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, April 2009

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  • Record Coolest
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  • Top 1/3
  • Top 1/10
  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
April 2009
1-Month
39.8°F
(4.3°C)
40.7°F
(4.8°C)
-0.9°F
(-0.5°C)
50th Coolest
Coolest since:
1975
79th Warmest
Warmest since:
1915
Ties: 1963
Mar–Apr 2009
2-Month
34.0°F
(1.1°C)
35.0°F
(1.7°C)
-1.0°F
(-0.6°C)
48th Coolest
Coolest since:
1899
81st Warmest
Warmest since:
1910
Ties: 1936, 1995
Feb–Apr 2009
3-Month
31.1°F
(-0.5°C)
30.5°F
(-0.8°C)
0.6°F
(0.3°C)
79th Coolest
Coolest since:
1899
50th Warmest
Warmest since:
2016
Ties: 1972
Jan–Apr 2009
4-Month
28.6°F
(-1.9°C)
27.1°F
(-2.7°C)
1.5°F
(0.8°C)
82nd Coolest
Coolest since:
1899
47th Warmest
Warmest since:
1992
Ties: 1906, 1994, 2022
Dec 2008–Apr 2009
5-Month
25.7°F
(-3.5°C)
25.8°F
(-3.4°C)
-0.1°F
(-0.1°C)
58th Coolest
Coolest since:
1917
70th Warmest
Warmest since:
1992
Nov 2008–Apr 2009
6-Month
27.4°F
(-2.6°C)
26.5°F
(-3.1°C)
0.9°F
(0.5°C)
74th Coolest
Coolest since:
1979
54th Warmest
Warmest since:
1992
Ties: 1902, 1968, 2008
Oct 2008–Apr 2009
7-Month
29.7°F
(-1.3°C)
28.8°F
(-1.8°C)
0.9°F
(0.5°C)
73rd Coolest
Coolest since:
1899, 1917
55th Warmest
Warmest since:
2000, 2016
Ties: 1914, 1945, 2002
Sep 2008–Apr 2009
8-Month
32.7°F
(0.4°C)
32.0°F
(0.0°C)
0.7°F
(0.4°C)
71st Coolest
Coolest since:
1917
57th Warmest
Warmest since:
2016
Ties: 1910, 1967
Aug 2008–Apr 2009
9-Month
36.3°F
(2.4°C)
35.5°F
(1.9°C)
0.8°F
(0.5°C)
74th Coolest
Coolest since:
1917
54th Warmest
Warmest since:
2016
Ties: 1910, 1914, 1915, 1919
Jul 2008–Apr 2009
10-Month
39.4°F
(4.1°C)
38.6°F
(3.7°C)
0.8°F
(0.4°C)
78th Coolest
Coolest since:
1917
50th Warmest
Warmest since:
2016
Ties: 1906, 1984, 2020
Jun 2008–Apr 2009
11-Month
40.9°F
(4.9°C)
40.3°F
(4.6°C)
0.6°F
(0.3°C)
72nd Coolest
Coolest since:
1917
56th Warmest
Warmest since:
2016
Ties: 1914, 1935, 2014
May 2008–Apr 2009
12-Month
41.6°F
(5.3°C)
41.1°F
(5.1°C)
0.5°F
(0.2°C)
71st Coolest
Coolest since:
1917
57th Warmest
Warmest since:
2016
Ties: 1900, 1924, 1976, 1984, 2010, 2018
Nov 2007–Apr 2009
18-Month
36.9°F
(2.7°C)
36.2°F
(2.3°C)
0.7°F
(0.4°C)
77th Coolest
Coolest since:
1917
50th Warmest
Warmest since:
2016
Ties: 1945, 1946, 1968, 1974
May 2007–Apr 2009
24-Month
42.3°F
(5.7°C)
41.1°F
(5.1°C)
1.2°F
(0.6°C)
94th Coolest
Coolest since:
1917
33rd Warmest
Warmest since:
2016
May 2006–Apr 2009
36-Month
42.8°F
(6.0°C)
41.1°F
(5.1°C)
1.7°F
(0.9°C)
108th Coolest
Coolest since:
1918
18th Warmest
Warmest since:
2017
Ties: 2002
May 2005–Apr 2009
48-Month
43.0°F
(6.1°C)
41.1°F
(5.1°C)
1.9°F
(1.0°C)
113th Coolest
Coolest since:
1952
12th Warmest
Warmest since:
2007, 2016, 2017
Ties: 2005
May 2004–Apr 2009
60-Month
43.0°F
(6.1°C)
41.1°F
(5.1°C)
1.9°F
(1.0°C)
115th Coolest
Coolest since:
1952
9th Warmest
Warmest since:
2016
Ties: 1991, 2003, 2019

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