Weather Records on 30 October 2017

783 weather records were set or tied worldwide on 30 October 2017. Highest significance: Skaneateles, US.

Key Facts for 30 October 2017

On 30 October 2017, 783 weather records were set or tied at long-record stations worldwide.
231 were record highs and 266 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 56 monthly and 727 daily.
Skaneateles set a daily record precipitation of 69.3 mm (2.7 in) on 30 October 2017.
Across 153 earlier years (1799 to 2025) the same calendar date averaged 488 records.

Record Map

783 stations

783 station records on 30 October 2017 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 October 2017: highest significance records shown on the map
Station	Country	Type	Value	Significance
Skaneateles	United States	Record daily precipitation	69.3 mm (2.7 in)	80 of 100 (Exceptional)
Ithaca Cornell UNIV	United States	Record daily precipitation	81.0 mm (3.2 in)	79 of 100 (Major)
Hooker 12 NNW	United States	Record daily precipitation	75.7 mm (3.0 in)	74 of 100 (Major)
Sodus 1W	United States	Record daily precipitation	70.4 mm (2.8 in)	67 of 100 (Major)
Watertown	United States	Record daily precipitation	100.1 mm (3.9 in)	66 of 100 (Major)
Canton 4 SE	United States	Record daily precipitation	68.6 mm (2.7 in)	66 of 100 (Major)
Watertown AP	United States	Record daily precipitation	53.3 mm (2.1 in)	64 of 100 (Major)
Liberty 1 NE	United States	Record daily precipitation	103.4 mm (4.1 in)	63 of 100 (Major)
Boonville 4 SSW	United States	Record daily precipitation	70.6 mm (2.8 in)	62 of 100 (Major)
Greene	United States	Record daily precipitation	54.1 mm (2.1 in)	62 of 100 (Major)
Oswego	United States	Record daily precipitation	74.4 mm (2.9 in)	62 of 100 (Major)
Gouverneur 3 NW	United States	Record daily precipitation	68.1 mm (2.7 in)	61 of 100 (Major)
Auburn	United States	Record daily precipitation	77.0 mm (3.0 in)	60 of 100 (Major)
Camden	United States	Record daily precipitation	73.9 mm (2.9 in)	60 of 100 (Major)
Theresa 4NW	United States	Record daily precipitation	88.9 mm (3.5 in)	60 of 100 (Major)
Towanda 1 S	United States	Record daily precipitation	70.1 mm (2.8 in)	60 of 100 (Major)
Delhi 2 SE	United States	Record daily precipitation	79.8 mm (3.1 in)	59 of 100 (Notable)
Northbridge 2	United States	Record daily precipitation	123.7 mm (4.9 in)	58 of 100 (Notable)
Woonsocket	United States	Record daily precipitation	114.8 mm (4.5 in)	57 of 100 (Notable)
Ansonia 1 NW	United States	Record daily precipitation	126.7 mm (5.0 in)	56 of 100 (Notable)
Cartersville	United States	Record low maximum temperature	5.6 C (42.1 F)	56 of 100 (Notable)
Riverhead Rsch Farm	United States	Record daily precipitation	82.3 mm (3.2 in)	56 of 100 (Notable)
Kingston	United States	Record daily precipitation	87.4 mm (3.4 in)	56 of 100 (Notable)
Woodstock	United States	Record daily precipitation	63.5 mm (2.5 in)	55 of 100 (Notable)
Susquehanna	United States	Record daily precipitation	60.7 mm (2.4 in)	54 of 100 (Notable)
Toamasina	Madagascar	Record daily precipitation	105.4 mm (4.1 in)	53 of 100 (Notable)
Ostas I Hegra	Norway	Record daily precipitation	33.4 mm (1.3 in)	53 of 100 (Notable)
Colton 2 N	United States	Record daily precipitation	45.0 mm (1.8 in)	53 of 100 (Notable)
Highmarket 2W	United States	Record daily precipitation	61.0 mm (2.4 in)	53 of 100 (Notable)
Lowville	United States	Record daily precipitation	69.9 mm (2.8 in)	53 of 100 (Notable)
Kluhorskij Pereval	Georgia	Record daily precipitation	150.0 mm (5.9 in)	52 of 100 (Notable)
Norfolk 2 SW	United States	Record daily precipitation	124.5 mm (4.9 in)	52 of 100 (Notable)
N Creek 5 SE	United States	Record daily precipitation	55.9 mm (2.2 in)	52 of 100 (Notable)
Trenton Falls	United States	Record daily precipitation	88.4 mm (3.5 in)	52 of 100 (Notable)
Zheleznodorozhnyj	Belarus	Record daily precipitation	41.3 mm (1.6 in)	51 of 100 (Notable)
Crossville Ed & Rsch STN	United States	Record low maximum temperature	1.1 C (34.0 F)	51 of 100 (Notable)
Bridgehampton	United States	Record daily precipitation	73.9 mm (2.9 in)	50 of 100 (Notable)
Elizabethtown	United States	Record daily precipitation	58.9 mm (2.3 in)	49 of 100 (Notable)
Talbotton	United States	Record low maximum temperature	8.3 C (46.9 F)	48 of 100 (Notable)
Corning	United States	Record daily precipitation	57.7 mm (2.3 in)	48 of 100 (Notable)
Freeville 1 NE	United States	Record daily precipitation	82.3 mm (3.2 in)	48 of 100 (Notable)
N Foster 1 E	United States	Record daily precipitation	81.3 mm (3.2 in)	48 of 100 (Notable)
Mt Carmel	United States	Record daily precipitation	94.5 mm (3.7 in)	47 of 100 (Notable)
Putnam Lake	United States	Record daily precipitation	98.3 mm (3.9 in)	47 of 100 (Notable)
Emmons	United States	Record daily precipitation	68.6 mm (2.7 in)	47 of 100 (Notable)
Kukuiula 935	United States	Record daily precipitation	33.0 mm (1.3 in)	46 of 100 (Notable)
Asahikawa	Japan	Record daily precipitation	37.6 mm (1.5 in)	45 of 100 (Notable)
Hawkinsville	United States	Record low maximum temperature	10.0 C (50.0 F)	45 of 100 (Notable)
Pulaski	United States	Record daily precipitation	75.7 mm (3.0 in)	45 of 100 (Notable)
Sherburne	United States	Record daily precipitation	66.5 mm (2.6 in)	45 of 100 (Notable)
Bakersville	United States	Record daily precipitation	142.7 mm (5.6 in)	44 of 100 (Notable)
Burlington	United States	Record daily precipitation	124.5 mm (4.9 in)	44 of 100 (Notable)
Hyannis	United States	Record high minimum temperature	15.0 C (59.0 F)	43 of 100 (Notable)
Dannemora	United States	Record daily precipitation	30.5 mm (1.2 in)	43 of 100 (Notable)
Keene	United States	Record daily precipitation	48.5 mm (1.9 in)	42 of 100 (Notable)
Milanville	United States	Record daily precipitation	55.1 mm (2.2 in)	42 of 100 (Notable)
Monterey	United States	Record low maximum temperature	1.1 C (34.0 F)	42 of 100 (Notable)
Republic	United States	Record high maximum temperature	17.2 C (63.0 F)	42 of 100 (Notable)
Cape Sorell	Australia	Record daily precipitation	27.4 mm (1.1 in)	41 of 100 (Notable)
Evergreen	United States	Record low maximum temperature	13.3 C (55.9 F)	41 of 100 (Notable)

