Hydrology Studio IDF File False 3 FHA ElkGrove California, USA I = B/(Tc + D)^E) Equation Coefficients = B, D, E, n/a 1,3.222389,0.7,0.5372116,0 1,3.947917,0.6,0.5373877,0 1,0,0,0,0 1,4.9156,0.5,0.5334206,0 1,5.818756,0.5,0.5327625,0 1,7.049881,0.4,0.5285169,0 1,8.350587,0.5,0.5331694,0 1,9.893361,0.7,0.5394382,0 Intermediate Intensity Values = 5-min, 15-min, 30-min, 60-min 1.27,0.736,0.512,0.355 1.57,0.904,0.628,0.435 0,0,0,0 1.98,1.14,0.794,0.551 2.35,1.36,0.942,0.654 2.9,1.68,1.16,0.807 3.37,1.95,1.35,0.937 3.89,2.25,1.56,1.08 25 100 50