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 1939

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
December 1939
1-Month
31.4°F
(-0.3°C)
25.2°F
(-3.8°C)
6.2°F
(3.5°C)
124th Coolest
Coolest since:
1909
5th Warmest
Warmest since:
1980
Nov–Dec 1939
2-Month
33.7°F
(0.9°C)
29.4°F
(-1.4°C)
4.3°F
(2.3°C)
123rd Coolest
Coolest since:
1972
6th Warmest
Warmest since:
2021
Ties: 1917, 1965, 1995
Oct–Dec 1939
3-Month
38.1°F
(3.4°C)
35.1°F
(1.7°C)
3.0°F
(1.7°C)
118th Coolest
Coolest since:
1898
11th Warmest
Warmest since:
2021
Sep–Dec 1939
4-Month
43.7°F
(6.5°C)
40.7°F
(4.8°C)
3.0°F
(1.7°C)
123rd Coolest
Coolest since:
1898
6th Warmest
Warmest since:
2021
Aug–Dec 1939
5-Month
48.0°F
(8.9°C)
45.6°F
(7.6°C)
2.4°F
(1.3°C)
121st Coolest
Coolest since:
1898
8th Warmest
Warmest since:
2021
Ties: 1998
Jul–Dec 1939
6-Month
51.4°F
(10.8°C)
49.1°F
(9.5°C)
2.3°F
(1.3°C)
116th Coolest
Coolest since:
1898, 1912
13th Warmest
Warmest since:
2021
Jun–Dec 1939
7-Month
52.8°F
(11.6°C)
50.9°F
(10.5°C)
1.9°F
(1.1°C)
114th Coolest
Coolest since:
1912
15th Warmest
Warmest since:
2021
Ties: 1934, 1981, 2007, 2022
May–Dec 1939
8-Month
53.1°F
(11.7°C)
51.0°F
(10.6°C)
2.1°F
(1.1°C)
117th Coolest
Coolest since:
1912
12th Warmest
Warmest since:
2021
Ties: 2003
Apr–Dec 1939
9-Month
52.1°F
(11.2°C)
50.0°F
(10.0°C)
2.1°F
(1.2°C)
116th Coolest
Coolest since:
1912
13th Warmest
Warmest since:
2021
Ties: 1981, 2002
Mar–Dec 1939
10-Month
50.3°F
(10.2°C)
48.4°F
(9.1°C)
1.9°F
(1.1°C)
113th Coolest
Coolest since:
1912
16th Warmest
Warmest since:
2012
Ties: 1954, 1977, 2010
Feb–Dec 1939
11-Month
47.3°F
(8.5°C)
46.5°F
(8.1°C)
0.8°F
(0.4°C)
87th Coolest
Coolest since:
1912
42nd Warmest
Warmest since:
2012, 2017
Ties: 1990
Jan–Dec 1939
12-Month
45.5°F
(7.5°C)
44.6°F
(7.0°C)
0.9°F
(0.5°C)
92nd Coolest
Coolest since:
1912
37th Warmest
Warmest since:
2012
Ties: 1940, 1958
Jul 1938–Dec 1939
18-Month
46.7°F
(8.2°C)
46.1°F
(7.8°C)
0.6°F
(0.4°C)
83rd Coolest
Coolest since:
1912
45th Warmest
Warmest since:
1934
Ties: 1902, 1910, 1946, 1959, 1978
Jan 1938–Dec 1939
24-Month
45.3°F
(7.4°C)
44.6°F
(7.0°C)
0.7°F
(0.4°C)
89th Coolest
Coolest since:
1913
39th Warmest
Warmest since:
2017
Ties: 1901, 1911, 1936, 1991, 1997
Jan 1937–Dec 1939
36-Month
44.9°F
(7.2°C)
44.6°F
(7.0°C)
0.3°F
(0.2°C)
77th Coolest
Coolest since:
1913, 1914
50th Warmest
Warmest since:
2017
Ties: 1937, 1938, 1958, 1964
Jan 1936–Dec 1939
48-Month
45.1°F
(7.3°C)
44.6°F
(7.0°C)
0.5°F
(0.3°C)
80th Coolest
Coolest since:
1915
46th Warmest
Warmest since:
2018
Ties: 1940, 1982
Jan 1935–Dec 1939
60-Month
45.1°F
(7.3°C)
44.6°F
(7.0°C)
0.5°F
(0.3°C)
82nd Coolest
Coolest since:
1916
43rd Warmest
Warmest since:
2018
Ties: 1934, 1940

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