Weather Records on 12 December 1978

382 weather records were set or tied worldwide on 12 December 1978. Highest significance: Red Lodge, US.

Key Facts for 12 December 1978

On 12 December 1978, 382 weather records were set or tied at long-record stations worldwide.
133 were record highs and 70 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 10 monthly and 372 daily.
Red Lodge set a daily record snow depth of 116.8 cm (46.0 in) on 12 December 1978.
Across 153 earlier years (1796 to 2025) the same calendar date averaged 469 records.

Record Map

382 stations

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

Weather records on 12 December 1978: highest significance records shown on the map
Station	Country	Type	Value	Significance
Red Lodge	United States	Record snow depth	116.8 cm (46.0 in)	65 of 100 (Major)
Afogados da Ingazeira (Dnocs)	Brazil	Record daily precipitation	68.0 mm (2.7 in)	53 of 100 (Notable)
Merriman	United States	Record snow depth	20.3 cm (8.0 in)	52 of 100 (Notable)
Hopkins	South Africa	Record daily precipitation	72.5 mm (2.9 in)	51 of 100 (Notable)
Cape Grim (Woolnorth)	Australia	Record daily precipitation	35.0 mm (1.4 in)	48 of 100 (Notable)
Pedro Alexandre (Voturuna)	Brazil	Record daily precipitation	68.6 mm (2.7 in)	47 of 100 (Notable)
Dull Ctr 1SE	United States	Record snow depth	35.6 cm (14.0 in)	46 of 100 (Notable)
Chadron 3SW	United States	Record snow depth	30.5 cm (12.0 in)	45 of 100 (Notable)
Comstock	United States	Record snow depth	30.5 cm (12.0 in)	45 of 100 (Notable)
Cicero Dantas	Brazil	Record daily precipitation	62.8 mm (2.5 in)	44 of 100 (Notable)
Billings Intl AP	United States	Record snow depth	45.7 cm (18.0 in)	44 of 100 (Notable)
Forrest State Forest	Australia	Record daily precipitation	29.2 mm (1.1 in)	42 of 100 (Notable)
Beeac (Post Office)	Australia	Record daily precipitation	25.0 mm (1.0 in)	41 of 100 (Notable)
Bailey	United States	Record snow depth	30.5 cm (12.0 in)	41 of 100 (Notable)
Dillingham FAA AP	United States	Record daily precipitation	30.5 mm (1.2 in)	41 of 100 (Notable)
Quaggasdrift	South Africa	Record daily precipitation	33.5 mm (1.3 in)	40 of 100 (Notable)
Iliamna AP	United States	Record daily snowfall	31.8 cm (12.5 in)	39 of 100 (Notable)
Minatitlan	Mexico	Record daily precipitation	75.2 mm (3.0 in)	37 of 100 (Notable)
Crescent Lake Nwr	United States	Record snow depth	25.4 cm (10.0 in)	36 of 100 (Notable)
Waialua 847	United States	Record high minimum temperature	22.8 C (73.0 F)	36 of 100 (Notable)
Sheridan AP	United States	Record snow depth	35.6 cm (14.0 in)	36 of 100 (Notable)
Biskra	Algeria	Record high maximum temperature	24.0 C (75.2 F)	34 of 100 (Routine)
Oranje	South Africa	Record daily precipitation	36.3 mm (1.4 in)	34 of 100 (Routine)
Bridger 2 N	United States	Record snow depth	35.6 cm (14.0 in)	34 of 100 (Routine)
Bremen-Seefahrtschule	Germany	Record high maximum temperature	11.3 C (52.3 F)	32 of 100 (Routine)
Hot Springs	United States	Record snow depth	10.2 cm (4.0 in)	32 of 100 (Routine)
Clearwater	United States	Record low minimum temperature	-6.1 C (21.0 F)	32 of 100 (Routine)
Buffalo	United States	Record daily snowfall	7.6 cm (3.0 in)	32 of 100 (Routine)
Arthur	United States	Record snow depth	30.5 cm (12.0 in)	31 of 100 (Routine)
Stanton	United States	Record snow depth	15.2 cm (6.0 in)	31 of 100 (Routine)
Irishtown	Australia	Record daily precipitation	29.2 mm (1.1 in)	30 of 100 (Routine)
Purdum	United States	Record snow depth	25.4 cm (10.0 in)	30 of 100 (Routine)
Rochelle 7ENE	United States	Record snow depth	20.3 cm (8.0 in)	30 of 100 (Routine)
Nuwara Eliya	Sri Lanka	Record high minimum temperature	14.0 C (57.2 F)	29 of 100 (Routine)
Lisboa Geofisica	Portugal	Record high minimum temperature	16.8 C (62.2 F)	29 of 100 (Routine)
Kingsley Dam	United States	Record snow depth	17.8 cm (7.0 in)	29 of 100 (Routine)
Gabes	Tunisia	Record high minimum temperature	14.0 C (57.2 F)	28 of 100 (Routine)
Lake Park 3SSE	United States	Record snow depth	20.3 cm (8.0 in)	28 of 100 (Routine)
Broome Airport	Australia	Record low minimum temperature	21.2 C (70.2 F)	27 of 100 (Routine)
Tussenvier	South Africa	Record daily precipitation	45.0 mm (1.8 in)	27 of 100 (Routine)
Bastia	France	Record high maximum temperature	22.8 C (73.0 F)	26 of 100 (Routine)
Canton	Mexico	Record daily precipitation	63.8 mm (2.5 in)	26 of 100 (Routine)
Coetzeekraal	South Africa	Record daily precipitation	31.0 mm (1.2 in)	26 of 100 (Routine)
Nenzel 20 S	United States	Record snow depth	22.9 cm (9.0 in)	26 of 100 (Routine)
Manaira (Alagoa Nova)	Brazil	Record daily precipitation	43.0 mm (1.7 in)	25 of 100 (Routine)
Midwest	United States	Record snow depth	27.9 cm (11.0 in)	25 of 100 (Routine)
Snake Rvr	United States	Record daily snowfall	30.5 cm (12.0 in)	25 of 100 (Routine)
Stillwater	Canada	Record low minimum temperature	-23.0 C (-9.4 F)	24 of 100 (Routine)
Genoa	Italy	Record daily precipitation	72.8 mm (2.9 in)	24 of 100 (Routine)
Tuzantla (Smn)	Mexico	Record high minimum temperature	21.7 C (71.1 F)	24 of 100 (Routine)
Reboly	Russia	Record low maximum temperature	-24.7 C (-12.5 F)	24 of 100 (Routine)
Martinsdale 3 NNW	United States	Record snow depth	20.3 cm (8.0 in)	24 of 100 (Routine)
Woodstock	Canada	Record low minimum temperature	-27.0 C (-16.6 F)	23 of 100 (Routine)
Huejotzingo	Mexico	Record high minimum temperature	8.9 C (48.0 F)	23 of 100 (Routine)
Troicko-Pecherskoe	Russia	Record low maximum temperature	-29.2 C (-20.6 F)	23 of 100 (Routine)
Bajramaly	Turkmenistan	Record high maximum temperature	27.7 C (81.9 F)	23 of 100 (Routine)
Gyshgy	Turkmenistan	Record high maximum temperature	28.3 C (82.9 F)	23 of 100 (Routine)
Jetmore	United States	Record high maximum temperature	19.4 C (66.9 F)	23 of 100 (Routine)
Postmasburg	South Africa	Record daily precipitation	26.0 mm (1.0 in)	22 of 100 (Routine)
San Sebastian - Igueldo	Spain	Record high maximum temperature	21.0 C (69.8 F)	22 of 100 (Routine)

