Region: global

                                   sci04m                aci04m          aci04m/sci04         
                     Prod       mean       stdev        mean       stdev        mean       stdev
          chl_oc4,chl_oc3     0.25783     0.02778     0.26591     0.02900     1.03129     0.01796
                   chl_ci     0.26977     0.02884     0.28076     0.03026     1.04068     0.01626