Weather Records on 12 October 1978

525 weather records were set or tied worldwide on 12 October 1978. Highest significance: Cincinnati/Northern Kentucky I, US.

Key Facts for 12 October 1978

On 12 October 1978, 525 weather records were set or tied at long-record stations worldwide.
324 were record highs and 71 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 12 monthly and 513 daily.
Cincinnati/Northern Kentucky I set a daily record precipitation of 49.5 mm (1.9 in) on 12 October 1978.
Across 163 earlier years (1805 to 2026) the same calendar date averaged 452 records.

Record Map

525 stations

525 station records on 12 October 1978 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 12 October 1978: highest significance records shown on the map
Station	Country	Type	Value	Significance
Cincinnati/Northern Kentucky I	United States	Record daily precipitation	49.5 mm (1.9 in)	46 of 100 (Notable)
Halmstad	Sweden	Record high maximum temperature	19.9 C (67.8 F)	45 of 100 (Notable)
Mahalapye	Botswana	Record daily precipitation	43.5 mm (1.7 in)	43 of 100 (Notable)
Oestersund-Froesoen	Sweden	Record high maximum temperature	17.2 C (63.0 F)	43 of 100 (Notable)
Santa Helena (Mariquita)	Brazil	Record daily precipitation	77.2 mm (3.0 in)	41 of 100 (Notable)
Putbus	Germany	Record high maximum temperature	20.5 C (68.9 F)	41 of 100 (Notable)
Inukjuak Ua	Canada	Record daily precipitation	25.8 mm (1.0 in)	39 of 100 (Notable)
Abre Campo	Brazil	Record daily precipitation	74.2 mm (2.9 in)	38 of 100 (Notable)
Jokkmokk	Sweden	Record high maximum temperature	13.0 C (55.4 F)	37 of 100 (Notable)
Koebenhavn: Landbohojskolen-1	Denmark	Record high maximum temperature	19.4 C (66.9 F)	36 of 100 (Notable)
Soledad de Doblado	Mexico	Record daily precipitation	79.8 mm (3.1 in)	36 of 100 (Notable)
Huetamo	Mexico	Record low maximum temperature	26.1 C (79.0 F)	35 of 100 (Notable)
Visby_Flygplats	Sweden	Record high maximum temperature	17.4 C (63.3 F)	35 of 100 (Notable)
Paulista	Brazil	Record daily precipitation	58.1 mm (2.3 in)	34 of 100 (Routine)
Independence	United States	Record high maximum temperature	35.0 C (95.0 F)	34 of 100 (Routine)
Gravette	United States	Record high maximum temperature	31.7 C (89.1 F)	33 of 100 (Routine)
Newkirk 5NE	United States	Record high maximum temperature	34.4 C (93.9 F)	33 of 100 (Routine)
Pawhuska	United States	Record high maximum temperature	34.4 C (93.9 F)	33 of 100 (Routine)
Dennison Wtr Wks	United States	Record daily precipitation	32.5 mm (1.3 in)	32 of 100 (Routine)
Hennessey 4 ESE	United States	Record high maximum temperature	35.0 C (95.0 F)	32 of 100 (Routine)
Big Creek	Canada	Record low minimum temperature	-10.5 C (13.1 F)	31 of 100 (Routine)
Wrixum/Fohr	Germany	Record high maximum temperature	19.5 C (67.1 F)	31 of 100 (Routine)
Kur	Russia	Record daily precipitation	28.2 mm (1.1 in)	31 of 100 (Routine)
Jequitinhonha (Pcd)	Brazil	Record daily precipitation	49.0 mm (1.9 in)	30 of 100 (Routine)
Hamburg Fuhlsbuettel	Germany	Record high maximum temperature	22.6 C (72.7 F)	30 of 100 (Routine)
Kirchdorf/Poel	Germany	Record high maximum temperature	22.5 C (72.5 F)	29 of 100 (Routine)
Ukiah	United States	Record high maximum temperature	37.2 C (99.0 F)	29 of 100 (Routine)
Bernie	United States	Record daily precipitation	57.4 mm (2.3 in)	29 of 100 (Routine)
Manhuacu	Brazil	Record daily precipitation	51.8 mm (2.0 in)	28 of 100 (Routine)
Langara	Canada	Record daily precipitation	53.4 mm (2.1 in)	28 of 100 (Routine)
Huejotzingo	Mexico	Record low maximum temperature	13.9 C (57.0 F)	28 of 100 (Routine)
Cedral	Mexico	Record low maximum temperature	16.7 C (62.1 F)	28 of 100 (Routine)
Vastervik	Sweden	Record high maximum temperature	19.6 C (67.3 F)	28 of 100 (Routine)
Umea	Sweden	Record high maximum temperature	15.0 C (59.0 F)	28 of 100 (Routine)
Buxton	United Kingdom	Record high minimum temperature	11.6 C (52.9 F)	28 of 100 (Routine)
Vestervig	Denmark	Record high maximum temperature	19.5 C (67.1 F)	27 of 100 (Routine)
Greifswald	Germany	Record high maximum temperature	22.1 C (71.8 F)	27 of 100 (Routine)
Den Helder-1	Netherlands	Record high maximum temperature	20.6 C (69.1 F)	27 of 100 (Routine)
Orland	United States	Record high maximum temperature	34.4 C (93.9 F)	27 of 100 (Routine)
Port Lincoln	Australia	Record high minimum temperature	15.9 C (60.6 F)	26 of 100 (Routine)
La Union	Mexico	Record low maximum temperature	27.2 C (81.0 F)	26 of 100 (Routine)
Catemaco	Mexico	Record low minimum temperature	10.6 C (51.1 F)	26 of 100 (Routine)
Manlio Fabio Altamiramo	Mexico	Record daily precipitation	79.8 mm (3.1 in)	26 of 100 (Routine)
Pogranichnyj	Russia	Record low maximum temperature	3.3 C (37.9 F)	26 of 100 (Routine)
Willcox	United States	Record high maximum temperature	32.8 C (91.0 F)	26 of 100 (Routine)
De Sabla	United States	Record high maximum temperature	33.3 C (91.9 F)	26 of 100 (Routine)
Moscow U of I	United States	Record low minimum temperature	-5.0 C (23.0 F)	26 of 100 (Routine)
Crane Nsa	United States	Record daily precipitation	45.7 mm (1.8 in)	26 of 100 (Routine)
Howard 2SE	United States	Record high maximum temperature	33.9 C (93.0 F)	26 of 100 (Routine)
Andarai	Brazil	Record daily precipitation	58.7 mm (2.3 in)	25 of 100 (Routine)
Porto Novo	Brazil	Record daily precipitation	51.7 mm (2.0 in)	25 of 100 (Routine)
Nordby (Fano)	Denmark	Record high maximum temperature	19.8 C (67.6 F)	25 of 100 (Routine)
Timiryazevskij	Russia	Record low maximum temperature	5.8 C (42.4 F)	25 of 100 (Routine)
Malung	Sweden	Record high maximum temperature	16.9 C (62.4 F)	25 of 100 (Routine)
Meeker 5 W	United States	Record high maximum temperature	33.9 C (93.0 F)	25 of 100 (Routine)
Palpan	Mexico	Record low maximum temperature	20.6 C (69.1 F)	24 of 100 (Routine)
Boquilla Numero Uno	Mexico	Record daily precipitation	29.7 mm (1.2 in)	24 of 100 (Routine)
Lommaryd	Sweden	Record high maximum temperature	19.7 C (67.5 F)	24 of 100 (Routine)
Kuujjuaq A	Canada	Record high minimum temperature	6.8 C (44.2 F)	23 of 100 (Routine)
Friesoythe-Edewechterdam	Germany	Record high maximum temperature	24.2 C (75.6 F)	23 of 100 (Routine)

Counts by Type and Timescale

525 records

Records set or tied on 12 October 1978 by type: Highest daily maximum 261, Lowest daily maximum 43, Highest daily minimum 63, Lowest daily minimum 28, Heaviest daily rainfall 122, Heaviest daily snowfall 7, Deepest snow cover 1.

