Region: global

                        st33                at18           at18/st33         
          Prod     mean     stdev      mean     stdev      mean     stdev
       nLw_412     1.639     0.057     1.633     0.064     0.996     0.020
       nLw_443     1.451     0.037     1.427     0.052     0.983     0.022
       nLw_490     1.086     0.017     1.109     0.028     1.022     0.019
       nLw_510     0.675     0.010     0.473     0.011     0.701     0.017
       nLw_555     0.338     0.009     0.346     0.008     1.025     0.036
       nLw_670     0.044     0.004     0.030     0.002     0.686     0.054
       chlor_a     0.319     0.046     0.304     0.043     0.955     0.055
        eps_78     1.038     0.009     1.038     0.009     0.999     0.004
       tau_865     0.111     0.004     0.114     0.005     1.025     0.032
  angstrom_510     0.338     0.054     0.286     0.040     0.851     0.053