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, September 2012

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
September 2012
1-Month
58.2°F
(14.6°C)
53.8°F
(12.1°C)
4.4°F
(2.5°C)
113th Coolest
Coolest since:
1965
16th Warmest
Warmest since:
1998
Aug–Sep 2012
2-Month
62.4°F
(16.9°C)
58.9°F
(14.9°C)
3.5°F
(2.0°C)
118th Coolest
Coolest since:
1965
11th Warmest
Warmest since:
2022
Ties: 1922
Jul–Sep 2012
3-Month
65.2°F
(18.4°C)
61.2°F
(16.2°C)
4.0°F
(2.2°C)
126th Coolest
Coolest since:
1912
3rd Warmest
Warmest since:
2022
Ties: 1936, 2021
Jun–Sep 2012
4-Month
63.9°F
(17.7°C)
60.4°F
(15.8°C)
3.5°F
(1.9°C)
125th Coolest
Coolest since:
1993
4th Warmest
Warmest since:
2021
May–Sep 2012
5-Month
61.1°F
(16.2°C)
58.5°F
(14.7°C)
2.6°F
(1.5°C)
119th Coolest
Coolest since:
1907
10th Warmest
Warmest since:
1936
Ties: 1998
Apr–Sep 2012
6-Month
58.4°F
(14.7°C)
55.5°F
(13.1°C)
2.9°F
(1.6°C)
125th Coolest
Coolest since:
1907
4th Warmest
Warmest since:
1936
Mar–Sep 2012
7-Month
55.6°F
(13.1°C)
51.7°F
(10.9°C)
3.9°F
(2.2°C)
128th Coolest
Coolest since:
1965
1st Warmest
Warmest to Date
2012
Feb–Sep 2012
8-Month
51.8°F
(11.0°C)
47.9°F
(8.8°C)
3.9°F
(2.2°C)
128th Coolest
Coolest since:
1899
1st Warmest
Warmest to Date
2012, 2016
Ties: 2016
Jan–Sep 2012
9-Month
48.8°F
(9.3°C)
44.4°F
(6.9°C)
4.4°F
(2.4°C)
128th Coolest
Coolest since:
1899
1st Warmest
Warmest to Date
2012
Dec 2011–Sep 2012
10-Month
46.6°F
(8.1°C)
42.1°F
(5.6°C)
4.5°F
(2.5°C)
127th Coolest
Coolest since:
1950
1st Warmest
Warmest to Date
2012
Nov 2011–Sep 2012
11-Month
45.1°F
(7.3°C)
41.0°F
(5.0°C)
4.1°F
(2.3°C)
127th Coolest
Coolest since:
1899
1st Warmest
Warmest to Date
2012
Oct 2011–Sep 2012
12-Month
45.1°F
(7.3°C)
41.1°F
(5.1°C)
4.0°F
(2.2°C)
127th Coolest
Coolest since:
1899
1st Warmest
Warmest to Date
2012
Apr 2011–Sep 2012
18-Month
48.6°F
(9.2°C)
45.9°F
(7.7°C)
2.7°F
(1.5°C)
124th Coolest
Coolest since:
1917
4th Warmest
Warmest since:
2016
Oct 2010–Sep 2012
24-Month
43.0°F
(6.1°C)
41.1°F
(5.1°C)
1.9°F
(1.0°C)
112th Coolest
Coolest since:
1917
15th Warmest
Warmest since:
2016
Ties: 1941
Oct 2009–Sep 2012
36-Month
42.2°F
(5.7°C)
41.1°F
(5.1°C)
1.1°F
(0.6°C)
97th Coolest
Coolest since:
1951
29th Warmest
Warmest since:
2017
Ties: 1936, 1963, 1983
Oct 2008–Sep 2012
48-Month
42.2°F
(5.7°C)
41.1°F
(5.1°C)
1.1°F
(0.6°C)
97th Coolest
Coolest since:
1952
28th Warmest
Warmest since:
2007, 2017, 2018
Ties: 1964, 1983
Oct 2007–Sep 2012
60-Month
42.1°F
(5.6°C)
41.1°F
(5.1°C)
1.0°F
(0.5°C)
94th Coolest
Coolest since:
1952
30th Warmest
Warmest since:
2016
Ties: 1941, 1989

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