Figure 1.
Total accumulation of growing degree days (CGDD) as a function of day of the year from the beginning of January until mid-June.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.