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 2020

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
September 2020 1-Month	55.5°F (13.1°C)	53.6°F (12.0°C)	1.9°F (1.1°C)	89th Coolest	Coolest since: 2017	1965
	55.5°F (13.1°C)	53.6°F (12.0°C)	1.9°F (1.1°C)	40th Warmest	Warmest since: 2019	1998
	Ties: 1956
Aug–Sep 2020 2-Month	61.6°F (16.4°C)	58.5°F (14.7°C)	3.1°F (1.7°C)	119th Coolest	Coolest since: 2019	1912
	61.6°F (16.4°C)	58.5°F (14.7°C)	3.1°F (1.7°C)	10th Warmest	Warmest since: 2015	2022
	Ties: 1963, 1994
Jul–Sep 2020 3-Month	63.3°F (17.4°C)	60.8°F (16.0°C)	2.5°F (1.4°C)	118th Coolest	Coolest since: 2019	1912
Jul–Sep 2020 3-Month	63.3°F (17.4°C)	60.8°F (16.0°C)	2.5°F (1.4°C)	11th Warmest	Warmest since: 2013	2022
Jun–Sep 2020 4-Month	62.4°F (16.9°C)	60.0°F (15.6°C)	2.4°F (1.3°C)	116th Coolest	Coolest since: 2019	1912, 1915
	62.4°F (16.9°C)	60.0°F (15.6°C)	2.4°F (1.3°C)	13th Warmest	Warmest since: 2016	2021
	Ties: 1933, 1994, 2016
May–Sep 2020 5-Month	60.0°F (15.6°C)	57.7°F (14.3°C)	2.3°F (1.3°C)	115th Coolest	Coolest since: 2019	1915
May–Sep 2020 5-Month	60.0°F (15.6°C)	57.7°F (14.3°C)	2.3°F (1.3°C)	14th Warmest	Warmest since: 2018	2012
Apr–Sep 2020 6-Month	56.2°F (13.4°C)	54.5°F (12.5°C)	1.7°F (0.9°C)	109th Coolest	Coolest since: 2019	1912
	56.2°F (13.4°C)	54.5°F (12.5°C)	1.7°F (0.9°C)	20th Warmest	Warmest since: 2018	2012
	Ties: 1969, 1981
Mar–Sep 2020 7-Month	52.9°F (11.6°C)	50.9°F (10.5°C)	2.0°F (1.1°C)	110th Coolest	Coolest since: 2019	1912
	52.9°F (11.6°C)	50.9°F (10.5°C)	2.0°F (1.1°C)	19th Warmest	Warmest since: 2018	2012
	Ties: 1919, 2022
Feb–Sep 2020 8-Month	48.8°F (9.3°C)	47.3°F (8.5°C)	1.5°F (0.8°C)	100th Coolest	Coolest since: 2019	1912
	48.8°F (9.3°C)	47.3°F (8.5°C)	1.5°F (0.8°C)	29th Warmest	Warmest since: 2018	2012
	Ties: 1919, 1998, 2022
Jan–Sep 2020 9-Month	46.1°F (7.8°C)	44.1°F (6.7°C)	2.0°F (1.1°C)	109th Coolest	Coolest since: 2019	1917
	46.1°F (7.8°C)	44.1°F (6.7°C)	2.0°F (1.1°C)	20th Warmest	Warmest since: 2018	2012
	Ties: 1986, 1990
Dec 2019–Sep 2020 10-Month	43.8°F (6.6°C)	41.8°F (5.4°C)	2.0°F (1.2°C)	110th Coolest	Coolest since: 2019	1917
	43.8°F (6.6°C)	41.8°F (5.4°C)	2.0°F (1.2°C)	18th Warmest	Warmest since: 2018	1934, 2012
	Ties: 1954
Nov 2019–Sep 2020 11-Month	42.5°F (5.8°C)	40.6°F (4.8°C)	1.9°F (1.0°C)	108th Coolest	Coolest since: 2019	1917
	42.5°F (5.8°C)	40.6°F (4.8°C)	1.9°F (1.0°C)	20th Warmest	Warmest since: 2018	1934
	Ties: 1963, 1988
Oct 2019–Sep 2020 12-Month	41.8°F (5.4°C)	40.7°F (4.8°C)	1.1°F (0.6°C)	94th Coolest	Coolest since: 2019	1917
	41.8°F (5.4°C)	40.7°F (4.8°C)	1.1°F (0.6°C)	34th Warmest	Warmest since: 2018	1934
	Ties: 1900, 1953, 1961, 1977, 2001
Apr 2019–Sep 2020 18-Month	46.2°F (7.9°C)	45.3°F (7.4°C)	0.9°F (0.5°C)	90th Coolest	Coolest since: 2019	1917
	46.2°F (7.9°C)	45.3°F (7.4°C)	0.9°F (0.5°C)	38th Warmest	Warmest since: 2018	1934
	Ties: 1931, 1977, 2008
Oct 2018–Sep 2020 24-Month	41.2°F (5.1°C)	40.7°F (4.8°C)	0.5°F (0.3°C)	75th Coolest	Coolest since: 2011	1913, 1917
	41.2°F (5.1°C)	40.7°F (4.8°C)	0.5°F (0.3°C)	52nd Warmest	Warmest since: 2019	2016
	Ties: 1911
Oct 2017–Sep 2020 36-Month	41.8°F (5.4°C)	40.7°F (4.8°C)	1.1°F (0.6°C)	95th Coolest	Coolest since: 2011	1917
	41.8°F (5.4°C)	40.7°F (4.8°C)	1.1°F (0.6°C)	31st Warmest	Warmest since: 2019	2017
	Ties: 1991, 1996, 1999, 2021
Oct 2016–Sep 2020 48-Month	42.2°F (5.7°C)	40.7°F (4.8°C)	1.5°F (0.9°C)	108th Coolest	Coolest since: 2012	1899
	42.2°F (5.7°C)	40.7°F (4.8°C)	1.5°F (0.9°C)	17th Warmest	Warmest since: 2019	2018
	Ties: 1990, 2022
Oct 2015–Sep 2020 60-Month	42.5°F (5.8°C)	40.7°F (4.8°C)	1.8°F (1.0°C)	113th Coolest	Coolest since: 2014	1917
	42.5°F (5.8°C)	40.7°F (4.8°C)	1.8°F (1.0°C)	11th Warmest	Warmest since: 2019	2016
	Ties: 2008, 2009

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published February 2023, retrieved on February 9, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings