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.

Washington

Average Temperature Rankings, September 2015

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
September 2015 1-Month	56.2°F (13.4°C)	56.9°F (13.8°C)	-0.7°F (-0.4°C)	48th Coolest	Coolest since: 2005	1895
September 2015 1-Month	56.2°F (13.4°C)	56.9°F (13.8°C)	-0.7°F (-0.4°C)	81st Warmest	Warmest since: 2014	1967
Aug–Sep 2015 2-Month	61.4°F (16.3°C)	60.2°F (15.7°C)	1.2°F (0.6°C)	93rd Coolest	Coolest since: 2010	1895
	61.4°F (16.3°C)	60.2°F (15.7°C)	1.2°F (0.6°C)	36th Warmest	Warmest since: 2014	2022
	Ties: 1950, 1999
Jul–Sep 2015 3-Month	63.8°F (17.7°C)	61.5°F (16.4°C)	2.3°F (1.3°C)	115th Coolest	Coolest since: 2012	1895
Jul–Sep 2015 3-Month	63.8°F (17.7°C)	61.5°F (16.4°C)	2.3°F (1.3°C)	14th Warmest	Warmest since: 2014	2022
Jun–Sep 2015 4-Month	64.2°F (17.9°C)	60.5°F (15.8°C)	3.7°F (2.1°C)	127th Coolest	Coolest since: 2014	1954
	64.2°F (17.9°C)	60.5°F (15.8°C)	3.7°F (2.1°C)	2nd Warmest	Warmest since: 1998	2021
	Ties: 1967, 1998, 2022
May–Sep 2015 5-Month	62.6°F (17.0°C)	58.8°F (14.9°C)	3.8°F (2.1°C)	127th Coolest	Coolest since: 2014	1899, 1964
May–Sep 2015 5-Month	62.6°F (17.0°C)	58.8°F (14.9°C)	3.8°F (2.1°C)	2nd Warmest	Warmest since: 1958	1958
Apr–Sep 2015 6-Month	59.8°F (15.4°C)	56.5°F (13.6°C)	3.3°F (1.8°C)	128th Coolest	Coolest since: 2014	1955
Apr–Sep 2015 6-Month	59.8°F (15.4°C)	56.5°F (13.6°C)	3.3°F (1.8°C)	1st Warmest	Warmest to Date	2015
Mar–Sep 2015 7-Month	57.6°F (14.2°C)	53.9°F (12.2°C)	3.7°F (2.0°C)	128th Coolest	Coolest since: 2014	1955
Mar–Sep 2015 7-Month	57.6°F (14.2°C)	53.9°F (12.2°C)	3.7°F (2.0°C)	1st Warmest	Warmest to Date	2015
Feb–Sep 2015 8-Month	55.5°F (13.1°C)	51.3°F (10.7°C)	4.2°F (2.4°C)	128th Coolest	Coolest since: 2014	1955
Feb–Sep 2015 8-Month	55.5°F (13.1°C)	51.3°F (10.7°C)	4.2°F (2.4°C)	1st Warmest	Warmest to Date	2015
Jan–Sep 2015 9-Month	53.2°F (11.8°C)	48.7°F (9.3°C)	4.5°F (2.5°C)	128th Coolest	Coolest since: 2014	1916
Jan–Sep 2015 9-Month	53.2°F (11.8°C)	48.7°F (9.3°C)	4.5°F (2.5°C)	1st Warmest	Warmest to Date	2015
Dec 2014–Sep 2015 10-Month	51.3°F (10.7°C)	46.9°F (8.3°C)	4.4°F (2.4°C)	127th Coolest	Coolest since: 2014	1916
Dec 2014–Sep 2015 10-Month	51.3°F (10.7°C)	46.9°F (8.3°C)	4.4°F (2.4°C)	1st Warmest	Warmest to Date	2015
Nov 2014–Sep 2015 11-Month	50.0°F (10.0°C)	46.1°F (7.8°C)	3.9°F (2.2°C)	127th Coolest	Coolest since: 2014	1916, 1917
Nov 2014–Sep 2015 11-Month	50.0°F (10.0°C)	46.1°F (7.8°C)	3.9°F (2.2°C)	1st Warmest	Warmest to Date	2015
Oct 2014–Sep 2015 12-Month	50.1°F (10.1°C)	46.1°F (7.8°C)	4.0°F (2.3°C)	127th Coolest	Coolest since: 2014	1917
Oct 2014–Sep 2015 12-Month	50.1°F (10.1°C)	46.1°F (7.8°C)	4.0°F (2.3°C)	1st Warmest	Warmest to Date	2015
Apr 2014–Sep 2015 18-Month	53.1°F (11.7°C)	49.6°F (9.8°C)	3.5°F (1.9°C)	127th Coolest	Coolest since: 2014	1917
Apr 2014–Sep 2015 18-Month	53.1°F (11.7°C)	49.6°F (9.8°C)	3.5°F (1.9°C)	1st Warmest	Warmest to Date	2015
Oct 2013–Sep 2015 24-Month	48.8°F (9.3°C)	46.2°F (7.9°C)	2.6°F (1.4°C)	125th Coolest	Coolest since: 2014	1917
Oct 2013–Sep 2015 24-Month	48.8°F (9.3°C)	46.2°F (7.9°C)	2.6°F (1.4°C)	2nd Warmest	Warmest to Date	2016
Oct 2012–Sep 2015 36-Month	48.5°F (9.2°C)	46.2°F (7.9°C)	2.3°F (1.3°C)	123rd Coolest	Coolest since: 2014	1950
Oct 2012–Sep 2015 36-Month	48.5°F (9.2°C)	46.2°F (7.9°C)	2.3°F (1.3°C)	3rd Warmest	Warmest to Date	2016
Oct 2011–Sep 2015 48-Month	48.0°F (8.9°C)	46.1°F (7.8°C)	1.9°F (1.1°C)	121st Coolest	Coolest since: 2014	1950, 1951, 1952
	48.0°F (8.9°C)	46.1°F (7.8°C)	1.9°F (1.1°C)	4th Warmest	Warmest since: 2006	2016
	Ties: 2006
Oct 2010–Sep 2015 60-Month	47.5°F (8.6°C)	46.1°F (7.8°C)	1.4°F (0.8°C)	114th Coolest	Coolest since: 2014	1920, 1952
	47.5°F (8.6°C)	46.1°F (7.8°C)	1.4°F (0.8°C)	10th Warmest	Warmest since: 2007	2017
	Ties: 1942, 1992, 1994, 2005

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on January 28, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings