Weather Records on 25 October 2017

737 weather records were set or tied worldwide on 25 October 2017. Highest significance: Pinkham Notch, US.

Key Facts for 25 October 2017

On 25 October 2017, 737 weather records were set or tied at long-record stations worldwide.
536 were record highs and 39 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 14 monthly and 723 daily.
Pinkham Notch set a daily record precipitation of 121.2 mm (4.8 in) on 25 October 2017.
Across 163 earlier years (1800 to 2025) the same calendar date averaged 463 records.

Record Map

737 stations

737 station records on 25 October 2017 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 25 October 2017: highest significance records shown on the map
Station	Country	Type	Value	Significance
Pinkham Notch	United States	Record daily precipitation	121.2 mm (4.8 in)	65 of 100 (Major)
Amherst	United States	Record daily precipitation	75.9 mm (3.0 in)	63 of 100 (Major)
N Stratford	United States	Record daily precipitation	46.7 mm (1.8 in)	55 of 100 (Notable)
Kapoho Beach 93.11	United States	Record daily precipitation	200.7 mm (7.9 in)	54 of 100 (Notable)
Ware	United States	Record daily precipitation	101.9 mm (4.0 in)	50 of 100 (Notable)
Hawi 168	United States	Record daily precipitation	81.8 mm (3.2 in)	50 of 100 (Notable)
Kealakekua 26.2	United States	Record daily precipitation	89.7 mm (3.5 in)	50 of 100 (Notable)
Birch Hill Dam	United States	Record daily precipitation	71.1 mm (2.8 in)	49 of 100 (Notable)
Middleboro	United States	Record high minimum temperature	18.9 C (66.0 F)	49 of 100 (Notable)
Devils Garden	United States	Record daily precipitation	63.5 mm (2.5 in)	48 of 100 (Notable)
Pohnpei WSO	Federated States of Micronesia	Record high minimum temperature	28.1 C (82.6 F)	47 of 100 (Notable)
Burlington	United States	Record daily precipitation	87.9 mm (3.5 in)	47 of 100 (Notable)
Storrs	United States	Record high minimum temperature	17.8 C (64.0 F)	45 of 100 (Notable)
Saint Johnsbury	United States	Record high minimum temperature	15.0 C (59.0 F)	45 of 100 (Notable)
Hyannis	United States	Record high minimum temperature	17.8 C (64.0 F)	44 of 100 (Notable)
Ashland	United States	Record high maximum temperature	28.9 C (84.0 F)	44 of 100 (Notable)
Middleboro	United States	Record high maximum temperature	22.8 C (73.0 F)	43 of 100 (Notable)
Camarillo AP	United States	Record high maximum temperature	39.4 C (102.9 F)	43 of 100 (Notable)
Zinder	Niger	Record low minimum temperature	16.5 C (61.7 F)	42 of 100 (Notable)
Casa Grande Nm	United States	Record high minimum temperature	18.9 C (66.0 F)	42 of 100 (Notable)
Cuyamaca	United States	Record high minimum temperature	12.8 C (55.0 F)	42 of 100 (Notable)
Paso Robles	United States	Record high maximum temperature	37.2 C (99.0 F)	42 of 100 (Notable)
Hanover	United States	Record high minimum temperature	15.6 C (60.1 F)	42 of 100 (Notable)
Nashua 2 NNW	United States	Record daily precipitation	51.1 mm (2.0 in)	42 of 100 (Notable)
Millinocket Muni AP	United States	Record high minimum temperature	16.7 C (62.1 F)	42 of 100 (Notable)
Chico UNIV Farm	United States	Record high maximum temperature	33.9 C (93.0 F)	41 of 100 (Notable)
