Region: global

                                     st76                  st81             st81/st76         
                     Prod       mean       stdev        mean       stdev        mean       stdev
                  chlor_a     0.28103     0.03719     0.27919     0.03481     0.99440     0.01188
                  Rrs_412     0.00933     0.00044     0.00940     0.00042     1.00836     0.00972
                  Rrs_443     0.00763     0.00026     0.00770     0.00026     1.00903     0.00651
                  Rrs_490     0.00553     0.00012     0.00558     0.00013     1.00938     0.00193
                  Rrs_510     0.00345     0.00007     0.00349     0.00007     1.01318     0.00274
                  Rrs_555     0.00181     0.00005     0.00185     0.00005     1.01931     0.00413
                  Rrs_670     0.00027     0.00002     0.00028     0.00002     1.04484     0.01454
                  aot_865     0.07339     0.00356     0.07297     0.00372     0.99406     0.00442
                 angstrom     0.74112     0.08158     0.83070     0.08563     1.12229     0.04115