Region: SIO

                                     st76                  st81             st81/st76         
                     Prod       mean       stdev        mean       stdev        mean       stdev
                  chlor_a     0.07209     0.02823     0.07258     0.02794     1.01167     0.04236
                  Rrs_412     0.01313     0.00223     0.01318     0.00223     1.00401     0.00873
                  Rrs_443     0.01044     0.00144     0.01048     0.00144     1.00436     0.00734
                  Rrs_490     0.00659     0.00047     0.00662     0.00049     1.00464     0.00762
                  Rrs_510     0.00363     0.00017     0.00366     0.00019     1.00641     0.01353
                  Rrs_555     0.00162     0.00013     0.00163     0.00013     1.00993     0.02469
                  Rrs_670     0.00022     0.00005     0.00022     0.00005     1.01548     0.08222
                  aot_865     0.05973     0.01842     0.05936     0.01861     0.99265     0.02414
                 angstrom     0.61793     0.24251     0.78764     0.24816     1.37933     0.55614