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, September 2009

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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 2009 1-Month	57.4°F (14.1°C)	53.6°F (12.0°C)	3.8°F (2.1°C)	117th Coolest	Coolest since: 2008	1965
	57.4°F (14.1°C)	53.6°F (12.0°C)	3.8°F (2.1°C)	12th Warmest	Warmest since: 2001	1998
	Ties: 1969
Aug–Sep 2009 2-Month	59.6°F (15.3°C)	58.5°F (14.7°C)	1.1°F (0.6°C)	87th Coolest	Coolest since: 2008	1912
	59.6°F (15.3°C)	58.5°F (14.7°C)	1.1°F (0.6°C)	42nd Warmest	Warmest since: 2007	2022
	Ties: 1954
Jul–Sep 2009 3-Month	60.9°F (16.1°C)	60.7°F (15.9°C)	0.2°F (0.2°C)	60th Coolest	Coolest since: 2004	1912
	60.9°F (16.1°C)	60.7°F (15.9°C)	0.2°F (0.2°C)	69th Warmest	Warmest since: 2008	2022
	Ties: 1910, 1942
Jun–Sep 2009 4-Month	59.6°F (15.3°C)	60.0°F (15.6°C)	-0.4°F (-0.3°C)	39th Coolest	Coolest since: 2004	1912, 1915
	59.6°F (15.3°C)	60.0°F (15.6°C)	-0.4°F (-0.3°C)	90th Warmest	Warmest since: 2008	2021
	Ties: 1929, 1942, 1971, 1974, 1982
May–Sep 2009 5-Month	57.6°F (14.2°C)	57.7°F (14.3°C)	-0.1°F (-0.1°C)	51st Coolest	Coolest since: 2008	1915
	57.6°F (14.2°C)	57.7°F (14.3°C)	-0.1°F (-0.1°C)	78th Warmest	Warmest since: 2007	2012
	Ties: 1909, 1923, 1984
Apr–Sep 2009 6-Month	54.4°F (12.4°C)	54.5°F (12.5°C)	-0.1°F (-0.1°C)	49th Coolest	Coolest since: 2008	1912
	54.4°F (12.4°C)	54.5°F (12.5°C)	-0.1°F (-0.1°C)	80th Warmest	Warmest since: 2007	2012
	Ties: 1942, 2010
Mar–Sep 2009 7-Month	51.1°F (10.6°C)	50.9°F (10.5°C)	0.2°F (0.1°C)	59th Coolest	Coolest since: 2008	1912
	51.1°F (10.6°C)	50.9°F (10.5°C)	0.2°F (0.1°C)	70th Warmest	Warmest since: 2007	2012
	Ties: 1941, 1953, 1976
Feb–Sep 2009 8-Month	48.0°F (8.9°C)	47.3°F (8.5°C)	0.7°F (0.4°C)	87th Coolest	Coolest since: 2008	1912
	48.0°F (8.9°C)	47.3°F (8.5°C)	0.7°F (0.4°C)	42nd Warmest	Warmest since: 2007	2012
	Ties: 1926, 1972, 1999
Jan–Sep 2009 9-Month	45.3°F (7.4°C)	44.1°F (6.7°C)	1.2°F (0.7°C)	91st Coolest	Coolest since: 2008	1917
	45.3°F (7.4°C)	44.1°F (6.7°C)	1.2°F (0.7°C)	38th Warmest	Warmest since: 2007	2012
	Ties: 1910, 1921, 1938, 1963, 1977
Dec 2008–Sep 2009 10-Month	42.7°F (5.9°C)	41.8°F (5.4°C)	0.9°F (0.5°C)	84th Coolest	Coolest since: 2008	1917
Dec 2008–Sep 2009 10-Month	42.7°F (5.9°C)	41.8°F (5.4°C)	0.9°F (0.5°C)	44th Warmest	Warmest since: 2007	1934, 2012
Nov 2008–Sep 2009 11-Month	42.0°F (5.6°C)	40.6°F (4.8°C)	1.4°F (0.8°C)	100th Coolest	Coolest since: 2008	1917
Nov 2008–Sep 2009 11-Month	42.0°F (5.6°C)	40.6°F (4.8°C)	1.4°F (0.8°C)	28th Warmest	Warmest since: 2007	1934
Oct 2008–Sep 2009 12-Month	42.1°F (5.6°C)	40.8°F (4.9°C)	1.3°F (0.7°C)	101st Coolest	Coolest since: 2008	1917
	42.1°F (5.6°C)	40.8°F (4.9°C)	1.3°F (0.7°C)	27th Warmest	Warmest since: 2007	1934
	Ties: 1919, 1998, 2004
Apr 2008–Sep 2009 18-Month	46.0°F (7.8°C)	45.3°F (7.4°C)	0.7°F (0.4°C)	85th Coolest	Coolest since: 1997	1917
	46.0°F (7.8°C)	45.3°F (7.4°C)	0.7°F (0.4°C)	43rd Warmest	Warmest since: 2008	1934
	Ties: 1967, 1982, 2019
Oct 2007–Sep 2009 24-Month	41.3°F (5.2°C)	40.8°F (4.9°C)	0.5°F (0.3°C)	80th Coolest	Coolest since: 1997	1913, 1917
	41.3°F (5.2°C)	40.8°F (4.9°C)	0.5°F (0.3°C)	47th Warmest	Warmest since: 2008	2016
	Ties: 1947, 1978, 1997, 2010
Oct 2006–Sep 2009 36-Month	42.0°F (5.6°C)	40.7°F (4.8°C)	1.3°F (0.8°C)	99th Coolest	Coolest since: 1999	1917
	42.0°F (5.6°C)	40.7°F (4.8°C)	1.3°F (0.8°C)	27th Warmest	Warmest since: 2008	2017
	Ties: 1982, 1988
Oct 2005–Sep 2009 48-Month	42.3°F (5.7°C)	40.7°F (4.8°C)	1.6°F (0.9°C)	110th Coolest	Coolest since: 2004	1899
	42.3°F (5.7°C)	40.7°F (4.8°C)	1.6°F (0.9°C)	15th Warmest	Warmest since: 2008	2018
	Ties: 2013
Oct 2004–Sep 2009 60-Month	42.5°F (5.8°C)	40.7°F (4.8°C)	1.8°F (1.0°C)	113th Coolest	Coolest since: 2008	1917
	42.5°F (5.8°C)	40.7°F (4.8°C)	1.8°F (1.0°C)	11th Warmest	Warmest since: 2008	2016
	Ties: 2008, 2020

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published March 2023, retrieved on March 31, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings