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, December 2009

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
December 2009 1-Month	14.5°F (-9.7°C)	20.6°F (-6.3°C)	-6.1°F (-3.4°C)	12th Coolest	Coolest since: 1990	1909, 1983
December 2009 1-Month	14.5°F (-9.7°C)	20.6°F (-6.3°C)	-6.1°F (-3.4°C)	117th Warmest	Warmest since: 2008	1980
Nov–Dec 2009 2-Month	24.2°F (-4.3°C)	24.8°F (-4.0°C)	-0.6°F (-0.3°C)	48th Coolest	Coolest since: 2000	1978
	24.2°F (-4.3°C)	24.8°F (-4.0°C)	-0.6°F (-0.3°C)	81st Warmest	Warmest since: 2008	1999
	Ties: 1991
Oct–Dec 2009 3-Month	27.8°F (-2.3°C)	30.7°F (-0.7°C)	-2.9°F (-1.6°C)	13th Coolest	Coolest since: 2000	1919
	27.8°F (-2.3°C)	30.7°F (-0.7°C)	-2.9°F (-1.6°C)	116th Warmest	Warmest since: 2008	1999
	Ties: 1909
Sep–Dec 2009 4-Month	35.2°F (1.8°C)	36.4°F (2.4°C)	-1.2°F (-0.6°C)	31st Coolest	Coolest since: 2000	1919
	35.2°F (1.8°C)	36.4°F (2.4°C)	-1.2°F (-0.6°C)	98th Warmest	Warmest since: 2008	2021
	Ties: 1905
Aug–Dec 2009 5-Month	40.5°F (4.7°C)	41.8°F (5.4°C)	-1.3°F (-0.7°C)	24th Coolest	Coolest since: 1993	1916, 1985
Aug–Dec 2009 5-Month	40.5°F (4.7°C)	41.8°F (5.4°C)	-1.3°F (-0.7°C)	105th Warmest	Warmest since: 2008	2021
Jul–Dec 2009 6-Month	44.4°F (6.9°C)	45.7°F (7.6°C)	-1.3°F (-0.7°C)	21st Coolest	Coolest since: 1993	1911
	44.4°F (6.9°C)	45.7°F (7.6°C)	-1.3°F (-0.7°C)	108th Warmest	Warmest since: 2008	2021
	Ties: 1920, 1932
Jun–Dec 2009 7-Month	46.0°F (7.8°C)	47.5°F (8.6°C)	-1.5°F (-0.8°C)	16th Coolest	Coolest since: 1993	1916
	46.0°F (7.8°C)	47.5°F (8.6°C)	-1.5°F (-0.8°C)	113th Warmest	Warmest since: 2008	2021
	Ties: 1919, 1927
May–Dec 2009 8-Month	46.5°F (8.1°C)	47.6°F (8.7°C)	-1.1°F (-0.6°C)	27th Coolest	Coolest since: 1993	1916
	46.5°F (8.1°C)	47.6°F (8.7°C)	-1.1°F (-0.6°C)	102nd Warmest	Warmest since: 2008	2021
	Ties: 1919, 1967
Apr–Dec 2009 9-Month	45.6°F (7.6°C)	46.6°F (8.1°C)	-1.0°F (-0.5°C)	30th Coolest	Coolest since: 1993	1916
	45.6°F (7.6°C)	46.6°F (8.1°C)	-1.0°F (-0.5°C)	99th Warmest	Warmest since: 2008	2021
	Ties: 1899, 1961, 1967
Mar–Dec 2009 10-Month	44.1°F (6.7°C)	44.8°F (7.1°C)	-0.7°F (-0.4°C)	39th Coolest	Coolest since: 1993	1912
	44.1°F (6.7°C)	44.8°F (7.1°C)	-0.7°F (-0.4°C)	90th Warmest	Warmest since: 2008	2012
	Ties: 1905, 1907, 1913, 1972
Feb–Dec 2009 11-Month	42.5°F (5.8°C)	42.8°F (6.0°C)	-0.3°F (-0.2°C)	50th Coolest	Coolest since: 1993	1912
	42.5°F (5.8°C)	42.8°F (6.0°C)	-0.3°F (-0.2°C)	79th Warmest	Warmest since: 2008	2012
	Ties: 1914, 1918
Jan–Dec 2009 12-Month	40.9°F (4.9°C)	40.7°F (4.8°C)	0.2°F (0.1°C)	60th Coolest	Coolest since: 2008	1895
	40.9°F (4.9°C)	40.7°F (4.8°C)	0.2°F (0.1°C)	69th Warmest	Warmest since: 2007	2012
	Ties: 1914, 1983
Jul 2008–Dec 2009 18-Month	42.9°F (6.1°C)	42.4°F (5.8°C)	0.5°F (0.3°C)	78th Coolest	Coolest since: 1997	1912
	42.9°F (6.1°C)	42.4°F (5.8°C)	0.5°F (0.3°C)	50th Warmest	Warmest since: 2008	1934
	Ties: 1931, 1976
Jan 2008–Dec 2009 24-Month	40.8°F (4.9°C)	40.7°F (4.8°C)	0.1°F (0.1°C)	59th Coolest	Coolest since: 1993	1917
	40.8°F (4.9°C)	40.7°F (4.8°C)	0.1°F (0.1°C)	69th Warmest	Warmest since: 2008	2016
	Ties: 1921, 1938, 1942, 1943, 1957, 1986
Jan 2007–Dec 2009 36-Month	41.6°F (5.3°C)	40.7°F (4.8°C)	0.9°F (0.5°C)	91st Coolest	Coolest since: 1998	1913, 1917, 1918
	41.6°F (5.3°C)	40.7°F (4.8°C)	0.9°F (0.5°C)	36th Warmest	Warmest since: 2008	2017
	Ties: 1991, 1998
Jan 2006–Dec 2009 48-Month	42.0°F (5.6°C)	40.7°F (4.8°C)	1.3°F (0.8°C)	101st Coolest	Coolest since: 1999	1898
	42.0°F (5.6°C)	40.7°F (4.8°C)	1.3°F (0.8°C)	25th Warmest	Warmest since: 2008	2018
	Ties: 1999
Jan 2005–Dec 2009 60-Month	42.2°F (5.7°C)	40.7°F (4.8°C)	1.5°F (0.9°C)	108th Coolest	Coolest since: 2000	1899
	42.2°F (5.7°C)	40.7°F (4.8°C)	1.5°F (0.9°C)	17th Warmest	Warmest since: 2008	2016
	Ties: 2022

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on February 7, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings