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.

Montana

Average Temperature Rankings, May 2015

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  • Record Warmest
PeriodValue1901-2000
Mean
AnomalyRank
(1895-2022)
Warmest/Coolest
Since
Record
May 2015
1-Month
49.6°F
(9.8°C)
50.2°F
(10.1°C)
-0.6°F
(-0.3°C)
59th Coolest
Coolest since:
1907, 1927
70th Warmest
Warmest since:
1934
Ties: 1924, 1960, 2008
Apr–May 2015
2-Month
46.2°F
(7.9°C)
45.5°F
(7.5°C)
0.7°F
(0.4°C)
79th Coolest
Coolest since:
1975
50th Warmest
Warmest since:
1934
Ties: 1948, 2004
Mar–May 2015
3-Month
44.0°F
(6.7°C)
40.1°F
(4.5°C)
3.9°F
(2.2°C)
121st Coolest
Coolest since:
1899
8th Warmest
Warmest since:
1910
Ties: 1994, 2007
Feb–May 2015
4-Month
39.7°F
(4.3°C)
35.4°F
(1.9°C)
4.3°F
(2.4°C)
124th Coolest
Coolest since:
1899
5th Warmest
Warmest since:
1992
Ties: 1926, 1977, 2012
Jan–May 2015
5-Month
36.7°F
(2.6°C)
31.7°F
(-0.2°C)
5.0°F
(2.8°C)
123rd Coolest
Coolest since:
1899
6th Warmest
Warmest since:
1992
Ties: 2012
Dec 2014–May 2015
6-Month
34.8°F
(1.6°C)
29.9°F
(-1.2°C)
4.9°F
(2.8°C)
122nd Coolest
Coolest since:
1917
6th Warmest
Warmest since:
1992
Ties: 1926, 1981, 2000
Nov 2014–May 2015
7-Month
33.4°F
(0.8°C)
29.8°F
(-1.2°C)
3.6°F
(2.0°C)
116th Coolest
Coolest since:
1899
12th Warmest
Warmest since:
1992
Oct 2014–May 2015
8-Month
35.2°F
(1.8°C)
31.5°F
(-0.3°C)
3.7°F
(2.1°C)
119th Coolest
Coolest since:
1899
9th Warmest
Warmest since:
1934, 2000
Sep 2014–May 2015
9-Month
37.4°F
(3.0°C)
34.0°F
(1.1°C)
3.4°F
(1.9°C)
120th Coolest
Coolest since:
1899
8th Warmest
Warmest since:
2016
Ties: 1999
Aug 2014–May 2015
10-Month
40.2°F
(4.6°C)
37.0°F
(2.8°C)
3.2°F
(1.8°C)
121st Coolest
Coolest since:
1917
7th Warmest
Warmest since:
1992, 2016
Jul 2014–May 2015
11-Month
42.7°F
(5.9°C)
39.6°F
(4.2°C)
3.1°F
(1.7°C)
121st Coolest
Coolest since:
1917
7th Warmest
Warmest since:
1992, 2016
Jun 2014–May 2015
12-Month
43.8°F
(6.6°C)
41.1°F
(5.1°C)
2.7°F
(1.5°C)
118th Coolest
Coolest since:
1917
10th Warmest
Warmest since:
2016
Ties: 2007
Dec 2013–May 2015
18-Month
39.0°F
(3.9°C)
37.4°F
(3.0°C)
1.6°F
(0.9°C)
100th Coolest
Coolest since:
1917
27th Warmest
Warmest since:
2016
Ties: 1984, 1989, 2012
Jun 2013–May 2015
24-Month
42.8°F
(6.0°C)
41.1°F
(5.1°C)
1.7°F
(0.9°C)
108th Coolest
Coolest since:
1917
19th Warmest
Warmest since:
2016
Ties: 1991
Jun 2012–May 2015
36-Month
42.9°F
(6.1°C)
41.1°F
(5.1°C)
1.8°F
(1.0°C)
112th Coolest
Coolest since:
1918
14th Warmest
Warmest since:
2017
Ties: 2004, 2022
Jun 2011–May 2015
48-Month
43.3°F
(6.3°C)
41.1°F
(5.1°C)
2.2°F
(1.2°C)
119th Coolest
Coolest since:
1899, 1952
6th Warmest
Warmest since:
2016
Ties: 2001, 2006
Jun 2010–May 2015
60-Month
42.7°F
(5.9°C)
41.1°F
(5.1°C)
1.6°F
(0.8°C)
110th Coolest
Coolest since:
1952
14th Warmest
Warmest since:
2016
Ties: 2001, 2010

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