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 2012

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PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Warmest/Coolest
Since		Record
May 2012
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: 1930, 1984
Apr–May 2012
2-Month		47.2°F
(8.4°C)		45.5°F
(7.5°C)		1.7°F
(0.9°C)		97th Coolest
Coolest since:
1975
32nd Warmest
Warmest since:
1934
Ties: 1932, 1981, 2001, 2017
Mar–May 2012
3-Month		44.6°F
(7.0°C)		40.1°F
(4.5°C)		4.5°F
(2.5°C)		124th Coolest
Coolest since:
1899
5th Warmest
Warmest since:
1910
Feb–May 2012
4-Month		39.7°F
(4.3°C)		35.4°F
(1.9°C)		4.3°F
(2.4°C)		124th Coolest
Coolest since:
1899
5th Warmest
Warmest since:
1992
Ties: 1926, 1977, 2015
Jan–May 2012
5-Month		36.7°F
(2.6°C)		31.7°F
(-0.2°C)		5.0°F
(2.8°C)		123rd Coolest
Coolest since:
1899
6th Warmest
Warmest since:
1992
Ties: 2015
Dec 2011–May 2012
6-Month		35.0°F
(1.7°C)		29.9°F
(-1.2°C)		5.1°F
(2.9°C)		123rd Coolest
Coolest since:
1917
5th Warmest
Warmest since:
1992
Nov 2011–May 2012
7-Month		34.3°F
(1.3°C)		29.8°F
(-1.2°C)		4.5°F
(2.5°C)		121st Coolest
Coolest since:
1899
7th Warmest
Warmest since:
1992
Oct 2011–May 2012
8-Month		35.7°F
(2.1°C)		31.5°F
(-0.3°C)		4.2°F
(2.4°C)		121st Coolest
Coolest since:
1899
7th Warmest
Warmest since:
1934, 2000
Sep 2011–May 2012
9-Month		38.2°F
(3.4°C)		34.0°F
(1.1°C)		4.2°F
(2.3°C)		124th Coolest
Coolest since:
1899
4th Warmest
Warmest since:
2016
Ties: 2000
Aug 2011–May 2012
10-Month		41.1°F
(5.1°C)		37.0°F
(2.8°C)		4.1°F
(2.3°C)		125th Coolest
Coolest since:
1917
3rd Warmest
Warmest since:
1992, 2016
Ties: 1934
Jul 2011–May 2012
11-Month		43.4°F
(6.3°C)		39.6°F
(4.2°C)		3.8°F
(2.1°C)		124th Coolest
Coolest since:
1917
4th Warmest
Warmest since:
1992, 2016
Jun 2011–May 2012
12-Month		44.5°F
(6.9°C)		41.1°F
(5.1°C)		3.4°F
(1.8°C)		124th Coolest
Coolest since:
1917
4th Warmest
Warmest since:
2016
Dec 2010–May 2012
18-Month		39.0°F
(3.9°C)		37.4°F
(3.0°C)		1.6°F
(0.9°C)		100th Coolest
Coolest since:
1917
27th Warmest
Warmest since:
2016
Ties: 1984, 1989, 2015
Jun 2010–May 2012
24-Month		42.3°F
(5.7°C)		41.1°F
(5.1°C)		1.2°F
(0.6°C)		93rd Coolest
Coolest since:
1917
34th Warmest
Warmest since:
2016
Ties: 1977, 1987, 2009
Jun 2009–May 2012
36-Month		42.0°F
(5.6°C)		41.1°F
(5.1°C)		0.9°F
(0.5°C)		93rd Coolest
Coolest since:
1918
33rd Warmest
Warmest since:
2017
Ties: 1932, 1936, 1964
Jun 2008–May 2012
48-Month		41.9°F
(5.5°C)		41.1°F
(5.1°C)		0.8°F
(0.4°C)		88th Coolest
Coolest since:
1899, 1952
37th Warmest
Warmest since:
2016
Ties: 1943, 1944, 1961
Jun 2007–May 2012
60-Month		42.1°F
(5.6°C)		41.1°F
(5.1°C)		1.0°F
(0.5°C)		92nd Coolest
Coolest since:
1952
32nd Warmest
Warmest since:
2016
Ties: 1943, 1999

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