Counts by Type and Timescale

783 records

Records set or tied on 30 October 2017 by type: Highest daily maximum 118, Lowest daily maximum 166, Highest daily minimum 113, Lowest daily minimum 100, Heaviest daily rainfall 269, Heaviest daily snowfall 9, Deepest snow cover 8.

Records on 30 October 2017 by type
Record type	Records
Highest daily maximum	118
Lowest daily maximum	166
Highest daily minimum	113
Lowest daily minimum	100
Heaviest daily rainfall	269
Heaviest daily snowfall	9
Deepest snow cover	8

Records on 30 October 2017 by timescale: all-time 0, monthly 56, daily 727.

How Much Records Were Beaten By

648 broken records

Margins by which the 648 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 103.6. Ties are not counted.

Top 20 by Significance

30 October 2017

Top 20 records on 30 October 2017 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 October 2017	Skaneateles, US	daily rain	69.3 mm (2.7 in)	48.5 mm (1.9 in)	100 years	80 of 100 (Exceptional)
30 October 2017	Ithaca Cornell UNIV, US	daily rain	81.0 mm (3.2 in)	49.2 mm (1.9 in)	99 years	79 of 100 (Major)
30 October 2017	Hooker 12 NNW, US	daily rain	75.7 mm (3.0 in)	55.4 mm (2.2 in)	80 years	74 of 100 (Major)
30 October 2017	Sodus 1W, US	daily rain	70.4 mm (2.8 in)	46.0 mm (1.8 in)	62 years	67 of 100 (Major)
30 October 2017	Watertown, US	monthly rain	100.1 mm (3.9 in)	17.0 mm (0.7 in)	94 years	66 of 100 (Major)
30 October 2017	Canton 4 SE, US	daily rain	68.6 mm (2.7 in)	50.6 mm (2.0 in)	56 years	66 of 100 (Major)
30 October 2017	Watertown AP, US	daily rain	53.3 mm (2.1 in)	38.1 mm (1.5 in)	62 years	64 of 100 (Major)
30 October 2017	Liberty 1 NE, US	daily rain	103.4 mm (4.1 in)	46.2 mm (1.8 in)	62 years	63 of 100 (Major)
30 October 2017	Boonville 4 SSW, US	daily rain	70.6 mm (2.8 in)	53.3 mm (2.1 in)	56 years	62 of 100 (Major)
30 October 2017	Greene, US	daily rain	54.1 mm (2.1 in)	32.8 mm (1.3 in)	70 years	62 of 100 (Major)
30 October 2017	Oswego, US	daily rain	74.4 mm (2.9 in)	50.5 mm (2.0 in)	44 years	62 of 100 (Major)
30 October 2017	Gouverneur 3 NW, US	daily rain	68.1 mm (2.7 in)	34.8 mm (1.4 in)	56 years	61 of 100 (Major)
30 October 2017	Auburn, US	daily rain	77.0 mm (3.0 in)	30.0 mm (1.2 in)	62 years	60 of 100 (Major)
30 October 2017	Camden, US	daily rain	73.9 mm (2.9 in)	53.3 mm (2.1 in)	44 years	60 of 100 (Major)
30 October 2017	Theresa 4NW, US	monthly rain	88.9 mm (3.5 in)	26.9 mm (1.1 in)	45 years	60 of 100 (Major)
30 October 2017	Towanda 1 S, US	daily rain	70.1 mm (2.8 in)	41.4 mm (1.6 in)	44 years	60 of 100 (Major)
30 October 2017	Delhi 2 SE, US	daily rain	79.8 mm (3.1 in)	31.8 mm (1.3 in)	82 years	59 of 100 (Notable)
30 October 2017	Northbridge 2, US	daily rain	123.7 mm (4.9 in)	66.8 mm (2.6 in)	44 years	58 of 100 (Notable)
30 October 2017	Woonsocket, US	daily rain	114.8 mm (4.5 in)	64.3 mm (2.5 in)	44 years	57 of 100 (Notable)
30 October 2017	Ansonia 1 NW, US	daily rain	126.7 mm (5.0 in)	68.0 mm (2.7 in)	44 years	56 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

1799 to 2017

Records set or tied on this calendar date in each year from 1799 to 2017. 2017 had 783 records.

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

Records on 10-30 in each year
Year	Records
1799	1
1815	1
1837	1
1839	1
1841	1
1849	1
1856	1
1866	1
1867	1
1869	5
1870	1
1871	1
1873	2
1877	1
1881	4
1885	3
1886	2
1887	1
1888	1
1889	3
1890	4
1891	2
1892	3
1894	7
1896	4
1897	2
1898	2
1899	2
1900	3
1901	9
1902	6
1903	3
1904	1
1905	12
1906	25
1907	12
1908	14
1909	15
1910	22
1911	19
1912	28
1913	38
1914	22
1915	39
1916	23
1917	85
1918	189
1919	80
1920	73
1921	31
1922	108
1923	202
1924	246
1925	755
1926	131
1927	259
1928	195
1929	277
1930	228
1931	144
1932	181
1933	454
1934	198
1935	739
1936	253
1937	496
1938	245
1939	240
1940	251
1941	393
1942	877
1943	255
1944	497
1945	446
1946	826
1947	252
1948	326
1949	528
1950	1,186
1951	373
1952	635
1953	522
1954	276
1955	494
1956	716
1957	531
1958	366
1959	859
1960	258
1961	781
1962	382
1963	353
1964	488
1965	439
1966	490
1967	665
1968	555
1969	656
1970	636
1971	1,663
1972	902
1973	534
1974	1,039
1975	427
1976	760
1977	882
1978	359
1979	809
1980	885
1981	547
1982	534
1983	549
1984	1,270
1985	848
1986	422
1987	883
1988	972
1989	904
1990	685
1991	2,772
1992	1,228
1993	2,095
1994	777
1995	831
1996	1,299
1997	1,033
1998	771
1999	897
2000	1,659
2001	1,233
2002	1,564
2003	973
2004	1,188
2005	1,144
2006	886
2007	773
2008	1,310
2009	1,513
2010	619
2011	1,022
2012	1,413
2013	622
2014	297
2015	395
2016	981
2017	783
2018	507
2019	1,931
2020	683
2021	486
2022	762
2023	969
2024	1,393
2025	322

Download the Data

Data for records on 2017-10-30: 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 2026-10-16 (16 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	565
20 to 40	52
40 to 60	22
60 to 80	6
80 to 100	2
100 to 120	1