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  1. H2onymous

    Creating a HydroCAD Rainfall file

    Thanks Peter, Let me clarify by reiterating my question. I'm trying to create a rainfall file, I have a working IDF file. I need to create a 24 hr Chicago storm distribution. I was using the file: Sample D 24-hr to create a 24hr Chicago storm based on IDF coefficients. Can I add duratunits to...
  2. H2onymous

    Creating a HydroCAD Rainfall file

    I ran into a problem when trying to create a rainfall file for in HydroCAD v9.10. I want to create a 24 hour Chicago storm using a,b,c coefficients. The formula HydroCAD uses calculates depth = t*a/(b+t)^c. This is depth = time*intensity. The problem is that the a, b,c coeffs I have require t...

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