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 1921

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
December 1921
1-Month
21.7°F
(-5.7°C)
20.6°F
(-6.3°C)
1.1°F
(0.6°C)
72nd Coolest
Coolest since:
1909, 1983
57th Warmest
Warmest since:
1980
Ties: 1937
Nov–Dec 1921
2-Month
26.3°F
(-3.2°C)
24.8°F
(-4.0°C)
1.5°F
(0.8°C)
87th Coolest
Coolest since:
1978
42nd Warmest
Warmest since:
1999
Oct–Dec 1921
3-Month
32.9°F
(0.5°C)
30.7°F
(-0.7°C)
2.2°F
(1.2°C)
106th Coolest
Coolest since:
1919
23rd Warmest
Warmest since:
1999
Ties: 1943, 1958, 2001, 2005, 2012, 2020
Sep–Dec 1921
4-Month
37.7°F
(3.2°C)
36.4°F
(2.4°C)
1.3°F
(0.8°C)
93rd Coolest
Coolest since:
1919, 1985
36th Warmest
Warmest since:
2021
Ties: 1966, 2007
Aug–Dec 1921
5-Month
42.8°F
(6.0°C)
41.8°F
(5.4°C)
1.0°F
(0.6°C)
88th Coolest
Coolest since:
1916, 1985
41st Warmest
Warmest since:
2021
Jul–Dec 1921
6-Month
46.7°F
(8.2°C)
45.7°F
(7.6°C)
1.0°F
(0.6°C)
87th Coolest
Coolest since:
1911
42nd Warmest
Warmest since:
2021
Ties: 1949, 1989, 2004
Jun–Dec 1921
7-Month
48.6°F
(9.2°C)
47.4°F
(8.6°C)
1.2°F
(0.6°C)
94th Coolest
Coolest since:
1916
35th Warmest
Warmest since:
2021
Ties: 1900, 1943, 2014
May–Dec 1921
8-Month
48.7°F
(9.3°C)
47.6°F
(8.7°C)
1.1°F
(0.6°C)
92nd Coolest
Coolest since:
1916
37th Warmest
Warmest since:
2021
Ties: 1901
Apr–Dec 1921
9-Month
47.3°F
(8.5°C)
46.6°F
(8.1°C)
0.7°F
(0.4°C)
82nd Coolest
Coolest since:
1916
47th Warmest
Warmest since:
2021
Ties: 2010, 2022
Mar–Dec 1921
10-Month
45.9°F
(7.7°C)
44.8°F
(7.1°C)
1.1°F
(0.6°C)
94th Coolest
Coolest since:
1912
35th Warmest
Warmest since:
2012
Ties: 1949, 1962
Feb–Dec 1921
11-Month
44.1°F
(6.7°C)
42.8°F
(6.0°C)
1.3°F
(0.7°C)
100th Coolest
Coolest since:
1912
29th Warmest
Warmest since:
2012
Ties: 1900
Jan–Dec 1921
12-Month
42.2°F
(5.7°C)
40.8°F
(4.9°C)
1.4°F
(0.8°C)
98th Coolest
Coolest since:
1895
31st Warmest
Warmest since:
2012
Jul 1920–Dec 1921
18-Month
43.0°F
(6.1°C)
42.4°F
(5.8°C)
0.6°F
(0.3°C)
82nd Coolest
Coolest since:
1912
46th Warmest
Warmest since:
1934
Ties: 1946, 1994, 1996
Jan 1920–Dec 1921
24-Month
40.8°F
(4.9°C)
40.8°F
(4.9°C)
0.0°F
(0.0°C)
59th Coolest
Coolest since:
1917
69th Warmest
Warmest since:
2016
Ties: 1938, 1942, 1943, 1957, 1986, 2009
Jan 1919–Dec 1921
36-Month
40.6°F
(4.8°C)
40.7°F
(4.8°C)
-0.1°F
(0.0°C)
53rd Coolest
Coolest since:
1913, 1917, 1918
74th Warmest
Warmest since:
2017
Ties: 1968, 1969
Jan 1918–Dec 1921
48-Month
40.5°F
(4.7°C)
40.7°F
(4.8°C)
-0.2°F
(-0.1°C)
41st Coolest
Coolest since:
1898
85th Warmest
Warmest since:
2018
Ties: 1902, 1910, 1947, 1953, 1967, 1968, 1970, 1976, 1978
Jan 1917–Dec 1921
60-Month
40.1°F
(4.5°C)
40.7°F
(4.8°C)
-0.6°F
(-0.3°C)
21st Coolest
Coolest since:
1899
104th Warmest
Warmest since:
2016
Ties: 1923, 1926, 1975

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