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
|
13700
13300
30100
28700
48900
65600
71400
73100
81200
119000
110000
|
104
104
112
112
112
110
113
113
115
112
111
|
118
118
122
123
128
128
132
132
135
134
134
|
91
91
102
102
95
92
93
94
95
91
89
|
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
|
6950
7330
7770
9030
18000
|
109
108
108
109
108
|
133
131
132
132
127
|
85
86
84
86
90
|
6396
6772
7207
8275
16650
|
DUNCAN LAKE INFLOW, BC
|
FEB-SEP
APR-SEP
|
2430
2340
|
105
105
|
123
123
|
87
86
|
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
|
1910
3530
4670
12700
14000
|
114
114
114
111
108
|
138
134
154
139
138
|
89
93
74
82
80
|
1681
3099
4095
11470
12910
|
BLACKFOOT RIVER
Bonner nr, MT
|
APR-SEP
|
1070
|
116
|
156
|
77
|
926
|
BITTERROOT RIVER
Darby nr, MT
at Mouth, MT
|
APR-SEP
APR-SEP
|
625
1620
|
116
114
|
142
133
|
89
95
|
540
1419
|
N. FORK FLATHEAD RIVER
Columbia Falls nr, MT
|
APR-SEP
|
2000
|
109
|
125
|
93
|
1836
|
S. FORK FLATHEAD RIVER
Hungry Horse Res in, MT (1)
|
JAN-JUL
APR-SEP
|
2470
2400
|
109
110
|
135
137
|
83
82
|
2269
2184
|
M. FORK FLATHEAD RIVER
West Glacier nr, MT
|
APR-SEP
|
1970
|
110
|
125
|
95
|
1788
|
FLATHEAD RIVER
Columbia Falls, MT
Flathead Lake Inflow, MT (1)
|
APR-SEP
APR-SEP
|
6530
7770
|
110
112
|
133
131
|
86
93
|
5960
6926 |
