DSET ^zg_monthly.nc
DTYPE netcdf
TITLE DATA UKMET
UNDEF 9.999E+20
XDEF 192 LINEAR 0.0 1.875
YDEF 144 LINEAR -90.0 1.25
TDEF 360 LINEAR 00Z16JAN1984 1mo
ZDEF 18 LEVELS 3 10 20 30 50 70 100 150 200 250 300 400 500 700 775 850 925 1000
VARS 1
zg=>zg 0 t,z,y,x var
ENDVARS