Weather Records on 12 September 1997

737 weather records were set or tied worldwide on 12 September 1997. Highest significance: Matamoras, US.

Key Facts for 12 September 1997

On 12 September 1997, 737 weather records were set or tied at long-record stations worldwide.
332 were record highs and 180 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 25 monthly and 712 daily.
Matamoras set a daily record precipitation of 70.9 mm (2.8 in) on 12 September 1997.
Across 164 earlier years (1793 to 2026) the same calendar date averaged 411 records.

Record Map

737 stations

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

Weather records on 12 September 1997: highest significance records shown on the map
Station	Country	Type	Value	Significance
Matamoras	United States	Record daily precipitation	70.9 mm (2.8 in)	59 of 100 (Notable)
Long Pond Pocono Lake	United States	Record daily precipitation	91.9 mm (3.6 in)	52 of 100 (Notable)
Forman 5 SSE	United States	Record daily precipitation	40.6 mm (1.6 in)	50 of 100 (Notable)
Etchojoa	Mexico	Record daily precipitation	85.9 mm (3.4 in)	46 of 100 (Notable)
Pearce - Sunsites	United States	Record daily precipitation	31.0 mm (1.2 in)	46 of 100 (Notable)
Yakutat AP	United States	Record high maximum temperature	22.8 C (73.0 F)	46 of 100 (Notable)
Charlotteburg Rsvr	United States	Record daily precipitation	122.7 mm (4.8 in)	45 of 100 (Notable)
Melrose	United States	Record daily precipitation	46.7 mm (1.8 in)	45 of 100 (Notable)
Gardnerville	United States	Record daily precipitation	80.5 mm (3.2 in)	44 of 100 (Notable)
Sion 2	Switzerland	Record daily precipitation	40.4 mm (1.6 in)	43 of 100 (Notable)
Ellenville	United States	Record daily precipitation	90.4 mm (3.6 in)	42 of 100 (Notable)
Capitan Carlos Martinez de Pi	Peru	Record high minimum temperature	20.0 C (68.0 F)	41 of 100 (Notable)
Ft Benton	United States	Record high minimum temperature	13.9 C (57.0 F)	41 of 100 (Notable)
Liberty 1 NE	United States	Record daily precipitation	81.3 mm (3.2 in)	41 of 100 (Notable)
Redig 11 NE	United States	Record high minimum temperature	18.9 C (66.0 F)	41 of 100 (Notable)
Kalihi Rsch Site 777	United States	Record daily precipitation	54.9 mm (2.2 in)	41 of 100 (Notable)
Chalco -San Lucas-	Mexico	Record daily precipitation	59.7 mm (2.4 in)	39 of 100 (Notable)
Tobyhanna Pocono Mtn AP	United States	Record daily precipitation	54.9 mm (2.2 in)	39 of 100 (Notable)
Tianshui	China	Record daily precipitation	49.8 mm (2.0 in)	38 of 100 (Notable)
Deadwood	United States	Record high minimum temperature	16.7 C (62.1 F)	38 of 100 (Notable)
Col du Grand St-Bernard	Switzerland	Record daily precipitation	32.6 mm (1.3 in)	37 of 100 (Notable)
Paupack 1 WSW	United States	Record daily precipitation	84.6 mm (3.3 in)	37 of 100 (Notable)
Avon	United States	Record daily precipitation	26.2 mm (1.0 in)	36 of 100 (Notable)
Claryville	United States	Record daily precipitation	79.5 mm (3.1 in)	36 of 100 (Notable)
Brownsville	United States	Record low minimum temperature	4.4 C (39.9 F)	36 of 100 (Notable)
Pogranichnyj	Russia	Record low minimum temperature	1.4 C (34.5 F)	35 of 100 (Notable)
Phillipsburg-Easton Brg	United States	Record daily precipitation	47.5 mm (1.9 in)	35 of 100 (Notable)
Sussex 1 NW	United States	Record daily precipitation	47.2 mm (1.9 in)	35 of 100 (Notable)
Sabancuy	Mexico	Record daily precipitation	62.0 mm (2.4 in)	33 of 100 (Routine)
Anadyr	Russia	Record high minimum temperature	10.9 C (51.6 F)	33 of 100 (Routine)
Podor	Senegal	Record low maximum temperature	26.9 C (80.4 F)	33 of 100 (Routine)
Francis E Walter Dam	United States	Record daily precipitation	37.6 mm (1.5 in)	33 of 100 (Routine)
Lusk 2 SW	United States	Record high minimum temperature	14.4 C (57.9 F)	33 of 100 (Routine)
Cordova AP	United States	Record high maximum temperature	22.8 C (73.0 F)	33 of 100 (Routine)
Urepetiro	Mexico	Record high maximum temperature	28.9 C (84.0 F)	31 of 100 (Routine)
Sovatnet	Norway	Record daily precipitation	73.4 mm (2.9 in)	31 of 100 (Routine)
Petrified Forest Np	United States	Record daily precipitation	30.5 mm (1.2 in)	31 of 100 (Routine)
Inverness 3 SE	United States	Record low minimum temperature	15.0 C (59.0 F)	31 of 100 (Routine)
Split Rock Pond	United States	Record daily precipitation	116.3 mm (4.6 in)	31 of 100 (Routine)
Belle Fourche	United States	Record high minimum temperature	20.0 C (68.0 F)	31 of 100 (Routine)
Oujda	Morocco	Record high minimum temperature	21.3 C (70.3 F)	30 of 100 (Routine)
Atzalan	Mexico	Record low minimum temperature	8.9 C (48.0 F)	30 of 100 (Routine)
Moskalvo	Russia	Record low minimum temperature	1.4 C (34.5 F)	30 of 100 (Routine)
Elk City 1NE	United States	Record high minimum temperature	9.4 C (48.9 F)	30 of 100 (Routine)
Lennep 5 SW	United States	Record daily precipitation	25.9 mm (1.0 in)	30 of 100 (Routine)
Mc Leod 3 E	United States	Record daily precipitation	59.9 mm (2.4 in)	30 of 100 (Routine)
Graterford 1 E	United States	Record daily precipitation	82.8 mm (3.3 in)	30 of 100 (Routine)
Hawley 1 E	United States	Record daily precipitation	67.3 mm (2.6 in)	30 of 100 (Routine)
Ixcateopan de Tlapa	Mexico	Record low maximum temperature	21.1 C (70.0 F)	29 of 100 (Routine)
Fishs Eddy	United States	Record daily precipitation	41.1 mm (1.6 in)	29 of 100 (Routine)
Rock Hill 3 SW	United States	Record daily precipitation	50.3 mm (2.0 in)	29 of 100 (Routine)
Slide Mtn	United States	Record daily precipitation	86.4 mm (3.4 in)	29 of 100 (Routine)
Barrow AP	United States	Record high minimum temperature	3.3 C (37.9 F)	29 of 100 (Routine)
Bhuj-Rudramata	India	Record daily precipitation	90.9 mm (3.6 in)	28 of 100 (Routine)
San Miguel El Alto	Mexico	Record high maximum temperature	31.7 C (89.1 F)	28 of 100 (Routine)
Sandakan	Malaysia	Record daily precipitation	77.0 mm (3.0 in)	28 of 100 (Routine)
Hialeah	United States	Record daily precipitation	40.6 mm (1.6 in)	28 of 100 (Routine)
Middletown 2 NW	United States	Record daily precipitation	70.6 mm (2.8 in)	28 of 100 (Routine)
Rosendale 2 E	United States	Record daily precipitation	75.7 mm (3.0 in)	28 of 100 (Routine)
Chugwater	United States	Record high minimum temperature	13.3 C (55.9 F)	28 of 100 (Routine)

