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WNY-2500056.00_HydroCAD extreme_precip_tables_output (29) 24-hr S1 1-yr Rainfall=1.88" Prepared by Greenman-Pedersen, Inc Printed 12/18/2025 HydroCAD® 10.20-7a s/n 04560 © 2025 HydroCAD Software Solutions LLC Page 12 Hydrograph for Subcatchment AQR: Area to Quaker Road Time Precip. Excess Runoff Time Precip. Excess Runoff Time Precip. Excess Runoff (hours) (inches) (inches) (cfs) (hours) (inches) (inches) (cfs) (hours) (inches) (inches) (cfs) 0.00 0.00 0.00 0.00 9.00 0.28 0.03 0.00 18.00 1.73 1.15 0.00 0.25 0.00 0.00 0.00 9.25 0.29 0.03 0.00 18.25 1.74 1.15 0.00 0.50 0.01 0.00 0.00 9.50 0.31 0.04 0.00 18.50 1.75 1.16 0.00 0.75 0.02 0.00 0.00 9.75 0.32 0.05 0.00 18.75 1.75 1.17 0.00 1.00 0.02 0.00 0.00 10.00 0.34 0.05 0.00 19.00 1.76 1.18 0.00 1.25 0.03 0.00 0.00 10.25 0.36 0.06 0.00 19.25 1.77 1.18 0.00 1.50 0.03 0.00 0.00 10.50 0.38 0.07 0.01 19.50 1.78 1.19 0.00 1.75 0.04 0.00 0.00 10.75 0.41 0.09 0.01 19.75 1.78 1.19 0.00 2.00 0.04 0.00 0.00 11.00 0.44 0.10 0.01 20.00 1.79 1.20 0.00 2.25 0.05 0.00 0.00 11.25 0.47 0.12 0.01 20.25 1.80 1.21 0.00 2.50 0.05 0.00 0.00 11.50 0.52 0.15 0.01 20.50 1.80 1.21 0.00 2.75 0.06 0.00 0.00 11.75 0.64 0.23 0.04 20.75 1.81 1.22 0.00 3.00 0.07 0.00 0.00 12.00 1.05 0.54 0.16 21.00 1.81 1.22 0.00 3.25 0.07 0.00 0.00 12.25 1.26 0.72 0.10 21.25 1.82 1.23 0.00 3.50 0.08 0.00 0.00 12.50 1.37 0.82 0.05 21.50 1.83 1.24 0.00 3.75 0.08 0.00 0.00 12.75 1.41 0.86 0.02 21.75 1.83 1.24 0.00 4.00 0.09 0.00 0.00 13.00 1.45 0.89 0.02 22.00 1.84 1.25 0.00 4.25 0.10 0.00 0.00 13.25 1.48 0.92 0.01 22.25 1.84 1.25 0.00 4.50 0.10 0.00 0.00 13.50 1.50 0.94 0.01 22.50 1.85 1.26 0.00 4.75 0.11 0.00 0.00 13.75 1.52 0.96 0.01 22.75 1.85 1.26 0.00 5.00 0.12 0.00 0.00 14.00 1.54 0.97 0.01 23.00 1.86 1.27 0.00 5.25 0.13 0.00 0.00 14.25 1.56 0.99 0.01 23.25 1.86 1.27 0.00 5.50 0.13 0.00 0.00 14.50 1.58 1.01 0.01 23.50 1.87 1.28 0.00 5.75 0.14 0.00 0.00 14.75 1.59 1.02 0.01 23.75 1.88 1.28 0.00 6.00 0.15 0.00 0.00 15.00 1.61 1.03 0.01 24.00 1.88 1.28 0.00 6.25 0.16 0.00 0.00 15.25 1.62 1.04 0.01 6.50 0.17 0.00 0.00 15.50 1.63 1.06 0.01 6.75 0.18 0.00 0.00 15.75 1.64 1.07 0.01 7.00 0.19 0.00 0.00 16.00 1.66 1.08 0.01 7.25 0.19 0.01 0.00 16.25 1.67 1.09 0.01 7.50 0.20 0.01 0.00 16.50 1.68 1.10 0.00 7.75 0.22 0.01 0.00 16.75 1.69 1.11 0.00 8.00 0.23 0.01 0.00 17.00 1.70 1.11 0.00 8.25 0.24 0.02 0.00 17.25 1.71 1.12 0.00 8.50 0.25 0.02 0.00 17.50 1.71 1.13 0.00 8.75 0.26 0.02 0.00 17.75 1.72 1.14 0.00