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 1981

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
May 1981 1-Month	50.8°F (10.4°C)	51.8°F (11.0°C)	-1.0°F (-0.6°C)	40th Coolest	Coolest since: 1980	1917
	50.8°F (10.4°C)	51.8°F (11.0°C)	-1.0°F (-0.6°C)	89th Warmest	Warmest since: 1977	1934
	Ties: 2016
Apr–May 1981 2-Month	49.6°F (9.8°C)	47.2°F (8.4°C)	2.4°F (1.4°C)	115th Coolest	Coolest since: 1980	1917
	49.6°F (9.8°C)	47.2°F (8.4°C)	2.4°F (1.4°C)	14th Warmest	Warmest since: 1969	1934
	Ties: 1985, 1996, 2003, 2004
Mar–May 1981 3-Month	44.7°F (7.1°C)	42.7°F (5.9°C)	2.0°F (1.2°C)	106th Coolest	Coolest since: 1980	1917
	44.7°F (7.1°C)	42.7°F (5.9°C)	2.0°F (1.2°C)	23rd Warmest	Warmest since: 1974	2012
	Ties: 1936
Feb–May 1981 4-Month	41.1°F (5.1°C)	38.8°F (3.8°C)	2.3°F (1.3°C)	111th Coolest	Coolest since: 1980	1917
Feb–May 1981 4-Month	41.1°F (5.1°C)	38.8°F (3.8°C)	2.3°F (1.3°C)	18th Warmest	Warmest since: 1972	1934
Jan–May 1981 5-Month	39.1°F (3.9°C)	35.9°F (2.2°C)	3.2°F (1.7°C)	119th Coolest	Coolest since: 1980	1917
	39.1°F (3.9°C)	35.9°F (2.2°C)	3.2°F (1.7°C)	10th Warmest	Warmest since: 1954	1934
	Ties: 2006
Dec 1980–May 1981 6-Month	38.4°F (3.6°C)	34.1°F (1.2°C)	4.3°F (2.4°C)	126th Coolest	Coolest since: 1980	1917
	38.4°F (3.6°C)	34.1°F (1.2°C)	4.3°F (2.4°C)	2nd Warmest	Warmest since: 1934	1934
	Ties: 2000
Nov 1980–May 1981 7-Month	37.9°F (3.3°C)	34.0°F (1.1°C)	3.9°F (2.2°C)	124th Coolest	Coolest since: 1980	1917
Nov 1980–May 1981 7-Month	37.9°F (3.3°C)	34.0°F (1.1°C)	3.9°F (2.2°C)	4th Warmest	Warmest since: 1934	1934
Oct 1980–May 1981 8-Month	38.8°F (3.8°C)	35.6°F (2.0°C)	3.2°F (1.8°C)	123rd Coolest	Coolest since: 1980	1917
Oct 1980–May 1981 8-Month	38.8°F (3.8°C)	35.6°F (2.0°C)	3.2°F (1.8°C)	5th Warmest	Warmest since: 1934	1934
Sep 1980–May 1981 9-Month	41.0°F (5.0°C)	38.0°F (3.3°C)	3.0°F (1.7°C)	123rd Coolest	Coolest since: 1980	1917
Sep 1980–May 1981 9-Month	41.0°F (5.0°C)	38.0°F (3.3°C)	3.0°F (1.7°C)	5th Warmest	Warmest since: 1934	1934
Aug 1980–May 1981 10-Month	43.5°F (6.4°C)	40.7°F (4.8°C)	2.8°F (1.6°C)	122nd Coolest	Coolest since: 1980	1917
Aug 1980–May 1981 10-Month	43.5°F (6.4°C)	40.7°F (4.8°C)	2.8°F (1.6°C)	6th Warmest	Warmest since: 1934	1934
Jul 1980–May 1981 11-Month	45.9°F (7.7°C)	43.1°F (6.2°C)	2.8°F (1.5°C)	122nd Coolest	Coolest since: 1980	1917
Jul 1980–May 1981 11-Month	45.9°F (7.7°C)	43.1°F (6.2°C)	2.8°F (1.5°C)	6th Warmest	Warmest since: 1934	1934
Jun 1980–May 1981 12-Month	47.3°F (8.5°C)	44.6°F (7.0°C)	2.7°F (1.5°C)	121st Coolest	Coolest since: 1980	1917
Jun 1980–May 1981 12-Month	47.3°F (8.5°C)	44.6°F (7.0°C)	2.7°F (1.5°C)	7th Warmest	Warmest since: 1934	1934
Dec 1979–May 1981 18-Month	42.8°F (6.0°C)	41.1°F (5.1°C)	1.7°F (0.9°C)	107th Coolest	Coolest since: 1980	1913
	42.8°F (6.0°C)	41.1°F (5.1°C)	1.7°F (0.9°C)	20th Warmest	Warmest since: 1935	2018
	Ties: 1995
Jun 1979–May 1981 24-Month	45.7°F (7.6°C)	44.6°F (7.0°C)	1.1°F (0.6°C)	98th Coolest	Coolest since: 1980	1913
	45.7°F (7.6°C)	44.6°F (7.0°C)	1.1°F (0.6°C)	29th Warmest	Warmest since: 1955	2018
	Ties: 1941, 1990
Jun 1978–May 1981 36-Month	44.9°F (7.2°C)	44.5°F (6.9°C)	0.4°F (0.3°C)	77th Coolest	Coolest since: 1980	1914
	44.9°F (7.2°C)	44.5°F (6.9°C)	0.4°F (0.3°C)	49th Warmest	Warmest since: 1978	2018
	Ties: 1942, 1943, 1945, 1957, 1961, 1965, 1994
Jun 1977–May 1981 48-Month	45.2°F (7.3°C)	44.5°F (6.9°C)	0.7°F (0.4°C)	88th Coolest	Coolest since: 1980	1915
	45.2°F (7.3°C)	44.5°F (6.9°C)	0.7°F (0.4°C)	37th Warmest	Warmest since: 1957	2018
	Ties: 1938, 1984, 1990, 1993, 1995
Jun 1976–May 1981 60-Month	45.1°F (7.3°C)	44.5°F (6.9°C)	0.6°F (0.4°C)	84th Coolest	Coolest since: 1980	1917
	45.1°F (7.3°C)	44.5°F (6.9°C)	0.6°F (0.4°C)	40th Warmest	Warmest since: 1958	2018
	Ties: 1939, 1941, 1956, 1994, 1997

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published November 2022, retrieved on November 26, 2022 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings