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, April 2009

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
April 2009 1-Month	39.8°F (4.3°C)	40.7°F (4.8°C)	-0.9°F (-0.5°C)	50th Coolest	Coolest since: 2008	1975
	39.8°F (4.3°C)	40.7°F (4.8°C)	-0.9°F (-0.5°C)	79th Warmest	Warmest since: 2007	1915
	Ties: 1963
Mar–Apr 2009 2-Month	34.0°F (1.1°C)	35.0°F (1.7°C)	-1.0°F (-0.6°C)	48th Coolest	Coolest since: 2002	1899
	34.0°F (1.1°C)	35.0°F (1.7°C)	-1.0°F (-0.6°C)	81st Warmest	Warmest since: 2008	1910
	Ties: 1936, 1995
Feb–Apr 2009 3-Month	31.1°F (-0.5°C)	30.5°F (-0.8°C)	0.6°F (0.3°C)	79th Coolest	Coolest since: 2008	1899
	31.1°F (-0.5°C)	30.5°F (-0.8°C)	0.6°F (0.3°C)	50th Warmest	Warmest since: 2007	2016
	Ties: 1972
Jan–Apr 2009 4-Month	28.6°F (-1.9°C)	27.1°F (-2.7°C)	1.5°F (0.8°C)	82nd Coolest	Coolest since: 2008	1899
	28.6°F (-1.9°C)	27.1°F (-2.7°C)	1.5°F (0.8°C)	47th Warmest	Warmest since: 2007	1992
	Ties: 1906, 1994, 2022
Dec 2008–Apr 2009 5-Month	25.7°F (-3.5°C)	25.8°F (-3.4°C)	-0.1°F (-0.1°C)	58th Coolest	Coolest since: 1997	1917
Dec 2008–Apr 2009 5-Month	25.7°F (-3.5°C)	25.8°F (-3.4°C)	-0.1°F (-0.1°C)	70th Warmest	Warmest since: 2008	1992
Nov 2008–Apr 2009 6-Month	27.4°F (-2.6°C)	26.5°F (-3.1°C)	0.9°F (0.5°C)	74th Coolest	Coolest since: 2008	1979
	27.4°F (-2.6°C)	26.5°F (-3.1°C)	0.9°F (0.5°C)	54th Warmest	Warmest since: 2008	1992
	Ties: 1902, 1968, 2008
Oct 2008–Apr 2009 7-Month	29.7°F (-1.3°C)	28.8°F (-1.8°C)	0.9°F (0.5°C)	73rd Coolest	Coolest since: 2002	1899, 1917
	29.7°F (-1.3°C)	28.8°F (-1.8°C)	0.9°F (0.5°C)	55th Warmest	Warmest since: 2008	2000, 2016
	Ties: 1914, 1945, 2002
Sep 2008–Apr 2009 8-Month	32.7°F (0.4°C)	32.0°F (0.0°C)	0.7°F (0.4°C)	71st Coolest	Coolest since: 2001	1917
	32.7°F (0.4°C)	32.0°F (0.0°C)	0.7°F (0.4°C)	57th Warmest	Warmest since: 2008	2016
	Ties: 1910, 1967
Aug 2008–Apr 2009 9-Month	36.3°F (2.4°C)	35.5°F (1.9°C)	0.8°F (0.5°C)	74th Coolest	Coolest since: 2001	1917
	36.3°F (2.4°C)	35.5°F (1.9°C)	0.8°F (0.5°C)	54th Warmest	Warmest since: 2008	2016
	Ties: 1910, 1914, 1915, 1919
Jul 2008–Apr 2009 10-Month	39.4°F (4.1°C)	38.6°F (3.7°C)	0.8°F (0.4°C)	78th Coolest	Coolest since: 2001	1917
	39.4°F (4.1°C)	38.6°F (3.7°C)	0.8°F (0.4°C)	50th Warmest	Warmest since: 2008	2016
	Ties: 1906, 1984, 2020
Jun 2008–Apr 2009 11-Month	40.9°F (4.9°C)	40.3°F (4.6°C)	0.6°F (0.3°C)	72nd Coolest	Coolest since: 2001	1917
	40.9°F (4.9°C)	40.3°F (4.6°C)	0.6°F (0.3°C)	56th Warmest	Warmest since: 2008	2016
	Ties: 1914, 1935, 2014
May 2008–Apr 2009 12-Month	41.6°F (5.3°C)	41.1°F (5.1°C)	0.5°F (0.2°C)	71st Coolest	Coolest since: 2001	1917
	41.6°F (5.3°C)	41.1°F (5.1°C)	0.5°F (0.2°C)	57th Warmest	Warmest since: 2008	2016
	Ties: 1900, 1924, 1976, 1984, 2010, 2018
Nov 2007–Apr 2009 18-Month	36.9°F (2.7°C)	36.2°F (2.3°C)	0.7°F (0.4°C)	77th Coolest	Coolest since: 1997	1917
	36.9°F (2.7°C)	36.2°F (2.3°C)	0.7°F (0.4°C)	50th Warmest	Warmest since: 2008	2016
	Ties: 1945, 1946, 1968, 1974
May 2007–Apr 2009 24-Month	42.3°F (5.7°C)	41.1°F (5.1°C)	1.2°F (0.6°C)	94th Coolest	Coolest since: 2002	1917
May 2007–Apr 2009 24-Month	42.3°F (5.7°C)	41.1°F (5.1°C)	1.2°F (0.6°C)	33rd Warmest	Warmest since: 2008	2016
May 2006–Apr 2009 36-Month	42.8°F (6.0°C)	41.1°F (5.1°C)	1.7°F (0.9°C)	108th Coolest	Coolest since: 2003	1918
	42.8°F (6.0°C)	41.1°F (5.1°C)	1.7°F (0.9°C)	18th Warmest	Warmest since: 2008	2017
	Ties: 2002
May 2005–Apr 2009 48-Month	43.0°F (6.1°C)	41.1°F (5.1°C)	1.9°F (1.0°C)	113th Coolest	Coolest since: 2005	1952
	43.0°F (6.1°C)	41.1°F (5.1°C)	1.9°F (1.0°C)	12th Warmest	Warmest since: 2008	2007, 2016, 2017
	Ties: 2005
May 2004–Apr 2009 60-Month	43.0°F (6.1°C)	41.1°F (5.1°C)	1.9°F (1.0°C)	115th Coolest	Coolest since: 2005	1952
	43.0°F (6.1°C)	41.1°F (5.1°C)	1.9°F (1.0°C)	9th Warmest	Warmest since: 2008	2016
	Ties: 1991, 2003, 2019

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on January 29, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings