Hydrology Studio IDF File False 3 FHA Quincy Illinois, USA I = B/(Tc + D)^E) Equation Coefficients = B, D, E, n/a 1,51.01093,9.700001,0.8757666,0 1,62.42635,10.2,0.8754581,0 1,0,0,0,0 1,61.18576,9.299999,0.8204278,0 1,62.50296,8.799997,0.7942153,0 1,55.84146,7.399995,0.7320754,0 1,52.92013,6.499996,0.6952161,0 1,50.30675,5.699997,0.6612908,0 Intermediate Intensity Values = 5-min, 15-min, 30-min, 60-min 4.85,3.08,2.03,1.24 5.77,3.68,2.46,1.51 0,0,0,0 6.91,4.39,3.01,1.89 7.78,4.92,3.42,2.17 8.86,5.58,3.94,2.56 9.71,6.07,4.34,2.86 10.5,6.56,4.73,3.16 25 100 50