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

10900
10100
10300

70
70
71

107
111
106

32
29
36

15640
14370
14590

PRIEST RIVER
Priest River, ID (1)

APR-SEP

605

70

108

32

868

KETTLE RIVER
Laurier nr, WA

APR-SEP

1440

78

99

56

1853

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

APR-SEP
APR-SEP

630
2180

78
80

105
112

51
49

809
2720

SPOKANE RIVER
Spokane, WA (1)

APR-SEP

2300

80

144

16

2864

ST. JOE RIVER
Calder, ID

APR-SEP

990

80

105

55

1237

OKANOGAN RIVER
Tonasket nr, WA (1)

APR-SEP

1170

72

131

13

1623

SIMILKAMEEN. RIVER
Nighthawk nr, WA (1)

APR-SEP

1000

71

127

16

1399

METHOW RIVER
Pateros nr, WA (1)

APR-SEP

720

76

131

22

942

STEHEKIN RIVER
Stehekin, WA

APR-SEP

625

76

89

62

827

CHELAN RIVER
Lake Chelan Inflow, WA (1)

APR-SEP

870

75

88

62

1160

WENATCHEE RIVER
Peshastin, WA (1)

APR-SEP

1220

75

112

37

1636