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 2018

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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
December 2018
1-Month
26.6°F
(-3.0°C)
25.2°F
(-3.8°C)
1.4°F
(0.8°C)
81st Coolest
Coolest since:
1909
48th Warmest
Warmest since:
1980
Nov–Dec 2018
2-Month
29.6°F
(-1.3°C)
29.4°F
(-1.4°C)
0.2°F
(0.1°C)
60th Coolest
Coolest since:
1972
69th Warmest
Warmest since:
2021
Ties: 1957, 1960, 1975, 2011
Oct–Dec 2018
3-Month
34.7°F
(1.5°C)
35.1°F
(1.7°C)
-0.4°F
(-0.2°C)
50th Coolest
Coolest since:
1898
79th Warmest
Warmest since:
2021
Ties: 1947, 1956, 2019
Sep–Dec 2018
4-Month
41.5°F
(5.3°C)
40.6°F
(4.8°C)
0.9°F
(0.5°C)
86th Coolest
Coolest since:
1898
43rd Warmest
Warmest since:
2021
Ties: 1944, 1988
Aug–Dec 2018
5-Month
46.4°F
(8.0°C)
45.5°F
(7.5°C)
0.9°F
(0.5°C)
89th Coolest
Coolest since:
1898
40th Warmest
Warmest since:
2021
Ties: 1940, 1942, 1953
Jul–Dec 2018
6-Month
50.4°F
(10.2°C)
49.2°F
(9.6°C)
1.2°F
(0.6°C)
95th Coolest
Coolest since:
1912
34th Warmest
Warmest since:
2021
Ties: 1955
Jun–Dec 2018
7-Month
52.7°F
(11.5°C)
50.9°F
(10.5°C)
1.8°F
(1.0°C)
109th Coolest
Coolest since:
1912
20th Warmest
Warmest since:
2021
May–Dec 2018
8-Month
53.2°F
(11.8°C)
50.9°F
(10.5°C)
2.3°F
(1.3°C)
119th Coolest
Coolest since:
1912
10th Warmest
Warmest since:
2021
Ties: 1977
Apr–Dec 2018
9-Month
52.2°F
(11.2°C)
50.0°F
(10.0°C)
2.2°F
(1.2°C)
118th Coolest
Coolest since:
1912
11th Warmest
Warmest since:
2021
Ties: 2003
Mar–Dec 2018
10-Month
50.8°F
(10.4°C)
48.4°F
(9.1°C)
2.4°F
(1.3°C)
121st Coolest
Coolest since:
1912
8th Warmest
Warmest since:
2012
Ties: 2015
Feb–Dec 2018
11-Month
48.8°F
(9.3°C)
46.5°F
(8.1°C)
2.3°F
(1.2°C)
118th Coolest
Coolest since:
1912
11th Warmest
Warmest since:
2012, 2017
Jan–Dec 2018
12-Month
47.2°F
(8.4°C)
44.6°F
(7.0°C)
2.6°F
(1.4°C)
120th Coolest
Coolest since:
1912
9th Warmest
Warmest since:
2012
Jul 2017–Dec 2018
18-Month
48.7°F
(9.3°C)
46.1°F
(7.8°C)
2.6°F
(1.5°C)
123rd Coolest
Coolest since:
1912
5th Warmest
Warmest since:
1934
Jan 2017–Dec 2018
24-Month
47.5°F
(8.6°C)
44.5°F
(6.9°C)
3.0°F
(1.7°C)
126th Coolest
Coolest since:
1913
2nd Warmest
Warmest since:
2017
Jan 2016–Dec 2018
36-Month
47.5°F
(8.6°C)
44.6°F
(7.0°C)
2.9°F
(1.6°C)
125th Coolest
Coolest since:
1913, 1914
2nd Warmest
Warmest since:
2017
Jan 2015–Dec 2018
48-Month
47.5°F
(8.6°C)
44.6°F
(7.0°C)
2.9°F
(1.6°C)
125th Coolest
Coolest since:
1915
1st Warmest
Warmest to Date
2018
Jan 2014–Dec 2018
60-Month
47.2°F
(8.4°C)
44.6°F
(7.0°C)
2.6°F
(1.4°C)
124th Coolest
Coolest since:
1916
1st Warmest
Warmest to Date
2018

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