Statewide Rankings

Statewide Data Info
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 1990

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PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Warmest/Coolest
Since		Record
September 1990
1-Month		62.2°F
(16.8°C)		56.9°F
(13.8°C)		5.3°F
(3.0°C)		127th Coolest
Coolest since:
1895
2nd Warmest
Warmest since:
1967
Ties: 1998
Aug–Sep 1990
2-Month		64.0°F
(17.8°C)		60.2°F
(15.7°C)		3.8°F
(2.1°C)		124th Coolest
Coolest since:
1895
5th Warmest
Warmest since:
2022
Jul–Sep 1990
3-Month		65.0°F
(18.3°C)		61.5°F
(16.4°C)		3.5°F
(1.9°C)		123rd Coolest
Coolest since:
1895
6th Warmest
Warmest since:
2022
Jun–Sep 1990
4-Month		63.1°F
(17.3°C)		60.6°F
(15.9°C)		2.5°F
(1.4°C)		118th Coolest
Coolest since:
1954
11th Warmest
Warmest since:
2021
May–Sep 1990
5-Month		60.6°F
(15.9°C)		58.8°F
(14.9°C)		1.8°F
(1.0°C)		112th Coolest
Coolest since:
1899, 1964
17th Warmest
Warmest since:
1958
Ties: 1938, 2004, 2020
Apr–Sep 1990
6-Month		58.6°F
(14.8°C)		56.5°F
(13.6°C)		2.1°F
(1.2°C)		118th Coolest
Coolest since:
1955
11th Warmest
Warmest since:
2015
Ties: 1987, 2004
Mar–Sep 1990
7-Month		56.1°F
(13.4°C)		54.0°F
(12.2°C)		2.1°F
(1.2°C)		118th Coolest
Coolest since:
1955
11th Warmest
Warmest since:
2015
Ties: 1934, 1987
Feb–Sep 1990
8-Month		53.1°F
(11.7°C)		51.4°F
(10.8°C)		1.7°F
(0.9°C)		114th Coolest
Coolest since:
1955
15th Warmest
Warmest since:
2015
Ties: 1925
Jan–Sep 1990
9-Month		51.0°F
(10.6°C)		48.8°F
(9.3°C)		2.2°F
(1.3°C)		117th Coolest
Coolest since:
1916
12th Warmest
Warmest since:
2015
Ties: 1987
Dec 1989–Sep 1990
10-Month		49.3°F
(9.6°C)		47.0°F
(8.3°C)		2.3°F
(1.3°C)		117th Coolest
Coolest since:
1916
11th Warmest
Warmest since:
2015
Ties: 1926, 1967
Nov 1989–Sep 1990
11-Month		48.4°F
(9.1°C)		46.0°F
(7.8°C)		2.4°F
(1.3°C)		118th Coolest
Coolest since:
1916, 1917
10th Warmest
Warmest since:
2015
Ties: 1967
Oct 1989–Sep 1990
12-Month		48.3°F
(9.1°C)		46.1°F
(7.8°C)		2.2°F
(1.3°C)		118th Coolest
Coolest since:
1917
10th Warmest
Warmest since:
2015
Apr 1989–Sep 1990
18-Month		51.3°F
(10.7°C)		49.6°F
(9.8°C)		1.7°F
(0.9°C)		116th Coolest
Coolest since:
1917
12th Warmest
Warmest since:
2015
Ties: 2003, 2018
Oct 1988–Sep 1990
24-Month		47.5°F
(8.6°C)		46.1°F
(7.8°C)		1.4°F
(0.8°C)		108th Coolest
Coolest since:
1917
19th Warmest
Warmest since:
2016
Ties: 1968, 1998
Oct 1987–Sep 1990
36-Month		47.4°F
(8.6°C)		46.1°F
(7.8°C)		1.3°F
(0.8°C)		109th Coolest
Coolest since:
1950
17th Warmest
Warmest since:
2016
Ties: 1968, 2020
Oct 1986–Sep 1990
48-Month		47.6°F
(8.7°C)		46.1°F
(7.8°C)		1.5°F
(0.9°C)		116th Coolest
Coolest since:
1950, 1951, 1952
9th Warmest
Warmest since:
2016
Ties: 1992, 2007, 2019, 2022
Oct 1985–Sep 1990
60-Month		47.1°F
(8.4°C)		46.1°F
(7.8°C)		1.0°F
(0.6°C)		103rd Coolest
Coolest since:
1920, 1952
21st Warmest
Warmest since:
2017
Ties: 1941, 1993, 2002

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