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

68
57

101
98

127
128

76
69

67
58

EAGLE CREEK
Skull Creek abv, OR

APR-SEP

185

102

182

IMNAHA RIVER
Imnaha, OR

APR-SEP

305

104

134

77

292

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

APR-JUL
APR-JUL

720
5300

83
89

116
106

50
72

869
5956

LOSTINE RIVER
Lostine nr, OR

APR-SEP

118

98

120

GRANDE RONDE RIVER
La Grande, OR

Troy, OR (1)

MAR-JUL
APR-SEP
MAR-JUL

185
129
1420

85
75
97

126
128
123

44
23
69

218
172
1471

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

APR-JUL
APR-JUL
APR-SEP

4410
7080
7490

93
93
93

116
112
111

71
74
75

4718
7618
8052

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

APR-JUL
APR-SEP
JAN-JUL

2560
2720
3370

95
95
95

111
110
107

79
80
83

2700
2874
3548