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Analysis Results <br />POC 1 <br />OF <br />10E-5 10E-4 10E-3 10E-2 10E-1 1 111 11 i <br />Porcont Timo Exce etling <br />+ Predeveloped <br />Predeveloped Landuse Totals for POC #1 <br />Total Pervious Area: <br />6.78 <br />Total Impervious Area: <br />7.61 <br />Mitigated Landuse Totals <br />for POC #1 <br />Total Pervious Area: <br />6.7 <br />Total Impervious Area: <br />7.69 <br />15.0 7 I Gu Wfive Probability � 1- <br />1.0 <br />+ + 4 34+4*Wi� <br />a1 as <br />0.5 1 2 5 10 ZO 30 50 70 BO 90 95 95 99 99.5 1 <br />x Mitigated <br />Flow Frequency Method: Log Pearson Type III 17B <br />Flow Frequency Return Periods for Predeveloped. POC #1 <br />Return Period <br />Flow(cfs) <br />2 year <br />0.360293 <br />5 year <br />0.720496 <br />10 year <br />1.059033 <br />25 year <br />1.625456 <br />50 year <br />2.164931 <br />100 year <br />2.820297 <br />Flow Frequency Return Periods for Mitigated. POC #1 <br />Return Period <br />Flow(cfs) <br />2 year <br />0.33593 <br />5 year <br />0.650883 <br />10 year <br />0.953704 <br />25 year <br />1.474467 <br />50 year <br />1.984942 <br />100 year <br />2.621592 <br />Annual Peaks <br />Annual Peaks for Predeveloped <br />and Mitigated. POC #1 <br />Year <br />Predeveloped <br />Mitigated <br />1949 <br />0.166 <br />0.181 <br />1950 <br />0.549 <br />0.415 <br />1951 <br />0.164 <br />0.178 <br />1952 <br />0.155 <br />0.167 <br />1953 <br />0.153 <br />0.165 <br />1954 <br />0.283 <br />0.269 <br />1955 <br />1.213 <br />1.019 <br />1956 <br />0.718 <br />0.707 <br />1957 <br />0.632 <br />0.597 <br />1958 <br />0.221 <br />0.189 <br />22723 Orifice Model 2023-07-17 7/17/2023 6:29:20 PM Page 11 <br />