Weather Records on 17 October 1991

1,352 weather records were set or tied worldwide on 17 October 1991. Highest significance: Karasjok, NO.

Key Facts for 17 October 1991

On 17 October 1991, 1,352 weather records were set or tied at long-record stations worldwide.
811 were record highs and 288 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 23 monthly and 1,329 daily.
Karasjok set a monthly record daily precipitation of 31.6 mm (1.2 in) on 17 October 1991.
Across 162 earlier years (1793 to 2025) the same calendar date averaged 434 records.

Record Map

1,352 stations

1,352 station records on 17 October 1991 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 17 October 1991: highest significance records shown on the map
Station	Country	Type	Value	Significance
Karasjok	Norway	Record daily precipitation	31.6 mm (1.2 in)	79 of 100 (Major)
Mahaulepu 941.1	United States	Record daily precipitation	85.6 mm (3.4 in)	60 of 100 (Major)
Mana 1026	United States	Record daily precipitation	109.7 mm (4.3 in)	58 of 100 (Notable)
Kemoo Camp 8 855	United States	Record daily precipitation	120.7 mm (4.8 in)	56 of 100 (Notable)
Waiahole 837	United States	Record daily precipitation	210.8 mm (8.3 in)	56 of 100 (Notable)
Waiawa 943	United States	Record daily precipitation	69.1 mm (2.7 in)	56 of 100 (Notable)
Kanalohuluhulu 1075	United States	Record daily precipitation	134.6 mm (5.3 in)	53 of 100 (Notable)
Torsvag Fyr	Norway	Record daily precipitation	37.5 mm (1.5 in)	52 of 100 (Notable)
Kimberley	South Africa	Record daily precipitation	48.0 mm (1.9 in)	52 of 100 (Notable)
Kolo 1033	United States	Record daily precipitation	110.7 mm (4.4 in)	52 of 100 (Notable)
Kassala	Sudan	Record high maximum temperature	47.0 C (116.6 F)	50 of 100 (Notable)
Painter 2 W	United States	Record daily precipitation	104.1 mm (4.1 in)	47 of 100 (Notable)
Kekaha 944	United States	Record daily precipitation	78.2 mm (3.1 in)	46 of 100 (Notable)
Hopelchen	Mexico	Record low maximum temperature	21.7 C (71.1 F)	45 of 100 (Notable)
Kaneohe Mauka 781	United States	Record daily precipitation	92.7 mm (3.6 in)	45 of 100 (Notable)
Rudnaja Pristan	Russia	Record daily precipitation	62.4 mm (2.5 in)	43 of 100 (Notable)
Ewa Plantation 741	United States	Record daily precipitation	78.7 mm (3.1 in)	43 of 100 (Notable)
Jixi	China	Record daily precipitation	32.4 mm (1.3 in)	42 of 100 (Notable)
Preobrazhenie	Russia	Record daily precipitation	59.8 mm (2.4 in)	42 of 100 (Notable)
Tangier Island	United States	Record daily precipitation	67.6 mm (2.7 in)	42 of 100 (Notable)
Concordia ASOS	United States	Record high maximum temperature	32.2 C (90.0 F)	42 of 100 (Notable)
Louisburg	United States	Record low maximum temperature	13.9 C (57.0 F)	41 of 100 (Notable)
W Lawai 931	United States	Record daily precipitation	50.8 mm (2.0 in)	41 of 100 (Notable)
Owings Ferry Landing	United States	Record daily precipitation	70.4 mm (2.8 in)	40 of 100 (Notable)
Brydeswood STN 985	United States	Record daily precipitation	68.3 mm (2.7 in)	40 of 100 (Notable)
Norfolk NAS	United States	Record daily precipitation	51.6 mm (2.0 in)	40 of 100 (Notable)
Veines I Neiden	Norway	Record daily precipitation	26.0 mm (1.0 in)	39 of 100 (Notable)
