Region: SPG

                                     st77                  at63             at63/st77         
                     Prod       mean       stdev        mean       stdev        mean       stdev
                  chlor_a     0.02455     0.01052     0.02495     0.00947     1.05630     0.22643
                  Rrs_412     0.01831     0.00229     0.01856     0.00244     1.01345     0.02651
                  Rrs_443     0.01329     0.00129     0.01362     0.00155     1.02343     0.02788
          Rrs_490,Rrs_488     0.00708     0.00034     0.00755     0.00050     1.06615     0.03648
          Rrs_510,Rrs_531     0.00346     0.00015     0.00227     0.00009     0.65621     0.03287
          Rrs_555,Rrs_547     0.00139     0.00011     0.00163     0.00008     1.17287     0.10130
          Rrs_670,Rrs_667     0.00018     0.00004     0.00015     0.00003     0.88043     0.22514
          Rrs_670,Rrs_678     0.00018     0.00004     0.00015     0.00003     0.88337     0.21021
          aot_865,aot_869     0.06043     0.01914     0.07558     0.02041     1.34971     0.44711
                 angstrom     0.72262     0.23266     0.70119     0.22995     1.04431     0.40421