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 1900

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
September 1900 1-Month	55.0°F (12.8°C)	56.9°F (13.8°C)	-1.9°F (-1.0°C)	28th Coolest	Coolest since: 1897	1895
	55.0°F (12.8°C)	56.9°F (13.8°C)	-1.9°F (-1.0°C)	101st Warmest	Warmest since: 1899	1967
	Ties: 1945, 1996
Aug–Sep 1900 2-Month	57.4°F (14.1°C)	60.3°F (15.7°C)	-2.9°F (-1.6°C)	3rd Coolest	Coolest since: 1895	1895
	57.4°F (14.1°C)	60.3°F (15.7°C)	-2.9°F (-1.6°C)	126th Warmest	Warmest since: 1899	2022
	Ties: 1907, 1912
Jul–Sep 1900 3-Month	59.4°F (15.2°C)	61.5°F (16.4°C)	-2.1°F (-1.2°C)	9th Coolest	Coolest since: 1895	1895
Jul–Sep 1900 3-Month	59.4°F (15.2°C)	61.5°F (16.4°C)	-2.1°F (-1.2°C)	120th Warmest	Warmest since: 1899	2022
Jun–Sep 1900 4-Month	59.6°F (15.3°C)	60.5°F (15.8°C)	-0.9°F (-0.5°C)	22nd Coolest	Coolest since: 1899	1954
	59.6°F (15.3°C)	60.5°F (15.8°C)	-0.9°F (-0.5°C)	107th Warmest	Warmest since: 1898	2021
	Ties: 1919, 1953, 1959
May–Sep 1900 5-Month	58.2°F (14.6°C)	58.8°F (14.9°C)	-0.6°F (-0.3°C)	34th Coolest	Coolest since: 1899	1899, 1964
	58.2°F (14.6°C)	58.8°F (14.9°C)	-0.6°F (-0.3°C)	95th Warmest	Warmest since: 1898	1958
	Ties: 1917, 1932, 2011
Apr–Sep 1900 6-Month	56.4°F (13.6°C)	56.5°F (13.6°C)	-0.1°F (0.0°C)	54th Coolest	Coolest since: 1899	1955
	56.4°F (13.6°C)	56.5°F (13.6°C)	-0.1°F (0.0°C)	75th Warmest	Warmest since: 1898	2015
	Ties: 1905, 1993
Mar–Sep 1900 7-Month	54.5°F (12.5°C)	54.0°F (12.2°C)	0.5°F (0.3°C)	86th Coolest	Coolest since: 1899	1955
	54.5°F (12.5°C)	54.0°F (12.2°C)	0.5°F (0.3°C)	43rd Warmest	Warmest to Date	2015
	Ties: 1905, 1906, 1989, 2001
Feb–Sep 1900 8-Month	51.7°F (10.9°C)	51.4°F (10.8°C)	0.3°F (0.1°C)	75th Coolest	Coolest since: 1899	1955
	51.7°F (10.9°C)	51.4°F (10.8°C)	0.3°F (0.1°C)	54th Warmest	Warmest since: 1898	2015
	Ties: 1939, 2001, 2010
Jan–Sep 1900 9-Month	49.7°F (9.8°C)	48.8°F (9.3°C)	0.9°F (0.5°C)	93rd Coolest	Coolest since: 1899	1916
	49.7°F (9.8°C)	48.8°F (9.3°C)	0.9°F (0.5°C)	36th Warmest	Warmest to Date	2015
	Ties: 1906, 1997, 2009
Dec 1899–Sep 1900 10-Month	48.1°F (8.9°C)	47.0°F (8.3°C)	1.1°F (0.6°C)	99th Coolest	Coolest since: 1899	1916
Dec 1899–Sep 1900 10-Month	48.1°F (8.9°C)	47.0°F (8.3°C)	1.1°F (0.6°C)	29th Warmest	Warmest to Date	2015
Nov 1899–Sep 1900 11-Month	47.6°F (8.7°C)	46.0°F (7.8°C)	1.6°F (0.9°C)	107th Coolest	Coolest since: 1899	1916, 1917
	47.6°F (8.7°C)	46.0°F (7.8°C)	1.6°F (0.9°C)	21st Warmest	Warmest to Date	2015
	Ties: 1938
Oct 1899–Sep 1900 12-Month	47.4°F (8.6°C)	46.1°F (7.8°C)	1.3°F (0.8°C)	103rd Coolest	Coolest since: 1899	1917
	47.4°F (8.6°C)	46.1°F (7.8°C)	1.3°F (0.8°C)	25th Warmest	Warmest to Date	2015
	Ties: 1918, 2014
Apr 1899–Sep 1900 18-Month	49.7°F (9.8°C)	49.6°F (9.8°C)	0.1°F (0.0°C)	59th Coolest	Coolest since: 1899	1917
	49.7°F (9.8°C)	49.6°F (9.8°C)	0.1°F (0.0°C)	69th Warmest	Warmest to Date	2015
	Ties: 1906, 1919, 1927, 1944, 1946, 1997, 2001
Oct 1898–Sep 1900 24-Month	45.6°F (7.6°C)	46.1°F (7.8°C)	-0.5°F (-0.2°C)	30th Coolest	Coolest since: 1899	1917
	45.6°F (7.6°C)	46.1°F (7.8°C)	-0.5°F (-0.2°C)	97th Warmest	Warmest since: 1898	2016
	Ties: 1908, 1965, 1980
Oct 1897–Sep 1900 36-Month	45.7°F (7.6°C)	46.1°F (7.8°C)	-0.4°F (-0.2°C)	30th Coolest	Coolest since: 1899	1950
	45.7°F (7.6°C)	46.1°F (7.8°C)	-0.4°F (-0.2°C)	96th Warmest	Warmest since: 1898	2016
	Ties: 1898, 1919, 1924, 1955, 1972
Oct 1896–Sep 1900 48-Month	45.6°F (7.6°C)	46.1°F (7.8°C)	-0.5°F (-0.2°C)	25th Coolest	Coolest since: 1899	1950, 1951, 1952
	45.6°F (7.6°C)	46.1°F (7.8°C)	-0.5°F (-0.2°C)	100th Warmest	Warmest to Date	2016
	Ties: 1901, 1902, 1909, 1953, 1955
Oct 1895–Sep 1900 60-Month	45.7°F (7.6°C)	46.1°F (7.8°C)	-0.4°F (-0.2°C)	26th Coolest	Coolest since: 1900	1920, 1952
	45.7°F (7.6°C)	46.1°F (7.8°C)	-0.4°F (-0.2°C)	98th Warmest	Warmest to Date	2017
	Ties: 1902, 1918, 1931, 1949, 1955, 1986

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