Region: SPG

                                         vt66                    vt72                   vt72/vt66
                     Prod       mean       stdev        mean       stdev        mean       stdev         R^2        mapd
                  chlor_a     0.03311     0.01448     0.03210     0.01408     0.96907     0.00381     0.99991     3.10045
                  Rrs_410     0.01826     0.00287     0.01886     0.00291     1.03391     0.01878     0.98706     3.62821
                  Rrs_443     0.01333     0.00176     0.01349     0.00176     1.01275     0.00278     0.99970     1.23893
                  Rrs_486     0.00768     0.00063     0.00778     0.00063     1.01246     0.00364     0.99824     1.22711
                  Rrs_551     0.00151     0.00007     0.00153     0.00007     1.01007     0.00647     0.97953     1.11700
                  Rrs_671     0.00013     0.00002     0.00014     0.00002     1.01923     0.01236     0.99535     1.62810
                  aot_862     0.08445     0.02200     0.08437     0.02197     0.99906     0.00207     0.99994     0.16883
                 angstrom     0.67876     0.19690     0.68401     0.19733     1.00818     0.00441     0.99981     0.86219