Region: PacEqu

                        st20                st21           st21/st20         
          Prod     mean     stdev      mean     stdev      mean     stdev
       nLw_412     1.645     0.165     1.567     0.164     0.952     0.004
       nLw_443     1.410     0.116     1.307     0.114     0.926     0.005
       nLw_490     1.102     0.044     1.033     0.043     0.938     0.003
       nLw_510     0.678     0.016     0.660     0.016     0.974     0.001
       nLw_555     0.335     0.017     0.349     0.017     1.039     0.002
       nLw_670     0.045     0.006     0.044     0.006     0.977     0.003
       chlor_a     0.151     0.023     0.182     0.029     1.203     0.009
        eps_78     1.016     0.011     1.016     0.011     1.000     0.000
       tau_865     0.156     0.024     0.156     0.024     1.001     0.001
  angstrom_510     0.193     0.060     0.194     0.060     1.005     0.002