Weather Records on 11 December 1977

1,182 weather records were set or tied worldwide on 11 December 1977. Highest significance: Cosamaloapan de Carpio (Smn), MX.

Key Facts for 11 December 1977

On 11 December 1977, 1,182 weather records were set or tied at long-record stations worldwide.
117 were record highs and 720 were record lows, counting maximum and minimum temperature.
By timescale, 6 were all-time records, 39 monthly and 1,137 daily.
Cosamaloapan de Carpio (Smn) set an all-time record daily precipitation of 214.9 mm (8.5 in) on 11 December 1977.
Across 154 earlier years (1796 to 2025) the same calendar date averaged 468 records.

Record Map

1,182 stations

1,182 station records on 11 December 1977 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 11 December 1977: highest significance records shown on the map
Station	Country	Type	Value	Significance
Cosamaloapan de Carpio (Smn)	Mexico	Record daily precipitation	214.9 mm (8.5 in)	62 of 100 (Major)
Kokomo 3 WSW	United States	Record snow depth	45.7 cm (18.0 in)	61 of 100 (Major)
Versailles	United States	Record snow depth	30.5 cm (12.0 in)	59 of 100 (Notable)
Rochester Gtr Intl	United States	Record snow depth	53.3 cm (21.0 in)	59 of 100 (Notable)
Mt Clemens Ang Base	United States	Record snow depth	30.5 cm (12.0 in)	57 of 100 (Notable)
Canton 4 SE	United States	Record snow depth	53.3 cm (21.0 in)	55 of 100 (Notable)
Bremerton	United States	Record daily precipitation	77.5 mm (3.1 in)	53 of 100 (Notable)
Warren	United States	Record snow depth	38.1 cm (15.0 in)	50 of 100 (Notable)
Whitestown	United States	Record snow depth	27.9 cm (11.0 in)	49 of 100 (Notable)
Mandan Exp STN	United States	Record snow depth	50.8 cm (20.0 in)	49 of 100 (Notable)
Franklin	United States	Record snow depth	40.6 cm (16.0 in)	49 of 100 (Notable)
Belleville	Canada	Record low maximum temperature	-15.0 C (5.0 F)	48 of 100 (Notable)
S Haven	United States	Record snow depth	61.0 cm (24.0 in)	47 of 100 (Notable)
Jacksonville 2E	United States	Record snow depth	15.2 cm (6.0 in)	46 of 100 (Notable)
Upper Sandusky	United States	Record snow depth	48.3 cm (19.0 in)	46 of 100 (Notable)
Woodstock	Canada	Record low minimum temperature	-24.0 C (-11.2 F)	44 of 100 (Notable)
Pontiac	United States	Record snow depth	33.0 cm (13.0 in)	44 of 100 (Notable)
Tiffin	United States	Record snow depth	35.6 cm (14.0 in)	44 of 100 (Notable)
Farmland 5 NNW	United States	Record snow depth	27.9 cm (11.0 in)	43 of 100 (Notable)
Lewiston	United States	Record snow depth	30.5 cm (12.0 in)	43 of 100 (Notable)
Estacao Experimental	Brazil	Record daily precipitation	71.0 mm (2.8 in)	42 of 100 (Notable)
Montreal McGill	Canada	Record low maximum temperature	-18.9 C (-2.0 F)	42 of 100 (Notable)
Sao Fidelis (Pcd)	Brazil	Record daily precipitation	58.3 mm (2.3 in)	41 of 100 (Notable)
Rio Abaixo (Faz.Cachoeira)	Brazil	Record daily precipitation	77.0 mm (3.0 in)	41 of 100 (Notable)
Baddeck	Canada	Record low maximum temperature	-8.9 C (16.0 F)	41 of 100 (Notable)
