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)

S.F. WALLA WALLA RIVER
Milton nr, OR

MAR-SEP
APR-JUL

84
56

105
106

123
123

92
89

80
53

UMATILLA RIVER
Gibbon nr, OR

Pendleton, OR

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

78
85
156
161

111
112
111
110

146
143
149
145

77
81
74
71

70
76
141
146

JOHN DAY RIVER
Service Creek, OR (1)

APR-SEP

890

108

162

55

821

M. F. JOHN DAY RIVER
Ritter, OR (1)

APR-JUL
APR-SEP

120
125

103
104

150
149

57
59

116
120

N. F. JOHN DAY RIVER
Monument nr, OR

APR-JUL
APR-SEP

595
615

105
105

139

71

567
585

CRESCENT CREEK
Crescent Lake Inflow, OR

APR-SEP

27

129

168

103

21

DESCHUTES RIVER
Crane Prairie Inflow, OR
Benham Falls, OR
Moody, OR

APR-SEP
APR-SEP
APR-SEP

117
630
2080

133
119
109

152
127
127

114
111
91

88
529
1902

LITTLE DESCHUTES RIVER
LaPine nr, OR

APR-SEP

98

126

153

98

78

TUMALO CREEK
Bend nr, OR

APR-SEP

46

102

129

80

45

SQUAW CREEK
Sisters nr, OR

APR-SEP

50

104

120

89

48

CROOKED RIVER
Prineville Res Inflow, OR

MAR-JUL

191

112

153

64

171

OCHOCO CREEK
Ochoco Res Inflow, OR

MAR-JUL

37

112

159

69

33

WHITE RIVER
Tygh Valley blo, OR

APR-SEP

137

110

131

90

125