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

39
33

58
57

87
84

30
30

67
58

EAGLE CREEK
Skull Creek abv, OR

APR-SEP

117

64

84

45

182

IMNAHA RIVER
Imnaha, OR

APR-SEP

179

61

84

39

292

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

APR-JUL
APR-JUL

455
3360

52
56

92
86

13
27

869
5956

LOSTINE RIVER
Lostine nr, OR

APR-SEP

81

68

80

57

120

GRANDE RONDE RIVER
La Grande, OR

Troy, OR (1)

MAR-JUL
APR-SEP
MAR-JUL

138
112
950

63
65
65

108
100
94

20
30
35

218
172
1471

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

APR-JUL
APR-JUL
APR-SEP

3180
4820
5080

67
63
63

100
95
93

34
32
33

4718
7618
8052

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

APR-JUL
APR-SEP
JAN-JUL

1550
1670
1910

57
58
80

92
90
80

23
26
28

2700
2874
3548