Region: SPG

                                   sr2009                  mr04           mr04/sr2009         
                     Prod       mean       stdev        mean       stdev        mean       stdev
                  Rrs_412     0.01746     0.00220     0.01793     0.00271     1.02536     0.05678
                  Rrs_443     0.01281     0.00122     0.01281     0.00179     0.99696     0.06168
                  Rrs_490     0.00700     0.00029     0.00698     0.00064     0.99540     0.06304
                  Rrs_510     0.00349     0.00008     0.00361     0.00020     1.03515     0.06555
          Rrs_555,Rrs_560     0.00144     0.00007     0.00146     0.00008     1.01880     0.08758
                  chlor_a     0.02993     0.01066     0.03555     0.01178     1.20814     0.13981
                  aot_865     0.06342     0.01799     0.07468     0.02471     1.30277     0.61695
                 angstrom     0.54550     0.11749     0.37370     0.21481     0.71437     0.45412