Weather Records on 17 October 1975

605 weather records were set or tied worldwide on 17 October 1975. Highest significance: Edmonton 3 W, US.

Key Facts for 17 October 1975

On 17 October 1975, 605 weather records were set or tied at long-record stations worldwide.
99 were record highs and 57 were record lows, counting maximum and minimum temperature.
By timescale, 3 were all-time records, 39 monthly and 563 daily.
Edmonton 3 W set a daily record precipitation of 61.0 mm (2.4 in) on 17 October 1975.
Across 162 earlier years (1793 to 2025) the same calendar date averaged 438 records.

Record Map

605 stations

605 station records on 17 October 1975 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 17 October 1975: highest significance records shown on the map
Station	Country	Type	Value	Significance
Edmonton 3 W	United States	Record daily precipitation	61.0 mm (2.4 in)	66 of 100 (Major)
Murfreesboro 5 N	United States	Record daily precipitation	114.3 mm (4.5 in)	64 of 100 (Major)
Mantova	Italy	Record daily precipitation	44.0 mm (1.7 in)	61 of 100 (Major)
Waverly	United States	Record daily precipitation	63.5 mm (2.5 in)	61 of 100 (Major)
Marbling	Australia	Record daily precipitation	89.0 mm (3.5 in)	56 of 100 (Notable)
Mammoth Cave	United States	Record daily precipitation	80.5 mm (3.2 in)	56 of 100 (Notable)
White Oak 2 N	United States	Record daily precipitation	169.4 mm (6.7 in)	56 of 100 (Notable)
Athens 5 NW	United States	Record daily precipitation	70.4 mm (2.8 in)	56 of 100 (Notable)
Fayette	United States	Record daily precipitation	95.3 mm (3.8 in)	55 of 100 (Notable)
Ashwood	United States	Record daily precipitation	81.3 mm (3.2 in)	55 of 100 (Notable)
Shuqualak	United States	Record daily precipitation	135.6 mm (5.3 in)	54 of 100 (Notable)
Gholson 8 W	United States	Record daily precipitation	128.5 mm (5.1 in)	53 of 100 (Notable)
Newton	United States	Record daily precipitation	92.7 mm (3.6 in)	52 of 100 (Notable)
Glasgow	United States	Record daily precipitation	92.7 mm (3.6 in)	51 of 100 (Notable)
Lewisburg Exp STN	United States	Record daily precipitation	138.2 mm (5.4 in)	51 of 100 (Notable)
Winfield 2 SW	United States	Record daily precipitation	123.2 mm (4.9 in)	50 of 100 (Notable)
Canton 4N	United States	Record daily precipitation	135.9 mm (5.4 in)	50 of 100 (Notable)
Crawford 5 W	United States	Record daily precipitation	160.0 mm (6.3 in)	50 of 100 (Notable)
Vaiden 1 SSW	United States	Record daily precipitation	112.8 mm (4.4 in)	50 of 100 (Notable)
Highland Home	United States	Record daily precipitation	74.9 mm (2.9 in)	49 of 100 (Notable)
Louisville	United States	Record daily precipitation	160.5 mm (6.3 in)	49 of 100 (Notable)
Carbon Hill 4SE	United States	Record daily precipitation	116.6 mm (4.6 in)	48 of 100 (Notable)
Clayton	United States	Record daily precipitation	107.4 mm (4.2 in)	48 of 100 (Notable)
Reform	United States	Record daily precipitation	104.6 mm (4.1 in)	48 of 100 (Notable)
De Funiak Springs 1 E	United States	Record daily precipitation	62.2 mm (2.4 in)	48 of 100 (Notable)
Niceville	United States	Record daily precipitation	145.5 mm (5.7 in)	48 of 100 (Notable)
Bowling Green Warren Co AP	United States	Record daily precipitation	78.2 mm (3.1 in)	48 of 100 (Notable)
Lexington Bluegrass AP	United States	Record daily precipitation	61.2 mm (2.4 in)	48 of 100 (Notable)
Liberty	United States	Record daily precipitation	50.5 mm (2.0 in)	46 of 100 (Notable)
Waynesboro	United States	Record daily precipitation	80.3 mm (3.2 in)	46 of 100 (Notable)
Biddenham	Australia	Record daily precipitation	32.0 mm (1.3 in)	45 of 100 (Notable)
Chilliwack	Canada	Record daily precipitation	69.3 mm (2.7 in)	45 of 100 (Notable)
Gorgas 2 ENE	United States	Record daily precipitation	83.6 mm (3.3 in)	45 of 100 (Notable)
Franklin	United States	Record daily precipitation	72.6 mm (2.9 in)	45 of 100 (Notable)
Monticello	United States	Record daily precipitation	81.5 mm (3.2 in)	45 of 100 (Notable)
Fayetteville Wtp	United States	Record daily precipitation	127.5 mm (5.0 in)	45 of 100 (Notable)
Brantley	United States	Record daily precipitation	89.4 mm (3.5 in)	44 of 100 (Notable)
Mc Minnville	United States	Record daily precipitation	73.7 mm (2.9 in)	44 of 100 (Notable)
Monteagle	United States	Record daily precipitation	99.3 mm (3.9 in)	44 of 100 (Notable)
Astolfo Dutra	Brazil	Record daily precipitation	68.0 mm (2.7 in)	43 of 100 (Notable)
Lanquedoc	South Africa	Record daily precipitation	37.7 mm (1.5 in)	43 of 100 (Notable)
Zuerich/Fluntern	Switzerland	Record daily precipitation	29.5 mm (1.2 in)	43 of 100 (Notable)
Diablo Dam	United States	Record daily precipitation	68.8 mm (2.7 in)	43 of 100 (Notable)
Woodfort	South Africa	Record daily precipitation	58.0 mm (2.3 in)	42 of 100 (Notable)
Evergreen	United States	Record daily precipitation	53.3 mm (2.1 in)	42 of 100 (Notable)
State UNIV	United States	Record daily precipitation	104.9 mm (4.1 in)	42 of 100 (Notable)
Palmetto	United States	Record daily precipitation	106.7 mm (4.2 in)	42 of 100 (Notable)
Cincinnati Abbe Wsmo	United States	Record daily precipitation	53.1 mm (2.1 in)	42 of 100 (Notable)
Clanton	United States	Record daily precipitation	41.9 mm (1.6 in)	41 of 100 (Notable)
Cordova 2 ENE	United States	Record daily precipitation	85.1 mm (3.4 in)	41 of 100 (Notable)
Elba	United States	Record daily precipitation	132.1 mm (5.2 in)	41 of 100 (Notable)
Hodges	United States	Record daily precipitation	102.9 mm (4.1 in)	41 of 100 (Notable)
Wallace 2 E	United States	Record daily precipitation	71.1 mm (2.8 in)	41 of 100 (Notable)
Danville	United States	Record daily precipitation	32.0 mm (1.3 in)	41 of 100 (Notable)
Belzoni	United States	Record daily precipitation	61.0 mm (2.4 in)	41 of 100 (Notable)
Columbus 4 ESE	United States	Record daily precipitation	114.8 mm (4.5 in)	41 of 100 (Notable)
Mize 3SW	United States	Record daily precipitation	101.6 mm (4.0 in)	41 of 100 (Notable)
Rainbow Lake	United States	Record daily precipitation	124.5 mm (4.9 in)	41 of 100 (Notable)
Tallahassee	United States	Record daily precipitation	81.5 mm (3.2 in)	41 of 100 (Notable)
Livingston	United States	Record daily precipitation	58.2 mm (2.3 in)	40 of 100 (Notable)

Counts by Type and Timescale

605 records

Records set or tied on 17 October 1975 by type: Highest daily maximum 24, Lowest daily maximum 25, Highest daily minimum 75, Lowest daily minimum 32, Heaviest daily rainfall 446, Heaviest daily snowfall 2, Deepest snow cover 1.

