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 1913

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
September 1913 1-Month	60.2°F (15.7°C)	61.7°F (16.5°C)	-1.5°F (-0.8°C)	25th Coolest	Coolest since: 1899	1918
	60.2°F (15.7°C)	61.7°F (16.5°C)	-1.5°F (-0.8°C)	104th Warmest	Warmest since: 1912	1961
	Ties: 1981
Aug–Sep 1913 2-Month	64.4°F (18.0°C)	65.0°F (18.3°C)	-0.6°F (-0.3°C)	35th Coolest	Coolest since: 1909	1963
	64.4°F (18.0°C)	65.0°F (18.3°C)	-0.6°F (-0.3°C)	94th Warmest	Warmest since: 1912	2016
	Ties: 1918, 1929, 1943, 1951, 1957, 1984
Jul–Sep 1913 3-Month	66.3°F (19.1°C)	66.9°F (19.4°C)	-0.6°F (-0.3°C)	36th Coolest	Coolest since: 1912	1924, 1962, 1963, 1976
	66.3°F (19.1°C)	66.9°F (19.4°C)	-0.6°F (-0.3°C)	93rd Warmest	Warmest since: 1912	2016
	Ties: 1897, 1912, 1954, 1986, 1990, 1994
Jun–Sep 1913 4-Month	66.2°F (19.0°C)	66.6°F (19.2°C)	-0.4°F (-0.2°C)	40th Coolest	Coolest since: 1912	1924
	66.2°F (19.0°C)	66.6°F (19.2°C)	-0.4°F (-0.2°C)	89th Warmest	Warmest since: 1911	2005, 2016
	Ties: 1896, 1981, 1986, 1990
May–Sep 1913 5-Month	64.4°F (18.0°C)	64.8°F (18.2°C)	-0.4°F (-0.2°C)	37th Coolest	Coolest since: 1912	1924
	64.4°F (18.0°C)	64.8°F (18.2°C)	-0.4°F (-0.2°C)	92nd Warmest	Warmest since: 1912	2018
	Ties: 1912, 1960, 1981, 1985, 1996, 2000
Apr–Sep 1913 6-Month	61.8°F (16.6°C)	61.9°F (16.6°C)	-0.1°F (0.0°C)	47th Coolest	Coolest since: 1912	1907, 1924
	61.8°F (16.6°C)	61.9°F (16.6°C)	-0.1°F (0.0°C)	82nd Warmest	Warmest since: 1912	2010
	Ties: 1912, 1916, 1932, 2009
Mar–Sep 1913 7-Month	58.7°F (14.8°C)	58.2°F (14.6°C)	0.5°F (0.2°C)	78th Coolest	Coolest since: 1912	1924
	58.7°F (14.8°C)	58.2°F (14.6°C)	0.5°F (0.2°C)	51st Warmest	Warmest since: 1911	2010
	Ties: 1901, 1952, 1957, 2008
Feb–Sep 1913 8-Month	54.4°F (12.4°C)	54.1°F (12.3°C)	0.3°F (0.1°C)	67th Coolest	Coolest since: 1912	1924
	54.4°F (12.4°C)	54.1°F (12.3°C)	0.3°F (0.1°C)	62nd Warmest	Warmest since: 1911	2012
	Ties: 1951
Jan–Sep 1913 9-Month	52.2°F (11.2°C)	51.0°F (10.6°C)	1.2°F (0.6°C)	100th Coolest	Coolest since: 1912	1940
	52.2°F (11.2°C)	51.0°F (10.6°C)	1.2°F (0.6°C)	29th Warmest	Warmest since: 1911	2012
	Ties: 1911, 1930, 1931, 1939, 1987
Dec 1912–Sep 1913 10-Month	50.2°F (10.1°C)	48.8°F (9.3°C)	1.4°F (0.8°C)	102nd Coolest	Coolest since: 1912	1904
	50.2°F (10.1°C)	48.8°F (9.3°C)	1.4°F (0.8°C)	26th Warmest	Warmest since: 1898	2012
	Ties: 1995, 2000, 2013
Nov 1912–Sep 1913 11-Month	49.3°F (9.6°C)	47.9°F (8.8°C)	1.4°F (0.8°C)	102nd Coolest	Coolest since: 1912	1904
	49.3°F (9.6°C)	47.9°F (8.8°C)	1.4°F (0.8°C)	26th Warmest	Warmest since: 1898	2012
	Ties: 2018
Oct 1912–Sep 1913 12-Month	49.5°F (9.7°C)	48.1°F (8.9°C)	1.4°F (0.8°C)	101st Coolest	Coolest since: 1912	1904
	49.5°F (9.7°C)	48.1°F (8.9°C)	1.4°F (0.8°C)	27th Warmest	Warmest since: 1898	2012
	Ties: 1953
Apr 1912–Sep 1913 18-Month	53.6°F (12.0°C)	52.7°F (11.5°C)	0.9°F (0.5°C)	97th Coolest	Coolest since: 1912	1918
	53.6°F (12.0°C)	52.7°F (11.5°C)	0.9°F (0.5°C)	31st Warmest	Warmest since: 1901	2012
	Ties: 1939, 1954, 1955, 1987, 1992
Oct 1911–Sep 1913 24-Month	48.0°F (8.9°C)	48.1°F (8.9°C)	-0.1°F (0.0°C)	45th Coolest	Coolest since: 1912	1905
	48.0°F (8.9°C)	48.1°F (8.9°C)	-0.1°F (0.0°C)	82nd Warmest	Warmest since: 1911	2017
	Ties: 1957
Oct 1910–Sep 1913 36-Month	48.1°F (8.9°C)	48.1°F (8.9°C)	0.0°F (0.0°C)	51st Coolest	Coolest since: 1912	1979
	48.1°F (8.9°C)	48.1°F (8.9°C)	0.0°F (0.0°C)	75th Warmest	Warmest since: 1911	2018
	Ties: 1910, 1945
Oct 1909–Sep 1913 48-Month	48.1°F (8.9°C)	48.1°F (8.9°C)	0.0°F (0.0°C)	47th Coolest	Coolest since: 1912	1907
	48.1°F (8.9°C)	48.1°F (8.9°C)	0.0°F (0.0°C)	78th Warmest	Warmest since: 1911	2019
	Ties: 1911, 1916, 1930, 1946, 1958, 1977
Oct 1908–Sep 1913 60-Month	48.1°F (8.9°C)	48.1°F (8.9°C)	0.0°F (0.0°C)	49th Coolest	Coolest since: 1912	1908
	48.1°F (8.9°C)	48.1°F (8.9°C)	0.0°F (0.0°C)	75th Warmest	Warmest since: 1902	2020
	Ties: 1924, 1938, 1941, 1943, 1996

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on February 6, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings