Hydrology Studio IDF File False 3 FHA Elgin Illinois, USA I = B/(Tc + D)^E) Equation Coefficients = B, D, E, n/a 1,50.02788,9.800001,0.8766559,0 1,58.85838,10.2,0.877732,0 1,0,0,0,0 1,55.87252,9.4,0.8237118,0 1,57.25472,8.699997,0.7906882,0 1,54.51659,7.699995,0.7419093,0 1,51.84423,6.599996,0.6994163,0 1,49.33772,5.699997,0.6612238,0 Intermediate Intensity Values = 5-min, 15-min, 30-min, 60-min 4.72,2.99,1.98,1.21 5.41,3.44,2.3,1.41 0,0,0,0 6.22,3.95,2.71,1.7 7.24,4.58,3.18,2.02 8.29,5.22,3.69,2.39 9.35,5.84,4.18,2.75 10.3,6.43,4.64,3.1 25 100 50