Region: global

                        st31                st33           st33/st31         
          Prod     mean     stdev      mean     stdev      mean     stdev
       nLw_412     1.707     0.065     1.674     0.060     0.980     0.004
       nLw_443     1.509     0.046     1.474     0.041     0.977     0.004
       nLw_490     1.137     0.022     1.105     0.018     0.972     0.005
       nLw_510     0.717     0.012     0.684     0.009     0.954     0.008
       nLw_555     0.370     0.007     0.342     0.008     0.924     0.013
       nLw_670     0.058     0.002     0.046     0.004     0.792     0.042
       chlor_a     0.292     0.033     0.289     0.036     0.989     0.017
        eps_78     1.038     0.007     1.031     0.008     0.994     0.004
       tau_865     0.126     0.005     0.124     0.005     0.982     0.004
  angstrom_510     0.333     0.046     0.297     0.043     0.892     0.055