Weather Records on 7 December 1977

1,369 weather records were set or tied worldwide on 7 December 1977. Highest significance: London Int'l Airport, CA.

Key Facts for 7 December 1977

On 7 December 1977, 1,369 weather records were set or tied at long-record stations worldwide.
198 were record highs and 736 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 33 monthly and 1,334 daily.
London Int'l Airport set an all-time record daily snowfall of 57.0 cm (22.4 in) on 7 December 1977.
Across 157 earlier years (1801 to 2025) the same calendar date averaged 488 records.

Record Map

1,369 stations

1,369 station records on 7 December 1977 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 7 December 1977: highest significance records shown on the map
Station	Country	Type	Value	Significance
London Int'l Airport	Canada	Record daily snowfall	57.0 cm (22.4 in)	65 of 100 (Major)
Crawfordsville Pwr Plt	United States	Record snow depth	35.6 cm (14.0 in)	63 of 100 (Major)
Herefoss	Norway	Record daily precipitation	72.6 mm (2.9 in)	58 of 100 (Notable)
Tasiilaq	Greenland [Denmark]	Record daily precipitation	51.1 mm (2.0 in)	57 of 100 (Notable)
Grindstone Island	Canada	Record daily snowfall	25.5 cm (10.0 in)	54 of 100 (Notable)
Marion 2 N	United States	Record snow depth	25.4 cm (10.0 in)	52 of 100 (Notable)
Whitestown	United States	Record snow depth	20.3 cm (8.0 in)	51 of 100 (Notable)
Lockport 2SE	United States	Record snow depth	50.8 cm (20.0 in)	51 of 100 (Notable)
Bowling Green Wwtp	United States	Record snow depth	25.4 cm (10.0 in)	50 of 100 (Notable)
Moore Haven Lock 1	United States	Record daily precipitation	56.1 mm (2.2 in)	48 of 100 (Notable)
Mandan Exp STN	United States	Record snow depth	45.7 cm (18.0 in)	48 of 100 (Notable)
Huntington	United States	Record snow depth	20.3 cm (8.0 in)	47 of 100 (Notable)
Noblesville River	United States	Record snow depth	22.9 cm (9.0 in)	47 of 100 (Notable)
W Lafayette 6 NW	United States	Record snow depth	25.4 cm (10.0 in)	46 of 100 (Notable)
Gagetown 2	Canada	Record daily snowfall	30.6 cm (12.0 in)	45 of 100 (Notable)
Warren	United States	Record snow depth	40.6 cm (16.0 in)	45 of 100 (Notable)
Plymouth Pwr Substn	United States	Record snow depth	22.9 cm (9.0 in)	43 of 100 (Notable)
Oberlin	United States	Record low minimum temperature	-19.4 C (-2.9 F)	43 of 100 (Notable)
Penn Yan	United States	Record snow depth	25.4 cm (10.0 in)	42 of 100 (Notable)
Meadville 1 S	United States	Record daily snowfall	45.7 cm (18.0 in)	42 of 100 (Notable)
Pouso Redondo	Brazil	Record daily precipitation	60.4 mm (2.4 in)	41 of 100 (Notable)
Greencastle 1 W	United States	Record snow depth	20.3 cm (8.0 in)	41 of 100 (Notable)
Ashland	United States	Record low minimum temperature	-17.2 C (1.0 F)	41 of 100 (Notable)
Austin #2	United States	Record high minimum temperature	5.0 C (41.0 F)	41 of 100 (Notable)
Ft Yates 4 SW	United States	Record daily snowfall	10.2 cm (4.0 in)	41 of 100 (Notable)
Eureka	United States	Record snow depth	50.8 cm (20.0 in)	41 of 100 (Notable)
Morgantown Muni AP	United States	Record low minimum temperature	-15.0 C (5.0 F)	41 of 100 (Notable)
Rantoul	United States	Record low maximum temperature	-17.2 C (1.0 F)	41 of 100 (Notable)
Nanutarra	Australia	Record daily precipitation	32.0 mm (1.3 in)	40 of 100 (Notable)
Grand Falls	Canada	Record daily snowfall	25.9 cm (10.2 in)	40 of 100 (Notable)
Chatham Exp Fa	United States	Record daily snowfall	20.3 cm (8.0 in)	40 of 100 (Notable)
Blackleaf	United States	Record daily snowfall	22.9 cm (9.0 in)	40 of 100 (Notable)
Van Wert 1 S	United States	Record snow depth	25.4 cm (10.0 in)	40 of 100 (Notable)
Cacahoatan	Mexico	Record daily precipitation	59.9 mm (2.4 in)	39 of 100 (Notable)
Farmland 5 NNW	United States	Record low minimum temperature	-20.6 C (-5.1 F)	39 of 100 (Notable)
Vevay	United States	Record low maximum temperature	-7.8 C (18.0 F)	39 of 100 (Notable)
Bolivar	United States	Record daily snowfall	9.9 cm (3.9 in)	39 of 100 (Notable)
Cooperstown	United States	Record snow depth	30.5 cm (12.0 in)	39 of 100 (Notable)
Peru 2 WSW	United States	Record daily snowfall	25.4 cm (10.0 in)	39 of 100 (Notable)
Mont-Aigoual	France	Record daily precipitation	121.0 mm (4.8 in)	38 of 100 (Notable)
Huntington	United States	Record low minimum temperature	-20.0 C (-4.0 F)	38 of 100 (Notable)
Kokomo 3 WSW	United States	Record snow depth	30.5 cm (12.0 in)	38 of 100 (Notable)
Jacksonville 2E	United States	Record snow depth	12.7 cm (5.0 in)	37 of 100 (Notable)
Oolitic Purdue Ex Fm	United States	Record low maximum temperature	-9.4 C (15.1 F)	37 of 100 (Notable)
Montevideo 1SW	United States	Record daily snowfall	10.2 cm (4.0 in)	37 of 100 (Notable)
Jefferson 2 E	United States	Record low maximum temperature	-5.6 C (21.9 F)	37 of 100 (Notable)
Findlay Wpcc	United States	Record low minimum temperature	-20.0 C (-4.0 F)	37 of 100 (Notable)
Greenville Wtp	United States	Record low minimum temperature	-21.7 C (-7.1 F)	37 of 100 (Notable)
Rochester Gtr Intl	United States	Record snow depth	38.1 cm (15.0 in)	37 of 100 (Notable)
Lexington Bluegrass AP	United States	Record low maximum temperature	-8.9 C (16.0 F)	37 of 100 (Notable)
Aleppo	Australia	Record daily precipitation	25.0 mm (1.0 in)	36 of 100 (Notable)
Praia Grande (Parana)	Brazil	Record daily precipitation	51.1 mm (2.0 in)	36 of 100 (Notable)
Empress	Canada	Record daily snowfall	7.0 cm (2.8 in)	36 of 100 (Notable)
Berne Wwtp	United States	Record snow depth	25.4 cm (10.0 in)	36 of 100 (Notable)
Newport	United States	Record daily snowfall	16.5 cm (6.5 in)	36 of 100 (Notable)
Ohotsk	Russia	Record high minimum temperature	-1.9 C (28.6 F)	35 of 100 (Notable)
Rangely 1E	United States	Record high maximum temperature	13.3 C (55.9 F)	35 of 100 (Notable)
Valparaiso Wtr Wks	United States	Record low minimum temperature	-20.0 C (-4.0 F)	35 of 100 (Notable)
Lawrence	United States	Record snow depth	17.8 cm (7.0 in)	35 of 100 (Notable)
South Edwards 1 E	United States	Record daily snowfall	15.2 cm (6.0 in)	35 of 100 (Notable)

Counts by Type and Timescale

1,369 records

Records set or tied on 7 December 1977 by type: Highest daily maximum 105, Lowest daily maximum 354, Highest daily minimum 93, Lowest daily minimum 382, Heaviest daily rainfall 163, Heaviest daily snowfall 115, Deepest snow cover 157.

Records on 7 December 1977 by type
Record type	Records
Highest daily maximum	105
Lowest daily maximum	354
Highest daily minimum	93
Lowest daily minimum	382
Heaviest daily rainfall	163
Heaviest daily snowfall	115
Deepest snow cover	157

Records on 7 December 1977 by timescale: all-time 2, monthly 33, daily 1,334.

How Much Records Were Beaten By

1,099 broken records

Margins by which the 1,099 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 305.0. Ties are not counted.

Top 20 by Significance

7 December 1977

Top 20 records on 7 December 1977 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
7 December 1977	London Int'l Airport, CA	all-time snowfall	57.0 cm (22.4 in)	16.4 cm (6.5 in)	7 years	65 of 100 (Major)
7 December 1977	Crawfordsville Pwr Plt, US	daily snow depth	35.6 cm (14.0 in)	30.5 cm (12.0 in)	52 years	63 of 100 (Major)
7 December 1977	Herefoss, NO	daily rain	72.6 mm (2.9 in)	39.4 mm (1.6 in)	48 years	58 of 100 (Notable)
7 December 1977	Tasiilaq, GL	daily rain	51.1 mm (2.0 in)	30.1 mm (1.2 in)	44 years	57 of 100 (Notable)
7 December 1977	Grindstone Island, CA	daily snowfall	25.5 cm (10.0 in)	10.3 cm (4.1 in)	86 years	54 of 100 (Notable)
7 December 1977	Marion 2 N, US	daily snow depth	25.4 cm (10.0 in)	15.2 cm (6.0 in)	68 years	52 of 100 (Notable)
7 December 1977	Whitestown, US	daily snow depth	20.3 cm (8.0 in)	12.7 cm (5.0 in)	68 years	51 of 100 (Notable)
7 December 1977	Lockport 2SE, US	daily snow depth	50.8 cm (20.0 in)	30.5 cm (12.0 in)	51 years	51 of 100 (Notable)
7 December 1977	Bowling Green Wwtp, US	monthly snow depth	25.4 cm (10.0 in)	5.1 cm (2.0 in)	70 years	50 of 100 (Notable)
7 December 1977	Moore Haven Lock 1, US	daily rain	56.1 mm (2.2 in)	40.4 mm (1.6 in)	27 years	48 of 100 (Notable)
7 December 1977	Mandan Exp STN, US	daily snow depth	45.7 cm (18.0 in)	25.4 cm (10.0 in)	12 years	48 of 100 (Notable)
7 December 1977	Huntington, US	daily snow depth	20.3 cm (8.0 in)	10.1 cm (4.0 in)	68 years	47 of 100 (Notable)
7 December 1977	Noblesville River, US	daily snow depth	22.9 cm (9.0 in)	17.8 cm (7.0 in)	35 years	47 of 100 (Notable)
7 December 1977	W Lafayette 6 NW, US	daily snow depth	25.4 cm (10.0 in)	15.2 cm (6.0 in)	68 years	46 of 100 (Notable)
7 December 1977	Gagetown 2, CA	daily snowfall	30.6 cm (12.0 in)	20.4 cm (8.0 in)	36 years	45 of 100 (Notable)
7 December 1977	Warren, US	daily snow depth	40.6 cm (16.0 in)	20.3 cm (8.0 in)	36 years	45 of 100 (Notable)
7 December 1977	Plymouth Pwr Substn, US	daily snow depth	22.9 cm (9.0 in)	10.2 cm (4.0 in)	68 years	43 of 100 (Notable)
7 December 1977	Oberlin, US	daily low min	-19.4 C (-2.9 F)	6.1 C (11.0 F)	83 years	43 of 100 (Notable)
7 December 1977	Penn Yan, US	daily snow depth	25.4 cm (10.0 in)	7.6 cm (3.0 in)	78 years	42 of 100 (Notable)
7 December 1977	Meadville 1 S, US	monthly snowfall	45.7 cm (18.0 in)	8.9 cm (3.5 in)	32 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

1801 to 1977

Records set or tied on this calendar date in each year from 1801 to 1977. 1977 had 1,369 records.

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

Records on 12-07 in each year
Year	Records
1801	1
1805	1
1812	2
1815	1
1825	2
1832	1
1836	1
1839	1
1844	4
1848	3
1852	1
1856	3
1863	1
1866	1
1868	5
1871	5
1875	6
1879	5
1881	1
1884	2
1885	1
1889	1
1890	2
1891	3
1892	1
1893	5
1894	1
1895	1
1896	8
1897	4
1898	10
1899	3
1900	2
1901	9
1902	16
1903	9
1904	7
1905	3
1906	21
1907	4
1908	24
1909	21
1910	26
1911	7
1912	21
1913	19
1914	32
1915	53
1916	36
1917	52
1918	30
1919	38
1920	81
1921	39
1922	272
1923	128
1924	374
1925	119
1926	372
1927	404
1928	105
1929	146
1930	534
1931	180
1932	555
1933	130
1934	274
1935	270
1936	602
1937	890
1938	279
1939	780
1940	145
1941	139
1942	526
1943	199
1944	357
1945	240
1946	855
1947	240
1948	320
1949	187
1950	1,472
1951	1,751
1952	447
1953	673
1954	445
1955	195
1956	1,358
1957	589
1958	831
1959	539
1960	561
1961	206
1962	642
1963	436
1964	467
1965	476
1966	1,047
1967	386
1968	461
1969	952
1970	724
1971	854
1972	2,239
1973	448
1974	508
1975	404
1976	1,037
1977	1,369
1978	1,882
1979	827
1980	1,314
1981	896
1982	542
1983	957
1984	957
1985	922
1986	1,126
1987	866
1988	582
1989	675
1990	744
1991	698
1992	906
1993	544
1994	1,772
1995	912
1996	1,152
1997	818
1998	2,384
1999	674
2000	1,085
2001	743
2002	917
2003	1,184
2004	1,096
2005	1,433
2006	1,246
2007	1,402
2008	833
2009	972
2010	1,405
2011	1,507
2012	643
2013	2,119
2014	479
2015	1,079
2016	389
2017	508
2018	558
2019	447
2020	597
2021	547
2022	579
2023	952
2024	712
2025	665

Download the Data

Data for records on 1977-12-07: 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	990
50 to 100	56
100 to 150	31
150 to 200	14
200 to 250	5
250 to 300	1
300 to 350	2