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 2001

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PeriodValue1901-2000
Mean
AnomalyRank
(1895-2022)
Warmest/Coolest
Since
Record
May 2001
1-Month
53.3°F
(11.8°C)
50.2°F
(10.1°C)
3.1°F
(1.7°C)
108th Coolest
Coolest since:
1907, 1927
21st Warmest
Warmest since:
1934
Apr–May 2001
2-Month
47.2°F
(8.4°C)
45.5°F
(7.5°C)
1.7°F
(0.9°C)
97th Coolest
Coolest since:
1975
32nd Warmest
Warmest since:
1934
Ties: 1932, 1981, 2012, 2017
Mar–May 2001
3-Month
42.7°F
(5.9°C)
40.1°F
(4.5°C)
2.6°F
(1.4°C)
105th Coolest
Coolest since:
1899
24th Warmest
Warmest since:
1910
Ties: 1977, 1980
Feb–May 2001
4-Month
36.2°F
(2.3°C)
35.4°F
(1.9°C)
0.8°F
(0.4°C)
80th Coolest
Coolest since:
1899
49th Warmest
Warmest since:
1992
Ties: 1901, 1993, 1997
Jan–May 2001
5-Month
33.9°F
(1.1°C)
31.7°F
(-0.2°C)
2.2°F
(1.3°C)
94th Coolest
Coolest since:
1899
35th Warmest
Warmest since:
1992
Ties: 2020
Dec 2000–May 2001
6-Month
30.9°F
(-0.6°C)
29.9°F
(-1.2°C)
1.0°F
(0.6°C)
82nd Coolest
Coolest since:
1917
46th Warmest
Warmest since:
1992
Ties: 1906, 1991
Nov 2000–May 2001
7-Month
29.6°F
(-1.3°C)
29.8°F
(-1.2°C)
-0.2°F
(-0.1°C)
53rd Coolest
Coolest since:
1899
75th Warmest
Warmest since:
1992
Ties: 1918, 1967, 2014
Oct 2000–May 2001
8-Month
31.3°F
(-0.4°C)
31.5°F
(-0.3°C)
-0.2°F
(-0.1°C)
56th Coolest
Coolest since:
1899
72nd Warmest
Warmest since:
1934, 2000
Ties: 1955, 1967, 1973
Sep 2000–May 2001
9-Month
33.9°F
(1.1°C)
34.0°F
(1.1°C)
-0.1°F
(0.0°C)
58th Coolest
Coolest since:
1899
70th Warmest
Warmest since:
2016
Ties: 1935
Aug 2000–May 2001
10-Month
37.2°F
(2.9°C)
37.0°F
(2.8°C)
0.2°F
(0.1°C)
64th Coolest
Coolest since:
1917
64th Warmest
Warmest since:
1992, 2016
Ties: 1924, 1945, 1967
Jul 2000–May 2001
11-Month
40.0°F
(4.4°C)
39.6°F
(4.2°C)
0.4°F
(0.2°C)
69th Coolest
Coolest since:
1917
59th Warmest
Warmest since:
1992, 2016
Ties: 1905, 1914, 1924, 1967
Jun 2000–May 2001
12-Month
41.5°F
(5.3°C)
41.1°F
(5.1°C)
0.4°F
(0.2°C)
68th Coolest
Coolest since:
1917
60th Warmest
Warmest since:
2016
Ties: 1902, 1905, 1906, 1908, 1932, 1942
Dec 1999–May 2001
18-Month
39.3°F
(4.1°C)
37.4°F
(3.0°C)
1.9°F
(1.1°C)
107th Coolest
Coolest since:
1917
20th Warmest
Warmest since:
2016
Ties: 1977
Jun 1999–May 2001
24-Month
42.9°F
(6.1°C)
41.1°F
(5.1°C)
1.8°F
(1.0°C)
110th Coolest
Coolest since:
1917
17th Warmest
Warmest since:
2016
Ties: 1934
Jun 1998–May 2001
36-Month
43.3°F
(6.3°C)
41.1°F
(5.1°C)
2.2°F
(1.2°C)
117th Coolest
Coolest since:
1918
9th Warmest
Warmest since:
2017
Jun 1997–May 2001
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 to Date
2016
Ties: 2006, 2015
Jun 1996–May 2001
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: 2010, 2015

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