This is recycled information, due entirely to weather patterns. In 2007-8 the snow came back. In 2009 it is dry again. Here's the article from earlier this year with the misleading comparison (2000-2006):
http://www.physorg.com/news10862.html
and the picture from the article:
And a current picture of the mountain (early 2009):
The only thing constant on this planet is change.