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

69
58

103
100

128
129

78
71

67
58

EAGLE CREEK
Skull Creek abv, OR

APR-SEP

200

110

126

94

182

IMNAHA RIVER
Imnaha, OR

APR-SEP

320

110

139

82

292

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

APR-JUL
APR-JUL

735
5340

85
90

119
109

51
71

869
5956

LOSTINE RIVER
Lostine nr, OR

APR-SEP

123

103

111

95

120

GRANDE RONDE RIVER
La Grande, OR

Troy, OR (1)

MAR-JUL
APR-SEP
MAR-JUL

230
174
1560

106
101
106

147
154
133

63
48
79

218
172
1471

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

APR-JUL
APR-JUL
APR-SEP

4480
7160
7570

95
94
94

119
115
114

71
73
74

4718
7618
8052

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

APR-JUL
APR-SEP
JAN-JUL

2560
2720
3370

95
95
95

113
112
109

77
77
81

2700
2874
3548