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, September 1957

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
September 1957 1-Month	52.0°F (11.1°C)	53.6°F (12.0°C)	-1.6°F (-0.9°C)	28th Coolest	Coolest since: 1951	1965
	52.0°F (11.1°C)	53.6°F (12.0°C)	-1.6°F (-0.9°C)	101st Warmest	Warmest since: 1956	1998
	Ties: 1921, 1968
Aug–Sep 1957 2-Month	58.2°F (14.6°C)	58.5°F (14.7°C)	-0.3°F (-0.1°C)	52nd Coolest	Coolest since: 1951	1912
	58.2°F (14.6°C)	58.5°F (14.7°C)	-0.3°F (-0.1°C)	77th Warmest	Warmest since: 1956	2022
	Ties: 1904, 1914, 1944, 1946, 2006
Jul–Sep 1957 3-Month	60.7°F (15.9°C)	60.7°F (15.9°C)	0.0°F (0.0°C)	54th Coolest	Coolest since: 1956	1912
	60.7°F (15.9°C)	60.7°F (15.9°C)	0.0°F (0.0°C)	75th Warmest	Warmest since: 1955	2022
	Ties: 1958, 1970
Jun–Sep 1957 4-Month	59.7°F (15.4°C)	60.0°F (15.6°C)	-0.3°F (-0.2°C)	45th Coolest	Coolest since: 1951	1912, 1915
	59.7°F (15.4°C)	60.0°F (15.6°C)	-0.3°F (-0.2°C)	84th Warmest	Warmest since: 1956	2021
	Ties: 1901, 1911, 1984, 1999
May–Sep 1957 5-Month	57.3°F (14.1°C)	57.7°F (14.3°C)	-0.4°F (-0.2°C)	40th Coolest	Coolest since: 1951	1915
	57.3°F (14.1°C)	57.7°F (14.3°C)	-0.4°F (-0.2°C)	89th Warmest	Warmest since: 1956	2012
	Ties: 1918, 1926, 1964, 1974
Apr–Sep 1957 6-Month	53.7°F (12.1°C)	54.5°F (12.5°C)	-0.8°F (-0.4°C)	34th Coolest	Coolest since: 1951	1912
	53.7°F (12.1°C)	54.5°F (12.5°C)	-0.8°F (-0.4°C)	95th Warmest	Warmest since: 1956	2012
	Ties: 1944, 1970
Mar–Sep 1957 7-Month	50.4°F (10.2°C)	50.9°F (10.5°C)	-0.5°F (-0.3°C)	39th Coolest	Coolest since: 1955	1912
	50.4°F (10.2°C)	50.9°F (10.5°C)	-0.5°F (-0.3°C)	90th Warmest	Warmest since: 1956	2012
	Ties: 1942, 1962
Feb–Sep 1957 8-Month	47.5°F (8.6°C)	47.3°F (8.5°C)	0.2°F (0.1°C)	60th Coolest	Coolest since: 1956	1912
	47.5°F (8.6°C)	47.3°F (8.5°C)	0.2°F (0.1°C)	69th Warmest	Warmest since: 1954	2012
	Ties: 1898, 1937, 1939, 1952, 1995
Jan–Sep 1957 9-Month	43.4°F (6.3°C)	44.1°F (6.7°C)	-0.7°F (-0.4°C)	38th Coolest	Coolest since: 1955	1917
	43.4°F (6.3°C)	44.1°F (6.7°C)	-0.7°F (-0.4°C)	91st Warmest	Warmest since: 1956	2012
	Ties: 1902, 1909, 1982
Dec 1956–Sep 1957 10-Month	41.5°F (5.3°C)	41.8°F (5.4°C)	-0.3°F (-0.1°C)	45th Coolest	Coolest since: 1955	1917
	41.5°F (5.3°C)	41.8°F (5.4°C)	-0.3°F (-0.1°C)	83rd Warmest	Warmest since: 1956	1934, 2012
	Ties: 1897, 1952, 1971, 1982
Nov 1956–Sep 1957 11-Month	40.1°F (4.5°C)	40.6°F (4.8°C)	-0.5°F (-0.3°C)	39th Coolest	Coolest since: 1952	1917
	40.1°F (4.5°C)	40.6°F (4.8°C)	-0.5°F (-0.3°C)	89th Warmest	Warmest since: 1956	1934
	Ties: 1930, 1948, 1952
Oct 1956–Sep 1957 12-Month	40.5°F (4.7°C)	40.8°F (4.9°C)	-0.3°F (-0.2°C)	44th Coolest	Coolest since: 1952	1917
	40.5°F (4.7°C)	40.8°F (4.9°C)	-0.3°F (-0.2°C)	84th Warmest	Warmest since: 1956	1934
	Ties: 1904, 1970, 2008
Apr 1956–Sep 1957 18-Month	45.4°F (7.4°C)	45.3°F (7.4°C)	0.1°F (0.0°C)	56th Coolest	Coolest since: 1952	1917
	45.4°F (7.4°C)	45.3°F (7.4°C)	0.1°F (0.0°C)	72nd Warmest	Warmest since: 1956	1934
	Ties: 1914, 1983
Oct 1955–Sep 1957 24-Month	40.6°F (4.8°C)	40.8°F (4.9°C)	-0.2°F (-0.1°C)	49th Coolest	Coolest since: 1952	1913, 1917
	40.6°F (4.8°C)	40.8°F (4.9°C)	-0.2°F (-0.1°C)	78th Warmest	Warmest since: 1956	2016
	Ties: 1922, 1966, 1968
Oct 1954–Sep 1957 36-Month	40.6°F (4.8°C)	40.7°F (4.8°C)	-0.1°F (0.0°C)	48th Coolest	Coolest since: 1952	1917
	40.6°F (4.8°C)	40.7°F (4.8°C)	-0.1°F (0.0°C)	78th Warmest	Warmest since: 1956	2017
	Ties: 1932, 1946, 1966, 1971, 1984
Oct 1953–Sep 1957 48-Month	41.2°F (5.1°C)	40.7°F (4.8°C)	0.5°F (0.3°C)	77th Coolest	Coolest since: 1953	1899
	41.2°F (5.1°C)	40.7°F (4.8°C)	0.5°F (0.3°C)	48th Warmest	Warmest since: 1956	2018
	Ties: 1938, 1963, 1981, 1982, 2011
Oct 1952–Sep 1957 60-Month	41.4°F (5.2°C)	40.7°F (4.8°C)	0.7°F (0.4°C)	87th Coolest	Coolest since: 1956	1917
	41.4°F (5.2°C)	40.7°F (4.8°C)	0.7°F (0.4°C)	37th Warmest	Warmest since: 1943	2016
	Ties: 1940, 1984, 1989, 1993, 1995, 1996

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published May 2023, retrieved on June 5, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings