Weather Records on 30 August 1997

960 weather records were set or tied worldwide on 30 August 1997. Highest significance: Roros, NO.

Key Facts for 30 August 1997

On 30 August 1997, 960 weather records were set or tied at long-record stations worldwide.
616 were record highs and 89 were record lows, counting maximum and minimum temperature.
By timescale, 14 were all-time records, 34 monthly and 912 daily.
Roros set a daily record precipitation of 47.6 mm (1.9 in) on 30 August 1997.
Across 169 earlier years (1806 to 2026) the same calendar date averaged 420 records.

Record Map

960 stations

960 station records on 30 August 1997 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 August 1997: highest significance records shown on the map
Station	Country	Type	Value	Significance
Roros	Norway	Record daily precipitation	47.6 mm (1.9 in)	78 of 100 (Major)
Storbron	Sweden	Record daily precipitation	130.7 mm (5.1 in)	78 of 100 (Major)
Grovelsjon	Sweden	Record daily precipitation	117.0 mm (4.6 in)	77 of 100 (Major)
Tarcoola	Australia	Record daily precipitation	25.8 mm (1.0 in)	74 of 100 (Major)
Malmagen	Sweden	Record daily precipitation	128.0 mm (5.0 in)	72 of 100 (Major)
Idre_D	Sweden	Record daily precipitation	89.7 mm (3.5 in)	68 of 100 (Major)
Falkoping	Sweden	Record daily precipitation	94.6 mm (3.7 in)	61 of 100 (Major)
Drevsjo	Norway	Record daily precipitation	58.0 mm (2.3 in)	59 of 100 (Notable)
Charlottenberg	Sweden	Record daily precipitation	104.4 mm (4.1 in)	57 of 100 (Notable)
Mount Florance	Australia	Record daily precipitation	30.0 mm (1.2 in)	56 of 100 (Notable)
Hjo	Sweden	Record daily precipitation	58.1 mm (2.3 in)	56 of 100 (Notable)
Myskelasen_D	Sweden	Record daily precipitation	56.9 mm (2.2 in)	54 of 100 (Notable)
Mariestad	Sweden	Record daily precipitation	36.8 mm (1.4 in)	53 of 100 (Notable)
Tasan	Sweden	Record daily precipitation	71.0 mm (2.8 in)	53 of 100 (Notable)
Karlsborg_Mo	Sweden	Record daily precipitation	45.3 mm (1.8 in)	52 of 100 (Notable)
Letafors	Sweden	Record daily precipitation	87.3 mm (3.4 in)	52 of 100 (Notable)
Rena - Haugedalen	Norway	Record daily precipitation	44.8 mm (1.8 in)	51 of 100 (Notable)
Atnsjoen	Norway	Record daily precipitation	38.6 mm (1.5 in)	51 of 100 (Notable)
Holjes	Sweden	Record daily precipitation	80.8 mm (3.2 in)	51 of 100 (Notable)
Hiltaba	Australia	Record daily precipitation	25.6 mm (1.0 in)	50 of 100 (Notable)
Vastra_Arnas	Sweden	Record daily precipitation	35.9 mm (1.4 in)	49 of 100 (Notable)
Elista	Russia	Record daily precipitation	26.4 mm (1.0 in)	48 of 100 (Notable)
Ulricehamn	Sweden	Record daily precipitation	44.5 mm (1.8 in)	48 of 100 (Notable)
Loten_D	Sweden	Record daily precipitation	91.4 mm (3.6 in)	48 of 100 (Notable)
Grundforsen	Sweden	Record daily precipitation	88.0 mm (3.5 in)	48 of 100 (Notable)
Djursatra	Sweden	Record daily precipitation	64.1 mm (2.5 in)	47 of 100 (Notable)
