updated reference - Jo

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/ecohydrology@210 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
Previously the precip scale was off the page if precip was in units that made all values less than 1 (since it was rounding to whole numbers).  Fixed, now precip scale should look normal no matter the units. - Jo

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/ecohydrology@211 edb9625f-4e0d-4859-8d74-9fd3b1da38cb