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, May 2020

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PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Warmest/Coolest
Since		Record
May 2020
1-Month		50.3°F
(10.2°C)		48.4°F
(9.1°C)		1.9°F
(1.1°C)		97th Coolest
Coolest since:
1917
32nd Warmest
Warmest since:
1934
Apr–May 2020
2-Month		44.0°F
(6.7°C)		43.7°F
(6.5°C)		0.3°F
(0.2°C)		66th Coolest
Coolest since:
1917
63rd Warmest
Warmest since:
1934
Ties: 1944
Mar–May 2020
3-Month		40.3°F
(4.6°C)		38.8°F
(3.8°C)		1.5°F
(0.8°C)		98th Coolest
Coolest since:
1917
31st Warmest
Warmest since:
1934
Ties: 1926
Feb–May 2020
4-Month		35.3°F
(1.8°C)		34.7°F
(1.5°C)		0.6°F
(0.3°C)		82nd Coolest
Coolest since:
1917
47th Warmest
Warmest since:
1934, 1992
Ties: 1943, 1980, 1985
Jan–May 2020
5-Month		33.0°F
(0.6°C)		31.4°F
(-0.3°C)		1.6°F
(0.9°C)		96th Coolest
Coolest since:
1917
33rd Warmest
Warmest since:
1934
Ties: 1958
Dec 2019–May 2020
6-Month		31.3°F
(-0.4°C)		29.6°F
(-1.3°C)		1.7°F
(0.9°C)		101st Coolest
Coolest since:
1917
27th Warmest
Warmest since:
1934
Ties: 1961
Nov 2019–May 2020
7-Month		31.2°F
(-0.4°C)		29.5°F
(-1.4°C)		1.7°F
(1.0°C)		104th Coolest
Coolest since:
1917
24th Warmest
Warmest since:
1934
Ties: 1926, 1990
Oct 2019–May 2020
8-Month		31.6°F
(-0.2°C)		31.2°F
(-0.4°C)		0.4°F
(0.2°C)		71st Coolest
Coolest since:
1917
57th Warmest
Warmest since:
1934
Ties: 1905, 1921, 1939, 1978, 1991
Sep 2019–May 2020
9-Month		34.3°F
(1.3°C)		33.6°F
(0.9°C)		0.7°F
(0.4°C)		81st Coolest
Coolest since:
1917
47th Warmest
Warmest since:
1934
Ties: 1974, 1982, 1996
Aug 2019–May 2020
10-Month		37.4°F
(3.0°C)		36.6°F
(2.6°C)		0.8°F
(0.4°C)		88th Coolest
Coolest since:
1917
40th Warmest
Warmest since:
1934
Ties: 1900, 1939, 1977, 1988
Jul 2019–May 2020
11-Month		40.0°F
(4.4°C)		39.2°F
(4.0°C)		0.8°F
(0.4°C)		89th Coolest
Coolest since:
1917
39th Warmest
Warmest since:
1934
Ties: 1946
Jun 2019–May 2020
12-Month		41.4°F
(5.2°C)		40.8°F
(4.9°C)		0.6°F
(0.3°C)		86th Coolest
Coolest since:
1917
42nd Warmest
Warmest since:
1934
Ties: 1958, 1977, 1978, 1982
Dec 2018–May 2020
18-Month		37.2°F
(2.9°C)		37.0°F
(2.8°C)		0.2°F
(0.1°C)		70th Coolest
Coolest since:
1917
57th Warmest
Warmest since:
2016
Ties: 1908, 1919, 1931, 1942, 1953, 1963, 2011
Jun 2018–May 2020
24-Month		41.2°F
(5.1°C)		40.7°F
(4.8°C)		0.5°F
(0.3°C)		79th Coolest
Coolest since:
1917
48th Warmest
Warmest since:
1935
Ties: 1959, 1967, 1977, 2010
Jun 2017–May 2020
36-Month		41.8°F
(5.4°C)		40.7°F
(4.8°C)		1.1°F
(0.6°C)		95th Coolest
Coolest since:
1918
31st Warmest
Warmest since:
2017
Ties: 1942
Jun 2016–May 2020
48-Month		42.2°F
(5.7°C)		40.7°F
(4.8°C)		1.5°F
(0.9°C)		107th Coolest
Coolest since:
1899
18th Warmest
Warmest since:
2018
Ties: 1941
Jun 2015–May 2020
60-Month		42.5°F
(5.8°C)		40.7°F
(4.8°C)		1.8°F
(1.0°C)		113th Coolest
Coolest since:
1917
11th Warmest
Warmest since:
2016, 2017, 2018
Ties: 2002

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