Hydrology Studio IDF File False 3 FHA Grand Island Nebraska, USA I = B/(Tc + D)^E) Equation Coefficients = B, D, E, n/a 1,9.047866,0,0.4651163,0 1,10.77265,0,0.467057,0 1,0,0,0,0 1,13.61195,0,0.4659849,0 1,16.11875,0,0.4663242,0 1,19.82791,0,0.4677311,0 1,22.66345,0,0.4663178,0 1,25.93069,0,0.4684812,0 Intermediate Intensity Values = 5-min, 15-min, 30-min, 60-min 4.28,2.55,1.86,1.21 5.08,3.02,2.2,1.43 0,0,0,0 6.43,3.83,2.79,1.81 7.61,4.53,3.3,2.15 9.34,5.56,4.04,2.65 10.7,6.39,4.64,3.07 12.2,7.26,5.27,3.5 25 100 50