Stream and Station

Most
Probable
Forecast
(1000 AF)

Most
Probable
Forecast
(% of Avg)

Reasonable
Maximum
(% of Avg)

Reasonable
Minimum
(% of Avg)

30 Year
(1971 - 2000)
Avg Runoff
(1000 AF)

POWDER RIVER
Sumpter nr, OR

MAR-JUL
APR-JUL

51
45

73
78

97
107

49
48

70
58

EAGLE CREEK
Skull Creek abv, OR

APR-SEP

147

80

183

IMNAHA RIVER
Imnaha, OR

APR-SEP

260

89

116

61

293

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

APR-JUL
APR-JUL

615
4770

72
82

105
98

39
64

857
5851

LOSTINE RIVER
Lostine nr, OR

APR-SEP

107

88

121

GRANDE RONDE RIVER
La Grande, OR

Troy, OR (1)

MAR-JUL
APR-SEP
MAR-JUL

176
150
1410

71
79
89

106
126
115

35
32
65

249
190
1578

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

APR-JUL
APR-JUL
APR-SEP

4950
7910
8320

107
106
106

129
126
125

84
87
87

4645
7435
7849

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

APR-JUL
APR-SEP
JAN-JUL

3050
3230
3700

115
115
104

132
131
117

99
100
92

2644
2803
3547