Counts by Type and Timescale

382 records

Records set or tied on 12 December 1978 by type: Highest daily maximum 89, Lowest daily maximum 24, Highest daily minimum 44, Lowest daily minimum 46, Heaviest daily rainfall 104, Heaviest daily snowfall 6, Deepest snow cover 69.

Records on 12 December 1978 by type
Record type	Records
Highest daily maximum	89
Lowest daily maximum	24
Highest daily minimum	44
Lowest daily minimum	46
Heaviest daily rainfall	104
Heaviest daily snowfall	6
Deepest snow cover	69

Records on 12 December 1978 by timescale: all-time 0, monthly 10, daily 372.

How Much Records Were Beaten By

305 broken records

Margins by which the 305 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 660.0. Ties are not counted.

Top 20 by Significance

12 December 1978

Top 20 records on 12 December 1978 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
12 December 1978	Red Lodge, US	daily snow depth	116.8 cm (46.0 in)	66.0 cm (26.0 in)	59 years	65 of 100 (Major)
12 December 1978	Afogados da Ingazeira (Dnocs), BR	daily rain	68.0 mm (2.7 in)	56.3 mm (2.2 in)	63 years	53 of 100 (Notable)
12 December 1978	Merriman, US	daily snow depth	20.3 cm (8.0 in)	12.7 cm (5.0 in)	47 years	52 of 100 (Notable)
12 December 1978	Hopkins, ZA	daily rain	72.5 mm (2.9 in)	54.5 mm (2.1 in)	19 years	51 of 100 (Notable)
12 December 1978	Cape Grim (Woolnorth), AU	daily rain	35.0 mm (1.4 in)	10.9 mm (0.4 in)	77 years	48 of 100 (Notable)
12 December 1978	Pedro Alexandre (Voturuna), BR	daily rain	68.6 mm (2.7 in)	63.6 mm (2.5 in)	11 years	47 of 100 (Notable)
12 December 1978	Dull Ctr 1SE, US	daily snow depth	35.6 cm (14.0 in)	20.4 cm (8.0 in)	5 years	46 of 100 (Notable)
12 December 1978	Chadron 3SW, US	daily snow depth	30.5 cm (12.0 in)	15.3 cm (6.0 in)	23 years	45 of 100 (Notable)
12 December 1978	Comstock, US	daily snow depth	30.5 cm (12.0 in)	20.3 cm (8.0 in)	16 years	45 of 100 (Notable)
12 December 1978	Cicero Dantas, BR	daily rain	62.8 mm (2.5 in)	31.4 mm (1.2 in)	63 years	44 of 100 (Notable)
12 December 1978	Billings Intl AP, US	daily snow depth	45.7 cm (18.0 in)	27.9 cm (11.0 in)	5 years	44 of 100 (Notable)
12 December 1978	Forrest State Forest, AU	daily rain	29.2 mm (1.1 in)	10.9 mm (0.4 in)	67 years	42 of 100 (Notable)
12 December 1978	Beeac (Post Office), AU	daily rain	25.0 mm (1.0 in)	11.3 mm (0.4 in)	61 years	41 of 100 (Notable)
12 December 1978	Bailey, US	daily snow depth	30.5 cm (12.0 in)	15.3 cm (6.0 in)	17 years	41 of 100 (Notable)
12 December 1978	Dillingham FAA AP, US	daily rain	30.5 mm (1.2 in)	14.0 mm (0.6 in)	24 years	41 of 100 (Notable)
12 December 1978	Quaggasdrift, ZA	daily rain	33.5 mm (1.3 in)	28.0 mm (1.1 in)	24 years	40 of 100 (Notable)
12 December 1978	Iliamna AP, US	daily snowfall	31.8 cm (12.5 in)	19.1 cm (7.5 in)	3 years	39 of 100 (Notable)
12 December 1978	Minatitlan, MX	daily rain	75.2 mm (3.0 in)	35.3 mm (1.4 in)	43 years	37 of 100 (Notable)
12 December 1978	Crescent Lake Nwr, US	daily snow depth	25.4 cm (10.0 in)	15.2 cm (6.0 in)	20 years	36 of 100 (Notable)
12 December 1978	Waialua 847, US	daily high min	22.8 C (73.0 F)	2.2 C (4.0 F)	63 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

1796 to 1978

Records set or tied on this calendar date in each year from 1796 to 1978. 1978 had 382 records.

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

Records on 12-12 in each year
Year	Records
1796	2
1798	1
1802	1
1808	2
1814	1
1825	2
1831	1
1835	2
1846	1
1855	2
1861	1
1863	3
1870	2
1871	5
1873	2
1879	2
1882	3
1887	1
1889	1
1891	2
1892	2
1893	8
1894	3
1895	1
1896	4
1897	3
1898	20
1899	11
1900	5
1901	4
1902	7
1903	18
1904	20
1905	10
1906	14
1907	8
1908	25
1909	20
1910	39
1911	104
1912	53
1913	20
1914	19
1915	46
1916	115
1917	246
1918	33
1919	23
1920	41
1921	63
1922	61
1923	91
1924	130
1925	75
1926	143
1927	335
1928	234
1929	405
1930	45
1931	522
1932	813
1933	358
1934	430
1935	266
1936	142
1937	468
1938	103
1939	418
1940	621
1941	260
1942	257
1943	165
1944	688
1945	212
1946	761
1947	295
1948	282
1949	789
1950	364
1951	175
1952	501
1953	288
1954	696
1955	381
1956	441
1957	1,118
1958	884
1959	464
1960	710
1961	1,481
1962	1,495
1963	439
1964	459
1965	1,045
1966	369
1967	565
1968	727
1969	499
1970	366
1971	585
1972	1,669
1973	397
1974	191
1975	492
1976	319
1977	907
1978	382
1979	1,016
1980	583
1981	734
1982	867
1983	816
1984	808
1985	1,384
1986	408
1987	468
1988	1,030
1989	930
1990	676
1991	1,980
1992	818
1993	887
1994	1,172
1995	2,030
1996	1,391
1997	869
1998	1,103
1999	952
2000	2,510
2001	700
2002	683
2003	537
2004	727
2005	769
2006	886
2007	1,315
2008	1,424
2009	818
2010	1,501
2011	621
2012	684
2013	646
2014	1,040
2015	1,496
2016	530
2017	808
2018	256
2019	418
2020	507
2021	441
2022	767
2023	544
2024	328
2025	1,485

Download the Data

Data for records on 1978-12-12: 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 100	289
100 to 200	12
200 to 300	3
300 to 400	0
400 to 500	0
500 to 600	0
600 to 700	1