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)

S.F. WALLA WALLA RIVER
Milton nr, OR

MAR-SEP
APR-JUL

79
53

99
100

116
117

84
85

80
53

UMATILLA RIVER
Gibbon nr, OR

Pendleton, OR

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

76
82
149
159

104
104
100
103

137
133
134
138

71
74
65
67

73
79
149
155

JOHN DAY RIVER
Service Creek, OR (1)

APR-SEP

755

87

138

36

865

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

APR-JUL
APR-SEP

107
111

87
87

131
129

43
45

123
128

N. F. JOHN DAY RIVER
Monument nr, OR

APR-JUL
APR-SEP

505
520

85
84

118
117

53
52

597
616

CRESCENT CREEK
Crescent Lake Inflow, OR

APR-SEP

18

86

117

55

21

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

APR-SEP
APR-SEP
APR-SEP

88
480
1840

95
91
95

112
99
112

77
83
77

93
528
1941

LITTLE DESCHUTES RIVER
LaPine nr, OR

APR-SEP

74

93

120

65

80

TUMALO CREEK
Bend nr, OR

APR-SEP

49

107

130

83

46

SQUAW CREEK
Sisters nr, OR

APR-SEP

53

108

123

93

49

CROOKED RIVER
Prineville Res Inflow, OR

MAR-JUL

165

90

130

58

184

OCHOCO CREEK
Ochoco Res Inflow, OR

MAR-JUL

33

94

130

59

35

WHITE RIVER
Tygh Valley blo, OR

APR-SEP

142

115

135

94

124