Culver City	United States	Record high maximum temperature	38.3 C (100.9 F)	41 of 100 (Notable)
Nevada City	United States	Record high minimum temperature	12.8 C (55.0 F)	41 of 100 (Notable)
Ojai	United States	Record high maximum temperature	39.4 C (102.9 F)	41 of 100 (Notable)
Ft Pierce	United States	Record daily precipitation	47.2 mm (1.9 in)	41 of 100 (Notable)
N Is NAS	United States	Record high maximum temperature	37.8 C (100.0 F)	41 of 100 (Notable)
Norrby_S	Sweden	Record daily precipitation	33.5 mm (1.3 in)	40 of 100 (Notable)
Santa Ana Fire STN	United States	Record high maximum temperature	38.9 C (102.0 F)	40 of 100 (Notable)
Caribou WFO	United States	Record high minimum temperature	17.8 C (64.0 F)	40 of 100 (Notable)
Culver City	United States	Record high minimum temperature	20.6 C (69.1 F)	39 of 100 (Notable)
Healdsburg	United States	Record high maximum temperature	35.6 C (96.1 F)	39 of 100 (Notable)
Sunderland	United States	Record daily precipitation	88.9 mm (3.5 in)	39 of 100 (Notable)
Ft Robinson	United States	Record high maximum temperature	28.9 C (84.0 F)	39 of 100 (Notable)
Mitchell 5E	United States	Record high maximum temperature	28.3 C (82.9 F)	39 of 100 (Notable)
Estacada 2 SE	United States	Record high maximum temperature	25.6 C (78.1 F)	39 of 100 (Notable)
Puukohola Heiau 98.1	United States	Record daily precipitation	31.0 mm (1.2 in)	39 of 100 (Notable)
Scottsbluff W B Heilig Fld AP	United States	Record high maximum temperature	29.4 C (84.9 F)	39 of 100 (Notable)
Dar Es Salaam Airpo	Tanzania	Record low maximum temperature	27.4 C (81.3 F)	38 of 100 (Notable)
Shuttle Meadow Rsvr	United States	Record daily precipitation	97.0 mm (3.8 in)	38 of 100 (Notable)
S Haven	United States	Record daily precipitation	34.3 mm (1.4 in)	38 of 100 (Notable)
Norrveda	Sweden	Record daily precipitation	35.7 mm (1.4 in)	37 of 100 (Notable)
First Connecticut Lake	United States	Record daily precipitation	50.5 mm (2.0 in)	37 of 100 (Notable)
Diversion Dam	United States	Record high maximum temperature	25.0 C (77.0 F)	37 of 100 (Notable)
Augusta State AP	United States	Record high minimum temperature	15.6 C (60.1 F)	37 of 100 (Notable)
Pt Mugu Nf	United States	Record high maximum temperature	37.8 C (100.0 F)	37 of 100 (Notable)
Jomala Jomalaby	Finland	Record daily precipitation	38.0 mm (1.5 in)	36 of 100 (Notable)
Carmel Valley	United States	Record high minimum temperature	20.0 C (68.0 F)	36 of 100 (Notable)
King City	United States	Record high maximum temperature	37.2 C (99.0 F)	36 of 100 (Notable)
Storrs	United States	Record daily precipitation	45.5 mm (1.8 in)	36 of 100 (Notable)
Moultrie 2 ESE	United States	Record low maximum temperature	17.8 C (64.0 F)	36 of 100 (Notable)
Ash Mtn	United States	Record high minimum temperature	17.2 C (63.0 F)	35 of 100 (Notable)
Adel	United States	Record high minimum temperature	9.4 C (48.9 F)	35 of 100 (Notable)
Franklin Falls Dam	United States	Record high minimum temperature	15.6 C (60.1 F)	35 of 100 (Notable)
Imperial Beach Ream Fld NAS	United States	Record high maximum temperature	36.7 C (98.1 F)	35 of 100 (Notable)
U C L A	United States	Record high maximum temperature	37.8 C (100.0 F)	34 of 100 (Routine)

