Region: global

                        st36                at21           at21/st36         
          Prod     mean     stdev      mean     stdev      mean     stdev
       nLw_412     1.631     0.058     1.572     0.065     0.964     0.019
       nLw_443     1.436     0.043     1.393     0.052     0.970     0.022
       nLw_490     1.074     0.019     1.089     0.028     1.014     0.019
       nLw_510     0.667     0.011     0.464     0.011     0.695     0.017
       nLw_555     0.332     0.009     0.341     0.008     1.028     0.034
       nLw_670     0.047     0.003     0.029     0.002     0.616     0.032
       chlor_a     0.345     0.061     0.334     0.051     0.973     0.079
        eps_78     1.042     0.008     1.053     0.009     1.011     0.003
       tau_865     0.114     0.004     0.110     0.005     0.962     0.030
  angstrom_510     0.352     0.052     0.355     0.042     1.015     0.059