Region: SPG

                                   st52                st55           st55/st52         
                     Prod     mean     stdev      mean     stdev      mean     stdev
                  chlor_a     0.036     0.014     0.036     0.014     1.016     0.056
                  nLw_412     3.152     0.385     3.099     0.378     0.983     0.007
                  nLw_443     2.550     0.241     2.510     0.240     0.984     0.007
                  nLw_490     1.428     0.064     1.411     0.069     0.988     0.009
                  nLw_510     0.721     0.033     0.714     0.037     0.990     0.016
                  nLw_555     0.297     0.025     0.293     0.026     0.988     0.025
                  nLw_670     0.039     0.008     0.038     0.008     0.957     0.037
         tau_865,taua_865     0.127     0.033     0.095     0.025     0.753     0.062
           eps_78,epsilon     1.021     0.019     0.983     0.015     0.963     0.009
             angstrom_510     0.238     0.113     0.146     0.142     0.394     1.020