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 2004

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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 2004 1-Month	64.1°F (17.8°C)	61.7°F (16.5°C)	2.4°F (1.3°C)	105th Coolest	Coolest since: 2003	1918
September 2004 1-Month	64.1°F (17.8°C)	61.7°F (16.5°C)	2.4°F (1.3°C)	24th Warmest	Warmest since: 2002	1961
Aug–Sep 2004 2-Month	66.0°F (18.9°C)	65.1°F (18.4°C)	0.9°F (0.5°C)	84th Coolest	Coolest since: 2000	1963
Aug–Sep 2004 2-Month	66.0°F (18.9°C)	65.1°F (18.4°C)	0.9°F (0.5°C)	45th Warmest	Warmest since: 2003	2016
Jul–Sep 2004 3-Month	67.1°F (19.5°C)	66.8°F (19.3°C)	0.3°F (0.2°C)	72nd Coolest	Coolest since: 2001	1924, 1962, 1963, 1976
	67.1°F (19.5°C)	66.8°F (19.3°C)	0.3°F (0.2°C)	57th Warmest	Warmest since: 2003	2016
	Ties: 1926, 1937, 1948, 1978, 2008, 2013
Jun–Sep 2004 4-Month	66.5°F (19.2°C)	66.6°F (19.2°C)	-0.1°F (0.0°C)	47th Coolest	Coolest since: 2000	1924
	66.5°F (19.2°C)	66.6°F (19.2°C)	-0.1°F (0.0°C)	82nd Warmest	Warmest since: 2003	2005, 2016
	Ties: 1910, 1954, 1960, 2014
May–Sep 2004 5-Month	65.9°F (18.8°C)	64.8°F (18.2°C)	1.1°F (0.6°C)	93rd Coolest	Coolest since: 2003	1924
May–Sep 2004 5-Month	65.9°F (18.8°C)	64.8°F (18.2°C)	1.1°F (0.6°C)	36th Warmest	Warmest since: 2002	2018
Apr–Sep 2004 6-Month	63.0°F (17.2°C)	61.8°F (16.6°C)	1.2°F (0.6°C)	99th Coolest	Coolest since: 2003	1907, 1924
Apr–Sep 2004 6-Month	63.0°F (17.2°C)	61.8°F (16.6°C)	1.2°F (0.6°C)	30th Warmest	Warmest since: 2002	2010
Mar–Sep 2004 7-Month	59.6°F (15.3°C)	58.1°F (14.5°C)	1.5°F (0.8°C)	110th Coolest	Coolest since: 2003	1924
	59.6°F (15.3°C)	58.1°F (14.5°C)	1.5°F (0.8°C)	19th Warmest	Warmest since: 2002	2010
	Ties: 2018
Feb–Sep 2004 8-Month	55.5°F (13.1°C)	54.2°F (12.3°C)	1.3°F (0.8°C)	104th Coolest	Coolest since: 2003	1924
	55.5°F (13.1°C)	54.2°F (12.3°C)	1.3°F (0.8°C)	25th Warmest	Warmest since: 2002	2012
	Ties: 1922, 1930, 1953, 2000
Jan–Sep 2004 9-Month	51.6°F (10.9°C)	51.0°F (10.6°C)	0.6°F (0.3°C)	79th Coolest	Coolest since: 2003	1940
	51.6°F (10.9°C)	51.0°F (10.6°C)	0.6°F (0.3°C)	50th Warmest	Warmest since: 2002	2012
	Ties: 1900, 1946, 1957, 1986
Dec 2003–Sep 2004 10-Month	49.5°F (9.7°C)	48.8°F (9.3°C)	0.7°F (0.4°C)	83rd Coolest	Coolest since: 2003	1904
	49.5°F (9.7°C)	48.8°F (9.3°C)	0.7°F (0.4°C)	45th Warmest	Warmest since: 2002	2012
	Ties: 1922, 1944, 1990
Nov 2003–Sep 2004 11-Month	49.1°F (9.5°C)	47.9°F (8.8°C)	1.2°F (0.7°C)	100th Coolest	Coolest since: 2003	1904
	49.1°F (9.5°C)	47.9°F (8.8°C)	1.2°F (0.7°C)	28th Warmest	Warmest since: 2002	2012
	Ties: 1939, 1973, 2011, 2013
Oct 2003–Sep 2004 12-Month	49.0°F (9.4°C)	48.1°F (8.9°C)	0.9°F (0.5°C)	90th Coolest	Coolest since: 2003	1904
	49.0°F (9.4°C)	48.1°F (8.9°C)	0.9°F (0.5°C)	38th Warmest	Warmest since: 2002	2012
	Ties: 1952, 1976
Apr 2003–Sep 2004 18-Month	53.2°F (11.8°C)	52.7°F (11.5°C)	0.5°F (0.3°C)	83rd Coolest	Coolest since: 2003	1918
	53.2°F (11.8°C)	52.7°F (11.5°C)	0.5°F (0.3°C)	45th Warmest	Warmest since: 2002	2012
	Ties: 1945, 1952, 1974
Oct 2002–Sep 2004 24-Month	48.2°F (9.0°C)	48.1°F (8.9°C)	0.1°F (0.1°C)	54th Coolest	Coolest since: 1997	1905
	48.2°F (9.0°C)	48.1°F (8.9°C)	0.1°F (0.1°C)	73rd Warmest	Warmest since: 2003	2017
	Ties: 1900, 1910, 1923, 1946, 1958, 1960, 1983, 1985, 1993
Oct 2001–Sep 2004 36-Month	49.4°F (9.7°C)	48.1°F (8.9°C)	1.3°F (0.8°C)	109th Coolest	Coolest since: 2003	1979
	49.4°F (9.7°C)	48.1°F (8.9°C)	1.3°F (0.8°C)	17th Warmest	Warmest since: 2002	2018
	Ties: 1932, 1955, 1991, 1992, 2001, 2010
Oct 2000–Sep 2004 48-Month	49.1°F (9.5°C)	48.1°F (8.9°C)	1.0°F (0.6°C)	99th Coolest	Coolest since: 1999	1907
	49.1°F (9.5°C)	48.1°F (8.9°C)	1.0°F (0.6°C)	26th Warmest	Warmest since: 2003	2019
	Ties: 1934, 1992, 1993, 1999
Oct 1999–Sep 2004 60-Month	49.2°F (9.6°C)	48.1°F (8.9°C)	1.1°F (0.7°C)	103rd Coolest	Coolest since: 2000	1908
	49.2°F (9.6°C)	48.1°F (8.9°C)	1.1°F (0.7°C)	21st Warmest	Warmest since: 2003	2020
	Ties: 1991, 1999, 2000, 2005, 2007

Citing This Page

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