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 1939

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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 1939 1-Month	58.1°F (14.5°C)	56.9°F (13.8°C)	1.2°F (0.7°C)	86th Coolest	Coolest since: 1936	1895
September 1939 1-Month	58.1°F (14.5°C)	56.9°F (13.8°C)	1.2°F (0.7°C)	43rd Warmest	Warmest since: 1938	1967
Aug–Sep 1939 2-Month	61.7°F (16.5°C)	60.2°F (15.7°C)	1.5°F (0.8°C)	100th Coolest	Coolest since: 1937	1895
	61.7°F (16.5°C)	60.2°F (15.7°C)	1.5°F (0.8°C)	29th Warmest	Warmest since: 1938	2022
	Ties: 1923, 1966
Jul–Sep 1939 3-Month	62.7°F (17.1°C)	61.5°F (16.4°C)	1.2°F (0.7°C)	100th Coolest	Coolest since: 1937	1895
	62.7°F (17.1°C)	61.5°F (16.4°C)	1.2°F (0.7°C)	29th Warmest	Warmest since: 1938	2022
	Ties: 2007
Jun–Sep 1939 4-Month	60.9°F (16.1°C)	60.6°F (15.9°C)	0.3°F (0.2°C)	78th Coolest	Coolest since: 1937	1954
	60.9°F (16.1°C)	60.6°F (15.9°C)	0.3°F (0.2°C)	51st Warmest	Warmest since: 1938	2021
	Ties: 1936, 1960, 1969, 1996, 2005
May–Sep 1939 5-Month	59.4°F (15.2°C)	58.8°F (14.9°C)	0.6°F (0.3°C)	90th Coolest	Coolest since: 1937	1899, 1964
	59.4°F (15.2°C)	58.8°F (14.9°C)	0.6°F (0.3°C)	39th Warmest	Warmest since: 1938	1958
	Ties: 1898, 1918, 1923, 1942, 1957, 2012
Apr–Sep 1939 6-Month	57.4°F (14.1°C)	56.5°F (13.6°C)	0.9°F (0.5°C)	99th Coolest	Coolest since: 1937	1955
	57.4°F (14.1°C)	56.5°F (13.6°C)	0.9°F (0.5°C)	30th Warmest	Warmest since: 1938	2015
	Ties: 1915, 1926, 1989, 2005
Mar–Sep 1939 7-Month	54.8°F (12.7°C)	54.0°F (12.2°C)	0.8°F (0.5°C)	95th Coolest	Coolest since: 1937	1955
	54.8°F (12.7°C)	54.0°F (12.2°C)	0.8°F (0.5°C)	34th Warmest	Warmest since: 1938	2015
	Ties: 1931, 1936
Feb–Sep 1939 8-Month	51.7°F (10.9°C)	51.4°F (10.8°C)	0.3°F (0.1°C)	75th Coolest	Coolest since: 1937	1955
	51.7°F (10.9°C)	51.4°F (10.8°C)	0.3°F (0.1°C)	54th Warmest	Warmest since: 1938	2015
	Ties: 1900, 2001, 2010
Jan–Sep 1939 9-Month	49.6°F (9.8°C)	48.8°F (9.3°C)	0.8°F (0.5°C)	89th Coolest	Coolest since: 1937	1916
	49.6°F (9.8°C)	48.8°F (9.3°C)	0.8°F (0.5°C)	40th Warmest	Warmest since: 1938	2015
	Ties: 1914, 1947, 1968, 1991
Dec 1938–Sep 1939 10-Month	47.8°F (8.8°C)	47.0°F (8.3°C)	0.8°F (0.5°C)	93rd Coolest	Coolest since: 1937	1916
	47.8°F (8.8°C)	47.0°F (8.3°C)	0.8°F (0.5°C)	35th Warmest	Warmest since: 1938	2015
	Ties: 1906, 1914, 1947, 2019
Nov 1938–Sep 1939 11-Month	46.6°F (8.1°C)	46.0°F (7.8°C)	0.6°F (0.3°C)	78th Coolest	Coolest since: 1937	1916, 1917
	46.6°F (8.1°C)	46.0°F (7.8°C)	0.6°F (0.3°C)	50th Warmest	Warmest since: 1938	2015
	Ties: 1977, 2012
Oct 1938–Sep 1939 12-Month	46.7°F (8.2°C)	46.1°F (7.8°C)	0.6°F (0.4°C)	83rd Coolest	Coolest since: 1937	1917
	46.7°F (8.2°C)	46.1°F (7.8°C)	0.6°F (0.4°C)	45th Warmest	Warmest since: 1938	2015
	Ties: 1914, 1942, 1977, 1989, 2009
Apr 1938–Sep 1939 18-Month	50.6°F (10.3°C)	49.6°F (9.8°C)	1.0°F (0.5°C)	97th Coolest	Coolest since: 1937	1917
	50.6°F (10.3°C)	49.6°F (9.8°C)	1.0°F (0.5°C)	31st Warmest	Warmest since: 1938	2015
	Ties: 1968
Oct 1937–Sep 1939 24-Month	47.3°F (8.5°C)	46.1°F (7.8°C)	1.2°F (0.7°C)	104th Coolest	Coolest since: 1938	1917
	47.3°F (8.5°C)	46.1°F (7.8°C)	1.2°F (0.7°C)	23rd Warmest	Warmest since: 1935	2016
	Ties: 1926, 1991, 1993, 2018, 2019, 2020
Oct 1936–Sep 1939 36-Month	46.4°F (8.0°C)	46.1°F (7.8°C)	0.3°F (0.2°C)	76th Coolest	Coolest since: 1938	1950
	46.4°F (8.0°C)	46.1°F (7.8°C)	0.3°F (0.2°C)	50th Warmest	Warmest since: 1936	2016
	Ties: 1906, 1925, 1947, 2009
Oct 1935–Sep 1939 48-Month	46.2°F (7.9°C)	46.1°F (7.8°C)	0.1°F (0.1°C)	67th Coolest	Coolest since: 1938	1950, 1951, 1952
	46.2°F (7.9°C)	46.1°F (7.8°C)	0.1°F (0.1°C)	58th Warmest	Warmest since: 1937	2016
	Ties: 1908, 1945, 1946, 1963, 1964, 1982, 2011
Oct 1934–Sep 1939 60-Month	46.2°F (7.9°C)	46.1°F (7.8°C)	0.1°F (0.1°C)	66th Coolest	Coolest since: 1937	1920, 1952
	46.2°F (7.9°C)	46.1°F (7.8°C)	0.1°F (0.1°C)	58th Warmest	Warmest since: 1938	2017
	Ties: 1934, 1947, 1948, 1963, 1978, 1985, 1988

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published March 2023, retrieved on March 27, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings