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

55
45

82
78

109
97

55
59

67
58

EAGLE CREEK
Skull Creek abv, OR

APR-SEP

162

89

105

73

182

IMNAHA RIVER
Imnaha, OR

APR-SEP

270

92

113

72

292

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

APR-JUL
APR-JUL

730
5320

84
89

120
113

48
66

869
5956

LOSTINE RIVER
Lostine nr, OR

APR-SEP

110

92

103

80

120

GRANDE RONDE RIVER
La Grande, OR

Troy, OR (1)

MAR-JUL
APR-SEP
MAR-JUL

178
134
1310

82
78
89

124
105
117

39
51
62

218
172
1471

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

APR-JUL
APR-JUL
APR-SEP

3430
5440
5770

73
71
72

100
95
94

46
48
50

4718
7618
8052

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

APR-JUL
APR-SEP
JAN-JUL

1750
1870
2510

65
65
71

88
87
88

42
43
53

2700
2874
3548