Region: SIO

                                     at78                  at85             at85/at78         
                     Prod       mean       stdev        mean       stdev        mean       stdev
                  chlor_a     0.06857     0.02626     0.06834     0.02661     0.99632     0.05269
                  Rrs_412     0.01360     0.00259     0.01328     0.00234     0.98002     0.05536
                  Rrs_443     0.01075     0.00180     0.01074     0.00172     1.00032     0.03188
                  Rrs_469     0.00877     0.00116     0.00879     0.00113     1.00357     0.02003
                  Rrs_488     0.00686     0.00069     0.00690     0.00068     1.00636     0.01051
                  Rrs_531     0.00245     0.00013     0.00244     0.00013     0.99629     0.01710
                  Rrs_547     0.00181     0.00011     0.00181     0.00011     0.99766     0.02476
                  Rrs_555     0.00147     0.00009     0.00148     0.00009     1.00291     0.01186
                  Rrs_645     0.00020     0.00005     0.00022     0.00005     1.09826     0.03934
                  Rrs_667     0.00017     0.00003     0.00017     0.00003     0.98943     0.04449
                  Rrs_678     0.00018     0.00003     0.00018     0.00003     1.01731     0.03028
                  aot_869     0.07071     0.01779     0.07036     0.01772     0.99503     0.00399
                 angstrom     0.81313     0.22684     0.84175     0.22775     1.03784     0.01764