Weather Records on 6 December 1977

1,480 weather records were set or tied worldwide on 6 December 1977. Highest significance: Bolivar, US.

Key Facts for 6 December 1977

On 6 December 1977, 1,480 weather records were set or tied at long-record stations worldwide.
207 were record highs and 477 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 31 monthly and 1,449 daily.
Bolivar set a daily record snowfall of 30.2 cm (11.9 in) on 6 December 1977.
Across 164 earlier years (1804 to 2025) the same calendar date averaged 478 records.

Record Map

1,480 stations

1,480 station records on 6 December 1977 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 6 December 1977: highest significance records shown on the map
Station	Country	Type	Value	Significance
Bolivar	United States	Record daily snowfall	30.2 cm (11.9 in)	71 of 100 (Major)
Rockville	United States	Record daily snowfall	25.4 cm (10.0 in)	66 of 100 (Major)
Cedar Run (River)	United States	Record daily snowfall	17.8 cm (7.0 in)	65 of 100 (Major)
Crawfordsville Pwr Plt	United States	Record snow depth	35.6 cm (14.0 in)	63 of 100 (Major)
Dansville	United States	Record daily snowfall	30.5 cm (12.0 in)	61 of 100 (Major)
Greencastle 1 W	United States	Record snow depth	20.3 cm (8.0 in)	60 of 100 (Major)
Whitestown	United States	Record daily snowfall	17.8 cm (7.0 in)	60 of 100 (Major)
Warren	United States	Record daily snowfall	27.2 cm (10.7 in)	60 of 100 (Major)
Rochester	United States	Record daily snowfall	25.4 cm (10.0 in)	57 of 100 (Notable)
Bainbridge 2 E	United States	Record daily snowfall	22.9 cm (9.0 in)	57 of 100 (Notable)
Chemung	United States	Record daily snowfall	30.5 cm (12.0 in)	57 of 100 (Notable)
Le Roy	United States	Record daily snowfall	16.5 cm (6.5 in)	56 of 100 (Notable)
Huntingdon	Canada	Record daily snowfall	20.3 cm (8.0 in)	54 of 100 (Notable)
Chazy	United States	Record daily snowfall	27.9 cm (11.0 in)	54 of 100 (Notable)
Plattsburgh AFB	United States	Record daily snowfall	30.5 cm (12.0 in)	54 of 100 (Notable)
Coeur D'Alene	United States	Record daily snowfall	26.7 cm (10.5 in)	53 of 100 (Notable)
Gouverneur 3 NW	United States	Record daily snowfall	33.0 cm (13.0 in)	53 of 100 (Notable)
Mt Morris 2W	United States	Record daily precipitation	29.5 mm (1.2 in)	53 of 100 (Notable)
Haskinville	United States	Record daily precipitation	35.8 mm (1.4 in)	52 of 100 (Notable)
Chelsea	United States	Record daily snowfall	27.2 cm (10.7 in)	52 of 100 (Notable)
Jacksonville 2E	United States	Record snow depth	12.7 cm (5.0 in)	51 of 100 (Notable)
Delphi 2 N	United States	Record snow depth	25.4 cm (10.0 in)	51 of 100 (Notable)
Whitestown	United States	Record snow depth	20.3 cm (8.0 in)	51 of 100 (Notable)
Elmira	United States	Record daily snowfall	22.9 cm (9.0 in)	51 of 100 (Notable)
Kalispell Glacier AP	United States	Record daily snowfall	19.8 cm (7.8 in)	50 of 100 (Notable)
Freehold-Marlboro	United States	Record daily precipitation	31.8 mm (1.3 in)	50 of 100 (Notable)
