Region: SIO

                                     st83                  at63             at63/st83         
                     Prod       mean       stdev        mean       stdev        mean       stdev
                  chlor_a     0.06710     0.02806     0.06573     0.02635     0.98894     0.10647
                  Rrs_412     0.01340     0.00214     0.01360     0.00230     1.01342     0.03536
                  Rrs_443     0.01063     0.00138     0.01080     0.00160     1.01422     0.03198
          Rrs_490,Rrs_488     0.00662     0.00045     0.00693     0.00060     1.04496     0.03186
          Rrs_510,Rrs_531     0.00362     0.00019     0.00243     0.00014     0.67254     0.02755
          Rrs_555,Rrs_547     0.00159     0.00013     0.00179     0.00012     1.13052     0.07633
          Rrs_670,Rrs_667     0.00021     0.00004     0.00016     0.00003     0.80198     0.16808
          Rrs_670,Rrs_678     0.00021     0.00004     0.00017     0.00003     0.82685     0.16697
          aot_865,aot_869     0.05720     0.01731     0.06966     0.01750     1.29660     0.38831
                 angstrom     0.83394     0.24535     0.78961     0.22289     1.02243     0.38924