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, September 2009

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PeriodValue1901-2000
Mean
AnomalyRank
(1895-2022)
Warmest/Coolest
Since
Record
September 2009
1-Month
57.4°F
(14.1°C)
53.6°F
(12.0°C)
3.8°F
(2.1°C)
117th Coolest
Coolest since:
1965
12th Warmest
Warmest since:
1998
Ties: 1969
Aug–Sep 2009
2-Month
59.6°F
(15.3°C)
58.5°F
(14.7°C)
1.1°F
(0.6°C)
87th Coolest
Coolest since:
1912
42nd Warmest
Warmest since:
2022
Ties: 1954
Jul–Sep 2009
3-Month
60.9°F
(16.1°C)
60.7°F
(15.9°C)
0.2°F
(0.2°C)
60th Coolest
Coolest since:
1912
69th Warmest
Warmest since:
2022
Ties: 1910, 1942
Jun–Sep 2009
4-Month
59.6°F
(15.3°C)
60.0°F
(15.6°C)
-0.4°F
(-0.3°C)
39th Coolest
Coolest since:
1912, 1915
90th Warmest
Warmest since:
2021
Ties: 1929, 1942, 1971, 1974, 1982
May–Sep 2009
5-Month
57.6°F
(14.2°C)
57.7°F
(14.3°C)
-0.1°F
(-0.1°C)
51st Coolest
Coolest since:
1915
78th Warmest
Warmest since:
2012
Ties: 1909, 1923, 1984
Apr–Sep 2009
6-Month
54.4°F
(12.4°C)
54.5°F
(12.5°C)
-0.1°F
(-0.1°C)
49th Coolest
Coolest since:
1912
80th Warmest
Warmest since:
2012
Ties: 1942, 2010
Mar–Sep 2009
7-Month
51.1°F
(10.6°C)
50.9°F
(10.5°C)
0.2°F
(0.1°C)
59th Coolest
Coolest since:
1912
70th Warmest
Warmest since:
2012
Ties: 1941, 1953, 1976
Feb–Sep 2009
8-Month
48.0°F
(8.9°C)
47.3°F
(8.5°C)
0.7°F
(0.4°C)
87th Coolest
Coolest since:
1912
42nd Warmest
Warmest since:
2012
Ties: 1926, 1972, 1999
Jan–Sep 2009
9-Month
45.3°F
(7.4°C)
44.1°F
(6.7°C)
1.2°F
(0.7°C)
91st Coolest
Coolest since:
1917
38th Warmest
Warmest since:
2012
Ties: 1910, 1921, 1938, 1963, 1977
Dec 2008–Sep 2009
10-Month
42.7°F
(5.9°C)
41.8°F
(5.4°C)
0.9°F
(0.5°C)
84th Coolest
Coolest since:
1917
44th Warmest
Warmest since:
1934, 2012
Nov 2008–Sep 2009
11-Month
42.0°F
(5.6°C)
40.6°F
(4.8°C)
1.4°F
(0.8°C)
100th Coolest
Coolest since:
1917
28th Warmest
Warmest since:
1934
Oct 2008–Sep 2009
12-Month
42.1°F
(5.6°C)
40.8°F
(4.9°C)
1.3°F
(0.7°C)
101st Coolest
Coolest since:
1917
27th Warmest
Warmest since:
1934
Ties: 1919, 1998, 2004
Apr 2008–Sep 2009
18-Month
46.0°F
(7.8°C)
45.3°F
(7.4°C)
0.7°F
(0.4°C)
85th Coolest
Coolest since:
1917
43rd Warmest
Warmest since:
1934
Ties: 1967, 1982, 2019
Oct 2007–Sep 2009
24-Month
41.3°F
(5.2°C)
40.8°F
(4.9°C)
0.5°F
(0.3°C)
80th Coolest
Coolest since:
1913, 1917
47th Warmest
Warmest since:
2016
Ties: 1947, 1978, 1997, 2010
Oct 2006–Sep 2009
36-Month
42.0°F
(5.6°C)
40.7°F
(4.8°C)
1.3°F
(0.8°C)
99th Coolest
Coolest since:
1917
27th Warmest
Warmest since:
2017
Ties: 1982, 1988
Oct 2005–Sep 2009
48-Month
42.3°F
(5.7°C)
40.7°F
(4.8°C)
1.6°F
(0.9°C)
110th Coolest
Coolest since:
1899
15th Warmest
Warmest since:
2018
Ties: 2013
Oct 2004–Sep 2009
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
Ties: 2008, 2020

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