Weather Records on 11 October 2017

1,101 weather records were set or tied worldwide on 11 October 2017. Highest significance: Knox Wwtp, US.

Key Facts for 11 October 2017

On 11 October 2017, 1,101 weather records were set or tied at long-record stations worldwide.
778 were record highs and 97 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 55 monthly and 1,046 daily.
Knox Wwtp set a daily record precipitation of 56.1 mm (2.2 in) on 11 October 2017.
Across 165 earlier years (1793 to 2026) the same calendar date averaged 451 records.

Record Map

1,101 stations

1,101 station records on 11 October 2017 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 11 October 2017: highest significance records shown on the map
Station	Country	Type	Value	Significance
Knox Wwtp	United States	Record daily precipitation	56.1 mm (2.2 in)	70 of 100 (Major)
Buckingham	United States	Record daily precipitation	94.0 mm (3.7 in)	70 of 100 (Major)
Bhagalpur	India	Record daily precipitation	152.9 mm (6.0 in)	66 of 100 (Major)
Gull Lake Biological STN	United States	Record daily precipitation	71.1 mm (2.8 in)	66 of 100 (Major)
Rensselaer Wwtp	United States	Record daily precipitation	59.7 mm (2.4 in)	57 of 100 (Notable)
Cascade	United States	Record daily precipitation	58.9 mm (2.3 in)	57 of 100 (Notable)
Battle Creek 5NW	United States	Record daily precipitation	56.4 mm (2.2 in)	56 of 100 (Notable)
Aledo	United States	Record daily precipitation	55.9 mm (2.2 in)	54 of 100 (Notable)
Rochelle	United States	Record daily precipitation	71.1 mm (2.8 in)	54 of 100 (Notable)
New Castle	United States	Record daily precipitation	64.8 mm (2.6 in)	54 of 100 (Notable)
Tarcoola (Mulgathing)	Australia	Record daily precipitation	34.0 mm (1.3 in)	51 of 100 (Notable)
Albion	United States	Record daily precipitation	39.1 mm (1.5 in)	51 of 100 (Notable)
McHenry Stratton Lock/Dam	United States	Record daily precipitation	59.4 mm (2.3 in)	50 of 100 (Notable)
Beloit	United States	Record daily precipitation	38.4 mm (1.5 in)	50 of 100 (Notable)
Lowell	United States	Record daily precipitation	33.8 mm (1.3 in)	49 of 100 (Notable)
Wallops Is Nasa Test Facility	United States	Record daily precipitation	102.9 mm (4.1 in)	49 of 100 (Notable)
Salisbury	United States	Record high minimum temperature	22.8 C (73.0 F)	48 of 100 (Notable)
Washington	United States	Record daily precipitation	41.9 mm (1.6 in)	47 of 100 (Notable)
Guanghua	China	Record daily precipitation	46.5 mm (1.8 in)	46 of 100 (Notable)
Washington 2 ESE	United States	Record high minimum temperature	22.2 C (72.0 F)	46 of 100 (Notable)
Guttenberg L&D 10	United States	Record daily precipitation	44.7 mm (1.8 in)	46 of 100 (Notable)
Greenville 2 NNE	United States	Record daily precipitation	32.0 mm (1.3 in)	46 of 100 (Notable)
Glenville	United States	Record high minimum temperature	19.4 C (66.9 F)	46 of 100 (Notable)
Coober Pedy (McDouall Peak)	Australia	Record daily precipitation	27.4 mm (1.1 in)	45 of 100 (Notable)
Marion	United States	Record high minimum temperature	19.4 C (66.9 F)	45 of 100 (Notable)
Laurens	United States	Record high minimum temperature	21.7 C (71.1 F)	45 of 100 (Notable)
