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, December 2017

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  • Record Warmest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Warmest/Coolest
Since		 Record
December 2017
1-Month 		30.1°F
(-1.1°C)		 25.2°F
(-3.8°C)		 4.9°F
(2.7°C)		 119th Coolest
Coolest since:
 1909
10th Warmest
Warmest since:
 1980
Nov–Dec 2017
2-Month 		35.7°F
(2.1°C)		 29.4°F
(-1.4°C)		 6.3°F
(3.5°C)		 127th Coolest
Coolest since:
 1972
2nd Warmest
Warmest to Date
 2021
Oct–Dec 2017
3-Month 		39.4°F
(4.1°C)		 35.1°F
(1.7°C)		 4.3°F
(2.4°C)		 127th Coolest
Coolest since:
 1898
2nd Warmest
Warmest to Date
 2021
Sep–Dec 2017
4-Month 		44.3°F
(6.8°C)		 40.6°F
(4.8°C)		 3.7°F
(2.0°C)		 126th Coolest
Coolest since:
 1898
3rd Warmest
Warmest since:
 2021
Aug–Dec 2017
5-Month 		48.4°F
(9.1°C)		 45.6°F
(7.6°C)		 2.8°F
(1.5°C)		 126th Coolest
Coolest since:
 1898
3rd Warmest
Warmest since:
 2021
Jul–Dec 2017
6-Month 		51.9°F
(11.1°C)		 49.2°F
(9.6°C)		 2.7°F
(1.5°C)		 126th Coolest
Coolest since:
 1912
3rd Warmest
Warmest since:
 2021
Jun–Dec 2017
7-Month 		53.7°F
(12.1°C)		 50.8°F
(10.4°C)		 2.9°F
(1.7°C)		 124th Coolest
Coolest since:
 1912
5th Warmest
Warmest since:
 2021
May–Dec 2017
8-Month 		53.4°F
(11.9°C)		 50.9°F
(10.5°C)		 2.5°F
(1.4°C)		 123rd Coolest
Coolest since:
 1912
6th Warmest
Warmest since:
 2021
Ties: 1963, 2001
Apr–Dec 2017
9-Month 		52.4°F
(11.3°C)		 50.0°F
(10.0°C)		 2.4°F
(1.3°C)		 123rd Coolest
Coolest since:
 1912
6th Warmest
Warmest since:
 2021
Ties: 1954, 1963, 2016
Mar–Dec 2017
10-Month 		51.4°F
(10.8°C)		 48.4°F
(9.1°C)		 3.0°F
(1.7°C)		 126th Coolest
Coolest since:
 1912
3rd Warmest
Warmest since:
 2012
Ties: 1934
Feb–Dec 2017
11-Month 		50.0°F
(10.0°C)		 46.5°F
(8.1°C)		 3.5°F
(1.9°C)		 128th Coolest
Coolest since:
 1912
1st Warmest
Warmest since:
 2012, 2017
Ties: 2012
Jan–Dec 2017
12-Month 		47.9°F
(8.8°C)		 44.6°F
(7.0°C)		 3.3°F
(1.8°C)		 126th Coolest
Coolest since:
 1912
3rd Warmest
Warmest since:
 2012
Jul 2016–Dec 2017
18-Month 		49.2°F
(9.6°C)		 46.1°F
(7.8°C)		 3.1°F
(1.8°C)		 126th Coolest
Coolest since:
 1912
2nd Warmest
Warmest since:
 1934
Jan 2016–Dec 2017
24-Month 		47.6°F
(8.7°C)		 44.6°F
(7.0°C)		 3.0°F
(1.7°C)		 127th Coolest
Coolest since:
 1913
1st Warmest
Warmest to Date
 2017
Jan 2015–Dec 2017
36-Month 		47.6°F
(8.7°C)		 44.6°F
(7.0°C)		 3.0°F
(1.7°C)		 126th Coolest
Coolest since:
 1913, 1914
1st Warmest
Warmest to Date
 2017
Jan 2014–Dec 2017
48-Month 		47.2°F
(8.4°C)		 44.6°F
(7.0°C)		 2.6°F
(1.4°C)		 124th Coolest
Coolest since:
 1915
2nd Warmest
Warmest to Date
 2018
Jan 2013–Dec 2017
60-Month 		46.8°F
(8.2°C)		 44.6°F
(7.0°C)		 2.2°F
(1.2°C)		 120th Coolest
Coolest since:
 1916
5th Warmest
Warmest since:
 2018
Ties: 2016

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