August - December 1915 River Basins Average Temperature
-99
1901-2000 base period
Degrees Fahrenheit
129 years
1901-2000
201
Pacific Northwest Basin
45.7
0.2
63
45.5
202
California River Basin
58.6
-0.3
44
58.9
203
Great Basin
50.1
0.6
78
49.4
204
Lower Colorado River Basin
58.9
-0.2
47
59.2
205
Upper Colorado River Basin
43.8
-0.5
42
44.3
206
Rio Grande River Basin
59.1
-0.1
52
59.2
207
Texas Gulf Coast River Basin
66.7
0.5
85
66.2
208
Arkansas-White-Red Basin
57.7
-0
58
57.8
209
Lower Mississippi River Basin
64.8
0.8
95
64
210
Missouri River Basin
46.5
0
54
46.5
211
Souris-Red-Rainy Basin
40.5
0.3
60
40.2
212
Upper Mississippi River Basin
48
-0.1
54
48.1
213
Great Lakes Basin
46.3
-0.4
45
46.7
214
Tennessee River Basin
59.2
1
93
58.2
215
Ohio River Basin
53.5
0.2
58
53.4
216
South Atlantic-Gulf Basin
65.2
0.8
88
64.5
217
Mid-Atlantic Basin
51.5
-0
49
51.5
218
New England Basin
45.4
0.9
76
44.6