Region: SIO

                                     at63                  at64             at64/at63         
                     Prod       mean       stdev        mean       stdev        mean       stdev
                  chlor_a     0.06841     0.02627     0.06866     0.02605     1.00596     0.02583
                  Rrs_412     0.01353     0.00232     0.01350     0.00228     0.99789     0.00942
                  Rrs_443     0.01074     0.00165     0.01071     0.00163     0.99812     0.00829
                  Rrs_488     0.00690     0.00064     0.00690     0.00064     0.99996     0.00043
                  Rrs_531     0.00245     0.00013     0.00245     0.00012     1.00022     0.00196
                  Rrs_547     0.00181     0.00011     0.00181     0.00011     1.00033     0.00274
                  Rrs_667     0.00017     0.00003     0.00017     0.00003     1.00076     0.00572
                  Rrs_678     0.00018     0.00003     0.00018     0.00003     1.00049     0.00388
                  aot_869     0.07228     0.01721     0.07229     0.01721     1.00012     0.00130
                 angstrom     0.79955     0.21128     0.79965     0.21120     1.00015     0.00127
                     nflh     0.00409     0.00123     0.00409     0.00123     0.99879     0.01023