Setting Up Local Rainfall IDF Curves
An overview of the different methods you can use.
Rainfall IDF Curves
How to setup your local rainfall IDF Curves
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Using RainMaps to Localize IDF Curves
This is the easiest way to localize your IDF Curves. -
Video Demonstration Setting Up IDF Curves
This 5-minute video shows how to set up your local IDF Curves. -
Importing IDF Data
Describes how to import IDF data from the latest NOAA Atlas 14. -
Enter Points from Your Existing Curves
Enter points from your existing curves or from NOAA Atlas 14. -
Using Known Equation Coefficients
Directly enter IDF coefficients for two types of equations. -
Create IDF Equation Coefficients
Learn how to create your own equation coefficients to match your rainfall data -
Create Using Rainfall Map Data
Use data from Hydro-35 or NOAA Atlas 2 (not recommended). -
IDF Correction Factors
Cf factors are applied to the Runoff Coefficients when computing peak flows for the Rational Method. -
Modify Your Return Periods
Explains how to customize the default frequencies to match yours.