Statewide Rankings

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Please note, Degree Days and Palmer Indices are not available for Alaska. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Pennsylvania

Average Temperature Rankings, December 1987

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
December 1987 1-Month	32.8°F (0.4°C)	28.9°F (-1.7°C)	3.9°F (2.1°C)	102nd Coolest	Coolest since: 1986	1989
December 1987 1-Month	32.8°F (0.4°C)	28.9°F (-1.7°C)	3.9°F (2.1°C)	27th Warmest	Warmest since: 1984	2015
Nov–Dec 1987 2-Month	37.2°F (2.9°C)	34.1°F (1.2°C)	3.1°F (1.7°C)	110th Coolest	Coolest since: 1986	1917
	37.2°F (2.9°C)	34.1°F (1.2°C)	3.1°F (1.7°C)	19th Warmest	Warmest since: 1984	2015
	Ties: 1941, 1946, 1984
Oct–Dec 1987 3-Month	40.2°F (4.6°C)	39.7°F (4.3°C)	0.5°F (0.3°C)	72nd Coolest	Coolest since: 1986	1917
	40.2°F (4.6°C)	39.7°F (4.3°C)	0.5°F (0.3°C)	57th Warmest	Warmest since: 1986	2015
	Ties: 1965, 1986
Sep–Dec 1987 4-Month	45.6°F (7.6°C)	45.2°F (7.3°C)	0.4°F (0.3°C)	70th Coolest	Coolest since: 1986	1917
	45.6°F (7.6°C)	45.2°F (7.3°C)	0.4°F (0.3°C)	59th Warmest	Warmest since: 1986	2015
	Ties: 1911, 1915, 1936, 1939, 1986, 2013
Aug–Dec 1987 5-Month	50.1°F (10.1°C)	49.8°F (9.9°C)	0.3°F (0.2°C)	61st Coolest	Coolest since: 1986	1917
	50.1°F (10.1°C)	49.8°F (9.9°C)	0.3°F (0.2°C)	68th Warmest	Warmest since: 1985	2015
	Ties: 1899, 1908, 1996
Jul–Dec 1987 6-Month	53.9°F (12.2°C)	53.2°F (11.8°C)	0.7°F (0.4°C)	80th Coolest	Coolest since: 1986	1976
	53.9°F (12.2°C)	53.2°F (11.8°C)	0.7°F (0.4°C)	49th Warmest	Warmest since: 1984	1931, 2015
	Ties: 1906, 1912, 1939
Jun–Dec 1987 7-Month	55.9°F (13.3°C)	55.0°F (12.8°C)	0.9°F (0.5°C)	92nd Coolest	Coolest since: 1986	1917
	55.9°F (13.3°C)	55.0°F (12.8°C)	0.9°F (0.5°C)	37th Warmest	Warmest since: 1984	2015
	Ties: 1911, 1936, 1939
May–Dec 1987 8-Month	56.4°F (13.6°C)	55.4°F (13.0°C)	1.0°F (0.6°C)	95th Coolest	Coolest since: 1986	1917
	56.4°F (13.6°C)	55.4°F (13.0°C)	1.0°F (0.6°C)	34th Warmest	Warmest since: 1982	2015
	Ties: 1921, 1982, 1990
Apr–Dec 1987 9-Month	55.5°F (13.1°C)	54.4°F (12.4°C)	1.1°F (0.7°C)	99th Coolest	Coolest since: 1986	1917
	55.5°F (13.1°C)	54.4°F (12.4°C)	1.1°F (0.7°C)	30th Warmest	Warmest since: 1973	2015
	Ties: 1911, 1973, 1990
Mar–Dec 1987 10-Month	53.9°F (12.2°C)	52.6°F (11.4°C)	1.3°F (0.8°C)	105th Coolest	Coolest since: 1986	1917
	53.9°F (12.2°C)	52.6°F (11.4°C)	1.3°F (0.8°C)	24th Warmest	Warmest since: 1973	2021
	Ties: 1946, 1949, 2017
Feb–Dec 1987 11-Month	51.4°F (10.8°C)	50.2°F (10.1°C)	1.2°F (0.7°C)	100th Coolest	Coolest since: 1986	1917
	51.4°F (10.8°C)	50.2°F (10.1°C)	1.2°F (0.7°C)	29th Warmest	Warmest since: 1973	2012
	Ties: 1922
Jan–Dec 1987 12-Month	49.2°F (9.6°C)	48.1°F (8.9°C)	1.1°F (0.7°C)	100th Coolest	Coolest since: 1986	1917
	49.2°F (9.6°C)	48.1°F (8.9°C)	1.1°F (0.7°C)	29th Warmest	Warmest since: 1973	1998, 2012
	Ties: 1898, 1900, 1932, 1933, 1959
Jul 1986–Dec 1987 18-Month	50.6°F (10.3°C)	49.9°F (9.9°C)	0.7°F (0.4°C)	92nd Coolest	Coolest since: 1986	1904
	50.6°F (10.3°C)	49.9°F (9.9°C)	0.7°F (0.4°C)	36th Warmest	Warmest since: 1983	2012
	Ties: 1900, 1933, 1942, 1983
Jan 1986–Dec 1987 24-Month	49.0°F (9.4°C)	48.1°F (8.9°C)	0.9°F (0.5°C)	95th Coolest	Coolest since: 1986	1905
Jan 1986–Dec 1987 24-Month	49.0°F (9.4°C)	48.1°F (8.9°C)	0.9°F (0.5°C)	33rd Warmest	Warmest since: 1954	2021
Jan 1985–Dec 1987 36-Month	48.8°F (9.3°C)	48.1°F (8.9°C)	0.7°F (0.4°C)	89th Coolest	Coolest since: 1986	1905, 1926
	48.8°F (9.3°C)	48.1°F (8.9°C)	0.7°F (0.4°C)	38th Warmest	Warmest since: 1975	2012
	Ties: 1900, 1922, 1934, 2005
Jan 1984–Dec 1987 48-Month	48.7°F (9.3°C)	48.1°F (8.9°C)	0.6°F (0.4°C)	86th Coolest	Coolest since: 1986	1907
	48.7°F (9.3°C)	48.1°F (8.9°C)	0.6°F (0.4°C)	40th Warmest	Warmest since: 1956	2021, 2022
	Ties: 1921, 1931, 1994
Jan 1983–Dec 1987 60-Month	48.7°F (9.3°C)	48.1°F (8.9°C)	0.6°F (0.4°C)	84th Coolest	Coolest since: 1986	1905, 1907
	48.7°F (9.3°C)	48.1°F (8.9°C)	0.6°F (0.4°C)	41st Warmest	Warmest since: 1957	2020, 2021
	Ties: 1922, 1923, 1931, 1950, 1952

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on February 8, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings