Region: SIO

                                     st77                  at63             at63/st77         
                     Prod       mean       stdev        mean       stdev        mean       stdev
                  chlor_a     0.06423     0.02805     0.06575     0.02636     1.04169     0.12206
                  Rrs_412     0.01331     0.00218     0.01360     0.00230     1.02112     0.03087
                  Rrs_443     0.01054     0.00141     0.01080     0.00160     1.02336     0.02881
          Rrs_490,Rrs_488     0.00655     0.00046     0.00693     0.00060     1.05646     0.03121
          Rrs_510,Rrs_531     0.00355     0.00019     0.00243     0.00014     0.68507     0.02808
          Rrs_555,Rrs_547     0.00154     0.00013     0.00179     0.00012     1.16931     0.08018
          Rrs_670,Rrs_667     0.00019     0.00004     0.00016     0.00003     0.88621     0.19715
          Rrs_670,Rrs_678     0.00019     0.00004     0.00017     0.00003     0.91365     0.19643
          aot_865,aot_869     0.05707     0.01732     0.06965     0.01750     1.29993     0.38989
                 angstrom     0.83443     0.24465     0.78964     0.22284     1.02066     0.38644