Weather Records on 12 October 1975

830 weather records were set or tied worldwide on 12 October 1975. Highest significance: Bologna, IT.

Key Facts for 12 October 1975

On 12 October 1975, 830 weather records were set or tied at long-record stations worldwide.
407 were record highs and 155 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 9 monthly and 821 daily.
Bologna set a daily record precipitation of 87.8 mm (3.5 in) on 12 October 1975.
Across 163 earlier years (1805 to 2026) the same calendar date averaged 450 records.

Record Map

830 stations

830 station records on 12 October 1975 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 12 October 1975: highest significance records shown on the map
Station	Country	Type	Value	Significance
Bologna	Italy	Record daily precipitation	87.8 mm (3.5 in)	80 of 100 (Exceptional)
Pesaro	Italy	Record daily precipitation	75.4 mm (3.0 in)	77 of 100 (Major)
Centennial Park	Australia	Record daily precipitation	107.0 mm (4.2 in)	56 of 100 (Notable)
Tarwin Lower (Riverside)	Australia	Record daily precipitation	26.2 mm (1.0 in)	46 of 100 (Notable)
Nashua 2 NNW	United States	Record daily precipitation	49.0 mm (1.9 in)	46 of 100 (Notable)
Vitoria da Conquista	Brazil	Record daily precipitation	43.2 mm (1.7 in)	45 of 100 (Notable)
Petersham 3 N	United States	Record daily precipitation	46.2 mm (1.8 in)	44 of 100 (Notable)
Newfane	United States	Record daily precipitation	36.8 mm (1.4 in)	43 of 100 (Notable)
Rochester	United States	Record daily precipitation	41.9 mm (1.6 in)	43 of 100 (Notable)
Brejolandia (Brejo Velho)	Brazil	Record daily precipitation	77.2 mm (3.0 in)	40 of 100 (Notable)
Taunton	United States	Record daily precipitation	48.3 mm (1.9 in)	40 of 100 (Notable)
Massabesic Lake	United States	Record daily precipitation	62.2 mm (2.4 in)	40 of 100 (Notable)
Jackman	United States	Record daily precipitation	25.7 mm (1.0 in)	38 of 100 (Notable)
Lakeport 2	United States	Record daily precipitation	40.6 mm (1.6 in)	38 of 100 (Notable)
Cavendish	United States	Record daily precipitation	40.4 mm (1.6 in)	38 of 100 (Notable)
Cotegipe	Brazil	Record daily precipitation	70.0 mm (2.8 in)	37 of 100 (Notable)
Kvikkjokk-Arrenjarka	Sweden	Record high minimum temperature	7.5 C (45.5 F)	37 of 100 (Notable)
Basel Binningen	Switzerland	Record low maximum temperature	4.1 C (39.4 F)	36 of 100 (Notable)
Holyoke	United States	Record daily precipitation	34.5 mm (1.4 in)	36 of 100 (Notable)
West Rumney	United States	Record daily precipitation	34.3 mm (1.4 in)	36 of 100 (Notable)
Burketown Post Office	Australia	Record high maximum temperature	39.5 C (103.1 F)	35 of 100 (Notable)
Garfield	Australia	Record daily precipitation	26.0 mm (1.0 in)	35 of 100 (Notable)
Minneapolis	United States	Record high maximum temperature	34.4 C (93.9 F)	35 of 100 (Notable)
Bradford	United States	Record daily precipitation	50.0 mm (2.0 in)	35 of 100 (Notable)
Chelsea	United States	Record daily precipitation	31.2 mm (1.2 in)	35 of 100 (Notable)
Anakie	Australia	Record daily precipitation	25.2 mm (1.0 in)	34 of 100 (Routine)
Logan 1 WNW	United States	Record high maximum temperature	33.9 C (93.0 F)	34 of 100 (Routine)
Hardwick	United States	Record daily precipitation	47.5 mm (1.9 in)	34 of 100 (Routine)
Crete 4ESE	United States	Record high minimum temperature	20.6 C (69.1 F)	34 of 100 (Routine)
Ponte Nova Do Paraopeba	Brazil	Record daily precipitation	66.3 mm (2.6 in)	33 of 100 (Routine)
Pte de Chassiron	France	Record low maximum temperature	7.4 C (45.3 F)	33 of 100 (Routine)
Zuerich/Fluntern	Switzerland	Record low maximum temperature	3.9 C (39.0 F)	33 of 100 (Routine)
Manhattan	United States	Record high minimum temperature	22.8 C (73.0 F)	33 of 100 (Routine)
Minneapolis	United States	Record high minimum temperature	20.0 C (68.0 F)	33 of 100 (Routine)
Beaver City	United States	Record high maximum temperature	35.6 C (96.1 F)	33 of 100 (Routine)
Grafton	United States	Record daily precipitation	32.8 mm (1.3 in)	33 of 100 (Routine)
Vasilevici	Belarus	Record low minimum temperature	-5.3 C (22.5 F)	32 of 100 (Routine)
Aachen	Germany	Record low minimum temperature	-1.5 C (29.3 F)	32 of 100 (Routine)
Auburn 2 SSE	United States	Record high maximum temperature	26.1 C (79.0 F)	32 of 100 (Routine)
Lawrence	United States	Record high maximum temperature	32.8 C (91.0 F)	32 of 100 (Routine)
Norton 9SSE	United States	Record high maximum temperature	35.6 C (96.1 F)	32 of 100 (Routine)
Ulysses 3NE	United States	Record high maximum temperature	35.6 C (96.1 F)	32 of 100 (Routine)
Amherst	United States	Record daily precipitation	29.7 mm (1.2 in)	32 of 100 (Routine)
Rockport 1 ESE	United States	Record daily precipitation	30.5 mm (1.2 in)	32 of 100 (Routine)
Fairmont	United States	Record high maximum temperature	33.9 C (93.0 F)	32 of 100 (Routine)
Genoa 2 W	United States	Record high maximum temperature	33.9 C (93.0 F)	32 of 100 (Routine)
Durham	United States	Record daily precipitation	35.6 mm (1.4 in)	32 of 100 (Routine)
Newport	United States	Record daily precipitation	34.3 mm (1.4 in)	32 of 100 (Routine)
Dwtn Charleston	United States	Record high maximum temperature	29.4 C (84.9 F)	32 of 100 (Routine)
Hartford Brainard Fld	United States	Record daily precipitation	43.2 mm (1.7 in)	32 of 100 (Routine)
Goodland	United States	Record high maximum temperature	34.4 C (93.9 F)	32 of 100 (Routine)
Tewantin Post Office	Australia	Record high minimum temperature	20.7 C (69.3 F)	31 of 100 (Routine)
Drobeta Turnu Severin	Romania	Record low maximum temperature	9.2 C (48.6 F)	31 of 100 (Routine)
Alton 1 W	United States	Record high maximum temperature	35.6 C (96.1 F)	31 of 100 (Routine)
Fall Rvr Lake	United States	Record high maximum temperature	33.9 C (93.0 F)	31 of 100 (Routine)
Hays 1 S	United States	Record high maximum temperature	35.0 C (95.0 F)	31 of 100 (Routine)
Norwich	United States	Record high maximum temperature	34.4 C (93.9 F)	31 of 100 (Routine)
Pratt 3NW	United States	Record high maximum temperature	33.3 C (91.9 F)	31 of 100 (Routine)
Sedan	United States	Record high maximum temperature	33.9 C (93.0 F)	31 of 100 (Routine)
Winfield 3NE	United States	Record high maximum temperature	32.8 C (91.0 F)	31 of 100 (Routine)

