Hydrology Studio IDF File False 3 FHA San Marcos Texas, USA I = B/(Tc + D)^E) Equation Coefficients = B, D, E, n/a 1,49.35769,11.80001,0.7979891,0 1,49.08829,10.2,0.7575657,0 1,0,0,0,0 1,55.93493,9.299999,0.7361122,0 1,55.76874,7.899995,0.6992898,0 1,61.21593,6.999996,0.6765411,0 1,65.18385,6.499996,0.6608137,0 1,65.99117,5.499997,0.6358427,0 Intermediate Intensity Values = 5-min, 15-min, 30-min, 60-min 5.2,3.56,2.51,1.63 6.25,4.24,2.99,1.96 0,0,0,0 7.9,5.31,3.75,2.47 9.34,6.24,4.39,2.92 11.4,7.57,5.32,3.56 13,8.65,6.05,4.07 14.8,9.78,6.82,4.62 25 100 50