March 1966 - February 1967 River Basins Average Temperature
-99
1901-2000 base period
Degrees Fahrenheit
129 years
1901-2000
201
Pacific Northwest Basin
45.9
1.5
112
44.4
202
California River Basin
58.6
1.2
99
57.4
203
Great Basin
49.7
1.3
98
48.4
204
Lower Colorado River Basin
59.2
0.9
90
58.2
205
Upper Colorado River Basin
44.3
0.9
83
43.4
206
Rio Grande River Basin
59.1
0.1
69
59
207
Texas Gulf Coast River Basin
64.9
-0.5
31
65.4
208
Arkansas-White-Red Basin
57.1
0.1
69
57
209
Lower Mississippi River Basin
62.6
-0.9
21
63.5
210
Missouri River Basin
46.1
0.7
86
45.4
211
Souris-Red-Rainy Basin
37.8
-0.7
37
38.5
212
Upper Mississippi River Basin
46.1
-0.6
36
46.7
213
Great Lakes Basin
44.2
-0.2
44
44.5
214
Tennessee River Basin
56.5
-1.1
12
57.5
215
Ohio River Basin
51.3
-0.9
23
52.2
216
South Atlantic-Gulf Basin
62.8
-1.1
12
63.9
217
Mid-Atlantic Basin
49.5
-0.4
35
50
218
New England Basin
42.4
0.2
63
42.2