Weather Records on 23 October 2017

603 weather records were set or tied worldwide on 23 October 2017. Highest significance: Greenville, US.

Key Facts for 23 October 2017

On 23 October 2017, 603 weather records were set or tied at long-record stations worldwide.
298 were record highs and 35 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 20 monthly and 581 daily.
Greenville set a daily record precipitation of 116.8 mm (4.6 in) on 23 October 2017.
Across 160 earlier years (1795 to 2025) the same calendar date averaged 462 records.

Record Map

603 stations

603 station records on 23 October 2017 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 23 October 2017: highest significance records shown on the map
Station	Country	Type	Value	Significance
Greenville	United States	Record daily precipitation	116.8 mm (4.6 in)	72 of 100 (Major)
Cle Elum	United States	Record daily precipitation	80.3 mm (3.2 in)	71 of 100 (Major)
Wallace 2 E	United States	Record daily precipitation	132.1 mm (5.2 in)	67 of 100 (Major)
Alpena Co Rgnl AP	United States	Record daily precipitation	80.3 mm (3.2 in)	67 of 100 (Major)
Takamatsu	Japan	Record daily precipitation	97.0 mm (3.8 in)	63 of 100 (Major)
Onaway 4N	United States	Record daily precipitation	49.3 mm (1.9 in)	63 of 100 (Major)
Ust-Kamchatsk	Russia	Record daily precipitation	40.9 mm (1.6 in)	62 of 100 (Major)
Atmore	United States	Record daily precipitation	104.1 mm (4.1 in)	62 of 100 (Major)
Pascagoula 3 NE	United States	Record daily precipitation	260.4 mm (10.3 in)	62 of 100 (Major)
Molokai Kaunakakai Molokai AP	United States	Record daily precipitation	59.2 mm (2.3 in)	62 of 100 (Major)
Nagano	Japan	Record daily precipitation	85.6 mm (3.4 in)	61 of 100 (Major)
Beretania Pump STN 705	United States	Record daily precipitation	52.3 mm (2.1 in)	61 of 100 (Major)
Kofu	Japan	Record daily precipitation	128.5 mm (5.1 in)	60 of 100 (Major)
Newport 1 NW	United States	Record daily precipitation	39.4 mm (1.6 in)	59 of 100 (Notable)
Kanazawa	Japan	Record daily precipitation	124.0 mm (4.9 in)	58 of 100 (Notable)
Osaka	Japan	Record daily precipitation	134.6 mm (5.3 in)	58 of 100 (Notable)
Asheville AP	United States	Record daily precipitation	89.4 mm (3.5 in)	57 of 100 (Notable)
Toyama	Japan	Record daily precipitation	97.5 mm (3.8 in)	56 of 100 (Notable)
Chichibu	Japan	Record daily precipitation	136.9 mm (5.4 in)	56 of 100 (Notable)
Matsue	Japan	Record daily precipitation	121.9 mm (4.8 in)	56 of 100 (Notable)
Tottori	Japan	Record daily precipitation	145.0 mm (5.7 in)	56 of 100 (Notable)
Robertsdale	United States	Record daily precipitation	175.3 mm (6.9 in)	56 of 100 (Notable)
Lake Margaret Dam	Australia	Record daily precipitation	76.4 mm (3.0 in)	54 of 100 (Notable)
Hachinohe	Japan	Record daily precipitation	100.1 mm (3.9 in)	53 of 100 (Notable)
Newport	United States	Record daily precipitation	40.1 mm (1.6 in)	53 of 100 (Notable)
Asheville	United States	Record daily precipitation	77.7 mm (3.1 in)	53 of 100 (Notable)
