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 1945

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Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Warmest/Coolest
Since		 Record
September 1945
1-Month 		51.3°F
(10.7°C)		 53.8°F
(12.1°C)		 -2.5°F
(-1.4°C)		 22nd Coolest
Coolest since:
 1965
107th Warmest
Warmest since:
 1998
Ties: 1902
Aug–Sep 1945
2-Month 		58.1°F
(14.5°C)		 59.0°F
(15.0°C)		 -0.9°F
(-0.5°C)		 39th Coolest
Coolest since:
 1965
90th Warmest
Warmest since:
 2022
Ties: 1944
Jul–Sep 1945
3-Month 		60.9°F
(16.1°C)		 61.2°F
(16.2°C)		 -0.3°F
(-0.1°C)		 46th Coolest
Coolest since:
 1912
83rd Warmest
Warmest since:
 2022
Ties: 1934, 2004
Jun–Sep 1945
4-Month 		59.2°F
(15.1°C)		 60.5°F
(15.8°C)		 -1.3°F
(-0.7°C)		 22nd Coolest
Coolest since:
 1993
107th Warmest
Warmest since:
 2021
Ties: 1964
May–Sep 1945
5-Month 		56.9°F
(13.8°C)		 58.4°F
(14.7°C)		 -1.5°F
(-0.9°C)		 16th Coolest
Coolest since:
 1907
113th Warmest
Warmest since:
 1936
Ties: 1924
Apr–Sep 1945
6-Month 		53.5°F
(11.9°C)		 55.5°F
(13.1°C)		 -2.0°F
(-1.2°C)		 11th Coolest
Coolest since:
 1907
118th Warmest
Warmest since:
 1936
Ties: 1903
Mar–Sep 1945
7-Month 		50.4°F
(10.2°C)		 51.7°F
(10.9°C)		 -1.3°F
(-0.7°C)		 20th Coolest
Coolest since:
 1965
109th Warmest
Warmest since:
 2012
Ties: 1895, 1920, 1964
Feb–Sep 1945
8-Month 		46.9°F
(8.3°C)		 47.9°F
(8.8°C)		 -1.0°F
(-0.5°C)		 26th Coolest
Coolest since:
 1899
103rd Warmest
Warmest since:
 2012, 2016
Ties: 1909, 1920, 1944, 1962
Jan–Sep 1945
9-Month 		44.1°F
(6.7°C)		 44.5°F
(6.9°C)		 -0.4°F
(-0.2°C)		 47th Coolest
Coolest since:
 1899
82nd Warmest
Warmest since:
 2012
Ties: 1898, 1935, 1952, 1960, 1985, 2011
Dec 1944–Sep 1945
10-Month 		41.7°F
(5.4°C)		 42.1°F
(5.6°C)		 -0.4°F
(-0.2°C)		 45th Coolest
Coolest since:
 1950
83rd Warmest
Warmest since:
 2012
Ties: 1898, 1971, 1989
Nov 1944–Sep 1945
11-Month 		40.4°F
(4.7°C)		 41.0°F
(5.0°C)		 -0.6°F
(-0.3°C)		 42nd Coolest
Coolest since:
 1899
86th Warmest
Warmest since:
 2012
Ties: 1947, 1957, 1971, 1996, 1997
Oct 1944–Sep 1945
12-Month 		41.1°F
(5.1°C)		 41.2°F
(5.1°C)		 -0.1°F
(0.0°C)		 56th Coolest
Coolest since:
 1899
72nd Warmest
Warmest since:
 2012
Ties: 1902, 1968, 1970, 2018
Apr 1944–Sep 1945
18-Month 		45.7°F
(7.6°C)		 45.9°F
(7.7°C)		 -0.2°F
(-0.1°C)		 48th Coolest
Coolest since:
 1917
80th Warmest
Warmest since:
 2016
Ties: 1911, 1924, 1925, 2019
Oct 1943–Sep 1945
24-Month 		41.5°F
(5.3°C)		 41.1°F
(5.1°C)		 0.4°F
(0.2°C)		 73rd Coolest
Coolest since:
 1917
54th Warmest
Warmest since:
 2016
Ties: 1963
Oct 1942–Sep 1945
36-Month 		41.0°F
(5.0°C)		 41.1°F
(5.1°C)		 -0.1°F
(-0.1°C)		 50th Coolest
Coolest since:
 1951
76th Warmest
Warmest since:
 2017
Ties: 1925
Oct 1941–Sep 1945
48-Month 		41.1°F
(5.1°C)		 41.1°F
(5.1°C)		 0.0°F
(0.0°C)		 53rd Coolest
Coolest since:
 1952
72nd Warmest
Warmest since:
 2007, 2017, 2018
Ties: 1903, 1927, 1938, 1978, 1982, 1996
Oct 1940–Sep 1945
60-Month 		41.4°F
(5.2°C)		 41.1°F
(5.1°C)		 0.3°F
(0.1°C)		 71st Coolest
Coolest since:
 1952
53rd Warmest
Warmest since:
 2016
Ties: 1948, 1965, 1967, 1983

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