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 2015

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
December 2015 1-Month	42.3°F (5.7°C)	28.9°F (-1.7°C)	13.4°F (7.4°C)	128th Coolest	Coolest since: 2014	1989
December 2015 1-Month	42.3°F (5.7°C)	28.9°F (-1.7°C)	13.4°F (7.4°C)	1st Warmest	Warmest to Date	2015
Nov–Dec 2015 2-Month	43.9°F (6.6°C)	34.1°F (1.2°C)	9.8°F (5.4°C)	128th Coolest	Coolest since: 2014	1917
Nov–Dec 2015 2-Month	43.9°F (6.6°C)	34.1°F (1.2°C)	9.8°F (5.4°C)	1st Warmest	Warmest to Date	2015
Oct–Dec 2015 3-Month	46.2°F (7.9°C)	39.7°F (4.3°C)	6.5°F (3.6°C)	128th Coolest	Coolest since: 2014	1917
Oct–Dec 2015 3-Month	46.2°F (7.9°C)	39.7°F (4.3°C)	6.5°F (3.6°C)	1st Warmest	Warmest to Date	2015
Sep–Dec 2015 4-Month	51.3°F (10.7°C)	45.2°F (7.3°C)	6.1°F (3.4°C)	128th Coolest	Coolest since: 2014	1917
Sep–Dec 2015 4-Month	51.3°F (10.7°C)	45.2°F (7.3°C)	6.1°F (3.4°C)	1st Warmest	Warmest to Date	2015
Aug–Dec 2015 5-Month	54.8°F (12.7°C)	49.8°F (9.9°C)	5.0°F (2.8°C)	128th Coolest	Coolest since: 2014	1917
Aug–Dec 2015 5-Month	54.8°F (12.7°C)	49.8°F (9.9°C)	5.0°F (2.8°C)	1st Warmest	Warmest to Date	2015
Jul–Dec 2015 6-Month	57.4°F (14.1°C)	53.2°F (11.8°C)	4.2°F (2.3°C)	128th Coolest	Coolest since: 2014	1976
	57.4°F (14.1°C)	53.2°F (11.8°C)	4.2°F (2.3°C)	1st Warmest	Warmest since: 1931	1931, 2015
	Ties: 1931
Jun–Dec 2015 7-Month	58.8°F (14.9°C)	55.1°F (12.8°C)	3.7°F (2.1°C)	128th Coolest	Coolest since: 2014	1917
Jun–Dec 2015 7-Month	58.8°F (14.9°C)	55.1°F (12.8°C)	3.7°F (2.1°C)	1st Warmest	Warmest to Date	2015
May–Dec 2015 8-Month	59.4°F (15.2°C)	55.4°F (13.0°C)	4.0°F (2.2°C)	128th Coolest	Coolest since: 2014	1917
May–Dec 2015 8-Month	59.4°F (15.2°C)	55.4°F (13.0°C)	4.0°F (2.2°C)	1st Warmest	Warmest to Date	2015
Apr–Dec 2015 9-Month	58.1°F (14.5°C)	54.4°F (12.4°C)	3.7°F (2.1°C)	128th Coolest	Coolest since: 2014	1917
Apr–Dec 2015 9-Month	58.1°F (14.5°C)	54.4°F (12.4°C)	3.7°F (2.1°C)	1st Warmest	Warmest to Date	2015
Mar–Dec 2015 10-Month	55.5°F (13.1°C)	52.6°F (11.4°C)	2.9°F (1.7°C)	126th Coolest	Coolest since: 2014	1917
	55.5°F (13.1°C)	52.6°F (11.4°C)	2.9°F (1.7°C)	3rd Warmest	Warmest since: 2012	2021
	Ties: 2016
Feb–Dec 2015 11-Month	51.9°F (11.1°C)	50.2°F (10.1°C)	1.7°F (1.0°C)	109th Coolest	Coolest since: 2014	1917
	51.9°F (11.1°C)	50.2°F (10.1°C)	1.7°F (1.0°C)	20th Warmest	Warmest since: 2012	2012
	Ties: 2002
Jan–Dec 2015 12-Month	49.5°F (9.7°C)	48.2°F (9.0°C)	1.3°F (0.7°C)	105th Coolest	Coolest since: 2014	1917
	49.5°F (9.7°C)	48.2°F (9.0°C)	1.3°F (0.7°C)	24th Warmest	Warmest since: 2012	1998, 2012
	Ties: 1946, 2005, 2007
Jul 2014–Dec 2015 18-Month	50.9°F (10.5°C)	49.9°F (9.9°C)	1.0°F (0.6°C)	102nd Coolest	Coolest since: 2014	1904
	50.9°F (10.5°C)	49.9°F (9.9°C)	1.0°F (0.6°C)	26th Warmest	Warmest since: 2013	2012
	Ties: 1990
Jan 2014–Dec 2015 24-Month	48.4°F (9.1°C)	48.1°F (8.9°C)	0.3°F (0.2°C)	74th Coolest	Coolest since: 2014	1905
	48.4°F (9.1°C)	48.1°F (8.9°C)	0.3°F (0.2°C)	54th Warmest	Warmest since: 2013	2021
	Ties: 1911, 1923, 1956, 1973, 1985
Jan 2013–Dec 2015 36-Month	48.6°F (9.2°C)	48.1°F (8.9°C)	0.5°F (0.3°C)	79th Coolest	Coolest since: 1997	1905, 1926
	48.6°F (9.2°C)	48.1°F (8.9°C)	0.5°F (0.3°C)	48th Warmest	Warmest since: 2014	2012
	Ties: 1913, 1947, 1948
Jan 2012–Dec 2015 48-Month	49.4°F (9.7°C)	48.1°F (8.9°C)	1.3°F (0.8°C)	111th Coolest	Coolest since: 2011	1907
	49.4°F (9.7°C)	48.1°F (8.9°C)	1.3°F (0.8°C)	15th Warmest	Warmest since: 2014	2021, 2022
	Ties: 1933, 2009, 2011
Jan 2011–Dec 2015 60-Month	49.6°F (9.8°C)	48.1°F (8.9°C)	1.5°F (0.9°C)	115th Coolest	Coolest since: 2011	1905, 1907
	49.6°F (9.8°C)	48.1°F (8.9°C)	1.5°F (0.9°C)	10th Warmest	Warmest since: 2014	2020, 2021
	Ties: 2001, 2018

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on January 27, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings