Region: Deep Water

                                     tt18                  tt19             tt19/tt18         
                     Prod       mean       stdev        mean       stdev        mean       stdev
                  chlor_a     0.14937     0.01297     0.14839     0.01322     0.99332     0.01506
                  Rrs_412     0.01035     0.00050     0.01035     0.00050     0.99969     0.00177
                  Rrs_443     0.00813     0.00030     0.00813     0.00029     0.99955     0.00162
                  Rrs_488     0.00579     0.00015     0.00579     0.00015     0.99952     0.00118
                  Rrs_531     0.00241     0.00006     0.00240     0.00006     0.99745     0.00486
                  Rrs_547     0.00180     0.00006     0.00180     0.00006     0.99632     0.00759
                  Rrs_667     0.00016     0.00002     0.00015     0.00002     0.98719     0.02038
                  Rrs_678     0.00019     0.00001     0.00018     0.00002     0.99406     0.01128
                  aot_869     0.08775     0.00406     0.08931     0.00399     1.01800     0.01353
                 angstrom     0.70666     0.05903     0.71030     0.06050     1.00506     0.01232
                     nflh     0.00724     0.00076     0.00732     0.00077     1.01167     0.01369