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 1917

View Period (Months):
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
September 1917
1-Month
55.2°F
(12.9°C)
53.8°F
(12.1°C)
1.4°F
(0.8°C)
84th Coolest
Coolest since:
1965
45th Warmest
Warmest since:
1998
Ties: 2017
Aug–Sep 1917
2-Month
59.2°F
(15.1°C)
59.0°F
(15.0°C)
0.2°F
(0.1°C)
66th Coolest
Coolest since:
1965
63rd Warmest
Warmest since:
2022
Ties: 1933
Jul–Sep 1917
3-Month
62.4°F
(16.9°C)
61.2°F
(16.2°C)
1.2°F
(0.7°C)
89th Coolest
Coolest since:
1912
40th Warmest
Warmest since:
2022
Ties: 1905, 1976, 1997
Jun–Sep 1917
4-Month
60.7°F
(15.9°C)
60.4°F
(15.8°C)
0.3°F
(0.1°C)
62nd Coolest
Coolest since:
1993
67th Warmest
Warmest since:
2021
Ties: 1987
May–Sep 1917
5-Month
58.1°F
(14.5°C)
58.5°F
(14.7°C)
-0.4°F
(-0.2°C)
46th Coolest
Coolest since:
1907
83rd Warmest
Warmest since:
1936
Ties: 1898, 1953
Apr–Sep 1917
6-Month
54.4°F
(12.4°C)
55.5°F
(13.1°C)
-1.1°F
(-0.7°C)
24th Coolest
Coolest since:
1907
105th Warmest
Warmest since:
1936
Ties: 1920, 1953
Mar–Sep 1917
7-Month
49.5°F
(9.7°C)
51.7°F
(10.9°C)
-2.2°F
(-1.2°C)
9th Coolest
Coolest since:
1965
120th Warmest
Warmest since:
2012
Ties: 1896
Feb–Sep 1917
8-Month
44.9°F
(7.2°C)
47.9°F
(8.8°C)
-3.0°F
(-1.6°C)
5th Coolest
Coolest since:
1899
124th Warmest
Warmest since:
2012, 2016
Ties: 1912
Jan–Sep 1917
9-Month
41.4°F
(5.2°C)
44.5°F
(6.9°C)
-3.1°F
(-1.7°C)
6th Coolest
Coolest since:
1899
123rd Warmest
Warmest since:
2012
Ties: 1912
Dec 1916–Sep 1917
10-Month
38.2°F
(3.4°C)
42.0°F
(5.6°C)
-3.8°F
(-2.2°C)
3rd Coolest
Coolest since:
1950
125th Warmest
Warmest since:
2012
Nov 1916–Sep 1917
11-Month
37.3°F
(2.9°C)
41.0°F
(5.0°C)
-3.7°F
(-2.1°C)
2nd Coolest
Coolest since:
1899
126th Warmest
Warmest since:
2012
Oct 1916–Sep 1917
12-Month
37.4°F
(3.0°C)
41.1°F
(5.1°C)
-3.7°F
(-2.1°C)
2nd Coolest
Coolest since:
1899
126th Warmest
Warmest since:
2012
Apr 1916–Sep 1917
18-Month
42.8°F
(6.0°C)
45.9°F
(7.7°C)
-3.1°F
(-1.7°C)
1st Coolest
Coolest since:
1917
127th Warmest
Warmest since:
2016
Oct 1915–Sep 1917
24-Month
38.2°F
(3.4°C)
41.1°F
(5.1°C)
-2.9°F
(-1.7°C)
1st Coolest
Coolest since:
1917
126th Warmest
Warmest since:
2016
Oct 1914–Sep 1917
36-Month
39.0°F
(3.9°C)
41.1°F
(5.1°C)
-2.1°F
(-1.2°C)
4th Coolest
Coolest since:
1951
122nd Warmest
Warmest since:
2017
Oct 1913–Sep 1917
48-Month
39.7°F
(4.3°C)
41.1°F
(5.1°C)
-1.4°F
(-0.8°C)
5th Coolest
Coolest since:
1952
120th Warmest
Warmest since:
2007, 2017, 2018
Ties: 1950, 1953
Oct 1912–Sep 1917
60-Month
39.8°F
(4.3°C)
41.1°F
(5.1°C)
-1.3°F
(-0.8°C)
4th Coolest
Coolest since:
1952
120th Warmest
Warmest since:
2016
Ties: 1920

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