Weather Records on 23 September 2007

1,153 weather records were set or tied worldwide on 23 September 2007. Highest significance: Deer Flat Dam, US.

Key Facts for 23 September 2007

On 23 September 2007, 1,153 weather records were set or tied at long-record stations worldwide.
631 were record highs and 255 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 31 monthly and 1,121 daily.
Deer Flat Dam set a daily record precipitation of 34.3 mm (1.4 in) on 23 September 2007.
Across 169 earlier years (1793 to 2026) the same calendar date averaged 427 records.

Record Map

1,153 stations

1,153 station records on 23 September 2007 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 23 September 2007: highest significance records shown on the map
Station	Country	Type	Value	Significance
Deer Flat Dam	United States	Record daily precipitation	34.3 mm (1.4 in)	72 of 100 (Major)
Rome 2 NW	United States	Record daily precipitation	56.1 mm (2.2 in)	67 of 100 (Major)
Balasore	India	Record daily precipitation	138.9 mm (5.5 in)	62 of 100 (Major)
Tizi Ouzou	Algeria	Record daily precipitation	38.1 mm (1.5 in)	61 of 100 (Major)
Bluff	United States	Record daily precipitation	27.9 mm (1.1 in)	61 of 100 (Major)
Drummond Aviation	United States	Record daily precipitation	27.9 mm (1.1 in)	61 of 100 (Major)
Brays Creek (Misty Mountain)	Australia	Record daily precipitation	46.0 mm (1.8 in)	60 of 100 (Major)
St George	United States	Record daily precipitation	33.5 mm (1.3 in)	60 of 100 (Major)
Wishek	United States	Record daily precipitation	29.2 mm (1.1 in)	55 of 100 (Notable)
Cut Bank AP	United States	Record daily precipitation	31.8 mm (1.3 in)	55 of 100 (Notable)
La Crescenta Fc251 C	United States	Record daily precipitation	43.7 mm (1.7 in)	54 of 100 (Notable)
Sula 2 SE (Sula Rs)	United States	Record daily precipitation	31.2 mm (1.2 in)	50 of 100 (Notable)
Tomewin (Border Gate)	Australia	Record daily precipitation	38.2 mm (1.5 in)	48 of 100 (Notable)
Gateway 1ENE	United States	Record daily precipitation	41.9 mm (1.6 in)	48 of 100 (Notable)
Aneth Plt	United States	Record daily precipitation	27.9 mm (1.1 in)	48 of 100 (Notable)
Beerburrum Forest Station	Australia	Record daily precipitation	40.6 mm (1.6 in)	47 of 100 (Notable)
Coramba (Glenfiddich)	Australia	Record daily precipitation	46.2 mm (1.8 in)	47 of 100 (Notable)
Norwood	United States	Record daily precipitation	30.5 mm (1.2 in)	47 of 100 (Notable)
Rockville 5 N	United States	Record daily precipitation	36.3 mm (1.4 in)	47 of 100 (Notable)
Missoula Intl AP	United States	Record daily precipitation	25.7 mm (1.0 in)	47 of 100 (Notable)
Cooke City 2 W	United States	Record daily precipitation	28.2 mm (1.1 in)	46 of 100 (Notable)
Jamestown State Hosp	United States	Record high minimum temperature	16.1 C (61.0 F)	46 of 100 (Notable)
Dayton 1 WSW	United States	Record low minimum temperature	-2.8 C (27.0 F)	46 of 100 (Notable)
Grand Junction Walker Fld	United States	Record daily precipitation	27.7 mm (1.1 in)	46 of 100 (Notable)
Valley	United Kingdom	Record daily precipitation	31.8 mm (1.3 in)	45 of 100 (Notable)
Aberporth	United Kingdom	Record daily precipitation	28.4 mm (1.1 in)	45 of 100 (Notable)
