Washington 48-Month Period Ending in January Average Temperature
Degrees Fahrenheit
1901-1931
-99
189901
45.5
-0.2
190001
45.5
-0.2
190101
45.8
0.1
190201
45.9
0.2
190301
45.8
0.1
190401
45.7
0.0
190501
45.7
0.0
190601
45.7
0.0
190701
45.8
0.1
190801
46.2
0.5
190901
45.8
0.1
191001
45.5
-0.2
191101
45.5
-0.2
191201
45.2
-0.5
191301
45.2
-0.5
191401
45.4
-0.3
191501
45.4
-0.3
191601
45.7
0.0
191701
45.3
-0.4
191801
45.5
-0.2
191901
45.6
-0.1
192001
45.3
-0.4
192101
45.7
0.0
192201
45.4
-0.3
192301
45.0
-0.7
192401
45.3
-0.4
192501
45.5
-0.2
192601
46.3
0.6
192701
46.9
1.2
192801
46.7
1.0
192901
46.6
0.9
193001
45.6
-0.1
193101
45.4
-0.3