Cayuga Lock #1	United States	Record daily precipitation	39.9 mm (1.6 in)	50 of 100 (Notable)
South Wales Emery Park	United States	Record daily snowfall	33.0 cm (13.0 in)	50 of 100 (Notable)
Huntington	United States	Record snow depth	22.9 cm (9.0 in)	49 of 100 (Notable)
Monroeville 1 NW	United States	Record daily snowfall	17.8 cm (7.0 in)	49 of 100 (Notable)
Keosauqua	United States	Record daily snowfall	15.2 cm (6.0 in)	49 of 100 (Notable)
Cincinnatus	United States	Record daily snowfall	20.3 cm (8.0 in)	49 of 100 (Notable)
Montpelier	United States	Record daily snowfall	22.9 cm (9.0 in)	49 of 100 (Notable)
Brockville	Canada	Record daily snowfall	27.6 cm (10.9 in)	48 of 100 (Notable)
Marion 2 N	United States	Record snow depth	22.9 cm (9.0 in)	48 of 100 (Notable)
Vincennes 4 E	United States	Record daily snowfall	6.4 cm (2.5 in)	48 of 100 (Notable)
Upper Sandusky	United States	Record daily snowfall	20.3 cm (8.0 in)	48 of 100 (Notable)
Towanda 1 S	United States	Record daily snowfall	17.8 cm (7.0 in)	48 of 100 (Notable)
Kvareli	Georgia	Record daily precipitation	34.2 mm (1.3 in)	47 of 100 (Notable)
Olean	United States	Record daily snowfall	20.3 cm (8.0 in)	47 of 100 (Notable)
Tiffin	United States	Record daily snowfall	20.3 cm (8.0 in)	47 of 100 (Notable)
Canton 4 SE	United States	Record daily snowfall	26.7 cm (10.5 in)	47 of 100 (Notable)
Greencastle 1 W	United States	Record daily snowfall	17.8 cm (7.0 in)	46 of 100 (Notable)
Penn Yan	United States	Record snow depth	27.9 cm (11.0 in)	46 of 100 (Notable)
Prattsburg 2 NW	United States	Record daily precipitation	32.8 mm (1.3 in)	45 of 100 (Notable)
Danville	United States	Record snow depth	15.2 cm (6.0 in)	44 of 100 (Notable)
Crawfordsville Pwr Plt	United States	Record daily snowfall	22.9 cm (9.0 in)	44 of 100 (Notable)
Petersburg 61 Brg	United States	Record daily snowfall	19.8 cm (7.8 in)	44 of 100 (Notable)
Mt Sterling	United States	Record daily snowfall	5.1 cm (2.0 in)	44 of 100 (Notable)
Mandan Exp STN	United States	Record snow depth	45.7 cm (18.0 in)	44 of 100 (Notable)
Wellsboro 4 SW	United States	Record daily snowfall	22.9 cm (9.0 in)	44 of 100 (Notable)
Noblesville River	United States	Record daily snowfall	17.8 cm (7.0 in)	43 of 100 (Notable)
W Lafayette 6 NW	United States	Record snow depth	22.9 cm (9.0 in)	43 of 100 (Notable)
Steelville 2 N	United States	Record daily snowfall	5.1 cm (2.0 in)	43 of 100 (Notable)
Batavia	United States	Record daily snowfall	20.3 cm (8.0 in)	43 of 100 (Notable)
Gloversville	United States	Record daily snowfall	22.9 cm (9.0 in)	43 of 100 (Notable)
Wilson 4 S	United States	Record daily precipitation	41.9 mm (1.6 in)	43 of 100 (Notable)
Montrose	United States	Record daily snowfall	22.9 cm (9.0 in)	43 of 100 (Notable)
Saint Johnsbury	United States	Record daily snowfall	19.1 cm (7.5 in)	43 of 100 (Notable)
Kaslo	Canada	Record daily precipitation	39.0 mm (1.5 in)	42 of 100 (Notable)

