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 1980

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
September 1980
1-Month
54.7°F
(12.6°C)
53.8°F
(12.1°C)
0.9°F
(0.5°C)
71st Coolest
Coolest since:
1965
58th Warmest
Warmest since:
1998
Ties: 1930, 1943
Aug–Sep 1980
2-Month
57.3°F
(14.1°C)
59.0°F
(15.0°C)
-1.7°F
(-0.9°C)
25th Coolest
Coolest since:
1965
104th Warmest
Warmest since:
2022
Ties: 1968
Jul–Sep 1980
3-Month
60.2°F
(15.7°C)
61.2°F
(16.2°C)
-1.0°F
(-0.5°C)
30th Coolest
Coolest since:
1912
99th Warmest
Warmest since:
2022
Ties: 1916
Jun–Sep 1980
4-Month
59.9°F
(15.5°C)
60.5°F
(15.8°C)
-0.6°F
(-0.3°C)
37th Coolest
Coolest since:
1993
92nd Warmest
Warmest since:
2021
Ties: 1978, 2010
May–Sep 1980
5-Month
58.6°F
(14.8°C)
58.4°F
(14.7°C)
0.2°F
(0.1°C)
62nd Coolest
Coolest since:
1907
67th Warmest
Warmest since:
1936
Ties: 1914, 1920, 1971, 1983
Apr–Sep 1980
6-Month
56.5°F
(13.6°C)
55.5°F
(13.1°C)
1.0°F
(0.5°C)
95th Coolest
Coolest since:
1907
34th Warmest
Warmest since:
1936
Ties: 1963, 1976, 1991
Mar–Sep 1980
7-Month
52.5°F
(11.4°C)
51.7°F
(10.9°C)
0.8°F
(0.5°C)
84th Coolest
Coolest since:
1965
45th Warmest
Warmest since:
2012
Feb–Sep 1980
8-Month
48.9°F
(9.4°C)
47.9°F
(8.8°C)
1.0°F
(0.6°C)
87th Coolest
Coolest since:
1899
42nd Warmest
Warmest since:
2012, 2016
Ties: 1921, 1986
Jan–Sep 1980
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: 1906
Dec 1979–Sep 1980
10-Month
43.2°F
(6.2°C)
42.1°F
(5.6°C)
1.1°F
(0.6°C)
85th Coolest
Coolest since:
1950
43rd Warmest
Warmest since:
2012
Nov 1979–Sep 1980
11-Month
41.7°F
(5.4°C)
41.0°F
(5.0°C)
0.7°F
(0.4°C)
83rd Coolest
Coolest since:
1899
45th Warmest
Warmest since:
2012
Ties: 1995, 2002, 2004
Oct 1979–Sep 1980
12-Month
42.1°F
(5.6°C)
41.2°F
(5.1°C)
0.9°F
(0.5°C)
85th Coolest
Coolest since:
1899
43rd Warmest
Warmest since:
2012
Apr 1979–Sep 1980
18-Month
46.6°F
(8.1°C)
45.9°F
(7.7°C)
0.7°F
(0.4°C)
84th Coolest
Coolest since:
1917
44th Warmest
Warmest since:
2016
Ties: 1901
Oct 1978–Sep 1980
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, 1956, 1969, 1970
Oct 1977–Sep 1980
36-Month
40.0°F
(4.4°C)
41.1°F
(5.1°C)
-1.1°F
(-0.7°C)
12th Coolest
Coolest since:
1951
114th Warmest
Warmest since:
2017
Ties: 1898
Oct 1976–Sep 1980
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: 1906, 1925, 1973
Oct 1975–Sep 1980
60-Month
41.0°F
(5.0°C)
41.1°F
(5.1°C)
-0.1°F
(-0.1°C)
50th Coolest
Coolest since:
1952
74th Warmest
Warmest since:
2016
Ties: 1925, 1926, 1927, 1932, 1966, 1970, 1976, 1986

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