Weather Records on 15 August 1997

927 weather records were set or tied worldwide on 15 August 1997. Highest significance: Rest Lake, US.

Key Facts for 15 August 1997

On 15 August 1997, 927 weather records were set or tied at long-record stations worldwide.
577 were record highs and 207 were record lows, counting maximum and minimum temperature.
By timescale, 4 were all-time records, 30 monthly and 893 daily.
Rest Lake set a daily record precipitation of 76.2 mm (3.0 in) on 15 August 1997.
Across 168 earlier years (1793 to 2026) the same calendar date averaged 452 records.

Record Map

927 stations

927 station records on 15 August 1997 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 15 August 1997: highest significance records shown on the map
Station	Country	Type	Value	Significance
Rest Lake	United States	Record daily precipitation	76.2 mm (3.0 in)	68 of 100 (Major)
New London	United States	Record daily precipitation	73.4 mm (2.9 in)	67 of 100 (Major)
Alvin	United States	Record high minimum temperature	27.8 C (82.0 F)	61 of 100 (Major)
Babuskin	Russia	Record daily precipitation	79.1 mm (3.1 in)	51 of 100 (Notable)
Sedalia Wtp	United States	Record daily precipitation	99.1 mm (3.9 in)	51 of 100 (Notable)
Vestervig	Denmark	Record high minimum temperature	19.0 C (66.2 F)	49 of 100 (Notable)
Tierra Nueva	Mexico	Record daily precipitation	63.2 mm (2.5 in)	46 of 100 (Notable)
Rybinsk	Russia	Record daily precipitation	50.0 mm (2.0 in)	46 of 100 (Notable)
Solon Springs	United States	Record low maximum temperature	14.4 C (57.9 F)	46 of 100 (Notable)
Mora	United States	Record low maximum temperature	13.3 C (55.9 F)	45 of 100 (Notable)
Nordby (Fano)	Denmark	Record high minimum temperature	18.1 C (64.6 F)	43 of 100 (Notable)
Roseau	United States	Record low maximum temperature	16.1 C (61.0 F)	43 of 100 (Notable)
Talbotton	United States	Record high minimum temperature	25.6 C (78.1 F)	42 of 100 (Notable)
Lecompton	United States	Record daily precipitation	67.6 mm (2.7 in)	42 of 100 (Notable)
Minter City	United States	Record daily precipitation	48.3 mm (1.9 in)	42 of 100 (Notable)
Union	United States	Record daily precipitation	63.2 mm (2.5 in)	42 of 100 (Notable)
Conway	United States	Record high minimum temperature	25.0 C (77.0 F)	42 of 100 (Notable)
Key West NAS	United States	Record low minimum temperature	17.8 C (64.0 F)	42 of 100 (Notable)
Benton	United States	Record high minimum temperature	24.4 C (75.9 F)	41 of 100 (Notable)
Sulphur Springs	United States	Record high minimum temperature	26.1 C (79.0 F)	41 of 100 (Notable)
Escanaba	United States	Record low minimum temperature	5.0 C (41.0 F)	41 of 100 (Notable)
Ft Ross	United States	Record high minimum temperature	12.2 C (54.0 F)	40 of 100 (Notable)
Detroit Lakes 1 NNE	United States	Record low maximum temperature	17.8 C (64.0 F)	40 of 100 (Notable)
Sussex 1 NW	United States	Record low minimum temperature	3.3 C (37.9 F)	40 of 100 (Notable)
Westermarkelsdorf/Fehmarn	Germany	Record high minimum temperature	20.8 C (69.4 F)	39 of 100 (Notable)
Zalma 4 E	United States	Record daily precipitation	74.4 mm (2.9 in)	39 of 100 (Notable)
Jesus Maria	Mexico	Record low maximum temperature	16.1 C (61.0 F)	38 of 100 (Notable)
Winona Dam 5 A	United States	Record daily precipitation	73.7 mm (2.9 in)	38 of 100 (Notable)
Crockett	United States	Record high minimum temperature	24.4 C (75.9 F)	38 of 100 (Notable)
Ashland Exp Farm	United States	Record low maximum temperature	17.2 C (63.0 F)	38 of 100 (Notable)
Ayutla	Mexico	Record low minimum temperature	12.8 C (55.0 F)	37 of 100 (Notable)
San Andres	Mexico	Record daily precipitation	35.6 mm (1.4 in)	37 of 100 (Notable)
Abritas	Mexico	Record low minimum temperature	5.6 C (42.1 F)	37 of 100 (Notable)
Capitan Carlos Martinez de Pi	Peru	Record high minimum temperature	21.0 C (69.8 F)	36 of 100 (Notable)
Eldorado Springs	United States	Record daily precipitation	44.7 mm (1.8 in)	36 of 100 (Notable)
Niamey Aero	Niger	Record high minimum temperature	27.8 C (82.0 F)	35 of 100 (Notable)
Pacific	United States	Record daily precipitation	61.7 mm (2.4 in)	35 of 100 (Notable)
Colville	United States	Record high minimum temperature	18.3 C (64.9 F)	35 of 100 (Notable)
Green Bay	United States	Record daily precipitation	42.7 mm (1.7 in)	35 of 100 (Notable)
Cold Bay AP	United States	Record daily precipitation	32.3 mm (1.3 in)	35 of 100 (Notable)
Tranebjerg	Denmark	Record high maximum temperature	29.2 C (84.6 F)	34 of 100 (Routine)
Boonville 1S	United States	Record daily precipitation	43.9 mm (1.7 in)	34 of 100 (Routine)
Cloquet	United States	Record low maximum temperature	17.2 C (63.0 F)	34 of 100 (Routine)
Everett	United States	Record high maximum temperature	30.6 C (87.1 F)	34 of 100 (Routine)
Umiat	United States	Record low minimum temperature	-15.0 C (5.0 F)	34 of 100 (Routine)
List/Sylt	Germany	Record high minimum temperature	19.5 C (67.1 F)	33 of 100 (Routine)
Altotonga	Mexico	Record low maximum temperature	13.9 C (57.0 F)	33 of 100 (Routine)
Tecolutla	Mexico	Record high maximum temperature	40.0 C (104.0 F)	33 of 100 (Routine)
Tanhoj	Russia	Record daily precipitation	88.9 mm (3.5 in)	33 of 100 (Routine)
Vinga	Sweden	Record high minimum temperature	21.3 C (70.3 F)	33 of 100 (Routine)
Buras	United States	Record high minimum temperature	28.3 C (82.9 F)	33 of 100 (Routine)
Bergland Dam	United States	Record daily precipitation	31.8 mm (1.3 in)	33 of 100 (Routine)
Bloomfield	United States	Record daily precipitation	40.1 mm (1.6 in)	33 of 100 (Routine)
Poplar Bluff	United States	Record daily precipitation	67.3 mm (2.6 in)	33 of 100 (Routine)
Shawano 2SSW	United States	Record low maximum temperature	19.4 C (66.9 F)	33 of 100 (Routine)
Wrixum/Fohr	Germany	Record high minimum temperature	18.9 C (66.0 F)	32 of 100 (Routine)
La Poza Grande	Mexico	Record high maximum temperature	38.9 C (102.0 F)	32 of 100 (Routine)
Ocozocoautla	Mexico	Record low minimum temperature	13.9 C (57.0 F)	32 of 100 (Routine)
Teziutlan	Mexico	Record high maximum temperature	27.8 C (82.0 F)	32 of 100 (Routine)
Eelde	Netherlands	Record high minimum temperature	18.4 C (65.1 F)	32 of 100 (Routine)

Counts by Type and Timescale

927 records

Records set or tied on 15 August 1997 by type: Highest daily maximum 236, Lowest daily maximum 118, Highest daily minimum 341, Lowest daily minimum 89, Heaviest daily rainfall 143.

