Region: SPG

                                     at22                  at20             at20/at22         
                     Prod       mean       stdev        mean       stdev        mean       stdev
                  chlor_a     0.02645     0.00798     0.02601     0.00786     0.98318     0.00341
                  nLw_412     3.15088     0.43731     3.17003     0.43567     1.00627     0.00398
                  nLw_443     2.46827     0.29808     2.47975     0.29773     1.00474     0.00318
                  nLw_488     1.44140     0.09367     1.44510     0.09342     1.00259     0.00203
                  nLw_531     0.40582     0.02491     0.40583     0.02490     1.00002     0.00223
                  nLw_551     0.27302     0.01950     0.27277     0.01952     0.99909     0.00212
                  nLw_667     0.01736     0.00341     0.01676     0.00339     0.96426     0.00821
                  tau_869     0.11403     0.03664     0.11375     0.03655     0.99748     0.00069
                   eps_78     1.02858     0.02733     1.02972     0.02731     1.00111     0.00036
             angstrom_531     0.24869     0.10326     0.25354     0.10370     1.02237     0.01083