Weather Records on 17 October 2017

743 weather records were set or tied worldwide on 17 October 2017. Highest significance: The Valley, AU.

Key Facts for 17 October 2017

On 17 October 2017, 743 weather records were set or tied at long-record stations worldwide.
523 were record highs and 64 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 16 monthly and 726 daily.
The Valley set a monthly record daily precipitation of 132.0 mm (5.2 in) on 17 October 2017.
Across 162 earlier years (1793 to 2025) the same calendar date averaged 438 records.

Record Map

743 stations

743 station records on 17 October 2017 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 17 October 2017: highest significance records shown on the map
Station	Country	Type	Value	Significance
The Valley	Australia	Record daily precipitation	132.0 mm (5.2 in)	86 of 100 (Exceptional)
Gin Gin Post Office	Australia	Record daily precipitation	135.2 mm (5.3 in)	77 of 100 (Major)
Rosedale Post Office	Australia	Record daily precipitation	270.0 mm (10.6 in)	76 of 100 (Major)
Sandy Cape Lighthouse	Australia	Record daily precipitation	108.4 mm (4.3 in)	75 of 100 (Major)
Eumundi - Crescent Rd	Australia	Record daily precipitation	168.4 mm (6.6 in)	74 of 100 (Major)
Watalgan Winfield Rd	Australia	Record daily precipitation	137.0 mm (5.4 in)	73 of 100 (Major)
Cania Gorge Park	Australia	Record daily precipitation	119.4 mm (4.7 in)	73 of 100 (Major)
Guayama 1SW	Puerto Rico [United States]	Record daily precipitation	131.1 mm (5.2 in)	71 of 100 (Major)
Maryborough	Australia	Record daily precipitation	105.0 mm (4.1 in)	66 of 100 (Major)
Spring Creek Station	Australia	Record daily precipitation	58.8 mm (2.3 in)	64 of 100 (Major)
Miara	Australia	Record daily precipitation	135.0 mm (5.3 in)	64 of 100 (Major)
Duckinwilla Creek	Australia	Record daily precipitation	108.0 mm (4.3 in)	64 of 100 (Major)
Boona-Choppa	Australia	Record daily precipitation	107.0 mm (4.2 in)	62 of 100 (Major)
Euleilah Creek	Australia	Record daily precipitation	159.4 mm (6.3 in)	62 of 100 (Major)
Kolonga	Australia	Record daily precipitation	133.4 mm (5.3 in)	60 of 100 (Major)
Aibonito 1 S	Puerto Rico [United States]	Record daily precipitation	94.0 mm (3.7 in)	59 of 100 (Notable)
Linguere	Senegal	Record daily precipitation	59.9 mm (2.4 in)	59 of 100 (Notable)
Eidsvold Post Office	Australia	Record daily precipitation	77.2 mm (3.0 in)	58 of 100 (Notable)
Charnwood	Australia	Record daily precipitation	206.2 mm (8.1 in)	58 of 100 (Notable)
Malboona	Australia	Record daily precipitation	28.0 mm (1.1 in)	57 of 100 (Notable)
Seventeen Seventy	Australia	Record daily precipitation	138.0 mm (5.4 in)	57 of 100 (Notable)
Monduran	Australia	Record daily precipitation	173.0 mm (6.8 in)	55 of 100 (Notable)
Toogoom	Australia	Record daily precipitation	92.4 mm (3.6 in)	54 of 100 (Notable)
Urangan Hibiscus St	Australia	Record daily precipitation	92.0 mm (3.6 in)	53 of 100 (Notable)
Bingera Sugar Mill	Australia	Record daily precipitation	86.4 mm (3.4 in)	52 of 100 (Notable)
Mt Perry the Pines	Australia	Record daily precipitation	106.2 mm (4.2 in)	51 of 100 (Notable)
