Hydrology Studio IDF File False 3 FHA Sec 4 - West Central IA, USA I = B/(Tc + D)^E) Equation Coefficients = B, D, E, n/a 1,9.594137,0,0.4745532,0 1,11.39664,0,0.4757012,0 1,0,0,0,0 1,14.22664,0,0.4706591,0 1,16.81036,0,0.4707652,0 1,20.46756,0,0.4684603,0 1,23.25549,0,0.4651599,0 1,26.47845,0,0.4663756,0 Intermediate Intensity Values = 5-min, 15-min, 30-min, 60-min 4.47,2.66,1.91,1.24 5.3,3.14,2.26,1.48 0,0,0,0 6.67,3.96,2.87,1.89 7.88,4.69,3.39,2.26 9.63,5.74,4.16,2.81 11,6.58,4.78,3.28 12.5,7.46,5.42,3.77 25 100 50