Records on 12 October 1978 by type
Record type	Records
Highest daily maximum	261
Lowest daily maximum	43
Highest daily minimum	63
Lowest daily minimum	28
Heaviest daily rainfall	122
Heaviest daily snowfall	7
Deepest snow cover	1

Records on 12 October 1978 by timescale: all-time 0, monthly 12, daily 513.

How Much Records Were Beaten By

440 broken records

Margins by which the 440 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 48.6. Ties are not counted.

Top 20 by Significance

12 October 1978

Top 20 records on 12 October 1978 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
12 October 1978	Cincinnati/Northern Kentucky I, US	daily rain	49.5 mm (1.9 in)	35.5 mm (1.4 in)	24 years	46 of 100 (Notable)
12 October 1978	Halmstad, SE	daily high max	19.9 C (67.8 F)	3.4 C (6.1 F)	86 years	45 of 100 (Notable)
12 October 1978	Mahalapye, BW	daily rain	43.5 mm (1.7 in)	24.4 mm (1.0 in)	48 years	43 of 100 (Notable)
12 October 1978	Oestersund-Froesoen, SE	monthly high max	17.2 C (63.0 F)	0.2 C (0.4 F)	83 years	43 of 100 (Notable)
12 October 1978	Santa Helena (Mariquita), BR	daily rain	77.2 mm (3.0 in)	48.6 mm (1.9 in)	9 years	41 of 100 (Notable)
12 October 1978	Putbus, DE	daily high max	20.5 C (68.9 F)	0.5 C (0.9 F)	101 years	41 of 100 (Notable)
12 October 1978	Inukjuak Ua, CA	daily rain	25.8 mm (1.0 in)	11.6 mm (0.5 in)	19 years	39 of 100 (Notable)
12 October 1978	Abre Campo, BR	monthly rain	74.2 mm (2.9 in)	24.0 mm (0.9 in)	18 years	38 of 100 (Notable)
12 October 1978	Jokkmokk, SE	daily high max	13.0 C (55.4 F)	1.0 C (1.8 F)	86 years	37 of 100 (Notable)
12 October 1978	Koebenhavn: Landbohojskolen-1, DK	daily high max	19.4 C (66.9 F)	1.6 C (2.9 F)	71 years	36 of 100 (Notable)
12 October 1978	Soledad de Doblado, MX	daily rain	79.8 mm (3.1 in)	36.4 mm (1.4 in)	48 years	36 of 100 (Notable)
12 October 1978	Huetamo, MX	daily low max	26.1 C (79.0 F)	3.9 C (7.0 F)	56 years	35 of 100 (Notable)
12 October 1978	Visby_Flygplats, SE	daily high max	17.4 C (63.3 F)	0.9 C (1.6 F)	76 years	35 of 100 (Notable)
12 October 1978	Paulista, BR	daily rain	58.1 mm (2.3 in)	40.0 mm (1.6 in)	32 years	34 of 100 (Routine)
12 October 1978	Independence, US	daily high max	35.0 C (95.0 F)	2.2 C (4.0 F)	78 years	34 of 100 (Routine)
12 October 1978	Gravette, US	daily high max	31.7 C (89.1 F)	1.1 C (2.0 F)	78 years	33 of 100 (Routine)
12 October 1978	Newkirk 5NE, US	daily high max	34.4 C (93.9 F)	1.6 C (2.9 F)	78 years	33 of 100 (Routine)
12 October 1978	Pawhuska, US	daily high max	34.4 C (93.9 F)	1.6 C (2.9 F)	78 years	33 of 100 (Routine)
12 October 1978	Dennison Wtr Wks, US	daily rain	32.5 mm (1.3 in)	8.6 mm (0.34 in)	51 years	32 of 100 (Routine)
12 October 1978	Hennessey 4 ESE, US	daily high max	35.0 C (95.0 F)	1.1 C (2.0 F)	78 years	32 of 100 (Routine)

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 1978

Records set or tied on this calendar date in each year from 1805 to 1978. 1978 had 525 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 1978-10-12: 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 10	405
10 to 20	18
20 to 30	8
30 to 40	6
40 to 50	3