Palmerville	Australia	Record low maximum temperature	25.4 C (77.7 F)	50 of 100 (Notable)
Pacific Heights	Australia	Record daily precipitation	52.4 mm (2.1 in)	50 of 100 (Notable)
Waterloo	Australia	Record daily precipitation	150.0 mm (5.9 in)	49 of 100 (Notable)
Traveston	Australia	Record daily precipitation	136.0 mm (5.4 in)	49 of 100 (Notable)
Bargara	Australia	Record daily precipitation	110.0 mm (4.3 in)	48 of 100 (Notable)
Fichtelberg	Germany	Record high minimum temperature	12.3 C (54.1 F)	48 of 100 (Notable)
Marodian Homestead	Australia	Record daily precipitation	74.0 mm (2.9 in)	47 of 100 (Notable)
Guanghua	China	Record daily precipitation	50.0 mm (2.0 in)	47 of 100 (Notable)
Robe Comparison	Australia	Record high maximum temperature	30.2 C (86.4 F)	46 of 100 (Notable)
Wateranga	Australia	Record daily precipitation	61.6 mm (2.4 in)	46 of 100 (Notable)
Woodgate Store	Australia	Record daily precipitation	80.2 mm (3.2 in)	46 of 100 (Notable)
Biggenden Post Office	Australia	Record daily precipitation	70.7 mm (2.8 in)	46 of 100 (Notable)
Bundaberg Aero	Australia	Record daily precipitation	104.0 mm (4.1 in)	45 of 100 (Notable)
Kaneohe Bay MCAS	United States	Record low minimum temperature	16.7 C (62.1 F)	45 of 100 (Notable)
Bancroft	Australia	Record daily precipitation	52.0 mm (2.0 in)	44 of 100 (Notable)
Mapleton Post Office	Australia	Record daily precipitation	133.6 mm (5.3 in)	44 of 100 (Notable)
Fairymead Sugar Mill	Australia	Record daily precipitation	106.6 mm (4.2 in)	43 of 100 (Notable)
Adelaide West Terrace	Australia	Record high minimum temperature	22.1 C (71.8 F)	42 of 100 (Notable)
Imbil Post Office	Australia	Record daily precipitation	109.6 mm (4.3 in)	42 of 100 (Notable)
Montabaur	Germany	Record high maximum temperature	22.8 C (73.0 F)	42 of 100 (Notable)
Mormon Flat	United States	Record high minimum temperature	25.6 C (78.1 F)	42 of 100 (Notable)
Tabulam (Muirne)	Australia	Record daily precipitation	68.2 mm (2.7 in)	41 of 100 (Notable)
Hillsborough Rvr Sp	United States	Record daily precipitation	49.5 mm (1.9 in)	41 of 100 (Notable)
Glasgow #2	United States	Record high minimum temperature	10.0 C (50.0 F)	41 of 100 (Notable)
Lewistown AP	United States	Record high minimum temperature	9.4 C (48.9 F)	41 of 100 (Notable)
Sonnblick	Austria	Record high minimum temperature	3.1 C (37.6 F)	40 of 100 (Notable)
Berlin-Dahlem	Germany	Record high maximum temperature	22.3 C (72.1 F)	40 of 100 (Notable)
Fichtelberg	Germany	Record high maximum temperature	19.8 C (67.6 F)	40 of 100 (Notable)
Halmstad	Sweden	Record high minimum temperature	12.3 C (54.1 F)	40 of 100 (Notable)
Orkabie West Hill	Australia	Record daily precipitation	54.0 mm (2.1 in)	39 of 100 (Notable)
Lindenberg	Germany	Record high maximum temperature	22.7 C (72.9 F)	39 of 100 (Notable)
Tak	Thailand	Record daily precipitation	101.9 mm (4.0 in)	39 of 100 (Notable)
Kirup	Australia	Record daily precipitation	27.5 mm (1.1 in)	38 of 100 (Notable)
Moolboolaman	Australia	Record daily precipitation	150.0 mm (5.9 in)	38 of 100 (Notable)

