August 1956 - January 1958 River Basins Average Temperature
-99
1901-2000 base period
Degrees Fahrenheit
128 years
1901-2000
201
Pacific Northwest Basin
43.4
-0.4
39
43.7
202
California River Basin
56.8
-0.2
46
56.9
203
Great Basin
47.2
-0.4
35
47.6
204
Lower Colorado River Basin
57.5
0.1
57
57.4
205
Upper Colorado River Basin
41.9
-0.5
35
42.4
206
Rio Grande River Basin
58.2
0.2
70
58
207
Texas Gulf Coast River Basin
64.9
0.3
76
64.6
208
Arkansas-White-Red Basin
56.4
0.4
80
56
209
Lower Mississippi River Basin
63.1
0.5
88
62.6
210
Missouri River Basin
44.8
0.6
83
44.2
211
Souris-Red-Rainy Basin
38.1
1.1
90
37.1
212
Upper Mississippi River Basin
46.2
0.8
85
45.5
213
Great Lakes Basin
44.2
0.5
79
43.7
214
Tennessee River Basin
57.5
0.9
98
56.6
215
Ohio River Basin
51.9
0.7
85
51.3
216
South Atlantic-Gulf Basin
63.6
0.4
87
63.1
217
Mid-Atlantic Basin
49.9
0.7
89
49.2
218
New England Basin
42.3
0.9
90
41.4