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 2008

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
September 2008 1-Month	53.6°F (12.0°C)	53.8°F (12.1°C)	-0.2°F (-0.1°C)	51st Coolest	Coolest since: 1999	1965
	53.6°F (12.0°C)	53.8°F (12.1°C)	-0.2°F (-0.1°C)	78th Warmest	Warmest since: 2007	1998
	Ties: 1947
Aug–Sep 2008 2-Month	59.6°F (15.3°C)	59.0°F (15.0°C)	0.6°F (0.3°C)	75th Coolest	Coolest since: 2004	1965
	59.6°F (15.3°C)	59.0°F (15.0°C)	0.6°F (0.3°C)	54th Warmest	Warmest since: 2007	2022
	Ties: 1943, 1955, 1973, 1996, 2016
Jul–Sep 2008 3-Month	61.9°F (16.6°C)	61.2°F (16.2°C)	0.7°F (0.4°C)	78th Coolest	Coolest since: 2004	1912
	61.9°F (16.6°C)	61.2°F (16.2°C)	0.7°F (0.4°C)	51st Warmest	Warmest since: 2007	2022
	Ties: 1906, 1949
Jun–Sep 2008 4-Month	60.6°F (15.9°C)	60.5°F (15.8°C)	0.1°F (0.1°C)	59th Coolest	Coolest since: 2004	1993
	60.6°F (15.9°C)	60.5°F (15.8°C)	0.1°F (0.1°C)	70th Warmest	Warmest since: 2007	2021
	Ties: 1905, 1971
May–Sep 2008 5-Month	58.4°F (14.7°C)	58.4°F (14.7°C)	0.0°F (0.0°C)	58th Coolest	Coolest since: 2004	1907
	58.4°F (14.7°C)	58.4°F (14.7°C)	0.0°F (0.0°C)	71st Warmest	Warmest since: 2007	1936
	Ties: 1935, 1947
Apr–Sep 2008 6-Month	54.9°F (12.7°C)	55.5°F (13.1°C)	-0.6°F (-0.4°C)	36th Coolest	Coolest since: 1999	1907
	54.9°F (12.7°C)	55.5°F (13.1°C)	-0.6°F (-0.4°C)	93rd Warmest	Warmest since: 2007	1936
	Ties: 1942
Mar–Sep 2008 7-Month	51.5°F (10.8°C)	51.7°F (10.9°C)	-0.2°F (-0.1°C)	48th Coolest	Coolest since: 2002	1965
	51.5°F (10.8°C)	51.7°F (10.9°C)	-0.2°F (-0.1°C)	81st Warmest	Warmest since: 2007	2012
	Ties: 1948, 1959, 1974
Feb–Sep 2008 8-Month	48.1°F (8.9°C)	47.9°F (8.8°C)	0.2°F (0.1°C)	75th Coolest	Coolest since: 2002	1899
	48.1°F (8.9°C)	47.9°F (8.8°C)	0.2°F (0.1°C)	54th Warmest	Warmest since: 2007	2012, 2016
	Ties: 1933, 1939, 1953, 1971, 1995, 2010
Jan–Sep 2008 9-Month	44.8°F (7.1°C)	44.5°F (6.9°C)	0.3°F (0.2°C)	69th Coolest	Coolest since: 2002	1899
	44.8°F (7.1°C)	44.5°F (6.9°C)	0.3°F (0.2°C)	60th Warmest	Warmest since: 2007	2012
	Ties: 1908
Dec 2007–Sep 2008 10-Month	42.5°F (5.8°C)	42.1°F (5.6°C)	0.4°F (0.2°C)	74th Coolest	Coolest since: 2002	1950
	42.5°F (5.8°C)	42.1°F (5.6°C)	0.4°F (0.2°C)	54th Warmest	Warmest since: 2007	2012
	Ties: 1960
Nov 2007–Sep 2008 11-Month	41.5°F (5.3°C)	41.0°F (5.0°C)	0.5°F (0.3°C)	78th Coolest	Coolest since: 1997	1899
	41.5°F (5.3°C)	41.0°F (5.0°C)	0.5°F (0.3°C)	50th Warmest	Warmest since: 2007	2012
	Ties: 1905, 1944, 1970
Oct 2007–Sep 2008 12-Month	41.7°F (5.4°C)	41.2°F (5.1°C)	0.5°F (0.3°C)	75th Coolest	Coolest since: 1997	1899
	41.7°F (5.4°C)	41.2°F (5.1°C)	0.5°F (0.3°C)	53rd Warmest	Warmest since: 2007	2012
	Ties: 1914, 1925, 1935
Apr 2007–Sep 2008 18-Month	47.2°F (8.4°C)	45.9°F (7.7°C)	1.3°F (0.7°C)	100th Coolest	Coolest since: 2002	1917
	47.2°F (8.4°C)	45.9°F (7.7°C)	1.3°F (0.7°C)	28th Warmest	Warmest since: 2007	2016
	Ties: 1938, 1953, 2002
Oct 2006–Sep 2008 24-Month	42.8°F (6.0°C)	41.1°F (5.1°C)	1.7°F (0.9°C)	109th Coolest	Coolest since: 2005	1917
	42.8°F (6.0°C)	41.1°F (5.1°C)	1.7°F (0.9°C)	18th Warmest	Warmest since: 2007	2016
	Ties: 1940, 2004, 2005, 2015
Oct 2005–Sep 2008 36-Month	43.4°F (6.3°C)	41.1°F (5.1°C)	2.3°F (1.2°C)	121st Coolest	Coolest since: 2006	1951
	43.4°F (6.3°C)	41.1°F (5.1°C)	2.3°F (1.2°C)	5th Warmest	Warmest since: 2007	2017
	Ties: 2006
Oct 2004–Sep 2008 48-Month	43.4°F (6.3°C)	41.1°F (5.1°C)	2.3°F (1.2°C)	121st Coolest	Coolest since: 2006	1952
	43.4°F (6.3°C)	41.1°F (5.1°C)	2.3°F (1.2°C)	4th Warmest	Warmest since: 2007	2007, 2017, 2018
	Ties: 2001, 2006, 2015, 2016
Oct 2003–Sep 2008 60-Month	43.2°F (6.2°C)	41.1°F (5.1°C)	2.1°F (1.1°C)	120th Coolest	Coolest since: 2006	1952
Oct 2003–Sep 2008 60-Month	43.2°F (6.2°C)	41.1°F (5.1°C)	2.1°F (1.1°C)	4th Warmest	Warmest since: 2007	2016

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published March 2023, retrieved on March 21, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings