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Table II -1. Flow characteristics for various drainage areas, 2 -year, 24-hour event. <br />WaLershe <br />(Acres)) <br />Average <br />Mrve No. <br />CFS/in <br />Runoff <br />Peak Flow <br />(cfs) <br />Flow Depth <br />(ft) <br />➢oLtun Width <br />(fl) <br />Peak Flow <br />Velocity (fps) <br />Ditch CradienL <br />(7,) <br />v <br />T <br />W <br />10 <br />87 <br />18 <br />4.9 <br />0.33 <br />3.30 <br />4.09 <br />5 <br />20 <br />87 <br />30 <br />8.2 <br />0.40 <br />4.00 <br />4.65 <br />5 <br />40 <br />87 <br />52 <br />14.3 <br />0.49 <br />4.92 <br />5.33 <br />5 <br />60 <br />J 80 <br />65 <br />7.6 <br />0.39 <br />3.89 <br />4.57 <br />5 <br />80 <br />W <br />80 <br />9.3 <br />0.42 <br />4.20 <br />4.80 <br />5 <br />100 <br />! <br />i 80 <br />95 <br />10.9 <br />0.45 <br />4.45 <br />5.02 <br />5 <br />150 <br />75 <br />120 <br />5.8 <br />0.35 <br />3.52 <br />4.25 <br />5 <br />200 <br />75 <br />145 <br />7.0 <br />0.38 <br />3.77 <br />4.49 <br />5 <br />250 <br />75 <br />170 <br />8.2 <br />0.40 <br />4.00 <br />4.65 <br />5 <br />300 <br />75 <br />190 <br />9.1 <br />0.42 <br />4.16 <br />4.80 <br />5 <br />400 <br />75 <br />235 <br />11.3 <br />0.45 <br />4.51 <br />5.03 <br />5 <br />500 <br />�5 <br />275 <br />13.2 <br />0.48 <br />4.78 <br />5.25 <br />5 <br />600 <br />75 <br />310 <br />14.9 <br />0.50 <br />5.01 <br />5.40 <br />5 <br />640 <br />n5 <br />330 <br />15.8 <br />0.51 <br />5.12 <br />5.47 <br />5 <br />.7Wjb 11/86 <br />V <br />m <br />v <br />T <br />W <br />F-, <br />W <br />W <br />- - <br />