Region: PacS15

                                         vt21                    vt23                   vt23/vt21
                     Prod       mean       stdev        mean       stdev        mean       stdev         R^2        mapd
                  chlor_a     0.05890     0.01407     0.06228     0.01395     1.06105     0.02941     0.99197     5.59694
                  Rrs_410     0.01500     0.00141     0.01456     0.00129     0.97075     0.01892     0.95786     2.90133
                  Rrs_443     0.01087     0.00091     0.01053     0.00082     0.96890     0.01496     0.96914     3.22977
                  Rrs_486     0.00714     0.00036     0.00697     0.00035     0.97603     0.01012     0.95923     2.90248
                  Rrs_551     0.00169     0.00011     0.00168     0.00011     0.99350     0.01515     0.94841     1.54338
                  Rrs_671     0.00020     0.00003     0.00020     0.00003     0.99391     0.03165     0.94881     3.07281
                  aot_862     0.08985     0.01614     0.08951     0.01599     0.99638     0.00581     0.99892     0.30285
                 angstrom     0.56952     0.14635     0.56216     0.14513     0.99064     0.06995     0.92861     5.50042
                  epsilon     1.04047     0.01950     1.03977     0.01953     0.99933     0.00406     0.95328     0.29110