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
|
11200
10800
22800
21700
36300
47500
48800
50100
54800
80400
75200
|
85
85
85
85
83
80
77
77
78
76
76
|
105
105
97
97
107
104
106
105
107
104
106
|
65
65
74
73
59
55
49
49
49
48
46
|
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
|
4830
5110
5390
6210
12900
|
76
75
75
75
77
|
110
108
105
108
100
|
41
43
44
42
55
|
6396
6772
7207
8275
16650
|
DUNCAN LAKE INFLOW, BC
|
FEB-SEP
APR-SEP
|
2000
1930
|
86
86
|
106
106
|
67
67
|
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
2580
3360
8400
9280
|
82
83
82
73
72
|
116
115
132
115
114
|
48
52
32
31
30
|
1681
3099
4095
11470
12910
|
BLACKFOOT RIVER
Bonner nr, MT
|
APR-SEP
|
740
|
80
|
110
|
50
|
926
|
BITTERROOT RIVER
Darby nr, MT
at Mouth, MT
|
APR-SEP
APR-SEP
|
455
1190
|
84
84
|
117
114
|
51
54
|
540
1419
|
N. FORK FLATHEAD RIVER
Columbia Falls nr, MT
|
APR-SEP
|
1260
|
69
|
88
|
49
|
1836
|
S. FORK FLATHEAD RIVER
Hungry Horse Res in, MT (1)
|
JAN-JUL
APR-SEP
|
1610
1550
|
71
71
|
107
108
|
35
33
|
2269
2184
|
M. FORK FLATHEAD RIVER
West Glacier nr, MT
|
APR-SEP
|
1250
|
70
|
115
|
25
|
1788
|
FLATHEAD RIVER
Columbia Falls, MT
Flathead Lake Inflow, MT (1)
|
APR-SEP
APR-SEP
|
4150
4810
|
70
69
|
88
92
|
49
48
|
5960
6926 |
