GDD Calculator
Updated December 2, 2020
The GDD Calculator is a simple spreadsheet that will help you calculate and accumulate Growing Degree Days (GDD) for any base temperature and will also allow you to reset the accumulated degree days once a trigger, or target, number of degree days have been reached.
The spreadsheet is easy to use. You first enter your daily average temperature in either Centigrade (C) or Fahrenheit (F). You do not need to convert units, the spreadsheet will use either C or F.…