Tallebudgera Guineas Creek Roa	Australia	Record daily precipitation	43.0 mm (1.7 in)	52 of 100 (Notable)
Hamamatsu	Japan	Record daily precipitation	130.0 mm (5.1 in)	51 of 100 (Notable)
Okayama	Japan	Record daily precipitation	75.9 mm (3.0 in)	50 of 100 (Notable)
Monticello	United States	Record daily precipitation	76.2 mm (3.0 in)	50 of 100 (Notable)
Elkins- Randolph Co AP	United States	Record daily precipitation	52.8 mm (2.1 in)	50 of 100 (Notable)
Fukaura	Japan	Record daily precipitation	72.9 mm (2.9 in)	49 of 100 (Notable)
Niigata	Japan	Record daily precipitation	65.5 mm (2.6 in)	49 of 100 (Notable)
Wilhelmina Rise 721	United States	Record daily precipitation	62.7 mm (2.5 in)	49 of 100 (Notable)
Bluefield Mercer Co AP	United States	Record daily precipitation	61.2 mm (2.4 in)	49 of 100 (Notable)
Miyako	Japan	Record daily precipitation	96.0 mm (3.8 in)	48 of 100 (Notable)
Ueno	Japan	Record daily precipitation	74.9 mm (2.9 in)	48 of 100 (Notable)
Talbotton	United States	Record daily precipitation	66.0 mm (2.6 in)	48 of 100 (Notable)
Muskegon Co AP	United States	Record daily precipitation	71.1 mm (2.8 in)	48 of 100 (Notable)
Houghton Lake Roscommon Co AP	United States	Record daily precipitation	101.3 mm (4.0 in)	48 of 100 (Notable)
Rijeka	Croatia	Record daily precipitation	132.9 mm (5.2 in)	47 of 100 (Notable)
Calera	United States	Record daily precipitation	53.3 mm (2.1 in)	47 of 100 (Notable)
Columbus Metro AP	United States	Record daily precipitation	53.3 mm (2.1 in)	47 of 100 (Notable)
Wakamatsu	Japan	Record daily precipitation	58.4 mm (2.3 in)	46 of 100 (Notable)
Shizuoka	Japan	Record daily precipitation	126.5 mm (5.0 in)	46 of 100 (Notable)
Frankfort 2NE	United States	Record high maximum temperature	23.9 C (75.0 F)	45 of 100 (Notable)
Honolulu Intl AP	United States	Record daily precipitation	63.2 mm (2.5 in)	45 of 100 (Notable)
Warruwi	Australia	Record daily precipitation	30.8 mm (1.2 in)	44 of 100 (Notable)
Middleboro	United States	Record high maximum temperature	26.1 C (79.0 F)	44 of 100 (Notable)
Pittsburgh Allegheny Co AP	United States	Record daily precipitation	29.2 mm (1.1 in)	44 of 100 (Notable)
Los Angeles Downtown/Usc	United States	Record high maximum temperature	38.9 C (102.0 F)	44 of 100 (Notable)
Karuizawa	Japan	Record daily precipitation	65.0 mm (2.6 in)	42 of 100 (Notable)
Bridgewater Hydro	United States	Record daily precipitation	79.5 mm (3.1 in)	42 of 100 (Notable)
Coconut Is 840.1	United States	Record daily precipitation	37.6 mm (1.5 in)	42 of 100 (Notable)
Greer	United States	Record daily precipitation	73.7 mm (2.9 in)	42 of 100 (Notable)
Evergreen	United States	Record daily precipitation	98.6 mm (3.9 in)	41 of 100 (Notable)
Troy	United States	Record daily precipitation	44.7 mm (1.8 in)	41 of 100 (Notable)
Arcadia	United States	Record high minimum temperature	22.2 C (72.0 F)	41 of 100 (Notable)
Glennville 3NW	United States	Record high minimum temperature	21.1 C (70.0 F)	41 of 100 (Notable)
Greeneville Exp STN	United States	Record high minimum temperature	17.8 C (64.0 F)	41 of 100 (Notable)

