Statewide Rankings

Statewide Data Info
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 1997

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PeriodValue1901-2000
Mean		AnomalyRank
(1895-2023)		Warmest/Coolest
Since		Record
April 1997
1-Month		38.4°F
(3.6°C)		42.5°F
(5.8°C)		-4.1°F
(-2.2°C)		8th Coolest
Coolest since:
1920
122nd Warmest
Warmest since:
1943, 1946
Mar–Apr 1997
2-Month		38.4°F
(3.6°C)		38.1°F
(3.4°C)		0.3°F
(0.2°C)		63rd Coolest
Coolest since:
1917
67th Warmest
Warmest since:
2012
Ties: 1918, 1979, 1991
Feb–Apr 1997
3-Month		34.6°F
(1.4°C)		34.5°F
(1.4°C)		0.1°F
(0.0°C)		62nd Coolest
Coolest since:
1903
68th Warmest
Warmest since:
2017
Ties: 1985, 2021, 2022
Jan–Apr 1997
4-Month		32.2°F
(0.1°C)		31.8°F
(-0.1°C)		0.4°F
(0.2°C)		67th Coolest
Coolest since:
1917, 1937
63rd Warmest
Warmest since:
1986
Ties: 1961, 2011
Dec 1996–Apr 1997
5-Month		31.2°F
(-0.4°C)		30.5°F
(-0.8°C)		0.7°F
(0.4°C)		78th Coolest
Coolest since:
1899
51st Warmest
Warmest since:
1934, 1981
Ties: 1916, 1956, 1959, 1963
Nov 1996–Apr 1997
6-Month		31.7°F
(-0.2°C)		31.0°F
(-0.6°C)		0.7°F
(0.4°C)		79th Coolest
Coolest since:
1899
50th Warmest
Warmest since:
1934
Ties: 1908, 1918, 1971
Oct 1996–Apr 1997
7-Month		33.8°F
(1.0°C)		33.2°F
(0.7°C)		0.6°F
(0.3°C)		79th Coolest
Coolest since:
1899
50th Warmest
Warmest since:
1934
Ties: 1966, 2014
Sep 1996–Apr 1997
8-Month		36.5°F
(2.5°C)		36.2°F
(2.3°C)		0.3°F
(0.2°C)		67th Coolest
Coolest since:
1899
62nd Warmest
Warmest since:
1934
Ties: 1918, 2008
Aug 1996–Apr 1997
9-Month		39.8°F
(4.3°C)		39.5°F
(4.2°C)		0.3°F
(0.1°C)		69th Coolest
Coolest since:
1899
60th Warmest
Warmest since:
1934
Ties: 1900, 2007
Jul 1996–Apr 1997
10-Month		42.6°F
(5.9°C)		42.2°F
(5.7°C)		0.4°F
(0.2°C)		74th Coolest
Coolest since:
1899
55th Warmest
Warmest since:
1934
Ties: 1908, 1953, 1976
Jun 1996–Apr 1997
11-Month		44.5°F
(6.9°C)		43.9°F
(6.6°C)		0.6°F
(0.3°C)		78th Coolest
Coolest since:
1913
51st Warmest
Warmest since:
1934, 2017
Ties: 1946, 1961, 1998
May 1996–Apr 1997
12-Month		45.4°F
(7.4°C)		44.6°F
(7.0°C)		0.8°F
(0.4°C)		86th Coolest
Coolest since:
1913
43rd Warmest
Warmest since:
1934, 2017
Ties: 1907, 1950, 2023
Nov 1995–Apr 1997
18-Month		41.4°F
(5.2°C)		40.1°F
(4.5°C)		1.3°F
(0.7°C)		104th Coolest
Coolest since:
1913
24th Warmest
Warmest since:
2018
Ties: 1934, 1955, 1978
May 1995–Apr 1997
24-Month		45.4°F
(7.4°C)		44.6°F
(7.0°C)		0.8°F
(0.4°C)		91st Coolest
Coolest since:
1913
37th Warmest
Warmest since:
2018
Ties: 1978, 1991
May 1994–Apr 1997
36-Month		45.8°F
(7.7°C)		44.6°F
(7.0°C)		1.2°F
(0.7°C)		102nd Coolest
Coolest since:
1914
25th Warmest
Warmest since:
2018
Ties: 2012
May 1993–Apr 1997
48-Month		45.5°F
(7.5°C)		44.6°F
(7.0°C)		0.9°F
(0.5°C)		96th Coolest
Coolest since:
1915
30th Warmest
Warmest since:
2018
Ties: 2010
May 1992–Apr 1997
60-Month		45.2°F
(7.3°C)		44.5°F
(6.9°C)		0.7°F
(0.4°C)		87th Coolest
Coolest since:
1917
38th Warmest
Warmest since:
2019
Ties: 1941, 1989, 1991

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