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 2009

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  • Record Warmest
PeriodValue1901-2000
Mean
AnomalyRank
(1895-2022)
Warmest/Coolest
Since
Record
April 2009
1-Month
42.0°F
(5.6°C)
42.5°F
(5.8°C)
-0.5°F
(-0.2°C)
47th Coolest
Coolest since:
1920
82nd Warmest
Warmest since:
1943, 1946
Ties: 1916
Mar–Apr 2009
2-Month
39.6°F
(4.2°C)
38.1°F
(3.4°C)
1.5°F
(0.8°C)
87th Coolest
Coolest since:
1917
42nd Warmest
Warmest since:
2012
Ties: 1936
Feb–Apr 2009
3-Month
37.1°F
(2.8°C)
34.5°F
(1.4°C)
2.6°F
(1.4°C)
107th Coolest
Coolest since:
1903
22nd Warmest
Warmest since:
2017
Ties: 1910
Jan–Apr 2009
4-Month
34.9°F
(1.6°C)
31.8°F
(-0.1°C)
3.1°F
(1.7°C)
112th Coolest
Coolest since:
1917, 1937
17th Warmest
Warmest since:
1986
Ties: 2016
Dec 2008–Apr 2009
5-Month
33.0°F
(0.6°C)
30.5°F
(-0.8°C)
2.5°F
(1.4°C)
108th Coolest
Coolest since:
1899
20th Warmest
Warmest since:
1934, 1981
Nov 2008–Apr 2009
6-Month
33.9°F
(1.1°C)
31.0°F
(-0.6°C)
2.9°F
(1.7°C)
117th Coolest
Coolest since:
1899
11th Warmest
Warmest since:
1934
Ties: 1943, 1986, 2006, 2022
Oct 2008–Apr 2009
7-Month
35.8°F
(2.1°C)
33.2°F
(0.7°C)
2.6°F
(1.4°C)
114th Coolest
Coolest since:
1899
14th Warmest
Warmest since:
1934
Ties: 2022
Sep 2008–Apr 2009
8-Month
38.5°F
(3.6°C)
36.2°F
(2.3°C)
2.3°F
(1.3°C)
113th Coolest
Coolest since:
1899
15th Warmest
Warmest since:
1934
Ties: 1907
Aug 2008–Apr 2009
9-Month
41.5°F
(5.3°C)
39.5°F
(4.2°C)
2.0°F
(1.1°C)
114th Coolest
Coolest since:
1899
14th Warmest
Warmest since:
1934
Ties: 1911
Jul 2008–Apr 2009
10-Month
44.3°F
(6.8°C)
42.2°F
(5.7°C)
2.1°F
(1.1°C)
114th Coolest
Coolest since:
1899
14th Warmest
Warmest since:
1934
Ties: 1935
Jun 2008–Apr 2009
11-Month
45.9°F
(7.7°C)
43.9°F
(6.6°C)
2.0°F
(1.1°C)
110th Coolest
Coolest since:
1913
18th Warmest
Warmest since:
1934, 2017
Ties: 2002
May 2008–Apr 2009
12-Month
46.3°F
(7.9°C)
44.6°F
(7.0°C)
1.7°F
(0.9°C)
107th Coolest
Coolest since:
1913
21st Warmest
Warmest since:
1934, 2017
Ties: 1911, 2019
Nov 2007–Apr 2009
18-Month
41.1°F
(5.1°C)
40.1°F
(4.5°C)
1.0°F
(0.6°C)
94th Coolest
Coolest since:
1913
33rd Warmest
Warmest since:
2018
Ties: 1911, 1941, 1986, 1990, 1992, 2014
May 2007–Apr 2009
24-Month
45.9°F
(7.7°C)
44.6°F
(7.0°C)
1.3°F
(0.7°C)
103rd Coolest
Coolest since:
1913
24th Warmest
Warmest since:
2018
Ties: 1954
May 2006–Apr 2009
36-Month
45.9°F
(7.7°C)
44.6°F
(7.0°C)
1.3°F
(0.7°C)
104th Coolest
Coolest since:
1914
22nd Warmest
Warmest since:
2018
Ties: 1999
May 2005–Apr 2009
48-Month
46.1°F
(7.8°C)
44.6°F
(7.0°C)
1.5°F
(0.8°C)
107th Coolest
Coolest since:
1915
18th Warmest
Warmest since:
2018
May 2004–Apr 2009
60-Month
46.1°F
(7.8°C)
44.5°F
(6.9°C)
1.6°F
(0.9°C)
108th Coolest
Coolest since:
1917
16th Warmest
Warmest since:
2019
Ties: 2001

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