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, April 1990

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Record Coolest
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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2023)	Warmest/Coolest Since	Record
April 1990 1-Month	45.1°F (7.3°C)	42.5°F (5.8°C)	2.6°F (1.5°C)	106th Coolest	Coolest since: 1988	1920
	45.1°F (7.3°C)	42.5°F (5.8°C)	2.6°F (1.5°C)	24th Warmest	Warmest since: 1989	1943, 1946
	Ties: 1977
Mar–Apr 1990 2-Month	40.9°F (4.9°C)	38.1°F (3.4°C)	2.8°F (1.5°C)	107th Coolest	Coolest since: 1988	1917
	40.9°F (4.9°C)	38.1°F (3.4°C)	2.8°F (1.5°C)	23rd Warmest	Warmest since: 1989	2012
	Ties: 1994, 2018
Feb–Apr 1990 3-Month	36.5°F (2.5°C)	34.5°F (1.4°C)	2.0°F (1.1°C)	100th Coolest	Coolest since: 1989	1903
Feb–Apr 1990 3-Month	36.5°F (2.5°C)	34.5°F (1.4°C)	2.0°F (1.1°C)	30th Warmest	Warmest since: 1986	2017
Jan–Apr 1990 4-Month	34.0°F (1.1°C)	31.8°F (-0.1°C)	2.2°F (1.2°C)	105th Coolest	Coolest since: 1989	1917, 1937
	34.0°F (1.1°C)	31.8°F (-0.1°C)	2.2°F (1.2°C)	25th Warmest	Warmest since: 1986	1986
	Ties: 1935, 2020
Dec 1989–Apr 1990 5-Month	31.9°F (-0.1°C)	30.5°F (-0.8°C)	1.4°F (0.7°C)	94th Coolest	Coolest since: 1989	1899
	31.9°F (-0.1°C)	30.5°F (-0.8°C)	1.4°F (0.7°C)	35th Warmest	Warmest since: 1986	1934, 1981
	Ties: 1938
Nov 1989–Apr 1990 6-Month	32.7°F (0.4°C)	31.0°F (-0.6°C)	1.7°F (1.0°C)	100th Coolest	Coolest since: 1989	1899
	32.7°F (0.4°C)	31.0°F (-0.6°C)	1.7°F (1.0°C)	29th Warmest	Warmest since: 1986	1934
	Ties: 1978, 2002
Oct 1989–Apr 1990 7-Month	34.7°F (1.5°C)	33.2°F (0.7°C)	1.5°F (0.8°C)	100th Coolest	Coolest since: 1989	1899
	34.7°F (1.5°C)	33.2°F (0.7°C)	1.5°F (0.8°C)	29th Warmest	Warmest since: 1986	1934
	Ties: 1950, 2011, 2021
Sep 1989–Apr 1990 8-Month	37.6°F (3.1°C)	36.2°F (2.3°C)	1.4°F (0.8°C)	97th Coolest	Coolest since: 1989	1899
	37.6°F (3.1°C)	36.2°F (2.3°C)	1.4°F (0.8°C)	32nd Warmest	Warmest since: 1986	1934
	Ties: 1938, 1950
Aug 1989–Apr 1990 9-Month	40.5°F (4.7°C)	39.5°F (4.2°C)	1.0°F (0.5°C)	93rd Coolest	Coolest since: 1988	1899
	40.5°F (4.7°C)	39.5°F (4.2°C)	1.0°F (0.5°C)	36th Warmest	Warmest since: 1989	1934
	Ties: 1959, 1963, 2014
Jul 1989–Apr 1990 10-Month	43.4°F (6.3°C)	42.2°F (5.7°C)	1.2°F (0.6°C)	97th Coolest	Coolest since: 1989	1899
	43.4°F (6.3°C)	42.2°F (5.7°C)	1.2°F (0.6°C)	32nd Warmest	Warmest since: 1986	1934
	Ties: 1907
Jun 1989–Apr 1990 11-Month	44.9°F (7.2°C)	43.9°F (6.6°C)	1.0°F (0.6°C)	91st Coolest	Coolest since: 1988	1913
	44.9°F (7.2°C)	43.9°F (6.6°C)	1.0°F (0.6°C)	38th Warmest	Warmest since: 1989	1934, 2017
	Ties: 1902, 1907, 2007
May 1989–Apr 1990 12-Month	45.6°F (7.6°C)	44.6°F (7.0°C)	1.0°F (0.6°C)	91st Coolest	Coolest since: 1988	1913
	45.6°F (7.6°C)	44.6°F (7.0°C)	1.0°F (0.6°C)	38th Warmest	Warmest since: 1989	1934, 2017
	Ties: 1902, 1982
Nov 1988–Apr 1990 18-Month	41.1°F (5.1°C)	40.1°F (4.5°C)	1.0°F (0.6°C)	94th Coolest	Coolest since: 1989	1913
	41.1°F (5.1°C)	40.1°F (4.5°C)	1.0°F (0.6°C)	34th Warmest	Warmest since: 1987	2018
	Ties: 1911, 1941, 1986, 1992, 2009, 2014
May 1988–Apr 1990 24-Month	45.8°F (7.7°C)	44.6°F (7.0°C)	1.2°F (0.7°C)	101st Coolest	Coolest since: 1989	1913
	45.8°F (7.7°C)	44.6°F (7.0°C)	1.2°F (0.7°C)	27th Warmest	Warmest since: 1982	2018
	Ties: 1955
May 1987–Apr 1990 36-Month	45.3°F (7.4°C)	44.6°F (7.0°C)	0.7°F (0.4°C)	91st 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, 1998
May 1986–Apr 1990 48-Month	45.2°F (7.3°C)	44.6°F (7.0°C)	0.6°F (0.3°C)	85th Coolest	Coolest since: 1988	1915
	45.2°F (7.3°C)	44.6°F (7.0°C)	0.6°F (0.3°C)	41st Warmest	Warmest since: 1989	2018
	Ties: 1943, 1993
May 1985–Apr 1990 60-Month	45.4°F (7.4°C)	44.5°F (6.9°C)	0.9°F (0.5°C)	98th Coolest	Coolest since: 1989	1917
	45.4°F (7.4°C)	44.5°F (6.9°C)	0.9°F (0.5°C)	27th Warmest	Warmest since: 1957	2019
	Ties: 1936, 1937, 1957, 1992, 1998

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published May 2023, retrieved on June 1, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings