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, September 1945

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Record Coolest
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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
September 1945 1-Month	64.4°F (18.0°C)	61.7°F (16.5°C)	2.7°F (1.5°C)	110th Coolest	Coolest since: 1944	1918
	64.4°F (18.0°C)	61.7°F (16.5°C)	2.7°F (1.5°C)	19th Warmest	Warmest since: 1931	1961
	Ties: 2007, 2011
Aug–Sep 1945 2-Month	66.2°F (19.0°C)	65.1°F (18.4°C)	1.1°F (0.6°C)	92nd Coolest	Coolest since: 1944	1963
	66.2°F (19.0°C)	65.1°F (18.4°C)	1.1°F (0.6°C)	37th Warmest	Warmest since: 1944	2016
	Ties: 1911, 1921, 1932, 1944
Jul–Sep 1945 3-Month	67.5°F (19.7°C)	66.8°F (19.3°C)	0.7°F (0.4°C)	82nd Coolest	Coolest since: 1943	1924, 1962, 1963, 1976
	67.5°F (19.7°C)	66.8°F (19.3°C)	0.7°F (0.4°C)	47th Warmest	Warmest since: 1944	2016
	Ties: 1908, 1938, 2017
Jun–Sep 1945 4-Month	67.0°F (19.4°C)	66.6°F (19.2°C)	0.4°F (0.2°C)	68th Coolest	Coolest since: 1942	1924
Jun–Sep 1945 4-Month	67.0°F (19.4°C)	66.6°F (19.2°C)	0.4°F (0.2°C)	61st Warmest	Warmest since: 1944	2005, 2016
May–Sep 1945 5-Month	64.5°F (18.1°C)	64.8°F (18.2°C)	-0.3°F (-0.1°C)	44th Coolest	Coolest since: 1940	1924
	64.5°F (18.1°C)	64.8°F (18.2°C)	-0.3°F (-0.1°C)	85th Warmest	Warmest since: 1944	2018
	Ties: 1923, 1968, 2003
Apr–Sep 1945 6-Month	62.2°F (16.8°C)	61.8°F (16.6°C)	0.4°F (0.2°C)	68th Coolest	Coolest since: 1943	1907, 1924
	62.2°F (16.8°C)	61.8°F (16.6°C)	0.4°F (0.2°C)	61st Warmest	Warmest since: 1944	2010
	Ties: 1938, 1947, 1960, 1985
Mar–Sep 1945 7-Month	59.9°F (15.5°C)	58.1°F (14.5°C)	1.8°F (1.0°C)	117th Coolest	Coolest since: 1944	1924
	59.9°F (15.5°C)	58.1°F (14.5°C)	1.8°F (1.0°C)	12th Warmest	Warmest since: 1921	2010
	Ties: 1898, 2019, 2020
Feb–Sep 1945 8-Month	55.8°F (13.2°C)	54.2°F (12.3°C)	1.6°F (0.9°C)	113th Coolest	Coolest since: 1944	1924
	55.8°F (13.2°C)	54.2°F (12.3°C)	1.6°F (0.9°C)	16th Warmest	Warmest since: 1921	2012
	Ties: 1898, 1949, 1999
Jan–Sep 1945 9-Month	51.7°F (10.9°C)	51.0°F (10.6°C)	0.7°F (0.3°C)	85th Coolest	Coolest since: 1943	1940
	51.7°F (10.9°C)	51.0°F (10.6°C)	0.7°F (0.3°C)	44th Warmest	Warmest since: 1944	2012
	Ties: 1922, 1925, 1954, 2001, 2007
Dec 1944–Sep 1945 10-Month	48.9°F (9.4°C)	48.8°F (9.3°C)	0.1°F (0.1°C)	59th Coolest	Coolest since: 1943	1904
	48.9°F (9.4°C)	48.8°F (9.3°C)	0.1°F (0.1°C)	69th Warmest	Warmest since: 1944	2012
	Ties: 2015
Nov 1944–Sep 1945 11-Month	48.1°F (8.9°C)	47.9°F (8.8°C)	0.2°F (0.1°C)	62nd Coolest	Coolest since: 1943	1904
	48.1°F (8.9°C)	47.9°F (8.8°C)	0.2°F (0.1°C)	66th Warmest	Warmest since: 1944	2012
	Ties: 1896, 1908
Oct 1944–Sep 1945 12-Month	48.2°F (9.0°C)	48.1°F (8.9°C)	0.1°F (0.1°C)	56th Coolest	Coolest since: 1943	1904
	48.2°F (9.0°C)	48.1°F (8.9°C)	0.1°F (0.1°C)	72nd Warmest	Warmest since: 1944	2012
	Ties: 1911, 1950, 1975, 1989, 1992, 2001, 2015
Apr 1944–Sep 1945 18-Month	53.2°F (11.8°C)	52.7°F (11.5°C)	0.5°F (0.3°C)	83rd Coolest	Coolest since: 1944	1918
	53.2°F (11.8°C)	52.7°F (11.5°C)	0.5°F (0.3°C)	45th Warmest	Warmest since: 1942	2012
	Ties: 1952, 1974, 2004
Oct 1943–Sep 1945 24-Month	48.3°F (9.1°C)	48.1°F (8.9°C)	0.2°F (0.2°C)	68th Coolest	Coolest since: 1944	1905
	48.3°F (9.1°C)	48.1°F (8.9°C)	0.2°F (0.2°C)	59th Warmest	Warmest since: 1943	2017
	Ties: 1929, 1951, 1989, 2014
Oct 1942–Sep 1945 36-Month	48.1°F (8.9°C)	48.1°F (8.9°C)	0.0°F (0.0°C)	51st Coolest	Coolest since: 1942	1979
	48.1°F (8.9°C)	48.1°F (8.9°C)	0.0°F (0.0°C)	75th Warmest	Warmest since: 1944	2018
	Ties: 1910, 1913
Oct 1941–Sep 1945 48-Month	48.5°F (9.2°C)	48.1°F (8.9°C)	0.4°F (0.3°C)	73rd Coolest	Coolest since: 1944	1907
	48.5°F (9.2°C)	48.1°F (8.9°C)	0.4°F (0.3°C)	52nd Warmest	Warmest since: 1939	2019
	Ties: 1924, 1939, 1975
Oct 1940–Sep 1945 60-Month	48.4°F (9.1°C)	48.1°F (8.9°C)	0.3°F (0.2°C)	72nd Coolest	Coolest since: 1944	1908
	48.4°F (9.1°C)	48.1°F (8.9°C)	0.3°F (0.2°C)	52nd Warmest	Warmest since: 1939	2020
	Ties: 1901, 1922, 1939, 1946, 1975

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published June 2023, retrieved on June 9, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings