Statewide Rankings

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Pennsylvania

Average Temperature Rankings, December 1977

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
December 1977 1-Month	26.8°F (-2.9°C)	28.9°F (-1.7°C)	-2.1°F (-1.2°C)	32nd Coolest	Coolest since: 1976	1989
	26.8°F (-2.9°C)	28.9°F (-1.7°C)	-2.1°F (-1.2°C)	97th Warmest	Warmest since: 1975	2015
	Ties: 1901, 1937
Nov–Dec 1977 2-Month	34.4°F (1.3°C)	34.1°F (1.2°C)	0.3°F (0.1°C)	58th Coolest	Coolest since: 1976	1917
Nov–Dec 1977 2-Month	34.4°F (1.3°C)	34.1°F (1.2°C)	0.3°F (0.1°C)	71st Warmest	Warmest since: 1975	2015
Oct–Dec 1977 3-Month	39.1°F (3.9°C)	39.6°F (4.2°C)	-0.5°F (-0.3°C)	45th Coolest	Coolest since: 1976	1917
	39.1°F (3.9°C)	39.6°F (4.2°C)	-0.5°F (-0.3°C)	84th Warmest	Warmest since: 1975	2015
	Ties: 1983
Sep–Dec 1977 4-Month	45.2°F (7.3°C)	45.1°F (7.3°C)	0.1°F (0.0°C)	51st Coolest	Coolest since: 1976	1917
	45.2°F (7.3°C)	45.1°F (7.3°C)	0.1°F (0.0°C)	78th Warmest	Warmest since: 1975	2015
	Ties: 1899, 1930
Aug–Dec 1977 5-Month	49.9°F (9.9°C)	49.8°F (9.9°C)	0.1°F (0.0°C)	54th Coolest	Coolest since: 1976	1917
	49.9°F (9.9°C)	49.8°F (9.9°C)	0.1°F (0.0°C)	75th Warmest	Warmest since: 1975	2015
	Ties: 1897, 1902, 1934
Jul–Dec 1977 6-Month	53.5°F (11.9°C)	53.3°F (11.8°C)	0.2°F (0.1°C)	58th Coolest	Coolest since: 1976	1976
	53.5°F (11.9°C)	53.3°F (11.8°C)	0.2°F (0.1°C)	71st Warmest	Warmest since: 1975	1931, 2015
	Ties: 1897, 1899, 1956, 1978
Jun–Dec 1977 7-Month	54.9°F (12.7°C)	55.1°F (12.8°C)	-0.2°F (-0.1°C)	40th Coolest	Coolest since: 1976	1917
	54.9°F (12.7°C)	55.1°F (12.8°C)	-0.2°F (-0.1°C)	89th Warmest	Warmest since: 1975	2015
	Ties: 1897, 1901, 1902, 1905, 1964, 1965
May–Dec 1977 8-Month	55.6°F (13.1°C)	55.3°F (12.9°C)	0.3°F (0.2°C)	58th Coolest	Coolest since: 1976	1917
	55.6°F (13.1°C)	55.3°F (12.9°C)	0.3°F (0.2°C)	71st Warmest	Warmest since: 1975	2015
	Ties: 1932, 1979, 1988, 1993
Apr–Dec 1977 9-Month	55.0°F (12.8°C)	54.5°F (12.5°C)	0.5°F (0.3°C)	80th Coolest	Coolest since: 1976	1917
	55.0°F (12.8°C)	54.5°F (12.5°C)	0.5°F (0.3°C)	49th Warmest	Warmest since: 1975	2015
	Ties: 1912, 1933, 1936, 1938, 1942, 1947, 1952, 1975, 1982, 1984, 1985, 1986
Mar–Dec 1977 10-Month	53.6°F (12.0°C)	52.6°F (11.4°C)	1.0°F (0.6°C)	96th Coolest	Coolest since: 1976	1917
	53.6°F (12.0°C)	52.6°F (11.4°C)	1.0°F (0.6°C)	33rd Warmest	Warmest since: 1973	2021
	Ties: 1898, 1913
Feb–Dec 1977 11-Month	51.1°F (10.6°C)	50.2°F (10.1°C)	0.9°F (0.5°C)	94th Coolest	Coolest since: 1976	1917
	51.1°F (10.6°C)	50.2°F (10.1°C)	0.9°F (0.5°C)	35th Warmest	Warmest since: 1973	2012
	Ties: 1898, 1939, 1955
Jan–Dec 1977 12-Month	47.9°F (8.8°C)	48.1°F (8.9°C)	-0.2°F (-0.1°C)	43rd Coolest	Coolest since: 1976	1917
	47.9°F (8.8°C)	48.1°F (8.9°C)	-0.2°F (-0.1°C)	86th Warmest	Warmest since: 1975	1998, 2012
	Ties: 1897, 1899, 1909, 1928, 1929, 1956, 1982
Jul 1976–Dec 1977 18-Month	48.3°F (9.1°C)	49.8°F (9.9°C)	-1.5°F (-0.8°C)	5th Coolest	Coolest since: 1963	1904
	48.3°F (9.1°C)	49.8°F (9.9°C)	-1.5°F (-0.8°C)	123rd Warmest	Warmest since: 1976	2012
	Ties: 1905
Jan 1976–Dec 1977 24-Month	47.4°F (8.6°C)	48.2°F (9.0°C)	-0.8°F (-0.4°C)	17th Coolest	Coolest since: 1968	1905
	47.4°F (8.6°C)	48.2°F (9.0°C)	-0.8°F (-0.4°C)	111th Warmest	Warmest since: 1976	2021
	Ties: 1902, 1907, 1915, 1941, 1962, 1966, 1980, 1981
Jan 1975–Dec 1977 36-Month	47.9°F (8.8°C)	48.1°F (8.9°C)	-0.2°F (-0.1°C)	38th Coolest	Coolest since: 1972	1905, 1926
	47.9°F (8.8°C)	48.1°F (8.9°C)	-0.2°F (-0.1°C)	89th Warmest	Warmest since: 1976	2012
	Ties: 1912, 1937, 1971
Jan 1974–Dec 1977 48-Month	47.9°F (8.8°C)	48.1°F (8.9°C)	-0.2°F (-0.1°C)	35th Coolest	Coolest since: 1972	1907
	47.9°F (8.8°C)	48.1°F (8.9°C)	-0.2°F (-0.1°C)	91st Warmest	Warmest since: 1976	2021, 2022
	Ties: 1903, 1912, 1937, 1958, 1960, 1971, 1983
Jan 1973–Dec 1977 60-Month	48.3°F (9.1°C)	48.1°F (8.9°C)	0.2°F (0.2°C)	66th Coolest	Coolest since: 1976	1905, 1907
	48.3°F (9.1°C)	48.1°F (8.9°C)	0.2°F (0.2°C)	59th Warmest	Warmest since: 1975	2020, 2021
	Ties: 1901, 1902, 1941, 1942, 1945, 1974

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on February 1, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings