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 1906

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
September 1906
1-Month
56.8°F
(13.8°C)
53.8°F
(12.1°C)
3.0°F
(1.7°C)
105th Coolest
Coolest since:
1965
24th Warmest
Warmest since:
1998
Ties: 1905
Aug–Sep 1906
2-Month
59.8°F
(15.4°C)
59.0°F
(15.0°C)
0.8°F
(0.4°C)
79th Coolest
Coolest since:
1965
50th Warmest
Warmest since:
2022
Ties: 1935
Jul–Sep 1906
3-Month
61.9°F
(16.6°C)
61.2°F
(16.2°C)
0.7°F
(0.4°C)
78th Coolest
Coolest since:
1912
51st Warmest
Warmest since:
2022
Ties: 1949, 2008
Jun–Sep 1906
4-Month
60.3°F
(15.7°C)
60.5°F
(15.8°C)
-0.2°F
(-0.1°C)
46th Coolest
Coolest since:
1993
83rd Warmest
Warmest since:
2021
Ties: 1898, 1925, 1947, 1955, 1974
May–Sep 1906
5-Month
57.9°F
(14.4°C)
58.4°F
(14.7°C)
-0.5°F
(-0.3°C)
41st Coolest
Coolest since:
1907
88th Warmest
Warmest since:
1936
Ties: 1955, 1995
Apr–Sep 1906
6-Month
55.7°F
(13.2°C)
55.5°F
(13.1°C)
0.2°F
(0.1°C)
72nd Coolest
Coolest since:
1907
57th Warmest
Warmest since:
1936
Ties: 1914, 1923, 1946, 1957, 1979
Mar–Sep 1906
7-Month
51.0°F
(10.6°C)
51.7°F
(10.9°C)
-0.7°F
(-0.3°C)
33rd Coolest
Coolest since:
1965
96th Warmest
Warmest since:
2012
Ties: 1911, 1995
Feb–Sep 1906
8-Month
47.8°F
(8.8°C)
47.9°F
(8.8°C)
-0.1°F
(0.0°C)
59th Coolest
Coolest since:
1899
70th Warmest
Warmest since:
2012, 2016
Ties: 1914, 1949, 1985
Jan–Sep 1906
9-Month
44.9°F
(7.2°C)
44.5°F
(6.9°C)
0.4°F
(0.3°C)
71st Coolest
Coolest since:
1899
58th Warmest
Warmest since:
2012
Ties: 1980
Dec 1905–Sep 1906
10-Month
42.6°F
(5.9°C)
42.1°F
(5.6°C)
0.5°F
(0.3°C)
78th Coolest
Coolest since:
1950
50th Warmest
Warmest since:
2012
Ties: 1901, 1925, 1930
Nov 1905–Sep 1906
11-Month
41.6°F
(5.3°C)
41.0°F
(5.0°C)
0.6°F
(0.3°C)
79th Coolest
Coolest since:
1899
49th Warmest
Warmest since:
2012
Oct 1905–Sep 1906
12-Month
41.4°F
(5.2°C)
41.2°F
(5.1°C)
0.2°F
(0.1°C)
67th Coolest
Coolest since:
1899
61st Warmest
Warmest since:
2012
Ties: 1910, 1948
Apr 1905–Sep 1906
18-Month
45.9°F
(7.7°C)
45.9°F
(7.7°C)
0.0°F
(0.0°C)
58th Coolest
Coolest since:
1917
70th Warmest
Warmest since:
2016
Ties: 1930, 1959, 1986
Oct 1904–Sep 1906
24-Month
41.6°F
(5.3°C)
41.1°F
(5.1°C)
0.5°F
(0.2°C)
75th Coolest
Coolest since:
1917
52nd Warmest
Warmest since:
2016
Ties: 1993
Oct 1903–Sep 1906
36-Month
41.1°F
(5.1°C)
41.1°F
(5.1°C)
0.0°F
(0.0°C)
52nd Coolest
Coolest since:
1951
74th Warmest
Warmest since:
2017
Ties: 1944
Oct 1902–Sep 1906
48-Month
40.6°F
(4.8°C)
41.1°F
(5.1°C)
-0.5°F
(-0.3°C)
28th Coolest
Coolest since:
1952
97th Warmest
Warmest since:
2007, 2017, 2018
Ties: 1925, 1973, 1980
Oct 1901–Sep 1906
60-Month
40.7°F
(4.8°C)
41.1°F
(5.1°C)
-0.4°F
(-0.3°C)
30th Coolest
Coolest since:
1952
94th Warmest
Warmest since:
2016
Ties: 1905, 1910, 1971

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