Hydrology Studio IDF File False 3 FHA Lowell Massachusetts, USA I = B/(Tc + D)^E) Equation Coefficients = B, D, E, n/a 1,9.108036,0,0.5382577,0 1,10.84533,0,0.5396962,0 1,0,0,0,0 1,13.60524,0,0.538378,0 1,15.95583,0,0.5391428,0 1,19.10182,0,0.5384482,0 1,21.47575,0,0.5376195,0 1,24.01932,0,0.5382767,0 Intermediate Intensity Values = 5-min, 15-min, 30-min, 60-min 3.83,2.13,1.46,0.929 4.55,2.53,1.73,1.1 0,0,0,0 5.72,3.18,2.18,1.39 6.7,3.72,2.55,1.62 8.03,4.46,3.06,1.95 9.04,5.02,3.45,2.2 10.1,5.6,3.85,2.45 25 100 50