Stream and Station
|
|
Most
Probable
Forecast
(1000 AF)
|
Most
Probable
Forecast
(% of Avg)
|
Reasonable
Maximum
(% of Avg)
|
Reasonable
Minimum
(% of Avg)
|
30 Year
(1971 - 2000)
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
|
11700
11300
24400
23200
40200
54000
60000
61100
67400
97300
91400
|
90
90
92
92
92
92
95
95
97
91
93
|
101
102
101
102
107
108
112
112
114
107
110
|
79
79
83
83
78
76
79
79
80
74
75
|
12960
12500
26460
25110
43500
58820
62900
63990
69540
107300
98650
|
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
|
5960
6290
6680
7760
15100
|
95
95
93
96
92
|
117
116
114
117
109
|
72
74
71
74
75
|
6306
6638
7207
8125
16450
|
DUNCAN LAKE INFLOW, BC
|
FEB-SEP
APR-SEP
|
2240
2180
|
97
98
|
115
115
|
80
80
|
2305
2227
|
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
|
1280
2400
3400
9850
11000
|
80
81
87
89
88
|
106
102
123
114
114
|
55
60
51
64
63
|
1595
2962
3907
11060
12460
|
BLACKFOOT RIVER
Bonner nr, MT
|
APR-SEP
|
765
|
86
|
114
|
58
|
892
|
BITTERROOT RIVER
Darby nr, MT
at Mouth, MT
|
APR-SEP
APR-SEP
|
420
1130
|
82
83
|
107
100
|
56
66
|
514
1364
|
N. FORK FLATHEAD RIVER
Columbia Falls nr, MT
|
APR-SEP
|
1640
|
91
|
123
|
59
|
1801
|
S. FORK FLATHEAD RIVER
Hungry Horse Res in, MT (1)
|
JAN-JUL
APR-SEP
|
2000
1910
|
90
90
|
113
115
|
66
65
|
2224
2124
|
M. FORK FLATHEAD RIVER
West Glacier nr, MT
|
APR-SEP
|
1550
|
89
|
123
|
55
|
1740
|
FLATHEAD RIVER
Columbia Falls, MT
Flathead Lake Inflow, MT (1)
|
APR-SEP
APR-SEP
|
5260
6100
|
90
91
|
106
109
|
77
73
|
5825
6713 |