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 1940

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
December 1940 1-Month	33.1°F (0.6°C)	28.9°F (-1.7°C)	4.2°F (2.3°C)	107th Coolest	Coolest since: 1939	1989
	33.1°F (0.6°C)	28.9°F (-1.7°C)	4.2°F (2.3°C)	22nd Warmest	Warmest since: 1931	2015
	Ties: 1941, 1965
Nov–Dec 1940 2-Month	35.8°F (2.1°C)	34.2°F (1.2°C)	1.6°F (0.9°C)	87th Coolest	Coolest since: 1939	1917
	35.8°F (2.1°C)	34.2°F (1.2°C)	1.6°F (0.9°C)	42nd Warmest	Warmest since: 1931	2015
	Ties: 1896
Oct–Dec 1940 3-Month	39.6°F (4.2°C)	39.7°F (4.3°C)	-0.1°F (-0.1°C)	57th Coolest	Coolest since: 1937	1917
	39.6°F (4.2°C)	39.7°F (4.3°C)	-0.1°F (-0.1°C)	72nd Warmest	Warmest since: 1939	2015
	Ties: 1952
Sep–Dec 1940 4-Month	44.4°F (6.9°C)	45.1°F (7.3°C)	-0.7°F (-0.4°C)	32nd Coolest	Coolest since: 1937	1917
	44.4°F (6.9°C)	45.1°F (7.3°C)	-0.7°F (-0.4°C)	97th Warmest	Warmest since: 1939	2015
	Ties: 1933, 1945, 1951, 1963, 1993
Aug–Dec 1940 5-Month	48.8°F (9.3°C)	49.7°F (9.8°C)	-0.9°F (-0.5°C)	24th Coolest	Coolest since: 1937	1917
	48.8°F (9.3°C)	49.7°F (9.8°C)	-0.9°F (-0.5°C)	105th Warmest	Warmest since: 1939	2015
	Ties: 1935
Jul–Dec 1940 6-Month	52.4°F (11.3°C)	53.2°F (11.8°C)	-0.8°F (-0.5°C)	23rd Coolest	Coolest since: 1937	1976
	52.4°F (11.3°C)	53.2°F (11.8°C)	-0.8°F (-0.5°C)	106th Warmest	Warmest since: 1939	1931, 2015
	Ties: 1929, 1937
Jun–Dec 1940 7-Month	54.3°F (12.4°C)	55.0°F (12.8°C)	-0.7°F (-0.4°C)	24th Coolest	Coolest since: 1929	1917
	54.3°F (12.4°C)	55.0°F (12.8°C)	-0.7°F (-0.4°C)	105th Warmest	Warmest since: 1939	2015
	Ties: 1929, 1974
May–Dec 1940 8-Month	54.7°F (12.6°C)	55.4°F (13.0°C)	-0.7°F (-0.4°C)	27th Coolest	Coolest since: 1935	1917
	54.7°F (12.6°C)	55.4°F (13.0°C)	-0.7°F (-0.4°C)	102nd Warmest	Warmest since: 1939	2015
	Ties: 1966, 1969, 1972
Apr–Dec 1940 9-Month	53.4°F (11.9°C)	54.5°F (12.5°C)	-1.1°F (-0.6°C)	15th Coolest	Coolest since: 1935	1917
	53.4°F (11.9°C)	54.5°F (12.5°C)	-1.1°F (-0.6°C)	114th Warmest	Warmest since: 1939	2015
	Ties: 1909, 1910, 1925, 1935
Mar–Dec 1940 10-Month	51.0°F (10.6°C)	52.6°F (11.4°C)	-1.6°F (-0.8°C)	8th Coolest	Coolest since: 1926	1917
	51.0°F (10.6°C)	52.6°F (11.4°C)	-1.6°F (-0.8°C)	121st Warmest	Warmest since: 1939	2021
	Ties: 1958, 1960
Feb–Dec 1940 11-Month	48.7°F (9.3°C)	50.2°F (10.1°C)	-1.5°F (-0.8°C)	9th Coolest	Coolest since: 1926	1917
Feb–Dec 1940 11-Month	48.7°F (9.3°C)	50.2°F (10.1°C)	-1.5°F (-0.8°C)	120th Warmest	Warmest since: 1939	2012
Jan–Dec 1940 12-Month	46.0°F (7.8°C)	48.1°F (8.9°C)	-2.1°F (-1.1°C)	3rd Coolest	Coolest since: 1924	1917
	46.0°F (7.8°C)	48.1°F (8.9°C)	-2.1°F (-1.1°C)	126th Warmest	Warmest since: 1939	1998, 2012
	Ties: 1924
Jul 1939–Dec 1940 18-Month	48.6°F (9.2°C)	49.8°F (9.9°C)	-1.2°F (-0.7°C)	8th Coolest	Coolest since: 1926	1904
	48.6°F (9.2°C)	49.8°F (9.9°C)	-1.2°F (-0.7°C)	120th Warmest	Warmest since: 1939	2012
	Ties: 1924, 1958
Jan 1939–Dec 1940 24-Month	47.6°F (8.7°C)	48.2°F (9.0°C)	-0.6°F (-0.3°C)	27th Coolest	Coolest since: 1927	1905
	47.6°F (8.7°C)	48.2°F (9.0°C)	-0.6°F (-0.3°C)	101st Warmest	Warmest since: 1939	2021
	Ties: 1903, 1916, 1961, 1969
Jan 1938–Dec 1940 36-Month	48.2°F (9.0°C)	48.2°F (9.0°C)	0.0°F (0.0°C)	58th Coolest	Coolest since: 1937	1905, 1926
	48.2°F (9.0°C)	48.2°F (9.0°C)	0.0°F (0.0°C)	69th Warmest	Warmest since: 1939	2012
	Ties: 1911, 1930, 1943, 1989, 1995
Jan 1937–Dec 1940 48-Month	48.2°F (9.0°C)	48.1°F (8.9°C)	0.1°F (0.1°C)	53rd Coolest	Coolest since: 1938	1907
	48.2°F (9.0°C)	48.1°F (8.9°C)	0.1°F (0.1°C)	73rd Warmest	Warmest since: 1939	2021, 2022
	Ties: 1914, 1930, 1936, 1938
Jan 1936–Dec 1940 60-Month	48.1°F (8.9°C)	48.1°F (8.9°C)	0.0°F (0.0°C)	46th Coolest	Coolest since: 1930	1905, 1907
	48.1°F (8.9°C)	48.1°F (8.9°C)	0.0°F (0.0°C)	79th Warmest	Warmest since: 1939	2020, 2021
	Ties: 1914, 1915, 1924, 1958, 1973, 1997

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on February 5, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings