Weather Records on 12 August 1997

1,363 weather records were set or tied worldwide on 12 August 1997. Highest significance: Kanosh, US.

Key Facts for 12 August 1997

On 12 August 1997, 1,363 weather records were set or tied at long-record stations worldwide.
511 were record highs and 425 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 30 monthly and 1,332 daily.
Kanosh set a daily record precipitation of 43.7 mm (1.7 in) on 12 August 1997.
Across 166 earlier years (1793 to 2026) the same calendar date averaged 442 records.

Record Map

1,363 stations

1,363 station records on 12 August 1997 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 12 August 1997: highest significance records shown on the map
Station	Country	Type	Value	Significance
Kanosh	United States	Record daily precipitation	43.7 mm (1.7 in)	71 of 100 (Major)
Palermo	Italy	Record daily precipitation	42.7 mm (1.7 in)	70 of 100 (Major)
Zametchino	Russia	Record daily precipitation	37.3 mm (1.5 in)	70 of 100 (Major)
Bungowannah (Roseleigh)	Australia	Record daily precipitation	38.4 mm (1.5 in)	67 of 100 (Major)
Whorouly	Australia	Record daily precipitation	37.0 mm (1.5 in)	66 of 100 (Major)
Holbrook (Glenfalloch)	Australia	Record daily precipitation	88.2 mm (3.5 in)	62 of 100 (Major)
Hume Reservoir	Australia	Record daily precipitation	35.0 mm (1.4 in)	58 of 100 (Notable)
Boorhaman	Australia	Record daily precipitation	33.0 mm (1.3 in)	57 of 100 (Notable)
Fukuoka	Japan	Record daily precipitation	134.1 mm (5.3 in)	57 of 100 (Notable)
Dzerzhinskoe	Russia	Record daily precipitation	40.9 mm (1.6 in)	57 of 100 (Notable)
Holbrook (Narrawa)	Australia	Record daily precipitation	39.4 mm (1.6 in)	54 of 100 (Notable)
Rocky Ford 2 SE	United States	Record daily precipitation	46.5 mm (1.8 in)	53 of 100 (Notable)
Regnier	United States	Record daily precipitation	56.1 mm (2.2 in)	53 of 100 (Notable)
Yackandandah	Australia	Record daily precipitation	44.2 mm (1.7 in)	52 of 100 (Notable)
Corowa Airport	Australia	Record daily precipitation	32.0 mm (1.3 in)	51 of 100 (Notable)
Howlong Post Office	Australia	Record daily precipitation	34.4 mm (1.4 in)	51 of 100 (Notable)
Barnawartha	Australia	Record daily precipitation	37.0 mm (1.5 in)	51 of 100 (Notable)
Rutherglen Research	Australia	Record daily precipitation	36.0 mm (1.4 in)	51 of 100 (Notable)
Saint Johns	United States	Record low maximum temperature	16.7 C (62.1 F)	51 of 100 (Notable)
Beaver	United States	Record daily precipitation	37.3 mm (1.5 in)	51 of 100 (Notable)
Walwa	Australia	Record daily precipitation	32.4 mm (1.3 in)	49 of 100 (Notable)
Tarcutta (Wollumbi)	Australia	Record daily precipitation	26.0 mm (1.0 in)	48 of 100 (Notable)
Jindera (Wadilock)	Australia	Record daily precipitation	31.0 mm (1.2 in)	48 of 100 (Notable)
Altotonga	Mexico	Record low maximum temperature	11.1 C (52.0 F)	48 of 100 (Notable)
Cambridge	United States	Record low maximum temperature	17.2 C (63.0 F)	48 of 100 (Notable)
Redesdale	Australia	Record daily precipitation	25.0 mm (1.0 in)	47 of 100 (Notable)
Iizuka	Japan	Record daily precipitation	130.0 mm (5.1 in)	47 of 100 (Notable)
Scott City	United States	Record low maximum temperature	18.3 C (64.9 F)	47 of 100 (Notable)
Wessington Springs	United States	Record low maximum temperature	18.9 C (66.0 F)	46 of 100 (Notable)
West Bend	United States	Record daily precipitation	48.3 mm (1.9 in)	46 of 100 (Notable)
Shimonoseki	Japan	Record daily precipitation	121.9 mm (4.8 in)	45 of 100 (Notable)
El Platanito	Mexico	Record low minimum temperature	10.0 C (50.0 F)	45 of 100 (Notable)
Tanguj	Russia	Record daily precipitation	35.1 mm (1.4 in)	45 of 100 (Notable)
Eastbourne	United Kingdom	Record high minimum temperature	21.0 C (69.8 F)	45 of 100 (Notable)
Healy	United States	Record low maximum temperature	17.8 C (64.0 F)	45 of 100 (Notable)
Koetong	Australia	Record daily precipitation	31.4 mm (1.2 in)	44 of 100 (Notable)
Laporte	United States	Record daily precipitation	31.8 mm (1.3 in)	44 of 100 (Notable)
Hebron	United States	Record low maximum temperature	18.9 C (66.0 F)	44 of 100 (Notable)
Wymah (Gwandallen)	Australia	Record daily precipitation	36.0 mm (1.4 in)	43 of 100 (Notable)
Wray	United States	Record low maximum temperature	18.3 C (64.9 F)	43 of 100 (Notable)
Walla Walla Post Office	Australia	Record daily precipitation	26.4 mm (1.0 in)	42 of 100 (Notable)
Kergunyah South	Australia	Record daily precipitation	32.6 mm (1.3 in)	42 of 100 (Notable)
Tallangatta Dcnr	Australia	Record daily precipitation	33.8 mm (1.3 in)	42 of 100 (Notable)
Yandoit	Australia	Record daily precipitation	29.8 mm (1.2 in)	42 of 100 (Notable)
Capitan Carlos Martinez de Pi	Peru	Record high minimum temperature	21.2 C (70.2 F)	42 of 100 (Notable)
Kremmling	United States	Record low maximum temperature	15.6 C (60.1 F)	42 of 100 (Notable)
Rangely 1E	United States	Record low maximum temperature	21.1 C (70.0 F)	42 of 100 (Notable)
Manistique Wwtp	United States	Record low maximum temperature	16.7 C (62.1 F)	42 of 100 (Notable)
Binda Post Office	Australia	Record daily precipitation	26.2 mm (1.0 in)	41 of 100 (Notable)
Tecolutla	Mexico	Record high maximum temperature	40.0 C (104.0 F)	41 of 100 (Notable)
Bushnell 1 E	United States	Record high maximum temperature	37.8 C (100.0 F)	41 of 100 (Notable)
Horton	United States	Record low maximum temperature	21.7 C (71.1 F)	41 of 100 (Notable)
Hay Springs	United States	Record low maximum temperature	17.2 C (63.0 F)	41 of 100 (Notable)
Imperial	United States	Record low maximum temperature	16.7 C (62.1 F)	41 of 100 (Notable)
Crockett	United States	Record high minimum temperature	25.6 C (78.1 F)	41 of 100 (Notable)
Perryton 11 WNW	United States	Record daily precipitation	35.6 mm (1.4 in)	41 of 100 (Notable)
Peechelba East	Australia	Record daily precipitation	31.0 mm (1.2 in)	40 of 100 (Notable)
Tajshet	Russia	Record daily precipitation	46.6 mm (1.8 in)	40 of 100 (Notable)
Kosch-Agach	Russia	Record low maximum temperature	7.5 C (45.5 F)	40 of 100 (Notable)
Armagh	United Kingdom	Record high maximum temperature	24.8 C (76.6 F)	40 of 100 (Notable)

Counts by Type and Timescale

1,363 records

Records set or tied on 12 August 1997 by type: Highest daily maximum 224, Lowest daily maximum 306, Highest daily minimum 287, Lowest daily minimum 119, Heaviest daily rainfall 427.

Records on 12 August 1997 by type
Record type	Records
Highest daily maximum	224
Lowest daily maximum	306
Highest daily minimum	287
Lowest daily minimum	119
Heaviest daily rainfall	427
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 12 August 1997 by timescale: all-time 1, monthly 30, daily 1,332.

How Much Records Were Beaten By

1,085 broken records

Margins by which the 1,085 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 108.3. Ties are not counted.

Top 20 by Significance

12 August 1997

Top 20 records on 12 August 1997 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
12 August 1997	Kanosh, US	daily rain	43.7 mm (1.7 in)	33.5 mm (1.3 in)	76 years	71 of 100 (Major)
12 August 1997	Palermo, IT	daily rain	42.7 mm (1.7 in)	34.4 mm (1.4 in)	125 years	70 of 100 (Major)
12 August 1997	Zametchino, RU	daily rain	37.3 mm (1.5 in)	20.7 mm (0.8 in)	101 years	70 of 100 (Major)
12 August 1997	Bungowannah (Roseleigh), AU	daily rain	38.4 mm (1.5 in)	18.1 mm (0.7 in)	88 years	67 of 100 (Major)
12 August 1997	Whorouly, AU	daily rain	37.0 mm (1.5 in)	22.0 mm (0.9 in)	80 years	66 of 100 (Major)
12 August 1997	Holbrook (Glenfalloch), AU	monthly rain	88.2 mm (3.5 in)	44.2 mm (1.7 in)	13 years	62 of 100 (Major)
12 August 1997	Hume Reservoir, AU	daily rain	35.0 mm (1.4 in)	20.5 mm (0.8 in)	75 years	58 of 100 (Notable)
12 August 1997	Boorhaman, AU	daily rain	33.0 mm (1.3 in)	12.9 mm (0.5 in)	88 years	57 of 100 (Notable)
12 August 1997	Fukuoka, JP	daily rain	134.1 mm (5.3 in)	108.3 mm (4.3 in)	44 years	57 of 100 (Notable)
12 August 1997	Dzerzhinskoe, RU	daily rain	40.9 mm (1.6 in)	27.8 mm (1.1 in)	40 years	57 of 100 (Notable)
12 August 1997	Holbrook (Narrawa), AU	daily rain	39.4 mm (1.6 in)	25.9 mm (1.0 in)	42 years	54 of 100 (Notable)
12 August 1997	Rocky Ford 2 SE, US	daily rain	46.5 mm (1.8 in)	20.8 mm (0.8 in)	74 years	53 of 100 (Notable)
12 August 1997	Regnier, US	daily rain	56.1 mm (2.2 in)	38.1 mm (1.5 in)	16 years	53 of 100 (Notable)
12 August 1997	Yackandandah, AU	daily rain	44.2 mm (1.7 in)	11.7 mm (0.5 in)	99 years	52 of 100 (Notable)
12 August 1997	Corowa Airport, AU	daily rain	32.0 mm (1.3 in)	16.5 mm (0.6 in)	36 years	51 of 100 (Notable)
12 August 1997	Howlong Post Office, AU	daily rain	34.4 mm (1.4 in)	13.6 mm (0.5 in)	68 years	51 of 100 (Notable)
12 August 1997	Barnawartha, AU	daily rain	37.0 mm (1.5 in)	18.7 mm (0.7 in)	36 years	51 of 100 (Notable)
12 August 1997	Rutherglen Research, AU	daily rain	36.0 mm (1.4 in)	18.0 mm (0.7 in)	36 years	51 of 100 (Notable)
12 August 1997	Saint Johns, US	daily low max	16.7 C (62.1 F)	5.0 C (9.0 F)	94 years	51 of 100 (Notable)
12 August 1997	Beaver, US	daily rain	37.3 mm (1.5 in)	22.1 mm (0.9 in)	88 years	51 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 1,363 records.

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

Records on 08-12 in each year
Year	Records
1793	1
1796	1
1811	2
1814	1
1815	1
1825	1
1843	1
1851	1
1854	1
1855	2
1856	1
1861	1
1864	3
1865	1
1867	1
1868	1
1871	2
1872	1
1873	1
1874	2
1875	3
1876	2
1879	1
1881	2
1883	1
1884	1
1885	1
1887	2
1888	2
1889	4
1890	4
1891	4
1892	2
1893	1
1894	1
1895	6
1896	2
1897	4
1898	1
1899	10
1900	1
1901	5
1902	9
1903	14
1904	13
1905	16
1906	8
1907	8
1908	31
1909	42
1910	16
1911	33
1912	40
1913	39
1914	26
1915	46
1916	31
1917	134
1918	37
1919	42
1920	26
1921	174
1922	71
1923	89
1924	267
1925	150
1926	154
1927	145
1928	173
1929	276
1930	501
1931	708
1932	418
1933	271
1934	471
1935	408
1936	591
1937	356
1938	237
1939	282
1940	545
1941	481
1942	257
1943	523
1944	595
1945	295
1946	655
1947	729
1948	384
1949	469
1950	442
1951	357
1952	533
1953	227
1954	969
1955	590
1956	265
1957	384
1958	406
1959	388
1960	707
1961	381
1962	466
1963	559
1964	1,346
1965	977
1966	777
1967	1,135
1968	444
1969	629
1970	422
1971	486
1972	473
1973	442
1974	560
1975	593
1976	495
1977	747
1978	571
1979	1,192
1980	692
1981	665
1982	789
1983	923
1984	665
1985	935
1986	615
1987	935
1988	1,518
1989	827
1990	727
1991	726
1992	1,134
1993	936
1994	861
1995	1,654
1996	1,336
1997	1,363
1998	1,215
1999	1,325
2000	741
2001	855
2002	1,345
2003	1,752
2004	1,872
2005	1,085
2006	874
2007	1,209
2008	970
2009	814
2010	1,907
2011	903
2012	910
2013	427
2014	787
2015	757
2016	1,290
2017	533
2018	571
2019	695
2020	730
2021	980
2022	616
2023	779
2024	659
2025	639
2026	849

Download the Data

Data for records on 1997-08-12: 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	1,046
20 to 40	33
40 to 60	3
60 to 80	0
80 to 100	1
100 to 120	2