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, August 1998

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PeriodValue1901-2000
Mean
AnomalyRank
(1895-2022)
Warmest/Coolest
Since
Record
August 1998
1-Month
68.1°F
(20.1°C)
64.1°F
(17.8°C)
4.0°F
(2.3°C)
121st Coolest
Coolest since:
1911
8th Warmest
Warmest since:
1971, 2003
Jul–Aug 1998
2-Month
68.6°F
(20.3°C)
64.9°F
(18.3°C)
3.7°F
(2.0°C)
123rd Coolest
Coolest since:
1993
6th Warmest
Warmest since:
2003
Ties: 2017, 2021
Jun–Aug 1998
3-Month
63.9°F
(17.7°C)
62.7°F
(17.1°C)
1.2°F
(0.6°C)
97th Coolest
Coolest since:
1993
32nd Warmest
Warmest since:
1936
Ties: 1934, 1994
May–Aug 1998
4-Month
61.1°F
(16.2°C)
59.6°F
(15.3°C)
1.5°F
(0.9°C)
103rd Coolest
Coolest since:
1907
26th Warmest
Warmest since:
1936
Ties: 1930
Apr–Aug 1998
5-Month
57.6°F
(14.2°C)
55.8°F
(13.2°C)
1.8°F
(1.0°C)
109th Coolest
Coolest since:
1907
20th Warmest
Warmest since:
1936, 1988
Ties: 1940, 1994, 2000
Mar–Aug 1998
6-Month
52.8°F
(11.6°C)
51.4°F
(10.8°C)
1.4°F
(0.8°C)
99th Coolest
Coolest since:
1899
30th Warmest
Warmest since:
1988
Ties: 1933, 1949
Feb–Aug 1998
7-Month
49.6°F
(9.8°C)
47.1°F
(8.4°C)
2.5°F
(1.4°C)
112th Coolest
Coolest since:
1899
17th Warmest
Warmest since:
2016
Jan–Aug 1998
8-Month
45.8°F
(7.7°C)
43.3°F
(6.3°C)
2.5°F
(1.4°C)
108th Coolest
Coolest since:
1899
21st Warmest
Warmest since:
1934
Dec 1997–Aug 1998
9-Month
43.6°F
(6.4°C)
40.8°F
(4.9°C)
2.8°F
(1.5°C)
111th Coolest
Coolest since:
1899
17th Warmest
Warmest since:
2012
Ties: 1983
Nov 1997–Aug 1998
10-Month
42.3°F
(5.7°C)
39.7°F
(4.3°C)
2.6°F
(1.4°C)
110th Coolest
Coolest since:
1899
18th Warmest
Warmest since:
2000
Ties: 1900
Oct 1997–Aug 1998
11-Month
42.4°F
(5.8°C)
40.0°F
(4.4°C)
2.4°F
(1.4°C)
113th Coolest
Coolest since:
1899
15th Warmest
Warmest since:
2000, 2016
Ties: 2003, 2005, 2017
Sep 1997–Aug 1998
12-Month
43.7°F
(6.5°C)
41.1°F
(5.1°C)
2.6°F
(1.4°C)
115th Coolest
Coolest since:
1899
13th Warmest
Warmest since:
2016
Ties: 1931
Mar 1997–Aug 1998
18-Month
46.3°F
(7.9°C)
44.6°F
(7.0°C)
1.7°F
(0.9°C)
107th Coolest
Coolest since:
1899
21st Warmest
Warmest since:
2016
Ties: 1940, 2008
Sep 1996–Aug 1998
24-Month
41.9°F
(5.5°C)
41.1°F
(5.1°C)
0.8°F
(0.4°C)
83rd Coolest
Coolest since:
1917
44th Warmest
Warmest since:
2016
Sep 1995–Aug 1998
36-Month
41.4°F
(5.2°C)
41.1°F
(5.1°C)
0.3°F
(0.1°C)
72nd Coolest
Coolest since:
1899, 1952
54th Warmest
Warmest since:
2017
Ties: 1921, 1931, 1943, 1960, 1965, 1978, 1987
Sep 1994–Aug 1998
48-Month
41.6°F
(5.3°C)
41.1°F
(5.1°C)
0.5°F
(0.2°C)
80th Coolest
Coolest since:
1952
45th Warmest
Warmest since:
2017, 2018
Ties: 1937, 1977
Sep 1993–Aug 1998
60-Month
41.7°F
(5.4°C)
41.1°F
(5.1°C)
0.6°F
(0.3°C)
81st Coolest
Coolest since:
1952
43rd Warmest
Warmest since:
2016
Ties: 1936, 1985, 1996

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