Rangely 1E	United States	Record high maximum temperature	28.3 C (82.9 F)	39 of 100 (Notable)
Sugarloaf Rsvr	United States	Record high maximum temperature	19.4 C (66.9 F)	39 of 100 (Notable)
Atkinson 3SW	United States	Record high minimum temperature	15.6 C (60.1 F)	39 of 100 (Notable)
Superior	United States	Record high maximum temperature	32.8 C (91.0 F)	39 of 100 (Notable)
Kawaihapai 841	United States	Record daily precipitation	96.5 mm (3.8 in)	39 of 100 (Notable)
Campo Alegre	Brazil	Record daily precipitation	62.0 mm (2.4 in)	38 of 100 (Notable)
Aikawa	Japan	Record daily precipitation	37.1 mm (1.5 in)	38 of 100 (Notable)
Annapolis Police Brks	United States	Record daily precipitation	51.6 mm (2.0 in)	38 of 100 (Notable)
Baldwin	United States	Record low minimum temperature	-8.3 C (17.1 F)	38 of 100 (Notable)
Academy 2NE	United States	Record high maximum temperature	35.0 C (95.0 F)	38 of 100 (Notable)
Waipahu 750	United States	Record daily precipitation	104.1 mm (4.1 in)	38 of 100 (Notable)
San Lucas Ojitlan	Mexico	Record low minimum temperature	15.0 C (59.0 F)	37 of 100 (Notable)
Harnosand	Sweden	Record high minimum temperature	8.5 C (47.3 F)	37 of 100 (Notable)
Smith Ctr	United States	Record high maximum temperature	33.9 C (93.0 F)	37 of 100 (Notable)
Tuckerton 2 NE	United States	Record daily precipitation	46.7 mm (1.8 in)	37 of 100 (Notable)
Aneth Plt	United States	Record high maximum temperature	29.4 C (84.9 F)	37 of 100 (Notable)
Wahiawa 930	United States	Record daily precipitation	50.8 mm (2.0 in)	37 of 100 (Notable)
Ternej	Russia	Record daily precipitation	64.1 mm (2.5 in)	36 of 100 (Notable)
Holyoke	United States	Record high maximum temperature	32.2 C (90.0 F)	36 of 100 (Notable)
Watseka Public Works	United States	Record low minimum temperature	-3.3 C (26.1 F)	36 of 100 (Notable)
Hatch	United States	Record high maximum temperature	32.8 C (91.0 F)	36 of 100 (Notable)
Jackson	United States	Record daily precipitation	61.0 mm (2.4 in)	36 of 100 (Notable)
Warsaw 2 NW	United States	Record daily precipitation	58.9 mm (2.3 in)	36 of 100 (Notable)
Hukipo 945	United States	Record daily precipitation	91.2 mm (3.6 in)	36 of 100 (Notable)
Makaweli 965	United States	Record daily precipitation	30.5 mm (1.2 in)	36 of 100 (Notable)
Zacoalco de Torres	Mexico	Record daily precipitation	30.0 mm (1.2 in)	35 of 100 (Notable)
Bereznjaki	Russia	Record daily precipitation	49.0 mm (1.9 in)	35 of 100 (Notable)
Cambridge City 3 N	United States	Record low minimum temperature	-6.1 C (21.0 F)	35 of 100 (Notable)
Manhattan	United States	Record high maximum temperature	32.8 C (91.0 F)	35 of 100 (Notable)
Newport	United States	Record high maximum temperature	33.3 C (91.9 F)	35 of 100 (Notable)
Ashley	United States	Record high maximum temperature	31.1 C (88.0 F)	35 of 100 (Notable)
Hooker	United States	Record high maximum temperature	35.0 C (95.0 F)	35 of 100 (Notable)
Armour	United States	Record high maximum temperature	32.2 C (90.0 F)	35 of 100 (Notable)

Counts by Type and Timescale

1,352 records

Records set or tied on 17 October 1991 by type: Highest daily maximum 591, Lowest daily maximum 106, Highest daily minimum 220, Lowest daily minimum 182, Heaviest daily rainfall 243, Heaviest daily snowfall 3, Deepest snow cover 7.

