Hydrology Studio IDF File False 3 FHA Sec 1 - Northwest IA, USA I = B/(Tc + D)^E) Equation Coefficients = B, D, E, n/a 1,10.36415,0,0.4926691,0 1,12.16057,0,0.4896186,0 1,0,0,0,0 1,15.161,0,0.4873194,0 1,17.80112,0,0.4884707,0 1,21.21487,0,0.4868831,0 1,23.84391,0,0.48636,0 1,26.38476,0,0.484381,0 Intermediate Intensity Values = 5-min, 15-min, 30-min, 60-min 4.69,2.73,1.94,1.25 5.53,3.23,2.3,1.48 0,0,0,0 6.92,4.05,2.89,1.86 8.11,4.74,3.38,2.18 9.69,5.68,4.05,2.64 10.9,6.39,4.56,3.01 12.1,7.11,5.08,3.38 25 100 50