Region: SPG

                                   sci04m                aci04m          aci04m/sci04         
                     Prod       mean       stdev        mean       stdev        mean       stdev
          chl_oc4,chl_oc3     0.02777     0.01045     0.02691     0.00966     0.98128     0.10553
                   chl_ci     0.04065     0.01230     0.03985     0.01382     0.96915     0.06183