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 2020

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PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Warmest/Coolest
Since		Record
December 2020
1-Month		24.5°F
(-4.2°C)		20.6°F
(-6.3°C)		3.9°F
(2.1°C)		107th Coolest
Coolest since:
1909, 1983
22nd Warmest
Warmest since:
1980
Nov–Dec 2020
2-Month		28.8°F
(-1.8°C)		24.8°F
(-4.0°C)		4.0°F
(2.2°C)		115th Coolest
Coolest since:
1978
14th Warmest
Warmest since:
1999
Oct–Dec 2020
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: 1921, 1943, 1958, 2001, 2005, 2012
Sep–Dec 2020
4-Month		38.6°F
(3.7°C)		36.4°F
(2.4°C)		2.2°F
(1.3°C)		108th Coolest
Coolest since:
1919, 1985
21st Warmest
Warmest since:
2021
Ties: 1910, 1917, 2005
Aug–Dec 2020
5-Month		44.4°F
(6.9°C)		41.8°F
(5.4°C)		2.6°F
(1.5°C)		118th Coolest
Coolest since:
1916, 1985
11th Warmest
Warmest since:
2021
Jul–Dec 2020
6-Month		48.1°F
(8.9°C)		45.7°F
(7.6°C)		2.4°F
(1.3°C)		119th Coolest
Coolest since:
1911
10th Warmest
Warmest since:
2021
Jun–Dec 2020
7-Month		49.8°F
(9.9°C)		47.4°F
(8.6°C)		2.4°F
(1.3°C)		118th Coolest
Coolest since:
1916
11th Warmest
Warmest since:
2021
Ties: 1939
May–Dec 2020
8-Month		49.8°F
(9.9°C)		47.6°F
(8.7°C)		2.2°F
(1.2°C)		118th Coolest
Coolest since:
1916
11th Warmest
Warmest since:
2021
Ties: 1940
Apr–Dec 2020
9-Month		48.5°F
(9.2°C)		46.6°F
(8.1°C)		1.9°F
(1.1°C)		113th Coolest
Coolest since:
1916
16th Warmest
Warmest since:
2021
Ties: 1910, 1954, 1981, 2003
Mar–Dec 2020
10-Month		46.9°F
(8.3°C)		44.8°F
(7.1°C)		2.1°F
(1.2°C)		112th Coolest
Coolest since:
1912
17th Warmest
Warmest since:
2012
Ties: 1963
Feb–Dec 2020
11-Month		44.5°F
(6.9°C)		42.8°F
(6.0°C)		1.7°F
(0.9°C)		110th Coolest
Coolest since:
1912
19th Warmest
Warmest since:
2012
Ties: 2005
Jan–Dec 2020
12-Month		42.8°F
(6.0°C)		40.8°F
(4.9°C)		2.0°F
(1.1°C)		114th Coolest
Coolest since:
1895
15th Warmest
Warmest since:
2012
Ties: 1988, 2005
Jul 2019–Dec 2020
18-Month		43.8°F
(6.6°C)		42.4°F
(5.8°C)		1.4°F
(0.8°C)		104th Coolest
Coolest since:
1912
24th Warmest
Warmest since:
1934
Ties: 1953
Jan 2019–Dec 2020
24-Month		41.5°F
(5.3°C)		40.8°F
(4.9°C)		0.7°F
(0.4°C)		89th Coolest
Coolest since:
1917
39th Warmest
Warmest since:
2016
Ties: 1990, 2011
Jan 2018–Dec 2020
36-Month		41.8°F
(5.4°C)		40.7°F
(4.8°C)		1.1°F
(0.6°C)		94th Coolest
Coolest since:
1913, 1917, 1918
33rd Warmest
Warmest since:
2017
Ties: 1955, 1982
Jan 2017–Dec 2020
48-Month		42.2°F
(5.7°C)		40.7°F
(4.8°C)		1.5°F
(0.9°C)		108th Coolest
Coolest since:
1898
18th Warmest
Warmest since:
2018
Ties: 1936, 1989, 2012
Jan 2016–Dec 2020
60-Month		42.5°F
(5.8°C)		40.7°F
(4.8°C)		1.8°F
(1.0°C)		114th Coolest
Coolest since:
1899
11th Warmest
Warmest since:
2016
Ties: 2001, 2004, 2008, 2021

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