Records on 17 October 1975 by type
Record type	Records
Highest daily maximum	24
Lowest daily maximum	25
Highest daily minimum	75
Lowest daily minimum	32
Heaviest daily rainfall	446
Heaviest daily snowfall	2
Deepest snow cover	1

Records on 17 October 1975 by timescale: all-time 3, monthly 39, daily 563.

How Much Records Were Beaten By

529 broken records

Margins by which the 529 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 109.9. Ties are not counted.

Top 20 by Significance

17 October 1975

Top 20 records on 17 October 1975 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
17 October 1975	Edmonton 3 W, US	daily rain	61.0 mm (2.4 in)	37.9 mm (1.5 in)	76 years	66 of 100 (Major)
17 October 1975	Murfreesboro 5 N, US	monthly rain	114.3 mm (4.5 in)	47.5 mm (1.9 in)	21 years	64 of 100 (Major)
17 October 1975	Mantova, IT	daily rain	44.0 mm (1.7 in)	20.0 mm (0.8 in)	121 years	61 of 100 (Major)
17 October 1975	Waverly, US	daily rain	63.5 mm (2.5 in)	30.7 mm (1.2 in)	64 years	61 of 100 (Major)
17 October 1975	Marbling, AU	monthly rain	89.0 mm (3.5 in)	51.2 mm (2.0 in)	10 years	56 of 100 (Notable)
17 October 1975	Mammoth Cave, US	daily rain	80.5 mm (3.2 in)	51.0 mm (2.0 in)	40 years	56 of 100 (Notable)
17 October 1975	White Oak 2 N, US	monthly rain	169.4 mm (6.7 in)	64.5 mm (2.5 in)	11 years	56 of 100 (Notable)
17 October 1975	Athens 5 NW, US	daily rain	70.4 mm (2.8 in)	39.9 mm (1.6 in)	26 years	56 of 100 (Notable)
17 October 1975	Fayette, US	daily rain	95.3 mm (3.8 in)	54.7 mm (2.2 in)	46 years	55 of 100 (Notable)
17 October 1975	Ashwood, US	daily rain	81.3 mm (3.2 in)	35.6 mm (1.4 in)	75 years	55 of 100 (Notable)
17 October 1975	Shuqualak, US	monthly rain	135.6 mm (5.3 in)	68.3 mm (2.7 in)	4 years	54 of 100 (Notable)
17 October 1975	Gholson 8 W, US	monthly rain	128.5 mm (5.1 in)	54.6 mm (2.1 in)	16 years	53 of 100 (Notable)
17 October 1975	Newton, US	daily rain	92.7 mm (3.6 in)	49.0 mm (1.9 in)	76 years	52 of 100 (Notable)
17 October 1975	Glasgow, US	monthly rain	92.7 mm (3.6 in)	33.8 mm (1.3 in)	16 years	51 of 100 (Notable)
17 October 1975	Lewisburg Exp STN, US	monthly rain	138.2 mm (5.4 in)	30.2 mm (1.2 in)	43 years	51 of 100 (Notable)
17 October 1975	Winfield 2 SW, US	monthly rain	123.2 mm (4.9 in)	30.5 mm (1.2 in)	50 years	50 of 100 (Notable)
17 October 1975	Canton 4N, US	daily rain	135.9 mm (5.4 in)	105.7 mm (4.2 in)	8 years	50 of 100 (Notable)
17 October 1975	Crawford 5 W, US	all-time rain	160.0 mm (6.3 in)	30.5 mm (1.2 in)	25 years	50 of 100 (Notable)
17 October 1975	Vaiden 1 SSW, US	daily rain	112.8 mm (4.4 in)	75.7 mm (3.0 in)	8 years	50 of 100 (Notable)
17 October 1975	Highland Home, US	daily rain	74.9 mm (2.9 in)	44.4 mm (1.7 in)	52 years	49 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 1975

Records set or tied on this calendar date in each year from 1793 to 1975. 1975 had 605 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 1975-10-17: 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 20	385
20 to 40	102
40 to 60	31
60 to 80	8
80 to 100	1
100 to 120	2