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 1998

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
September 1998
1-Month
59.9°F
(15.5°C)
53.6°F
(12.0°C)
6.3°F
(3.5°C)
128th Coolest
Coolest since:
1965
1st Warmest
Warmest to Date
1998
Aug–Sep 1998
2-Month
62.6°F
(17.0°C)
58.5°F
(14.7°C)
4.1°F
(2.3°C)
126th Coolest
Coolest since:
1912
3rd Warmest
Warmest to Date
2022
Jul–Sep 1998
3-Month
64.4°F
(18.0°C)
60.8°F
(16.0°C)
3.6°F
(2.0°C)
125th Coolest
Coolest since:
1912
4th Warmest
Warmest to Date
2022
Jun–Sep 1998
4-Month
61.4°F
(16.3°C)
60.0°F
(15.6°C)
1.4°F
(0.7°C)
101st Coolest
Coolest since:
1912, 1915
28th Warmest
Warmest since:
2021
Ties: 1937, 1954, 1960, 1981
May–Sep 1998
5-Month
59.2°F
(15.1°C)
57.7°F
(14.3°C)
1.5°F
(0.8°C)
105th Coolest
Coolest since:
1915
24th Warmest
Warmest since:
2012
Ties: 1900, 1966, 2017
Apr–Sep 1998
6-Month
55.9°F
(13.3°C)
54.5°F
(12.5°C)
1.4°F
(0.8°C)
94th Coolest
Coolest since:
1912
35th Warmest
Warmest since:
2012
Ties: 1948
Mar–Sep 1998
7-Month
52.0°F
(11.1°C)
50.9°F
(10.5°C)
1.1°F
(0.6°C)
95th Coolest
Coolest since:
1912
34th Warmest
Warmest since:
2012
Ties: 1925, 1931, 2004, 2005
Feb–Sep 1998
8-Month
48.8°F
(9.3°C)
47.3°F
(8.5°C)
1.5°F
(0.8°C)
100th Coolest
Coolest since:
1912
29th Warmest
Warmest since:
2012
Ties: 1919, 2020, 2022
Jan–Sep 1998
9-Month
45.9°F
(7.7°C)
44.1°F
(6.7°C)
1.8°F
(1.0°C)
104th Coolest
Coolest since:
1917
25th Warmest
Warmest since:
2012
Ties: 1919, 1931
Dec 1997–Sep 1998
10-Month
43.4°F
(6.3°C)
41.8°F
(5.4°C)
1.6°F
(0.9°C)
105th Coolest
Coolest since:
1917
23rd Warmest
Warmest since:
1934, 2012
Ties: 1919, 1990, 2013
Nov 1997–Sep 1998
11-Month
42.1°F
(5.6°C)
40.6°F
(4.8°C)
1.5°F
(0.8°C)
103rd Coolest
Coolest since:
1917
25th Warmest
Warmest since:
1934
Ties: 1900, 1999
Oct 1997–Sep 1998
12-Month
42.1°F
(5.6°C)
40.7°F
(4.8°C)
1.4°F
(0.8°C)
101st Coolest
Coolest since:
1917
27th Warmest
Warmest since:
1934
Ties: 1919, 2004, 2009
Apr 1997–Sep 1998
18-Month
46.3°F
(7.9°C)
45.3°F
(7.4°C)
1.0°F
(0.5°C)
93rd Coolest
Coolest since:
1917
35th Warmest
Warmest since:
1934
Ties: 1991, 2014
Oct 1996–Sep 1998
24-Month
41.6°F
(5.3°C)
40.7°F
(4.8°C)
0.9°F
(0.5°C)
90th Coolest
Coolest since:
1913, 1917
37th Warmest
Warmest since:
2016
Ties: 1939, 1964, 1977
Oct 1995–Sep 1998
36-Month
41.6°F
(5.3°C)
40.7°F
(4.8°C)
0.9°F
(0.5°C)
88th Coolest
Coolest since:
1917
38th Warmest
Warmest since:
2017
Oct 1994–Sep 1998
48-Month
41.5°F
(5.3°C)
40.7°F
(4.8°C)
0.8°F
(0.5°C)
87th Coolest
Coolest since:
1899
38th Warmest
Warmest since:
2018
Ties: 1934, 1984
Oct 1993–Sep 1998
60-Month
41.7°F
(5.4°C)
40.7°F
(4.8°C)
1.0°F
(0.6°C)
97th Coolest
Coolest since:
1917
27th Warmest
Warmest since:
2016
Ties: 1935, 1999

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