Weather Records on 18 October 2017

590 weather records were set or tied worldwide on 18 October 2017. Highest significance: Mt Perry the Pines, AU.

Key Facts for 18 October 2017

On 18 October 2017, 590 weather records were set or tied at long-record stations worldwide.
371 were record highs and 51 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 30 monthly and 560 daily.
Mt Perry the Pines set a daily record precipitation of 125.2 mm (4.9 in) on 18 October 2017.
Across 167 earlier years (1794 to 2025) the same calendar date averaged 433 records.

Record Map

590 stations

590 station records on 18 October 2017 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 October 2017: highest significance records shown on the map
Station	Country	Type	Value	Significance
Mt Perry the Pines	Australia	Record daily precipitation	125.2 mm (4.9 in)	80 of 100 (Exceptional)
Pacific Heights	Australia	Record daily precipitation	107.4 mm (4.2 in)	79 of 100 (Major)
Fairymead Sugar Mill	Australia	Record daily precipitation	126.0 mm (5.0 in)	75 of 100 (Major)
Yaamba	Australia	Record daily precipitation	98.6 mm (3.9 in)	74 of 100 (Major)
Boona-Choppa	Australia	Record daily precipitation	155.0 mm (6.1 in)	74 of 100 (Major)
Gin Gin Post Office	Australia	Record daily precipitation	200.2 mm (7.9 in)	74 of 100 (Major)
Malakoff	Australia	Record daily precipitation	153.4 mm (6.0 in)	74 of 100 (Major)
Waterloo	Australia	Record daily precipitation	236.0 mm (9.3 in)	69 of 100 (Major)
Maleny Denning Rd	Australia	Record daily precipitation	129.2 mm (5.1 in)	68 of 100 (Major)
Cape Otway Lighthouse	Australia	Record high minimum temperature	22.1 C (71.8 F)	66 of 100 (Major)
Gumlu Days Road	Australia	Record daily precipitation	68.0 mm (2.7 in)	64 of 100 (Major)
Moolboolaman	Australia	Record daily precipitation	130.0 mm (5.1 in)	64 of 100 (Major)
Mt Mee	Australia	Record daily precipitation	136.0 mm (5.4 in)	62 of 100 (Major)
Watalgan Winfield Rd	Australia	Record daily precipitation	175.0 mm (6.9 in)	61 of 100 (Major)
Bancroft	Australia	Record daily precipitation	130.0 mm (5.1 in)	61 of 100 (Major)
Bundaberg Aero	Australia	Record daily precipitation	110.4 mm (4.3 in)	61 of 100 (Major)
Riverslea Tm	Australia	Record daily precipitation	103.0 mm (4.1 in)	60 of 100 (Major)
Lovandee	Australia	Record daily precipitation	154.2 mm (6.1 in)	59 of 100 (Notable)
Byfield Childs Road	Australia	Record daily precipitation	110.0 mm (4.3 in)	58 of 100 (Notable)
Rosedale Post Office	Australia	Record daily precipitation	340.0 mm (13.4 in)	57 of 100 (Notable)
Kolonga	Australia	Record daily precipitation	259.4 mm (10.2 in)	55 of 100 (Notable)
Hillview	Australia	Record daily precipitation	232.0 mm (9.1 in)	55 of 100 (Notable)
Mount Larcom Post Office	Australia	Record daily precipitation	128.6 mm (5.1 in)	54 of 100 (Notable)
Wateranga	Australia	Record daily precipitation	65.2 mm (2.6 in)	54 of 100 (Notable)
Mingela Post Office	Australia	Record daily precipitation	34.6 mm (1.4 in)	52 of 100 (Notable)
Gracemere Russell St	Australia	Record daily precipitation	76.4 mm (3.0 in)	49 of 100 (Notable)
Rockhampton Aero	Australia	Record daily precipitation	102.0 mm (4.0 in)	49 of 100 (Notable)
Ferndale	Australia	Record daily precipitation	144.0 mm (5.7 in)	49 of 100 (Notable)
Collinsville Post Office	Australia	Record daily precipitation	39.0 mm (1.5 in)	48 of 100 (Notable)
Childers South	Australia	Record daily precipitation	77.2 mm (3.0 in)	47 of 100 (Notable)
Robe Comparison	Australia	Record high minimum temperature	17.9 C (64.2 F)	46 of 100 (Notable)
Rowanlea	Australia	Record daily precipitation	97.4 mm (3.8 in)	46 of 100 (Notable)
Robe Comparison	Australia	Record high maximum temperature	27.8 C (82.0 F)	43 of 100 (Notable)
Strathmuir	Australia	Record daily precipitation	77.0 mm (3.0 in)	43 of 100 (Notable)
Gladstone Radar	Australia	Record daily precipitation	93.4 mm (3.7 in)	43 of 100 (Notable)
Redbank	Australia	Record daily precipitation	45.0 mm (1.8 in)	43 of 100 (Notable)
Charnwood	Australia	Record daily precipitation	264.4 mm (10.4 in)	42 of 100 (Notable)
Maryborough	Australia	Record daily precipitation	51.8 mm (2.0 in)	41 of 100 (Notable)
Mitchell 5E	United States	Record high minimum temperature	7.8 C (46.0 F)	41 of 100 (Notable)
Rainy Pass	United States	Record daily precipitation	68.6 mm (2.7 in)	41 of 100 (Notable)
Goovigen Post Office	Australia	Record daily precipitation	77.4 mm (3.0 in)	40 of 100 (Notable)
Woodbine	Australia	Record daily precipitation	61.0 mm (2.4 in)	40 of 100 (Notable)
Biggenden Post Office	Australia	Record daily precipitation	86.2 mm (3.4 in)	40 of 100 (Notable)
Injune Post Office	Australia	Record daily precipitation	34.8 mm (1.4 in)	40 of 100 (Notable)
Wessington Springs	United States	Record high maximum temperature	25.0 C (77.0 F)	40 of 100 (Notable)
Ayr Dpi Research STN	Australia	Record daily precipitation	40.4 mm (1.6 in)	39 of 100 (Notable)
Natitingou	Benin	Record low minimum temperature	16.9 C (62.4 F)	39 of 100 (Notable)
Animas 3ESE	United States	Record high minimum temperature	16.1 C (61.0 F)	39 of 100 (Notable)
Belle Fourche	United States	Record high minimum temperature	10.6 C (51.1 F)	39 of 100 (Notable)
Blaine	United States	Record daily precipitation	40.6 mm (1.6 in)	39 of 100 (Notable)
Pago Pago WSO AP	American Samoa [United States]	Record daily precipitation	103.1 mm (4.1 in)	38 of 100 (Notable)
Kangaroo Hills Station	Australia	Record daily precipitation	32.0 mm (1.3 in)	38 of 100 (Notable)
Hobart (Ellerslie Road)	Australia	Record high minimum temperature	15.3 C (59.5 F)	38 of 100 (Notable)
Tombstone	United States	Record high minimum temperature	19.4 C (66.9 F)	38 of 100 (Notable)
Moonmera	Australia	Record daily precipitation	77.0 mm (3.0 in)	37 of 100 (Notable)
Monto Township	Australia	Record daily precipitation	118.8 mm (4.7 in)	37 of 100 (Notable)
Adelaide West Terrace	Australia	Record high minimum temperature	25.4 C (77.7 F)	36 of 100 (Notable)
Halifax Macrossan St	Australia	Record daily precipitation	72.0 mm (2.8 in)	36 of 100 (Notable)
Burdekin Shire Council	Australia	Record daily precipitation	64.0 mm (2.5 in)	36 of 100 (Notable)
Jambin Post Office	Australia	Record daily precipitation	65.6 mm (2.6 in)	36 of 100 (Notable)

Counts by Type and Timescale

590 records

Records set or tied on 18 October 2017 by type: Highest daily maximum 217, Lowest daily maximum 16, Highest daily minimum 154, Lowest daily minimum 35, Heaviest daily rainfall 168.