Records on 15 August 1997 by type
Record type	Records
Highest daily maximum	236
Lowest daily maximum	118
Highest daily minimum	341
Lowest daily minimum	89
Heaviest daily rainfall	143
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 15 August 1997 by timescale: all-time 4, monthly 30, daily 893.

How Much Records Were Beaten By

634 broken records

Margins by which the 634 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 61.4. Ties are not counted.

Top 20 by Significance

15 August 1997

Top 20 records on 15 August 1997 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
15 August 1997	Rest Lake, US	daily rain	76.2 mm (3.0 in)	52.6 mm (2.1 in)	82 years	68 of 100 (Major)
15 August 1997	New London, US	daily rain	73.4 mm (2.9 in)	38.9 mm (1.5 in)	84 years	67 of 100 (Major)
15 August 1997	Alvin, US	all-time high min	27.8 C (82.0 F)	0.6 C (1.1 F)	94 years	61 of 100 (Major)
15 August 1997	Babuskin, RU	daily rain	79.1 mm (3.1 in)	26.4 mm (1.0 in)	64 years	51 of 100 (Notable)
15 August 1997	Sedalia Wtp, US	daily rain	99.1 mm (3.9 in)	58.0 mm (2.3 in)	18 years	51 of 100 (Notable)
15 August 1997	Vestervig, DK	daily high min	19.0 C (66.2 F)	1.9 C (3.4 F)	117 years	49 of 100 (Notable)
15 August 1997	Tierra Nueva, MX	daily rain	63.2 mm (2.5 in)	61.4 mm (2.4 in)	11 years	46 of 100 (Notable)
15 August 1997	Rybinsk, RU	daily rain	50.0 mm (2.0 in)	33.2 mm (1.3 in)	7 years	46 of 100 (Notable)
15 August 1997	Solon Springs, US	daily low max	14.4 C (57.9 F)	5.6 C (10.1 F)	83 years	46 of 100 (Notable)
15 August 1997	Mora, US	daily low max	13.3 C (55.9 F)	4.5 C (8.1 F)	88 years	45 of 100 (Notable)
15 August 1997	Nordby (Fano), DK	daily high min	18.1 C (64.6 F)	0.7 C (1.3 F)	117 years	43 of 100 (Notable)
15 August 1997	Roseau, US	daily low max	16.1 C (61.0 F)	1.7 C (3.1 F)	100 years	43 of 100 (Notable)
15 August 1997	Talbotton, US	daily high min	25.6 C (78.1 F)	1.7 C (3.1 F)	80 years	42 of 100 (Notable)
15 August 1997	Lecompton, US	daily rain	67.6 mm (2.7 in)	36.4 mm (1.4 in)	56 years	42 of 100 (Notable)
15 August 1997	Minter City, US	daily rain	48.3 mm (1.9 in)	39.2 mm (1.5 in)	28 years	42 of 100 (Notable)
15 August 1997	Union, US	daily rain	63.2 mm (2.5 in)	26.6 mm (1.0 in)	55 years	42 of 100 (Notable)
15 August 1997	Conway, US	daily high min	25.0 C (77.0 F)	1.1 C (2.0 F)	91 years	42 of 100 (Notable)
15 August 1997	Key West NAS, US	monthly low min	17.8 C (64.0 F)	2.8 C (5.0 F)	30 years	42 of 100 (Notable)
15 August 1997	Benton, US	daily high min	24.4 C (75.9 F)	1.6 C (2.9 F)	90 years	41 of 100 (Notable)
15 August 1997	Sulphur Springs, US	daily high min	26.1 C (79.0 F)	1.1 C (2.0 F)	92 years	41 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 1997

Records set or tied on this calendar date in each year from 1793 to 1997. 1997 had 927 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 1997-08-15: 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 10	589
10 to 20	25
20 to 30	10
30 to 40	7
40 to 50	0
50 to 60	2
60 to 70	1