Franklin Sewage Plt	United States	Record high minimum temperature	22.2 C (72.0 F)	45 of 100 (Notable)
Dubuque L&D 11	United States	Record daily precipitation	36.6 mm (1.4 in)	44 of 100 (Notable)
Garnett 1 E	United States	Record low maximum temperature	7.8 C (46.0 F)	44 of 100 (Notable)
Holland Wtp	United States	Record daily precipitation	29.2 mm (1.1 in)	44 of 100 (Notable)
Waverly	United States	Record high minimum temperature	17.8 C (64.0 F)	44 of 100 (Notable)
Anderson	United States	Record high minimum temperature	21.7 C (71.1 F)	44 of 100 (Notable)
Batesburg	United States	Record high minimum temperature	22.8 C (73.0 F)	44 of 100 (Notable)
Winnsboro	United States	Record high minimum temperature	22.2 C (72.0 F)	44 of 100 (Notable)
Carthage	United States	Record high minimum temperature	20.6 C (69.1 F)	44 of 100 (Notable)
Purcellville	United States	Record high minimum temperature	20.0 C (68.0 F)	44 of 100 (Notable)
Troy	United States	Record high minimum temperature	22.2 C (72.0 F)	43 of 100 (Notable)
Rome	United States	Record high minimum temperature	20.6 C (69.1 F)	43 of 100 (Notable)
Aurora Water	United States	Record daily precipitation	44.5 mm (1.8 in)	43 of 100 (Notable)
Osage City	United States	Record low maximum temperature	7.2 C (45.0 F)	43 of 100 (Notable)
Oakland 1 SE	United States	Record high minimum temperature	17.8 C (64.0 F)	43 of 100 (Notable)
Niles	United States	Record daily precipitation	49.3 mm (1.9 in)	43 of 100 (Notable)
Statesville 2 NNE	United States	Record high minimum temperature	21.7 C (71.1 F)	43 of 100 (Notable)
Jackson 3 NW	United States	Record high minimum temperature	16.7 C (62.1 F)	43 of 100 (Notable)
Saluda	United States	Record high minimum temperature	22.8 C (73.0 F)	43 of 100 (Notable)
Sumter	United States	Record high minimum temperature	22.8 C (73.0 F)	43 of 100 (Notable)
Romney 1 SW	United States	Record high minimum temperature	17.8 C (64.0 F)	43 of 100 (Notable)
Winston Salem Reynolds AP	United States	Record high minimum temperature	20.6 C (69.1 F)	43 of 100 (Notable)
Sola	Norway	Record daily precipitation	33.5 mm (1.3 in)	42 of 100 (Notable)
Evergreen	United States	Record high minimum temperature	22.2 C (72.0 F)	42 of 100 (Notable)
Chicago Botanic Garden	United States	Record daily precipitation	49.8 mm (2.0 in)	42 of 100 (Notable)
Mt Vernon	United States	Record high minimum temperature	20.0 C (68.0 F)	42 of 100 (Notable)
Ann Arbor U of Mich	United States	Record daily precipitation	40.6 mm (1.6 in)	42 of 100 (Notable)
Chapel Hill 2 W	United States	Record high minimum temperature	23.3 C (73.9 F)	42 of 100 (Notable)
Mc Minnville	United States	Record high minimum temperature	22.2 C (72.0 F)	42 of 100 (Notable)
Murfreesboro 5 N	United States	Record high minimum temperature	21.7 C (71.1 F)	42 of 100 (Notable)
Poronajsk	Russia	Record low minimum temperature	-5.6 C (21.9 F)	41 of 100 (Notable)
Andalusia 3 W	United States	Record high minimum temperature	22.8 C (73.0 F)	41 of 100 (Notable)
Titusville	United States	Record high minimum temperature	25.0 C (77.0 F)	41 of 100 (Notable)
Elberton 2 N	United States	Record high minimum temperature	20.0 C (68.0 F)	41 of 100 (Notable)

Counts by Type and Timescale

1,101 records

Records set or tied on 11 October 2017 by type: Highest daily maximum 209, Lowest daily maximum 61, Highest daily minimum 569, Lowest daily minimum 36, Heaviest daily rainfall 224, Deepest snow cover 2.

Records on 11 October 2017 by type
Record type	Records
Highest daily maximum	209
Lowest daily maximum	61
Highest daily minimum	569
Lowest daily minimum	36
Heaviest daily rainfall	224
Heaviest daily snowfall	0
Deepest snow cover	2

Records on 11 October 2017 by timescale: all-time 0, monthly 55, daily 1,046.

How Much Records Were Beaten By

878 broken records

Margins by which the 878 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 449.0. Ties are not counted.

Top 20 by Significance

11 October 2017

Top 20 records on 11 October 2017 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
11 October 2017	Knox Wwtp, US	daily rain	56.1 mm (2.2 in)	33.0 mm (1.3 in)	104 years	70 of 100 (Major)
11 October 2017	Buckingham, US	daily rain	94.0 mm (3.7 in)	48.8 mm (1.9 in)	115 years	70 of 100 (Major)
11 October 2017	Bhagalpur, IN	daily rain	152.9 mm (6.0 in)	93.0 mm (3.7 in)	76 years	66 of 100 (Major)
11 October 2017	Gull Lake Biological STN, US	daily rain	71.1 mm (2.8 in)	43.4 mm (1.7 in)	63 years	66 of 100 (Major)
11 October 2017	Rensselaer Wwtp, US	daily rain	59.7 mm (2.4 in)	47.8 mm (1.9 in)	44 years	57 of 100 (Notable)
11 October 2017	Cascade, US	daily rain	58.9 mm (2.3 in)	33.5 mm (1.3 in)	63 years	57 of 100 (Notable)
11 October 2017	Battle Creek 5NW, US	daily rain	56.4 mm (2.2 in)	29.2 mm (1.1 in)	68 years	56 of 100 (Notable)
11 October 2017	Aledo, US	daily rain	55.9 mm (2.2 in)	21.6 mm (0.9 in)	90 years	54 of 100 (Notable)
11 October 2017	Rochelle, US	daily rain	71.1 mm (2.8 in)	48.2 mm (1.9 in)	34 years	54 of 100 (Notable)
11 October 2017	New Castle, US	daily rain	64.8 mm (2.6 in)	21.1 mm (0.8 in)	108 years	54 of 100 (Notable)
11 October 2017	Tarcoola (Mulgathing), AU	daily rain	34.0 mm (1.3 in)	27.7 mm (1.1 in)	19 years	51 of 100 (Notable)
11 October 2017	Albion, US	daily rain	39.1 mm (1.5 in)	13.7 mm (0.5 in)	95 years	51 of 100 (Notable)
11 October 2017	McHenry Stratton Lock/Dam, US	daily rain	59.4 mm (2.3 in)	45.9 mm (1.8 in)	11 years	50 of 100 (Notable)
11 October 2017	Beloit, US	daily rain	38.4 mm (1.5 in)	10.7 mm (0.4 in)	104 years	50 of 100 (Notable)
11 October 2017	Lowell, US	daily rain	33.8 mm (1.3 in)	13.5 mm (0.5 in)	86 years	49 of 100 (Notable)
11 October 2017	Wallops Is Nasa Test Facility, US	daily rain	102.9 mm (4.1 in)	78.3 mm (3.1 in)	15 years	49 of 100 (Notable)
11 October 2017	Salisbury, US	daily high min	22.8 C (73.0 F)	4.5 C (8.1 F)	104 years	48 of 100 (Notable)
11 October 2017	Washington, US	daily rain	41.9 mm (1.6 in)	8.9 mm (0.35 in)	104 years	47 of 100 (Notable)
11 October 2017	Guanghua, CN	daily rain	46.5 mm (1.8 in)	22.4 mm (0.9 in)	47 years	46 of 100 (Notable)
11 October 2017	Washington 2 ESE, US	daily high min	22.2 C (72.0 F)	3.3 C (5.9 F)	106 years	46 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 2017

Records set or tied on this calendar date in each year from 1793 to 2017. 2017 had 1,101 records.

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

Records on 10-11 in each year
Year	Records
1793	1
1801	1
1802	2
1803	1
1805	1
1807	1
1811	1
1814	2
1839	1
1845	1
1849	1
1851	1
1852	1
1854	1
1859	1
1860	4
1861	1
1864	2
1867	2
1869	1
1870	1
1872	2
1873	2
1875	1
1876	4
1877	3
1879	2
1880	2
1884	2
1885	5
1887	4
1888	2
1889	3
1890	1
1891	2
1892	2
1896	2
1897	4
1898	4
1900	1
1901	8
1902	14
1903	10
1904	20
1905	17
1906	52
1907	10
1908	11
1909	17
1910	31
1911	14
1912	21
1913	48
1914	40
1915	14
1916	25
1917	48
1918	32
1919	76
1920	140
1921	92
1922	35
1923	231
1924	149
1925	196
1926	137
1927	176
1928	713
1929	259
1930	656
1931	396
1932	235
1933	200
1934	862
1935	245
1936	243
1937	242
1938	438
1939	249
1940	201
1941	190
1942	537
1943	414
1944	247
1945	284
1946	770
1947	405
1948	736
1949	835
1950	450
1951	538
1952	472
1953	408
1954	672
1955	434
1956	894
1957	258
1958	795
1959	1,027
1960	333
1961	610
1962	857
1963	570
1964	927
1965	202
1966	279
1967	643
1968	312
1969	1,032
1970	859
1971	521
1972	708
1973	1,325
1974	356
1975	559
1976	565
1977	655
1978	426
1979	1,260
1980	478
1981	776
1982	1,141
1983	542
1984	552
1985	977
1986	961
1987	1,603
1988	621
1989	571
1990	1,617
1991	1,055
1992	527
1993	883
1994	726
1995	975
1996	842
1997	1,809
1998	750
1999	996
2000	1,782
2001	962
2002	1,000
2003	1,191
2004	593
2005	1,044
2006	840
2007	610
2008	1,369
2009	2,594
2010	964
2011	1,176
2012	696
2013	666
2014	620
2015	1,032
2016	378
2017	1,101
2018	1,517
2019	1,760
2020	680
2021	873
2022	244
2023	858
2024	842
2025	711
2026	897

Download the Data

Data for records on 2017-10-11: 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).

Histogram of margins by which records were beaten on 11 October 2017
Margin	Records
0 to 100	877
100 to 200	0
200 to 300	0
300 to 400	0
400 to 500	1