Region: Oligotrophic Water

                        at18                at20           at20/at18         
          Prod     mean     stdev      mean     stdev      mean     stdev
       nLw_412     2.466     0.118     2.384     0.117     0.967     0.005
       nLw_443     2.011     0.090     1.938     0.090     0.964     0.003
       nLw_490     1.332     0.036     1.291     0.036     0.969     0.002
       nLw_510     0.432     0.012     0.414     0.012     0.959     0.002
       nLw_555     0.294     0.009     0.275     0.009     0.934     0.003
       nLw_670     0.021     0.001     0.018     0.001     0.877     0.006
       chlor_a     0.056     0.005     0.053     0.005     0.940     0.006
        eps_78     1.024     0.012     1.028     0.012     1.004     0.000
       tau_865     0.111     0.007     0.110     0.007     0.992     0.001
  angstrom_510     0.215     0.046     0.230     0.046     1.072     0.013