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, May 1930

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
May 1930
1-Month
49.5°F
(9.7°C)
50.2°F
(10.1°C)
-0.7°F
(-0.4°C)
56th Coolest
Coolest since:
1907, 1927
73rd Warmest
Warmest since:
1934
Ties: 1984, 2012
Apr–May 1930
2-Month
48.7°F
(9.3°C)
45.5°F
(7.5°C)
3.2°F
(1.8°C)
116th Coolest
Coolest since:
1975
13th Warmest
Warmest since:
1934
Ties: 1958, 1992
Mar–May 1930
3-Month
41.9°F
(5.5°C)
40.1°F
(4.5°C)
1.8°F
(1.0°C)
96th Coolest
Coolest since:
1899
33rd Warmest
Warmest since:
1910
Ties: 1936
Feb–May 1930
4-Month
38.9°F
(3.8°C)
35.4°F
(1.9°C)
3.5°F
(1.9°C)
116th Coolest
Coolest since:
1899
13th Warmest
Warmest since:
1992
Ties: 1998, 2017
Jan–May 1930
5-Month
31.4°F
(-0.3°C)
31.7°F
(-0.2°C)
-0.3°F
(-0.1°C)
58th Coolest
Coolest since:
1899
71st Warmest
Warmest since:
1992
Ties: 1940, 1993
Dec 1929–May 1930
6-Month
29.4°F
(-1.4°C)
29.9°F
(-1.2°C)
-0.5°F
(-0.2°C)
50th Coolest
Coolest since:
1917
78th Warmest
Warmest since:
1992
Ties: 1905, 2002, 2018
Nov 1929–May 1930
7-Month
29.2°F
(-1.6°C)
29.8°F
(-1.2°C)
-0.6°F
(-0.4°C)
50th Coolest
Coolest since:
1899
78th Warmest
Warmest since:
1992
Oct 1929–May 1930
8-Month
31.1°F
(-0.5°C)
31.5°F
(-0.3°C)
-0.4°F
(-0.2°C)
52nd Coolest
Coolest since:
1899
76th Warmest
Warmest since:
1934, 2000
Ties: 1989
Sep 1929–May 1930
9-Month
33.1°F
(0.6°C)
34.0°F
(1.1°C)
-0.9°F
(-0.5°C)
41st Coolest
Coolest since:
1899
87th Warmest
Warmest since:
2016
Ties: 1898, 1928
Aug 1929–May 1930
10-Month
36.6°F
(2.6°C)
37.0°F
(2.8°C)
-0.4°F
(-0.2°C)
49th Coolest
Coolest since:
1917
79th Warmest
Warmest since:
1992, 2016
Ties: 1923, 1955, 1973
Jul 1929–May 1930
11-Month
39.4°F
(4.1°C)
39.6°F
(4.2°C)
-0.2°F
(-0.1°C)
52nd Coolest
Coolest since:
1917
76th Warmest
Warmest since:
1992, 2016
Jun 1929–May 1930
12-Month
40.9°F
(4.9°C)
41.1°F
(5.1°C)
-0.2°F
(-0.2°C)
54th Coolest
Coolest since:
1917
74th Warmest
Warmest since:
2016
Ties: 1945
Dec 1928–May 1930
18-Month
35.8°F
(2.1°C)
37.4°F
(3.0°C)
-1.6°F
(-0.9°C)
16th Coolest
Coolest since:
1917
111th Warmest
Warmest since:
2016
Ties: 1923, 1936, 1970
Jun 1928–May 1930
24-Month
39.6°F
(4.2°C)
41.1°F
(5.1°C)
-1.5°F
(-0.9°C)
12th Coolest
Coolest since:
1917
115th Warmest
Warmest since:
2016
Ties: 1912
Jun 1927–May 1930
36-Month
39.7°F
(4.3°C)
41.1°F
(5.1°C)
-1.4°F
(-0.8°C)
8th Coolest
Coolest since:
1918
118th Warmest
Warmest since:
2017
Ties: 1898, 1914
Jun 1926–May 1930
48-Month
39.8°F
(4.3°C)
41.1°F
(5.1°C)
-1.3°F
(-0.8°C)
8th Coolest
Coolest since:
1899, 1952
117th Warmest
Warmest since:
2016
Ties: 1900, 1920
Jun 1925–May 1930
60-Month
40.4°F
(4.7°C)
41.1°F
(5.1°C)
-0.7°F
(-0.4°C)
21st Coolest
Coolest since:
1952
103rd Warmest
Warmest since:
2016
Ties: 1912, 1929

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