Region: SIO

                                     at39                  at40             at40/at39         
                     Prod       mean       stdev        mean       stdev        mean       stdev
                  chlor_a     0.06345     0.02325     0.06410     0.02336     1.01082     0.01034
                  Rrs_412     0.01302     0.00214     0.01307     0.00211     1.00416     0.00669
                  Rrs_443     0.01038     0.00158     0.01041     0.00155     1.00342     0.00587
                  Rrs_488     0.00676     0.00060     0.00678     0.00058     1.00299     0.00543
                  Rrs_531     0.00234     0.00014     0.00235     0.00014     1.00711     0.01006
                  Rrs_547     0.00169     0.00014     0.00171     0.00013     1.00952     0.01179
                  Rrs_667     0.00013     0.00003     0.00013     0.00003     1.00434     0.04545
                  Rrs_678     0.00015     0.00004     0.00015     0.00004     0.98327     0.03906
                 taua_869     0.07400     0.01829     0.07463     0.01793     1.01020     0.01848
                 angstrom     0.59983     0.21491     0.58370     0.21322     0.97049     0.04219