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Table 1. Data from gauging stations on unregulated streams in Clackamas County.

Creek Name River Mile Drainage Area (square mi) Years of record Avg Flow (cfs) Peak Flow (cfs) Multiplier
Nate Creek Tributary 0.9 0.6 5 1.4 32 23.7
Bull Creek 0.43 0.7 14 1.9 250 128.9
Kelly Creek 0 4.7 7 6.8 247 36.2
Johnson Creek 1 16.3 15.4 9 29.7 835 28.1
Johnson Creek 2 10.2 26.8 67 53.2 2,620 49.2
Blazed Alder Creek 3.78 8.2 45 57.4 2,610 45.5
Johnson Creek 3 0.7 53.2 18 76.7 2,170 28.3
Pudding River 1 23.4 314.0 10 808.0 9,500 11.8
Molalla River 6.01 323.0 53 1,140.0 43,600 38.2
Pudding River 2 8.11 479.0 45 1,237.0 43,700 35.3