Hydrology Studio IDF File False 3 FHA St Charles Missouri, USA I = B/(Tc + D)^E) Equation Coefficients = B, D, E, n/a 1,9.659257,0,0.4843413,0 1,11.22459,0,0.4804794,0 1,0,0,0,0 1,13.96735,0,0.4810337,0 1,16.21461,0,0.4798843,0 1,19.37057,0,0.4804281,0 1,21.93228,0,0.4817981,0 1,24.29305,0,0.481085,0 Intermediate Intensity Values = 5-min, 15-min, 30-min, 60-min 4.43,2.63,1.86,1.2 5.18,3.09,2.19,1.41 0,0,0,0 6.44,3.83,2.72,1.75 7.49,4.46,3.17,2.04 8.94,5.32,3.78,2.45 10.1,5.99,4.26,2.78 11.2,6.66,4.73,3.11 25 100 50