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, May 2015

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  • Record Coolest
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  • Top 1/3
  • Top 1/10
  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
May 2015
1-Month
49.8°F
(9.9°C)
51.8°F
(11.0°C)
-2.0°F
(-1.1°C)
26th Coolest
Coolest since:
1917
103rd Warmest
Warmest since:
1934
Ties: 1931
Apr–May 2015
2-Month
47.3°F
(8.5°C)
47.2°F
(8.4°C)
0.1°F
(0.1°C)
55th Coolest
Coolest since:
1917
74th Warmest
Warmest since:
1934
Ties: 1899
Mar–May 2015
3-Month
45.1°F
(7.3°C)
42.7°F
(5.9°C)
2.4°F
(1.4°C)
110th Coolest
Coolest since:
1917
19th Warmest
Warmest since:
2012
Ties: 1946
Feb–May 2015
4-Month
41.8°F
(5.4°C)
38.8°F
(3.8°C)
3.0°F
(1.6°C)
119th Coolest
Coolest since:
1917
10th Warmest
Warmest since:
1934
Ties: 1972, 2004
Jan–May 2015
5-Month
39.3°F
(4.1°C)
35.8°F
(2.1°C)
3.5°F
(2.0°C)
120th Coolest
Coolest since:
1917
9th Warmest
Warmest since:
1934
Dec 2014–May 2015
6-Month
37.4°F
(3.0°C)
34.1°F
(1.2°C)
3.3°F
(1.8°C)
122nd Coolest
Coolest since:
1917
6th Warmest
Warmest since:
1934
Ties: 1986, 2017
Nov 2014–May 2015
7-Month
36.8°F
(2.7°C)
34.0°F
(1.1°C)
2.8°F
(1.6°C)
120th Coolest
Coolest since:
1917
8th Warmest
Warmest since:
1934
Ties: 1954, 2009
Oct 2014–May 2015
8-Month
38.5°F
(3.6°C)
35.6°F
(2.0°C)
2.9°F
(1.6°C)
121st Coolest
Coolest since:
1917
7th Warmest
Warmest since:
1934
Sep 2014–May 2015
9-Month
40.9°F
(4.9°C)
38.0°F
(3.3°C)
2.9°F
(1.6°C)
122nd Coolest
Coolest since:
1917
6th Warmest
Warmest since:
1934
Aug 2014–May 2015
10-Month
43.2°F
(6.2°C)
40.7°F
(4.8°C)
2.5°F
(1.4°C)
119th Coolest
Coolest since:
1917
9th Warmest
Warmest since:
1934
Ties: 2004, 2006, 2016
Jul 2014–May 2015
11-Month
45.5°F
(7.5°C)
43.1°F
(6.2°C)
2.4°F
(1.3°C)
117th Coolest
Coolest since:
1917
11th Warmest
Warmest since:
1934
Jun 2014–May 2015
12-Month
46.9°F
(8.3°C)
44.6°F
(7.0°C)
2.3°F
(1.3°C)
118th Coolest
Coolest since:
1917
10th Warmest
Warmest since:
1934
Ties: 2016
Dec 2013–May 2015
18-Month
42.9°F
(6.1°C)
41.0°F
(5.0°C)
1.9°F
(1.1°C)
111th Coolest
Coolest since:
1913
16th Warmest
Warmest since:
2018
Ties: 1999, 2003, 2005
Jun 2013–May 2015
24-Month
46.4°F
(8.0°C)
44.6°F
(7.0°C)
1.8°F
(1.0°C)
112th Coolest
Coolest since:
1913
15th Warmest
Warmest since:
2018
Ties: 2005, 2006
Jun 2012–May 2015
36-Month
46.3°F
(7.9°C)
44.5°F
(6.9°C)
1.8°F
(1.0°C)
109th Coolest
Coolest since:
1914
17th Warmest
Warmest since:
2018
Jun 2011–May 2015
48-Month
46.6°F
(8.1°C)
44.5°F
(6.9°C)
2.1°F
(1.2°C)
118th Coolest
Coolest since:
1915
7th Warmest
Warmest since:
2018
Ties: 2004, 2006, 2021
Jun 2010–May 2015
60-Month
46.5°F
(8.1°C)
44.6°F
(7.0°C)
1.9°F
(1.1°C)
113th Coolest
Coolest since:
1917
11th Warmest
Warmest since:
2018

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