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 1991

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
September 1991 1-Month	60.4°F (15.8°C)	56.9°F (13.8°C)	3.5°F (2.0°C)	115th Coolest	Coolest since: 1989	1895
	60.4°F (15.8°C)	56.9°F (13.8°C)	3.5°F (2.0°C)	14th Warmest	Warmest since: 1990	1967
	Ties: 1957
Aug–Sep 1991 2-Month	63.1°F (17.3°C)	60.2°F (15.7°C)	2.9°F (1.6°C)	121st Coolest	Coolest since: 1989	1895
Aug–Sep 1991 2-Month	63.1°F (17.3°C)	60.2°F (15.7°C)	2.9°F (1.6°C)	8th Warmest	Warmest since: 1990	2022
Jul–Sep 1991 3-Month	63.6°F (17.6°C)	61.5°F (16.4°C)	2.1°F (1.2°C)	113th Coolest	Coolest since: 1989	1895
	63.6°F (17.6°C)	61.5°F (16.4°C)	2.1°F (1.2°C)	16th Warmest	Warmest since: 1990	2022
	Ties: 1942
Jun–Sep 1991 4-Month	61.4°F (16.3°C)	60.5°F (15.8°C)	0.9°F (0.5°C)	98th Coolest	Coolest since: 1989	1954
	61.4°F (16.3°C)	60.5°F (15.8°C)	0.9°F (0.5°C)	31st Warmest	Warmest since: 1990	2021
	Ties: 1923, 1997, 2007, 2016
May–Sep 1991 5-Month	59.1°F (15.1°C)	58.8°F (14.9°C)	0.3°F (0.2°C)	74th Coolest	Coolest since: 1988	1899, 1964
	59.1°F (15.1°C)	58.8°F (14.9°C)	0.3°F (0.2°C)	55th Warmest	Warmest since: 1990	1958
	Ties: 1947, 1949, 1970, 1985, 2008
Apr–Sep 1991 6-Month	56.7°F (13.7°C)	56.5°F (13.6°C)	0.2°F (0.1°C)	61st Coolest	Coolest since: 1986	1955
	56.7°F (13.7°C)	56.5°F (13.6°C)	0.2°F (0.1°C)	68th Warmest	Warmest since: 1990	2015
	Ties: 1914, 1973, 1986
Mar–Sep 1991 7-Month	54.0°F (12.2°C)	54.0°F (12.2°C)	0.0°F (0.0°C)	57th Coolest	Coolest since: 1984	1955
	54.0°F (12.2°C)	54.0°F (12.2°C)	0.0°F (0.0°C)	72nd Warmest	Warmest since: 1990	2015
	Ties: 1937, 1946, 1978, 1983
Feb–Sep 1991 8-Month	52.3°F (11.3°C)	51.4°F (10.8°C)	0.9°F (0.5°C)	96th Coolest	Coolest since: 1989	1955
	52.3°F (11.3°C)	51.4°F (10.8°C)	0.9°F (0.5°C)	33rd Warmest	Warmest since: 1990	2015
	Ties: 1979
Jan–Sep 1991 9-Month	49.6°F (9.8°C)	48.7°F (9.3°C)	0.9°F (0.5°C)	89th Coolest	Coolest since: 1989	1916
	49.6°F (9.8°C)	48.7°F (9.3°C)	0.9°F (0.5°C)	40th Warmest	Warmest since: 1990	2015
	Ties: 1914, 1939, 1947, 1968
Dec 1990–Sep 1991 10-Month	47.1°F (8.4°C)	47.0°F (8.3°C)	0.1°F (0.1°C)	62nd Coolest	Coolest since: 1989	1916
	47.1°F (8.4°C)	47.0°F (8.3°C)	0.1°F (0.1°C)	66th Warmest	Warmest since: 1990	2015
	Ties: 1999
Nov 1990–Sep 1991 11-Month	46.4°F (8.0°C)	46.0°F (7.8°C)	0.4°F (0.2°C)	72nd Coolest	Coolest since: 1989	1916, 1917
	46.4°F (8.0°C)	46.0°F (7.8°C)	0.4°F (0.2°C)	56th Warmest	Warmest since: 1990	2015
	Ties: 1953, 1996, 1997, 1999
Oct 1990–Sep 1991 12-Month	46.2°F (7.9°C)	46.1°F (7.8°C)	0.1°F (0.1°C)	58th Coolest	Coolest since: 1986	1917
	46.2°F (7.9°C)	46.1°F (7.8°C)	0.1°F (0.1°C)	70th Warmest	Warmest since: 1990	2015
	Ties: 1928, 1947, 1951, 2001
Apr 1990–Sep 1991 18-Month	50.4°F (10.2°C)	49.6°F (9.8°C)	0.8°F (0.4°C)	93rd Coolest	Coolest since: 1989	1917
	50.4°F (10.2°C)	49.6°F (9.8°C)	0.8°F (0.4°C)	35th Warmest	Warmest since: 1990	2015
	Ties: 1935, 1961, 2010
Oct 1989–Sep 1991 24-Month	47.3°F (8.5°C)	46.2°F (7.9°C)	1.1°F (0.6°C)	104th Coolest	Coolest since: 1989	1917
	47.3°F (8.5°C)	46.2°F (7.9°C)	1.1°F (0.6°C)	23rd Warmest	Warmest since: 1990	2016
	Ties: 1926, 1939, 1993, 2018, 2019, 2020
Oct 1988–Sep 1991 36-Month	47.1°F (8.4°C)	46.2°F (7.9°C)	0.9°F (0.5°C)	100th Coolest	Coolest since: 1988	1950
	47.1°F (8.4°C)	46.2°F (7.9°C)	0.9°F (0.5°C)	26th Warmest	Warmest since: 1990	2016
	Ties: 1998, 2003
Oct 1987–Sep 1991 48-Month	47.1°F (8.4°C)	46.1°F (7.8°C)	1.0°F (0.6°C)	102nd Coolest	Coolest since: 1989	1950, 1951, 1952
	47.1°F (8.4°C)	46.1°F (7.8°C)	1.0°F (0.6°C)	23rd Warmest	Warmest since: 1990	2016
	Ties: 1943, 1998
Oct 1986–Sep 1991 60-Month	47.3°F (8.5°C)	46.1°F (7.8°C)	1.2°F (0.7°C)	109th Coolest	Coolest since: 1990	1920, 1952
	47.3°F (8.5°C)	46.1°F (7.8°C)	1.2°F (0.7°C)	15th Warmest	Warmest since: 1942	2017
	Ties: 1998, 2004

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on February 8, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings