Hydrology Studio IDF File False 3 FHA Gadsden Alabama, USA I = B/(Tc + D)^E) Equation Coefficients = B, D, E, n/a 1,10.81682,0,0.4695997,0 1,12.5015,0,0.4697256,0 1,0,0,0,0 1,15.42135,0,0.469811,0 1,17.92815,0,0.4695815,0 1,21.39178,0,0.466294,0 1,24.38829,0,0.4670924,0 1,27.61152,0,0.4680415,0 Intermediate Intensity Values = 5-min, 15-min, 30-min, 60-min 5.08,3.02,2.19,1.43 5.87,3.5,2.53,1.65 0,0,0,0 7.24,4.3,3.12,2.03 8.42,5.01,3.63,2.36 10.1,6.03,4.38,2.86 11.5,6.86,4.98,3.26 13,7.72,5.62,3.69 25 100 50