// 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  3
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= 11.87566 -2.78202 0.02345 0.02058

event=3-Year
coef3= 11.40436 -2.01001 -0.18000 0.03550

event=5-Year
coef3= 11.42451 -1.65788 -0.29070 0.04438

event=10-Year
coef3= 11.51866 -1.25713 -0.41757 0.05430

event=25-Year
coef3= 11.30909 -0.30052 -0.70475 0.07704

event=50-Year
coef3= 12.16856 -0.12834 -0.82217 0.08822