Region: global

                                     at22                  at20             at20/at22         
                     Prod       mean       stdev        mean       stdev        mean       stdev
                  chlor_a     0.33053     0.04880     0.31919     0.04561     0.96636     0.00807
                  nLw_412     1.61589     0.06778     1.63420     0.06886     1.01133     0.00288
                  nLw_443     1.42686     0.05603     1.43853     0.05692     1.00817     0.00215
                  nLw_488     1.10832     0.03269     1.11213     0.03307     1.00344     0.00109
                  nLw_531     0.47271     0.01290     0.47280     0.01307     1.00017     0.00084
                  nLw_551     0.34628     0.00989     0.34601     0.01000     0.99920     0.00075
                  nLw_667     0.03016     0.00135     0.02948     0.00135     0.97744     0.00116
                  tau_869     0.11287     0.00502     0.11262     0.00501     0.99779     0.00014
                   eps_78     1.05356     0.00805     1.05461     0.00803     1.00100     0.00006
             angstrom_531     0.35743     0.03865     0.36235     0.03876     1.01388     0.00134