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 1909

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
December 1909 1-Month	9.1°F (-12.7°C)	20.6°F (-6.3°C)	-11.5°F (-6.4°C)	1st Coolest	Coolest since: 1909	1909, 1983
	9.1°F (-12.7°C)	20.6°F (-6.3°C)	-11.5°F (-6.4°C)	128th Warmest	Warmest since: 1908	1980
	Ties: 1983
Nov–Dec 1909 2-Month	20.3°F (-6.5°C)	24.8°F (-4.0°C)	-4.5°F (-2.5°C)	10th Coolest	Coolest since: 1898	1978
Nov–Dec 1909 2-Month	20.3°F (-6.5°C)	24.8°F (-4.0°C)	-4.5°F (-2.5°C)	119th Warmest	Warmest since: 1908	1999
Oct–Dec 1909 3-Month	27.8°F (-2.3°C)	30.7°F (-0.7°C)	-2.9°F (-1.6°C)	13th Coolest	Coolest since: 1898	1919
	27.8°F (-2.3°C)	30.7°F (-0.7°C)	-2.9°F (-1.6°C)	116th Warmest	Warmest since: 1908	1999
	Ties: 2009
Sep–Dec 1909 4-Month	34.4°F (1.3°C)	36.5°F (2.5°C)	-2.1°F (-1.2°C)	17th Coolest	Coolest since: 1898	1919
	34.4°F (1.3°C)	36.5°F (2.5°C)	-2.1°F (-1.2°C)	112th Warmest	Warmest since: 1908	2021
	Ties: 1970
Aug–Dec 1909 5-Month	40.7°F (4.8°C)	41.9°F (5.5°C)	-1.2°F (-0.7°C)	26th Coolest	Coolest since: 1908	1916, 1985
	40.7°F (4.8°C)	41.9°F (5.5°C)	-1.2°F (-0.7°C)	103rd Warmest	Warmest since: 1907	2021
	Ties: 2000
Jul–Dec 1909 6-Month	44.8°F (7.1°C)	45.8°F (7.7°C)	-1.0°F (-0.6°C)	28th Coolest	Coolest since: 1908	1911
	44.8°F (7.1°C)	45.8°F (7.7°C)	-1.0°F (-0.6°C)	101st Warmest	Warmest since: 1907	2021
	Ties: 1903, 1915, 1925
Jun–Dec 1909 7-Month	46.7°F (8.2°C)	47.4°F (8.6°C)	-0.7°F (-0.4°C)	36th Coolest	Coolest since: 1908	1916
	46.7°F (8.2°C)	47.4°F (8.6°C)	-0.7°F (-0.4°C)	93rd Warmest	Warmest since: 1906	2021
	Ties: 1944, 1967, 1983
May–Dec 1909 8-Month	46.4°F (8.0°C)	47.5°F (8.6°C)	-1.1°F (-0.6°C)	21st Coolest	Coolest since: 1908	1916
	46.4°F (8.0°C)	47.5°F (8.6°C)	-1.1°F (-0.6°C)	108th Warmest	Warmest since: 1906	2021
	Ties: 1896, 1899, 1903, 1945, 1983
Apr–Dec 1909 9-Month	45.0°F (7.2°C)	46.6°F (8.1°C)	-1.6°F (-0.9°C)	11th Coolest	Coolest since: 1895	1916
	45.0°F (7.2°C)	46.6°F (8.1°C)	-1.6°F (-0.9°C)	118th Warmest	Warmest since: 1908	2021
	Ties: 1927, 1928, 1945, 1983
Mar–Dec 1909 10-Month	43.3°F (6.3°C)	44.8°F (7.1°C)	-1.5°F (-0.8°C)	10th Coolest	Coolest since: 1899	1912
	43.3°F (6.3°C)	44.8°F (7.1°C)	-1.5°F (-0.8°C)	119th Warmest	Warmest since: 1908	2012
	Ties: 1896, 1927
Feb–Dec 1909 11-Month	41.3°F (5.2°C)	42.8°F (6.0°C)	-1.5°F (-0.8°C)	13th Coolest	Coolest since: 1903	1912
	41.3°F (5.2°C)	42.8°F (6.0°C)	-1.5°F (-0.8°C)	116th Warmest	Warmest since: 1908	2012
	Ties: 1911, 1913, 1975
Jan–Dec 1909 12-Month	39.5°F (4.2°C)	40.7°F (4.8°C)	-1.2°F (-0.6°C)	19th Coolest	Coolest since: 1903	1895
Jan–Dec 1909 12-Month	39.5°F (4.2°C)	40.7°F (4.8°C)	-1.2°F (-0.6°C)	110th Warmest	Warmest since: 1908	2012
Jul 1908–Dec 1909 18-Month	41.1°F (5.1°C)	42.5°F (5.8°C)	-1.4°F (-0.7°C)	15th Coolest	Coolest since: 1903	1912
	41.1°F (5.1°C)	42.5°F (5.8°C)	-1.4°F (-0.7°C)	113th Warmest	Warmest since: 1908	1934
	Ties: 1897, 1898
Jan 1908–Dec 1909 24-Month	39.7°F (4.3°C)	40.8°F (4.9°C)	-1.1°F (-0.6°C)	16th Coolest	Coolest since: 1903	1917
	39.7°F (4.3°C)	40.8°F (4.9°C)	-1.1°F (-0.6°C)	112th Warmest	Warmest since: 1908	2016
	Ties: 1897, 1945, 1952, 1979
Jan 1907–Dec 1909 36-Month	39.9°F (4.4°C)	40.7°F (4.8°C)	-0.8°F (-0.4°C)	16th Coolest	Coolest since: 1905	1913, 1917, 1918
	39.9°F (4.4°C)	40.7°F (4.8°C)	-0.8°F (-0.4°C)	111th Warmest	Warmest since: 1908	2017
	Ties: 1920, 1925
Jan 1906–Dec 1909 48-Month	39.9°F (4.4°C)	40.7°F (4.8°C)	-0.8°F (-0.4°C)	14th Coolest	Coolest since: 1906	1898
	39.9°F (4.4°C)	40.7°F (4.8°C)	-0.8°F (-0.4°C)	112th Warmest	Warmest since: 1908	2018
	Ties: 1900, 1905, 1906, 1912, 1924, 1929, 1932, 1952
Jan 1905–Dec 1909 60-Month	39.9°F (4.4°C)	40.7°F (4.8°C)	-0.8°F (-0.4°C)	11th Coolest	Coolest since: 1906	1899
	39.9°F (4.4°C)	40.7°F (4.8°C)	-0.8°F (-0.4°C)	114th Warmest	Warmest since: 1908	2016
	Ties: 1900, 1906, 1930, 1932, 1951, 1952

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on January 28, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings