July 1946 - February 1947 River Basins Average Temperature
-99
1901-2000 base period
Degrees Fahrenheit
129 years
1901-2000
201
Pacific Northwest Basin
43
-0.5
37
43.5
202
California River Basin
56.4
-0.6
30
57.1
203
Great Basin
47.2
-0.2
44
47.4
204
Lower Colorado River Basin
56.9
-0.3
46
57.2
205
Upper Colorado River Basin
42.6
0.6
74
41.9
206
Rio Grande River Basin
57.4
0.2
70
57.2
207
Texas Gulf Coast River Basin
63.7
-0.1
57
63.8
208
Arkansas-White-Red Basin
55.7
0.6
88
55.2
209
Lower Mississippi River Basin
61.7
0.1
57
61.7
210
Missouri River Basin
43.1
-0.3
49
43.4
211
Souris-Red-Rainy Basin
35.1
-0.3
52
35.4
212
Upper Mississippi River Basin
44.6
0.4
68
44.1
213
Great Lakes Basin
43.7
1
84
42.8
214
Tennessee River Basin
55.6
-0.1
49
55.7
215
Ohio River Basin
50.7
0.5
76
50.3
216
South Atlantic-Gulf Basin
62.8
0.4
77
62.4
217
Mid-Atlantic Basin
49.2
0.9
90
48.3
218
New England Basin
41.5
1
89
40.5