Weather Records on 17 October 2012

550 weather records were set or tied worldwide on 17 October 2012. Highest significance: Porthill, US.

Key Facts for 17 October 2012

On 17 October 2012, 550 weather records were set or tied at long-record stations worldwide.
290 were record highs and 90 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 17 monthly and 533 daily.
Porthill set a daily record precipitation of 27.7 mm (1.1 in) on 17 October 2012.
Across 162 earlier years (1793 to 2025) the same calendar date averaged 439 records.

Record Map

550 stations

550 station records on 17 October 2012 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 17 October 2012: highest significance records shown on the map
Station	Country	Type	Value	Significance
Porthill	United States	Record daily precipitation	27.7 mm (1.1 in)	71 of 100 (Major)
Zamora	Spain	Record daily precipitation	30.6 mm (1.2 in)	64 of 100 (Major)
Valladolid (Villanubla)	Spain	Record daily precipitation	44.7 mm (1.8 in)	60 of 100 (Major)
Slutsk	Belarus	Record daily precipitation	27.9 mm (1.1 in)	59 of 100 (Notable)
Yakutat AP	United States	Record daily snowfall	23.1 cm (9.1 in)	55 of 100 (Notable)
Santa Agueda	Mexico	Record daily precipitation	47.0 mm (1.9 in)	53 of 100 (Notable)
Ft Davis	United States	Record high minimum temperature	15.6 C (60.1 F)	46 of 100 (Notable)
Toropec	Russia	Record daily precipitation	28.9 mm (1.1 in)	45 of 100 (Notable)
Shepetivka	Ukraine	Record daily precipitation	29.0 mm (1.1 in)	44 of 100 (Notable)
Petropavlovsk-Kamchatskij	Russia	Record daily precipitation	52.6 mm (2.1 in)	42 of 100 (Notable)
Kursk	Russia	Record high maximum temperature	20.4 C (68.7 F)	42 of 100 (Notable)
Bogoroditskoye-Fenino	Russia	Record high maximum temperature	20.5 C (68.9 F)	42 of 100 (Notable)
Stormont Castle	United Kingdom	Record daily precipitation	40.4 mm (1.6 in)	42 of 100 (Notable)
Live Oak	United States	Record high minimum temperature	23.9 C (75.0 F)	42 of 100 (Notable)
Kon-Kolodez	Russia	Record high maximum temperature	21.1 C (70.0 F)	41 of 100 (Notable)
Salamanca Aeropuerto	Spain	Record daily precipitation	35.0 mm (1.4 in)	41 of 100 (Notable)
Dutch Harbor	United States	Record low maximum temperature	3.9 C (39.0 F)	39 of 100 (Notable)
El Triunfo	Mexico	Record daily precipitation	25.9 mm (1.0 in)	38 of 100 (Notable)
Voronez	Russia	Record high maximum temperature	19.7 C (67.5 F)	38 of 100 (Notable)
Corpus Christi	United States	Record high maximum temperature	38.3 C (100.9 F)	38 of 100 (Notable)
San Luis de la Paz	Mexico	Record high maximum temperature	32.8 C (91.0 F)	36 of 100 (Notable)
Valladolid	Spain	Record daily precipitation	27.8 mm (1.1 in)	36 of 100 (Notable)
Punta Prieta	Mexico	Record high minimum temperature	25.0 C (77.0 F)	35 of 100 (Notable)
Nikolaev	Ukraine	Record high maximum temperature	23.5 C (74.3 F)	35 of 100 (Notable)
Riverside Fire STN 3	United States	Record high minimum temperature	15.6 C (60.1 F)	35 of 100 (Notable)
Shenkursk	Russia	Record high minimum temperature	7.6 C (45.7 F)	34 of 100 (Routine)
Newport Beach Harbor	United States	Record high maximum temperature	30.0 C (86.0 F)	34 of 100 (Routine)
Red Bluff Muni AP	United States	Record high minimum temperature	18.9 C (66.0 F)	34 of 100 (Routine)
Acatitan	Mexico	Record low maximum temperature	28.3 C (82.9 F)	33 of 100 (Routine)
Siqueros	Mexico	Record low maximum temperature	28.3 C (82.9 F)	33 of 100 (Routine)
Teloloapan	Mexico	Record daily precipitation	41.7 mm (1.6 in)	32 of 100 (Routine)
Baterod	Norway	Record daily precipitation	51.0 mm (2.0 in)	32 of 100 (Routine)
Webster	United States	Record daily precipitation	41.9 mm (1.6 in)	32 of 100 (Routine)
San Miguel	Mexico	Record daily precipitation	64.8 mm (2.6 in)	31 of 100 (Routine)
Gotnja	Russia	Record high maximum temperature	20.6 C (69.1 F)	31 of 100 (Routine)
Haiwee	United States	Record high maximum temperature	33.9 C (93.0 F)	31 of 100 (Routine)
Rosario	Mexico	Record low maximum temperature	25.0 C (77.0 F)	29 of 100 (Routine)
Askaniia Nova	Ukraine	Record high maximum temperature	27.5 C (81.5 F)	29 of 100 (Routine)
Aasiaat (Egedesminde)	Greenland [Denmark]	Record high maximum temperature	10.0 C (50.0 F)	28 of 100 (Routine)
Sikasso	Mali	Record low minimum temperature	16.6 C (61.9 F)	28 of 100 (Routine)
Acaponeta	Mexico	Record low maximum temperature	25.6 C (78.1 F)	28 of 100 (Routine)
El Quemado	Mexico	Record low maximum temperature	27.8 C (82.0 F)	28 of 100 (Routine)
Kanin Nos	Russia	Record high maximum temperature	7.4 C (45.3 F)	28 of 100 (Routine)
Ostrov Sosnovez	Russia	Record high maximum temperature	8.6 C (47.5 F)	28 of 100 (Routine)
Orel	Russia	Record high minimum temperature	11.0 C (51.8 F)	28 of 100 (Routine)
Salamanca Obs.	Spain	Record daily precipitation	38.9 mm (1.5 in)	28 of 100 (Routine)
White Signal	United States	Record high minimum temperature	18.3 C (64.9 F)	28 of 100 (Routine)
Junction Kimble Co AP	United States	Record high maximum temperature	35.0 C (95.0 F)	28 of 100 (Routine)
Esashi	Japan	Record daily precipitation	37.1 mm (1.5 in)	27 of 100 (Routine)
Los Otates V	Mexico	Record low maximum temperature	26.7 C (80.1 F)	27 of 100 (Routine)
Ciano	Mexico	Record low maximum temperature	23.9 C (75.0 F)	27 of 100 (Routine)
Hillsborough	United Kingdom	Record daily precipitation	26.1 mm (1.0 in)	27 of 100 (Routine)
Kharkiv	Ukraine	Record high maximum temperature	22.4 C (72.3 F)	27 of 100 (Routine)
Fukaura	Japan	Record daily precipitation	40.9 mm (1.6 in)	26 of 100 (Routine)
Arellano	Mexico	Record high maximum temperature	30.6 C (87.1 F)	26 of 100 (Routine)
Rosamorada	Mexico	Record low maximum temperature	26.1 C (79.0 F)	26 of 100 (Routine)
Buzau	Romania	Record high minimum temperature	15.1 C (59.2 F)	26 of 100 (Routine)
Benavides #2	United States	Record high maximum temperature	38.3 C (100.9 F)	26 of 100 (Routine)
Van Horn	United States	Record high minimum temperature	16.1 C (61.0 F)	26 of 100 (Routine)
New Haven Tweed AP	United States	Record low minimum temperature	2.2 C (36.0 F)	26 of 100 (Routine)

Counts by Type and Timescale

550 records

Records set or tied on 17 October 2012 by type: Highest daily maximum 140, Lowest daily maximum 48, Highest daily minimum 150, Lowest daily minimum 42, Heaviest daily rainfall 161, Heaviest daily snowfall 5, Deepest snow cover 4.

