HydroCAD® Stormwater Modeling - Since 1986
Frequently Asked Questions Rainfall settings screen Rainfall setup options Manual event setup Event lookup tables Standard rainfall distributions Sample rainfall files Understanding the rainfall duration Precipitation frequency data NOAA NRCC Synthetic rainfall generation How to use Atlas 14 Unit Hydrographs P2 Rainfall Depth
All about IDF files
Rational runoff calculations
Precipitation frequency data (NOAA, NRCC, etc)