Stream and Station
|
|
Most
Probable
Forecast
(1000 AF)
|
Most
Probable
Forecast
(% of Avg)
|
Reasonable
Maximum
(% of Avg)
|
Reasonable
Minimum
(% of Avg)
|
30 Year
(1961-1990)
Avg Runoff
(1000 AF)
|
COLUMBIA RIVER
Mica Reservoir Inflow, BC
Arrow Lakes Inflow, BC
Birchbank, BC (1)
International Boundary, BC (1)
Grand Coulee, WA (1)
Rock Island Dam blo, WA (1)
The Dalles nr, OR (1)
|
FEB-SEP
APR-SEP
FEB-SEP
APR-SEP
APR-SEP
APR-SEP
JAN-JUL
APR-SEP
APR-SEP
JAN-JUL
APR-SEP
|
13800
13200
28700
27300
46600
60600
65800
66700
73900
105000
98200
|
105
104
107
107
106
101
104
104
105
99
99
|
115
114
115
115
117
113
115
115
116
110
110
|
95
93
100
99
96
90
93
94
94
89
88
|
13170
12730
26800
25540
43800
59730
63280
64850
70480
105900
98980
|
KOOTENAI RIVER
Libby Reservoir Inflow, MT (1)
Libby, MT (1)
Leonia, ID (1)
Kootenay Lake Inflow, BC
|
JAN-JUL
APR-SEP
APR-SEP
APR-SEP
APR-SEP
|
6850
7080
7550
8640
17100
|
107
105
105
104
103
|
126
122
124
122
117
|
88
87
85
87
89
|
6396
6772
7207
8275
16650
|
DUNCAN LAKE INFLOW, BC
|
FEB-SEP
APR-SEP
|
2400
2310
|
103
103
|
119
119
|
88
87
|
2319
2238
|
CLARK FORK RIVER
Missoula abv, MT
Missoula blo, MT
St. Regis, MT (1)
Plains nr, MT (1)
Whitehorse Rapids, ID (1)
|
APR-SEP
APR-SEP
APR-SEP
APR-SEP
APR-SEP
|
1330
2420
3260
9880
11100
|
79
78
80
86
86
|
112
104
102
103
104
|
45
53
58
70
68
|
1681
3099
4095
11470
12910
|
BLACKFOOT RIVER
Bonner nr, MT
|
APR-SEP
|
815
|
88
|
120
|
56
|
926
|
BITTERROOT RIVER
Darby nr, MT
at Mouth, MT
|
APR-SEP
APR-SEP
|
420
1090
|
78
77
|
99
116
|
57
38
|
540
1419
|
N. FORK FLATHEAD RIVER
Columbia Falls nr, MT
|
APR-SEP
|
1750
|
95
|
122
|
68
|
1836
|
S. FORK FLATHEAD RIVER
Hungry Horse Res in, MT (1)
|
JAN-JUL
APR-SEP
|
2130
2080
|
94
95
|
113
115
|
75
76
|
2269
2184
|
M. FORK FLATHEAD RIVER
West Glacier nr, MT
|
APR-SEP
|
1630
|
91
|
119
|
64
|
1788
|
FLATHEAD RIVER
Columbia Falls, MT
Flathead Lake Inflow, MT (1)
|
APR-SEP
APR-SEP
|
5630
6500
|
94
94
|
113
112
|
76
75
|
5960
6926 |