Weather Records on 7 September 2017

966 weather records were set or tied worldwide on 7 September 2017. Highest significance: Hat Creek, US.

Key Facts for 7 September 2017

On 7 September 2017, 966 weather records were set or tied at long-record stations worldwide.
368 were record highs and 432 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 20 monthly and 944 daily.
Hat Creek set a daily record precipitation of 26.2 mm (1.0 in) on 7 September 2017.
Across 165 earlier years (1802 to 2026) the same calendar date averaged 448 records.

Record Map

966 stations

966 station records on 7 September 2017 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 7 September 2017: highest significance records shown on the map
Station	Country	Type	Value	Significance
Hat Creek	United States	Record daily precipitation	26.2 mm (1.0 in)	63 of 100 (Major)
Beebyn	Australia	Record daily precipitation	26.8 mm (1.1 in)	60 of 100 (Major)
Aldan	Russia	Record daily precipitation	80.8 mm (3.2 in)	58 of 100 (Notable)
Meredith	Australia	Record daily precipitation	25.2 mm (1.0 in)	57 of 100 (Notable)
Barre Falls Dam	United States	Record daily precipitation	76.2 mm (3.0 in)	55 of 100 (Notable)
Hoorn	Netherlands	Record daily precipitation	40.0 mm (1.6 in)	54 of 100 (Notable)
Kirsanov	Russia	Record daily precipitation	45.0 mm (1.8 in)	53 of 100 (Notable)
Skagway	United States	Record daily precipitation	26.4 mm (1.0 in)	53 of 100 (Notable)
Hyannis	United States	Record daily precipitation	77.0 mm (3.0 in)	51 of 100 (Notable)
Tegjultja	Russia	Record daily precipitation	36.4 mm (1.4 in)	49 of 100 (Notable)
Merced	United States	Record high minimum temperature	23.3 C (73.9 F)	49 of 100 (Notable)
Sabana Grande 2 ENE	Puerto Rico [United States]	Record daily precipitation	39.9 mm (1.6 in)	48 of 100 (Notable)
Tommot	Russia	Record daily precipitation	38.1 mm (1.5 in)	48 of 100 (Notable)
Hoofddorp	Netherlands	Record daily precipitation	37.3 mm (1.5 in)	47 of 100 (Notable)
Salem AP (McNary Field)	United States	Record high minimum temperature	17.8 C (64.0 F)	47 of 100 (Notable)
Lemmer (Gemaal Buma)	Netherlands	Record daily precipitation	29.6 mm (1.2 in)	46 of 100 (Notable)
Vyksa	Russia	Record daily precipitation	39.1 mm (1.5 in)	45 of 100 (Notable)
Ogdensburg 4 NE	United States	Record daily precipitation	25.9 mm (1.0 in)	45 of 100 (Notable)
Falls City 2 SSW	United States	Record high minimum temperature	15.6 C (60.1 F)	45 of 100 (Notable)
Wickiup Dam	United States	Record high minimum temperature	15.0 C (59.0 F)	45 of 100 (Notable)
Zaandijk	Netherlands	Record daily precipitation	37.7 mm (1.5 in)	44 of 100 (Notable)
Gorredijk	Netherlands	Record daily precipitation	31.0 mm (1.2 in)	44 of 100 (Notable)
Morsansk	Russia	Record daily precipitation	27.9 mm (1.1 in)	44 of 100 (Notable)
Ness City	United States	Record low minimum temperature	3.3 C (37.9 F)	44 of 100 (Notable)
Mt Airy 2 W	United States	Record low maximum temperature	16.7 C (62.1 F)	44 of 100 (Notable)
Three Lynx	United States	Record high minimum temperature	15.6 C (60.1 F)	44 of 100 (Notable)
Purcellville	United States	Record low maximum temperature	16.1 C (61.0 F)	44 of 100 (Notable)
Alpena Wwtp	United States	Record daily precipitation	32.5 mm (1.3 in)	44 of 100 (Notable)
Oudemirdum	Netherlands	Record daily precipitation	25.1 mm (1.0 in)	43 of 100 (Notable)
Pudoz	Russia	Record daily precipitation	27.9 mm (1.1 in)	43 of 100 (Notable)
Subiaco	United States	Record low minimum temperature	6.7 C (44.1 F)	43 of 100 (Notable)
Winfield 3NE	United States	Record low minimum temperature	5.6 C (42.1 F)	43 of 100 (Notable)
Russellville	United States	Record low minimum temperature	7.8 C (46.0 F)	43 of 100 (Notable)
Gaylord	United States	Record low maximum temperature	13.9 C (57.0 F)	43 of 100 (Notable)
Corvallis State UNIV	United States	Record high minimum temperature	15.6 C (60.1 F)	43 of 100 (Notable)
Kostroma	Russia	Record daily precipitation	35.5 mm (1.4 in)	42 of 100 (Notable)
Fayetteville Exp STN	United States	Record low maximum temperature	21.1 C (70.0 F)	42 of 100 (Notable)
Hardy	United States	Record low maximum temperature	22.8 C (73.0 F)	42 of 100 (Notable)
Monroe City	United States	Record low maximum temperature	19.4 C (66.9 F)	42 of 100 (Notable)
Aalsmeer	Netherlands	Record daily precipitation	32.0 mm (1.3 in)	41 of 100 (Notable)
Astrakan	Russia	Record high minimum temperature	20.4 C (68.7 F)	41 of 100 (Notable)
Yreka	United States	Record high minimum temperature	16.1 C (61.0 F)	41 of 100 (Notable)
Nashville 1 E	United States	Record low maximum temperature	20.6 C (69.1 F)	41 of 100 (Notable)
Rock Is L&D 15	United States	Record low minimum temperature	7.8 C (46.0 F)	41 of 100 (Notable)
Streator 2SE	United States	Record low maximum temperature	19.4 C (66.9 F)	41 of 100 (Notable)
Watseka Public Works	United States	Record low maximum temperature	18.9 C (66.0 F)	41 of 100 (Notable)
Haverhill	United States	Record daily precipitation	56.6 mm (2.2 in)	41 of 100 (Notable)
Drain	United States	Record high minimum temperature	15.0 C (59.0 F)	41 of 100 (Notable)
Tellico Plains	United States	Record low minimum temperature	6.7 C (44.1 F)	41 of 100 (Notable)
Corsicana	United States	Record low minimum temperature	10.6 C (51.1 F)	41 of 100 (Notable)
Healy	United States	Record low minimum temperature	5.0 C (41.0 F)	40 of 100 (Notable)
Bonneville Dam	United States	Record high minimum temperature	18.9 C (66.0 F)	40 of 100 (Notable)
Monterey	United States	Record low minimum temperature	6.7 C (44.1 F)	40 of 100 (Notable)
Oakley 4W	United States	Record low minimum temperature	2.2 C (36.0 F)	39 of 100 (Notable)
Headworks Portland Wtr B	United States	Record high minimum temperature	16.1 C (61.0 F)	39 of 100 (Notable)
London State Fish Hatchery	United States	Record low maximum temperature	18.3 C (64.9 F)	38 of 100 (Notable)
Battle Ground	United States	Record high minimum temperature	16.1 C (61.0 F)	38 of 100 (Notable)
Sasabe	United States	Record high minimum temperature	25.6 C (78.1 F)	37 of 100 (Notable)
Scotia	United States	Record high minimum temperature	16.1 C (61.0 F)	37 of 100 (Notable)
Sewanee	United States	Record low minimum temperature	10.6 C (51.1 F)	37 of 100 (Notable)

Counts by Type and Timescale

966 records

Records set or tied on 7 September 2017 by type: Highest daily maximum 114, Lowest daily maximum 194, Highest daily minimum 254, Lowest daily minimum 238, Heaviest daily rainfall 166.

