DSET   ^cobe-sic2_1x1_%y4.grb2
INDEX  ^cobe-sic2_1x1.idx
OPTIONS TEMPLATE
DTYPE GRIB2
UNDEF  -999999.
TITLE Ice
XDEF 360 LINEAR    0.5 1
YDEF 180 LINEAR  -89.5 1
zdef   1 levels   1 1
TDEF  1826 LINEAR  15dec1948 1mo
VARS   1
i      0,160  255,0,91     SIC
ENDVARS