Region: SPG

                                     st74                  at45             at45/st74         
                     Prod       mean       stdev        mean       stdev        mean       stdev
                  chlor_a     0.02836     0.01305     0.02430     0.00859     0.91666     0.22054
                  chl_oc3     0.02758     0.01271     0.02430     0.00859     0.94143     0.22324
                  Rrs_412     0.01815     0.00234     0.01795     0.00233     0.98961     0.03497
                  Rrs_443     0.01325     0.00131     0.01330     0.00159     1.00237     0.03415
          Rrs_490,Rrs_488     0.00714     0.00033     0.00743     0.00050     1.03971     0.03998
          Rrs_510,Rrs_531     0.00354     0.00017     0.00221     0.00011     0.62468     0.03773
          Rrs_555,Rrs_547     0.00146     0.00013     0.00158     0.00010     1.09284     0.11970
          Rrs_670,Rrs_667     0.00020     0.00005     0.00012     0.00003     0.62260     0.19971
          Rrs_670,Rrs_678     0.00020     0.00005     0.00013     0.00003     0.65985     0.19672
          aot_865,aot_869     0.06301     0.01841     0.08029     0.02275     1.36650     0.47383
                 angstrom     0.53302     0.19619     0.46771     0.22552     0.92033     0.41873