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 1939

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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 1939 1-Month	42.1°F (5.6°C)	38.8°F (3.8°C)	3.3°F (1.8°C)	107th Coolest	Coolest since: 1938	1920
April 1939 1-Month	42.1°F (5.6°C)	38.8°F (3.8°C)	3.3°F (1.8°C)	23rd Warmest	Warmest since: 1934	1915
Mar–Apr 1939 2-Month	36.4°F (2.4°C)	34.0°F (1.1°C)	2.4°F (1.3°C)	102nd Coolest	Coolest since: 1938	1917
	36.4°F (2.4°C)	34.0°F (1.1°C)	2.4°F (1.3°C)	28th Warmest	Warmest since: 1934	1910
	Ties: 1915, 2005
Feb–Apr 1939 3-Month	28.4°F (-2.0°C)	30.1°F (-1.1°C)	-1.7°F (-0.9°C)	31st Coolest	Coolest since: 1937	1899
	28.4°F (-2.0°C)	30.1°F (-1.1°C)	-1.7°F (-0.9°C)	99th Warmest	Warmest since: 1938	1992
	Ties: 1896
Jan–Apr 1939 4-Month	26.9°F (-2.8°C)	27.2°F (-2.7°C)	-0.3°F (-0.1°C)	55th Coolest	Coolest since: 1937	1917
	26.9°F (-2.8°C)	27.2°F (-2.7°C)	-0.3°F (-0.1°C)	75th Warmest	Warmest since: 1938	1992
	Ties: 1902, 1989, 2011
Dec 1938–Apr 1939 5-Month	26.1°F (-3.3°C)	25.8°F (-3.4°C)	0.3°F (0.1°C)	63rd Coolest	Coolest since: 1937	1917
	26.1°F (-3.3°C)	25.8°F (-3.4°C)	0.3°F (0.1°C)	66th Warmest	Warmest since: 1938	1981
	Ties: 2013
Nov 1938–Apr 1939 6-Month	25.7°F (-3.5°C)	26.4°F (-3.1°C)	-0.7°F (-0.4°C)	37th Coolest	Coolest since: 1937	1917
	25.7°F (-3.5°C)	26.4°F (-3.1°C)	-0.7°F (-0.4°C)	92nd Warmest	Warmest since: 1938	1934
	Ties: 1906, 1930, 1957, 1969
Oct 1938–Apr 1939 7-Month	28.6°F (-1.9°C)	28.7°F (-1.8°C)	-0.1°F (-0.1°C)	51st Coolest	Coolest since: 1937	1917
	28.6°F (-1.9°C)	28.7°F (-1.8°C)	-0.1°F (-0.1°C)	78th Warmest	Warmest since: 1938	1934
	Ties: 1916, 1968, 1972, 1997
Sep 1938–Apr 1939 8-Month	32.2°F (0.1°C)	31.8°F (-0.1°C)	0.4°F (0.2°C)	69th Coolest	Coolest since: 1937	1917
	32.2°F (0.1°C)	31.8°F (-0.1°C)	0.4°F (0.2°C)	60th Warmest	Warmest since: 1938	1934
	Ties: 1918, 1921, 1951, 1964
Aug 1938–Apr 1939 9-Month	35.7°F (2.1°C)	35.3°F (1.8°C)	0.4°F (0.3°C)	73rd Coolest	Coolest since: 1937	1917
	35.7°F (2.1°C)	35.3°F (1.8°C)	0.4°F (0.3°C)	56th Warmest	Warmest since: 1938	1934
	Ties: 1900, 1915, 1976, 2008
Jul 1938–Apr 1939 10-Month	38.6°F (3.7°C)	38.3°F (3.5°C)	0.3°F (0.2°C)	71st Coolest	Coolest since: 1937	1917
	38.6°F (3.7°C)	38.3°F (3.5°C)	0.3°F (0.2°C)	58th Warmest	Warmest since: 1938	1934
	Ties: 1900, 1905, 1908, 1925, 1931, 1970, 2001, 2019
Jun 1938–Apr 1939 11-Month	40.5°F (4.7°C)	40.1°F (4.5°C)	0.4°F (0.2°C)	76th Coolest	Coolest since: 1937	1917
	40.5°F (4.7°C)	40.1°F (4.5°C)	0.4°F (0.2°C)	53rd Warmest	Warmest since: 1938	1934
	Ties: 1983
May 1938–Apr 1939 12-Month	41.0°F (5.0°C)	40.8°F (4.9°C)	0.2°F (0.1°C)	72nd Coolest	Coolest since: 1937	1917
	41.0°F (5.0°C)	40.8°F (4.9°C)	0.2°F (0.1°C)	57th Warmest	Warmest since: 1938	1934
	Ties: 1983
Nov 1937–Apr 1939 18-Month	36.6°F (2.6°C)	36.0°F (2.2°C)	0.6°F (0.4°C)	80th Coolest	Coolest since: 1938	1913
	36.6°F (2.6°C)	36.0°F (2.2°C)	0.6°F (0.4°C)	48th Warmest	Warmest since: 1935	1935, 2016
	Ties: 1911, 1997, 2009, 2011
May 1937–Apr 1939 24-Month	41.7°F (5.4°C)	40.7°F (4.8°C)	1.0°F (0.6°C)	92nd Coolest	Coolest since: 1938	1917
	41.7°F (5.4°C)	40.7°F (4.8°C)	1.0°F (0.6°C)	36th Warmest	Warmest since: 1935	1935
	Ties: 2021
May 1936–Apr 1939 36-Month	41.3°F (5.2°C)	40.7°F (4.8°C)	0.6°F (0.4°C)	83rd Coolest	Coolest since: 1938	1918
	41.3°F (5.2°C)	40.7°F (4.8°C)	0.6°F (0.4°C)	44th Warmest	Warmest since: 1936	2017
	Ties: 1996, 1998, 2011
May 1935–Apr 1939 48-Month	40.8°F (4.9°C)	40.7°F (4.8°C)	0.1°F (0.1°C)	56th Coolest	Coolest since: 1933	1899
	40.8°F (4.9°C)	40.7°F (4.8°C)	0.1°F (0.1°C)	70th Warmest	Warmest since: 1938	2018
	Ties: 1946, 1958, 1965, 1968, 1970, 1977
May 1934–Apr 1939 60-Month	41.2°F (5.1°C)	40.7°F (4.8°C)	0.5°F (0.3°C)	76th Coolest	Coolest since: 1934	1917
	41.2°F (5.1°C)	40.7°F (4.8°C)	0.5°F (0.3°C)	49th Warmest	Warmest since: 1938	2017
	Ties: 1940, 1967, 1985

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