HEC-RPT progressed from an idea to a functional software tool in less than 8 months.  This rapid development was made possible in part by the integration of several components already developed for other HEC software, including plotting windows and a database interface from HEC-DSSVue (USACE 2023) and an interface for scripting with time series from HEC-ResSim (USACE 2021).  Without these components, HEC-RPT development would have been a more difficult process.