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.

Colorado

Average Temperature Rankings, December 1939

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
December 1939 1-Month	31.4°F (-0.3°C)	25.2°F (-3.8°C)	6.2°F (3.5°C)	124th Coolest	Coolest since: 1938	1909
December 1939 1-Month	31.4°F (-0.3°C)	25.2°F (-3.8°C)	6.2°F (3.5°C)	5th Warmest	Warmest since: 1933	1980
Nov–Dec 1939 2-Month	33.7°F (0.9°C)	29.4°F (-1.4°C)	4.3°F (2.3°C)	123rd Coolest	Coolest since: 1938	1972
	33.7°F (0.9°C)	29.4°F (-1.4°C)	4.3°F (2.3°C)	6th Warmest	Warmest since: 1933	2021
	Ties: 1917, 1965, 1995
Oct–Dec 1939 3-Month	38.1°F (3.4°C)	35.1°F (1.7°C)	3.0°F (1.7°C)	118th Coolest	Coolest since: 1938	1898
Oct–Dec 1939 3-Month	38.1°F (3.4°C)	35.1°F (1.7°C)	3.0°F (1.7°C)	11th Warmest	Warmest since: 1933	2021
Sep–Dec 1939 4-Month	43.7°F (6.5°C)	40.7°F (4.8°C)	3.0°F (1.7°C)	123rd Coolest	Coolest since: 1938	1898
Sep–Dec 1939 4-Month	43.7°F (6.5°C)	40.7°F (4.8°C)	3.0°F (1.7°C)	6th Warmest	Warmest since: 1933	2021
Aug–Dec 1939 5-Month	48.0°F (8.9°C)	45.6°F (7.6°C)	2.4°F (1.3°C)	121st Coolest	Coolest since: 1938	1898
	48.0°F (8.9°C)	45.6°F (7.6°C)	2.4°F (1.3°C)	8th Warmest	Warmest since: 1933	2021
	Ties: 1998
Jul–Dec 1939 6-Month	51.4°F (10.8°C)	49.1°F (9.5°C)	2.3°F (1.3°C)	116th Coolest	Coolest since: 1938	1898, 1912
Jul–Dec 1939 6-Month	51.4°F (10.8°C)	49.1°F (9.5°C)	2.3°F (1.3°C)	13th Warmest	Warmest since: 1933	2021
Jun–Dec 1939 7-Month	52.8°F (11.6°C)	50.9°F (10.5°C)	1.9°F (1.1°C)	114th Coolest	Coolest since: 1938	1912
	52.8°F (11.6°C)	50.9°F (10.5°C)	1.9°F (1.1°C)	15th Warmest	Warmest since: 1934	2021
	Ties: 1934, 1981, 2007, 2022
May–Dec 1939 8-Month	53.1°F (11.7°C)	51.0°F (10.6°C)	2.1°F (1.1°C)	117th Coolest	Coolest since: 1938	1912
	53.1°F (11.7°C)	51.0°F (10.6°C)	2.1°F (1.1°C)	12th Warmest	Warmest since: 1934	2021
	Ties: 2003
Apr–Dec 1939 9-Month	52.1°F (11.2°C)	50.0°F (10.0°C)	2.1°F (1.2°C)	116th Coolest	Coolest since: 1938	1912
	52.1°F (11.2°C)	50.0°F (10.0°C)	2.1°F (1.2°C)	13th Warmest	Warmest since: 1934	2021
	Ties: 1981, 2002
Mar–Dec 1939 10-Month	50.3°F (10.2°C)	48.4°F (9.1°C)	1.9°F (1.1°C)	113th Coolest	Coolest since: 1938	1912
	50.3°F (10.2°C)	48.4°F (9.1°C)	1.9°F (1.1°C)	16th Warmest	Warmest since: 1934	2012
	Ties: 1954, 1977, 2010
Feb–Dec 1939 11-Month	47.3°F (8.5°C)	46.5°F (8.1°C)	0.8°F (0.4°C)	87th Coolest	Coolest since: 1938	1912
	47.3°F (8.5°C)	46.5°F (8.1°C)	0.8°F (0.4°C)	42nd Warmest	Warmest since: 1936	2012, 2017
	Ties: 1990
Jan–Dec 1939 12-Month	45.5°F (7.5°C)	44.6°F (7.0°C)	0.9°F (0.5°C)	92nd Coolest	Coolest since: 1938	1912
	45.5°F (7.5°C)	44.6°F (7.0°C)	0.9°F (0.5°C)	37th Warmest	Warmest since: 1934	2012
	Ties: 1940, 1958
Jul 1938–Dec 1939 18-Month	46.7°F (8.2°C)	46.1°F (7.8°C)	0.6°F (0.4°C)	83rd Coolest	Coolest since: 1937	1912
	46.7°F (8.2°C)	46.1°F (7.8°C)	0.6°F (0.4°C)	45th Warmest	Warmest since: 1938	1934
	Ties: 1902, 1910, 1946, 1959, 1978
Jan 1938–Dec 1939 24-Month	45.3°F (7.4°C)	44.6°F (7.0°C)	0.7°F (0.4°C)	89th Coolest	Coolest since: 1938	1913
	45.3°F (7.4°C)	44.6°F (7.0°C)	0.7°F (0.4°C)	39th Warmest	Warmest since: 1936	2017
	Ties: 1901, 1911, 1936, 1991, 1997
Jan 1937–Dec 1939 36-Month	44.9°F (7.2°C)	44.6°F (7.0°C)	0.3°F (0.2°C)	77th Coolest	Coolest since: 1938	1913, 1914
	44.9°F (7.2°C)	44.6°F (7.0°C)	0.3°F (0.2°C)	50th Warmest	Warmest since: 1938	2017
	Ties: 1937, 1938, 1958, 1964
Jan 1936–Dec 1939 48-Month	45.1°F (7.3°C)	44.6°F (7.0°C)	0.5°F (0.3°C)	80th Coolest	Coolest since: 1938	1915
	45.1°F (7.3°C)	44.6°F (7.0°C)	0.5°F (0.3°C)	46th Warmest	Warmest since: 1937	2018
	Ties: 1940, 1982
Jan 1935–Dec 1939 60-Month	45.1°F (7.3°C)	44.6°F (7.0°C)	0.5°F (0.3°C)	82nd Coolest	Coolest since: 1934	1916
	45.1°F (7.3°C)	44.6°F (7.0°C)	0.5°F (0.3°C)	43rd Warmest	Warmest since: 1938	2018
	Ties: 1934, 1940

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