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.

Wyoming

Average Temperature Rankings, April 2009

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Record Coolest
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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2023)	Warmest/Coolest Since	Record
April 2009 1-Month	38.4°F (3.6°C)	38.8°F (3.8°C)	-0.4°F (-0.2°C)	59th Coolest	Coolest since: 2008	1920
	38.4°F (3.6°C)	38.8°F (3.8°C)	-0.4°F (-0.2°C)	71st Warmest	Warmest since: 2007	1915
	Ties: 1959, 1993
Mar–Apr 2009 2-Month	34.6°F (1.4°C)	34.0°F (1.1°C)	0.6°F (0.3°C)	73rd Coolest	Coolest since: 2008	1917
	34.6°F (1.4°C)	34.0°F (1.1°C)	0.6°F (0.3°C)	57th Warmest	Warmest since: 2007	1910
	Ties: 1914, 1961, 2011
Feb–Apr 2009 3-Month	32.0°F (0.0°C)	30.1°F (-1.1°C)	1.9°F (1.1°C)	98th Coolest	Coolest since: 2008	1899
Feb–Apr 2009 3-Month	32.0°F (0.0°C)	30.1°F (-1.1°C)	1.9°F (1.1°C)	32nd Warmest	Warmest since: 2007	1992
Jan–Apr 2009 4-Month	29.9°F (-1.2°C)	27.2°F (-2.7°C)	2.7°F (1.5°C)	109th Coolest	Coolest since: 2008	1917
	29.9°F (-1.2°C)	27.2°F (-2.7°C)	2.7°F (1.5°C)	21st Warmest	Warmest since: 2007	1992
	Ties: 2007
Dec 2008–Apr 2009 5-Month	27.7°F (-2.4°C)	25.8°F (-3.4°C)	1.9°F (1.0°C)	100th Coolest	Coolest since: 2008	1917
	27.7°F (-2.4°C)	25.8°F (-3.4°C)	1.9°F (1.0°C)	29th Warmest	Warmest since: 2007	1981
	Ties: 1961
Nov 2008–Apr 2009 6-Month	28.9°F (-1.7°C)	26.4°F (-3.1°C)	2.5°F (1.4°C)	111th Coolest	Coolest since: 2008	1917
Nov 2008–Apr 2009 6-Month	28.9°F (-1.7°C)	26.4°F (-3.1°C)	2.5°F (1.4°C)	18th Warmest	Warmest since: 2007	1934
Oct 2008–Apr 2009 7-Month	30.9°F (-0.6°C)	28.7°F (-1.8°C)	2.2°F (1.2°C)	112th Coolest	Coolest since: 2008	1917
	30.9°F (-0.6°C)	28.7°F (-1.8°C)	2.2°F (1.2°C)	17th Warmest	Warmest since: 2006	1934
	Ties: 1946, 2018
Sep 2008–Apr 2009 8-Month	33.7°F (0.9°C)	31.8°F (-0.1°C)	1.9°F (1.0°C)	111th Coolest	Coolest since: 2008	1917
Sep 2008–Apr 2009 8-Month	33.7°F (0.9°C)	31.8°F (-0.1°C)	1.9°F (1.0°C)	18th Warmest	Warmest since: 2006	1934
Aug 2008–Apr 2009 9-Month	37.1°F (2.8°C)	35.3°F (1.8°C)	1.8°F (1.0°C)	112th Coolest	Coolest since: 2008	1917
	37.1°F (2.8°C)	35.3°F (1.8°C)	1.8°F (1.0°C)	17th Warmest	Warmest since: 2006	1934
	Ties: 1938, 2018
Jul 2008–Apr 2009 10-Month	40.1°F (4.5°C)	38.3°F (3.5°C)	1.8°F (1.0°C)	110th Coolest	Coolest since: 2008	1917
	40.1°F (4.5°C)	38.3°F (3.5°C)	1.8°F (1.0°C)	19th Warmest	Warmest since: 2007	1934
	Ties: 1935, 2002, 2013
Jun 2008–Apr 2009 11-Month	41.6°F (5.3°C)	40.1°F (4.5°C)	1.5°F (0.8°C)	103rd Coolest	Coolest since: 2008	1917
	41.6°F (5.3°C)	40.1°F (4.5°C)	1.5°F (0.8°C)	26th Warmest	Warmest since: 2007	1934
	Ties: 1990
May 2008–Apr 2009 12-Month	42.0°F (5.6°C)	40.8°F (4.9°C)	1.2°F (0.7°C)	97th Coolest	Coolest since: 2008	1917
	42.0°F (5.6°C)	40.8°F (4.9°C)	1.2°F (0.7°C)	32nd Warmest	Warmest since: 2008	1934
	Ties: 1998, 2008
Nov 2007–Apr 2009 18-Month	36.6°F (2.6°C)	36.0°F (2.2°C)	0.6°F (0.4°C)	80th Coolest	Coolest since: 1997	1913
	36.6°F (2.6°C)	36.0°F (2.2°C)	0.6°F (0.4°C)	48th Warmest	Warmest since: 2008	1935, 2016
	Ties: 1911, 1939, 1997, 2011
May 2007–Apr 2009 24-Month	42.0°F (5.6°C)	40.7°F (4.8°C)	1.3°F (0.8°C)	99th Coolest	Coolest since: 2002	1917
	42.0°F (5.6°C)	40.7°F (4.8°C)	1.3°F (0.8°C)	29th Warmest	Warmest since: 2008	1935
	Ties: 2002
May 2006–Apr 2009 36-Month	42.3°F (5.7°C)	40.7°F (4.8°C)	1.6°F (0.9°C)	108th Coolest	Coolest since: 2003	1918
	42.3°F (5.7°C)	40.7°F (4.8°C)	1.6°F (0.9°C)	19th Warmest	Warmest since: 2008	2017
	Ties: 1992, 2023
May 2005–Apr 2009 48-Month	42.4°F (5.8°C)	40.7°F (4.8°C)	1.7°F (1.0°C)	113th Coolest	Coolest since: 2004	1899
	42.4°F (5.8°C)	40.7°F (4.8°C)	1.7°F (1.0°C)	13th Warmest	Warmest since: 2008	2018
	Ties: 2000, 2004
May 2004–Apr 2009 60-Month	42.4°F (5.8°C)	40.7°F (4.8°C)	1.7°F (1.0°C)	112th Coolest	Coolest since: 2005	1917
	42.4°F (5.8°C)	40.7°F (4.8°C)	1.7°F (1.0°C)	13th Warmest	Warmest since: 2008	2017
	Ties: 2005

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published May 2023, retrieved on June 3, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings