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

98
65

123
123

138
145

108
100

80
53

UMATILLA RIVER
Gibbon nr, OR

Pendleton, OR

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

85
92
161
167

116
116
108
108

141
139
134
132

92
94
83
82

73
79
149
155

JOHN DAY RIVER
Service Creek, OR (1)

APR-SEP

640

74

107

41

865

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

APR-JUL
APR-SEP

86
90

70
70

101
100

39
44

123
128

N. F. JOHN DAY RIVER
Monument nr, OR

APR-JUL
APR-SEP

480
495

80
80

597
616

CRESCENT CREEK
Crescent Lake Inflow, OR

APR-SEP

15

72

100

44

21

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

APR-SEP
APR-SEP
APR-SEP

83
425
1710

89
80
88

119

103

59

74

93
528
1941

LITTLE DESCHUTES RIVER
LaPine nr, OR

APR-SEP

64

80

98

63

80

TUMALO CREEK
Bend nr, OR

APR-SEP

42

91

102

80

46

SQUAW CREEK
Sisters nr, OR

APR-SEP

47

96

110

82

49

CROOKED RIVER
Prineville Res Inflow, OR

MAR-JUL

80

43

82

05

184

OCHOCO CREEK
Ochoco Res Inflow, OR

MAR-JUL

11

32

74

-10

35

WHITE RIVER
Tygh Valley blo, OR

APR-SEP

126

102

121

82

124