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 1928

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
May 1928
1-Month
55.3°F
(12.9°C)
50.2°F
(10.1°C)
5.1°F
(2.8°C)
122nd Coolest
Coolest since:
1907, 1927
7th Warmest
Warmest since:
1934
Apr–May 1928
2-Month
46.4°F
(8.0°C)
45.5°F
(7.5°C)
0.9°F
(0.5°C)
83rd Coolest
Coolest since:
1975
46th Warmest
Warmest since:
1934
Ties: 1940, 1943
Mar–May 1928
3-Month
42.0°F
(5.6°C)
40.1°F
(4.5°C)
1.9°F
(1.1°C)
97th Coolest
Coolest since:
1899
32nd Warmest
Warmest since:
1910
Feb–May 1928
4-Month
37.0°F
(2.8°C)
35.4°F
(1.9°C)
1.6°F
(0.9°C)
93rd Coolest
Coolest since:
1899
36th Warmest
Warmest since:
1992
Ties: 1974
Jan–May 1928
5-Month
33.5°F
(0.8°C)
31.7°F
(-0.2°C)
1.8°F
(1.0°C)
89th Coolest
Coolest since:
1899
40th Warmest
Warmest since:
1992
Dec 1927–May 1928
6-Month
29.0°F
(-1.7°C)
29.9°F
(-1.2°C)
-0.9°F
(-0.5°C)
44th Coolest
Coolest since:
1917
84th Warmest
Warmest since:
1992
Ties: 1985, 1997
Nov 1927–May 1928
7-Month
28.5°F
(-1.9°C)
29.8°F
(-1.2°C)
-1.3°F
(-0.7°C)
35th Coolest
Coolest since:
1899
93rd Warmest
Warmest since:
1992
Ties: 1913, 1972, 2019
Oct 1927–May 1928
8-Month
30.7°F
(-0.7°C)
31.5°F
(-0.3°C)
-0.8°F
(-0.4°C)
44th Coolest
Coolest since:
1899
84th Warmest
Warmest since:
1934, 2000
Sep 1927–May 1928
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, 1930
Aug 1927–May 1928
10-Month
35.9°F
(2.2°C)
37.0°F
(2.8°C)
-1.1°F
(-0.6°C)
31st Coolest
Coolest since:
1917
97th Warmest
Warmest since:
1992, 2016
Ties: 1933, 1960, 1985, 1996, 2019
Jul 1927–May 1928
11-Month
38.4°F
(3.6°C)
39.6°F
(4.2°C)
-1.2°F
(-0.6°C)
27th Coolest
Coolest since:
1917
101st Warmest
Warmest since:
1992, 2016
Ties: 1996
Jun 1927–May 1928
12-Month
40.0°F
(4.4°C)
41.1°F
(5.1°C)
-1.1°F
(-0.7°C)
26th Coolest
Coolest since:
1917
102nd Warmest
Warmest since:
2016
Ties: 1943
Dec 1926–May 1928
18-Month
36.1°F
(2.3°C)
37.4°F
(3.0°C)
-1.3°F
(-0.7°C)
23rd Coolest
Coolest since:
1917
104th Warmest
Warmest since:
2016
Ties: 1900, 1965
Jun 1926–May 1928
24-Month
40.0°F
(4.4°C)
41.1°F
(5.1°C)
-1.1°F
(-0.7°C)
20th Coolest
Coolest since:
1917
107th Warmest
Warmest since:
2016
Ties: 1937
Jun 1925–May 1928
36-Month
40.9°F
(4.9°C)
41.1°F
(5.1°C)
-0.2°F
(-0.2°C)
44th Coolest
Coolest since:
1918
82nd Warmest
Warmest since:
2017
Ties: 1906, 1931, 1974, 1975, 1986
Jun 1924–May 1928
48-Month
41.0°F
(5.0°C)
41.1°F
(5.1°C)
-0.1°F
(-0.1°C)
51st Coolest
Coolest since:
1899, 1952
74th Warmest
Warmest since:
2016
Ties: 1924, 1955, 1981
Jun 1923–May 1928
60-Month
41.1°F
(5.1°C)
41.1°F
(5.1°C)
0.0°F
(0.0°C)
55th Coolest
Coolest since:
1952
69th Warmest
Warmest since:
2016
Ties: 1926, 1947, 1957, 1966, 1968

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