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.
Each map shows a color ramp that represents the values of each continuous variable for each group, which includes historical climate (A, B), current climate (C, D) and elevation and topography (E, F).
