Weather Records on 7 October 2017

581 weather records were set or tied worldwide on 7 October 2017. Highest significance: Caledonia, US.

Key Facts for 7 October 2017

On 7 October 2017, 581 weather records were set or tied at long-record stations worldwide.
272 were record highs and 40 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 29 monthly and 551 daily.
Caledonia set a daily record precipitation of 88.6 mm (3.5 in) on 7 October 2017.
Across 165 earlier years (1802 to 2026) the same calendar date averaged 459 records.

Record Map

581 stations

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

Weather records on 7 October 2017: highest significance records shown on the map
Station	Country	Type	Value	Significance
Caledonia	United States	Record daily precipitation	88.6 mm (3.5 in)	70 of 100 (Major)
Postville	United States	Record daily precipitation	64.5 mm (2.5 in)	66 of 100 (Major)
Charles City	United States	Record daily precipitation	44.2 mm (1.7 in)	65 of 100 (Major)
Logan 1 WNW	United States	Record daily precipitation	96.3 mm (3.8 in)	62 of 100 (Major)
Carroll	United States	Record daily precipitation	61.0 mm (2.4 in)	61 of 100 (Major)
Harmony	United States	Record daily precipitation	69.9 mm (2.8 in)	59 of 100 (Notable)
Hokah Wwtp	United States	Record daily precipitation	110.5 mm (4.4 in)	59 of 100 (Notable)
Prairie du Chien	United States	Record daily precipitation	53.3 mm (2.1 in)	59 of 100 (Notable)
Chinook	United States	Record snow depth	12.7 cm (5.0 in)	58 of 100 (Notable)
Denison	United States	Record daily precipitation	85.3 mm (3.4 in)	57 of 100 (Notable)
Grundy Ctr	United States	Record daily precipitation	53.3 mm (2.1 in)	57 of 100 (Notable)
Boone	United States	Record daily precipitation	59.4 mm (2.3 in)	55 of 100 (Notable)
Fayette	United States	Record daily precipitation	61.7 mm (2.4 in)	55 of 100 (Notable)
La Crescent Dam 7	United States	Record daily precipitation	60.5 mm (2.4 in)	55 of 100 (Notable)
Pawnee City	United States	Record daily precipitation	76.2 mm (3.0 in)	55 of 100 (Notable)
Mobile Dwtn AP	United States	Record daily precipitation	105.2 mm (4.1 in)	55 of 100 (Notable)
Cresco 1 NE	United States	Record daily precipitation	63.5 mm (2.5 in)	54 of 100 (Notable)
South Comongin	Australia	Record daily precipitation	46.0 mm (1.8 in)	53 of 100 (Notable)
Hampton	United States	Record daily precipitation	93.5 mm (3.7 in)	53 of 100 (Notable)
Andalusia 3 W	United States	Record daily precipitation	134.6 mm (5.3 in)	52 of 100 (Notable)
Mason City	United States	Record daily precipitation	59.9 mm (2.4 in)	52 of 100 (Notable)
Lynxville Dam 9	United States	Record daily precipitation	44.5 mm (1.8 in)	52 of 100 (Notable)
Marysville	United States	Record daily precipitation	74.2 mm (2.9 in)	50 of 100 (Notable)
Grand Meadow	United States	Record daily precipitation	47.0 mm (1.9 in)	50 of 100 (Notable)
Wells	United States	Record daily precipitation	59.7 mm (2.4 in)	50 of 100 (Notable)
Austin Waste Wtp Facility	United States	Record daily precipitation	55.9 mm (2.2 in)	49 of 100 (Notable)
Dinton Vale (Berrilee)	Australia	Record daily precipitation	62.0 mm (2.4 in)	48 of 100 (Notable)
Iowa Falls	United States	Record daily precipitation	51.6 mm (2.0 in)	48 of 100 (Notable)
Black Rvr Falls Sewage	United States	Record daily precipitation	35.8 mm (1.4 in)	48 of 100 (Notable)
Gays Mills	United States	Record daily precipitation	46.2 mm (1.8 in)	48 of 100 (Notable)
La Farge	United States	Record daily precipitation	48.5 mm (1.9 in)	48 of 100 (Notable)
Newcastle	United States	Record daily precipitation	74.7 mm (2.9 in)	47 of 100 (Notable)
Osage	United States	Record daily precipitation	60.7 mm (2.4 in)	46 of 100 (Notable)
Sheldon	United States	Record daily precipitation	55.4 mm (2.2 in)	46 of 100 (Notable)
Kaneohe Bay MCAS	United States	Record low minimum temperature	16.1 C (61.0 F)	46 of 100 (Notable)
Greenfield	United States	Record daily precipitation	87.1 mm (3.4 in)	45 of 100 (Notable)
Northwood	United States	Record daily precipitation	51.8 mm (2.0 in)	45 of 100 (Notable)
Minneapolis	United States	Record daily precipitation	59.2 mm (2.3 in)	45 of 100 (Notable)
Bricelyn	United States	Record daily precipitation	59.4 mm (2.3 in)	44 of 100 (Notable)
Chester	United States	Record snow depth	22.9 cm (9.0 in)	44 of 100 (Notable)
Viroqua	United States	Record daily precipitation	49.3 mm (1.9 in)	44 of 100 (Notable)
Taiyuan	China	Record daily precipitation	30.2 mm (1.2 in)	43 of 100 (Notable)
Perry	United States	Record daily precipitation	38.4 mm (1.5 in)	43 of 100 (Notable)
Sac City	United States	Record daily precipitation	55.9 mm (2.2 in)	43 of 100 (Notable)
Minnesota City Dam 5	United States	Record daily precipitation	38.1 mm (1.5 in)	43 of 100 (Notable)
Houston	United States	Record high minimum temperature	19.4 C (66.9 F)	43 of 100 (Notable)
Durand	United States	Record daily precipitation	46.2 mm (1.8 in)	43 of 100 (Notable)
Mondovi	United States	Record daily precipitation	59.7 mm (2.4 in)	43 of 100 (Notable)
Ontario 3E	United States	Record daily precipitation	45.0 mm (1.8 in)	43 of 100 (Notable)
Varfu Omul	Romania	Record daily precipitation	31.6 mm (1.2 in)	42 of 100 (Notable)
Allison	United States	Record daily precipitation	40.6 mm (1.6 in)	42 of 100 (Notable)
Corning	United States	Record daily precipitation	47.8 mm (1.9 in)	42 of 100 (Notable)
Eastman 1 W	United States	Record high minimum temperature	23.3 C (73.9 F)	41 of 100 (Notable)
Ft Davis	United States	Record high minimum temperature	16.7 C (62.1 F)	41 of 100 (Notable)
Darlington Wwtp	United States	Record daily precipitation	42.7 mm (1.7 in)	41 of 100 (Notable)
Sparta	United States	Record daily precipitation	62.7 mm (2.5 in)	41 of 100 (Notable)
Washington Is	United States	Record daily precipitation	43.2 mm (1.7 in)	41 of 100 (Notable)
Remscheid-Lennep	Germany	Record daily precipitation	27.8 mm (1.1 in)	40 of 100 (Notable)
Ames 8 WSW	United States	Record daily precipitation	67.3 mm (2.6 in)	40 of 100 (Notable)
Webster City	United States	Record daily precipitation	34.3 mm (1.4 in)	40 of 100 (Notable)

