Allu

he following total hydrograph was obtained for a 63 acre watershed, and a 3-hour 10 inch precipitation event. The time-base extends from hour 0 to hour 7.

Time (hours) 0 1 2 3 4 5 6 7

Q (cfs) 10 70 130 106 82 58 34 10

What is the depth of the rainfall excess (in)?

What is the rational coefficient C of the watershed?

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