Region: Mesotrophic Water

                        st31                tt15           tt15/st31         
          Prod     mean     stdev      mean     stdev      mean     stdev
       nLw_412     1.337     0.044     1.258     0.062     0.941     0.030
       nLw_443     1.247     0.031     1.151     0.038     0.923     0.020
       nLw_490     1.033     0.022     0.993     0.025     0.962     0.011
       nLw_510     0.689     0.015     0.468     0.013     0.679     0.009
       nLw_555     0.361     0.010     0.341     0.011     0.944     0.015
       nLw_670     0.050     0.002     0.027     0.002     0.545     0.031
       chlor_a     0.264     0.014     0.236     0.015     0.894     0.041
        eps_78     1.046     0.007     1.053     0.009     1.007     0.010
       tau_865     0.120     0.005     0.117     0.005     0.975     0.030
  angstrom_510     0.384     0.047     0.361     0.042     0.951     0.135