Weather Records on 1 December 1978

777 weather records were set or tied worldwide on 1 December 1978. Highest significance: Armagh, GB.

Key Facts for 1 December 1978

On 1 December 1978, 777 weather records were set or tied at long-record stations worldwide.
94 were record highs and 181 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 32 monthly and 745 daily.
Armagh set a daily record precipitation of 39.4 mm (1.6 in) on 1 December 1978.
Across 162 earlier years (1797 to 2025) the same calendar date averaged 482 records.

Record Map

777 stations

777 station records on 1 December 1978 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 1 December 1978: highest significance records shown on the map
Station	Country	Type	Value	Significance
Armagh	United Kingdom	Record daily precipitation	39.4 mm (1.6 in)	80 of 100 (Exceptional)
Rosalia	United States	Record daily precipitation	34.5 mm (1.4 in)	63 of 100 (Major)
Sao Jose de Mipibu	Brazil	Record daily precipitation	86.5 mm (3.4 in)	60 of 100 (Major)
Deaver	United States	Record daily snowfall	12.7 cm (5.0 in)	56 of 100 (Notable)
Oelrichs	United States	Record snow depth	25.4 cm (10.0 in)	55 of 100 (Notable)
Komisarivka	Ukraine	Record daily precipitation	33.9 mm (1.3 in)	52 of 100 (Notable)
Kauffman 4 SSE	United States	Record daily snowfall	12.7 cm (5.0 in)	51 of 100 (Notable)
Sprague	United States	Record daily precipitation	25.1 mm (1.0 in)	51 of 100 (Notable)
Farias Brito	Brazil	Record daily precipitation	75.0 mm (3.0 in)	48 of 100 (Notable)
Clinton #1	United States	Record daily snowfall	27.9 cm (11.0 in)	48 of 100 (Notable)
Lander AP	United States	Record daily snowfall	22.1 cm (8.7 in)	48 of 100 (Notable)
Iowa City	United States	Record daily snowfall	24.1 cm (9.5 in)	47 of 100 (Notable)
Norris Madison Pwr House	United States	Record snow depth	27.9 cm (11.0 in)	47 of 100 (Notable)
Helena AP ASOS	United States	Record daily snowfall	24.1 cm (9.5 in)	47 of 100 (Notable)
Acude Bonito	Brazil	Record daily precipitation	71.0 mm (2.8 in)	45 of 100 (Notable)
Rapelje	United States	Record daily snowfall	20.3 cm (8.0 in)	45 of 100 (Notable)
Itapiuna	Brazil	Record daily precipitation	40.0 mm (1.6 in)	44 of 100 (Notable)
Clinton #1	United States	Record snow depth	27.9 cm (11.0 in)	43 of 100 (Notable)
Centennial 1NE	United States	Record daily snowfall	43.2 cm (17.0 in)	43 of 100 (Notable)
Harden Park	Australia	Record daily precipitation	49.0 mm (1.9 in)	42 of 100 (Notable)
Chaplyne	Ukraine	Record daily precipitation	39.1 mm (1.5 in)	42 of 100 (Notable)
Vinton	United States	Record daily snowfall	7.6 cm (3.0 in)	42 of 100 (Notable)
Centennial 1NE	United States	Record snow depth	40.6 cm (16.0 in)	42 of 100 (Notable)
Jokkmokk	Sweden	Record low maximum temperature	-28.6 C (-19.5 F)	41 of 100 (Notable)
Red Lodge	United States	Record daily snowfall	25.4 cm (10.0 in)	41 of 100 (Notable)
Hot Springs	United States	Record daily snowfall	7.6 cm (3.0 in)	41 of 100 (Notable)
Jabalpur	India	Record daily precipitation	45.0 mm (1.8 in)	40 of 100 (Notable)
Rock Creek	United States	Record daily snowfall	17.8 cm (7.0 in)	40 of 100 (Notable)
Yemassee 1 N	United States	Record daily precipitation	44.2 mm (1.7 in)	40 of 100 (Notable)
Lovell	United States	Record daily snowfall	10.2 cm (4.0 in)	40 of 100 (Notable)
Sebeni (Bos)	South Africa	Record daily precipitation	56.5 mm (2.2 in)	39 of 100 (Notable)
Debaltseve	Ukraine	Record daily precipitation	34.2 mm (1.3 in)	39 of 100 (Notable)
Crested Butte	United States	Record daily snowfall	31.5 cm (12.4 in)	39 of 100 (Notable)
East Anaconda	United States	Record daily snowfall	7.6 cm (3.0 in)	39 of 100 (Notable)
Norris Madison Pwr House	United States	Record daily snowfall	15.2 cm (6.0 in)	39 of 100 (Notable)
Merriman	United States	Record snow depth	17.8 cm (7.0 in)	39 of 100 (Notable)
Scottsbluff W B Heilig Fld AP	United States	Record daily snowfall	13.5 cm (5.3 in)	39 of 100 (Notable)
Steamboat Springs	United States	Record daily snowfall	31.8 cm (12.5 in)	38 of 100 (Notable)
Tasiilaq	Greenland [Denmark]	Record daily precipitation	89.9 mm (3.5 in)	37 of 100 (Notable)
Plauen	Germany	Record snow depth	14.0 cm (5.5 in)	37 of 100 (Notable)
Driggs	United States	Record daily snowfall	12.7 cm (5.0 in)	37 of 100 (Notable)
Kubanskaya Ustevaya	Russia	Record daily precipitation	40.0 mm (1.6 in)	36 of 100 (Notable)
Nikopol	Ukraine	Record daily precipitation	35.7 mm (1.4 in)	36 of 100 (Notable)
Steamboat Springs	United States	Record daily precipitation	26.2 mm (1.0 in)	36 of 100 (Notable)
Iowa City	United States	Record snow depth	25.4 cm (10.0 in)	36 of 100 (Notable)
Valier	United States	Record snow depth	22.9 cm (9.0 in)	36 of 100 (Notable)
Glenview NAS	United States	Record daily snowfall	27.7 cm (10.9 in)	36 of 100 (Notable)
Rifle	United States	Record daily snowfall	10.2 cm (4.0 in)	35 of 100 (Notable)
Muscatine	United States	Record daily snowfall	16.5 cm (6.5 in)	35 of 100 (Notable)
Cascade 5 S	United States	Record daily snowfall	15.2 cm (6.0 in)	35 of 100 (Notable)
Echo Dam	United States	Record daily snowfall	16.5 cm (6.5 in)	35 of 100 (Notable)
Ft Duchesne	United States	Record snow depth	20.3 cm (8.0 in)	35 of 100 (Notable)
Valentine Miller Fld AP	United States	Record daily snowfall	14.0 cm (5.5 in)	35 of 100 (Notable)
Kandalaksa	Russia	Record low maximum temperature	-24.0 C (-11.2 F)	34 of 100 (Routine)
Lozova	Ukraine	Record daily precipitation	30.3 mm (1.2 in)	34 of 100 (Routine)
Oak City	United States	Record snow depth	10.2 cm (4.0 in)	34 of 100 (Routine)
Ft Washakie 1 SE	United States	Record snow depth	35.6 cm (14.0 in)	34 of 100 (Routine)
Midwest	United States	Record snow depth	20.3 cm (8.0 in)	34 of 100 (Routine)
South Pass City	United States	Record daily snowfall	12.7 cm (5.0 in)	34 of 100 (Routine)
Chadron 3SW	United States	Record daily snowfall	14.2 cm (5.6 in)	33 of 100 (Routine)

