dset ^sst-clm7100.grb index ^sst-clm7100.idx undef 9.999E+20 title COBE-SST 1971-2000 monthly normal and standard deviation dtype grib 255 ydef 180 linear -89.500000 1.000000 xdef 360 linear 0.500000 1.000000 tdef 12 linear 00Z15jan1970 1mo zdef 1 linear 1 1 vars 2 tclm 0 80,160,0 ** monthly normal tstd 0 166,160,0 ** monthly standard deviation ENDVARS