Angola	United States	Record low minimum temperature	-26.1 C (-15.0 F)	41 of 100 (Notable)
Springer	United States	Record high maximum temperature	25.6 C (78.1 F)	41 of 100 (Notable)
Canfield 1 S	United States	Record snow depth	25.4 cm (10.0 in)	41 of 100 (Notable)
Scottsbluff W B Heilig Fld AP	United States	Record snow depth	17.8 cm (7.0 in)	41 of 100 (Notable)
Toledo Blade	United States	Record low maximum temperature	-15.6 C (3.9 F)	40 of 100 (Notable)
Atlantic City Marina	United States	Record low maximum temperature	-3.9 C (25.0 F)	40 of 100 (Notable)
Youngstown-Warren Rgnl AP	United States	Record snow depth	27.9 cm (11.0 in)	40 of 100 (Notable)
Anta	Brazil	Record daily precipitation	85.2 mm (3.4 in)	39 of 100 (Notable)
Torungen Fyr	Norway	Record daily precipitation	33.0 mm (1.3 in)	39 of 100 (Notable)
Houghton Lake 6 WSW	United States	Record low minimum temperature	-30.0 C (-22.0 F)	39 of 100 (Notable)
Millersburg	United States	Record snow depth	25.4 cm (10.0 in)	39 of 100 (Notable)
Corry	United States	Record snow depth	58.4 cm (23.0 in)	39 of 100 (Notable)
Ketchikan AP	United States	Record daily snowfall	21.6 cm (8.5 in)	39 of 100 (Notable)
Paris Stp	United States	Record snow depth	20.3 cm (8.0 in)	38 of 100 (Notable)
Auburn 2 SSE	United States	Record low maximum temperature	-11.1 C (12.0 F)	38 of 100 (Notable)
W Lafayette 6 NW	United States	Record snow depth	33.0 cm (13.0 in)	38 of 100 (Notable)
Wheatfield	United States	Record snow depth	25.4 cm (10.0 in)	38 of 100 (Notable)
Grand Haven Fire Dept	United States	Record daily snowfall	30.5 cm (12.0 in)	38 of 100 (Notable)
Bolivar	United States	Record low minimum temperature	-30.0 C (-22.0 F)	38 of 100 (Notable)
Van Wert 1 S	United States	Record snow depth	30.5 cm (12.0 in)	38 of 100 (Notable)
Turbine	Canada	Record daily snowfall	9.1 cm (3.6 in)	37 of 100 (Notable)
Midland Water Pollution Contro	Canada	Record daily snowfall	12.7 cm (5.0 in)	37 of 100 (Notable)
Oksoey Fyr	Norway	Record daily precipitation	48.3 mm (1.9 in)	37 of 100 (Notable)
Greencastle 1 W	United States	Record snow depth	25.4 cm (10.0 in)	37 of 100 (Notable)
Valparaiso Wtr Wks	United States	Record snow depth	20.3 cm (8.0 in)	37 of 100 (Notable)
Peterboro 2 S	United States	Record low maximum temperature	-10.6 C (12.9 F)	37 of 100 (Notable)
Moura Brasil	Brazil	Record daily precipitation	75.8 mm (3.0 in)	36 of 100 (Notable)
Amparo	Brazil	Record daily precipitation	70.6 mm (2.8 in)	36 of 100 (Notable)
Welland	Canada	Record low minimum temperature	-22.0 C (-7.6 F)	36 of 100 (Notable)
Tepeaca	Mexico	Record daily precipitation	41.9 mm (1.6 in)	36 of 100 (Notable)
Farmland 5 NNW	United States	Record low maximum temperature	-15.6 C (3.9 F)	36 of 100 (Notable)
Estevao Pinto	Brazil	Record daily precipitation	79.6 mm (3.1 in)	35 of 100 (Notable)
Mykland	Norway	Record daily precipitation	38.4 mm (1.5 in)	35 of 100 (Notable)
Champaign 3S	United States	Record snow depth	25.4 cm (10.0 in)	35 of 100 (Notable)
Ironwood	United States	Record low minimum temperature	-32.2 C (-26.0 F)	35 of 100 (Notable)

Counts by Type and Timescale

1,182 records

Records set or tied on 11 December 1977 by type: Highest daily maximum 60, Lowest daily maximum 379, Highest daily minimum 57, Lowest daily minimum 341, Heaviest daily rainfall 174, Heaviest daily snowfall 24, Deepest snow cover 147.

Records on 11 December 1977 by type
Record type	Records
Highest daily maximum	60
Lowest daily maximum	379
Highest daily minimum	57
Lowest daily minimum	341
Heaviest daily rainfall	174
Heaviest daily snowfall	24
Deepest snow cover	147

Records on 11 December 1977 by timescale: all-time 6, monthly 39, daily 1,137.

How Much Records Were Beaten By

935 broken records

Margins by which the 935 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 406.0. Ties are not counted.

Top 20 by Significance

11 December 1977

Top 20 records on 11 December 1977 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
11 December 1977	Cosamaloapan de Carpio (Smn), MX	all-time rain	214.9 mm (8.5 in)	30.0 mm (1.2 in)	37 years	62 of 100 (Major)
11 December 1977	Kokomo 3 WSW, US	daily snow depth	45.7 cm (18.0 in)	30.5 cm (12.0 in)	63 years	61 of 100 (Major)
11 December 1977	Versailles, US	daily snow depth	30.5 cm (12.0 in)	28.0 cm (11.0 in)	44 years	59 of 100 (Notable)
11 December 1977	Rochester Gtr Intl, US	daily snow depth	53.3 cm (21.0 in)	40.6 cm (16.0 in)	48 years	59 of 100 (Notable)
11 December 1977	Mt Clemens Ang Base, US	daily snow depth	30.5 cm (12.0 in)	17.8 cm (7.0 in)	67 years	57 of 100 (Notable)
11 December 1977	Canton 4 SE, US	daily snow depth	53.3 cm (21.0 in)	27.9 cm (11.0 in)	78 years	55 of 100 (Notable)
11 December 1977	Bremerton, US	daily rain	77.5 mm (3.1 in)	38.1 mm (1.5 in)	56 years	53 of 100 (Notable)
11 December 1977	Warren, US	daily snow depth	38.1 cm (15.0 in)	15.2 cm (6.0 in)	78 years	50 of 100 (Notable)
11 December 1977	Whitestown, US	daily snow depth	27.9 cm (11.0 in)	12.7 cm (5.0 in)	60 years	49 of 100 (Notable)
11 December 1977	Mandan Exp STN, US	daily snow depth	50.8 cm (20.0 in)	33.0 cm (13.0 in)	12 years	49 of 100 (Notable)
11 December 1977	Franklin, US	daily snow depth	40.6 cm (16.0 in)	17.7 cm (7.0 in)	60 years	49 of 100 (Notable)
11 December 1977	Belleville, CA	daily low max	-15.0 C (5.0 F)	5.0 C (9.0 F)	109 years	48 of 100 (Notable)
11 December 1977	S Haven, US	daily snow depth	61.0 cm (24.0 in)	25.4 cm (10.0 in)	40 years	47 of 100 (Notable)
11 December 1977	Jacksonville 2E, US	daily snow depth	15.2 cm (6.0 in)	10.1 cm (4.0 in)	68 years	46 of 100 (Notable)
11 December 1977	Upper Sandusky, US	daily snow depth	48.3 cm (19.0 in)	22.9 cm (9.0 in)	15 years	46 of 100 (Notable)
11 December 1977	Woodstock, CA	daily low min	-24.0 C (-11.2 F)	2.9 C (5.2 F)	100 years	44 of 100 (Notable)
11 December 1977	Pontiac, US	daily snow depth	33.0 cm (13.0 in)	15.2 cm (6.0 in)	44 years	44 of 100 (Notable)
11 December 1977	Tiffin, US	daily snow depth	35.6 cm (14.0 in)	12.7 cm (5.0 in)	63 years	44 of 100 (Notable)
11 December 1977	Farmland 5 NNW, US	daily snow depth	27.9 cm (11.0 in)	22.8 cm (9.0 in)	15 years	43 of 100 (Notable)
11 December 1977	Lewiston, US	daily snow depth	30.5 cm (12.0 in)	30.5 cm (12.0 in)	28 years	43 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 1977

Records set or tied on this calendar date in each year from 1796 to 1977. 1977 had 1,182 records.

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

Records on 12-11 in each year
Year	Records
1796	2
1808	2
1815	2
1825	2
1841	1
1852	1
1855	2
1862	1
1868	1
1869	3
1871	4
1872	1
1876	2
1877	1
1878	2
1879	4
1880	2
1882	3
1886	1
1887	1
1889	1
1891	3
1892	2
1893	3
1894	1
1895	4
1897	2
1898	14
1899	5
1900	4
1901	5
1902	6
1903	2
1904	28
1905	15
1906	12
1907	30
1908	18
1909	7
1910	31
1911	49
1912	36
1913	8
1914	13
1915	93
1916	55
1917	103
1918	32
1919	40
1920	58
1921	49
1922	143
1923	88
1924	84
1925	81
1926	77
1927	232
1928	111
1929	345
1930	72
1931	762
1932	696
1933	260
1934	480
1935	290
1936	357
1937	839
1938	231
1939	626
1940	302
1941	353
1942	263
1943	196
1944	407
1945	234
1946	717
1947	342
1948	153
1949	1,201
1950	463
1951	261
1952	923
1953	157
1954	492
1955	312
1956	300
1957	517
1958	985
1959	322
1960	746
1961	1,300
1962	723
1963	604
1964	542
1965	1,216
1966	525
1967	945
1968	543
1969	587
1970	617
1971	900
1972	1,514
1973	334
1974	313
1975	454
1976	380
1977	1,182
1978	678
1979	847
1980	522
1981	949
1982	657
1983	971
1984	1,013
1985	1,471
1986	561
1987	639
1988	850
1989	584
1990	747
1991	1,102
1992	1,357
1993	749
1994	1,243
1995	1,837
1996	1,307
1997	1,203
1998	1,012
1999	769
2000	1,584
2001	626
2002	1,139
2003	646
2004	1,166
2005	816
2006	858
2007	1,613
2008	1,312
2009	1,091
2010	1,284
2011	416
2012	618
2013	737
2014	893
2015	1,183
2016	489
2017	670
2018	353
2019	442
2020	517
2021	1,175
2022	679
2023	814
2024	539
2025	1,691

Download the Data

Data for records on 1977-12-11: 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	881
100 to 200	41
200 to 300	9
300 to 400	3
400 to 500	1