Precip Extraction

mars << EOF
retrieve,
        stream=sfmm,
        system=2,
        method=1,
        number=0/to/40,
        time=00,
        levtype=sfc,
        expver=1,
        param=228,
        fcmonth=1/2/3/4/5/6,
        class=od,
        date=19871101/19881101/19891101/19901101/19911101/19921101/19931101/
19941101/19951101/19961101/19971101/19981101/19991101/20001101/20011101,
        type=fcmean,
    TARGET="$SCRATCH/surface_228_1987_2001_11start_em[number].grib"
EOF