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)

POWDER RIVER
Sumpter nr, OR

MAR-JUL
APR-JUL

60
51

90
88

124
123

55
54

67
58

EAGLE CREEK
Skull Creek abv, OR

APR-SEP

166

91

118

64

182

IMNAHA RIVER
Imnaha, OR

APR-SEP

265

91

118

63

292

SALMON RIVER
Salmon, ID (1)
Whitebird, ID (1)

APR-JUL
APR-JUL

755
5560

87
93

138
133

36
54

869
5956

LOSTINE RIVER
Lostine nr, OR

APR-SEP

113

94

113

75

120

GRANDE RONDE RIVER
La Grande, OR

Troy, OR (1)

MAR-JUL
APR-SEP
MAR-JUL

200
158
1380

92
92
94

142
130
144

42
54
43

218
172
1471

CLEARWATER RIVER
Orofino, ID (1)
Spalding, ID (1)

APR-JUL
APR-JUL
APR-SEP

4710
7790
8230

100
102
102

147
151
149

53
53
56

4718
7618
8052

N.F. CLEARWATER RIVER
Dworshak Res Inflow, ID (1)

APR-JUL
APR-SEP
JAN-JUL

2800
2980
3680

104
104
104

150
147
139

57
60
68

2700
2874
3548