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

33
30

49
52

75
81

23
22

67
58

EAGLE CREEK
Skull Creek abv, OR

APR-SEP

115

63

79

47

182

IMNAHA RIVER
Imnaha, OR

APR-SEP

171

59

87

30

292

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

APR-JUL
APR-JUL

355
2940

41
49

74
68

7
30

869
5956

LOSTINE RIVER
Lostine nr, OR

APR-SEP

78

65

77

53

120

GRANDE RONDE RIVER
La Grande, OR

Troy, OR (1)

MAR-JUL
APR-SEP
MAR-JUL

129
97
920

59
56
63

101
109
90

17
3
35

218
172
1471

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

APR-JUL
APR-JUL
APR-SEP

2670
3920
4140

57
51
51

81
72
71

32
30
32

4718
7618
8052

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

APR-JUL
APR-SEP
JAN-JUL

1440
1530
1790

53
53
50

71
71
65

35
36
36

2700
2874
3548