Hydrology Studio IDF File False 3 FHA Waltham Massachusetts, USA I = B/(Tc + D)^E) Equation Coefficients = B, D, E, n/a 1,8.698853,0,0.5413116,0 1,10.74295,0,0.5420507,0 1,0,0,0,0 1,14.04764,0,0.541119,0 1,16.72797,0,0.539517,0 1,20.49825,0,0.5396775,0 1,23.30334,0,0.5394785,0 1,26.12087,0,0.5373549,0 Intermediate Intensity Values = 5-min, 15-min, 30-min, 60-min 3.64,2.02,1.38,0.872 4.49,2.49,1.7,1.08 0,0,0,0 5.88,3.26,2.23,1.42 7.02,3.9,2.67,1.69 8.6,4.78,3.27,2.08 9.78,5.44,3.72,2.36 11,6.14,4.2,2.67 25 100 50