to 200	0
200 to 250	0
250 to 300	0
300 to 350	0
350 to 400	1