Region: global

                                   st50                st56           st56/st50         
                     Prod     mean     stdev      mean     stdev      mean     stdev
                  chlor_a     0.301     0.039     0.297     0.038     0.988     0.010
                  nLw_412     1.702     0.071     1.684     0.067     0.990     0.009
                  nLw_443     1.498     0.047     1.481     0.045     0.988     0.009
                  nLw_490     1.124     0.025     1.110     0.026     0.988     0.008
                  nLw_510     0.704     0.013     0.691     0.016     0.981     0.012
                  nLw_555     0.363     0.008     0.353     0.012     0.973     0.017
                  nLw_670     0.059     0.002     0.056     0.003     0.946     0.030
         tau_865,taua_865     0.127     0.005     0.116     0.005     0.906     0.011
           eps_78,epsilon     1.040     0.008     1.050     0.012     1.010     0.005
             angstrom_510     0.345     0.053     0.403     0.074     1.164     0.071