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 1899

View Period (Months):
Download: csv json xml
  • Record Coolest
  • Bottom 1/10
  • Bottom 1/3
  • Normal
  • Top 1/3
  • Top 1/10
  • Record Warmest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Warmest/Coolest
Since		 Record
September 1899
1-Month 		56.0°F
(13.3°C)		 53.8°F
(12.1°C)		 2.2°F
(1.2°C)		 95th Coolest
Coolest since:
 1965
34th Warmest
Warmest since:
 1998
Ties: 1909
Aug–Sep 1899
2-Month 		58.2°F
(14.6°C)		 59.0°F
(15.0°C)		 -0.8°F
(-0.4°C)		 41st Coolest
Coolest since:
 1965
88th Warmest
Warmest since:
 2022
Ties: 1925, 1987, 2004
Jul–Sep 1899
3-Month 		60.5°F
(15.8°C)		 61.2°F
(16.2°C)		 -0.7°F
(-0.4°C)		 35th Coolest
Coolest since:
 1912
94th Warmest
Warmest since:
 2022
Ties: 1904, 1921
Jun–Sep 1899
4-Month 		59.4°F
(15.2°C)		 60.5°F
(15.8°C)		 -1.1°F
(-0.6°C)		 25th Coolest
Coolest since:
 1993
104th Warmest
Warmest since:
 2021
Ties: 1972
May–Sep 1899
5-Month 		56.6°F
(13.7°C)		 58.4°F
(14.7°C)		 -1.8°F
(-1.0°C)		 13th Coolest
Coolest since:
 1907
116th Warmest
Warmest since:
 1936
Ties: 1911
Apr–Sep 1899
6-Month 		53.3°F
(11.8°C)		 55.5°F
(13.1°C)		 -2.2°F
(-1.3°C)		 9th Coolest
Coolest since:
 1907
120th Warmest
Warmest since:
 1936
Mar–Sep 1899
7-Month 		48.1°F
(8.9°C)		 51.7°F
(10.9°C)		 -3.6°F
(-2.0°C)		 4th Coolest
Coolest since:
 1965
125th Warmest
Warmest since:
 2012
Feb–Sep 1899
8-Month 		42.9°F
(6.1°C)		 47.9°F
(8.8°C)		 -5.0°F
(-2.7°C)		 1st Coolest
Coolest since:
 1899
128th Warmest
Warmest since:
 2012, 2016
Jan–Sep 1899
9-Month 		40.0°F
(4.4°C)		 44.4°F
(6.9°C)		 -4.4°F
(-2.5°C)		 1st Coolest
Coolest since:
 1899
128th Warmest
Warmest since:
 2012
Dec 1898–Sep 1899
10-Month 		37.9°F
(3.3°C)		 42.1°F
(5.6°C)		 -4.2°F
(-2.3°C)		 2nd Coolest
Coolest since:
 1950
126th Warmest
Warmest since:
 2012
Nov 1898–Sep 1899
11-Month 		36.7°F
(2.6°C)		 40.9°F
(4.9°C)		 -4.2°F
(-2.3°C)		 1st Coolest
Coolest since:
 1899
127th Warmest
Warmest since:
 2012
Oct 1898–Sep 1899
12-Month 		36.8°F
(2.7°C)		 41.2°F
(5.1°C)		 -4.4°F
(-2.4°C)		 1st Coolest
Coolest since:
 1899
127th Warmest
Warmest since:
 2012
Apr 1898–Sep 1899
18-Month 		42.9°F
(6.1°C)		 45.9°F
(7.7°C)		 -3.0°F
(-1.6°C)		 2nd Coolest
Coolest since:
 1917
126th Warmest
Warmest since:
 2016
Oct 1897–Sep 1899
24-Month 		38.5°F
(3.6°C)		 41.2°F
(5.1°C)		 -2.7°F
(-1.5°C)		 3rd Coolest
Coolest since:
 1917
124th Warmest
Warmest since:
 2016
Oct 1896–Sep 1899
36-Month 		38.9°F
(3.8°C)		 41.1°F
(5.1°C)		 -2.2°F
(-1.3°C)		 3rd Coolest
Coolest since:
 1951
123rd Warmest
Warmest since:
 2017
Oct 1895–Sep 1899
48-Month 		39.2°F
(4.0°C)		 41.1°F
(5.1°C)		 -1.9°F
(-1.1°C)		 2nd Coolest
Coolest since:
 1952
123rd Warmest
Warmest to Date
 2007, 2017, 2018

Citing This Page