Region: SPG

                                         st89                    st90                   st90/st89
                     Prod       mean       stdev        mean       stdev        mean       stdev         R^2        mapd
                  chlor_a     0.03017     0.01179     0.02970     0.01247     0.97577     0.07874     0.97226     5.80501
                  Rrs_412     0.01816     0.00224     0.01820     0.00227     1.00190     0.00365     0.99933     0.28664
                  Rrs_443     0.01325     0.00127     0.01328     0.00129     1.00195     0.00369     0.99878     0.30833
                  Rrs_490     0.00718     0.00034     0.00719     0.00034     1.00113     0.00428     0.99181     0.24497
                  Rrs_510     0.00358     0.00015     0.00358     0.00015     0.99996     0.00950     0.94944     0.67072
                  Rrs_555     0.00150     0.00010     0.00149     0.00011     0.99338     0.02652     0.88526     1.98995
                  Rrs_670     0.00020     0.00004     0.00020     0.00005     0.99141     0.04405     0.96481     3.08747
                  aot_865     0.06734     0.02139     0.06626     0.02079     0.98670     0.04716     0.97298     2.93659
                 angstrom     0.67669     0.21097     0.66353     0.21138     0.98283     0.10604     0.93885     3.90162
                  epsilon     1.03269     0.02068     1.03187     0.02096     0.99920     0.00265     0.98334     0.13529
                    ozone     0.27657     0.01748     0.27294     0.01874     0.98694     0.02836     0.82638     2.30424
                 pressure  1017.94019     3.73507  1018.01843     3.75057     1.00008     0.00040     0.98794     0.02677
                windspeed     5.63672     1.59075     5.86257     1.51480     1.05169     0.09193     0.93308     5.27000
                 humidity    75.23228     5.31913    74.65611     3.72598     0.99509     0.05558     0.38886     3.93455