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)

PEND OREILLE RIVER
Pend Oreille Lake In, ID

Box Canyon blo, WA

JAN-JUL
APR-SEP
APR-SEP

16900
15600
15800

108
109
108

135
137
135

81
79
83

15640
14370
14590

PRIEST RIVER
Priest River, ID (1)

APR-SEP

905

104

138

70

868

KETTLE RIVER
Laurier nr, WA

APR-SEP

2370

128

148

108

1853

COEUR d' ALENE RIVER
Enaville, ID (1)
Coeur d' Alene Lake Inflow,ID

APR-SEP
APR-SEP

960
3210

119
118

144
160

94
76

809
2720

SPOKANE RIVER
Spokane, WA (1)

APR-SEP

3450

120

175

66

2864

ST. JOE RIVER
Calder, ID

APR-SEP

1460

118

137

99

1237

OKANOGAN RIVER
Tonasket nr, WA (1)

APR-SEP

2010

124

173

74

1623

SIMILKAMEEN. RIVER
Nighthawk nr, WA (1)

APR-SEP

1730

124

166

82

1399

METHOW RIVER
Pateros nr, WA (1)

APR-SEP

1300

138

182

94

942

STEHEKIN RIVER
Stehekin, WA

APR-SEP

1050

127

141

113

827

CHELAN RIVER
Lake Chelan Inflow, WA (1)

APR-SEP

1440

124

140

109

1160

WENATCHEE RIVER
Peshastin, WA (1)

APR-SEP

2060

126

161

90

1636