Weather Records on 7 September 1997

799 weather records were set or tied worldwide on 7 September 1997. Highest significance: Bertrand, US.

Key Facts for 7 September 1997

On 7 September 1997, 799 weather records were set or tied at long-record stations worldwide.
323 were record highs and 237 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 38 monthly and 759 daily.
Bertrand set a daily record precipitation of 72.4 mm (2.9 in) on 7 September 1997.
Across 165 earlier years (1802 to 2026) the same calendar date averaged 449 records.

Record Map

799 stations

799 station records on 7 September 1997 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 7 September 1997: highest significance records shown on the map
Station	Country	Type	Value	Significance
Bertrand	United States	Record daily precipitation	72.4 mm (2.9 in)	61 of 100 (Major)
Nagasaki	Japan	Record daily precipitation	181.1 mm (7.1 in)	56 of 100 (Notable)
Hita	Japan	Record daily precipitation	130.0 mm (5.1 in)	55 of 100 (Notable)
Arroio Grande	Brazil	Record daily precipitation	94.7 mm (3.7 in)	52 of 100 (Notable)
Magdalena	Mexico	Record daily precipitation	63.8 mm (2.5 in)	49 of 100 (Notable)
Saltville 1N	United States	Record low minimum temperature	3.9 C (39.0 F)	49 of 100 (Notable)
Manati 2 E	Puerto Rico [United States]	Record high minimum temperature	26.7 C (80.1 F)	48 of 100 (Notable)
Geneseo	United States	Record daily precipitation	54.6 mm (2.1 in)	48 of 100 (Notable)
Mozyr	Belarus	Record daily precipitation	35.1 mm (1.4 in)	46 of 100 (Notable)
Villa de Arriaga (Dge)	Mexico	Record daily precipitation	100.8 mm (4.0 in)	46 of 100 (Notable)
Sviland	Norway	Record daily precipitation	38.2 mm (1.5 in)	46 of 100 (Notable)
Greeneville Exp STN	United States	Record low minimum temperature	5.6 C (42.1 F)	46 of 100 (Notable)
Kumamoto	Japan	Record daily precipitation	91.9 mm (3.6 in)	45 of 100 (Notable)
Gabes	Tunisia	Record daily precipitation	55.1 mm (2.2 in)	45 of 100 (Notable)
Tryon	United States	Record daily precipitation	38.1 mm (1.5 in)	44 of 100 (Notable)
Saga	Japan	Record daily precipitation	108.0 mm (4.3 in)	43 of 100 (Notable)
La Providencia	Mexico	Record daily precipitation	69.9 mm (2.8 in)	43 of 100 (Notable)
Dores Do Rio Preto	Brazil	Record daily precipitation	75.2 mm (3.0 in)	42 of 100 (Notable)
Iizuka	Japan	Record daily precipitation	119.9 mm (4.7 in)	42 of 100 (Notable)
Cruillas	Mexico	Record low minimum temperature	8.9 C (48.0 F)	42 of 100 (Notable)
Mahackala	Russia	Record low minimum temperature	7.0 C (44.6 F)	41 of 100 (Notable)
Martenshoop (Pol)	South Africa	Record daily precipitation	30.7 mm (1.2 in)	41 of 100 (Notable)
Glennville 3NW	United States	Record low minimum temperature	13.9 C (57.0 F)	40 of 100 (Notable)
Yemassee 1 N	United States	Record low minimum temperature	7.8 C (46.0 F)	40 of 100 (Notable)
Kotzebue AP	United States	Record high minimum temperature	9.4 C (48.9 F)	40 of 100 (Notable)
Palmerville	Australia	Record high maximum temperature	36.0 C (96.8 F)	39 of 100 (Notable)
Bonny Dam 2NE	United States	Record daily precipitation	29.0 mm (1.1 in)	39 of 100 (Notable)
Mayaguez City	Puerto Rico [United States]	Record high minimum temperature	25.6 C (78.1 F)	38 of 100 (Notable)
Old Faithful	United States	Record daily precipitation	30.5 mm (1.2 in)	38 of 100 (Notable)
Sovatnet	Norway	Record daily precipitation	41.8 mm (1.6 in)	36 of 100 (Notable)
Indlunkulu (Bos)	South Africa	Record daily precipitation	31.9 mm (1.3 in)	36 of 100 (Notable)
Warrenton	United States	Record low minimum temperature	8.9 C (48.0 F)	36 of 100 (Notable)
Monticello	United States	Record high minimum temperature	25.0 C (77.0 F)	36 of 100 (Notable)
Summerville 4W	United States	Record low minimum temperature	10.0 C (50.0 F)	36 of 100 (Notable)
Lake City 2 E	United States	Record low minimum temperature	17.2 C (63.0 F)	35 of 100 (Notable)
Monticello	United States	Record low minimum temperature	9.4 C (48.9 F)	35 of 100 (Notable)
Yerevan	Armenia	Record low maximum temperature	22.0 C (71.6 F)	34 of 100 (Routine)
Bogoroditskoye-Fenino	Russia	Record low minimum temperature	2.0 C (35.6 F)	34 of 100 (Routine)
Doornkuil	South Africa	Record daily precipitation	40.0 mm (1.6 in)	34 of 100 (Routine)
Dublin	United States	Record low minimum temperature	10.6 C (51.1 F)	34 of 100 (Routine)
Calhoun Falls	United States	Record low minimum temperature	7.8 C (46.0 F)	34 of 100 (Routine)
Glen St Mary 1 W	United States	Record low minimum temperature	13.9 C (57.0 F)	33 of 100 (Routine)
Kingstree	United States	Record low minimum temperature	8.9 C (48.0 F)	33 of 100 (Routine)
Iwakuni	Japan	Record daily precipitation	82.6 mm (3.3 in)	32 of 100 (Routine)
Loreto	Mexico	Record daily precipitation	40.6 mm (1.6 in)	32 of 100 (Routine)
Dahlonega 4WSW	United States	Record low minimum temperature	7.8 C (46.0 F)	32 of 100 (Routine)
Butte	United States	Record daily precipitation	38.6 mm (1.5 in)	32 of 100 (Routine)
Huade	China	Record high maximum temperature	31.0 C (87.8 F)	31 of 100 (Routine)
Yan An	China	Record high maximum temperature	36.4 C (97.5 F)	31 of 100 (Routine)
Fukuoka	Japan	Record daily precipitation	122.4 mm (4.8 in)	31 of 100 (Routine)
San Juan de Los Planes	Mexico	Record low maximum temperature	26.7 C (80.1 F)	31 of 100 (Routine)
Anderson	United States	Record low minimum temperature	11.7 C (53.1 F)	31 of 100 (Routine)
Laurens	United States	Record low minimum temperature	7.8 C (46.0 F)	31 of 100 (Routine)
Paonia 1SW	United States	Record low maximum temperature	20.0 C (68.0 F)	30 of 100 (Routine)
Hilton Head	United States	Record low minimum temperature	10.6 C (51.1 F)	30 of 100 (Routine)
Pickens	United States	Record low minimum temperature	7.8 C (46.0 F)	30 of 100 (Routine)
Bonesteel	United States	Record daily precipitation	53.3 mm (2.1 in)	30 of 100 (Routine)
Matanuska Exp Farm	United States	Record high minimum temperature	12.2 C (54.0 F)	30 of 100 (Routine)
Gavar	Armenia	Record low maximum temperature	12.1 C (53.8 F)	29 of 100 (Routine)
St Marys (Clive Street)	Australia	Record daily precipitation	27.2 mm (1.1 in)	29 of 100 (Routine)

