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, May 1939

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
May 1939 1-Month	54.5°F (12.5°C)	51.8°F (11.0°C)	2.7°F (1.5°C)	110th Coolest	Coolest since: 1938	1917
	54.5°F (12.5°C)	51.8°F (11.0°C)	2.7°F (1.5°C)	19th Warmest	Warmest since: 1936	1934
	Ties: 2009
Apr–May 1939 2-Month	49.4°F (9.7°C)	47.1°F (8.4°C)	2.3°F (1.3°C)	108th Coolest	Coolest since: 1938	1917
	49.4°F (9.7°C)	47.1°F (8.4°C)	2.3°F (1.3°C)	21st Warmest	Warmest since: 1936	1934
	Ties: 1936, 1943, 1977, 1994
Mar–May 1939 3-Month	44.3°F (6.8°C)	42.7°F (5.9°C)	1.6°F (0.9°C)	100th Coolest	Coolest since: 1938	1917
	44.3°F (6.8°C)	42.7°F (5.9°C)	1.6°F (0.9°C)	29th Warmest	Warmest since: 1936	2012
	Ties: 1996
Feb–May 1939 4-Month	37.7°F (3.2°C)	38.9°F (3.8°C)	-1.2°F (-0.6°C)	29th Coolest	Coolest since: 1933	1917
Feb–May 1939 4-Month	37.7°F (3.2°C)	38.9°F (3.8°C)	-1.2°F (-0.6°C)	100th Warmest	Warmest since: 1938	1934
Jan–May 1939 5-Month	35.1°F (1.7°C)	35.8°F (2.1°C)	-0.7°F (-0.4°C)	38th Coolest	Coolest since: 1937	1917
	35.1°F (1.7°C)	35.8°F (2.1°C)	-0.7°F (-0.4°C)	91st Warmest	Warmest since: 1938	1934
	Ties: 1930, 1932, 1988
Dec 1938–May 1939 6-Month	33.6°F (0.9°C)	34.0°F (1.1°C)	-0.4°F (-0.2°C)	40th Coolest	Coolest since: 1937	1917
	33.6°F (0.9°C)	34.0°F (1.1°C)	-0.4°F (-0.2°C)	88th Warmest	Warmest since: 1938	1934
	Ties: 1923, 1980, 1993
Nov 1938–May 1939 7-Month	32.9°F (0.5°C)	34.0°F (1.1°C)	-1.1°F (-0.6°C)	28th Coolest	Coolest since: 1937	1917
	32.9°F (0.5°C)	34.0°F (1.1°C)	-1.1°F (-0.6°C)	100th Warmest	Warmest since: 1938	1934
	Ties: 1942, 1968, 1993
Oct 1938–May 1939 8-Month	34.9°F (1.6°C)	35.6°F (2.0°C)	-0.7°F (-0.4°C)	37th Coolest	Coolest since: 1937	1917
	34.9°F (1.6°C)	35.6°F (2.0°C)	-0.7°F (-0.4°C)	91st Warmest	Warmest since: 1938	1934
	Ties: 1964, 1993
Sep 1938–May 1939 9-Month	37.5°F (3.1°C)	37.9°F (3.3°C)	-0.4°F (-0.2°C)	37th Coolest	Coolest since: 1937	1917
	37.5°F (3.1°C)	37.9°F (3.3°C)	-0.4°F (-0.2°C)	91st Warmest	Warmest since: 1938	1934
	Ties: 1905, 1932, 1970, 1980
Aug 1938–May 1939 10-Month	40.5°F (4.7°C)	40.7°F (4.8°C)	-0.2°F (-0.1°C)	45th Coolest	Coolest since: 1937	1917
	40.5°F (4.7°C)	40.7°F (4.8°C)	-0.2°F (-0.1°C)	83rd Warmest	Warmest since: 1938	1934
	Ties: 1910, 1916, 1921, 1947, 1970
Jul 1938–May 1939 11-Month	42.8°F (6.0°C)	43.1°F (6.2°C)	-0.3°F (-0.2°C)	41st Coolest	Coolest since: 1937	1917
	42.8°F (6.0°C)	43.1°F (6.2°C)	-0.3°F (-0.2°C)	87th Warmest	Warmest since: 1938	1934
	Ties: 1921, 1928, 1965, 1969, 1971, 1983
Jun 1938–May 1939 12-Month	44.4°F (6.9°C)	44.6°F (7.0°C)	-0.2°F (-0.1°C)	47th Coolest	Coolest since: 1937	1917
	44.4°F (6.9°C)	44.6°F (7.0°C)	-0.2°F (-0.1°C)	81st Warmest	Warmest since: 1938	1934
	Ties: 1918, 1922, 1958, 1969, 1988
Dec 1937–May 1939 18-Month	41.3°F (5.2°C)	41.1°F (5.1°C)	0.2°F (0.1°C)	66th Coolest	Coolest since: 1938	1913
	41.3°F (5.2°C)	41.1°F (5.1°C)	0.2°F (0.1°C)	61st Warmest	Warmest since: 1936	2018
	Ties: 1901, 1922, 1943, 1946
Jun 1937–May 1939 24-Month	45.1°F (7.3°C)	44.6°F (7.0°C)	0.5°F (0.3°C)	80th Coolest	Coolest since: 1938	1913
	45.1°F (7.3°C)	44.6°F (7.0°C)	0.5°F (0.3°C)	47th Warmest	Warmest since: 1936	2018
	Ties: 1956
Jun 1936–May 1939 36-Month	44.8°F (7.1°C)	44.6°F (7.0°C)	0.2°F (0.1°C)	69th Coolest	Coolest since: 1933	1914
	44.8°F (7.1°C)	44.6°F (7.0°C)	0.2°F (0.1°C)	57th Warmest	Warmest since: 1938	2018
	Ties: 1947, 1958, 1959, 1995
Jun 1935–May 1939 48-Month	44.8°F (7.1°C)	44.5°F (6.9°C)	0.3°F (0.2°C)	71st Coolest	Coolest since: 1933	1915
	44.8°F (7.1°C)	44.5°F (6.9°C)	0.3°F (0.2°C)	54th Warmest	Warmest since: 1938	2018
	Ties: 1942, 1958, 1961, 1967, 1987
Jun 1934–May 1939 60-Month	45.1°F (7.3°C)	44.6°F (7.0°C)	0.5°F (0.3°C)	84th Coolest	Coolest since: 1934	1917
	45.1°F (7.3°C)	44.6°F (7.0°C)	0.5°F (0.3°C)	40th Warmest	Warmest since: 1938	2018
	Ties: 1941, 1956, 1981, 1994, 1997

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on February 7, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings