Weather Records on 31 August 1997

943 weather records were set or tied worldwide on 31 August 1997. Highest significance: Tribes Hill, US.

Key Facts for 31 August 1997

On 31 August 1997, 943 weather records were set or tied at long-record stations worldwide.
542 were record highs and 113 were record lows, counting maximum and minimum temperature.
By timescale, 4 were all-time records, 26 monthly and 913 daily.
Tribes Hill set an all-time record daily precipitation of 138.7 mm (5.5 in) on 31 August 1997.
Across 165 earlier years (1796 to 2026) the same calendar date averaged 433 records.

Record Map

943 stations

943 station records on 31 August 1997 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 31 August 1997: highest significance records shown on the map
Station	Country	Type	Value	Significance
Tribes Hill	United States	Record daily precipitation	138.7 mm (5.5 in)	87 of 100 (Exceptional)
Wallareenya	Australia	Record daily precipitation	44.0 mm (1.7 in)	75 of 100 (Major)
Gaddede	Sweden	Record daily precipitation	45.0 mm (1.8 in)	72 of 100 (Major)
Victoria Sugar Mill	Australia	Record daily precipitation	33.3 mm (1.3 in)	69 of 100 (Major)
Majors Creek	Australia	Record daily precipitation	87.2 mm (3.4 in)	65 of 100 (Major)
Giru Post Office	Australia	Record daily precipitation	59.2 mm (2.3 in)	64 of 100 (Major)
Jamestown Muni AP	United States	Record daily precipitation	100.8 mm (4.0 in)	58 of 100 (Notable)
Lyndon	Australia	Record daily precipitation	25.0 mm (1.0 in)	57 of 100 (Notable)
Tunnsjo	Norway	Record daily precipitation	34.1 mm (1.3 in)	57 of 100 (Notable)
Anchorage Ted Stevens Intl AP	United States	Record daily precipitation	63.8 mm (2.5 in)	57 of 100 (Notable)
Elmendorf AFB	United States	Record daily precipitation	48.3 mm (1.9 in)	56 of 100 (Notable)
Meredith	United States	Record daily precipitation	67.1 mm (2.6 in)	55 of 100 (Notable)
Glen-Ayle	Australia	Record daily precipitation	32.0 mm (1.3 in)	53 of 100 (Notable)
Jormlien	Sweden	Record daily precipitation	37.4 mm (1.5 in)	53 of 100 (Notable)
Hillsboro	United States	Record high minimum temperature	19.4 C (66.9 F)	52 of 100 (Notable)
Altotonga	Mexico	Record low maximum temperature	10.6 C (51.1 F)	50 of 100 (Notable)
Gila Bend 2SE	United States	Record daily precipitation	25.4 mm (1.0 in)	50 of 100 (Notable)
Wasilla 3 S	United States	Record daily precipitation	42.9 mm (1.7 in)	50 of 100 (Notable)
Tully River Station	Australia	Record daily precipitation	51.0 mm (2.0 in)	49 of 100 (Notable)
El Cajoncito	Mexico	Record daily precipitation	70.9 mm (2.8 in)	48 of 100 (Notable)
Federal Pt	United States	Record high minimum temperature	25.6 C (78.1 F)	48 of 100 (Notable)
Halifax Macrossan St	Australia	Record daily precipitation	48.6 mm (1.9 in)	46 of 100 (Notable)
Shirbourne Park	Australia	Record daily precipitation	44.0 mm (1.7 in)	45 of 100 (Notable)
Casa Grande Nm	United States	Record daily precipitation	30.7 mm (1.2 in)	44 of 100 (Notable)
Capitan Carlos Martinez de Pi	Peru	Record high minimum temperature	20.7 C (69.3 F)	43 of 100 (Notable)
Bjorkvik	Sweden	Record daily precipitation	41.6 mm (1.6 in)	43 of 100 (Notable)
Keithsburg	United States	Record daily precipitation	74.9 mm (2.9 in)	43 of 100 (Notable)
South Johnstone Exp STN	Australia	Record daily precipitation	30.8 mm (1.2 in)	42 of 100 (Notable)
Dalrymple Heights	Australia	Record daily precipitation	68.0 mm (2.7 in)	42 of 100 (Notable)
Moss Vale Station	Australia	Record daily precipitation	45.0 mm (1.8 in)	42 of 100 (Notable)
Lajas Substn	Puerto Rico [United States]	Record high maximum temperature	35.0 C (95.0 F)	42 of 100 (Notable)
Myronivka	Ukraine	Record daily precipitation	74.9 mm (2.9 in)	42 of 100 (Notable)
Espanola	United States	Record high minimum temperature	15.6 C (60.1 F)	42 of 100 (Notable)
Valdez WSO	United States	Record daily precipitation	73.4 mm (2.9 in)	42 of 100 (Notable)
Warrawagine	Australia	Record daily precipitation	25.0 mm (1.0 in)	41 of 100 (Notable)
Babinda Post Office	Australia	Record daily precipitation	51.4 mm (2.0 in)	41 of 100 (Notable)
Innisfail	Australia	Record daily precipitation	50.4 mm (2.0 in)	41 of 100 (Notable)
Halmstad	Sweden	Record high maximum temperature	25.6 C (78.1 F)	41 of 100 (Notable)
St Petersburg	United States	Record high maximum temperature	35.6 C (96.1 F)	41 of 100 (Notable)
Gastonia	United States	Record high minimum temperature	28.9 C (84.0 F)	40 of 100 (Notable)
Alvin	United States	Record high minimum temperature	24.4 C (75.9 F)	40 of 100 (Notable)
Drevja	Norway	Record daily precipitation	43.7 mm (1.7 in)	39 of 100 (Notable)
Tiree	United Kingdom	Record daily precipitation	36.4 mm (1.4 in)	39 of 100 (Notable)
Saguache	United States	Record daily precipitation	26.2 mm (1.0 in)	39 of 100 (Notable)
Clay Ctr	United States	Record daily precipitation	80.8 mm (3.2 in)	39 of 100 (Notable)
Luna Rs	United States	Record high minimum temperature	11.7 C (53.1 F)	39 of 100 (Notable)
Finch Hatton Cook St	Australia	Record daily precipitation	49.0 mm (1.9 in)	38 of 100 (Notable)
Broadleigh Downs	Australia	Record daily precipitation	25.4 mm (1.0 in)	38 of 100 (Notable)
Yanji	China	Record daily precipitation	64.3 mm (2.5 in)	38 of 100 (Notable)
Ft Morgan	United States	Record high minimum temperature	18.9 C (66.0 F)	38 of 100 (Notable)
Lake Alfred Exp STN	United States	Record high maximum temperature	36.7 C (98.1 F)	38 of 100 (Notable)
Elphinstone Pocket No1	Australia	Record daily precipitation	28.0 mm (1.1 in)	37 of 100 (Notable)
Puente Jula	Mexico	Record daily precipitation	109.2 mm (4.3 in)	37 of 100 (Notable)
Hemavan	Sweden	Record daily precipitation	27.1 mm (1.1 in)	37 of 100 (Notable)
Gordonvale Post Office	Australia	Record daily precipitation	30.0 mm (1.2 in)	36 of 100 (Notable)
Happy Valley	Australia	Record daily precipitation	75.0 mm (3.0 in)	36 of 100 (Notable)
Siping	China	Record daily precipitation	54.0 mm (2.1 in)	36 of 100 (Notable)
El Platanito	Mexico	Record low minimum temperature	10.0 C (50.0 F)	36 of 100 (Notable)
Adjuntas 2 NW	Puerto Rico [United States]	Record daily precipitation	147.8 mm (5.8 in)	36 of 100 (Notable)
Albion	United States	Record high minimum temperature	23.3 C (73.9 F)	36 of 100 (Notable)

