August 2010 - January 2011 River Basins Average Temperature
-99
1901-2000 base period
Degrees Fahrenheit
129 years
1901-2000
201
Pacific Northwest Basin
43.4
1.1
86
42.3
202
California River Basin
57.3
1.2
94
56.1
203
Great Basin
47.6
1.6
104
45.9
204
Lower Colorado River Basin
57.7
1.9
107
55.8
205
Upper Colorado River Basin
42.5
2
107
40.5
206
Rio Grande River Basin
58.1
2
114
56.1
207
Texas Gulf Coast River Basin
64.1
1.2
103
62.8
208
Arkansas-White-Red Basin
55.5
1.6
108
53.9
209
Lower Mississippi River Basin
61.3
0.5
79
60.7
210
Missouri River Basin
43
0.9
79
42
211
Souris-Red-Rainy Basin
35.1
0.9
71
34.2
212
Upper Mississippi River Basin
43.5
0.5
70
43
213
Great Lakes Basin
43.2
1
85
42.2
214
Tennessee River Basin
54.3
-0.5
44
54.8
215
Ohio River Basin
49
-0.4
44
49.4
216
South Atlantic-Gulf Basin
60.9
-0.7
31
61.6
217
Mid-Atlantic Basin
48
0.4
74
47.6
218
New England Basin
42
2.1
105
39.9