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
|
9740
9300
18700
17800
29100
37400
37800
39400
42700
56500
53200
|
74
73
70
70
66
63
60
61
61
53
54
|
84
83
77
78
76
75
70
71
72
64
65
|
64
63
62
62
56
51
49
50
50
43
43
|
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
|
3640
3740
3960
4550
9860
|
57
55
55
55
59
|
76
73
75
73
73
|
38
38
35
37
45
|
6396
6772
7207
8275
16650
|
DUNCAN LAKE INFLOW, BC
|
FEB-SEP
APR-SEP
|
1770
1700
|
76
76
|
92
92
|
61
60
|
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
|
905
1640
2110
6090
6830
|
54
53
52
53
53
|
87
78
74
70
71
|
20
27
30
37
35
|
1681
3099
4095
11470
12910
|
BLACKFOOT RIVER
Bonner nr, MT
|
APR-SEP
|
445
|
48
|
80
|
16
|
926
|
BITTERROOT RIVER
Darby nr, MT
at Mouth, MT
|
APR-SEP
APR-SEP
|
285
730
|
53
51
|
74
90
|
43
13
|
540
1419
|
N. FORK FLATHEAD RIVER
Columbia Falls nr, MT
|
APR-SEP
|
970
|
53
|
80
|
26
|
1836
|
S. FORK FLATHEAD RIVER
Hungry Horse Res in, MT (1)
|
JAN-JUL
APR-SEP
|
1310
1330
|
58
61
|
77
81
|
39
41
|
2269
2184
|
M. FORK FLATHEAD RIVER
West Glacier nr, MT
|
APR-SEP
|
1080
|
60
|
88
|
33
|
1788
|
FLATHEAD RIVER
Columbia Falls, MT
Flathead Lake Inflow, MT (1)
|
APR-SEP
APR-SEP
|
3460
3890
|
58
56
|
77
75
|
39
38
|
5960
6926 |
