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
13100
29000
27600
46600
60900
65800
67700
73800
105000
98200
|
104
103
108
108
106
102
104
104
105
99
99
|
114
114
116
116
118
116
117
118
128
112
113
|
94
93
100
100
94
88
90
91
91
86
85
|
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
|
7030
7290
7770
8760
16800
|
110
108
108
106
101
|
130
127
128
124
117
|
90
88
88
87
85
|
6396
6772
7207
8275
16650
|
DUNCAN LAKE INFLOW, BC
|
FEB-SEP
APR-SEP
|
2420
2330
|
104
104
|
120
121
|
88
88
|
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
|
1380
2570
3460
10200
11400
|
82
83
84
89
88
|
103
100
111
109
108
|
61
66
58
69
68
|
1681
3099
4095
11470
12910
|
BLACKFOOT RIVER
Bonner nr, MT
|
APR-SEP
|
855
|
92
|
116
|
68
|
926
|
BITTERROOT RIVER
Darby nr, MT
at Mouth, MT
|
APR-SEP
APR-SEP
|
455
1180
|
84
83
|
105
99
|
63
68
|
540
1419
|
N. FORK FLATHEAD RIVER
Columbia Falls nr, MT
|
APR-SEP
|
1740
|
95
|
110
|
80
|
1836
|
S. FORK FLATHEAD RIVER
Hungry Horse Res in, MT (1)
|
JAN-JUL
APR-SEP
|
2140
2090
|
94
96
|
114
116
|
75
76
|
2269
2184
|
M. FORK FLATHEAD RIVER
West Glacier nr, MT
|
APR-SEP
|
1650
|
92
|
121
|
63
|
1788
|
FLATHEAD RIVER
Columbia Falls, MT
Flathead Lake Inflow, MT (1)
|
APR-SEP
APR-SEP
|
5650
6530
|
95
94
|
111
114
|
78
78
|
5960
6926 |
