This is only a summary of the available variables.  In total, there are  <a href="http://dss.ucar.edu/datasets/ds118.0/docs/parms.ds118.0.html"><b>55</b></a> variables.
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 This dataset also contains several <b>Invariant</b> Surface Fields, including low and high vegitation type and cover, surface geopotenital, land-sea mask, orography and surface roughness.
 Click <a href="http://dss.ucar.edu/datasets/ds118.0/docs/invariants.html">here for a list </a>of all invariant fields and their units