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 1914

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
September 1914
1-Month
54.2°F
(12.3°C)
53.8°F
(12.1°C)
0.4°F
(0.2°C)
61st Coolest
Coolest since:
1965
68th Warmest
Warmest since:
1998
Ties: 1933, 1957
Aug–Sep 1914
2-Month
58.3°F
(14.6°C)
59.0°F
(15.0°C)
-0.7°F
(-0.4°C)
43rd Coolest
Coolest since:
1965
86th Warmest
Warmest since:
2022
Ties: 1987, 2004
Jul–Sep 1914
3-Month
61.5°F
(16.4°C)
61.2°F
(16.2°C)
0.3°F
(0.2°C)
61st Coolest
Coolest since:
1912
68th Warmest
Warmest since:
2022
Ties: 1952, 1961, 1970, 1973
Jun–Sep 1914
4-Month
60.5°F
(15.8°C)
60.5°F
(15.8°C)
0.0°F
(0.0°C)
55th Coolest
Coolest since:
1993
74th Warmest
Warmest since:
2021
Ties: 1913, 1929, 1984
May–Sep 1914
5-Month
58.6°F
(14.8°C)
58.4°F
(14.7°C)
0.2°F
(0.1°C)
66th Coolest
Coolest since:
1907
63rd Warmest
Warmest since:
1936
Ties: 1920, 1971, 1980, 1983
Apr–Sep 1914
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: 1906, 1923, 1946, 1957, 1979
Mar–Sep 1914
7-Month
52.3°F
(11.3°C)
51.7°F
(10.9°C)
0.6°F
(0.4°C)
81st Coolest
Coolest since:
1965
48th Warmest
Warmest since:
2012
Ties: 1905, 1973
Feb–Sep 1914
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: 1906, 1949, 1985
Jan–Sep 1914
9-Month
45.1°F
(7.3°C)
44.5°F
(6.9°C)
0.6°F
(0.4°C)
77th Coolest
Coolest since:
1899
52nd Warmest
Warmest since:
2012
Ties: 1967, 2010
Dec 1913–Sep 1914
10-Month
42.9°F
(6.1°C)
42.1°F
(5.6°C)
0.8°F
(0.5°C)
82nd Coolest
Coolest since:
1950
46th Warmest
Warmest since:
2012
Ties: 1974
Nov 1913–Sep 1914
11-Month
42.0°F
(5.6°C)
41.0°F
(5.0°C)
1.0°F
(0.6°C)
89th Coolest
Coolest since:
1899
39th Warmest
Warmest since:
2012
Oct 1913–Sep 1914
12-Month
41.7°F
(5.4°C)
41.2°F
(5.1°C)
0.5°F
(0.3°C)
75th Coolest
Coolest since:
1899
53rd Warmest
Warmest since:
2012
Ties: 1925, 1935, 2008
Apr 1913–Sep 1914
18-Month
46.3°F
(7.9°C)
45.9°F
(7.7°C)
0.4°F
(0.2°C)
75th Coolest
Coolest since:
1917
53rd Warmest
Warmest since:
2016
Ties: 1970, 1994, 2009, 2014
Oct 1912–Sep 1914
24-Month
40.9°F
(4.9°C)
41.1°F
(5.1°C)
-0.2°F
(-0.2°C)
48th Coolest
Coolest since:
1917
79th Warmest
Warmest since:
2016
Ties: 1905, 1978
Oct 1911–Sep 1914
36-Month
39.9°F
(4.4°C)
41.1°F
(5.1°C)
-1.2°F
(-0.7°C)
10th Coolest
Coolest since:
1951
116th Warmest
Warmest since:
2017
Ties: 1900
Oct 1910–Sep 1914
48-Month
40.0°F
(4.4°C)
41.1°F
(5.1°C)
-1.1°F
(-0.7°C)
12th Coolest
Coolest since:
1952
113th Warmest
Warmest since:
2007, 2017, 2018
Oct 1909–Sep 1914
60-Month
40.3°F
(4.6°C)
41.1°F
(5.1°C)
-0.8°F
(-0.5°C)
17th Coolest
Coolest since:
1952
107th Warmest
Warmest since:
2016
Ties: 1924, 1972

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