Records on 7 September 2017 by type
Record type	Records
Highest daily maximum	114
Lowest daily maximum	194
Highest daily minimum	254
Lowest daily minimum	238
Heaviest daily rainfall	166
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 7 September 2017 by timescale: all-time 2, monthly 20, daily 944.

How Much Records Were Beaten By

714 broken records

Margins by which the 714 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 58.7. Ties are not counted.

Top 20 by Significance

7 September 2017

Top 20 records on 7 September 2017 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
7 September 2017	Hat Creek, US	daily rain	26.2 mm (1.0 in)	19.8 mm (0.8 in)	70 years	63 of 100 (Major)
7 September 2017	Beebyn, AU	daily rain	26.8 mm (1.1 in)	14.9 mm (0.6 in)	103 years	60 of 100 (Major)
7 September 2017	Aldan, RU	all-time rain	80.8 mm (3.2 in)	5.8 mm (0.23 in)	74 years	58 of 100 (Notable)
7 September 2017	Meredith, AU	daily rain	25.2 mm (1.0 in)	11.7 mm (0.5 in)	96 years	57 of 100 (Notable)
7 September 2017	Barre Falls Dam, US	daily rain	76.2 mm (3.0 in)	51.1 mm (2.0 in)	48 years	55 of 100 (Notable)
7 September 2017	Hoorn, NL	daily rain	40.0 mm (1.6 in)	12.3 mm (0.5 in)	80 years	54 of 100 (Notable)
7 September 2017	Kirsanov, RU	daily rain	45.0 mm (1.8 in)	22.9 mm (0.9 in)	40 years	53 of 100 (Notable)
7 September 2017	Skagway, US	daily rain	26.4 mm (1.0 in)	11.7 mm (0.5 in)	110 years	53 of 100 (Notable)
7 September 2017	Hyannis, US	daily rain	77.0 mm (3.0 in)	49.1 mm (1.9 in)	43 years	51 of 100 (Notable)
7 September 2017	Tegjultja, RU	daily rain	36.4 mm (1.4 in)	12.7 mm (0.5 in)	51 years	49 of 100 (Notable)
7 September 2017	Merced, US	daily high min	23.3 C (73.9 F)	2.7 C (4.9 F)	112 years	49 of 100 (Notable)
7 September 2017	Sabana Grande 2 ENE, PR	daily rain	39.9 mm (1.6 in)	17.0 mm (0.7 in)	107 years	48 of 100 (Notable)
7 September 2017	Tommot, RU	daily rain	38.1 mm (1.5 in)	14.1 mm (0.6 in)	54 years	48 of 100 (Notable)
7 September 2017	Hoofddorp, NL	daily rain	37.3 mm (1.5 in)	18.6 mm (0.7 in)	32 years	47 of 100 (Notable)
7 September 2017	Salem AP (McNary Field), US	daily high min	17.8 C (64.0 F)	2.2 C (4.0 F)	111 years	47 of 100 (Notable)
7 September 2017	Lemmer (Gemaal Buma), NL	daily rain	29.6 mm (1.2 in)	10.8 mm (0.4 in)	72 years	46 of 100 (Notable)
7 September 2017	Vyksa, RU	daily rain	39.1 mm (1.5 in)	29.2 mm (1.1 in)	2 years	45 of 100 (Notable)
7 September 2017	Ogdensburg 4 NE, US	daily rain	25.9 mm (1.0 in)	5.6 mm (0.22 in)	102 years	45 of 100 (Notable)
7 September 2017	Falls City 2 SSW, US	daily high min	15.6 C (60.1 F)	1.7 C (3.1 F)	111 years	45 of 100 (Notable)
7 September 2017	Wickiup Dam, US	monthly high min	15.0 C (59.0 F)	2.2 C (4.0 F)	73 years	45 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 2017

Records set or tied on this calendar date in each year from 1802 to 2017. 2017 had 966 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 2017-09-07: 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 2026-10-16 (16 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	662
10 to 20	39
20 to 30	6
30 to 40	2
40 to 50	3
50 to 60	2