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

91
87

53
56

342
419

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

APR-SEP
APR-JUL
APR-JUL

590
535
930

77
73
60

85
89
72

69
57
48

763
734
1559

FALLS RIVER
Squirrel nr, ID (1)

APR-JUL

295

76

91

62

386

TETON RIVER
St. Anthony nr, ID

APR-JUL
APR-SEP

310
370

77
77

91
88

65
66

403
482

BIG LOST RIVER
Mackay Reservoir Inflow, ID

APR-JUL
APR-SEP

94
114

66
66

111
102

22
29

142
173

LITTLE LOST RIVER
Howe nr, ID

APR-SEP

40

75

53

PORTNEUF RIVER
Topaz, ID

MAR-SEP
APR-SEP

65
58

60
61

109
95

GOOSE CREEK
Oakley Res Inflow, ID

MAR-SEP

25

68

103

36

37

SALMON FALLS CREEK
San Jacinto nr, NV

MAR-SEP

73

74

111

38

98

BIG WOOD RIVER
Hailey, ID (1)

Magic Reservoir Inflow, ID

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

183
205
173
182

71
71
59
59

102
99
101
101

41
44
16
16

256
289
291
307