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 2015

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PeriodValue1901-2000
Mean		AnomalyRank
(1895-2023)		Warmest/Coolest
Since		Record
April 2015
1-Month		44.8°F
(7.1°C)		42.5°F
(5.8°C)		2.3°F
(1.3°C)		103rd Coolest
Coolest since:
1920
27th Warmest
Warmest since:
1943, 1946
Ties: 1960, 1978
Mar–Apr 2015
2-Month		42.7°F
(5.9°C)		38.1°F
(3.4°C)		4.6°F
(2.5°C)		121st Coolest
Coolest since:
1917
9th Warmest
Warmest since:
2012
Ties: 1934
Feb–Apr 2015
3-Month		39.2°F
(4.0°C)		34.5°F
(1.4°C)		4.7°F
(2.6°C)		126th Coolest
Coolest since:
1903
4th Warmest
Warmest since:
2017
Ties: 2012
Jan–Apr 2015
4-Month		36.7°F
(2.6°C)		31.8°F
(-0.1°C)		4.9°F
(2.7°C)		126th Coolest
Coolest since:
1917, 1937
4th Warmest
Warmest since:
1986
Ties: 2012
Dec 2014–Apr 2015
5-Month		34.9°F
(1.6°C)		30.5°F
(-0.8°C)		4.4°F
(2.4°C)		125th Coolest
Coolest since:
1899
4th Warmest
Warmest since:
1934, 1981
Ties: 2000
Nov 2014–Apr 2015
6-Month		34.7°F
(1.5°C)		31.0°F
(-0.6°C)		3.7°F
(2.1°C)		123rd Coolest
Coolest since:
1899
6th Warmest
Warmest since:
1934
Ties: 1907
Oct 2014–Apr 2015
7-Month		36.8°F
(2.7°C)		33.2°F
(0.7°C)		3.6°F
(2.0°C)		123rd Coolest
Coolest since:
1899
6th Warmest
Warmest since:
1934
Sep 2014–Apr 2015
8-Month		39.7°F
(4.3°C)		36.2°F
(2.3°C)		3.5°F
(2.0°C)		124th Coolest
Coolest since:
1899
5th Warmest
Warmest since:
1934
Ties: 2018
Aug 2014–Apr 2015
9-Month		42.5°F
(5.8°C)		39.5°F
(4.2°C)		3.0°F
(1.6°C)		124th Coolest
Coolest since:
1899
5th Warmest
Warmest since:
1934
Ties: 1999
Jul 2014–Apr 2015
10-Month		45.1°F
(7.3°C)		42.2°F
(5.7°C)		2.9°F
(1.6°C)		124th Coolest
Coolest since:
1899
5th Warmest
Warmest since:
1934
Ties: 1999, 2012, 2018, 2022
Jun 2014–Apr 2015
11-Month		46.7°F
(8.2°C)		43.9°F
(6.6°C)		2.8°F
(1.6°C)		123rd Coolest
Coolest since:
1913
6th Warmest
Warmest since:
1934, 2017
Ties: 2000, 2012
May 2014–Apr 2015
12-Month		47.2°F
(8.4°C)		44.6°F
(7.0°C)		2.6°F
(1.4°C)		124th Coolest
Coolest since:
1913
5th Warmest
Warmest since:
1934, 2017
Ties: 1981
Nov 2013–Apr 2015
18-Month		42.1°F
(5.6°C)		40.1°F
(4.5°C)		2.0°F
(1.1°C)		114th Coolest
Coolest since:
1913
14th Warmest
Warmest since:
2018
Ties: 2003
May 2013–Apr 2015
24-Month		46.5°F
(8.1°C)		44.6°F
(7.0°C)		1.9°F
(1.1°C)		117th Coolest
Coolest since:
1913
11th Warmest
Warmest since:
2018
Ties: 2001, 2012
May 2012–Apr 2015
36-Month		46.5°F
(8.1°C)		44.6°F
(7.0°C)		1.9°F
(1.1°C)		119th Coolest
Coolest since:
1914
8th Warmest
Warmest since:
2018
Ties: 2002, 2003, 2005, 2006, 2013, 2020, 2023
May 2011–Apr 2015
48-Month		46.6°F
(8.1°C)		44.6°F
(7.0°C)		2.0°F
(1.1°C)		120th Coolest
Coolest since:
1915
6th Warmest
Warmest since:
2018
Ties: 2003, 2004, 2005, 2006, 2016, 2022
May 2010–Apr 2015
60-Month		46.5°F
(8.1°C)		44.5°F
(6.9°C)		2.0°F
(1.2°C)		114th Coolest
Coolest since:
1917
11th Warmest
Warmest since:
2019
Ties: 2005

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