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 1990

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  • Record Coolest
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
September 1990
1-Month
59.3°F
(15.2°C)
53.6°F
(12.0°C)
5.7°F
(3.2°C)
125th Coolest
Coolest since:
1965
4th Warmest
Warmest to Date
1998
Aug–Sep 1990
2-Month
61.8°F
(16.6°C)
58.4°F
(14.7°C)
3.4°F
(1.9°C)
122nd Coolest
Coolest since:
1912
7th Warmest
Warmest since:
2022
Ties: 2015
Jul–Sep 1990
3-Month
62.9°F
(17.2°C)
60.8°F
(16.0°C)
2.1°F
(1.2°C)
112th Coolest
Coolest since:
1912
17th Warmest
Warmest since:
2022
Ties: 1919
Jun–Sep 1990
4-Month
62.0°F
(16.7°C)
59.9°F
(15.5°C)
2.1°F
(1.2°C)
109th Coolest
Coolest since:
1912, 1915
20th Warmest
Warmest since:
2021
Ties: 2000
May–Sep 1990
5-Month
58.9°F
(14.9°C)
57.6°F
(14.2°C)
1.3°F
(0.7°C)
97th Coolest
Coolest since:
1915
32nd Warmest
Warmest since:
2012
Ties: 1939, 1952, 1956, 1958, 1969
Apr–Sep 1990
6-Month
56.0°F
(13.3°C)
54.5°F
(12.5°C)
1.5°F
(0.8°C)
99th Coolest
Coolest since:
1912
30th Warmest
Warmest since:
2012
Ties: 1952, 1960, 1963, 2017
Mar–Sep 1990
7-Month
52.6°F
(11.4°C)
50.9°F
(10.5°C)
1.7°F
(0.9°C)
104th Coolest
Coolest since:
1912
25th Warmest
Warmest since:
2012
Feb–Sep 1990
8-Month
48.9°F
(9.4°C)
47.3°F
(8.5°C)
1.6°F
(0.9°C)
104th Coolest
Coolest since:
1912
25th Warmest
Warmest since:
2012
Ties: 1931, 2005, 2013
Jan–Sep 1990
9-Month
46.1°F
(7.8°C)
44.1°F
(6.7°C)
2.0°F
(1.1°C)
109th Coolest
Coolest since:
1917
20th Warmest
Warmest since:
2012
Ties: 1986, 2020
Dec 1989–Sep 1990
10-Month
43.4°F
(6.3°C)
41.7°F
(5.4°C)
1.7°F
(0.9°C)
105th Coolest
Coolest since:
1917
23rd Warmest
Warmest since:
1934, 2012
Ties: 1919, 1998, 2013
Nov 1989–Sep 1990
11-Month
42.4°F
(5.8°C)
40.6°F
(4.8°C)
1.8°F
(1.0°C)
105th Coolest
Coolest since:
1917
23rd Warmest
Warmest since:
1934
Oct 1989–Sep 1990
12-Month
42.4°F
(5.8°C)
40.7°F
(4.8°C)
1.7°F
(1.0°C)
106th Coolest
Coolest since:
1917
22nd Warmest
Warmest since:
1934
Apr 1989–Sep 1990
18-Month
46.8°F
(8.2°C)
45.3°F
(7.4°C)
1.5°F
(0.8°C)
103rd Coolest
Coolest since:
1917
25th Warmest
Warmest since:
1934
Ties: 1941, 1999
Oct 1988–Sep 1990
24-Month
42.0°F
(5.6°C)
40.8°F
(4.9°C)
1.2°F
(0.7°C)
101st Coolest
Coolest since:
1913, 1917
26th Warmest
Warmest since:
2016
Ties: 1989, 1991
Oct 1987–Sep 1990
36-Month
42.2°F
(5.7°C)
40.7°F
(4.8°C)
1.5°F
(0.9°C)
108th Coolest
Coolest since:
1917
18th Warmest
Warmest since:
2017
Ties: 1940, 1992, 2004, 2012
Oct 1986–Sep 1990
48-Month
42.2°F
(5.7°C)
40.7°F
(4.8°C)
1.5°F
(0.9°C)
108th Coolest
Coolest since:
1899
17th Warmest
Warmest to Date
2018
Ties: 2020, 2022
Oct 1985–Sep 1990
60-Month
42.0°F
(5.6°C)
40.7°F
(4.8°C)
1.3°F
(0.8°C)
101st Coolest
Coolest since:
1917
23rd Warmest
Warmest to Date
2016
Ties: 2010

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