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, May 1978

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
May 1978 1-Month	46.2°F (7.9°C)	48.4°F (9.1°C)	-2.2°F (-1.2°C)	27th Coolest	Coolest since: 1975	1917
	46.2°F (7.9°C)	48.4°F (9.1°C)	-2.2°F (-1.2°C)	102nd Warmest	Warmest since: 1977	1934
	Ties: 1924, 1927, 1959, 1965
Apr–May 1978 2-Month	43.5°F (6.4°C)	43.7°F (6.5°C)	-0.2°F (-0.1°C)	52nd Coolest	Coolest since: 1975	1917
	43.5°F (6.4°C)	43.7°F (6.5°C)	-0.2°F (-0.1°C)	77th Warmest	Warmest since: 1977	1934
	Ties: 1965, 1996
Mar–May 1978 3-Month	39.9°F (4.4°C)	38.8°F (3.8°C)	1.1°F (0.6°C)	90th Coolest	Coolest since: 1977	1917
	39.9°F (4.4°C)	38.8°F (3.8°C)	1.1°F (0.6°C)	39th Warmest	Warmest since: 1977	1934
	Ties: 1911, 1960, 1974, 1977
Feb–May 1978 4-Month	34.9°F (1.6°C)	34.7°F (1.5°C)	0.2°F (0.1°C)	71st Coolest	Coolest since: 1975	1917
	34.9°F (1.6°C)	34.7°F (1.5°C)	0.2°F (0.1°C)	58th Warmest	Warmest since: 1977	1934, 1992
	Ties: 1967
Jan–May 1978 5-Month	31.3°F (-0.4°C)	31.4°F (-0.3°C)	-0.1°F (-0.1°C)	54th Coolest	Coolest since: 1975	1917
	31.3°F (-0.4°C)	31.4°F (-0.3°C)	-0.1°F (-0.1°C)	75th Warmest	Warmest since: 1977	1934
	Ties: 1947, 1968, 1970, 1971, 1996
Dec 1977–May 1978 6-Month	29.8°F (-1.2°C)	29.6°F (-1.3°C)	0.2°F (0.1°C)	62nd Coolest	Coolest since: 1975	1917
	29.8°F (-1.2°C)	29.6°F (-1.3°C)	0.2°F (0.1°C)	66th Warmest	Warmest since: 1977	1934
	Ties: 1997
Nov 1977–May 1978 7-Month	29.8°F (-1.2°C)	29.5°F (-1.4°C)	0.3°F (0.2°C)	60th Coolest	Coolest since: 1975	1917
Nov 1977–May 1978 7-Month	29.8°F (-1.2°C)	29.5°F (-1.4°C)	0.3°F (0.2°C)	68th Warmest	Warmest since: 1977	1934
Oct 1977–May 1978 8-Month	31.6°F (-0.2°C)	31.2°F (-0.4°C)	0.4°F (0.2°C)	71st Coolest	Coolest since: 1975	1917
	31.6°F (-0.2°C)	31.2°F (-0.4°C)	0.4°F (0.2°C)	57th Warmest	Warmest since: 1977	1934
	Ties: 1905, 1921, 1939, 1991, 2020
Sep 1977–May 1978 9-Month	34.1°F (1.2°C)	33.6°F (0.9°C)	0.5°F (0.3°C)	73rd Coolest	Coolest since: 1975	1917
	34.1°F (1.2°C)	33.6°F (0.9°C)	0.5°F (0.3°C)	55th Warmest	Warmest since: 1977	1934
	Ties: 1908, 1919, 1926, 1951, 1964, 2011
Aug 1977–May 1978 10-Month	36.8°F (2.7°C)	36.6°F (2.6°C)	0.2°F (0.1°C)	59th Coolest	Coolest since: 1975	1917
	36.8°F (2.7°C)	36.6°F (2.6°C)	0.2°F (0.1°C)	69th Warmest	Warmest since: 1977	1934
	Ties: 1908, 1910, 1919, 1921, 2008
Jul 1977–May 1978 11-Month	39.5°F (4.2°C)	39.2°F (4.0°C)	0.3°F (0.2°C)	70th Coolest	Coolest since: 1975	1917
	39.5°F (4.2°C)	39.2°F (4.0°C)	0.3°F (0.2°C)	58th Warmest	Warmest since: 1977	1934
	Ties: 1901, 1926, 1959, 1970
Jun 1977–May 1978 12-Month	41.4°F (5.2°C)	40.8°F (4.9°C)	0.6°F (0.3°C)	86th Coolest	Coolest since: 1977	1917
	41.4°F (5.2°C)	40.8°F (4.9°C)	0.6°F (0.3°C)	42nd Warmest	Warmest since: 1977	1934
	Ties: 1958, 1977, 1982, 2020
Dec 1976–May 1978 18-Month	38.0°F (3.3°C)	37.0°F (2.8°C)	1.0°F (0.5°C)	92nd Coolest	Coolest since: 1977	1917
	38.0°F (3.3°C)	37.0°F (2.8°C)	1.0°F (0.5°C)	35th Warmest	Warmest since: 1977	2016
	Ties: 1901, 1955, 1959, 1977, 1998, 2019
Jun 1976–May 1978 24-Month	41.4°F (5.2°C)	40.7°F (4.8°C)	0.7°F (0.4°C)	86th Coolest	Coolest since: 1977	1917
	41.4°F (5.2°C)	40.7°F (4.8°C)	0.7°F (0.4°C)	41st Warmest	Warmest since: 1964	1935
	Ties: 1911, 1942, 1961
Jun 1975–May 1978 36-Month	41.3°F (5.2°C)	40.7°F (4.8°C)	0.6°F (0.4°C)	84th Coolest	Coolest since: 1977	1918
	41.3°F (5.2°C)	40.7°F (4.8°C)	0.6°F (0.4°C)	42nd Warmest	Warmest since: 1961	2017
	Ties: 1902, 1943, 1961
Jun 1974–May 1978 48-Month	40.9°F (4.9°C)	40.7°F (4.8°C)	0.2°F (0.1°C)	66th Coolest	Coolest since: 1977	1899
	40.9°F (4.9°C)	40.7°F (4.8°C)	0.2°F (0.1°C)	59th Warmest	Warmest since: 1977	2018
	Ties: 1958, 1962, 1966, 1967, 1977, 1996
Jun 1973–May 1978 60-Month	41.0°F (5.0°C)	40.7°F (4.8°C)	0.3°F (0.2°C)	68th Coolest	Coolest since: 1977	1917
	41.0°F (5.0°C)	40.7°F (4.8°C)	0.3°F (0.2°C)	56th Warmest	Warmest since: 1967	2016, 2017, 2018
	Ties: 1955, 1956, 1959, 1962, 1965

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published March 2023, retrieved on March 22, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings