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 1908

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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 1908 1-Month	63.5°F (17.5°C)	61.7°F (16.5°C)	1.8°F (1.0°C)	93rd Coolest	Coolest since: 1907	1918
September 1908 1-Month	63.5°F (17.5°C)	61.7°F (16.5°C)	1.8°F (1.0°C)	36th Warmest	Warmest since: 1906	1961
Aug–Sep 1908 2-Month	65.4°F (18.6°C)	65.1°F (18.4°C)	0.3°F (0.2°C)	71st Coolest	Coolest since: 1907	1963
	65.4°F (18.6°C)	65.1°F (18.4°C)	0.3°F (0.2°C)	58th Warmest	Warmest since: 1906	2016
	Ties: 1916, 1920, 1922, 1937, 1948, 1993
Jul–Sep 1908 3-Month	67.5°F (19.7°C)	66.8°F (19.3°C)	0.7°F (0.4°C)	82nd Coolest	Coolest since: 1907	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: 1906	2016
	Ties: 1938, 1945, 2017
Jun–Sep 1908 4-Month	67.3°F (19.6°C)	66.6°F (19.2°C)	0.7°F (0.4°C)	81st Coolest	Coolest since: 1907	1924
	67.3°F (19.6°C)	66.6°F (19.2°C)	0.7°F (0.4°C)	48th Warmest	Warmest since: 1906	2005, 2016
	Ties: 1937, 1947
May–Sep 1908 5-Month	65.7°F (18.7°C)	64.8°F (18.2°C)	0.9°F (0.5°C)	88th Coolest	Coolest since: 1907	1924
	65.7°F (18.7°C)	64.8°F (18.2°C)	0.9°F (0.5°C)	41st Warmest	Warmest since: 1906	2018
	Ties: 1896, 1980, 1988
Apr–Sep 1908 6-Month	62.7°F (17.1°C)	61.8°F (16.6°C)	0.9°F (0.5°C)	87th Coolest	Coolest since: 1907	1907, 1924
	62.7°F (17.1°C)	61.8°F (16.6°C)	0.9°F (0.5°C)	42nd Warmest	Warmest since: 1906	2010
	Ties: 1899, 1952, 1980, 2013
Mar–Sep 1908 7-Month	59.2°F (15.1°C)	58.1°F (14.5°C)	1.1°F (0.6°C)	101st Coolest	Coolest since: 1907	1924
	59.2°F (15.1°C)	58.1°F (14.5°C)	1.1°F (0.6°C)	28th Warmest	Warmest since: 1898	2010
	Ties: 1999
Feb–Sep 1908 8-Month	54.6°F (12.6°C)	54.2°F (12.3°C)	0.4°F (0.3°C)	70th Coolest	Coolest since: 1907	1924
	54.6°F (12.6°C)	54.2°F (12.3°C)	0.4°F (0.3°C)	59th Warmest	Warmest since: 1903	2012
	Ties: 1981
Jan–Sep 1908 9-Month	51.3°F (10.7°C)	51.0°F (10.6°C)	0.3°F (0.1°C)	70th Coolest	Coolest since: 1907	1940
	51.3°F (10.7°C)	51.0°F (10.6°C)	0.3°F (0.1°C)	59th Warmest	Warmest since: 1906	2012
	Ties: 1903, 1993
Dec 1907–Sep 1908 10-Month	49.2°F (9.6°C)	48.8°F (9.3°C)	0.4°F (0.3°C)	76th Coolest	Coolest since: 1907	1904
	49.2°F (9.6°C)	48.8°F (9.3°C)	0.4°F (0.3°C)	52nd Warmest	Warmest since: 1906	2012
	Ties: 1993
Nov 1907–Sep 1908 11-Month	48.1°F (8.9°C)	47.9°F (8.8°C)	0.2°F (0.1°C)	62nd Coolest	Coolest since: 1907	1904
	48.1°F (8.9°C)	47.9°F (8.8°C)	0.2°F (0.1°C)	66th Warmest	Warmest since: 1906	2012
	Ties: 1896, 1945
Oct 1907–Sep 1908 12-Month	47.9°F (8.8°C)	48.1°F (8.9°C)	-0.2°F (-0.1°C)	43rd Coolest	Coolest since: 1907	1904
	47.9°F (8.8°C)	48.1°F (8.9°C)	-0.2°F (-0.1°C)	85th Warmest	Warmest since: 1906	2012
	Ties: 1935, 1943, 1997
Apr 1907–Sep 1908 18-Month	51.6°F (10.9°C)	52.7°F (11.5°C)	-1.1°F (-0.6°C)	8th Coolest	Coolest since: 1905	1918
	51.6°F (10.9°C)	52.7°F (11.5°C)	-1.1°F (-0.6°C)	120th Warmest	Warmest since: 1907	2012
	Ties: 1924, 1940, 1968
Oct 1906–Sep 1908 24-Month	47.2°F (8.4°C)	48.1°F (8.9°C)	-0.9°F (-0.5°C)	12th Coolest	Coolest since: 1905	1905
	47.2°F (8.4°C)	48.1°F (8.9°C)	-0.9°F (-0.5°C)	115th Warmest	Warmest since: 1907	2017
	Ties: 1924, 1926
Oct 1905–Sep 1908 36-Month	47.7°F (8.7°C)	48.1°F (8.9°C)	-0.4°F (-0.2°C)	29th Coolest	Coolest since: 1907	1979
	47.7°F (8.7°C)	48.1°F (8.9°C)	-0.4°F (-0.2°C)	97th Warmest	Warmest since: 1903	2018
	Ties: 1916, 1924, 1936, 1958, 1966, 1972
Oct 1904–Sep 1908 48-Month	47.3°F (8.5°C)	48.1°F (8.9°C)	-0.8°F (-0.4°C)	13th Coolest	Coolest since: 1907	1907
	47.3°F (8.5°C)	48.1°F (8.9°C)	-0.8°F (-0.4°C)	112th Warmest	Warmest since: 1906	2019
	Ties: 1904, 1906, 1965, 1982
Oct 1903–Sep 1908 60-Month	47.0°F (8.3°C)	48.1°F (8.9°C)	-1.1°F (-0.6°C)	1st Coolest	Coolest to Date	1908
Oct 1903–Sep 1908 60-Month	47.0°F (8.3°C)	48.1°F (8.9°C)	-1.1°F (-0.6°C)	123rd Warmest	Warmest since: 1907	2020

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published May 2023, retrieved on May 30, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings