Weather Records on 18 October 2015

915 weather records were set or tied worldwide on 18 October 2015. Highest significance: Dushanbe, TJ.

Key Facts for 18 October 2015

On 18 October 2015, 915 weather records were set or tied at long-record stations worldwide.
610 were record highs and 130 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 8 monthly and 907 daily.
Dushanbe set a daily record precipitation of 50.0 mm (2.0 in) on 18 October 2015.
Across 167 earlier years (1794 to 2025) the same calendar date averaged 431 records.

Record Map

915 stations

915 station records on 18 October 2015 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 October 2015: highest significance records shown on the map
Station	Country	Type	Value	Significance
Dushanbe	Tajikistan	Record daily precipitation	50.0 mm (2.0 in)	65 of 100 (Major)
Dzizak	Uzbekistan	Record daily precipitation	35.1 mm (1.4 in)	55 of 100 (Notable)
Garden Valley	United States	Record high minimum temperature	12.8 C (55.0 F)	50 of 100 (Notable)
Kealakekua 26.2	United States	Record high maximum temperature	31.1 C (88.0 F)	50 of 100 (Notable)
Bryce Canyon Np Hqrs	United States	Record daily precipitation	39.9 mm (1.6 in)	49 of 100 (Notable)
Chetumal Intl	Mexico	Record daily precipitation	113.0 mm (4.4 in)	48 of 100 (Notable)
Chama	United States	Record high minimum temperature	7.2 C (45.0 F)	47 of 100 (Notable)
Aleksandrovsk-Sahalinskij	Russia	Record daily precipitation	28.0 mm (1.1 in)	46 of 100 (Notable)
Manoa 712.1	United States	Record daily precipitation	34.3 mm (1.4 in)	46 of 100 (Notable)
Pendzhikent	Tajikistan	Record daily precipitation	29.0 mm (1.1 in)	45 of 100 (Notable)
Arco	United States	Record high minimum temperature	10.0 C (50.0 F)	45 of 100 (Notable)
Pathfinder Dam	United States	Record high minimum temperature	13.3 C (55.9 F)	45 of 100 (Notable)
Quincy	United States	Record high minimum temperature	9.4 C (48.9 F)	44 of 100 (Notable)
Sugar City	United States	Record high minimum temperature	10.0 C (50.0 F)	44 of 100 (Notable)
Tombstone	United States	Record daily precipitation	27.9 mm (1.1 in)	43 of 100 (Notable)
Lemon Cove	United States	Record daily precipitation	36.6 mm (1.4 in)	43 of 100 (Notable)
Ft Lewis	United States	Record high minimum temperature	8.9 C (48.0 F)	43 of 100 (Notable)
McCall	United States	Record high minimum temperature	10.6 C (51.1 F)	43 of 100 (Notable)
Saint Anthony	United States	Record high minimum temperature	10.0 C (50.0 F)	43 of 100 (Notable)
Dillon U of Montana Western	United States	Record high minimum temperature	10.6 C (51.1 F)	43 of 100 (Notable)
Bryce Canyon AP	United States	Record daily precipitation	48.0 mm (1.9 in)	43 of 100 (Notable)
Castle Rock	United States	Record high minimum temperature	7.2 C (45.0 F)	42 of 100 (Notable)
Cooperstown	United States	Record low maximum temperature	2.2 C (36.0 F)	42 of 100 (Notable)
Old Faithful	United States	Record high maximum temperature	20.0 C (68.0 F)	42 of 100 (Notable)
Hamer 4 NW	United States	Record high minimum temperature	10.6 C (51.1 F)	41 of 100 (Notable)
Lund	United States	Record daily precipitation	36.3 mm (1.4 in)	41 of 100 (Notable)
Idaho Falls FAA AP	United States	Record high minimum temperature	10.6 C (51.1 F)	41 of 100 (Notable)
Haines AP	United States	Record high maximum temperature	11.7 C (53.1 F)	41 of 100 (Notable)
El Capitan Dam	United States	Record high minimum temperature	21.1 C (70.0 F)	40 of 100 (Notable)
Dubois Exp STN	United States	Record high minimum temperature	10.6 C (51.1 F)	40 of 100 (Notable)
Union City Filtration Plt	United States	Record daily snowfall	7.6 cm (3.0 in)	40 of 100 (Notable)
Marshall	United States	Record high maximum temperature	35.0 C (95.0 F)	40 of 100 (Notable)
Chetumal Intl	Mexico	Record low maximum temperature	27.1 C (80.8 F)	39 of 100 (Notable)
Ash Mtn	United States	Record daily precipitation	27.2 mm (1.1 in)	39 of 100 (Notable)
Mackay Lost Rvr Rs	United States	Record high minimum temperature	7.8 C (46.0 F)	39 of 100 (Notable)
Savannah 6 SW	United States	Record low minimum temperature	-5.0 C (23.0 F)	39 of 100 (Notable)
Waterville	United States	Record high minimum temperature	10.6 C (51.1 F)	39 of 100 (Notable)
Ashton 1N	United States	Record high minimum temperature	10.0 C (50.0 F)	38 of 100 (Notable)
Nyssa	United States	Record high minimum temperature	12.8 C (55.0 F)	38 of 100 (Notable)
Three Lynx	United States	Record high minimum temperature	12.2 C (54.0 F)	38 of 100 (Notable)
Misurata	Libya	Record high minimum temperature	23.8 C (74.8 F)	37 of 100 (Notable)
Cambridge	United States	Record high minimum temperature	13.3 C (55.9 F)	37 of 100 (Notable)
Cascade 1 NW	United States	Record high minimum temperature	10.6 C (51.1 F)	37 of 100 (Notable)
Heppner	United States	Record high minimum temperature	13.3 C (55.9 F)	37 of 100 (Notable)
Pittsfield Muni AP	United States	Record low minimum temperature	-5.5 C (22.1 F)	37 of 100 (Notable)
Bouse	United States	Record high minimum temperature	20.0 C (68.0 F)	36 of 100 (Notable)
Henshaw Dam	United States	Record high minimum temperature	15.6 C (60.1 F)	36 of 100 (Notable)
Marion Forks Fish Hatchery	United States	Record high minimum temperature	10.6 C (51.1 F)	36 of 100 (Notable)
Moro	United States	Record high minimum temperature	11.7 C (53.1 F)	36 of 100 (Notable)
Utah Lake Lehi	United States	Record high minimum temperature	11.7 C (53.1 F)	36 of 100 (Notable)
Lindsay	United States	Record high minimum temperature	16.7 C (62.1 F)	35 of 100 (Notable)
Chilly Barton Flat	United States	Record high minimum temperature	7.2 C (45.0 F)	35 of 100 (Notable)
Council	United States	Record high minimum temperature	11.1 C (52.0 F)	35 of 100 (Notable)
Halfway	United States	Record high minimum temperature	12.2 C (54.0 F)	35 of 100 (Notable)
Seneca	United States	Record high minimum temperature	8.9 C (48.0 F)	35 of 100 (Notable)
Woodruff	United States	Record high minimum temperature	5.0 C (41.0 F)	35 of 100 (Notable)
Winchester 7 SE	United States	Record low minimum temperature	-3.9 C (25.0 F)	35 of 100 (Notable)
Mt Adams Rs	United States	Record high minimum temperature	11.1 C (52.0 F)	35 of 100 (Notable)
Leo 6 SW	United States	Record high minimum temperature	12.8 C (55.0 F)	35 of 100 (Notable)
Pinedale	United States	Record high minimum temperature	5.6 C (42.1 F)	35 of 100 (Notable)

Counts by Type and Timescale

915 records

Records set or tied on 18 October 2015 by type: Highest daily maximum 131, Lowest daily maximum 62, Highest daily minimum 479, Lowest daily minimum 68, Heaviest daily rainfall 147, Heaviest daily snowfall 20, Deepest snow cover 8.

Records on 18 October 2015 by type
Record type	Records
Highest daily maximum	131
Lowest daily maximum	62
Highest daily minimum	479
Lowest daily minimum	68
Heaviest daily rainfall	147
Heaviest daily snowfall	20
Deepest snow cover	8

Records on 18 October 2015 by timescale: all-time 0, monthly 8, daily 907.

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 100.6. Ties are not counted.

Top 20 by Significance

18 October 2015

Top 20 records on 18 October 2015 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 October 2015	Dushanbe, TJ	daily rain	50.0 mm (2.0 in)	34.7 mm (1.4 in)	76 years	65 of 100 (Major)
18 October 2015	Dzizak, UZ	daily rain	35.1 mm (1.4 in)	25.7 mm (1.0 in)	52 years	55 of 100 (Notable)
18 October 2015	Garden Valley, US	daily high min	12.8 C (55.0 F)	5.0 C (9.0 F)	93 years	50 of 100 (Notable)
18 October 2015	Kealakekua 26.2, US	daily high max	31.1 C (88.0 F)	1.7 C (3.1 F)	108 years	50 of 100 (Notable)
18 October 2015	Bryce Canyon Np Hqrs, US	daily rain	39.9 mm (1.6 in)	29.2 mm (1.1 in)	42 years	49 of 100 (Notable)
18 October 2015	Chetumal Intl, MX	daily rain	113.0 mm (4.4 in)	100.6 mm (4.0 in)	13 years	48 of 100 (Notable)
18 October 2015	Chama, US	daily high min	7.2 C (45.0 F)	2.8 C (5.0 F)	119 years	47 of 100 (Notable)
18 October 2015	Aleksandrovsk-Sahalinskij, RU	daily rain	28.0 mm (1.1 in)	6.2 mm (0.24 in)	96 years	46 of 100 (Notable)
18 October 2015	Manoa 712.1, US	daily rain	34.3 mm (1.4 in)	8.4 mm (0.33 in)	100 years	46 of 100 (Notable)
18 October 2015	Pendzhikent, TJ	daily rain	29.0 mm (1.1 in)	15.6 mm (0.6 in)	52 years	45 of 100 (Notable)
18 October 2015	Arco, US	daily high min	10.0 C (50.0 F)	4.4 C (7.9 F)	85 years	45 of 100 (Notable)
18 October 2015	Pathfinder Dam, US	daily high min	13.3 C (55.9 F)	3.3 C (5.9 F)	93 years	45 of 100 (Notable)
18 October 2015	Quincy, US	daily high min	9.4 C (48.9 F)	1.6 C (2.9 F)	114 years	44 of 100 (Notable)
18 October 2015	Sugar City, US	daily high min	10.0 C (50.0 F)	4.4 C (7.9 F)	80 years	44 of 100 (Notable)
18 October 2015	Tombstone, US	daily rain	27.9 mm (1.1 in)	17.7 mm (0.7 in)	42 years	43 of 100 (Notable)
18 October 2015	Lemon Cove, US	daily rain	36.6 mm (1.4 in)	9.4 mm (0.37 in)	78 years	43 of 100 (Notable)
18 October 2015	Ft Lewis, US	daily high min	8.9 C (48.0 F)	3.9 C (7.0 F)	84 years	43 of 100 (Notable)
18 October 2015	McCall, US	daily high min	10.6 C (51.1 F)	5.6 C (10.1 F)	64 years	43 of 100 (Notable)
18 October 2015	Saint Anthony, US	daily high min	10.0 C (50.0 F)	6.1 C (11.0 F)	64 years	43 of 100 (Notable)
18 October 2015	Dillon U of Montana Western, US	daily high min	10.6 C (51.1 F)	3.4 C (6.1 F)	88 years	43 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

1794 to 2015

Records set or tied on this calendar date in each year from 1794 to 2015. 2015 had 915 records.

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

Records on 10-18 in each year
Year	Records
1794	1
1796	1
1799	1
1806	1
1807	1
1810	1
1811	2
1817	1
1832	1
1835	1
1836	1
1843	1
1846	2
1848	1
1849	1
1851	1
1852	1
1859	1
1863	1
1865	2
1866	2
1868	1
1869	1
1871	1
1872	1
1874	4
1876	2
1877	2
1879	3
1881	1
1882	1
1883	2
1887	1
1888	1
1890	4
1892	4
1893	1
1894	3
1895	2
1897	6
1898	5
1899	12
1900	5
1901	5
1902	6
1903	9
1904	12
1905	27
1906	17
1907	11
1908	44
1909	23
1910	50
1911	22
1912	12
1913	26
1914	52
1915	12
1916	64
1917	109
1918	24
1919	31
1920	87
1921	87
1922	59
1923	114
1924	151
1925	153
1926	149
1927	309
1928	316
1929	190
1930	507
1931	350
1932	446
1933	264
1934	222
1935	360
1936	483
1937	671
1938	536
1939	475
1940	532
1941	240
1942	332
1943	844
1944	264
1945	398
1946	355
1947	965
1948	1,128
1949	665
1950	996
1951	325
1952	394
1953	678
1954	621
1955	403
1956	578
1957	220
1958	407
1959	246
1960	612
1961	362
1962	252
1963	492
1964	311
1965	1,066
1966	613
1967	405
1968	737
1969	789
1970	501
1971	1,199
1972	1,581
1973	789
1974	746
1975	779
1976	1,326
1977	533
1978	545
1979	555
1980	1,024
1981	680
1982	654
1983	684
1984	1,331
1985	831
1986	344
1987	518
1988	733
1989	1,196
1990	1,043
1991	999
1992	1,295
1993	1,051
1994	1,296
1995	1,227
1996	795
1997	1,240
1998	1,323
1999	773
2000	823
2001	818
2002	878
2003	1,097
2004	1,156
2005	755
2006	1,328
2007	1,298
2008	531
2009	1,546
2010	634
2011	736
2012	741
2013	430
2014	690
2015	915
2016	1,511
2017	590
2018	759
2019	346
2020	957
2021	387
2022	1,334
2023	693
2024	1,142
2025	367

Download the Data

Data for records on 2015-10-18: 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	690
20 to 40	18
40 to 60	3
60 to 80	2
80 to 100	0
100 to 120	1