Pacific Northwest Basin October-January Average Temperature
Degrees Fahrenheit
1901-2000
-99
189601
33.9
0.2
189701
33.3
-0.4
189801
32.6
-1.1
189901
31.6
-2.1
190001
35.4
1.7
190101
34.4
0.7
190201
35.5
1.8
190301
34.1
0.4
190401
34.2
0.5
190501
36.1
2.4
190601
32.1
-1.6
190701
33.2
-0.5
190801
36.0
2.3
190901
32.7
-1.0
191001
31.5
-2.2
191101
34.7
1.0
191201
32.0
-1.7
191301
32.0
-1.7
191401
34.1
0.4
191501
32.1
-1.6
191601
31.1
-2.6
191701
29.0
-4.7
191801
37.8
4.1
191901
34.2
0.5
192001
29.9
-3.8
192101
33.6
-0.1
192201
32.2
-1.5
192301
33.1
-0.6
192401
32.8
-0.9
192501
31.9
-1.8
192601
34.4
0.7
192701
34.7
1.0
192801
33.5
-0.2
192901
30.9
-2.8
193001
31.3
-2.4
193101
32.1
-1.6
193201
31.1
-2.6
193301
32.9
-0.8
193401
38.6
4.9
193501
35.9
2.2
193601
32.4
-1.3
193701
30.2
-3.5
193801
36.8
3.1
193901
34.5
0.8
194001
36.5
2.8
194101
34.9
1.2
194201
33.8
0.1
194301
33.5
-0.2
194401
34.1
0.4
194501
34.8
1.1
194601
34.1
0.4
194701
31.9
-1.8
194801
34.7
1.0
194901
27.7
-6.0
195001
31.6
-2.1
195101
35.5
1.8
195201
31.0
-2.7
195301
36.4
2.7
195401
36.4
2.7
195501
34.0
0.3
195601
33.0
-0.7
195701
30.7
-3.0
195801
34.5
0.8
195901
36.5
2.8
196001
32.7
-1.0
196101
34.6
0.9
196201
31.4
-2.3
196301
34.6
0.9
196401
35.1
1.4
196501
34.4
0.7
196601
36.1
2.4
196701
36.4
2.7
196801
34.0
0.3
196901
32.3
-1.4
197001
34.5
0.8
197101
33.5
-0.2
197201
31.9
-1.8
197301
32.1
-1.6
197401
34.0
0.3
197501
35.0
1.3
197601
34.7
1.0
197701
33.8
0.1
197801
35.2
1.5
197901
29.0
-4.7
198001
34.2
0.5
198101
37.1
3.4
198201
34.3
0.6
198301
34.0
0.3
198401
32.9
-0.8
198501
30.5
-3.2
198601
30.1
-3.6
198701
34.4
0.7
198801
35.0
1.3
198901
35.5
1.8
199001
36.1
2.4
199101
31.7
-2.0
199201
35.7
2.0
199301
32.1
-1.6
199401
35.2
1.5
199501
33.3
-0.4
199601
35.3
1.6
199701
34.3
0.6
199801
35.4
1.7
199901
35.1
1.4
200001
37.0
3.3
200101
33.1
-0.6
200201
35.1
1.4
200301
36.9
3.2
200401
34.8
1.1
200501
36.1
2.4
200601
35.3
1.6
200701
33.8
0.1
200801
33.1
-0.6
200901
35.1
1.4
201001
33.8
0.1
201101
35.2
1.5
201201
34.9
1.2