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, December 1998

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PeriodValue1901-2000
Mean
AnomalyRank
(1895-2022)
Warmest/Coolest
Since
Record
December 1998
1-Month
21.3°F
(-5.9°C)
20.6°F
(-6.3°C)
0.7°F
(0.4°C)
65th Coolest
Coolest since:
1909, 1983
64th Warmest
Warmest since:
1980
Ties: 1918, 1966, 1988, 1996
Nov–Dec 1998
2-Month
27.2°F
(-2.7°C)
24.8°F
(-4.0°C)
2.4°F
(1.3°C)
103rd Coolest
Coolest since:
1978
26th Warmest
Warmest since:
1999
Ties: 1946, 1958, 1969
Oct–Dec 1998
3-Month
32.5°F
(0.3°C)
30.7°F
(-0.7°C)
1.8°F
(1.0°C)
97th Coolest
Coolest since:
1919
32nd Warmest
Warmest since:
1999
Ties: 1901
Sep–Dec 1998
4-Month
39.4°F
(4.1°C)
36.4°F
(2.4°C)
3.0°F
(1.7°C)
119th Coolest
Coolest since:
1919, 1985
10th Warmest
Warmest since:
2021
Aug–Dec 1998
5-Month
44.5°F
(6.9°C)
41.8°F
(5.4°C)
2.7°F
(1.5°C)
120th Coolest
Coolest since:
1916, 1985
9th Warmest
Warmest since:
2021
Ties: 1953
Jul–Dec 1998
6-Month
48.5°F
(9.2°C)
45.7°F
(7.6°C)
2.8°F
(1.6°C)
122nd Coolest
Coolest since:
1911
7th Warmest
Warmest since:
2021
Ties: 1999
Jun–Dec 1998
7-Month
49.0°F
(9.4°C)
47.4°F
(8.6°C)
1.6°F
(0.8°C)
106th Coolest
Coolest since:
1916
23rd Warmest
Warmest since:
2021
Ties: 1910, 2022
May–Dec 1998
8-Month
49.2°F
(9.6°C)
47.6°F
(8.7°C)
1.6°F
(0.9°C)
108th Coolest
Coolest since:
1916
21st Warmest
Warmest since:
2021
Ties: 1953, 1958, 2003
Apr–Dec 1998
9-Month
48.1°F
(8.9°C)
46.6°F
(8.1°C)
1.5°F
(0.8°C)
104th Coolest
Coolest since:
1916
25th Warmest
Warmest since:
2021
Ties: 1900, 1977
Mar–Dec 1998
10-Month
46.1°F
(7.8°C)
44.8°F
(7.1°C)
1.3°F
(0.7°C)
100th Coolest
Coolest since:
1912
29th Warmest
Warmest since:
2012
Ties: 1954, 1977
Feb–Dec 1998
11-Month
44.3°F
(6.8°C)
42.8°F
(6.0°C)
1.5°F
(0.8°C)
105th Coolest
Coolest since:
1912
24th Warmest
Warmest since:
2012
Ties: 1980, 1992
Jan–Dec 1998
12-Month
42.5°F
(5.8°C)
40.8°F
(4.9°C)
1.7°F
(0.9°C)
110th Coolest
Coolest since:
1895
19th Warmest
Warmest since:
2012
Ties: 1940, 1963, 1987, 1992, 2000
Jul 1997–Dec 1998
18-Month
43.7°F
(6.5°C)
42.4°F
(5.8°C)
1.3°F
(0.7°C)
102nd Coolest
Coolest since:
1912
26th Warmest
Warmest since:
1934
Ties: 1939, 1992, 2014
Jan 1997–Dec 1998
24-Month
41.9°F
(5.5°C)
40.8°F
(4.9°C)
1.1°F
(0.6°C)
97th Coolest
Coolest since:
1917
31st Warmest
Warmest since:
2016
Ties: 2014
Jan 1996–Dec 1998
36-Month
41.6°F
(5.3°C)
40.7°F
(4.8°C)
0.9°F
(0.5°C)
91st Coolest
Coolest since:
1913, 1917, 1918
36th Warmest
Warmest since:
2017
Ties: 1991, 2009
Jan 1995–Dec 1998
48-Month
41.6°F
(5.3°C)
40.7°F
(4.8°C)
0.9°F
(0.5°C)
91st Coolest
Coolest since:
1898
35th Warmest
Warmest since:
2018
Ties: 1940, 1942, 1955, 1956, 1983
Jan 1994–Dec 1998
60-Month
41.9°F
(5.5°C)
40.7°F
(4.8°C)
1.2°F
(0.7°C)
100th Coolest
Coolest since:
1899
25th Warmest
Warmest since:
2016
Ties: 1999, 2012

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