Counts by Type and Timescale

943 records

Records set or tied on 31 August 1997 by type: Highest daily maximum 207, Lowest daily maximum 42, Highest daily minimum 335, Lowest daily minimum 71, Heaviest daily rainfall 288.

Records on 31 August 1997 by type
Record type	Records
Highest daily maximum	207
Lowest daily maximum	42
Highest daily minimum	335
Lowest daily minimum	71
Heaviest daily rainfall	288
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 31 August 1997 by timescale: all-time 4, monthly 26, daily 913.

How Much Records Were Beaten By

733 broken records

Margins by which the 733 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 69.3. Ties are not counted.

Top 20 by Significance

31 August 1997

Top 20 records on 31 August 1997 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
31 August 1997	Tribes Hill, US	all-time rain	138.7 mm (5.5 in)	37.1 mm (1.5 in)	82 years	87 of 100 (Exceptional)
31 August 1997	Wallareenya, AU	daily rain	44.0 mm (1.7 in)	44.0 mm (1.7 in)	88 years	75 of 100 (Major)
31 August 1997	Gaddede, SE	daily rain	45.0 mm (1.8 in)	21.0 mm (0.8 in)	88 years	72 of 100 (Major)
31 August 1997	Victoria Sugar Mill, AU	daily rain	33.3 mm (1.3 in)	25.7 mm (1.0 in)	88 years	69 of 100 (Major)
31 August 1997	Majors Creek, AU	monthly rain	87.2 mm (3.4 in)	36.4 mm (1.4 in)	57 years	65 of 100 (Major)
31 August 1997	Giru Post Office, AU	daily rain	59.2 mm (2.3 in)	53.4 mm (2.1 in)	63 years	64 of 100 (Major)
31 August 1997	Jamestown Muni AP, US	monthly rain	100.8 mm (4.0 in)	48.5 mm (1.9 in)	12 years	58 of 100 (Notable)
31 August 1997	Lyndon, AU	daily rain	25.0 mm (1.0 in)	24.7 mm (1.0 in)	76 years	57 of 100 (Notable)
31 August 1997	Tunnsjo, NO	daily rain	34.1 mm (1.3 in)	19.9 mm (0.8 in)	44 years	57 of 100 (Notable)
31 August 1997	Anchorage Ted Stevens Intl AP, US	daily rain	63.8 mm (2.5 in)	39.9 mm (1.6 in)	44 years	57 of 100 (Notable)
31 August 1997	Elmendorf AFB, US	daily rain	48.3 mm (1.9 in)	25.9 mm (1.0 in)	38 years	56 of 100 (Notable)
31 August 1997	Meredith, US	all-time rain	67.1 mm (2.6 in)	12.5 mm (0.5 in)	13 years	55 of 100 (Notable)
31 August 1997	Glen-Ayle, AU	daily rain	32.0 mm (1.3 in)	28.2 mm (1.1 in)	36 years	53 of 100 (Notable)
31 August 1997	Jormlien, SE	daily rain	37.4 mm (1.5 in)	25.4 mm (1.0 in)	27 years	53 of 100 (Notable)
31 August 1997	Hillsboro, US	daily high min	19.4 C (66.9 F)	2.7 C (4.9 F)	100 years	52 of 100 (Notable)
31 August 1997	Altotonga, MX	daily low max	10.6 C (51.1 F)	6.1 C (11.0 F)	67 years	50 of 100 (Notable)
31 August 1997	Gila Bend 2SE, US	daily rain	25.4 mm (1.0 in)	13.2 mm (0.5 in)	88 years	50 of 100 (Notable)
31 August 1997	Wasilla 3 S, US	daily rain	42.9 mm (1.7 in)	27.2 mm (1.1 in)	16 years	50 of 100 (Notable)
31 August 1997	Tully River Station, AU	daily rain	51.0 mm (2.0 in)	40.0 mm (1.6 in)	20 years	49 of 100 (Notable)
31 August 1997	El Cajoncito, MX	daily rain	70.9 mm (2.8 in)	56.9 mm (2.2 in)	23 years	48 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

1796 to 1997

Records set or tied on this calendar date in each year from 1796 to 1997. 1997 had 943 records.

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

Records on 08-31 in each year
Year	Records
1796	1
1806	1
1807	2
1813	1
1814	1
1816	1
1827	1
1836	1
1846	1
1849	1
1851	1
1856	2
1858	1
1859	1
1860	1
1861	1
1863	1
1867	1
1869	1
1873	1
1875	1
1876	1
1877	2
1879	2
1881	3
1882	2
1885	1
1886	5
1887	1
1889	1
1890	2
1892	3
1893	1
1894	1
1895	1
1896	1
1897	5
1898	10
1899	4
1900	3
1901	5
1902	5
1903	16
1904	13
1905	8
1906	47
1907	6
1908	12
1909	39
1910	20
1911	31
1912	34
1913	40
1914	23
1915	71
1916	7
1917	60
1918	58
1919	25
1920	46
1921	86
1922	58
1923	63
1924	232
1925	111
1926	148
1927	103
1928	201
1929	300
1930	243
1931	192
1932	807
1933	424
1934	381
1935	540
1936	226
1937	508
1938	324
1939	296
1940	400
1941	528
1942	422
1943	650
1944	638
1945	572
1946	545
1947	473
1948	367
1949	409
1950	662
1951	910
1952	388
1953	1,054
1954	633
1955	539
1956	734
1957	317
1958	417
1959	496
1960	366
1961	625
1962	432
1963	415
1964	591
1965	886
1966	830
1967	952
1968	562
1969	474
1970	558
1971	326
1972	287
1973	793
1974	587
1975	658
1976	732
1977	621
1978	891
1979	400
1980	701
1981	692
1982	586
1983	788
1984	866
1985	854
1986	1,218
1987	836
1988	570
1989	622
1990	966
1991	848
1992	1,274
1993	1,286
1994	1,139
1995	1,077
1996	1,451
1997	943
1998	1,163
1999	988
2000	1,545
2001	944
2002	852
2003	1,232
2004	963
2005	1,782
2006	1,147
2007	1,110
2008	870
2009	1,224
2010	1,490
2011	994
2012	932
2013	771
2014	458
2015	1,074
2016	599
2017	596
2018	366
2019	781
2020	737
2021	553
2022	1,191
2023	600
2024	766
2025	307
2026	595

Download the Data

Data for records on 1997-08-31: 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	624
10 to 20	62
20 to 30	25
30 to 40	12
40 to 50	5
50 to 60	3
60 to 70	2