Hydrology Studio IDF File False 3 FHA St George Utah, USA I = B/(Tc + D)^E) Equation Coefficients = B, D, E, n/a 1,14.33788,9.099998,0.8438584,0 1,18.94265,9.4,0.850718,0 1,0,0,0,0 1,23.75097,8.899998,0.8367299,0 1,29.06835,8.999998,0.8378583,0 1,42.5504,9.900002,0.8671942,0 1,47.9325,9.5,0.8560474,0 1,54.48821,9.299999,0.8460355,0 Intermediate Intensity Values = 5-min, 15-min, 30-min, 60-min 1.54,0.964,0.65,0.402 1.96,1.24,0.832,0.514 0,0,0,0 2.63,1.65,1.11,0.688 3.19,2.01,1.35,0.837 4.09,2.58,1.74,1.07 4.86,3.06,2.06,1.27 5.75,3.62,2.44,1.51 25 100 50