Fig. 1.
Precipitation (P) and mean daily temperatures (T) per 10-day periods from September to April in the years 2009, 2010 and 2011. I=the first ten days of the month, II=the second ten days of the month, and III=the third the days of the month
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.