October 1974 - February 1975 River Basins Average Temperature
-99
1901-2000 base period
Degrees Fahrenheit
129 years
1901-2000
201
Pacific Northwest Basin
33.7
0.6
69
33
202
California River Basin
47.7
-0.3
46
48
203
Great Basin
35.5
-0.1
48
35.6
204
Lower Colorado River Basin
45.1
-1.1
27
46.2
205
Upper Colorado River Basin
29.3
-0.1
51
29.4
206
Rio Grande River Basin
46.1
-1
28
47.1
207
Texas Gulf Coast River Basin
53.2
-0.1
54
53.4
208
Arkansas-White-Red Basin
42.6
-0.4
49
43
209
Lower Mississippi River Basin
52
0.7
79
51.3
210
Missouri River Basin
30.4
0.8
78
29.6
211
Souris-Red-Rainy Basin
21.9
3.1
100
18.8
212
Upper Mississippi River Basin
30.9
1.4
94
29.5
213
Great Lakes Basin
31.3
1.9
96
29.4
214
Tennessee River Basin
45.5
0.8
80
44.6
215
Ohio River Basin
39.1
1
80
38.1
216
South Atlantic-Gulf Basin
53.9
0.8
80
53.1
217
Mid-Atlantic Basin
37.5
1.3
84
36.2
218
New England Basin
28.2
0.9
79
27.3