HydroCAD® Stormwater Modeling - Since 1986


TP-40-Rain Event Lookup Table

The TP-40-Rain table (added in HydroCAD 9.1), uses TP-40 rainfall depths in conjunction with the traditional NRCS Type I, IA, II and III rainfall distributions.  Although this table will continue to be supported for studies that require the older TP-40 rainfall data, no future updates are planned, and most projects will presumably be performed with one of the newer event lookup tables.


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