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

24
21

36
36

61
66

10
7

67
58

EAGLE CREEK
Skull Creek abv, OR

APR-SEP

81

45

61

29

182

IMNAHA RIVER
Imnaha, OR

APR-SEP

155

53

80

25

292

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

APR-JUL
APR-JUL

335
2940

41
49

74
66

8
33

869
5956

LOSTINE RIVER
Lostine nr, OR

APR-SEP

73

61

73

49

120

GRANDE RONDE RIVER
La Grande, OR

Troy, OR (1)

MAR-JUL
APR-SEP
MAR-JUL

131
99
930

60
58
63

101
110
90

19
5
36

218
172
1471

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

APR-JUL
APR-JUL
APR-SEP

3060
4480
4730

65
59
59

87
78
77

43
40
41

4718
7618
8052

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

APR-JUL
APR-SEP
JAN-JUL

1550
1650
1900

57
57
54

73
72
66

41
42
41

2700
2874
3548