Stream and Station

Most
Probable
Forecast
(1000 AF)

Most
Probable
Forecast
(% of Avg)

Reasonable
Maximum
(% of Avg)

Reasonable
Minimum
(% of Avg)

30 Year
(1971 - 2000)
Avg Runoff
(1000 AF)

GREY'S RIVER
Palisades abv, WY

APR-SEP

285

72

86

58

394

SALT RIVER
Etna nr, WY

APR-JUL
APR-SEP

245
300

72
72

89
86

54
57

342
419

HENRYS FORK
Ashton nr, ID
St. Anthony, ID
Rexburg nr, ID

APR-SEP
APR-JUL
APR-JUL

590
530
925

77
72
59

84
87
71

70
58
48

763
734
1559

FALLS RIVER
Squirrel nr, ID (1)

APR-JUL

290

75

89

62

386

TETON RIVER
St. Anthony nr, ID

APR-JUL
APR-SEP

310
370

77
77

89
87

65
66

403
482

BIG LOST RIVER
Mackay Reservoir Inflow, ID

APR-JUL
APR-SEP

89
108

63
62

105
97

20
28

142
173

LITTLE LOST RIVER
Howe nr, ID

APR-SEP

39

74

53

PORTNEUF RIVER
Topaz, ID

MAR-SEP
APR-SEP

51
44

47
46

109
95

GOOSE CREEK
Oakley Res Inflow, ID

MAR-SEP

22

59

92

27

37

SALMON FALLS CREEK
San Jacinto nr, NV

MAR-SEP

61

62

99

26

98

BIG WOOD RIVER
Hailey, ID (1)

Magic Reservoir Inflow, ID

APR-JUL
APR-SEP
APR-JUL
APR-SEP

137
155
89
94

54
54
31
31

84
80
74
73

24
27
05
05

256
289
291
307