Region: SIO

                                     at77                  at78             at78/at77         
                     Prod       mean       stdev        mean       stdev        mean       stdev
                  chlor_a     0.06884     0.02626     0.06881     0.02623     0.99961     0.00319
                  Rrs_412     0.01352     0.00247     0.01352     0.00247     1.00008     0.00111
                  Rrs_443     0.01071     0.00175     0.01071     0.00175     1.00008     0.00078
                  Rrs_469     0.00875     0.00114     0.00875     0.00114     1.00006     0.00073
                  Rrs_488     0.00684     0.00068     0.00684     0.00068     1.00005     0.00089
                  Rrs_531     0.00245     0.00013     0.00244     0.00013     0.99991     0.00136
                  Rrs_547     0.00181     0.00011     0.00181     0.00011     0.99988     0.00194
                  Rrs_555     0.00147     0.00009     0.00147     0.00009     0.99991     0.00268
                  Rrs_645     0.00020     0.00005     0.00020     0.00005     0.99967     0.00799
                  Rrs_667     0.00017     0.00003     0.00017     0.00003     0.99955     0.00324
                  Rrs_678     0.00018     0.00003     0.00018     0.00003     0.99979     0.00216
                  aot_869     0.07095     0.01782     0.07091     0.01785     0.99929     0.00748
                 angstrom     0.81337     0.22764     0.81325     0.22774     0.99981     0.00155