dset ^salinity_%y4%m2%d2.gr
options big_endian template
undef  -1.e+34
title pentad GODAS
xdef 360 linear 0.5 1.
ydef 139 linear -74. 1.
zdef 32 levels
     5.0   15.0   25.0   35.0   45.0   55.0   65.0   75.0   85.0   95.0
   105.0  115.0  125.0  135.0  145.0  155.0  165.0  175.0  185.0  195.0
   205.0  215.0  225.0  238.5  262.3  303.0  366.8  459.1  584.6  747.2
   949.6  1193.5
tdef 9999 Linear 24jul2004 1dy
*                                                                               
vars 1                                                                       
salt    32   99 temp total                                                     
endvars