Dupree	United States	Record high minimum temperature	20.6 C (69.1 F)	45 of 100 (Notable)
Quito	Mexico	Record high maximum temperature	36.7 C (98.1 F)	44 of 100 (Notable)
Altenbern	United States	Record daily precipitation	35.1 mm (1.4 in)	44 of 100 (Notable)
Nampa Sugar Factory	United States	Record daily precipitation	25.4 mm (1.0 in)	44 of 100 (Notable)
Charles City	United States	Record high maximum temperature	29.4 C (84.9 F)	44 of 100 (Notable)
Missoula 6 NW WFO	United States	Record daily precipitation	25.7 mm (1.0 in)	44 of 100 (Notable)
Blanding	United States	Record daily precipitation	26.9 mm (1.1 in)	44 of 100 (Notable)
Yellowstone Park Mammoth	United States	Record high minimum temperature	10.6 C (51.1 F)	44 of 100 (Notable)
Nimbin Post Office	Australia	Record daily precipitation	49.0 mm (1.9 in)	43 of 100 (Notable)
Beaver Dam	United States	Record daily precipitation	35.1 mm (1.4 in)	43 of 100 (Notable)
Agate 3 E	United States	Record high minimum temperature	12.8 C (55.0 F)	43 of 100 (Notable)
Orland	United States	Record low maximum temperature	15.6 C (60.1 F)	42 of 100 (Notable)
Sidney	United States	Record high minimum temperature	14.4 C (57.9 F)	42 of 100 (Notable)
Ramos Arizpe (Smn)	Mexico	Record high maximum temperature	35.6 C (96.1 F)	41 of 100 (Notable)
Calera	Mexico	Record high minimum temperature	20.6 C (69.1 F)	41 of 100 (Notable)
Valier	United States	Record daily precipitation	30.0 mm (1.2 in)	41 of 100 (Notable)
Red Rock Canyon - Spg Mt Rch S	United States	Record daily precipitation	25.4 mm (1.0 in)	41 of 100 (Notable)
Natural Bridges Nm	United States	Record daily precipitation	31.8 mm (1.3 in)	41 of 100 (Notable)
Fargo Hector Intl AP	United States	Record high maximum temperature	33.9 C (93.0 F)	41 of 100 (Notable)
Calcutta/Dum Dum	India	Record daily precipitation	128.0 mm (5.0 in)	40 of 100 (Notable)
Castle Rock	United States	Record high minimum temperature	14.4 C (57.9 F)	40 of 100 (Notable)
Glendive	United States	Record high minimum temperature	16.7 C (62.1 F)	40 of 100 (Notable)
Kremlin	United States	Record daily precipitation	32.3 mm (1.3 in)	40 of 100 (Notable)
Savage	United States	Record high minimum temperature	15.0 C (59.0 F)	40 of 100 (Notable)
Beaver Canyon Pwr House	United States	Record daily precipitation	26.7 mm (1.1 in)	40 of 100 (Notable)
Lowood Don St	Australia	Record daily precipitation	38.6 mm (1.5 in)	39 of 100 (Notable)
Bentley	Australia	Record daily precipitation	62.0 mm (2.4 in)	39 of 100 (Notable)
Portola	United States	Record low maximum temperature	11.1 C (52.0 F)	39 of 100 (Notable)
Mancos 1SW	United States	Record daily precipitation	33.8 mm (1.3 in)	39 of 100 (Notable)
Simpson 6 N - Wildhorse	United States	Record daily precipitation	29.0 mm (1.1 in)	39 of 100 (Notable)
Conondale Township	Australia	Record daily precipitation	32.2 mm (1.3 in)	38 of 100 (Notable)
Hetch Hetchy	United States	Record low maximum temperature	10.6 C (51.1 F)	38 of 100 (Notable)
Woodland 1 WNW	United States	Record low maximum temperature	17.2 C (63.0 F)	38 of 100 (Notable)
Flora 5 NW	United States	Record high maximum temperature	37.2 C (99.0 F)	38 of 100 (Notable)