Counts by Type and Timescale

799 records

Records set or tied on 7 September 1997 by type: Highest daily maximum 158, Lowest daily maximum 53, Highest daily minimum 165, Lowest daily minimum 184, Heaviest daily rainfall 239.

Records on 7 September 1997 by type
Record type	Records
Highest daily maximum	158
Lowest daily maximum	53
Highest daily minimum	165
Lowest daily minimum	184
Heaviest daily rainfall	239
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 7 September 1997 by timescale: all-time 2, monthly 38, daily 759.

How Much Records Were Beaten By

625 broken records

Margins by which the 625 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 143.9. Ties are not counted.

Top 20 by Significance

7 September 1997

Top 20 records on 7 September 1997 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
7 September 1997	Bertrand, US	daily rain	72.4 mm (2.9 in)	43.4 mm (1.7 in)	51 years	61 of 100 (Major)
7 September 1997	Nagasaki, JP	daily rain	181.1 mm (7.1 in)	143.9 mm (5.7 in)	42 years	56 of 100 (Notable)
7 September 1997	Hita, JP	daily rain	130.0 mm (5.1 in)	95.3 mm (3.8 in)	36 years	55 of 100 (Notable)
7 September 1997	Arroio Grande, BR	daily rain	94.7 mm (3.7 in)	79.7 mm (3.1 in)	31 years	52 of 100 (Notable)
7 September 1997	Magdalena, MX	daily rain	63.8 mm (2.5 in)	39.9 mm (1.6 in)	26 years	49 of 100 (Notable)
7 September 1997	Saltville 1N, US	daily low min	3.9 C (39.0 F)	3.9 C (7.0 F)	100 years	49 of 100 (Notable)
7 September 1997	Manati 2 E, PR	monthly high min	26.7 C (80.1 F)	0.6 C (1.1 F)	83 years	48 of 100 (Notable)
7 September 1997	Geneseo, US	daily rain	54.6 mm (2.1 in)	33.8 mm (1.3 in)	55 years	48 of 100 (Notable)
7 September 1997	Mozyr, BY	daily rain	35.1 mm (1.4 in)	22.5 mm (0.9 in)	27 years	46 of 100 (Notable)
7 September 1997	Villa de Arriaga (Dge), MX	all-time rain	100.8 mm (4.0 in)	25.9 mm (1.0 in)	10 years	46 of 100 (Notable)
7 September 1997	Sviland, NO	daily rain	38.2 mm (1.5 in)	10.3 mm (0.4 in)	92 years	46 of 100 (Notable)
7 September 1997	Greeneville Exp STN, US	daily low min	5.6 C (42.1 F)	2.7 C (4.9 F)	100 years	46 of 100 (Notable)
7 September 1997	Kumamoto, JP	daily rain	91.9 mm (3.6 in)	66.0 mm (2.6 in)	42 years	45 of 100 (Notable)
7 September 1997	Gabes, TN	daily rain	55.1 mm (2.2 in)	37.7 mm (1.5 in)	64 years	45 of 100 (Notable)
7 September 1997	Tryon, US	daily rain	38.1 mm (1.5 in)	25.1 mm (1.0 in)	51 years	44 of 100 (Notable)
7 September 1997	Saga, JP	daily rain	108.0 mm (4.3 in)	69.6 mm (2.7 in)	36 years	43 of 100 (Notable)
7 September 1997	La Providencia, MX	daily rain	69.9 mm (2.8 in)	54.9 mm (2.2 in)	23 years	43 of 100 (Notable)
7 September 1997	Dores Do Rio Preto, BR	monthly rain	75.2 mm (3.0 in)	16.6 mm (0.7 in)	37 years	42 of 100 (Notable)
7 September 1997	Iizuka, JP	daily rain	119.9 mm (4.7 in)	59.5 mm (2.3 in)	43 years	42 of 100 (Notable)
7 September 1997	Cruillas, MX	daily low min	8.9 C (48.0 F)	8.9 C (16.0 F)	23 years	42 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

1802 to 1997

Records set or tied on this calendar date in each year from 1802 to 1997. 1997 had 799 records.

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

Records on 09-07 in each year
Year	Records
1802	2
1814	2
1816	1
1833	1
1845	2
1847	1
1848	1
1850	1
1852	1
1856	1
1859	1
1860	2
1861	1
1864	2
1865	3
1868	1
1870	1
1871	4
1872	3
1873	1
1877	4
1878	1
1879	1
1881	2
1882	1
1883	2
1886	1
1887	3
1888	1
1889	1
1890	2
1891	7
1892	3
1894	8
1895	7
1896	1
1897	2
1898	8
1899	3
1900	1
1901	6
1902	3
1903	7
1904	8
1905	20
1906	8
1907	5
1908	26
1909	11
1910	15
1911	20
1912	39
1913	20
1914	29
1915	28
1916	39
1917	44
1918	35
1919	184
1920	375
1921	80
1922	98
1923	125
1924	232
1925	303
1926	117
1927	147
1928	130
1929	355
1930	108
1931	400
1932	478
1933	287
1934	566
1935	275
1936	370
1937	260
1938	348
1939	634
1940	226
1941	451
1942	415
1943	591
1944	519
1945	482
1946	356
1947	625
1948	353
1949	705
1950	704
1951	342
1952	301
1953	446
1954	390
1955	405
1956	752
1957	498
1958	570
1959	583
1960	763
1961	312
1962	729
1963	448
1964	463
1965	672
1966	365
1967	535
1968	417
1969	696
1970	917
1971	648
1972	534
1973	674
1974	709
1975	423
1976	763
1977	674
1978	1,165
1979	583
1980	613
1981	622
1982	684
1983	1,235
1984	1,396
1985	1,459
1986	1,062
1987	956
1988	1,266
1989	553
1990	900
1991	957
1992	1,257
1993	720
1994	523
1995	1,093
1996	982
1997	799
1998	1,262
1999	1,087
2000	1,320
2001	1,068
2002	1,169
2003	768
2004	865
2005	708
2006	1,105
2007	1,171
2008	1,210
2009	713
2010	1,147
2011	1,452
2012	699
2013	981
2014	491
2015	637
2016	868
2017	966
2018	723
2019	743
2020	1,352
2021	794
2022	2,096
2023	1,116
2024	1,216
2025	711
2026	760

Download the Data

Data for records on 1997-09-07: 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	598
20 to 40	19
40 to 60	3
60 to 80	3
80 to 100	1
100 to 120	0
120 to 140	0
140 to 160	1