Records on 17 October 2012 by type
Record type	Records
Highest daily maximum	140
Lowest daily maximum	48
Highest daily minimum	150
Lowest daily minimum	42
Heaviest daily rainfall	161
Heaviest daily snowfall	5
Deepest snow cover	4

Records on 17 October 2012 by timescale: all-time 0, monthly 17, daily 533.

How Much Records Were Beaten By

414 broken records

Margins by which the 414 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 180.0. Ties are not counted.

Top 20 by Significance

17 October 2012

Top 20 records on 17 October 2012 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
17 October 2012	Porthill, US	daily rain	27.7 mm (1.1 in)	15.0 mm (0.6 in)	118 years	71 of 100 (Major)
17 October 2012	Zamora, ES	daily rain	30.6 mm (1.2 in)	21.6 mm (0.9 in)	69 years	64 of 100 (Major)
17 October 2012	Valladolid (Villanubla), ES	daily rain	44.7 mm (1.8 in)	37.0 mm (1.5 in)	46 years	60 of 100 (Major)
17 October 2012	Slutsk, BY	daily rain	27.9 mm (1.1 in)	17.0 mm (0.7 in)	52 years	59 of 100 (Notable)
17 October 2012	Yakutat AP, US	daily snowfall	23.1 cm (9.1 in)	18.0 cm (7.1 in)	63 years	55 of 100 (Notable)
17 October 2012	Santa Agueda, MX	daily rain	47.0 mm (1.9 in)	47.0 mm (1.9 in)	36 years	53 of 100 (Notable)
17 October 2012	Ft Davis, US	daily high min	15.6 C (60.1 F)	2.8 C (5.0 F)	108 years	46 of 100 (Notable)
17 October 2012	Toropec, RU	daily rain	28.9 mm (1.1 in)	17.7 mm (0.7 in)	10 years	45 of 100 (Notable)
17 October 2012	Shepetivka, UA	daily rain	29.0 mm (1.1 in)	10.8 mm (0.4 in)	54 years	44 of 100 (Notable)
17 October 2012	Petropavlovsk-Kamchatskij, RU	daily rain	52.6 mm (2.1 in)	4.4 mm (0.17 in)	105 years	42 of 100 (Notable)
17 October 2012	Kursk, RU	daily high max	20.4 C (68.7 F)	2.6 C (4.7 F)	94 years	42 of 100 (Notable)
17 October 2012	Bogoroditskoye-Fenino, RU	daily high max	20.5 C (68.9 F)	1.5 C (2.7 F)	122 years	42 of 100 (Notable)
17 October 2012	Stormont Castle, GB	daily rain	40.4 mm (1.6 in)	19.2 mm (0.8 in)	36 years	42 of 100 (Notable)
17 October 2012	Live Oak, US	daily high min	23.9 C (75.0 F)	2.2 C (4.0 F)	94 years	42 of 100 (Notable)
17 October 2012	Kon-Kolodez, RU	daily high max	21.1 C (70.0 F)	1.8 C (3.2 F)	94 years	41 of 100 (Notable)
17 October 2012	Salamanca Aeropuerto, ES	daily rain	35.0 mm (1.4 in)	20.2 mm (0.8 in)	7 years	41 of 100 (Notable)
17 October 2012	Dutch Harbor, US	daily low max	3.9 C (39.0 F)	0.5 C (0.9 F)	97 years	39 of 100 (Notable)
17 October 2012	El Triunfo, MX	daily rain	25.9 mm (1.0 in)	25.9 mm (1.0 in)	51 years	38 of 100 (Notable)
17 October 2012	Voronez, RU	daily high max	19.7 C (67.5 F)	0.8 C (1.4 F)	94 years	38 of 100 (Notable)
17 October 2012	Corpus Christi, US	monthly high max	38.3 C (100.9 F)	1.6 C (2.9 F)	61 years	38 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 2012

Records set or tied on this calendar date in each year from 1793 to 2012. 2012 had 550 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 2012-10-17: 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 2026-10-14 (14 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Margin	Records
0 to 25	402
25 to 50	9
50 to 75	1
75 to 100	0
100 to 125	1
125 to 150	0
150 to 175	0
175 to 200	1