Growing Degree Day Explorer

This tool enables users to explore daily growing degree day (GDD) accumulations for locations in North Carolina based on high-resolution gridded data (learn more), which enables to the tool to provide localized information for all places in North Carolina. To obtain GDD accumulations for individual stations, visit our Cardinal and Station Scout tools. This tool requires users to submit a location, start and end dates, and a base temperature. Optional inputs include the ability to plot a comparison GDD time series (such as with different start and end dates or a different base temperature) and to plot comparison lines for historic years.

**April 2023 Update: The Google map is not showing on some browsers, but address searches and location entries continue to work. We apologize for the inconvenience and are working to get the map showing again swiftly.**