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<br />GRAPHICAL PEAK DISCHARGE METHOD <br /> <br />Version 2.00 <br /> <br />Project <br />County <br />Subtitle: <br /> <br />NW COLLEGE <br />RAMSEY <br />f!~~pr>$B.C> <br /> <br />State: MN <br /> <br />User: j oel <br />Checked: <br /> <br />Date: 08-25-99 <br />Date: <br /> <br />Data: Drainage Area <br />Runoff Curve Number <br />Time of Concentration: <br />Rainfall Type <br />Pond and Swamp Area <br /> <br />3.05 * Acres <br />81 * <br />0.17 Hours <br />II <br />NONE <br /> <br />=====~=====================================~============================= <br /> <br />Storm Number <br /> <br />1 <br /> <br />2 <br /> <br />3 <br /> <br />4 <br /> <br />5 <br /> <br />6 <br /> <br />7 <br /> <br />---------------------- <br /> <br />------ <br /> <br />------ <br /> <br />------ <br /> <br />------ <br /> <br />------ <br /> <br />------ <br /> <br />------ <br /> <br />Frequency (yrs) <br /> <br />1 <br /> <br />2 <br /> <br />5 <br /> <br />10 <br /> <br />25 <br /> <br />50 <br /> <br />100 <br /> <br />24-Hr Rainfall (in) 2.3 2.7 3.5 4.2 4.8 5.3 5.9 <br /> <br />Ia/P Ratio 0.20 0.17 0.13 0.11 0.10 0.09 0.08 <br /> <br />Used 0.20 0.17 0.13 0.11 0.10 0.10 0.10 <br /> <br />Runoff (in) 0.80 1.09 1.71 2.29 2.81 3.25 3.79 <br /> <br />Unit Peak Discharge 1.256 1.280 1.310 1.328 1.337 1.337 1.337 <br />(cfs/acre/in) <br /> <br />Pond and Swamp Factor 1.00 1.00 1.00 1.00 1.00 1.00 1.00 <br />0.0% Ponds Used <br /> <br />---------------------- ------ ------ ------ ------ ------ ------ ------ <br /> <br />Peak Discharge (cfs) 3 4 7 9 11 13 15 <br /> <br />========================================================================= <br /> <br />* - Value(s) provided from TR-55 system routines <br />