NCO's ncpdq (http://nco.sf.net/nco.html#ncpdq) will, by default, pack all floats and doubles in an input file into shorts in the output file: ncpdq in.nc out.nc Coordinates (e.g., lat and lon) will not be packed. Followup as per http://nco.sf.net/nco.html#help. HTH, Charlie -- Charlie Zender, Earth System Sci. & Computer Sci. University of California, Irvine 949-891-2429 )'(
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