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.

Wyoming

Average Temperature Rankings, December 1939

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Warmest/Coolest
Since
Record
December 1939
1-Month
29.2°F
(-1.6°C)
20.6°F
(-6.3°C)
8.6°F
(4.7°C)
126th Coolest
Coolest since:
1909, 1983
2nd Warmest
Warmest to Date
1980
Nov–Dec 1939
2-Month
31.3°F
(-0.4°C)
24.8°F
(-4.0°C)
6.5°F
(3.6°C)
125th Coolest
Coolest since:
1978
3rd Warmest
Warmest to Date
1999
Oct–Dec 1939
3-Month
35.4°F
(1.9°C)
30.7°F
(-0.7°C)
4.7°F
(2.6°C)
124th Coolest
Coolest since:
1919
4th Warmest
Warmest since:
1999
Sep–Dec 1939
4-Month
40.5°F
(4.7°C)
36.4°F
(2.4°C)
4.1°F
(2.3°C)
125th Coolest
Coolest since:
1919
3rd Warmest
Warmest since:
2021
Aug–Dec 1939
5-Month
45.0°F
(7.2°C)
41.8°F
(5.4°C)
3.2°F
(1.8°C)
124th Coolest
Coolest since:
1916, 1985
4th Warmest
Warmest since:
2021
Ties: 1999
Jul–Dec 1939
6-Month
48.8°F
(9.3°C)
45.8°F
(7.7°C)
3.0°F
(1.6°C)
125th Coolest
Coolest since:
1911
3rd Warmest
Warmest since:
2021
Ties: 2001, 2012
Jun–Dec 1939
7-Month
49.8°F
(9.9°C)
47.5°F
(8.6°C)
2.3°F
(1.3°C)
117th Coolest
Coolest since:
1916
11th Warmest
Warmest since:
2021
Ties: 2020
May–Dec 1939
8-Month
50.1°F
(10.1°C)
47.6°F
(8.7°C)
2.5°F
(1.4°C)
121st Coolest
Coolest since:
1916
7th Warmest
Warmest since:
2021
Ties: 1963
Apr–Dec 1939
9-Month
49.2°F
(9.6°C)
46.6°F
(8.1°C)
2.6°F
(1.5°C)
122nd Coolest
Coolest since:
1916
6th Warmest
Warmest since:
2021
Mar–Dec 1939
10-Month
47.4°F
(8.6°C)
44.9°F
(7.2°C)
2.5°F
(1.4°C)
120th Coolest
Coolest since:
1912
8th Warmest
Warmest since:
2012
Ties: 2016, 2017
Feb–Dec 1939
11-Month
44.2°F
(6.8°C)
42.8°F
(6.0°C)
1.4°F
(0.8°C)
101st Coolest
Coolest since:
1912
27th Warmest
Warmest since:
2012
Ties: 2000
Jan–Dec 1939
12-Month
42.4°F
(5.8°C)
40.8°F
(4.9°C)
1.6°F
(0.9°C)
103rd Coolest
Coolest since:
1895
25th Warmest
Warmest since:
2012
Ties: 1900, 2004, 2018
Jul 1938–Dec 1939
18-Month
43.7°F
(6.5°C)
42.4°F
(5.8°C)
1.3°F
(0.7°C)
102nd Coolest
Coolest since:
1912
25th Warmest
Warmest since:
1934
Ties: 1992, 1998, 2014
Jan 1938–Dec 1939
24-Month
42.0°F
(5.6°C)
40.7°F
(4.8°C)
1.3°F
(0.8°C)
100th Coolest
Coolest since:
1917
27th Warmest
Warmest since:
2016
Ties: 1989, 2008
Jan 1937–Dec 1939
36-Month
41.3°F
(5.2°C)
40.7°F
(4.8°C)
0.6°F
(0.4°C)
84th Coolest
Coolest since:
1913, 1917, 1918
42nd Warmest
Warmest since:
2017
Ties: 1956, 1987, 1997, 2011
Jan 1936–Dec 1939
48-Month
41.3°F
(5.2°C)
40.7°F
(4.8°C)
0.6°F
(0.4°C)
80th Coolest
Coolest since:
1898
45th Warmest
Warmest since:
2018
Ties: 1954, 1981
Jan 1935–Dec 1939
60-Month
41.2°F
(5.1°C)
40.7°F
(4.8°C)
0.5°F
(0.3°C)
75th Coolest
Coolest since:
1899
49th Warmest
Warmest since:
2016
Ties: 1962, 1993

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