Counts by Type and Timescale

603 records

Records set or tied on 23 October 2017 by type: Highest daily maximum 143, Lowest daily maximum 13, Highest daily minimum 155, Lowest daily minimum 22, Heaviest daily rainfall 265, Heaviest daily snowfall 1, Deepest snow cover 4.

Records on 23 October 2017 by type
Record type	Records
Highest daily maximum	143
Lowest daily maximum	13
Highest daily minimum	155
Lowest daily minimum	22
Heaviest daily rainfall	265
Heaviest daily snowfall	1
Deepest snow cover	4

Records on 23 October 2017 by timescale: all-time 2, monthly 20, daily 581.

How Much Records Were Beaten By

502 broken records

Margins by which the 502 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 127.0. Ties are not counted.

Top 20 by Significance

23 October 2017

Top 20 records on 23 October 2017 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
23 October 2017	Greenville, US	daily rain	116.8 mm (4.6 in)	62.2 mm (2.4 in)	98 years	72 of 100 (Major)
23 October 2017	Cle Elum, US	monthly rain	80.3 mm (3.2 in)	15.0 mm (0.6 in)	90 years	71 of 100 (Major)
23 October 2017	Wallace 2 E, US	daily rain	132.1 mm (5.2 in)	87.6 mm (3.4 in)	72 years	67 of 100 (Major)
23 October 2017	Alpena Co Rgnl AP, US	daily rain	80.3 mm (3.2 in)	54.1 mm (2.1 in)	59 years	67 of 100 (Major)
23 October 2017	Takamatsu, JP	daily rain	97.0 mm (3.8 in)	67.8 mm (2.7 in)	66 years	63 of 100 (Major)
23 October 2017	Onaway 4N, US	daily rain	49.3 mm (1.9 in)	19.1 mm (0.8 in)	88 years	63 of 100 (Major)
23 October 2017	Ust-Kamchatsk, RU	daily rain	40.9 mm (1.6 in)	34.2 mm (1.3 in)	51 years	62 of 100 (Major)
23 October 2017	Atmore, US	daily rain	104.1 mm (4.1 in)	72.3 mm (2.8 in)	66 years	62 of 100 (Major)
23 October 2017	Pascagoula 3 NE, US	monthly rain	260.4 mm (10.3 in)	64.3 mm (2.5 in)	61 years	62 of 100 (Major)
23 October 2017	Molokai Kaunakakai Molokai AP, US	daily rain	59.2 mm (2.3 in)	42.2 mm (1.7 in)	59 years	62 of 100 (Major)
23 October 2017	Nagano, JP	daily rain	85.6 mm (3.4 in)	66.7 mm (2.6 in)	52 years	61 of 100 (Major)
23 October 2017	Beretania Pump STN 705, US	daily rain	52.3 mm (2.1 in)	40.6 mm (1.6 in)	59 years	61 of 100 (Major)
23 October 2017	Kofu, JP	daily rain	128.5 mm (5.1 in)	97.0 mm (3.8 in)	48 years	60 of 100 (Major)
23 October 2017	Newport 1 NW, US	daily rain	39.4 mm (1.6 in)	19.1 mm (0.8 in)	108 years	59 of 100 (Notable)
23 October 2017	Kanazawa, JP	daily rain	124.0 mm (4.9 in)	87.5 mm (3.4 in)	43 years	58 of 100 (Notable)
23 October 2017	Osaka, JP	daily rain	134.6 mm (5.3 in)	112.5 mm (4.4 in)	43 years	58 of 100 (Notable)
23 October 2017	Asheville AP, US	daily rain	89.4 mm (3.5 in)	60.7 mm (2.4 in)	34 years	57 of 100 (Notable)
23 October 2017	Toyama, JP	daily rain	97.5 mm (3.8 in)	66.5 mm (2.6 in)	36 years	56 of 100 (Notable)
23 October 2017	Chichibu, JP	daily rain	136.9 mm (5.4 in)	93.4 mm (3.7 in)	48 years	56 of 100 (Notable)
23 October 2017	Matsue, JP	daily rain	121.9 mm (4.8 in)	102.4 mm (4.0 in)	34 years	56 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

1795 to 2017

Records set or tied on this calendar date in each year from 1795 to 2017. 2017 had 603 records.

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

Records on 10-23 in each year
Year	Records
1795	1
1802	2
1843	1
1845	1
1850	1
1851	2
1855	1
1859	2
1861	1
1863	1
1865	2
1866	1
1869	3
1871	2
1872	1
1873	2
1876	2
1878	1
1880	7
1881	2
1882	1
1883	1
1885	2
1888	1
1889	2
1890	2
1891	8
1892	3
1893	3
1894	5
1895	4
1896	2
1897	3
1898	5
1899	4
1900	8
1901	7
1902	7
1903	10
1904	7
1905	15
1906	17
1907	5
1908	19
1909	12
1910	6
1911	40
1912	50
1913	38
1914	9
1915	167
1916	290
1917	62
1918	12
1919	42
1920	262
1921	58
1922	38
1923	165
1924	160
1925	191
1926	131
1927	266
1928	120
1929	352
1930	310
1931	353
1932	310
1933	241
1934	333
1935	519
1936	490
1937	816
1938	403
1939	717
1940	304
1941	499
1942	306
1943	446
1944	283
1945	533
1946	258
1947	631
1948	251
1949	432
1950	507
1951	626
1952	432
1953	373
1954	317
1955	266
1956	587
1957	1,266
1958	255
1959	682
1960	341
1961	329
1962	141
1963	1,297
1964	264
1965	330
1966	625
1967	297
1968	175
1969	1,200
1970	617
1971	705
1972	601
1973	712
1974	653
1975	1,028
1976	879
1977	578
1978	570
1979	1,094
1980	584
1981	1,502
1982	1,071
1983	853
1984	1,261
1985	846
1986	968
1987	694
1988	619
1989	1,363
1990	954
1991	1,232
1992	1,176
1993	670
1994	558
1995	1,471
1996	1,396
1997	1,172
1998	1,221
1999	1,011
2000	1,275
2001	1,091
2002	1,868
2003	1,952
2004	1,224
2005	679
2006	1,976
2007	1,673
2008	993
2009	838
2010	683
2011	701
2012	1,017
2013	754
2014	755
2015	760
2016	460
2017	603
2018	322
2019	459
2020	1,777
2021	298
2022	1,342
2023	544
2024	674
2025	343

Download the Data

Data for records on 2017-10-23: 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 2026-10-16 (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 20	414
20 to 40	45
40 to 60	20
60 to 80	12
80 to 100	6
100 to 120	3
120 to 140	2