Counts by Type and Timescale

777 records

Records set or tied on 1 December 1978 by type: Highest daily maximum 53, Lowest daily maximum 67, Highest daily minimum 41, Lowest daily minimum 114, Heaviest daily rainfall 256, Heaviest daily snowfall 136, Deepest snow cover 110.

Records on 1 December 1978 by type
Record type	Records
Highest daily maximum	53
Lowest daily maximum	67
Highest daily minimum	41
Lowest daily minimum	114
Heaviest daily rainfall	256
Heaviest daily snowfall	136
Deepest snow cover	110

Records on 1 December 1978 by timescale: all-time 0, monthly 32, daily 745.

How Much Records Were Beaten By

626 broken records

Margins by which the 626 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 228.0. Ties are not counted.

Top 20 by Significance

1 December 1978

Top 20 records on 1 December 1978 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
1 December 1978	Armagh, GB	daily rain	39.4 mm (1.6 in)	22.4 mm (0.9 in)	105 years	80 of 100 (Exceptional)
1 December 1978	Rosalia, US	daily rain	34.5 mm (1.4 in)	18.8 mm (0.7 in)	52 years	63 of 100 (Major)
1 December 1978	Sao Jose de Mipibu, BR	daily rain	86.5 mm (3.4 in)	62.8 mm (2.5 in)	48 years	60 of 100 (Major)
1 December 1978	Deaver, US	daily snowfall	12.7 cm (5.0 in)	11.4 cm (4.5 in)	36 years	56 of 100 (Notable)
1 December 1978	Oelrichs, US	daily snow depth	25.4 cm (10.0 in)	12.7 cm (5.0 in)	72 years	55 of 100 (Notable)
1 December 1978	Komisarivka, UA	monthly rain	33.9 mm (1.3 in)	11.1 mm (0.4 in)	28 years	52 of 100 (Notable)
1 December 1978	Kauffman 4 SSE, US	daily snowfall	12.7 cm (5.0 in)	12.7 cm (5.0 in)	41 years	51 of 100 (Notable)
1 December 1978	Sprague, US	daily rain	25.1 mm (1.0 in)	12.9 mm (0.5 in)	52 years	51 of 100 (Notable)
1 December 1978	Farias Brito, BR	daily rain	75.0 mm (3.0 in)	54.8 mm (2.2 in)	48 years	48 of 100 (Notable)
1 December 1978	Clinton #1, US	daily snowfall	27.9 cm (11.0 in)	12.7 cm (5.0 in)	48 years	48 of 100 (Notable)
1 December 1978	Lander AP, US	daily snowfall	22.1 cm (8.7 in)	22.1 cm (8.7 in)	29 years	48 of 100 (Notable)
1 December 1978	Iowa City, US	daily snowfall	24.1 cm (9.5 in)	11.4 cm (4.5 in)	48 years	47 of 100 (Notable)
1 December 1978	Norris Madison Pwr House, US	daily snow depth	27.9 cm (11.0 in)	15.2 cm (6.0 in)	59 years	47 of 100 (Notable)
1 December 1978	Helena AP ASOS, US	daily snowfall	24.1 cm (9.5 in)	17.2 cm (6.8 in)	12 years	47 of 100 (Notable)
1 December 1978	Acude Bonito, BR	daily rain	71.0 mm (2.8 in)	53.7 mm (2.1 in)	28 years	45 of 100 (Notable)
1 December 1978	Rapelje, US	daily snowfall	20.3 cm (8.0 in)	10.1 cm (4.0 in)	59 years	45 of 100 (Notable)
1 December 1978	Itapiuna, BR	daily rain	40.0 mm (1.6 in)	26.1 mm (1.0 in)	48 years	44 of 100 (Notable)
1 December 1978	Clinton #1, US	daily snow depth	27.9 cm (11.0 in)	15.2 cm (6.0 in)	48 years	43 of 100 (Notable)
1 December 1978	Centennial 1NE, US	monthly snowfall	43.2 cm (17.0 in)	5.1 cm (2.0 in)	56 years	43 of 100 (Notable)
1 December 1978	Harden Park, AU	daily rain	49.0 mm (1.9 in)	33.8 mm (1.3 in)	37 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

1797 to 1978

Records set or tied on this calendar date in each year from 1797 to 1978. 1978 had 777 records.

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

Records on 12-01 in each year
Year	Records
1797	1
1805	1
1807	2
1810	1
1817	2
1821	1
1823	2
1831	1
1849	1
1856	3
1857	1
1858	1
1861	1
1863	1
1869	2
1871	1
1872	3
1873	6
1875	8
1876	4
1877	1
1879	7
1884	3
1885	3
1886	1
1887	2
1888	3
1889	2
1890	6
1891	1
1892	2
1893	1
1894	1
1895	4
1896	4
1897	10
1898	5
1899	4
1901	5
1902	7
1903	13
1904	4
1905	11
1906	3
1907	8
1908	40
1909	64
1910	39
1911	45
1912	37
1913	53
1914	142
1915	23
1916	29
1917	52
1918	32
1919	78
1920	192
1921	55
1922	85
1923	70
1924	135
1925	145
1926	115
1927	271
1928	85
1929	515
1930	128
1931	337
1932	383
1933	656
1934	667
1935	164
1936	433
1937	238
1938	159
1939	346
1940	300
1941	391
1942	424
1943	93
1944	478
1945	259
1946	224
1947	392
1948	252
1949	313
1950	437
1951	585
1952	762
1953	283
1954	308
1955	624
1956	338
1957	295
1958	531
1959	355
1960	258
1961	373
1962	1,073
1963	282
1964	1,181
1965	598
1966	995
1967	601
1968	883
1969	673
1970	1,299
1971	574
1972	843
1973	888
1974	1,339
1975	1,007
1976	1,294
1977	1,166
1978	777
1979	874
1980	1,019
1981	1,320
1982	1,759
1983	1,275
1984	513
1985	3,874
1986	803
1987	1,020
1988	538
1989	822
1990	514
1991	2,124
1992	552
1993	597
1994	717
1995	1,386
1996	1,448
1997	736
1998	1,698
1999	790
2000	777
2001	1,211
2002	637
2003	627
2004	1,033
2005	815
2006	2,866
2007	1,427
2008	879
2009	927
2010	1,991
2011	947
2012	1,027
2013	400
2014	677
2015	850
2016	384
2017	496
2018	807
2019	803
2020	567
2021	2,030
2022	584
2023	609
2024	636
2025	679

Download the Data

Data for records on 1978-12-01: 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).

Histogram of margins by which records were beaten on 1 December 1978
Margin	Records
0 to 50	531
50 to 100	59
100 to 150	24
150 to 200	10
200 to 250	2