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, September 2022

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  • Record Warmest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Warmest/Coolest
Since		 Record
September 2022
1-Month 		60.7°F
(15.9°C)		 53.8°F
(12.1°C)		 6.9°F
(3.8°C)		 126th Coolest
Coolest since:
 1965
3rd Warmest
Warmest since:
 1998
Ties: 2009
Aug–Sep 2022
2-Month 		65.2°F
(18.4°C)		 58.9°F
(14.9°C)		 6.3°F
(3.5°C)		 128th Coolest
Coolest since:
 1965
1st Warmest
Warmest to Date
 2022
Jul–Sep 2022
3-Month 		66.5°F
(19.2°C)		 61.2°F
(16.2°C)		 5.3°F
(3.0°C)		 128th Coolest
Coolest since:
 1912
1st Warmest
Warmest to Date
 2022
Jun–Sep 2022
4-Month 		64.5°F
(18.1°C)		 60.5°F
(15.8°C)		 4.0°F
(2.3°C)		 126th Coolest
Coolest since:
 1993
3rd Warmest
Warmest since:
 2021
May–Sep 2022
5-Month 		61.3°F
(16.3°C)		 58.4°F
(14.7°C)		 2.9°F
(1.6°C)		 123rd Coolest
Coolest since:
 1907
6th Warmest
Warmest since:
 1936
Ties: 2001
Apr–Sep 2022
6-Month 		57.0°F
(13.9°C)		 55.5°F
(13.1°C)		 1.5°F
(0.8°C)		 105th Coolest
Coolest since:
 1907
24th Warmest
Warmest since:
 1936
Ties: 1990, 2000
Mar–Sep 2022
7-Month 		53.6°F
(12.0°C)		 51.7°F
(10.9°C)		 1.9°F
(1.1°C)		 109th Coolest
Coolest since:
 1965
20th Warmest
Warmest since:
 2012
Ties: 1900, 1930, 1990
Feb–Sep 2022
8-Month 		49.7°F
(9.8°C)		 47.9°F
(8.8°C)		 1.8°F
(1.0°C)		 103rd Coolest
Coolest since:
 1899
26th Warmest
Warmest since:
 2012, 2016
Ties: 1994, 2001
Jan–Sep 2022
9-Month 		46.7°F
(8.2°C)		 44.4°F
(6.9°C)		 2.3°F
(1.3°C)		 107th Coolest
Coolest since:
 1899
22nd Warmest
Warmest since:
 2012
Ties: 1991
Dec 2021–Sep 2022
10-Month 		44.0°F
(6.7°C)		 42.1°F
(5.6°C)		 1.9°F
(1.1°C)		 100th Coolest
Coolest since:
 1950
28th Warmest
Warmest since:
 2012
Ties: 1976
Nov 2021–Sep 2022
11-Month 		43.3°F
(6.3°C)		 41.0°F
(5.0°C)		 2.3°F
(1.3°C)		 107th Coolest
Coolest since:
 1899
21st Warmest
Warmest since:
 2012
Oct 2021–Sep 2022
12-Month 		43.5°F
(6.4°C)		 41.2°F
(5.1°C)		 2.3°F
(1.3°C)		 112th Coolest
Coolest since:
 1899
16th Warmest
Warmest since:
 2012
Ties: 2005
Apr 2021–Sep 2022
18-Month 		48.4°F
(9.1°C)		 45.9°F
(7.7°C)		 2.5°F
(1.4°C)		 123rd Coolest
Coolest since:
 1917
5th Warmest
Warmest since:
 2016
Ties: 1931, 1934, 2006, 2015
Oct 2020–Sep 2022
24-Month 		43.7°F
(6.5°C)		 41.1°F
(5.1°C)		 2.6°F
(1.4°C)		 119th Coolest
Coolest since:
 1917
8th Warmest
Warmest since:
 2016
Oct 2019–Sep 2022
36-Month 		43.3°F
(6.3°C)		 41.1°F
(5.1°C)		 2.2°F
(1.2°C)		 119th Coolest
Coolest since:
 1951
7th Warmest
Warmest since:
 2017
Ties: 1992, 2001
Oct 2018–Sep 2022
48-Month 		42.6°F
(5.9°C)		 41.1°F
(5.1°C)		 1.5°F
(0.8°C)		 108th Coolest
Coolest since:
 1952
17th Warmest
Warmest since:
 2007, 2017, 2018
Ties: 1941, 1989
Oct 2017–Sep 2022
60-Month 		42.3°F
(5.7°C)		 41.1°F
(5.1°C)		 1.2°F
(0.6°C)		 101st Coolest
Coolest since:
 1952
23rd Warmest
Warmest since:
 2016
Ties: 1934, 1942, 2013, 2021

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