Counts by Type and Timescale

830 records

Records set or tied on 12 October 1975 by type: Highest daily maximum 301, Lowest daily maximum 105, Highest daily minimum 106, Lowest daily minimum 50, Heaviest daily rainfall 258, Heaviest daily snowfall 6, Deepest snow cover 4.

Records on 12 October 1975 by type
Record type	Records
Highest daily maximum	301
Lowest daily maximum	105
Highest daily minimum	106
Lowest daily minimum	50
Heaviest daily rainfall	258
Heaviest daily snowfall	6
Deepest snow cover	4

Records on 12 October 1975 by timescale: all-time 0, monthly 9, daily 821.

How Much Records Were Beaten By

685 broken records

Margins by which the 685 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 153.0. Ties are not counted.

Top 20 by Significance

12 October 1975

Top 20 records on 12 October 1975 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
12 October 1975	Bologna, IT	daily rain	87.8 mm (3.5 in)	51.3 mm (2.0 in)	122 years	80 of 100 (Exceptional)
12 October 1975	Pesaro, IT	daily rain	75.4 mm (3.0 in)	52.1 mm (2.1 in)	92 years	77 of 100 (Major)
12 October 1975	Centennial Park, AU	daily rain	107.0 mm (4.2 in)	74.5 mm (2.9 in)	32 years	56 of 100 (Notable)
12 October 1975	Tarwin Lower (Riverside), AU	daily rain	26.2 mm (1.0 in)	8.4 mm (0.33 in)	82 years	46 of 100 (Notable)
12 October 1975	Nashua 2 NNW, US	daily rain	49.0 mm (1.9 in)	20.8 mm (0.8 in)	72 years	46 of 100 (Notable)
12 October 1975	Vitoria da Conquista, BR	daily rain	43.2 mm (1.7 in)	43.2 mm (1.7 in)	40 years	45 of 100 (Notable)
12 October 1975	Petersham 3 N, US	daily rain	46.2 mm (1.8 in)	28.4 mm (1.1 in)	61 years	44 of 100 (Notable)
12 October 1975	Newfane, US	daily rain	36.8 mm (1.4 in)	33.0 mm (1.3 in)	40 years	43 of 100 (Notable)
12 October 1975	Rochester, US	daily rain	41.9 mm (1.6 in)	30.5 mm (1.2 in)	24 years	43 of 100 (Notable)
12 October 1975	Brejolandia (Brejo Velho), BR	daily rain	77.2 mm (3.0 in)	56.1 mm (2.2 in)	20 years	40 of 100 (Notable)
12 October 1975	Taunton, US	daily rain	48.3 mm (1.9 in)	17.3 mm (0.7 in)	76 years	40 of 100 (Notable)
12 October 1975	Massabesic Lake, US	daily rain	62.2 mm (2.4 in)	38.8 mm (1.5 in)	24 years	40 of 100 (Notable)
12 October 1975	Jackman, US	daily rain	25.7 mm (1.0 in)	6.1 mm (0.24 in)	77 years	38 of 100 (Notable)
12 October 1975	Lakeport 2, US	daily rain	40.6 mm (1.6 in)	32.0 mm (1.3 in)	24 years	38 of 100 (Notable)
12 October 1975	Cavendish, US	daily rain	40.4 mm (1.6 in)	13.5 mm (0.5 in)	69 years	38 of 100 (Notable)
12 October 1975	Cotegipe, BR	daily rain	70.0 mm (2.8 in)	41.6 mm (1.6 in)	34 years	37 of 100 (Notable)
12 October 1975	Kvikkjokk-Arrenjarka, SE	daily high min	7.5 C (45.5 F)	2.5 C (4.5 F)	83 years	37 of 100 (Notable)
12 October 1975	Basel Binningen, CH	daily low max	4.1 C (39.4 F)	4.3 C (7.7 F)	69 years	36 of 100 (Notable)
12 October 1975	Holyoke, US	daily rain	34.5 mm (1.4 in)	12.7 mm (0.5 in)	69 years	36 of 100 (Notable)
12 October 1975	West Rumney, US	daily rain	34.3 mm (1.4 in)	29.5 mm (1.2 in)	29 years	36 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

1805 to 1975

Records set or tied on this calendar date in each year from 1805 to 1975. 1975 had 830 records.

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

Records on 10-12 in each year
Year	Records
1805	2
1809	1
1810	1
1814	3
1822	1
1839	1
1841	1
1843	1
1850	1
1852	1
1854	1
1859	1
1860	2
1861	1
1867	1
1871	3
1873	2
1875	2
1876	5
1879	2
1881	2
1884	1
1885	2
1886	1
1887	2
1888	1
1889	1
1890	3
1891	1
1892	1
1893	2
1894	2
1895	2
1896	3
1897	3
1898	2
1899	3
1900	2
1901	6
1902	14
1903	16
1904	30
1905	13
1906	16
1907	10
1908	13
1909	30
1910	13
1911	10
1912	30
1913	33
1914	17
1915	34
1916	29
1917	53
1918	29
1919	53
1920	79
1921	102
1922	21
1923	200
1924	129
1925	107
1926	201
1927	195
1928	714
1929	165
1930	606
1931	283
1932	398
1933	155
1934	477
1935	209
1936	301
1937	185
1938	470
1939	198
1940	235
1941	226
1942	540
1943	418
1944	274
1945	321
1946	554
1947	358
1948	311
1949	725
1950	594
1951	391
1952	352
1953	252
1954	911
1955	383
1956	899
1957	473
1958	448
1959	501
1960	449
1961	436
1962	971
1963	459
1964	636
1965	157
1966	423
1967	623
1968	443
1969	1,828
1970	763
1971	382
1972	412
1973	673
1974	369
1975	830
1976	582
1977	832
1978	525
1979	898
1980	741
1981	1,201
1982	777
1983	992
1984	636
1985	872
1986	1,510
1987	1,530
1988	1,015
1989	543
1990	1,325
1991	948
1992	865
1993	1,145
1994	934
1995	1,238
1996	816
1997	1,851
1998	741
1999	641
2000	1,095
2001	1,194
2002	1,139
2003	1,043
2004	750
2005	872
2006	1,357
2007	566
2008	1,669
2009	2,300
2010	797
2011	906
2012	921
2013	558
2014	514
2015	964
2016	374
2017	1,068
2018	1,195
2019	1,321
2020	655
2021	1,294
2022	439
2023	904
2024	958
2025	624
2026	768

Download the Data

Data for records on 1975-10-12: 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	651
20 to 40	26
40 to 60	6
60 to 80	1
80 to 100	0
100 to 120	0
120 to 140	0
140 to 160	1