// HydroCAD IDF file // Copyright (c) 2008 HydroCAD Software Solutions LLC // The following name should match the file name, with the // comment used for any additional information. name=FL-DOT Zone 7 comment=Florida DOT Hydrology Handbook, January 2004 // Set parameter units depthunits=inches timeunits=hours duratunits=minutes // Set allowed duration range duration=8 180 // Now define coefficients for each event: // Coef3= a b c d 2 3 // Intensity is given by: I = a + bx + cx + dx // where: x = ln( duration ) event=2-Year coef3= 12.10821 -2.79255 0.02002 0.02053 event=3-Year coef3= 12.43560 -2.56458 -0.06903 0.02787 event=5-Year coef3= 12.51872 -2.17764 -0.19805 0.03849 event=10-Year coef3= 12.49556 -1.67116 -0.34901 0.05017 event=25-Year coef3= 12.92209 -1.11084 -0.55019 0.06666 event=50-Year coef3= 13.29550 -0.70432 -0.70152 0.07933