Region: PacN15

                                         vt21                    vt22                   vt22/vt21
                     Prod       mean       stdev        mean       stdev        mean       stdev         R^2        mapd
                  chlor_a     0.05745     0.01404     0.06100     0.01391     1.06698     0.03680     0.98884     5.53933
                  Rrs_410     0.01394     0.00104     0.01348     0.00086     0.96773     0.01845     0.94846     3.44550
                  Rrs_443     0.01067     0.00072     0.01031     0.00061     0.96703     0.01346     0.96870     3.57730
                  Rrs_486     0.00714     0.00027     0.00695     0.00025     0.97395     0.00819     0.95653     3.05355
                  Rrs_551     0.00168     0.00010     0.00167     0.00010     0.99348     0.01172     0.96050     1.30727
                  Rrs_671     0.00019     0.00003     0.00019     0.00003     1.00608     0.01922     0.98082     0.94154
                  aot_862     0.10790     0.01557     0.10669     0.01545     0.98877     0.00692     0.99761     1.07422
                 angstrom     0.51823     0.13628     0.51715     0.13311     1.00386     0.08184     0.90581     7.61511
                  epsilon     1.03251     0.01714     1.03248     0.01666     0.99999     0.00441     0.92942     0.37112