Hydrology Studio IDF File False 3 FHA Severn Maryland, USA I = B/(Tc + D)^E) Equation Coefficients = B, D, E, n/a 1,46.38931,11.70001,0.8593475,0 1,67.72437,13.50002,0.8977229,0 1,0,0,0,0 1,64.38881,12.70001,0.8332545,0 1,64.80724,12.40001,0.8019821,0 1,59.72523,11.30001,0.7475207,0 1,54.74343,10.3,0.7024658,0 1,47.9561,8.899998,0.6493815,0 Intermediate Intensity Values = 5-min, 15-min, 30-min, 60-min 4.13,2.75,1.88,1.18 4.94,3.31,2.29,1.43 0,0,0,0 5.88,3.97,2.82,1.81 6.56,4.43,3.21,2.09 7.42,5,3.7,2.46 8.06,5.42,4.08,2.76 8.69,5.81,4.45,3.07 25 100 50