Karesuando	Sweden	Record high minimum temperature	15.8 C (60.4 F)	46 of 100 (Notable)
Chiricahua Nm	United States	Record daily precipitation	52.8 mm (2.1 in)	46 of 100 (Notable)
Nordoyan Fyr	Norway	Record daily precipitation	26.3 mm (1.0 in)	44 of 100 (Notable)
Lisskogsasen	Sweden	Record daily precipitation	47.5 mm (1.9 in)	44 of 100 (Notable)
Flotningen	Sweden	Record daily precipitation	51.0 mm (2.0 in)	44 of 100 (Notable)
Habo	Sweden	Record daily precipitation	31.5 mm (1.2 in)	43 of 100 (Notable)
Capitan Carlos Martinez de Pi	Peru	Record high minimum temperature	20.5 C (68.9 F)	42 of 100 (Notable)
Milledgeville	United States	Record high maximum temperature	38.9 C (102.0 F)	42 of 100 (Notable)
Boquilla Numero Uno	Mexico	Record high minimum temperature	25.6 C (78.1 F)	41 of 100 (Notable)
Emiliano Zapata (Cfe)	Mexico	Record daily precipitation	69.6 mm (2.7 in)	41 of 100 (Notable)
Pinos (Smn)	Mexico	Record daily precipitation	53.6 mm (2.1 in)	41 of 100 (Notable)
Prescott Love Fld	United States	Record daily precipitation	35.1 mm (1.4 in)	41 of 100 (Notable)
Kuttabul Post Office	Australia	Record daily precipitation	44.4 mm (1.7 in)	40 of 100 (Notable)
Jarpliden	Sweden	Record daily precipitation	29.8 mm (1.2 in)	40 of 100 (Notable)
Glomfjord	Norway	Record high minimum temperature	21.9 C (71.4 F)	39 of 100 (Notable)
Soraby	Sweden	Record daily precipitation	48.3 mm (1.9 in)	39 of 100 (Notable)
Atorp	Sweden	Record daily precipitation	58.8 mm (2.3 in)	39 of 100 (Notable)
Kristinehamn	Sweden	Record daily precipitation	46.4 mm (1.8 in)	39 of 100 (Notable)
Salen	Sweden	Record daily precipitation	78.8 mm (3.1 in)	39 of 100 (Notable)
Karesuando	Sweden	Record high maximum temperature	22.2 C (72.0 F)	39 of 100 (Notable)
Portland	United States	Record high minimum temperature	27.8 C (82.0 F)	39 of 100 (Notable)
Skrova Fyr	Norway	Record high minimum temperature	19.6 C (67.3 F)	38 of 100 (Notable)
Chara	Russia	Record daily precipitation	42.3 mm (1.7 in)	38 of 100 (Notable)
Baldwin	United States	Record daily precipitation	76.7 mm (3.0 in)	38 of 100 (Notable)
El Platanito	Mexico	Record low minimum temperature	10.0 C (50.0 F)	37 of 100 (Notable)
Lincang	China	Record daily precipitation	77.8 mm (3.1 in)	36 of 100 (Notable)
Tromso	Norway	Record high maximum temperature	24.5 C (76.1 F)	36 of 100 (Notable)
Hoby	Sweden	Record daily precipitation	36.4 mm (1.4 in)	36 of 100 (Notable)
Gallivare_A	Sweden	Record high minimum temperature	13.0 C (55.4 F)	36 of 100 (Notable)
Aursund	Norway	Record daily precipitation	53.4 mm (2.1 in)	35 of 100 (Notable)
Jarnbergsas	Sweden	Record daily precipitation	44.2 mm (1.7 in)	35 of 100 (Notable)
Green Bay	United States	Record daily precipitation	32.5 mm (1.3 in)	35 of 100 (Notable)
La Estanzuela	Mexico	Record high maximum temperature	32.8 C (91.0 F)	34 of 100 (Routine)
Morko	Sweden	Record daily precipitation	44.8 mm (1.8 in)	34 of 100 (Routine)