Counts by Type and Timescale

743 records

Records set or tied on 17 October 2017 by type: Highest daily maximum 354, Lowest daily maximum 24, Highest daily minimum 169, Lowest daily minimum 40, Heaviest daily rainfall 155, Heaviest daily snowfall 1.

Records on 17 October 2017 by type
Record type	Records
Highest daily maximum	354
Lowest daily maximum	24
Highest daily minimum	169
Lowest daily minimum	40
Heaviest daily rainfall	155
Heaviest daily snowfall	1
Deepest snow cover	0

Records on 17 October 2017 by timescale: all-time 1, monthly 16, daily 726.

How Much Records Were Beaten By

657 broken records

Margins by which the 657 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 176.4. Ties are not counted.

Top 20 by Significance

17 October 2017

Top 20 records on 17 October 2017 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
17 October 2017	The Valley, AU	monthly rain	132.0 mm (5.2 in)	64.4 mm (2.5 in)	89 years	86 of 100 (Exceptional)
17 October 2017	Gin Gin Post Office, AU	daily rain	135.2 mm (5.3 in)	63.3 mm (2.5 in)	96 years	77 of 100 (Major)
17 October 2017	Rosedale Post Office, AU	monthly rain	270.0 mm (10.6 in)	86.4 mm (3.4 in)	56 years	76 of 100 (Major)
17 October 2017	Sandy Cape Lighthouse, AU	daily rain	108.4 mm (4.3 in)	61.7 mm (2.4 in)	84 years	75 of 100 (Major)
17 October 2017	Eumundi - Crescent Rd, AU	daily rain	168.4 mm (6.6 in)	60.4 mm (2.4 in)	96 years	74 of 100 (Major)
17 October 2017	Watalgan Winfield Rd, AU	daily rain	137.0 mm (5.4 in)	90.0 mm (3.5 in)	84 years	73 of 100 (Major)
17 October 2017	Cania Gorge Park, AU	monthly rain	119.4 mm (4.7 in)	55.9 mm (2.2 in)	56 years	73 of 100 (Major)
17 October 2017	Guayama 1SW, PR	daily rain	131.1 mm (5.2 in)	85.9 mm (3.4 in)	71 years	71 of 100 (Major)
17 October 2017	Maryborough, AU	daily rain	105.0 mm (4.1 in)	44.3 mm (1.7 in)	96 years	66 of 100 (Major)
17 October 2017	Spring Creek Station, AU	daily rain	58.8 mm (2.3 in)	52.7 mm (2.1 in)	48 years	64 of 100 (Major)
17 October 2017	Miara, AU	daily rain	135.0 mm (5.3 in)	87.8 mm (3.5 in)	58 years	64 of 100 (Major)
17 October 2017	Duckinwilla Creek, AU	daily rain	108.0 mm (4.3 in)	74.0 mm (2.9 in)	58 years	64 of 100 (Major)
17 October 2017	Boona-Choppa, AU	daily rain	107.0 mm (4.2 in)	67.9 mm (2.7 in)	44 years	62 of 100 (Major)
17 October 2017	Euleilah Creek, AU	monthly rain	159.4 mm (6.3 in)	31.6 mm (1.2 in)	84 years	62 of 100 (Major)
17 October 2017	Kolonga, AU	monthly rain	133.4 mm (5.3 in)	53.4 mm (2.1 in)	16 years	60 of 100 (Major)
17 October 2017	Aibonito 1 S, PR	daily rain	94.0 mm (3.7 in)	44.5 mm (1.8 in)	104 years	59 of 100 (Notable)
17 October 2017	Linguere, SN	daily rain	59.9 mm (2.4 in)	46.4 mm (1.8 in)	67 years	59 of 100 (Notable)
17 October 2017	Eidsvold Post Office, AU	daily rain	77.2 mm (3.0 in)	25.4 mm (1.0 in)	96 years	58 of 100 (Notable)
17 October 2017	Charnwood, AU	daily rain	206.2 mm (8.1 in)	176.4 mm (6.9 in)	36 years	58 of 100 (Notable)
17 October 2017	Malboona, AU	daily rain	28.0 mm (1.1 in)	25.5 mm (1.0 in)	96 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

1793 to 2017

Records set or tied on this calendar date in each year from 1793 to 2017. 2017 had 743 records.

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

Records on 10-17 in each year
Year	Records
1793	1
1796	2
1808	2
1810	1
1811	1
1817	1
1820	1
1830	1
1836	1
1844	1
1845	1
1868	1
1869	2
1870	1
1872	1
1874	1
1875	1
1876	3
1877	1
1878	1
1879	7
1881	1
1882	1
1883	1
1884	2
1885	2
1886	1
1889	1
1890	3
1891	2
1892	6
1893	5
1894	2
1895	1
1897	3
1898	6
1899	3
1900	3
1901	3
1902	4
1903	9
1904	17
1905	12
1906	3
1907	16
1908	46
1909	18
1910	13
1911	24
1912	12
1913	26
1914	72
1915	7
1916	81
1917	29
1918	20
1919	34
1920	82
1921	64
1922	60
1923	149
1924	81
1925	324
1926	153
1927	163
1928	530
1929	119
1930	441
1931	431
1932	345
1933	190
1934	262
1935	337
1936	338
1937	865
1938	710
1939	424
1940	580
1941	194
1942	349
1943	1,173
1944	415
1945	289
1946	437
1947	744
1948	724
1949	442
1950	809
1951	274
1952	474
1953	463
1954	579
1955	562
1956	353
1957	245
1958	415
1959	403
1960	432
1961	525
1962	350
1963	513
1964	492
1965	920
1966	551
1967	576
1968	929
1969	714
1970	815
1971	1,053
1972	866
1973	542
1974	1,055
1975	605
1976	1,381
1977	1,060
1978	583
1979	468
1980	1,366
1981	555
1982	575
1983	526
1984	1,551
1985	585
1986	354
1987	828
1988	827
1989	1,163
1990	1,109
1991	1,352
1992	1,384
1993	1,001
1994	1,306
1995	1,076
1996	987
1997	1,114
1998	1,455
1999	815
2000	461
2001	878
2002	992
2003	764
2004	935
2005	643
2006	1,506
2007	690
2008	467
2009	1,606
2010	625
2011	734
2012	550
2013	516
2014	530
2015	843
2016	1,559
2017	743
2018	1,163
2019	504
2020	889
2021	294
2022	964
2023	544
2024	994
2025	363

Download the Data

Data for records on 2017-10-17: 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 25	614
25 to 50	23
50 to 75	14
75 to 100	4
100 to 125	0
125 to 150	0
150 to 175	1
175 to 200	1