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 1915

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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
December 1915 1-Month	21.4°F (-5.9°C)	20.6°F (-6.3°C)	0.8°F (0.4°C)	68th Coolest	Coolest since: 1914	1909, 1983
	21.4°F (-5.9°C)	20.6°F (-6.3°C)	0.8°F (0.4°C)	61st Warmest	Warmest since: 1910	1980
	Ties: 1907, 2015
Nov–Dec 1915 2-Month	25.9°F (-3.4°C)	24.8°F (-4.0°C)	1.1°F (0.6°C)	78th Coolest	Coolest since: 1914	1978
	25.9°F (-3.4°C)	24.8°F (-4.0°C)	1.1°F (0.6°C)	51st Warmest	Warmest since: 1910	1999
	Ties: 1989
Oct–Dec 1915 3-Month	32.1°F (0.1°C)	30.7°F (-0.7°C)	1.4°F (0.8°C)	90th Coolest	Coolest since: 1914	1919
	32.1°F (0.1°C)	30.7°F (-0.7°C)	1.4°F (0.8°C)	39th Warmest	Warmest since: 1910	1999
	Ties: 1941, 1977
Sep–Dec 1915 4-Month	36.7°F (2.6°C)	36.4°F (2.4°C)	0.3°F (0.2°C)	60th Coolest	Coolest since: 1914	1919, 1985
	36.7°F (2.6°C)	36.4°F (2.4°C)	0.3°F (0.2°C)	69th Warmest	Warmest since: 1910	2021
	Ties: 1941, 1969, 1974, 1990
Aug–Dec 1915 5-Month	41.6°F (5.3°C)	41.8°F (5.4°C)	-0.2°F (-0.1°C)	48th Coolest	Coolest since: 1914	1916, 1985
	41.6°F (5.3°C)	41.8°F (5.4°C)	-0.2°F (-0.1°C)	81st Warmest	Warmest since: 1910	2021
	Ties: 1931, 1959, 1967
Jul–Dec 1915 6-Month	44.8°F (7.1°C)	45.7°F (7.6°C)	-0.9°F (-0.5°C)	28th Coolest	Coolest since: 1913	1911
	44.8°F (7.1°C)	45.7°F (7.6°C)	-0.9°F (-0.5°C)	101st Warmest	Warmest since: 1914	2021
	Ties: 1903, 1909, 1925
Jun–Dec 1915 7-Month	45.8°F (7.7°C)	47.4°F (8.6°C)	-1.6°F (-0.9°C)	13th Coolest	Coolest since: 1912	1916
	45.8°F (7.7°C)	47.4°F (8.6°C)	-1.6°F (-0.9°C)	116th Warmest	Warmest since: 1914	2021
	Ties: 1924
May–Dec 1915 8-Month	45.8°F (7.7°C)	47.6°F (8.7°C)	-1.8°F (-1.0°C)	9th Coolest	Coolest since: 1912	1916
	45.8°F (7.7°C)	47.6°F (8.7°C)	-1.8°F (-1.0°C)	120th Warmest	Warmest since: 1914	2021
	Ties: 1898, 1968, 1972, 1985
Apr–Dec 1915 9-Month	45.8°F (7.7°C)	46.6°F (8.1°C)	-0.8°F (-0.4°C)	36th Coolest	Coolest since: 1912	1916
	45.8°F (7.7°C)	46.6°F (8.1°C)	-0.8°F (-0.4°C)	93rd Warmest	Warmest since: 1914	2021
	Ties: 1917, 1918, 1923
Mar–Dec 1915 10-Month	43.9°F (6.6°C)	44.8°F (7.1°C)	-0.9°F (-0.5°C)	33rd Coolest	Coolest since: 1912	1912
	43.9°F (6.6°C)	44.8°F (7.1°C)	-0.9°F (-0.5°C)	96th Warmest	Warmest since: 1914	2012
	Ties: 1902, 1982, 1985
Feb–Dec 1915 11-Month	42.2°F (5.7°C)	42.8°F (6.0°C)	-0.6°F (-0.3°C)	43rd Coolest	Coolest since: 1913	1912
	42.2°F (5.7°C)	42.8°F (6.0°C)	-0.6°F (-0.3°C)	86th Warmest	Warmest since: 1914	2012
	Ties: 1902, 1942
Jan–Dec 1915 12-Month	40.1°F (4.5°C)	40.8°F (4.9°C)	-0.7°F (-0.4°C)	43rd Coolest	Coolest since: 1913	1895
	40.1°F (4.5°C)	40.8°F (4.9°C)	-0.7°F (-0.4°C)	86th Warmest	Warmest since: 1914	2012
	Ties: 1902, 1930
Jul 1914–Dec 1915 18-Month	41.8°F (5.4°C)	42.4°F (5.8°C)	-0.6°F (-0.4°C)	34th Coolest	Coolest since: 1913	1912
	41.8°F (5.4°C)	42.4°F (5.8°C)	-0.6°F (-0.4°C)	94th Warmest	Warmest since: 1914	1934
	Ties: 1949
Jan 1914–Dec 1915 24-Month	40.5°F (4.7°C)	40.8°F (4.9°C)	-0.3°F (-0.2°C)	45th Coolest	Coolest since: 1914	1917
	40.5°F (4.7°C)	40.8°F (4.9°C)	-0.3°F (-0.2°C)	83rd Warmest	Warmest since: 1911	2016
	Ties: 1927, 1932, 1969, 1974
Jan 1913–Dec 1915 36-Month	40.1°F (4.5°C)	40.7°F (4.8°C)	-0.6°F (-0.3°C)	26th Coolest	Coolest since: 1914	1913, 1917, 1918
	40.1°F (4.5°C)	40.7°F (4.8°C)	-0.6°F (-0.3°C)	101st Warmest	Warmest since: 1911	2017
	Ties: 1908, 1931, 1950
Jan 1912–Dec 1915 48-Month	39.6°F (4.2°C)	40.7°F (4.8°C)	-1.1°F (-0.6°C)	8th Coolest	Coolest since: 1914	1898
	39.6°F (4.2°C)	40.7°F (4.8°C)	-1.1°F (-0.6°C)	118th Warmest	Warmest since: 1913	2018
	Ties: 1916, 1920
Jan 1911–Dec 1915 60-Month	39.6°F (4.2°C)	40.7°F (4.8°C)	-1.1°F (-0.6°C)	6th Coolest	Coolest since: 1899	1899
	39.6°F (4.2°C)	40.7°F (4.8°C)	-1.1°F (-0.6°C)	119th Warmest	Warmest since: 1914	2016
	Ties: 1918

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published March 2023, retrieved on April 1, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings