Region: SPG

                                     at41                  at42             at42/at41         
                     Prod       mean       stdev        mean       stdev        mean       stdev
                  chlor_a     0.02294     0.00866     0.02578     0.00938     1.12899     0.01764
                  Rrs_412     0.01801     0.00249     0.01803     0.00250     1.00108     0.00096
                  Rrs_443     0.01334     0.00166     0.01332     0.00167     0.99906     0.00108
                  Rrs_488     0.00748     0.00050     0.00748     0.00051     1.00080     0.00126
                  Rrs_531     0.00220     0.00009     0.00225     0.00009     1.02106     0.00278
                  Rrs_547     0.00155     0.00009     0.00161     0.00009     1.03835     0.00414
                  Rrs_667     0.00011     0.00003     0.00012     0.00003     1.11562     0.08900
                  Rrs_678     0.00012     0.00003     0.00012     0.00003     1.02248     0.04777
                  aot_869     0.08536     0.02564     0.08551     0.02564     1.00190     0.00197
                 angstrom     0.49243     0.22252     0.49212     0.22249     0.99928     0.00084
                      flh     0.00384     0.00164     0.00289     0.00152     0.71649     0.09416