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 1956

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PeriodValue1901-2000
Mean
AnomalyRank
(1895-2022)
Warmest/Coolest
Since
Record
September 1956
1-Month
54.9°F
(12.7°C)
53.8°F
(12.1°C)
1.1°F
(0.6°C)
77th Coolest
Coolest since:
1965
52nd Warmest
Warmest since:
1998
Aug–Sep 1956
2-Month
58.5°F
(14.7°C)
59.0°F
(15.0°C)
-0.5°F
(-0.3°C)
46th Coolest
Coolest since:
1965
83rd Warmest
Warmest since:
2022
Ties: 1984, 2002
Jul–Sep 1956
3-Month
60.7°F
(15.9°C)
61.2°F
(16.2°C)
-0.5°F
(-0.3°C)
40th Coolest
Coolest since:
1912
89th Warmest
Warmest since:
2022
Ties: 1901, 1941, 1975, 1999, 2010
Jun–Sep 1956
4-Month
60.9°F
(16.1°C)
60.5°F
(15.8°C)
0.4°F
(0.3°C)
77th Coolest
Coolest since:
1993
52nd Warmest
Warmest since:
2021
Ties: 1909, 1918, 1948, 1952, 1973, 1976, 2018, 2019
May–Sep 1956
5-Month
59.0°F
(15.0°C)
58.4°F
(14.7°C)
0.6°F
(0.3°C)
81st Coolest
Coolest since:
1907
48th Warmest
Warmest since:
1936
Ties: 1923, 1941, 1948, 1952, 1969, 1989, 2011, 2014
Apr–Sep 1956
6-Month
55.5°F
(13.1°C)
55.5°F
(13.1°C)
0.0°F
(0.0°C)
58th Coolest
Coolest since:
1907
71st Warmest
Warmest since:
1936
Ties: 1921, 1947, 1992, 1996, 2011, 2019
Mar–Sep 1956
7-Month
51.7°F
(10.9°C)
51.7°F
(10.9°C)
0.0°F
(0.0°C)
55th Coolest
Coolest since:
1965
74th Warmest
Warmest since:
2012
Ties: 1923, 1932, 1971
Feb–Sep 1956
8-Month
47.3°F
(8.5°C)
47.9°F
(8.8°C)
-0.6°F
(-0.3°C)
42nd Coolest
Coolest since:
1899
87th Warmest
Warmest since:
2012, 2016
Ties: 1915, 1924, 1979
Jan–Sep 1956
9-Month
43.7°F
(6.5°C)
44.5°F
(6.9°C)
-0.8°F
(-0.4°C)
39th Coolest
Coolest since:
1899
90th Warmest
Warmest since:
2012
Ties: 1897, 1989
Dec 1955–Sep 1956
10-Month
40.9°F
(4.9°C)
42.1°F
(5.6°C)
-1.2°F
(-0.7°C)
30th Coolest
Coolest since:
1950
98th Warmest
Warmest since:
2012
Ties: 1896, 1952
Nov 1955–Sep 1956
11-Month
38.8°F
(3.8°C)
41.0°F
(5.0°C)
-2.2°F
(-1.2°C)
11th Coolest
Coolest since:
1899
117th Warmest
Warmest since:
2012
Ties: 1993
Oct 1955–Sep 1956
12-Month
39.4°F
(4.1°C)
41.2°F
(5.1°C)
-1.8°F
(-1.0°C)
14th Coolest
Coolest since:
1899
114th Warmest
Warmest since:
2012
Ties: 1949, 1969
Apr 1955–Sep 1956
18-Month
44.5°F
(6.9°C)
45.9°F
(7.7°C)
-1.4°F
(-0.8°C)
14th Coolest
Coolest since:
1917
114th Warmest
Warmest since:
2016
Ties: 1897, 1913, 1950
Oct 1954–Sep 1956
24-Month
40.2°F
(4.6°C)
41.1°F
(5.1°C)
-0.9°F
(-0.5°C)
24th Coolest
Coolest since:
1917
103rd Warmest
Warmest since:
2016
Ties: 1937, 1969, 1970, 1980
Oct 1953–Sep 1956
36-Month
40.7°F
(4.8°C)
41.1°F
(5.1°C)
-0.4°F
(-0.3°C)
35th Coolest
Coolest since:
1951
91st Warmest
Warmest since:
2017
Ties: 1908, 1928, 1937, 1966, 1969
Oct 1952–Sep 1956
48-Month
41.2°F
(5.1°C)
41.1°F
(5.1°C)
0.1°F
(0.0°C)
60th Coolest
Coolest since:
1952
65th Warmest
Warmest since:
2007, 2017, 2018
Ties: 1921, 1939, 1948, 1955, 1960, 1962
Oct 1951–Sep 1956
60-Month
40.9°F
(4.9°C)
41.1°F
(5.1°C)
-0.2°F
(-0.2°C)
41st Coolest
Coolest since:
1952
83rd Warmest
Warmest since:
2016
Ties: 1904, 1922, 1928, 1949, 1959, 1960, 1968, 1997

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