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 1997

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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
December 1997 1-Month	32.1°F (0.1°C)	28.9°F (-1.7°C)	3.2°F (1.8°C)	97th Coolest	Coolest since: 1995	1989
	32.1°F (0.1°C)	28.9°F (-1.7°C)	3.2°F (1.8°C)	32nd Warmest	Warmest since: 1996	2015
	Ties: 2020
Nov–Dec 1997 2-Month	34.8°F (1.6°C)	34.1°F (1.2°C)	0.7°F (0.4°C)	69th Coolest	Coolest since: 1996	1917
	34.8°F (1.6°C)	34.1°F (1.2°C)	0.7°F (0.4°C)	60th Warmest	Warmest since: 1994	2015
	Ties: 1911, 2008
Oct–Dec 1997 3-Month	40.0°F (4.4°C)	39.6°F (4.2°C)	0.4°F (0.2°C)	67th Coolest	Coolest since: 1996	1917
Oct–Dec 1997 3-Month	40.0°F (4.4°C)	39.6°F (4.2°C)	0.4°F (0.2°C)	62nd Warmest	Warmest since: 1994	2015
Sep–Dec 1997 4-Month	45.1°F (7.3°C)	45.2°F (7.3°C)	-0.1°F (0.0°C)	48th Coolest	Coolest since: 1995	1917
	45.1°F (7.3°C)	45.2°F (7.3°C)	-0.1°F (0.0°C)	81st Warmest	Warmest since: 1996	2015
	Ties: 1898, 1952
Aug–Dec 1997 5-Month	49.4°F (9.7°C)	49.8°F (9.9°C)	-0.4°F (-0.2°C)	38th Coolest	Coolest since: 1995	1917
	49.4°F (9.7°C)	49.8°F (9.9°C)	-0.4°F (-0.2°C)	91st Warmest	Warmest since: 1996	2015
	Ties: 1896, 1916, 1964, 1974, 1995
Jul–Dec 1997 6-Month	52.8°F (11.6°C)	53.2°F (11.8°C)	-0.4°F (-0.2°C)	31st Coolest	Coolest since: 1992	1976
	52.8°F (11.6°C)	53.2°F (11.8°C)	-0.4°F (-0.2°C)	98th Warmest	Warmest since: 1996	1931, 2015
	Ties: 1919, 1935, 1944, 1966, 1972, 1974, 1980
Jun–Dec 1997 7-Month	54.7°F (12.6°C)	55.1°F (12.8°C)	-0.4°F (-0.2°C)	34th Coolest	Coolest since: 1992	1917
	54.7°F (12.6°C)	55.1°F (12.8°C)	-0.4°F (-0.2°C)	95th Warmest	Warmest since: 1996	2015
	Ties: 1896, 1943
May–Dec 1997 8-Month	54.4°F (12.4°C)	55.4°F (13.0°C)	-1.0°F (-0.6°C)	20th Coolest	Coolest since: 1992	1917
	54.4°F (12.4°C)	55.4°F (13.0°C)	-1.0°F (-0.6°C)	109th Warmest	Warmest since: 1996	2015
	Ties: 1945
Apr–Dec 1997 9-Month	53.3°F (11.8°C)	54.4°F (12.4°C)	-1.1°F (-0.6°C)	13th Coolest	Coolest since: 1992	1917
	53.3°F (11.8°C)	54.4°F (12.4°C)	-1.1°F (-0.6°C)	116th Warmest	Warmest since: 1996	2015
	Ties: 1962
Mar–Dec 1997 10-Month	51.8°F (11.0°C)	52.6°F (11.4°C)	-0.8°F (-0.4°C)	20th Coolest	Coolest since: 1992	1917
	51.8°F (11.0°C)	52.6°F (11.4°C)	-0.8°F (-0.4°C)	109th Warmest	Warmest since: 1996	2021
	Ties: 1914, 1915, 1925
Feb–Dec 1997 11-Month	50.0°F (10.0°C)	50.2°F (10.1°C)	-0.2°F (-0.1°C)	46th Coolest	Coolest since: 1996	1917
	50.0°F (10.0°C)	50.2°F (10.1°C)	-0.2°F (-0.1°C)	83rd Warmest	Warmest since: 1995	2012
	Ties: 1964, 2014
Jan–Dec 1997 12-Month	48.0°F (8.9°C)	48.1°F (8.9°C)	-0.1°F (0.0°C)	51st Coolest	Coolest since: 1996	1917
	48.0°F (8.9°C)	48.1°F (8.9°C)	-0.1°F (0.0°C)	78th Warmest	Warmest since: 1995	1998, 2012
	Ties: 1896, 1961, 1964, 1994, 2003
Jul 1996–Dec 1997 18-Month	49.7°F (9.8°C)	49.8°F (9.9°C)	-0.1°F (-0.1°C)	49th Coolest	Coolest since: 1996	1904
	49.7°F (9.8°C)	49.8°F (9.9°C)	-0.1°F (-0.1°C)	79th Warmest	Warmest since: 1995	2012
	Ties: 1934, 1945
Jan 1996–Dec 1997 24-Month	47.8°F (8.8°C)	48.1°F (8.9°C)	-0.3°F (-0.1°C)	35th Coolest	Coolest since: 1989	1905
	47.8°F (8.8°C)	48.1°F (8.9°C)	-0.3°F (-0.1°C)	93rd Warmest	Warmest since: 1996	2021
	Ties: 1910, 1935, 1959, 1965, 1970, 1989
Jan 1995–Dec 1997 36-Month	48.0°F (8.9°C)	48.1°F (8.9°C)	-0.1°F (0.0°C)	42nd Coolest	Coolest since: 1996	1905, 1926
	48.0°F (8.9°C)	48.1°F (8.9°C)	-0.1°F (0.0°C)	85th Warmest	Warmest since: 1996	2012
	Ties: 1902, 1910, 1920, 1941, 1976, 1983, 1994, 1996
Jan 1994–Dec 1997 48-Month	48.0°F (8.9°C)	48.1°F (8.9°C)	-0.1°F (0.0°C)	43rd Coolest	Coolest since: 1983	1907
	48.0°F (8.9°C)	48.1°F (8.9°C)	-0.1°F (0.0°C)	83rd Warmest	Warmest since: 1996	2021, 2022
	Ties: 1898, 1902, 1916, 1959
Jan 1993–Dec 1997 60-Month	48.1°F (8.9°C)	48.1°F (8.9°C)	0.0°F (0.0°C)	46th Coolest	Coolest since: 1996	1905, 1907
	48.1°F (8.9°C)	48.1°F (8.9°C)	0.0°F (0.0°C)	79th Warmest	Warmest since: 1995	2020, 2021
	Ties: 1914, 1915, 1924, 1940, 1958, 1973

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published March 2023, retrieved on March 31, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings