Region: global

                                   st56                st57           st57/st56         
                     Prod     mean     stdev      mean     stdev      mean     stdev
                  chlor_a     0.301     0.038     0.319     0.040     1.063     0.021
                  chl_oc3     0.335     0.065     0.354     0.067     1.057     0.019
                  nLw_412     1.686     0.067     1.680     0.067     0.996     0.001
                  nLw_443     1.482     0.044     1.477     0.044     0.997     0.001
                  nLw_490     1.111     0.026     1.114     0.026     1.003     0.001
                  nLw_510     0.692     0.015     0.700     0.015     1.012     0.003
                  nLw_555     0.354     0.011     0.369     0.011     1.041     0.012
                  nLw_670     0.056     0.004     0.058     0.004     1.040     0.011
                 taua_865     0.118     0.005     0.118     0.005     1.001     0.001
                  epsilon     1.050     0.012     1.051     0.012     1.001     0.000
             angstrom_510     0.405     0.075     0.409     0.075     1.010     0.003