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 2015

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Record Coolest

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
September 2015 1-Month	59.4°F (15.2°C)	53.6°F (12.0°C)	5.8°F (3.2°C)	126th Coolest	Coolest since: 2014	1965
September 2015 1-Month	59.4°F (15.2°C)	53.6°F (12.0°C)	5.8°F (3.2°C)	3rd Warmest	Warmest since: 1998	1998
Aug–Sep 2015 2-Month	61.9°F (16.6°C)	58.5°F (14.7°C)	3.4°F (1.9°C)	122nd Coolest	Coolest since: 2014	1912
	61.9°F (16.6°C)	58.5°F (14.7°C)	3.4°F (1.9°C)	7th Warmest	Warmest since: 2013	2022
	Ties: 1990
Jul–Sep 2015 3-Month	62.5°F (16.9°C)	60.7°F (15.9°C)	1.8°F (1.0°C)	104th Coolest	Coolest since: 2014	1912
	62.5°F (16.9°C)	60.7°F (15.9°C)	1.8°F (1.0°C)	25th Warmest	Warmest since: 2013	2022
	Ties: 1935, 1966, 2002, 2019
Jun–Sep 2015 4-Month	62.7°F (17.1°C)	60.0°F (15.6°C)	2.7°F (1.5°C)	119th Coolest	Coolest since: 2014	1912, 1915
Jun–Sep 2015 4-Month	62.7°F (17.1°C)	60.0°F (15.6°C)	2.7°F (1.5°C)	10th Warmest	Warmest since: 2013	2021
May–Sep 2015 5-Month	59.5°F (15.3°C)	57.7°F (14.3°C)	1.8°F (1.0°C)	111th Coolest	Coolest since: 2014	1915
	59.5°F (15.3°C)	57.7°F (14.3°C)	1.8°F (1.0°C)	18th Warmest	Warmest since: 2013	2012
	Ties: 2016
Apr–Sep 2015 6-Month	56.5°F (13.6°C)	54.5°F (12.5°C)	2.0°F (1.1°C)	114th Coolest	Coolest since: 2014	1912
	56.5°F (13.6°C)	54.5°F (12.5°C)	2.0°F (1.1°C)	15th Warmest	Warmest since: 2012	2012
	Ties: 2016
Mar–Sep 2015 7-Month	53.8°F (12.1°C)	50.9°F (10.5°C)	2.9°F (1.6°C)	123rd Coolest	Coolest since: 2014	1912
	53.8°F (12.1°C)	50.9°F (10.5°C)	2.9°F (1.6°C)	6th Warmest	Warmest since: 2012	2012
	Ties: 1934
Feb–Sep 2015 8-Month	50.6°F (10.3°C)	47.3°F (8.5°C)	3.3°F (1.8°C)	125th Coolest	Coolest since: 2014	1912
	50.6°F (10.3°C)	47.3°F (8.5°C)	3.3°F (1.8°C)	4th Warmest	Warmest since: 2012	2012
	Ties: 2000
Jan–Sep 2015 9-Month	47.8°F (8.8°C)	44.1°F (6.7°C)	3.7°F (2.1°C)	126th Coolest	Coolest since: 2014	1917
Jan–Sep 2015 9-Month	47.8°F (8.8°C)	44.1°F (6.7°C)	3.7°F (2.1°C)	3rd Warmest	Warmest since: 2012	2012
Dec 2014–Sep 2015 10-Month	45.5°F (7.5°C)	41.8°F (5.4°C)	3.7°F (2.1°C)	124th Coolest	Coolest since: 2014	1917
Dec 2014–Sep 2015 10-Month	45.5°F (7.5°C)	41.8°F (5.4°C)	3.7°F (2.1°C)	4th Warmest	Warmest since: 2012	1934, 2012
Nov 2014–Sep 2015 11-Month	43.9°F (6.6°C)	40.6°F (4.8°C)	3.3°F (1.8°C)	123rd Coolest	Coolest since: 2014	1917
Nov 2014–Sep 2015 11-Month	43.9°F (6.6°C)	40.6°F (4.8°C)	3.3°F (1.8°C)	5th Warmest	Warmest since: 2012	1934
Oct 2014–Sep 2015 12-Month	44.1°F (6.7°C)	40.8°F (4.9°C)	3.3°F (1.8°C)	124th Coolest	Coolest since: 2014	1917
	44.1°F (6.7°C)	40.8°F (4.9°C)	3.3°F (1.8°C)	4th Warmest	Warmest since: 2012	1934
	Ties: 1981
Apr 2014–Sep 2015 18-Month	47.8°F (8.8°C)	45.3°F (7.4°C)	2.5°F (1.4°C)	122nd Coolest	Coolest since: 2014	1917
	47.8°F (8.8°C)	45.3°F (7.4°C)	2.5°F (1.4°C)	6th Warmest	Warmest since: 2013	1934
	Ties: 1981, 2012
Oct 2013–Sep 2015 24-Month	42.7°F (5.9°C)	40.8°F (4.9°C)	1.9°F (1.0°C)	115th Coolest	Coolest since: 2014	1913, 1917
Oct 2013–Sep 2015 24-Month	42.7°F (5.9°C)	40.8°F (4.9°C)	1.9°F (1.0°C)	12th Warmest	Warmest since: 2013	2016
Oct 2012–Sep 2015 36-Month	42.6°F (5.9°C)	40.7°F (4.8°C)	1.9°F (1.1°C)	114th Coolest	Coolest since: 2012	1917
	42.6°F (5.9°C)	40.7°F (4.8°C)	1.9°F (1.1°C)	12th Warmest	Warmest since: 2014	2017
	Ties: 1936, 2005
Oct 2011–Sep 2015 48-Month	43.1°F (6.2°C)	40.7°F (4.8°C)	2.4°F (1.4°C)	123rd Coolest	Coolest since: 2014	1899
	43.1°F (6.2°C)	40.7°F (4.8°C)	2.4°F (1.4°C)	2nd Warmest	Warmest to Date	2018
	Ties: 2017
Oct 2010–Sep 2015 60-Month	42.8°F (6.0°C)	40.7°F (4.8°C)	2.1°F (1.2°C)	118th Coolest	Coolest since: 2014	1917
Oct 2010–Sep 2015 60-Month	42.8°F (6.0°C)	40.7°F (4.8°C)	2.1°F (1.2°C)	6th Warmest	Warmest since: 2007	2016

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