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 2010

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PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Warmest/Coolest
Since		Record
May 2010
1-Month		46.3°F
(7.9°C)		50.2°F
(10.1°C)		-3.9°F
(-2.2°C)		8th Coolest
Coolest since:
1907, 1927
121st Warmest
Warmest since:
1934
Ties: 1953
Apr–May 2010
2-Month		44.0°F
(6.7°C)		45.5°F
(7.5°C)		-1.5°F
(-0.8°C)		36th Coolest
Coolest since:
1975
93rd Warmest
Warmest since:
1934
Ties: 1911, 1973
Mar–May 2010
3-Month		41.4°F
(5.2°C)		40.1°F
(4.5°C)		1.3°F
(0.7°C)		88th Coolest
Coolest since:
1899
41st Warmest
Warmest since:
1910
Ties: 1914, 1958
Feb–May 2010
4-Month		36.3°F
(2.4°C)		35.4°F
(1.9°C)		0.9°F
(0.5°C)		81st Coolest
Coolest since:
1899
48th Warmest
Warmest since:
1992
Jan–May 2010
5-Month		33.2°F
(0.7°C)		31.7°F
(-0.2°C)		1.5°F
(0.9°C)		84th Coolest
Coolest since:
1899
45th Warmest
Warmest since:
1992
Dec 2009–May 2010
6-Month		29.6°F
(-1.3°C)		29.9°F
(-1.2°C)		-0.3°F
(-0.1°C)		56th Coolest
Coolest since:
1917
72nd Warmest
Warmest since:
1992
Nov 2009–May 2010
7-Month		30.4°F
(-0.9°C)		29.8°F
(-1.2°C)		0.6°F
(0.3°C)		69th Coolest
Coolest since:
1899
59th Warmest
Warmest since:
1992
Ties: 2002
Oct 2009–May 2010
8-Month		31.2°F
(-0.4°C)		31.5°F
(-0.3°C)		-0.3°F
(-0.1°C)		54th Coolest
Coolest since:
1899
74th Warmest
Warmest since:
1934, 2000
Ties: 2018
Sep 2009–May 2010
9-Month		34.5°F
(1.4°C)		34.0°F
(1.1°C)		0.5°F
(0.3°C)		68th Coolest
Coolest since:
1899
60th Warmest
Warmest since:
2016
Ties: 1945, 1974
Aug 2009–May 2010
10-Month		37.4°F
(3.0°C)		37.0°F
(2.8°C)		0.4°F
(0.2°C)		69th Coolest
Coolest since:
1917
59th Warmest
Warmest since:
1992, 2016
Ties: 1901, 1925, 1994, 2014
Jul 2009–May 2010
11-Month		39.8°F
(4.3°C)		39.6°F
(4.2°C)		0.2°F
(0.1°C)		59th Coolest
Coolest since:
1917
69th Warmest
Warmest since:
1992, 2016
Ties: 1925
Jun 2009–May 2010
12-Month		41.2°F
(5.1°C)		41.1°F
(5.1°C)		0.1°F
(0.0°C)		58th Coolest
Coolest since:
1917
70th Warmest
Warmest since:
2016
Ties: 1948
Dec 2008–May 2010
18-Month		37.4°F
(3.0°C)		37.4°F
(3.0°C)		0.0°F
(0.0°C)		62nd Coolest
Coolest since:
1917
65th Warmest
Warmest since:
2016
Ties: 1906, 1953, 2020
Jun 2008–May 2010
24-Month		41.5°F
(5.3°C)		41.1°F
(5.1°C)		0.4°F
(0.2°C)		72nd Coolest
Coolest since:
1917
55th Warmest
Warmest since:
2016
Ties: 1906, 1919, 1946, 1963
Jun 2007–May 2010
36-Month		41.9°F
(5.5°C)		41.1°F
(5.1°C)		0.8°F
(0.4°C)		89th Coolest
Coolest since:
1918
37th Warmest
Warmest since:
2017
Ties: 1902, 1939, 1994
Jun 2006–May 2010
48-Month		42.4°F
(5.8°C)		41.1°F
(5.1°C)		1.3°F
(0.7°C)		102nd Coolest
Coolest since:
1899, 1952
23rd Warmest
Warmest since:
2016
Ties: 1989, 2014
Jun 2005–May 2010
60-Month		42.7°F
(5.9°C)		41.1°F
(5.1°C)		1.6°F
(0.8°C)		110th Coolest
Coolest since:
1952
14th Warmest
Warmest since:
2016
Ties: 2001, 2015

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