Records on 18 October 2017 by type
Record type	Records
Highest daily maximum	217
Lowest daily maximum	16
Highest daily minimum	154
Lowest daily minimum	35
Heaviest daily rainfall	168
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 18 October 2017 by timescale: all-time 0, monthly 30, daily 560.

How Much Records Were Beaten By

505 broken records

Margins by which the 505 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 138.2. Ties are not counted.

Top 20 by Significance

18 October 2017

Top 20 records on 18 October 2017 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 October 2017	Mt Perry the Pines, AU	daily rain	125.2 mm (4.9 in)	79.5 mm (3.1 in)	106 years	80 of 100 (Exceptional)
18 October 2017	Pacific Heights, AU	daily rain	107.4 mm (4.2 in)	69.3 mm (2.7 in)	100 years	79 of 100 (Major)
18 October 2017	Fairymead Sugar Mill, AU	daily rain	126.0 mm (5.0 in)	80.8 mm (3.2 in)	84 years	75 of 100 (Major)
18 October 2017	Yaamba, AU	daily rain	98.6 mm (3.9 in)	52.1 mm (2.1 in)	100 years	74 of 100 (Major)
18 October 2017	Boona-Choppa, AU	daily rain	155.0 mm (6.1 in)	105.7 mm (4.2 in)	84 years	74 of 100 (Major)
18 October 2017	Gin Gin Post Office, AU	monthly rain	200.2 mm (7.9 in)	47.8 mm (1.9 in)	84 years	74 of 100 (Major)
18 October 2017	Malakoff, AU	monthly rain	153.4 mm (6.0 in)	75.9 mm (3.0 in)	56 years	74 of 100 (Major)
18 October 2017	Waterloo, AU	monthly rain	236.0 mm (9.3 in)	62.8 mm (2.5 in)	56 years	69 of 100 (Major)
18 October 2017	Maleny Denning Rd, AU	daily rain	129.2 mm (5.1 in)	69.3 mm (2.7 in)	74 years	68 of 100 (Major)
18 October 2017	Cape Otway Lighthouse, AU	daily high min	22.1 C (71.8 F)	6.5 C (11.7 F)	116 years	66 of 100 (Major)
18 October 2017	Gumlu Days Road, AU	daily rain	68.0 mm (2.7 in)	59.4 mm (2.3 in)	48 years	64 of 100 (Major)
18 October 2017	Moolboolaman, AU	daily rain	130.0 mm (5.1 in)	85.3 mm (3.4 in)	52 years	64 of 100 (Major)
18 October 2017	Mt Mee, AU	daily rain	136.0 mm (5.4 in)	53.7 mm (2.1 in)	74 years	62 of 100 (Major)
18 October 2017	Watalgan Winfield Rd, AU	daily rain	175.0 mm (6.9 in)	138.2 mm (5.4 in)	46 years	61 of 100 (Major)
18 October 2017	Bancroft, AU	monthly rain	130.0 mm (5.1 in)	48.0 mm (1.9 in)	12 years	61 of 100 (Major)
18 October 2017	Bundaberg Aero, AU	daily rain	110.4 mm (4.3 in)	48.7 mm (1.9 in)	74 years	61 of 100 (Major)
18 October 2017	Riverslea Tm, AU	monthly rain	103.0 mm (4.1 in)	14.1 mm (0.6 in)	100 years	60 of 100 (Major)
18 October 2017	Lovandee, AU	monthly rain	154.2 mm (6.1 in)	65.4 mm (2.6 in)	16 years	59 of 100 (Notable)
18 October 2017	Byfield Childs Road, AU	daily rain	110.0 mm (4.3 in)	91.0 mm (3.6 in)	31 years	58 of 100 (Notable)
18 October 2017	Rosedale Post Office, AU	monthly rain	340.0 mm (13.4 in)	70.0 mm (2.8 in)	0 years	57 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 2017

Records set or tied on this calendar date in each year from 1794 to 2017. 2017 had 590 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 2017-10-18: 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	443
20 to 40	32
40 to 60	14
60 to 80	8
80 to 100	4
100 to 120	1
120 to 140	3