Counts by Type and Timescale

960 records

Records set or tied on 30 August 1997 by type: Highest daily maximum 267, Lowest daily maximum 29, Highest daily minimum 349, Lowest daily minimum 60, Heaviest daily rainfall 255.

Records on 30 August 1997 by type
Record type	Records
Highest daily maximum	267
Lowest daily maximum	29
Highest daily minimum	349
Lowest daily minimum	60
Heaviest daily rainfall	255
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 30 August 1997 by timescale: all-time 14, monthly 34, daily 912.

How Much Records Were Beaten By

778 broken records

Margins by which the 778 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 79.0. Ties are not counted.

Top 20 by Significance

30 August 1997

Top 20 records on 30 August 1997 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 August 1997	Roros, NO	daily rain	47.6 mm (1.9 in)	27.6 mm (1.1 in)	95 years	78 of 100 (Major)
30 August 1997	Storbron, SE	all-time rain	130.7 mm (5.1 in)	56.6 mm (2.2 in)	44 years	78 of 100 (Major)
30 August 1997	Grovelsjon, SE	all-time rain	117.0 mm (4.6 in)	38.0 mm (1.5 in)	40 years	77 of 100 (Major)
30 August 1997	Tarcoola, AU	daily rain	25.8 mm (1.0 in)	19.4 mm (0.8 in)	87 years	74 of 100 (Major)
30 August 1997	Malmagen, SE	all-time rain	128.0 mm (5.0 in)	62.9 mm (2.5 in)	24 years	72 of 100 (Major)
30 August 1997	Idre_D, SE	all-time rain	89.7 mm (3.5 in)	24.7 mm (1.0 in)	11 years	68 of 100 (Major)
30 August 1997	Falkoping, SE	all-time rain	94.6 mm (3.7 in)	16.8 mm (0.7 in)	39 years	61 of 100 (Major)
30 August 1997	Drevsjo, NO	monthly rain	58.0 mm (2.3 in)	26.3 mm (1.0 in)	18 years	59 of 100 (Notable)
30 August 1997	Charlottenberg, SE	daily rain	104.4 mm (4.1 in)	79.0 mm (3.1 in)	40 years	57 of 100 (Notable)
30 August 1997	Mount Florance, AU	daily rain	30.0 mm (1.2 in)	28.0 mm (1.1 in)	56 years	56 of 100 (Notable)
30 August 1997	Hjo, SE	monthly rain	58.1 mm (2.3 in)	21.0 mm (0.8 in)	26 years	56 of 100 (Notable)
30 August 1997	Myskelasen_D, SE	all-time rain	56.9 mm (2.2 in)	9.4 mm (0.37 in)	45 years	54 of 100 (Notable)
30 August 1997	Mariestad, SE	daily rain	36.8 mm (1.4 in)	26.2 mm (1.0 in)	35 years	53 of 100 (Notable)
30 August 1997	Tasan, SE	monthly rain	71.0 mm (2.8 in)	25.8 mm (1.0 in)	1 year	53 of 100 (Notable)
30 August 1997	Karlsborg_Mo, SE	daily rain	45.3 mm (1.8 in)	29.0 mm (1.1 in)	35 years	52 of 100 (Notable)
30 August 1997	Letafors, SE	all-time rain	87.3 mm (3.4 in)	18.3 mm (0.7 in)	1 year	52 of 100 (Notable)
30 August 1997	Rena - Haugedalen, NO	daily rain	44.8 mm (1.8 in)	34.0 mm (1.3 in)	24 years	51 of 100 (Notable)
30 August 1997	Atnsjoen, NO	daily rain	38.6 mm (1.5 in)	27.6 mm (1.1 in)	24 years	51 of 100 (Notable)
30 August 1997	Holjes, SE	monthly rain	80.8 mm (3.2 in)	23.4 mm (0.9 in)	1 year	51 of 100 (Notable)
30 August 1997	Hiltaba, AU	daily rain	25.6 mm (1.0 in)	11.6 mm (0.5 in)	58 years	50 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

1806 to 1997

Records set or tied on this calendar date in each year from 1806 to 1997. 1997 had 960 records.

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

Records on 08-30 in each year
Year	Records
1806	1
1807	4
1813	1
1814	2
1827	1
1829	1
1835	1
1838	1
1839	1
1845	4
1850	1
1851	2
1855	1
1857	1
1859	1
1864	2
1867	1
1869	1
1870	2
1874	1
1875	2
1876	1
1877	2
1878	1
1880	4
1881	2
1882	1
1884	1
1885	5
1886	7
1887	1
1888	1
1889	2
1890	5
1891	1
1892	3
1893	3
1894	2
1895	1
1896	1
1897	3
1898	3
1899	2
1900	6
1901	8
1902	12
1903	19
1904	13
1905	23
1906	29
1907	8
1908	10
1909	37
1910	15
1911	41
1912	60
1913	22
1914	23
1915	47
1916	17
1917	50
1918	45
1919	17
1920	78
1921	100
1922	65
1923	61
1924	283
1925	167
1926	173
1927	109
1928	327
1929	208
1930	245
1931	192
1932	1,102
1933	274
1934	519
1935	476
1936	191
1937	418
1938	233
1939	401
1940	346
1941	422
1942	385
1943	487
1944	491
1945	455
1946	545
1947	599
1948	519
1949	240
1950	481
1951	1,091
1952	316
1953	1,124
1954	516
1955	417
1956	479
1957	321
1958	363
1959	546
1960	356
1961	573
1962	387
1963	442
1964	422
1965	1,118
1966	500
1967	536
1968	729
1969	522
1970	423
1971	443
1972	579
1973	646
1974	838
1975	664
1976	679
1977	665
1978	825
1979	517
1980	572
1981	684
1982	770
1983	696
1984	1,127
1985	629
1986	1,768
1987	638
1988	881
1989	791
1990	983
1991	938
1992	1,697
1993	1,200
1994	601
1995	940
1996	1,385
1997	960
1998	1,278
1999	864
2000	1,189
2001	750
2002	801
2003	1,226
2004	1,087
2005	1,500
2006	989
2007	1,300
2008	678
2009	1,251
2010	1,552
2011	994
2012	1,087
2013	644
2014	558
2015	1,074
2016	552
2017	924
2018	616
2019	755
2020	671
2021	429
2022	1,077
2023	651
2024	912
2025	324
2026	733

Download the Data

Data for records on 1997-08-30: 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	672
10 to 20	70
20 to 30	26
30 to 40	5
40 to 50	1
50 to 60	2
60 to 70	1
70 to 80	1