elif [ "$var" == "GDD_5degC" -o "$var" == "GDD_10degC" -o \
         "$var" == "GDD_15degC" -o "$var" == "GDD_20degC" ]; then

    inbase=$clim_mac
    isfxs="."
    osfxs=($isfxs)
    pfx=delta
    tags=(abs)