The PDS-based Precipitation Chart Simplifier is a Chrome extension developed by derek.sizemore.dev. This free tool aims to simplify the DOM data on the PDS-based precipitation frequency estimates chart provided by the National Weather Service website. Its primary function is to extract and present only the average values from the chart, making it easier for users to copy the data into HEC-HMC and hydrologic spreadsheets.

With its ability to streamline the extraction of average values from the NOAA precipitation charts, the PDS-based Precipitation Chart Simplifier offers a convenient solution for users who frequently work with hydrologic data and spreadsheets. Its ease of use and compatibility with Chrome make it a valuable tool for those in the field of hydrology and related disciplines.