Richard, "Unpack" the file to obtain the physically meaningful values. You can do this with, e.g., ncpdq -U in.nc out.nc ncunpack in.nc out.nc http://nco.sf.net/nco.html#ncunpack Charlie -- Charlie Zender, Earth System Sci. & Computer Sci. University of California, Irvine 949-891-2429 )'(
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