In Simulation toolbar, click the Engine Options button.
In the pop-up SWMM Engine window, click the Time Step tab. Set Reporting time step as 5 min.
Click the Run button in the Simulation toolbar.
In the pop-up Batch Run window, click the 
button to add a run, change the run Name as “RainData” and set up run as below.
Click the 
button in the Settings column of the Batch Run window. In the pop-up window of run options, make sure the settings be the same as below and click OK.
Click the Run button on the Batch Run window to run the model. A successful message will show after the run is completed. Click OK to close the message.
It is a good modeling practice to save your project from time to time. Click the Save Project button in the Home tab to save your project.
