Statewide Rankings

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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 1918

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Record Coolest
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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
September 1918 1-Month	53.5°F (11.9°C)	53.8°F (12.1°C)	-0.3°F (-0.2°C)	49th Coolest	Coolest since: 1916	1965
	53.5°F (11.9°C)	53.8°F (12.1°C)	-0.3°F (-0.2°C)	80th Warmest	Warmest since: 1917	1998
	Ties: 1898
Aug–Sep 1918 2-Month	57.8°F (14.3°C)	59.0°F (15.0°C)	-1.2°F (-0.7°C)	34th Coolest	Coolest since: 1916	1965
Aug–Sep 1918 2-Month	57.8°F (14.3°C)	59.0°F (15.0°C)	-1.2°F (-0.7°C)	95th Warmest	Warmest since: 1917	2022
Jul–Sep 1918 3-Month	60.0°F (15.6°C)	61.2°F (16.2°C)	-1.2°F (-0.6°C)	28th Coolest	Coolest since: 1915	1912
	60.0°F (15.6°C)	61.2°F (16.2°C)	-1.2°F (-0.6°C)	101st Warmest	Warmest since: 1917	2022
	Ties: 1910
Jun–Sep 1918 4-Month	60.9°F (16.1°C)	60.5°F (15.8°C)	0.4°F (0.3°C)	77th Coolest	Coolest since: 1917	1993
	60.9°F (16.1°C)	60.5°F (15.8°C)	0.4°F (0.3°C)	52nd Warmest	Warmest since: 1909	2021
	Ties: 1909, 1948, 1952, 1956, 1973, 1976, 2018, 2019
May–Sep 1918 5-Month	58.3°F (14.6°C)	58.4°F (14.7°C)	-0.1°F (-0.1°C)	53rd Coolest	Coolest since: 1917	1907
	58.3°F (14.6°C)	58.4°F (14.7°C)	-0.1°F (-0.1°C)	76th Warmest	Warmest since: 1914	1936
	Ties: 1901, 1910, 1984, 1996
Apr–Sep 1918 6-Month	55.0°F (12.8°C)	55.5°F (13.1°C)	-0.5°F (-0.3°C)	38th Coolest	Coolest since: 1917	1907
	55.0°F (12.8°C)	55.5°F (13.1°C)	-0.5°F (-0.3°C)	91st Warmest	Warmest since: 1914	1936
	Ties: 1904, 1905, 1974
Mar–Sep 1918 7-Month	52.1°F (11.2°C)	51.7°F (10.9°C)	0.4°F (0.3°C)	75th Coolest	Coolest since: 1917	1965
	52.1°F (11.2°C)	51.7°F (10.9°C)	0.4°F (0.3°C)	54th Warmest	Warmest since: 1914	2012
	Ties: 1926, 1958, 1985
Feb–Sep 1918 8-Month	47.9°F (8.8°C)	47.9°F (8.8°C)	0.0°F (0.0°C)	63rd Coolest	Coolest since: 1917	1899
	47.9°F (8.8°C)	47.9°F (8.8°C)	0.0°F (0.0°C)	66th Warmest	Warmest since: 1910	2012, 2016
	Ties: 1932, 1967
Jan–Sep 1918 9-Month	44.0°F (6.7°C)	44.5°F (6.9°C)	-0.5°F (-0.2°C)	45th Coolest	Coolest since: 1917	1899
	44.0°F (6.7°C)	44.5°F (6.9°C)	-0.5°F (-0.2°C)	84th Warmest	Warmest since: 1914	2012
	Ties: 1942
Dec 1917–Sep 1918 10-Month	41.2°F (5.1°C)	42.1°F (5.6°C)	-0.9°F (-0.5°C)	36th Coolest	Coolest since: 1917	1950
	41.2°F (5.1°C)	42.1°F (5.6°C)	-0.9°F (-0.5°C)	92nd Warmest	Warmest since: 1914	2012
	Ties: 1955
Nov 1917–Sep 1918 11-Month	41.0°F (5.0°C)	41.0°F (5.0°C)	0.0°F (0.0°C)	57th Coolest	Coolest since: 1917	1899
	41.0°F (5.0°C)	41.0°F (5.0°C)	0.0°F (0.0°C)	71st Warmest	Warmest since: 1914	2012
	Ties: 1986, 2014
Oct 1917–Sep 1918 12-Month	40.9°F (4.9°C)	41.2°F (5.1°C)	-0.3°F (-0.2°C)	50th Coolest	Coolest since: 1917	1899
Oct 1917–Sep 1918 12-Month	40.9°F (4.9°C)	41.2°F (5.1°C)	-0.3°F (-0.2°C)	78th Warmest	Warmest since: 1914	2012
Apr 1917–Sep 1918 18-Month	45.4°F (7.4°C)	45.9°F (7.7°C)	-0.5°F (-0.3°C)	38th Coolest	Coolest since: 1917	1917
	45.4°F (7.4°C)	45.9°F (7.7°C)	-0.5°F (-0.3°C)	90th Warmest	Warmest since: 1915	2016
	Ties: 1960, 2011
Oct 1916–Sep 1918 24-Month	39.1°F (3.9°C)	41.1°F (5.1°C)	-2.0°F (-1.2°C)	8th Coolest	Coolest since: 1917	1917
Oct 1916–Sep 1918 24-Month	39.1°F (3.9°C)	41.1°F (5.1°C)	-2.0°F (-1.2°C)	119th Warmest	Warmest since: 1916	2016
Oct 1915–Sep 1918 36-Month	39.1°F (3.9°C)	41.1°F (5.1°C)	-2.0°F (-1.2°C)	5th Coolest	Coolest since: 1917	1951
Oct 1915–Sep 1918 36-Month	39.1°F (3.9°C)	41.1°F (5.1°C)	-2.0°F (-1.2°C)	121st Warmest	Warmest since: 1916	2017
Oct 1914–Sep 1918 48-Month	39.5°F (4.2°C)	41.1°F (5.1°C)	-1.6°F (-0.9°C)	4th Coolest	Coolest since: 1899	1952
Oct 1914–Sep 1918 48-Month	39.5°F (4.2°C)	41.1°F (5.1°C)	-1.6°F (-0.9°C)	121st Warmest	Warmest since: 1917	2007, 2017, 2018
Oct 1913–Sep 1918 60-Month	39.9°F (4.4°C)	41.1°F (5.1°C)	-1.2°F (-0.7°C)	6th Coolest	Coolest since: 1917	1952
	39.9°F (4.4°C)	41.1°F (5.1°C)	-1.2°F (-0.7°C)	118th Warmest	Warmest since: 1916	2016
	Ties: 1900, 1913, 1916

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published May 2023, retrieved on May 28, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings