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 2019

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
December 2019 1-Month	32.6°F (0.3°C)	28.9°F (-1.7°C)	3.7°F (2.0°C)	99th Coolest	Coolest since: 2017	1989
December 2019 1-Month	32.6°F (0.3°C)	28.9°F (-1.7°C)	3.7°F (2.0°C)	30th Warmest	Warmest since: 2018	2015
Nov–Dec 2019 2-Month	34.6°F (1.4°C)	34.2°F (1.2°C)	0.4°F (0.2°C)	61st Coolest	Coolest since: 2017	1917
	34.6°F (1.4°C)	34.2°F (1.2°C)	0.4°F (0.2°C)	68th Warmest	Warmest since: 2018	2015
	Ties: 1922, 1959, 1966, 1996
Oct–Dec 2019 3-Month	40.9°F (4.9°C)	39.6°F (4.2°C)	1.3°F (0.7°C)	88th Coolest	Coolest since: 2018	1917
	40.9°F (4.9°C)	39.6°F (4.2°C)	1.3°F (0.7°C)	41st Warmest	Warmest since: 2017	2015
	Ties: 1902, 2022
Sep–Dec 2019 4-Month	47.0°F (8.3°C)	45.2°F (7.3°C)	1.8°F (1.0°C)	103rd Coolest	Coolest since: 2017	1917
	47.0°F (8.3°C)	45.2°F (7.3°C)	1.8°F (1.0°C)	26th Warmest	Warmest since: 2018	2015
	Ties: 1912, 2012
Aug–Dec 2019 5-Month	51.5°F (10.8°C)	49.8°F (9.9°C)	1.7°F (0.9°C)	106th Coolest	Coolest since: 2017	1917
	51.5°F (10.8°C)	49.8°F (9.9°C)	1.7°F (0.9°C)	23rd Warmest	Warmest since: 2018	2015
	Ties: 2012
Jul–Dec 2019 6-Month	55.1°F (12.8°C)	53.2°F (11.8°C)	1.9°F (1.0°C)	113th Coolest	Coolest since: 2017	1976
	55.1°F (12.8°C)	53.2°F (11.8°C)	1.9°F (1.0°C)	16th Warmest	Warmest since: 2018	1931, 2015
	Ties: 1941, 1971
Jun–Dec 2019 7-Month	56.6°F (13.7°C)	55.0°F (12.8°C)	1.6°F (0.9°C)	108th Coolest	Coolest since: 2017	1917
	56.6°F (13.7°C)	55.0°F (12.8°C)	1.6°F (0.9°C)	21st Warmest	Warmest since: 2018	2015
	Ties: 1990, 1991, 1994, 2022
May–Dec 2019 8-Month	57.2°F (14.0°C)	55.4°F (13.0°C)	1.8°F (1.0°C)	114th Coolest	Coolest since: 2017	1917
	57.2°F (14.0°C)	55.4°F (13.0°C)	1.8°F (1.0°C)	15th Warmest	Warmest since: 2018	2015
	Ties: 1959
Apr–Dec 2019 9-Month	56.4°F (13.6°C)	54.4°F (12.4°C)	2.0°F (1.2°C)	117th Coolest	Coolest since: 2018	1917
	56.4°F (13.6°C)	54.4°F (12.4°C)	2.0°F (1.2°C)	12th Warmest	Warmest since: 2016	2015
	Ties: 2010
Mar–Dec 2019 10-Month	54.2°F (12.3°C)	52.5°F (11.4°C)	1.7°F (0.9°C)	114th Coolest	Coolest since: 2018	1917
	54.2°F (12.3°C)	52.5°F (11.4°C)	1.7°F (0.9°C)	15th Warmest	Warmest since: 2016	2021
	Ties: 1973, 2001, 2004
Feb–Dec 2019 11-Month	52.1°F (11.2°C)	50.2°F (10.1°C)	1.9°F (1.1°C)	114th Coolest	Coolest since: 2015	1917
	52.1°F (11.2°C)	50.2°F (10.1°C)	1.9°F (1.1°C)	15th Warmest	Warmest since: 2018	2012
	Ties: 1999, 2001, 2022
Jan–Dec 2019 12-Month	49.9°F (9.9°C)	48.2°F (9.0°C)	1.7°F (0.9°C)	111th Coolest	Coolest since: 2018	1917
	49.9°F (9.9°C)	48.2°F (9.0°C)	1.7°F (0.9°C)	18th Warmest	Warmest since: 2017	1998, 2012
	Ties: 2001
Jul 2018–Dec 2019 18-Month	51.7°F (10.9°C)	49.8°F (9.9°C)	1.9°F (1.0°C)	115th Coolest	Coolest since: 2018	1904
	51.7°F (10.9°C)	49.8°F (9.9°C)	1.9°F (1.0°C)	13th Warmest	Warmest since: 2017	2012
	Ties: 2011
Jan 2018–Dec 2019 24-Month	49.8°F (9.9°C)	48.1°F (8.9°C)	1.7°F (1.0°C)	112th Coolest	Coolest since: 2015	1905
	49.8°F (9.9°C)	48.1°F (8.9°C)	1.7°F (1.0°C)	16th Warmest	Warmest since: 2018	2021
	Ties: 1922, 1932
Jan 2017–Dec 2019 36-Month	50.1°F (10.1°C)	48.1°F (8.9°C)	2.0°F (1.2°C)	119th Coolest	Coolest since: 2016	1905, 1926
	50.1°F (10.1°C)	48.1°F (8.9°C)	2.0°F (1.2°C)	8th Warmest	Warmest since: 2018	2012
	Ties: 2000
Jan 2016–Dec 2019 48-Month	50.3°F (10.2°C)	48.1°F (8.9°C)	2.2°F (1.3°C)	123rd Coolest	Coolest since: 2018	1907
	50.3°F (10.2°C)	48.1°F (8.9°C)	2.2°F (1.3°C)	3rd Warmest	Warmest since: 2013	2021, 2022
	Ties: 2013, 2020
Jan 2015–Dec 2019 60-Month	50.1°F (10.1°C)	48.1°F (8.9°C)	2.0°F (1.2°C)	121st Coolest	Coolest since: 2018	1905, 1907
	50.1°F (10.1°C)	48.1°F (8.9°C)	2.0°F (1.2°C)	4th Warmest	Warmest since: 2002	2020, 2021
	Ties: 2002

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on February 2, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings