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)

GREY'S RIVER
Palisades abv, WY

APR-SEP

410

106

106

106

388

SALT RIVER
Etna nr, WY

APR-JUL
APR-SEP

335
420

105
105

125
122

85
89

319
399

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

APR-SEP
APR-JUL
APR-JUL

790
780
1320

108
115
108

116
131
122

101
97
92

730
678
1219

FALLS RIVER
Squirrel nr, ID (1)

APR-JUL

395

109

124

93

364

TETON RIVER
St. Anthony nr, ID

APR-JUL
APR-SEP

405
505

107
107

120
118

92
96

380
471

BIG LOST RIVER
Mackay Reservoir Inflow, ID

APR-JUL
APR-SEP

174
210

116
115

157
151

74
81

150
182

LITTLE LOST RIVER
Howe nr, ID

APR-SEP

49

114

114

114

43

PORTNEUF RIVER
Topaz, ID

MAR-SEP
APR-SEP

113
97

106
104

106

106

107
93

GOOSE CREEK
Oakley Res Inflow, ID

MAR-SEP

53

147

175

111

36

SALMON FALLS CREEK
San Jacinto nr, NV

MAR-SEP

94

98

135

60

96

BIG WOOD RIVER
Hailey, ID (1)

Magic Reservoir Inflow, ID

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

315
355
385
405

124
124
131
131

156
152
173
173

93
96
86
87

254
286
295
309