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 1955

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
May 1955 1-Month	49.5°F (9.7°C)	48.4°F (9.1°C)	1.1°F (0.6°C)	82nd Coolest	Coolest since: 1954	1917
	49.5°F (9.7°C)	48.4°F (9.1°C)	1.1°F (0.6°C)	47th Warmest	Warmest since: 1952	1934
	Ties: 1961, 1977, 1989, 1997
Apr–May 1955 2-Month	43.8°F (6.6°C)	43.7°F (6.5°C)	0.1°F (0.1°C)	58th Coolest	Coolest since: 1953	1917
	43.8°F (6.6°C)	43.7°F (6.5°C)	0.1°F (0.1°C)	71st Warmest	Warmest since: 1954	1934
	Ties: 1928, 1947, 1966, 1986
Mar–May 1955 3-Month	36.7°F (2.6°C)	38.8°F (3.8°C)	-2.1°F (-1.2°C)	20th Coolest	Coolest since: 1951	1917
	36.7°F (2.6°C)	38.8°F (3.8°C)	-2.1°F (-1.2°C)	109th Warmest	Warmest since: 1954	1934
	Ties: 1951
Feb–May 1955 4-Month	31.8°F (-0.1°C)	34.6°F (1.4°C)	-2.8°F (-1.5°C)	11th Coolest	Coolest since: 1933	1917
	31.8°F (-0.1°C)	34.6°F (1.4°C)	-2.8°F (-1.5°C)	118th Warmest	Warmest since: 1954	1934, 1992
	Ties: 1909, 1920, 1964
Jan–May 1955 5-Month	29.0°F (-1.7°C)	31.4°F (-0.3°C)	-2.4°F (-1.4°C)	15th Coolest	Coolest since: 1949	1917
Jan–May 1955 5-Month	29.0°F (-1.7°C)	31.4°F (-0.3°C)	-2.4°F (-1.4°C)	114th Warmest	Warmest since: 1954	1934
Dec 1954–May 1955 6-Month	27.9°F (-2.3°C)	29.6°F (-1.3°C)	-1.7°F (-1.0°C)	20th Coolest	Coolest since: 1949	1917
	27.9°F (-2.3°C)	29.6°F (-1.3°C)	-1.7°F (-1.0°C)	108th Warmest	Warmest since: 1954	1934
	Ties: 1898, 1923
Nov 1954–May 1955 7-Month	29.0°F (-1.7°C)	29.6°F (-1.3°C)	-0.6°F (-0.4°C)	41st Coolest	Coolest since: 1952	1917
	29.0°F (-1.7°C)	29.6°F (-1.3°C)	-0.6°F (-0.4°C)	87th Warmest	Warmest since: 1954	1934
	Ties: 1985
Oct 1954–May 1955 8-Month	30.6°F (-0.8°C)	31.2°F (-0.4°C)	-0.6°F (-0.4°C)	37th Coolest	Coolest since: 1952	1917
	30.6°F (-0.8°C)	31.2°F (-0.4°C)	-0.6°F (-0.4°C)	91st Warmest	Warmest since: 1954	1934
	Ties: 2010
Sep 1954–May 1955 9-Month	33.4°F (0.8°C)	33.6°F (0.9°C)	-0.2°F (-0.1°C)	41st Coolest	Coolest since: 1952	1917
	33.4°F (0.8°C)	33.6°F (0.9°C)	-0.2°F (-0.1°C)	87th Warmest	Warmest since: 1954	1934
	Ties: 1914, 1945, 1968
Aug 1954–May 1955 10-Month	36.4°F (2.4°C)	36.6°F (2.6°C)	-0.2°F (-0.2°C)	41st Coolest	Coolest since: 1952	1917
	36.4°F (2.4°C)	36.6°F (2.6°C)	-0.2°F (-0.2°C)	87th Warmest	Warmest since: 1954	1934
	Ties: 1948, 1957, 2010
Jul 1954–May 1955 11-Month	39.4°F (4.1°C)	39.2°F (4.0°C)	0.2°F (0.1°C)	61st Coolest	Coolest since: 1952	1917
	39.4°F (4.1°C)	39.2°F (4.0°C)	0.2°F (0.1°C)	67th Warmest	Warmest since: 1954	1934
	Ties: 1910, 1931, 1944, 1997
Jun 1954–May 1955 12-Month	40.9°F (4.9°C)	40.8°F (4.9°C)	0.1°F (0.0°C)	59th Coolest	Coolest since: 1952	1917
	40.9°F (4.9°C)	40.8°F (4.9°C)	0.1°F (0.0°C)	69th Warmest	Warmest since: 1954	1934
	Ties: 1931, 1947, 1983, 1986, 2019
Dec 1953–May 1955 18-Month	38.0°F (3.3°C)	37.1°F (2.8°C)	0.9°F (0.5°C)	92nd Coolest	Coolest since: 1953	1917
	38.0°F (3.3°C)	37.1°F (2.8°C)	0.9°F (0.5°C)	35th Warmest	Warmest since: 1954	2016
	Ties: 1901, 1959, 1977, 1978, 1998, 2019
Jun 1953–May 1955 24-Month	42.1°F (5.6°C)	40.8°F (4.9°C)	1.3°F (0.7°C)	101st Coolest	Coolest since: 1953	1917
	42.1°F (5.6°C)	40.8°F (4.9°C)	1.3°F (0.7°C)	26th Warmest	Warmest since: 1954	1935
	Ties: 1940
Jun 1952–May 1955 36-Month	41.9°F (5.5°C)	40.7°F (4.8°C)	1.2°F (0.7°C)	96th Coolest	Coolest since: 1954	1918
Jun 1952–May 1955 36-Month	41.9°F (5.5°C)	40.7°F (4.8°C)	1.2°F (0.7°C)	30th Warmest	Warmest since: 1941	2017
Jun 1951–May 1955 48-Month	41.1°F (5.1°C)	40.7°F (4.8°C)	0.4°F (0.3°C)	74th Coolest	Coolest since: 1954	1899
	41.1°F (5.1°C)	40.7°F (4.8°C)	0.4°F (0.3°C)	51st Warmest	Warmest since: 1944	2018
	Ties: 1938, 1944, 1963
Jun 1950–May 1955 60-Month	41.0°F (5.0°C)	40.7°F (4.8°C)	0.3°F (0.2°C)	68th Coolest	Coolest since: 1954	1917
	41.0°F (5.0°C)	40.7°F (4.8°C)	0.3°F (0.2°C)	56th Warmest	Warmest since: 1944	2016, 2017, 2018
	Ties: 1956, 1959, 1962, 1965, 1978

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on January 31, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings