Region: SPG

                                     st77                  at64             at64/st77         
                     Prod       mean       stdev        mean       stdev        mean       stdev
                  chlor_a     0.02455     0.01052     0.02510     0.00945     1.06390     0.22950
                  Rrs_412     0.01831     0.00229     0.01850     0.00240     1.01046     0.02554
                  Rrs_443     0.01329     0.00129     0.01359     0.00155     1.02108     0.02969
          Rrs_490,Rrs_488     0.00708     0.00034     0.00755     0.00050     1.06586     0.03683
          Rrs_510,Rrs_531     0.00346     0.00015     0.00227     0.00009     0.65604     0.03317
          Rrs_555,Rrs_547     0.00139     0.00011     0.00163     0.00008     1.17260     0.10185
          Rrs_670,Rrs_667     0.00018     0.00004     0.00015     0.00003     0.87991     0.22586
          Rrs_670,Rrs_678     0.00018     0.00004     0.00015     0.00003     0.88245     0.21060
          aot_865,aot_869     0.06043     0.01914     0.07573     0.02056     1.35223     0.44817
                 angstrom     0.72267     0.23266     0.70084     0.23027     1.04377     0.40467