Counts by Type and Timescale

737 records

Records set or tied on 25 October 2017 by type: Highest daily maximum 251, Lowest daily maximum 25, Highest daily minimum 285, Lowest daily minimum 14, Heaviest daily rainfall 158, Heaviest daily snowfall 1, Deepest snow cover 3.

Records on 25 October 2017 by type
Record type	Records
Highest daily maximum	251
Lowest daily maximum	25
Highest daily minimum	285
Lowest daily minimum	14
Heaviest daily rainfall	158
Heaviest daily snowfall	1
Deepest snow cover	3

Records on 25 October 2017 by timescale: all-time 0, monthly 14, daily 723.

How Much Records Were Beaten By

628 broken records

Margins by which the 628 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 80.8. Ties are not counted.

Top 20 by Significance

25 October 2017

Top 20 records on 25 October 2017 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
25 October 2017	Pinkham Notch, US	daily rain	121.2 mm (4.8 in)	57.7 mm (2.3 in)	87 years	65 of 100 (Major)
25 October 2017	Amherst, US	daily rain	75.9 mm (3.0 in)	33.5 mm (1.3 in)	104 years	63 of 100 (Major)
25 October 2017	N Stratford, US	daily rain	46.7 mm (1.8 in)	21.3 mm (0.8 in)	79 years	55 of 100 (Notable)
25 October 2017	Kapoho Beach 93.11, US	monthly rain	200.7 mm (7.9 in)	80.8 mm (3.2 in)	2 years	54 of 100 (Notable)
25 October 2017	Ware, US	monthly rain	101.9 mm (4.0 in)	20.4 mm (0.8 in)	55 years	50 of 100 (Notable)
25 October 2017	Hawi 168, US	daily rain	81.8 mm (3.2 in)	18.0 mm (0.7 in)	76 years	50 of 100 (Notable)
25 October 2017	Kealakekua 26.2, US	monthly rain	89.7 mm (3.5 in)	0.8 mm (0.03 in)	104 years	50 of 100 (Notable)
25 October 2017	Birch Hill Dam, US	daily rain	71.1 mm (2.8 in)	35.0 mm (1.4 in)	66 years	49 of 100 (Notable)
25 October 2017	Middleboro, US	daily high min	18.9 C (66.0 F)	5.0 C (9.0 F)	104 years	49 of 100 (Notable)
25 October 2017	Devils Garden, US	daily rain	63.5 mm (2.5 in)	41.4 mm (1.6 in)	50 years	48 of 100 (Notable)
25 October 2017	Pohnpei WSO, FM	monthly high min	28.1 C (82.6 F)	1.4 C (2.5 F)	58 years	47 of 100 (Notable)
25 October 2017	Burlington, US	daily rain	87.9 mm (3.5 in)	41.2 mm (1.6 in)	58 years	47 of 100 (Notable)
25 October 2017	Storrs, US	daily high min	17.8 C (64.0 F)	2.8 C (5.0 F)	104 years	45 of 100 (Notable)
25 October 2017	Saint Johnsbury, US	daily high min	15.0 C (59.0 F)	2.8 C (5.0 F)	108 years	45 of 100 (Notable)
25 October 2017	Hyannis, US	daily high min	17.8 C (64.0 F)	2.2 C (4.0 F)	104 years	44 of 100 (Notable)
25 October 2017	Ashland, US	daily high max	28.9 C (84.0 F)	2.2 C (4.0 F)	112 years	44 of 100 (Notable)
25 October 2017	Middleboro, US	daily high max	22.8 C (73.0 F)	1.7 C (3.1 F)	123 years	43 of 100 (Notable)
25 October 2017	Camarillo AP, US	daily high max	39.4 C (102.9 F)	8.8 C (15.8 F)	60 years	43 of 100 (Notable)
25 October 2017	Zinder, NE	daily low min	16.5 C (61.7 F)	0.5 C (0.9 F)	100 years	42 of 100 (Notable)
25 October 2017	Casa Grande Nm, US	daily high min	18.9 C (66.0 F)	1.1 C (2.0 F)	103 years	42 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

1800 to 2017

Records set or tied on this calendar date in each year from 1800 to 2017. 2017 had 737 records.

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

Records on 10-25 in each year
Year	Records
1800	1
1802	1
1831	1
1834	1
1840	1
1841	1
1845	1
1850	1
1853	1
1856	1
1857	1
1859	1
1861	2
1864	1
1866	2
1869	1
1870	1
1871	1
1874	3
1875	2
1876	1
1877	1
1879	2
1881	1
1883	2
1885	1
1887	3
1888	4
1890	11
1891	4
1892	3
1893	2
1894	6
1895	2
1896	1
1897	1
1898	1
1899	8
1900	3
1901	3
1902	13
1903	4
1904	10
1905	20
1906	18
1907	14
1908	32
1909	19
1910	15
1911	28
1912	18
1913	51
1914	33
1915	50
1916	19
1917	29
1918	36
1919	73
1920	158
1921	47
1922	210
1923	117
1924	122
1925	297
1926	391
1927	358
1928	104
1929	262
1930	260
1931	317
1932	380
1933	433
1934	983
1935	302
1936	205
1937	328
1938	461
1939	934
1940	491
1941	323
1942	383
1943	321
1944	273
1945	437
1946	460
1947	668
1948	169
1949	761
1950	408
1951	493
1952	331
1953	278
1954	687
1955	573
1956	501
1957	907
1958	285
1959	904
1960	439
1961	237
1962	937
1963	1,115
1964	245
1965	529
1966	347
1967	493
1968	376
1969	462
1970	693
1971	996
1972	409
1973	339
1974	470
1975	1,326
1976	832
1977	824
1978	460
1979	720
1980	967
1981	1,200
1982	1,107
1983	484
1984	1,135
1985	595
1986	665
1987	572
1988	594
1989	1,543
1990	554
1991	1,413
1992	1,208
1993	569
1994	610
1995	667
1996	1,016
1997	2,375
1998	903
1999	1,110
2000	1,469
2001	1,338
2002	1,779
2003	1,215
2004	1,107
2005	1,695
2006	1,165
2007	1,289
2008	722
2009	576
2010	1,240
2011	748
2012	1,267
2013	656
2014	945
2015	499
2016	569
2017	737
2018	402
2019	1,000
2020	3,067
2021	1,081
2022	778
2023	1,254
2024	724
2025	505

Download the Data

Data for records on 2017-10-25: 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 20	606
20 to 40	15
40 to 60	5
60 to 80	1
80 to 100	1