March 1931 - February 1934 River Basins Average Temperature
-99
1901-2000 base period
Degrees Fahrenheit
127 years
1901-2000
201
Pacific Northwest Basin
44.4
-0
50
44.4
202
California River Basin
57.4
0
55
57.4
203
Great Basin
48.2
-0.2
42
48.4
204
Lower Colorado River Basin
57.8
-0.5
27
58.2
205
Upper Colorado River Basin
43.1
-0.3
38
43.4
206
Rio Grande River Basin
58.8
-0.1
38
59
207
Texas Gulf Coast River Basin
66.1
0.7
99
65.4
208
Arkansas-White-Red Basin
57.9
1
105
57
209
Lower Mississippi River Basin
64.6
1.2
117
63.5
210
Missouri River Basin
46.5
1.2
99
45.3
211
Souris-Red-Rainy Basin
39.6
1.2
94
38.5
212
Upper Mississippi River Basin
48.2
1.6
112
46.7
213
Great Lakes Basin
45.6
1.2
99
44.4
214
Tennessee River Basin
58.9
1.4
117
57.5
215
Ohio River Basin
53.6
1.4
116
52.2
216
South Atlantic-Gulf Basin
65
1.1
118
63.9
217
Mid-Atlantic Basin
51
1
100
49.9
218
New England Basin
42.6
0.5
75
42.2