Counts by Type and Timescale

1,480 records

Records set or tied on 6 December 1977 by type: Highest daily maximum 142, Lowest daily maximum 216, Highest daily minimum 65, Lowest daily minimum 261, Heaviest daily rainfall 333, Heaviest daily snowfall 337, Deepest snow cover 126.

Records on 6 December 1977 by type
Record type	Records
Highest daily maximum	142
Lowest daily maximum	216
Highest daily minimum	65
Lowest daily minimum	261
Heaviest daily rainfall	333
Heaviest daily snowfall	337
Deepest snow cover	126

Records on 6 December 1977 by timescale: all-time 0, monthly 31, daily 1,449.

How Much Records Were Beaten By

1,249 broken records

Margins by which the 1,249 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 292.0. Ties are not counted.

Top 20 by Significance

6 December 1977

Top 20 records on 6 December 1977 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
6 December 1977	Bolivar, US	daily snowfall	30.2 cm (11.9 in)	25.1 cm (9.9 in)	76 years	71 of 100 (Major)
6 December 1977	Rockville, US	daily snowfall	25.4 cm (10.0 in)	19.0 cm (7.5 in)	60 years	66 of 100 (Major)
6 December 1977	Cedar Run (River), US	daily snowfall	17.8 cm (7.0 in)	17.8 cm (7.0 in)	80 years	65 of 100 (Major)
6 December 1977	Crawfordsville Pwr Plt, US	daily snow depth	35.6 cm (14.0 in)	28.0 cm (11.0 in)	52 years	63 of 100 (Major)
6 December 1977	Dansville, US	monthly snowfall	30.5 cm (12.0 in)	10.2 cm (4.0 in)	47 years	61 of 100 (Major)
6 December 1977	Greencastle 1 W, US	daily snow depth	20.3 cm (8.0 in)	17.8 cm (7.0 in)	79 years	60 of 100 (Major)
6 December 1977	Whitestown, US	daily snowfall	17.8 cm (7.0 in)	14.0 cm (5.5 in)	60 years	60 of 100 (Major)
6 December 1977	Warren, US	daily snowfall	27.2 cm (10.7 in)	17.5 cm (6.9 in)	40 years	60 of 100 (Major)
6 December 1977	Rochester, US	daily snowfall	25.4 cm (10.0 in)	21.6 cm (8.5 in)	35 years	57 of 100 (Notable)
6 December 1977	Bainbridge 2 E, US	daily snowfall	22.9 cm (9.0 in)	15.3 cm (6.0 in)	59 years	57 of 100 (Notable)
6 December 1977	Chemung, US	daily snowfall	30.5 cm (12.0 in)	29.2 cm (11.5 in)	28 years	57 of 100 (Notable)
6 December 1977	Le Roy, US	daily snowfall	16.5 cm (6.5 in)	14.0 cm (5.5 in)	71 years	56 of 100 (Notable)
6 December 1977	Huntingdon, CA	daily snowfall	20.3 cm (8.0 in)	10.1 cm (4.0 in)	94 years	54 of 100 (Notable)
6 December 1977	Chazy, US	daily snowfall	27.9 cm (11.0 in)	15.2 cm (6.0 in)	71 years	54 of 100 (Notable)
6 December 1977	Plattsburgh AFB, US	daily snowfall	30.5 cm (12.0 in)	17.8 cm (7.0 in)	71 years	54 of 100 (Notable)
6 December 1977	Coeur D'Alene, US	daily snowfall	26.7 cm (10.5 in)	15.3 cm (6.0 in)	60 years	53 of 100 (Notable)
6 December 1977	Gouverneur 3 NW, US	daily snowfall	33.0 cm (13.0 in)	20.3 cm (8.0 in)	40 years	53 of 100 (Notable)
6 December 1977	Mt Morris 2W, US	daily rain	29.5 mm (1.2 in)	21.9 mm (0.9 in)	19 years	53 of 100 (Notable)
6 December 1977	Haskinville, US	daily rain	35.8 mm (1.4 in)	21.3 mm (0.8 in)	19 years	52 of 100 (Notable)
6 December 1977	Chelsea, US	daily snowfall	27.2 cm (10.7 in)	14.5 cm (5.7 in)	71 years	52 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

1804 to 1977

Records set or tied on this calendar date in each year from 1804 to 1977. 1977 had 1,480 records.

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

Records on 12-06 in each year
Year	Records
1804	1
1822	1
1825	1
1827	1
1829	2
1832	1
1836	1
1839	1
1840	1
1841	1
1842	1
1844	2
1848	1
1856	2
1859	1
1860	2
1861	1
1862	1
1865	1
1866	1
1868	7
1871	1
1872	1
1875	3
1876	1
1879	5
1880	1
1884	2
1886	3
1888	2
1889	1
1890	1
1891	8
1893	2
1895	3
1896	2
1897	1
1898	4
1899	7
1900	6
1901	5
1902	19
1903	7
1904	13
1905	4
1906	23
1907	10
1908	18
1909	26
1910	35
1911	9
1912	109
1913	14
1914	11
1915	63
1916	25
1917	22
1918	34
1919	30
1920	259
1921	20
1922	150
1923	145
1924	159
1925	189
1926	308
1927	107
1928	98
1929	92
1930	481
1931	178
1932	363
1933	346
1934	185
1935	283
1936	524
1937	958
1938	267
1939	918
1940	264
1941	231
1942	509
1943	378
1944	203
1945	241
1946	657
1947	178
1948	396
1949	137
1950	1,419
1951	1,591
1952	229
1953	533
1954	455
1955	345
1956	1,633
1957	362
1958	640
1959	379
1960	707
1961	197
1962	916
1963	391
1964	597
1965	420
1966	1,013
1967	310
1968	356
1969	810
1970	558
1971	545
1972	2,565
1973	482
1974	549
1975	637
1976	643
1977	1,480
1978	969
1979	809
1980	1,108
1981	937
1982	1,277
1983	1,232
1984	1,245
1985	1,087
1986	695
1987	978
1988	660
1989	798
1990	800
1991	743
1992	1,622
1993	485
1994	1,467
1995	1,456
1996	1,093
1997	953
1998	2,750
1999	1,079
2000	1,230
2001	1,520
2002	1,576
2003	1,303
2004	699
2005	1,233
2006	1,097
2007	1,538
2008	913
2009	866
2010	1,364
2011	1,327
2012	848
2013	2,182
2014	615
2015	768
2016	575
2017	402
2018	469
2019	374
2020	549
2021	676
2022	432
2023	1,271
2024	620
2025	640

Download the Data

Data for records on 1977-12-06: 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 50	1,045
50 to 100	105
100 to 150	61
150 to 200	28
200 to 250	7
250 to 300	3