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

78
67

116
116

145
142

88
88

67
58

EAGLE CREEK
Skull Creek abv, OR

APR-SEP

225

124

143

104

182

IMNAHA RIVER
Imnaha, OR

APR-SEP

385

132

154

110

292

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

APR-JUL
APR-JUL

1120
7550

129
127

168
156

89
97

869
5956

LOSTINE RIVER
Lostine nr, OR

APR-SEP

148

123

135

112

120

GRANDE RONDE RIVER
La Grande, OR

Troy, OR (1)

MAR-JUL
APR-SEP
MAR-JUL

280
215
2020

128
125
137

172
160
167

85
90
108

218
172
1471

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

APR-JUL
APR-JUL
APR-SEP

5710
9820
10400

121
129
129

154
160
159

88
97
99

4718
7618
8052

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

APR-JUL
APR-SEP
JAN-JUL

3600
3840
4630

133
134
130

168
166
157

99
101
104

2700
2874
3548