Region: SIO

                                     at78                  at83             at83/at78         
                     Prod       mean       stdev        mean       stdev        mean       stdev
                  chlor_a     0.06856     0.02626     0.06876     0.02655     1.00456     0.05766
                  Rrs_412     0.01360     0.00259     0.01330     0.00234     0.98158     0.05551
                  Rrs_443     0.01075     0.00180     0.01076     0.00173     1.00173     0.03192
                  Rrs_469     0.00877     0.00116     0.00880     0.00113     1.00444     0.02036
                  Rrs_488     0.00686     0.00069     0.00689     0.00068     1.00558     0.01027
                  Rrs_531     0.00245     0.00013     0.00244     0.00013     0.99826     0.01272
                  Rrs_547     0.00181     0.00011     0.00182     0.00011     1.00256     0.01676
                  Rrs_555     0.00147     0.00009     0.00147     0.00009     0.99944     0.01211
                  Rrs_645     0.00020     0.00005     0.00022     0.00005     1.08344     0.03637
                  Rrs_667     0.00017     0.00003     0.00017     0.00003     0.98714     0.02429
                  Rrs_678     0.00018     0.00003     0.00018     0.00003     1.01932     0.01888
                  aot_869     0.07072     0.01781     0.07037     0.01775     0.99503     0.00372
                 angstrom     0.81307     0.22686     0.84165     0.22774     1.03780     0.01763