Counts by Type and Timescale

581 records

Records set or tied on 7 October 2017 by type: Highest daily maximum 59, Lowest daily maximum 22, Highest daily minimum 213, Lowest daily minimum 18, Heaviest daily rainfall 265, Deepest snow cover 4.

Records on 7 October 2017 by type
Record type	Records
Highest daily maximum	59
Lowest daily maximum	22
Highest daily minimum	213
Lowest daily minimum	18
Heaviest daily rainfall	265
Heaviest daily snowfall	0
Deepest snow cover	4

Records on 7 October 2017 by timescale: all-time 1, monthly 29, daily 551.

How Much Records Were Beaten By

467 broken records

Margins by which the 467 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 140.0. Ties are not counted.

Top 20 by Significance

7 October 2017

Top 20 records on 7 October 2017 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
7 October 2017	Caledonia, US	daily rain	88.6 mm (3.5 in)	59.6 mm (2.3 in)	68 years	70 of 100 (Major)
7 October 2017	Postville, US	daily rain	64.5 mm (2.5 in)	39.4 mm (1.6 in)	76 years	66 of 100 (Major)
7 October 2017	Charles City, US	daily rain	44.2 mm (1.7 in)	25.9 mm (1.0 in)	114 years	65 of 100 (Major)
7 October 2017	Logan 1 WNW, US	monthly rain	96.3 mm (3.8 in)	30.0 mm (1.2 in)	48 years	62 of 100 (Major)
7 October 2017	Carroll, US	daily rain	61.0 mm (2.4 in)	36.4 mm (1.4 in)	59 years	61 of 100 (Major)
7 October 2017	Harmony, US	daily rain	69.9 mm (2.8 in)	35.9 mm (1.4 in)	76 years	59 of 100 (Notable)
7 October 2017	Hokah Wwtp, US	monthly rain	110.5 mm (4.4 in)	41.9 mm (1.6 in)	18 years	59 of 100 (Notable)
7 October 2017	Prairie du Chien, US	daily rain	53.3 mm (2.1 in)	17.7 mm (0.7 in)	103 years	59 of 100 (Notable)
7 October 2017	Chinook, US	daily snow depth	12.7 cm (5.0 in)	12.7 cm (5.0 in)	87 years	58 of 100 (Notable)
7 October 2017	Denison, US	daily rain	85.3 mm (3.4 in)	55.3 mm (2.2 in)	24 years	57 of 100 (Notable)
7 October 2017	Grundy Ctr, US	daily rain	53.3 mm (2.1 in)	19.0 mm (0.7 in)	103 years	57 of 100 (Notable)
7 October 2017	Boone, US	daily rain	59.4 mm (2.3 in)	24.3 mm (1.0 in)	76 years	55 of 100 (Notable)
7 October 2017	Fayette, US	daily rain	61.7 mm (2.4 in)	18.0 mm (0.7 in)	95 years	55 of 100 (Notable)
7 October 2017	La Crescent Dam 7, US	daily rain	60.5 mm (2.4 in)	27.0 mm (1.1 in)	76 years	55 of 100 (Notable)
7 October 2017	Pawnee City, US	daily rain	76.2 mm (3.0 in)	39.9 mm (1.6 in)	50 years	55 of 100 (Notable)
7 October 2017	Mobile Dwtn AP, US	daily rain	105.2 mm (4.1 in)	64.6 mm (2.5 in)	62 years	55 of 100 (Notable)
7 October 2017	Cresco 1 NE, US	daily rain	63.5 mm (2.5 in)	27.4 mm (1.1 in)	68 years	54 of 100 (Notable)
7 October 2017	South Comongin, AU	daily rain	46.0 mm (1.8 in)	16.0 mm (0.6 in)	87 years	53 of 100 (Notable)
7 October 2017	Hampton, US	monthly rain	93.5 mm (3.7 in)	23.4 mm (0.9 in)	37 years	53 of 100 (Notable)
7 October 2017	Andalusia 3 W, US	daily rain	134.6 mm (5.3 in)	66.0 mm (2.6 in)	52 years	52 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 581 records.

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

Records on 10-07 in each year
Year	Records
1802	1
1811	1
1824	1
1839	1
1843	1
1852	2
1853	1
1854	1
1858	1
1861	1
1863	2
1864	4
1865	1
1867	2
1868	1
1869	1
1872	2
1873	4
1875	1
1876	2
1877	1
1878	1
1880	1
1881	1
1882	1
1884	1
1886	1
1887	1
1888	2
1889	3
1890	4
1891	2
1892	2
1893	5
1895	2
1896	2
1897	6
1898	7
1899	6
1900	6
1901	14
1902	3
1903	11
1904	27
1905	9
1906	5
1907	10
1908	14
1909	14
1910	18
1911	24
1912	36
1913	32
1914	20
1915	22
1916	35
1917	47
1918	121
1919	28
1920	106
1921	68
1922	43
1923	117
1924	86
1925	247
1926	157
1927	173
1928	120
1929	121
1930	517
1931	603
1932	476
1933	166
1934	237
1935	918
1936	436
1937	359
1938	471
1939	769
1940	159
1941	892
1942	184
1943	424
1944	265
1945	257
1946	1,128
1947	557
1948	333
1949	576
1950	363
1951	604
1952	1,470
1953	524
1954	465
1955	629
1956	548
1957	567
1958	598
1959	770
1960	413
1961	721
1962	449
1963	453
1964	961
1965	584
1966	398
1967	432
1968	764
1969	365
1970	1,148
1971	629
1972	537
1973	461
1974	773
1975	760
1976	1,087
1977	808
1978	406
1979	774
1980	1,253
1981	737
1982	1,079
1983	555
1984	717
1985	1,089
1986	519
1987	834
1988	753
1989	389
1990	948
1991	1,189
1992	872
1993	918
1994	1,144
1995	658
1996	1,073
1997	1,903
1998	1,331
1999	895
2000	2,427
2001	823
2002	704
2003	1,364
2004	518
2005	1,476
2006	1,004
2007	2,285
2008	621
2009	1,926
2010	994
2011	1,216
2012	1,350
2013	675
2014	569
2015	439
2016	537
2017	581
2018	1,063
2019	569
2020	1,175
2021	586
2022	557
2023	705
2024	849
2025	525
2026	917

Download the Data

Data for records on 2017-10-07: 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 2026-10-15 (15 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Margin	Records
0 to 20	420
20 to 40	35
40 to 60	6
60 to 80	2
80 to 100	0
100 to 120	2
120 to 140	2