Records on 17 October 1991 by type
Record type	Records
Highest daily maximum	591
Lowest daily maximum	106
Highest daily minimum	220
Lowest daily minimum	182
Heaviest daily rainfall	243
Heaviest daily snowfall	3
Deepest snow cover	7

Records on 17 October 1991 by timescale: all-time 0, monthly 23, daily 1,329.

How Much Records Were Beaten By

1,035 broken records

Margins by which the 1,035 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 145.5. Ties are not counted.

Top 20 by Significance

17 October 1991

Top 20 records on 17 October 1991 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
17 October 1991	Karasjok, NO	monthly rain	31.6 mm (1.2 in)	9.6 mm (0.38 in)	87 years	79 of 100 (Major)
17 October 1991	Mahaulepu 941.1, US	daily rain	85.6 mm (3.4 in)	71.6 mm (2.8 in)	41 years	60 of 100 (Major)
17 October 1991	Mana 1026, US	daily rain	109.7 mm (4.3 in)	73.6 mm (2.9 in)	36 years	58 of 100 (Notable)
17 October 1991	Kemoo Camp 8 855, US	daily rain	120.7 mm (4.8 in)	74.5 mm (2.9 in)	38 years	56 of 100 (Notable)
17 October 1991	Waiahole 837, US	daily rain	210.8 mm (8.3 in)	145.5 mm (5.7 in)	38 years	56 of 100 (Notable)
17 October 1991	Waiawa 943, US	daily rain	69.1 mm (2.7 in)	48.5 mm (1.9 in)	36 years	56 of 100 (Notable)
17 October 1991	Kanalohuluhulu 1075, US	daily rain	134.6 mm (5.3 in)	111.5 mm (4.4 in)	24 years	53 of 100 (Notable)
17 October 1991	Torsvag Fyr, NO	daily rain	37.5 mm (1.5 in)	19.2 mm (0.8 in)	36 years	52 of 100 (Notable)
17 October 1991	Kimberley, ZA	daily rain	48.0 mm (1.9 in)	30.0 mm (1.2 in)	49 years	52 of 100 (Notable)
17 October 1991	Kolo 1033, US	daily rain	110.7 mm (4.4 in)	87.6 mm (3.4 in)	24 years	52 of 100 (Notable)
17 October 1991	Kassala, SD	monthly high max	47.0 C (116.6 F)	4.5 C (8.1 F)	28 years	50 of 100 (Notable)
17 October 1991	Painter 2 W, US	daily rain	104.1 mm (4.1 in)	85.6 mm (3.4 in)	14 years	47 of 100 (Notable)
17 October 1991	Kekaha 944, US	daily rain	78.2 mm (3.1 in)	46.7 mm (1.8 in)	36 years	46 of 100 (Notable)
17 October 1991	Hopelchen, MX	daily low max	21.7 C (71.1 F)	7.2 C (13.0 F)	36 years	45 of 100 (Notable)
17 October 1991	Kaneohe Mauka 781, US	daily rain	92.7 mm (3.6 in)	50.8 mm (2.0 in)	38 years	45 of 100 (Notable)
17 October 1991	Rudnaja Pristan, RU	daily rain	62.4 mm (2.5 in)	38.1 mm (1.5 in)	49 years	43 of 100 (Notable)
17 October 1991	Ewa Plantation 741, US	daily rain	78.7 mm (3.1 in)	42.6 mm (1.7 in)	38 years	43 of 100 (Notable)
17 October 1991	Jixi, CN	daily rain	32.4 mm (1.3 in)	18.8 mm (0.7 in)	24 years	42 of 100 (Notable)
17 October 1991	Preobrazhenie, RU	daily rain	59.8 mm (2.4 in)	36.8 mm (1.4 in)	26 years	42 of 100 (Notable)
17 October 1991	Tangier Island, US	daily rain	67.6 mm (2.7 in)	53.6 mm (2.1 in)	14 years	42 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 1991

Records set or tied on this calendar date in each year from 1793 to 1991. 1991 had 1,352 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 1991-10-17: 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	981
20 to 40	32
40 to 60	13
60 to 80	5
80 to 100	2
100 to 120	1
120 to 140	0
140 to 160	1