Hydrology Studio IDF File False 3 FHA Raleigh North Carolina, USA I = B/(Tc + D)^E) Equation Coefficients = B, D, E, n/a 1,60.67468,12.40001,0.8852248,0 1,68.67802,12.60001,0.8715901,0 1,0,0,0,0 1,73.55323,13.00001,0.8402042,0 1,71.46624,12.40001,0.8034814,0 1,64.00311,11.30001,0.7471831,0 1,57.15756,10.2,0.7004033,0 1,50.2401,8.999998,0.6525773,0 Intermediate Intensity Values = 5-min, 15-min, 30-min, 60-min 4.84,3.22,2.2,1.37 5.64,3.78,2.61,1.64 0,0,0,0 6.49,4.38,3.12,2 7.21,4.86,3.52,2.29 7.96,5.36,3.97,2.64 8.5,5.71,4.3,2.91 8.98,6.01,4.6,3.17 25 100 50