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 1990

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
May 1990 1-Month	50.5°F (10.3°C)	51.8°F (11.0°C)	-1.3°F (-0.7°C)	36th Coolest	Coolest since: 1983	1917
	50.5°F (10.3°C)	51.8°F (11.0°C)	-1.3°F (-0.7°C)	93rd Warmest	Warmest since: 1989	1934
	Ties: 1973
Apr–May 1990 2-Month	47.8°F (8.8°C)	47.2°F (8.4°C)	0.6°F (0.4°C)	72nd Coolest	Coolest since: 1984	1917
	47.8°F (8.8°C)	47.2°F (8.4°C)	0.6°F (0.4°C)	57th Warmest	Warmest since: 1989	1934
	Ties: 1919, 1926, 2014
Mar–May 1990 3-Month	44.1°F (6.7°C)	42.7°F (5.9°C)	1.4°F (0.8°C)	96th Coolest	Coolest since: 1988	1917
	44.1°F (6.7°C)	42.7°F (5.9°C)	1.4°F (0.8°C)	33rd Warmest	Warmest since: 1989	2012
	Ties: 1967, 2016, 2022
Feb–May 1990 4-Month	40.0°F (4.4°C)	38.9°F (3.8°C)	1.1°F (0.6°C)	89th Coolest	Coolest since: 1988	1917
	40.0°F (4.4°C)	38.9°F (3.8°C)	1.1°F (0.6°C)	40th Warmest	Warmest since: 1989	1934
	Ties: 1926, 2002
Jan–May 1990 5-Month	37.3°F (2.9°C)	35.9°F (2.2°C)	1.4°F (0.7°C)	99th Coolest	Coolest since: 1988	1917
	37.3°F (2.9°C)	35.9°F (2.2°C)	1.4°F (0.7°C)	30th Warmest	Warmest since: 1989	1934
	Ties: 1921, 1927
Dec 1989–May 1990 6-Month	35.0°F (1.7°C)	34.0°F (1.1°C)	1.0°F (0.6°C)	87th Coolest	Coolest since: 1988	1917
	35.0°F (1.7°C)	34.0°F (1.1°C)	1.0°F (0.6°C)	41st Warmest	Warmest since: 1989	1934
	Ties: 1921, 1935, 1938, 1977, 2014, 2021
Nov 1989–May 1990 7-Month	35.2°F (1.8°C)	34.0°F (1.1°C)	1.2°F (0.7°C)	96th Coolest	Coolest since: 1989	1917
	35.2°F (1.8°C)	34.0°F (1.1°C)	1.2°F (0.7°C)	32nd Warmest	Warmest since: 1989	1934
	Ties: 1902, 1904, 1935, 1987, 1989, 1995
Oct 1989–May 1990 8-Month	36.7°F (2.6°C)	35.6°F (2.0°C)	1.1°F (0.6°C)	94th Coolest	Coolest since: 1988	1917
	36.7°F (2.6°C)	35.6°F (2.0°C)	1.1°F (0.6°C)	34th Warmest	Warmest since: 1989	1934
	Ties: 1978
Sep 1989–May 1990 9-Month	39.0°F (3.9°C)	38.0°F (3.3°C)	1.0°F (0.6°C)	95th Coolest	Coolest since: 1988	1917
	39.0°F (3.9°C)	38.0°F (3.3°C)	1.0°F (0.6°C)	33rd Warmest	Warmest since: 1989	1934
	Ties: 1902, 1938, 1995
Aug 1989–May 1990 10-Month	41.5°F (5.3°C)	40.7°F (4.8°C)	0.8°F (0.5°C)	88th Coolest	Coolest since: 1988	1917
	41.5°F (5.3°C)	40.7°F (4.8°C)	0.8°F (0.5°C)	40th Warmest	Warmest since: 1989	1934
	Ties: 1946, 1950, 2013
Jul 1989–May 1990 11-Month	44.0°F (6.7°C)	43.1°F (6.2°C)	0.9°F (0.5°C)	90th Coolest	Coolest since: 1988	1917
	44.0°F (6.7°C)	43.1°F (6.2°C)	0.9°F (0.5°C)	38th Warmest	Warmest since: 1989	1934
	Ties: 1956
Jun 1989–May 1990 12-Month	45.3°F (7.4°C)	44.6°F (7.0°C)	0.7°F (0.4°C)	84th Coolest	Coolest since: 1988	1917
	45.3°F (7.4°C)	44.6°F (7.0°C)	0.7°F (0.4°C)	44th Warmest	Warmest since: 1989	1934
	Ties: 1956, 1998, 2008
Dec 1988–May 1990 18-Month	42.0°F (5.6°C)	41.1°F (5.1°C)	0.9°F (0.5°C)	92nd Coolest	Coolest since: 1989	1913
	42.0°F (5.6°C)	41.1°F (5.1°C)	0.9°F (0.5°C)	35th Warmest	Warmest since: 1987	2018
	Ties: 1991, 2008, 2009
Jun 1988–May 1990 24-Month	45.7°F (7.6°C)	44.6°F (7.0°C)	1.1°F (0.6°C)	98th Coolest	Coolest since: 1989	1913
	45.7°F (7.6°C)	44.6°F (7.0°C)	1.1°F (0.6°C)	29th Warmest	Warmest since: 1982	2018
	Ties: 1941, 1981
Jun 1987–May 1990 36-Month	45.3°F (7.4°C)	44.6°F (7.0°C)	0.7°F (0.4°C)	90th Coolest	Coolest since: 1989	1914
	45.3°F (7.4°C)	44.6°F (7.0°C)	0.7°F (0.4°C)	36th Warmest	Warmest since: 1983	2018
	Ties: 1940, 1941, 2010
Jun 1986–May 1990 48-Month	45.2°F (7.3°C)	44.5°F (6.9°C)	0.7°F (0.4°C)	88th Coolest	Coolest since: 1988	1915
	45.2°F (7.3°C)	44.5°F (6.9°C)	0.7°F (0.4°C)	37th Warmest	Warmest since: 1989	2018
	Ties: 1938, 1981, 1984, 1993, 1995
Jun 1985–May 1990 60-Month	45.4°F (7.4°C)	44.6°F (7.0°C)	0.8°F (0.4°C)	96th Coolest	Coolest since: 1989	1917
	45.4°F (7.4°C)	44.6°F (7.0°C)	0.8°F (0.4°C)	28th Warmest	Warmest since: 1938	2018
	Ties: 1937, 1993, 1998

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on February 3, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings