Region: PacN35

                        at18                at21           at21/at18         
          Prod     mean     stdev      mean     stdev      mean     stdev
       nLw_412     1.528     0.510     1.469     0.499     0.959     0.019
       nLw_443     1.397     0.376     1.363     0.372     0.975     0.012
       nLw_490     1.098     0.199     1.077     0.198     0.980     0.008
       nLw_510     0.442     0.064     0.431     0.059     0.977     0.015
       nLw_555     0.312     0.049     0.306     0.046     0.982     0.014
       nLw_670     0.025     0.003     0.023     0.003     0.929     0.037
       chlor_a     0.134     0.055     0.136     0.057     1.014     0.011
        eps_78     1.040     0.036     1.054     0.036     1.013     0.003
       tau_865     0.125     0.029     0.121     0.029     0.967     0.010
  angstrom_510     0.301     0.140     0.365     0.144     1.268     0.149