Region: SPG

                                     ot07                  ot08             ot08/ot07         
                     Prod       mean       stdev        mean       stdev        mean       stdev
                  chlor_a     0.02499     0.00912     0.03997     0.01854     1.55830     0.20402
                  Rrs_412     0.01969     0.00291     0.01952     0.00304     0.99003     0.01172
                  Rrs_443     0.01476     0.00174     0.01450     0.00183     0.98177     0.01234
                  Rrs_490     0.00736     0.00057     0.00778     0.00054     1.05850     0.01602
                  Rrs_516     0.00307     0.00017     0.00320     0.00016     1.04346     0.03473
                  Rrs_565     0.00133     0.00007     0.00153     0.00009     1.14838     0.06703
                  Rrs_667     0.00011     0.00003     0.00017     0.00004     1.69907     0.29374
                  aot_862     0.07444     0.02090     0.06952     0.01716     0.94617     0.06888
                 angstrom     0.02032     0.01951     0.68786     0.22427    68.96390    53.52212