Region: global

                                     st77                  at63             at63/st77         
                     Prod       mean       stdev        mean       stdev        mean       stdev
                  chlor_a     0.30359     0.04370     0.33966     0.04768     1.12110     0.06314
                  Rrs_412     0.00915     0.00045     0.00926     0.00056     1.01180     0.02850
                  Rrs_443     0.00750     0.00026     0.00754     0.00032     1.00549     0.01727
          Rrs_490,Rrs_488     0.00542     0.00011     0.00559     0.00013     1.03011     0.01146
          Rrs_510,Rrs_531     0.00338     0.00006     0.00253     0.00006     0.74651     0.01446
          Rrs_555,Rrs_547     0.00178     0.00004     0.00196     0.00005     1.09949     0.02943
          Rrs_670,Rrs_667     0.00026     0.00002     0.00022     0.00001     0.85727     0.06105
          Rrs_670,Rrs_678     0.00026     0.00002     0.00024     0.00001     0.93338     0.06182
          aot_865,aot_869     0.06641     0.00352     0.08228     0.00403     1.24042     0.05554
                 angstrom     0.91729     0.09252     0.84917     0.05683     0.93213     0.08301