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 1947

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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 1947 1-Month	27.9°F (-2.3°C)	28.9°F (-1.7°C)	-1.0°F (-0.6°C)	41st Coolest	Coolest since: 1945	1989
	27.9°F (-2.3°C)	28.9°F (-1.7°C)	-1.0°F (-0.6°C)	88th Warmest	Warmest since: 1946	2015
	Ties: 1934, 1981
Nov–Dec 1947 2-Month	32.2°F (0.1°C)	34.1°F (1.2°C)	-1.9°F (-1.1°C)	24th Coolest	Coolest since: 1945	1917
Nov–Dec 1947 2-Month	32.2°F (0.1°C)	34.1°F (1.2°C)	-1.9°F (-1.1°C)	105th Warmest	Warmest since: 1946	2015
Oct–Dec 1947 3-Month	40.5°F (4.7°C)	39.6°F (4.2°C)	0.9°F (0.5°C)	77th Coolest	Coolest since: 1945	1917
	40.5°F (4.7°C)	39.6°F (4.2°C)	0.9°F (0.5°C)	52nd Warmest	Warmest since: 1946	2015
	Ties: 1922, 2013
Sep–Dec 1947 4-Month	46.1°F (7.8°C)	45.2°F (7.3°C)	0.9°F (0.5°C)	82nd Coolest	Coolest since: 1945	1917
	46.1°F (7.8°C)	45.2°F (7.3°C)	0.9°F (0.5°C)	47th Warmest	Warmest since: 1946	2015
	Ties: 1918, 1965
Aug–Dec 1947 5-Month	51.4°F (10.8°C)	49.8°F (9.9°C)	1.6°F (0.9°C)	104th Coolest	Coolest since: 1946	1917
	51.4°F (10.8°C)	49.8°F (9.9°C)	1.6°F (0.9°C)	25th Warmest	Warmest since: 1941	2015
	Ties: 1982, 2022
Jul–Dec 1947 6-Month	54.3°F (12.4°C)	53.2°F (11.8°C)	1.1°F (0.6°C)	96th Coolest	Coolest since: 1946	1976
	54.3°F (12.4°C)	53.2°F (11.8°C)	1.1°F (0.6°C)	33rd Warmest	Warmest since: 1946	1931, 2015
	Ties: 1946, 2002, 2004, 2017
Jun–Dec 1947 7-Month	55.8°F (13.2°C)	55.1°F (12.8°C)	0.7°F (0.4°C)	88th Coolest	Coolest since: 1946	1917
	55.8°F (13.2°C)	55.1°F (12.8°C)	0.7°F (0.4°C)	41st Warmest	Warmest since: 1946	2015
	Ties: 1906, 1913, 1923, 1946, 1948, 1952, 1982, 2004, 2013
May–Dec 1947 8-Month	55.9°F (13.3°C)	55.4°F (13.0°C)	0.5°F (0.3°C)	77th Coolest	Coolest since: 1945	1917
	55.9°F (13.3°C)	55.4°F (13.0°C)	0.5°F (0.3°C)	52nd Warmest	Warmest since: 1946	2015
	Ties: 1948, 1961
Apr–Dec 1947 9-Month	55.0°F (12.8°C)	54.4°F (12.4°C)	0.6°F (0.4°C)	80th Coolest	Coolest since: 1946	1917
	55.0°F (12.8°C)	54.4°F (12.4°C)	0.6°F (0.4°C)	49th Warmest	Warmest since: 1942	2015
	Ties: 1912, 1933, 1936, 1938, 1942, 1952, 1975, 1977, 1982, 1984, 1985, 1986
Mar–Dec 1947 10-Month	52.5°F (11.4°C)	52.6°F (11.4°C)	-0.1°F (0.0°C)	46th Coolest	Coolest since: 1943	1917
	52.5°F (11.4°C)	52.6°F (11.4°C)	-0.1°F (0.0°C)	83rd Warmest	Warmest since: 1946	2021
	Ties: 1896, 1993, 2000
Feb–Dec 1947 11-Month	49.7°F (9.8°C)	50.2°F (10.1°C)	-0.5°F (-0.3°C)	28th Coolest	Coolest since: 1943	1917
	49.7°F (9.8°C)	50.2°F (10.1°C)	-0.5°F (-0.3°C)	101st Warmest	Warmest since: 1946	2012
	Ties: 1903, 1909, 1910, 1935, 1969, 1979
Jan–Dec 1947 12-Month	48.2°F (9.0°C)	48.1°F (8.9°C)	0.1°F (0.1°C)	68th Coolest	Coolest since: 1945	1917
	48.2°F (9.0°C)	48.1°F (8.9°C)	0.1°F (0.1°C)	61st Warmest	Warmest since: 1946	1998, 2012
	Ties: 1937, 1945, 1948, 1971, 1974, 1984, 1993
Jul 1946–Dec 1947 18-Month	50.2°F (10.1°C)	49.8°F (9.9°C)	0.4°F (0.2°C)	76th Coolest	Coolest since: 1945	1904
	50.2°F (10.1°C)	49.8°F (9.9°C)	0.4°F (0.2°C)	52nd Warmest	Warmest since: 1946	2012
	Ties: 1901, 1937, 1948, 1975
Jan 1946–Dec 1947 24-Month	48.8°F (9.3°C)	48.1°F (8.9°C)	0.7°F (0.4°C)	92nd Coolest	Coolest since: 1946	1905
	48.8°F (9.3°C)	48.1°F (8.9°C)	0.7°F (0.4°C)	36th Warmest	Warmest since: 1946	2021
	Ties: 1921, 1938, 1946, 1955
Jan 1945–Dec 1947 36-Month	48.6°F (9.2°C)	48.1°F (8.9°C)	0.5°F (0.3°C)	79th Coolest	Coolest since: 1945	1905, 1926
	48.6°F (9.2°C)	48.1°F (8.9°C)	0.5°F (0.3°C)	48th Warmest	Warmest since: 1946	2012
	Ties: 1913, 1948, 2015
Jan 1944–Dec 1947 48-Month	48.6°F (9.2°C)	48.1°F (8.9°C)	0.5°F (0.3°C)	82nd Coolest	Coolest since: 1946	1907
	48.6°F (9.2°C)	48.1°F (8.9°C)	0.5°F (0.3°C)	44th Warmest	Warmest since: 1939	2021, 2022
	Ties: 1900, 1923, 1939, 1951, 1957, 1986, 1988
Jan 1943–Dec 1947 60-Month	48.4°F (9.1°C)	48.1°F (8.9°C)	0.3°F (0.2°C)	73rd Coolest	Coolest since: 1946	1905, 1907
	48.4°F (9.1°C)	48.1°F (8.9°C)	0.3°F (0.2°C)	52nd Warmest	Warmest since: 1946	2020, 2021
	Ties: 1936, 1939, 1946, 1975, 1986, 1989

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published March 2023, retrieved on March 22, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings