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

40
34

60
59

87
86

31
30

67
58

EAGLE CREEK
Skull Creek abv, OR

APR-SEP

132

73

92

53

182

IMNAHA RIVER
Imnaha, OR

APR-SEP

220

75

99

51

292

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

APR-JUL
APR-JUL

550
3990

63
67

106
102

20
32

869
5956

LOSTINE RIVER
Lostine nr, OR

APR-SEP

90

75

88

63

120

GRANDE RONDE RIVER
La Grande, OR

Troy, OR (1)

MAR-JUL
APR-SEP
MAR-JUL

167
134
1160

77
78
79

113
114
118

61
62
40

218
172
1471

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

APR-JUL
APR-JUL
APR-SEP

3490
5440
5740

74
71
71

111
110
108

37
32
34

4718
7618
8052

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

APR-JUL
APR-SEP
JAN-JUL

1800
1930
2290

67
67
65

109
107
97

25
28
32

2700
2874
3548