Hydrology Studio IDF File False 3 FHA Sec 3 - Northeast IA, USA I = B/(Tc + D)^E) Equation Coefficients = B, D, E, n/a 1,10.28631,0,0.491972,0 1,12.00514,0,0.4884044,0 1,0,0,0,0 1,14.77839,0,0.4859727,0 1,17.09221,0,0.4826756,0 1,20.51683,0,0.4836537,0 1,22.61163,0,0.4766192,0 1,25.61012,0,0.4814651,0 Intermediate Intensity Values = 5-min, 15-min, 30-min, 60-min 4.66,2.77,1.93,1.25 5.47,3.24,2.28,1.47 0,0,0,0 6.76,4.02,2.83,1.85 7.86,4.68,3.31,2.17 9.42,5.6,3.96,2.64 10.5,6.31,4.47,3.01 11.8,7.03,4.98,3.39 25 100 50