Hydrology Studio IDF File False 3 FHA Allentown Pennsylvania, USA I = B/(Tc + D)^E) Equation Coefficients = B, D, E, n/a 1,45.07854,11.80001,0.8687872,0 1,61.00834,13.10001,0.8914222,0 1,0,0,0,0 1,59.28136,12.60001,0.8344239,0 1,61.30775,12.50001,0.8110148,0 1,51.43294,10.7,0.7369537,0 1,46.66906,9.700001,0.6914902,0 1,42.37964,8.499996,0.6479342,0 Intermediate Intensity Values = 5-min, 15-min, 30-min, 60-min 3.89,2.58,1.76,1.1 4.62,3.09,2.13,1.33 0,0,0,0 5.42,3.65,2.59,1.66 6.02,4.05,2.93,1.9 6.76,4.53,3.35,2.23 7.28,4.89,3.66,2.48 7.86,5.23,3.98,2.74 25 100 50