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 2019

View Period (Months):
Download: CSV JSON XML
  • Record Coolest
  • Bottom ⅒
  • Bottom ⅓
  • Normal
  • Top ⅓
  • Top ⅒
  • Record Warmest
PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Warmest/Coolest
Since		Record
September 2019
1-Month		55.0°F
(12.8°C)		53.8°F
(12.1°C)		1.2°F
(0.7°C)		80th Coolest
Coolest since:
1965
49th Warmest
Warmest since:
1998
Ties: 1920, 2007
Aug–Sep 2019
2-Month		59.9°F
(15.5°C)		59.0°F
(15.0°C)		0.9°F
(0.5°C)		81st Coolest
Coolest since:
1965
48th Warmest
Warmest since:
2022
Ties: 1898
Jul–Sep 2019
3-Month		61.6°F
(16.4°C)		61.2°F
(16.2°C)		0.4°F
(0.2°C)		69th Coolest
Coolest since:
1912
60th Warmest
Warmest since:
2022
Ties: 1929, 1943, 1948
Jun–Sep 2019
4-Month		60.9°F
(16.1°C)		60.5°F
(15.8°C)		0.4°F
(0.3°C)		77th Coolest
Coolest since:
1993
52nd Warmest
Warmest since:
2021
Ties: 1909, 1918, 1948, 1952, 1956, 1973, 1976, 2018
May–Sep 2019
5-Month		58.2°F
(14.6°C)		58.4°F
(14.7°C)		-0.2°F
(-0.1°C)		49th Coolest
Coolest since:
1907
80th Warmest
Warmest since:
1936
Ties: 1909, 1913, 1986
Apr–Sep 2019
6-Month		55.5°F
(13.1°C)		55.5°F
(13.1°C)		0.0°F
(0.0°C)		58th Coolest
Coolest since:
1907
71st Warmest
Warmest since:
1936
Ties: 1921, 1947, 1956, 1992, 1996, 2011
Mar–Sep 2019
7-Month		51.2°F
(10.7°C)		51.7°F
(10.9°C)		-0.5°F
(-0.2°C)		40th Coolest
Coolest since:
1965
89th Warmest
Warmest since:
2012
Ties: 1908, 1947, 1953
Feb–Sep 2019
8-Month		45.4°F
(7.4°C)		47.9°F
(8.8°C)		-2.5°F
(-1.4°C)		8th Coolest
Coolest since:
1899
121st Warmest
Warmest since:
2012, 2016
Ties: 1907
Jan–Sep 2019
9-Month		43.1°F
(6.2°C)		44.5°F
(6.9°C)		-1.4°F
(-0.7°C)		28th Coolest
Coolest since:
1899
101st Warmest
Warmest since:
2012
Dec 2018–Sep 2019
10-Month		41.3°F
(5.2°C)		42.1°F
(5.6°C)		-0.8°F
(-0.4°C)		38th Coolest
Coolest since:
1950
90th Warmest
Warmest since:
2012
Ties: 1902, 1924, 1996
Nov 2018–Sep 2019
11-Month		40.3°F
(4.6°C)		41.0°F
(5.0°C)		-0.7°F
(-0.4°C)		39th Coolest
Coolest since:
1899
89th Warmest
Warmest since:
2012
Ties: 1915, 1936
Oct 2018–Sep 2019
12-Month		40.4°F
(4.7°C)		41.2°F
(5.1°C)		-0.8°F
(-0.4°C)		37th Coolest
Coolest since:
1899
91st Warmest
Warmest since:
2012
Ties: 1936, 1971, 1996
Apr 2018–Sep 2019
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, 1945
Oct 2017–Sep 2019
24-Month		40.7°F
(4.8°C)		41.1°F
(5.1°C)		-0.4°F
(-0.3°C)		38th Coolest
Coolest since:
1917
89th Warmest
Warmest since:
2016
Ties: 1910, 1960, 1971, 1985
Oct 2016–Sep 2019
36-Month		41.6°F
(5.3°C)		41.1°F
(5.1°C)		0.5°F
(0.2°C)		81st Coolest
Coolest since:
1951
45th Warmest
Warmest since:
2017
Ties: 1926, 1964, 1981, 1987, 1998
Oct 2015–Sep 2019
48-Month		42.5°F
(5.8°C)		41.1°F
(5.1°C)		1.4°F
(0.7°C)		105th Coolest
Coolest since:
1952
20th Warmest
Warmest since:
2007, 2017, 2018
Ties: 1934, 2014
Oct 2014–Sep 2019
60-Month		42.9°F
(6.1°C)		41.1°F
(5.1°C)		1.8°F
(1.0°C)		112th Coolest
Coolest since:
1952
12th Warmest
Warmest since:
2016
Ties: 2001, 2004, 2015

Citing This Page