Region: SPG

                                         vt11                    vt12                   vt12/vt11
                     Prod       mean       stdev        mean       stdev        mean       stdev         R^2        mapd
                  chlor_a     0.02252     0.00925     0.02164     0.00906     0.95957     0.03125     0.99600     3.52426
                  Rrs_410     0.01777     0.00315     0.01783     0.00314     1.00319     0.00120     0.99999     0.29437
                  Rrs_443     0.01305     0.00188     0.01310     0.00187     1.00464     0.00190     0.99989     0.43886
                  Rrs_486     0.00756     0.00070     0.00758     0.00069     1.00301     0.00144     0.99987     0.28956
                  Rrs_551     0.00146     0.00011     0.00145     0.00011     0.99150     0.00846     0.98796     0.79692
                  Rrs_671     0.00013     0.00002     0.00012     0.00002     0.97081     0.02477     0.98163     2.86632
                  aot_862     0.07932     0.01929     0.07908     0.01925     0.99702     0.00176     0.99996     0.25320
                 angstrom     0.68354     0.21456     0.68518     0.21434     1.00259     0.00608     0.99965     0.20994