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WNY-2500056.00_HydroCAD extreme_precip_tables_output (29) 24-hr S1 25-yr Rainfall=3.85" Prepared by Greenman-Pedersen, Inc Printed 12/18/2025 HydroCAD® 10.20-7a s/n 04560 © 2025 HydroCAD Software Solutions LLC Page 36 Time span=0.00-24.00 hrs, dt=0.05 hrs, 481 points Runoff by SCS TR-20 method, UH=SCS, Weighted-CN Reach routing by Dyn-Stor-Ind method - Pond routing by Dyn-Stor-Ind method Subcatchment AEP: Area to Eastern Property Runoff Area=0.090 ac 44.44% Impervious Runoff Depth>2.59" Flow Length=27' Slope=0.0521 '/' Tc=4.1 min CN=88 Runoff=0.38 cfs 0.019 af Subcatchment AQR: Area to Quaker Road Runoff Area=0.130 ac 76.92% Impervious Runoff Depth>3.17" Flow Length=79' Tc=8.0 min CN=94 Runoff=0.55 cfs 0.034 af Subcatchment ASP: Area to Southern Property Runoff Area=0.170 ac 0.00% Impervious Runoff Depth>1.91" Flow Length=135' Slope=0.0138 '/' Tc=25.4 min CN=80 Runoff=0.28 cfs 0.027 af Subcatchment AWP: Area to Western Property Runoff Area=0.300 ac 0.00% Impervious Runoff Depth>1.91" Flow Length=89' Slope=0.0284 '/' Tc=13.6 min CN=80 Runoff=0.64 cfs 0.048 af Link PRE: Pre-Development Inflow=1.46 cfs 0.129 af Primary=1.46 cfs 0.129 af Total Runoff Area = 0.690 ac Runoff Volume = 0.129 af Average Runoff Depth = 2.24" 79.71% Pervious = 0.550 ac 20.29% Impervious = 0.140 ac