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 1939

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PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Warmest/Coolest
Since		Record
May 1939
1-Month		52.5°F
(11.4°C)		48.4°F
(9.1°C)		4.1°F
(2.3°C)		119th Coolest
Coolest since:
1917
10th Warmest
Warmest since:
1934
Apr–May 1939
2-Month		47.3°F
(8.5°C)		43.7°F
(6.5°C)		3.6°F
(2.0°C)		122nd Coolest
Coolest since:
1917
7th Warmest
Warmest since:
1934
Ties: 1969, 1985
Mar–May 1939
3-Month		41.8°F
(5.4°C)		38.8°F
(3.8°C)		3.0°F
(1.6°C)		114th Coolest
Coolest since:
1917
15th Warmest
Warmest since:
1934
Ties: 1900
Feb–May 1939
4-Month		34.5°F
(1.4°C)		34.7°F
(1.5°C)		-0.2°F
(-0.1°C)		55th Coolest
Coolest since:
1917
74th Warmest
Warmest since:
1934, 1992
Ties: 1898, 1947, 1966
Jan–May 1939
5-Month		32.0°F
(0.0°C)		31.4°F
(-0.3°C)		0.6°F
(0.3°C)		75th Coolest
Coolest since:
1917
54th Warmest
Warmest since:
1934
Ties: 1963, 2021
Dec 1938–May 1939
6-Month		30.5°F
(-0.8°C)		29.6°F
(-1.3°C)		0.9°F
(0.5°C)		79th Coolest
Coolest since:
1917
49th Warmest
Warmest since:
1934
Ties: 1943, 1947, 1980
Nov 1938–May 1939
7-Month		29.5°F
(-1.4°C)		29.5°F
(-1.4°C)		0.0°F
(0.0°C)		50th Coolest
Coolest since:
1917
78th Warmest
Warmest since:
1934
Ties: 1915, 1971, 1980
Oct 1938–May 1939
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, 1978, 1991, 2020
Sep 1938–May 1939
9-Month		34.4°F
(1.3°C)		33.6°F
(0.9°C)		0.8°F
(0.4°C)		84th Coolest
Coolest since:
1917
44th Warmest
Warmest since:
1934
Ties: 1976, 1980
Aug 1938–May 1939
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, 1977, 1988, 2020
Jul 1938–May 1939
11-Month		39.8°F
(4.3°C)		39.2°F
(4.0°C)		0.6°F
(0.3°C)		82nd Coolest
Coolest since:
1917
46th Warmest
Warmest since:
1934
Ties: 1900, 1943, 1964, 1976, 1980, 1996
Jun 1938–May 1939
12-Month		41.5°F
(5.3°C)		40.8°F
(4.9°C)		0.7°F
(0.4°C)		88th Coolest
Coolest since:
1917
40th Warmest
Warmest since:
1934
Ties: 1901
Dec 1937–May 1939
18-Month		37.9°F
(3.3°C)		37.0°F
(2.8°C)		0.9°F
(0.5°C)		85th Coolest
Coolest since:
1917
42nd Warmest
Warmest since:
2016
Ties: 1967, 1990, 1996
Jun 1937–May 1939
24-Month		41.7°F
(5.4°C)		40.7°F
(4.8°C)		1.0°F
(0.6°C)		92nd Coolest
Coolest since:
1917
35th Warmest
Warmest since:
1935
Jun 1936–May 1939
36-Month		41.2°F
(5.1°C)		40.7°F
(4.8°C)		0.5°F
(0.3°C)		80th Coolest
Coolest since:
1918
46th Warmest
Warmest since:
2017
Ties: 1954, 1963, 1994, 1996, 2011
Jun 1935–May 1939
48-Month		41.0°F
(5.0°C)		40.7°F
(4.8°C)		0.3°F
(0.2°C)		70th Coolest
Coolest since:
1899
55th Warmest
Warmest since:
2018
Ties: 1954, 1959, 1960
Jun 1934–May 1939
60-Month		41.2°F
(5.1°C)		40.7°F
(4.8°C)		0.5°F
(0.3°C)		78th Coolest
Coolest since:
1917
46th Warmest
Warmest since:
2016, 2017, 2018
Ties: 1934, 1961, 1981, 1982, 1985

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