Counts by Type and Timescale

737 records

Records set or tied on 12 September 1997 by type: Highest daily maximum 144, Lowest daily maximum 72, Highest daily minimum 188, Lowest daily minimum 108, Heaviest daily rainfall 225.

Records on 12 September 1997 by type
Record type	Records
Highest daily maximum	144
Lowest daily maximum	72
Highest daily minimum	188
Lowest daily minimum	108
Heaviest daily rainfall	225
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 12 September 1997 by timescale: all-time 0, monthly 25, daily 712.

How Much Records Were Beaten By

534 broken records

Margins by which the 534 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 70.9. Ties are not counted.

Top 20 by Significance

12 September 1997

Top 20 records on 12 September 1997 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
12 September 1997	Matamoras, US	daily rain	70.9 mm (2.8 in)	32.3 mm (1.3 in)	92 years	59 of 100 (Notable)
12 September 1997	Long Pond Pocono Lake, US	daily rain	91.9 mm (3.6 in)	60.9 mm (2.4 in)	36 years	52 of 100 (Notable)
12 September 1997	Forman 5 SSE, US	daily rain	40.6 mm (1.6 in)	12.4 mm (0.5 in)	94 years	50 of 100 (Notable)
12 September 1997	Etchojoa, MX	daily rain	85.9 mm (3.4 in)	70.9 mm (2.8 in)	28 years	46 of 100 (Notable)
12 September 1997	Pearce - Sunsites, US	daily rain	31.0 mm (1.2 in)	21.9 mm (0.9 in)	31 years	46 of 100 (Notable)
12 September 1997	Yakutat AP, US	daily high max	22.8 C (73.0 F)	4.5 C (8.1 F)	67 years	46 of 100 (Notable)
12 September 1997	Charlotteburg Rsvr, US	daily rain	122.7 mm (4.8 in)	51.8 mm (2.0 in)	26 years	45 of 100 (Notable)
12 September 1997	Melrose, US	daily rain	46.7 mm (1.8 in)	14.2 mm (0.6 in)	84 years	45 of 100 (Notable)
12 September 1997	Gardnerville, US	daily rain	80.5 mm (3.2 in)	39.4 mm (1.6 in)	36 years	44 of 100 (Notable)
12 September 1997	Sion 2, CH	daily rain	40.4 mm (1.6 in)	20.9 mm (0.8 in)	3 years	43 of 100 (Notable)
12 September 1997	Ellenville, US	daily rain	90.4 mm (3.6 in)	39.3 mm (1.5 in)	36 years	42 of 100 (Notable)
12 September 1997	Capitan Carlos Martinez de Pi, PE	daily high min	20.0 C (68.0 F)	4.0 C (7.2 F)	20 years	41 of 100 (Notable)
12 September 1997	Ft Benton, US	daily high min	13.9 C (57.0 F)	1.1 C (2.0 F)	97 years	41 of 100 (Notable)
12 September 1997	Liberty 1 NE, US	daily rain	81.3 mm (3.2 in)	28.0 mm (1.1 in)	36 years	41 of 100 (Notable)
12 September 1997	Redig 11 NE, US	daily high min	18.9 C (66.0 F)	5.0 C (9.0 F)	78 years	41 of 100 (Notable)
12 September 1997	Kalihi Rsch Site 777, US	daily rain	54.9 mm (2.2 in)	14.3 mm (0.6 in)	83 years	41 of 100 (Notable)
12 September 1997	Chalco -San Lucas-, MX	monthly rain	59.7 mm (2.4 in)	17.3 mm (0.7 in)	9 years	39 of 100 (Notable)
12 September 1997	Tobyhanna Pocono Mtn AP, US	daily rain	54.9 mm (2.2 in)	41.9 mm (1.6 in)	22 years	39 of 100 (Notable)
12 September 1997	Tianshui, CN	daily rain	49.8 mm (2.0 in)	22.3 mm (0.9 in)	32 years	38 of 100 (Notable)
12 September 1997	Deadwood, US	daily high min	16.7 C (62.1 F)	2.3 C (4.1 F)	86 years	38 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 737 records.

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

Records on 09-12 in each year
Year	Records
1793	2
1809	1
1813	1
1814	2
1834	1
1837	2
1839	1
1847	1
1848	1
1854	4
1859	2
1860	2
1865	2
1866	1
1867	1
1868	2
1869	1
1872	2
1876	1
1878	1
1880	1
1881	1
1882	1
1884	2
1885	2
1886	1
1887	2
1888	2
1889	1
1891	4
1892	1
1893	4
1894	1
1895	5
1896	2
1897	3
1898	3
1899	4
1900	1
1901	5
1902	11
1903	18
1904	7
1905	8
1906	24
1907	11
1908	12
1909	11
1910	4
1911	15
1912	20
1913	12
1914	49
1915	71
1916	21
1917	231
1918	42
1919	69
1920	49
1921	60
1922	136
1923	33
1924	177
1925	443
1926	89
1927	339
1928	155
1929	118
1930	198
1931	648
1932	199
1933	360
1934	176
1935	441
1936	515
1937	318
1938	332
1939	702
1940	891
1941	172
1942	337
1943	544
1944	393
1945	414
1946	302
1947	596
1948	292
1949	512
1950	578
1951	399
1952	575
1953	515
1954	313
1955	457
1956	389
1957	727
1958	783
1959	536
1960	772
1961	750
1962	407
1963	466
1964	836
1965	459
1966	416
1967	510
1968	428
1969	558
1970	619
1971	593
1972	430
1973	588
1974	575
1975	1,102
1976	539
1977	524
1978	952
1979	765
1980	511
1981	424
1982	993
1983	915
1984	700
1985	876
1986	787
1987	686
1988	997
1989	1,313
1990	1,001
1991	672
1992	767
1993	798
1994	550
1995	532
1996	1,014
1997	737
1998	1,770
1999	938
2000	1,188
2001	797
2002	883
2003	830
2004	653
2005	1,032
2006	963
2007	776
2008	1,213
2009	876
2010	939
2011	988
2012	639
2013	1,066
2014	1,374
2015	704
2016	748
2017	1,114
2018	595
2019	884
2020	566
2021	513
2022	739
2023	844
2024	1,009
2025	433
2026	627

Download the Data

Data for records on 1997-09-12: 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 10	479
10 to 20	28
20 to 30	16
30 to 40	6
40 to 50	2
50 to 60	1
60 to 70	1
70 to 80	1