Counts by Type and Timescale

1,153 records

Records set or tied on 23 September 2007 by type: Highest daily maximum 344, Lowest daily maximum 124, Highest daily minimum 287, Lowest daily minimum 131, Heaviest daily rainfall 266, Heaviest daily snowfall 1.

Records on 23 September 2007 by type
Record type	Records
Highest daily maximum	344
Lowest daily maximum	124
Highest daily minimum	287
Lowest daily minimum	131
Heaviest daily rainfall	266
Heaviest daily snowfall	1
Deepest snow cover	0

Records on 23 September 2007 by timescale: all-time 1, monthly 31, daily 1,121.

How Much Records Were Beaten By

888 broken records

Margins by which the 888 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 71.1. Ties are not counted.

Top 20 by Significance

23 September 2007

Top 20 records on 23 September 2007 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
23 September 2007	Deer Flat Dam, US	daily rain	34.3 mm (1.4 in)	17.8 mm (0.7 in)	88 years	72 of 100 (Major)
23 September 2007	Rome 2 NW, US	all-time rain	56.1 mm (2.2 in)	12.9 mm (0.5 in)	51 years	67 of 100 (Major)
23 September 2007	Balasore, IN	daily rain	138.9 mm (5.5 in)	48.7 mm (1.9 in)	105 years	62 of 100 (Major)
23 September 2007	Tizi Ouzou, DZ	daily rain	38.1 mm (1.5 in)	21.8 mm (0.9 in)	94 years	61 of 100 (Major)
23 September 2007	Bluff, US	daily rain	27.9 mm (1.1 in)	20.3 mm (0.8 in)	74 years	61 of 100 (Major)
23 September 2007	Drummond Aviation, US	daily rain	27.9 mm (1.1 in)	20.0 mm (0.8 in)	44 years	61 of 100 (Major)
23 September 2007	Brays Creek (Misty Mountain), AU	daily rain	46.0 mm (1.8 in)	31.5 mm (1.2 in)	52 years	60 of 100 (Major)
23 September 2007	St George, US	daily rain	33.5 mm (1.3 in)	19.8 mm (0.8 in)	69 years	60 of 100 (Major)
23 September 2007	Wishek, US	daily rain	29.2 mm (1.1 in)	17.8 mm (0.7 in)	77 years	55 of 100 (Notable)
23 September 2007	Cut Bank AP, US	daily rain	31.8 mm (1.3 in)	14.3 mm (0.6 in)	76 years	55 of 100 (Notable)
23 September 2007	La Crescenta Fc251 C, US	daily rain	43.7 mm (1.7 in)	40.4 mm (1.6 in)	48 years	54 of 100 (Notable)
23 September 2007	Sula 2 SE (Sula Rs), US	daily rain	31.2 mm (1.2 in)	19.0 mm (0.7 in)	22 years	50 of 100 (Notable)
23 September 2007	Tomewin (Border Gate), AU	daily rain	38.2 mm (1.5 in)	15.6 mm (0.6 in)	90 years	48 of 100 (Notable)
23 September 2007	Gateway 1ENE, US	daily rain	41.9 mm (1.6 in)	34.3 mm (1.4 in)	6 years	48 of 100 (Notable)
23 September 2007	Aneth Plt, US	daily rain	27.9 mm (1.1 in)	21.3 mm (0.8 in)	20 years	48 of 100 (Notable)
23 September 2007	Beerburrum Forest Station, AU	daily rain	40.6 mm (1.6 in)	27.2 mm (1.1 in)	32 years	47 of 100 (Notable)
23 September 2007	Coramba (Glenfiddich), AU	daily rain	46.2 mm (1.8 in)	37.3 mm (1.5 in)	36 years	47 of 100 (Notable)
23 September 2007	Norwood, US	daily rain	30.5 mm (1.2 in)	19.6 mm (0.8 in)	45 years	47 of 100 (Notable)
23 September 2007	Rockville 5 N, US	monthly rain	36.3 mm (1.4 in)	11.9 mm (0.5 in)	37 years	47 of 100 (Notable)
23 September 2007	Missoula Intl AP, US	daily rain	25.7 mm (1.0 in)	12.2 mm (0.5 in)	48 years	47 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 2007

Records set or tied on this calendar date in each year from 1793 to 2007. 2007 had 1,153 records.

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

Records on 09-23 in each year
Year	Records
1793	1
1796	1
1799	1
1804	1
1832	1
1835	1
1838	1
1842	3
1843	1
1845	2
1848	1
1849	1
1850	1
1851	2
1854	3
1855	1
1859	2
1864	1
1865	1
1866	1
1868	1
1871	1
1872	1
1874	1
1875	1
1876	1
1877	1
1881	4
1882	2
1885	1
1886	1
1887	1
1888	1
1889	3
1890	2
1891	1
1892	2
1893	4
1895	9
1896	5
1897	1
1898	2
1899	4
1900	4
1901	2
1902	6
1903	7
1904	19
1905	6
1906	6
1907	19
1908	19
1909	15
1910	8
1911	11
1912	15
1913	22
1914	29
1915	25
1916	324
1917	56
1918	34
1919	40
1920	44
1921	47
1922	34
1923	74
1924	194
1925	223
1926	459
1927	247
1928	382
1929	198
1930	472
1931	600
1932	383
1933	281
1934	361
1935	239
1936	377
1937	557
1938	389
1939	279
1940	374
1941	490
1942	557
1943	322
1944	381
1945	652
1946	623
1947	803
1948	259
1949	496
1950	267
1951	462
1952	432
1953	271
1954	324
1955	852
1956	299
1957	539
1958	641
1959	307
1960	470
1961	670
1962	344
1963	568
1964	322
1965	783
1966	528
1967	341
1968	481
1969	450
1970	1,457
1971	578
1972	461
1973	674
1974	1,543
1975	1,038
1976	463
1977	616
1978	500
1979	586
1980	1,037
1981	717
1982	775
1983	1,744
1984	1,121
1985	924
1986	740
1987	1,077
1988	653
1989	1,376
1990	702
1991	519
1992	976
1993	983
1994	1,140
1995	1,868
1996	809
1997	1,060
1998	1,326
1999	1,207
2000	2,026
2001	790
2002	930
2003	1,243
2004	986
2005	1,207
2006	1,509
2007	1,153
2008	835
2009	1,201
2010	1,360
2011	666
2012	785
2013	573
2014	595
2015	587
2016	774
2017	1,371
2018	693
2019	565
2020	618
2021	602
2022	551
2023	812
2024	499
2025	449
2026	384

Download the Data

Data for records on 2007-09-23: 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	799
10 to 20	65
20 to 30	15
30 to 40	6
40 to 50	2
50 to 60	0
60 to 70	0
70 to 80	1