When using today's remote data, (optionally) download yesterday's data as well, so we can have a full 24 hour record.
When using today's remote data, (optionally) download yesterday's data as well, so we can have a full 24 hour record.

git-svn-id: acf0ef94bfce630b1a882387fc03ab8593ec6522@84 150532fb-1d5b-0410-a8ab-efec50f980d4

dopplershift/MetPy,Unidata/MetPy,Unidata/MetPy,ShawnMurd/MetPy,ahaberlie/MetPy,jrleeman/MetPy,deeplycloudy/MetPy,ahaberlie/MetPy,jrleeman/MetPy,ahill818/MetPy,dopplershift/MetPy