Region: global

                        at20                at30           at30/at20         
          Prod     mean     stdev      mean     stdev      mean     stdev
       nLw_412     1.633     0.069     1.651     0.070     1.011     0.004
       nLw_443     1.437     0.058     1.449     0.059     1.008     0.002
       nLw_490     1.111     0.033     1.116     0.034     1.004     0.001
       nLw_510     0.472     0.013     0.474     0.013     1.003     0.001
       nLw_555     0.346     0.010     0.347     0.010     1.003     0.001
       nLw_670     0.029     0.001     0.030     0.001     1.001     0.004
       chlor_a     0.321     0.047     0.316     0.046     0.984     0.005
        eps_78     1.054     0.008     1.054     0.008     1.000     0.000
       tau_865     0.113     0.005     0.113     0.005     1.000     0.000
  angstrom_510     0.362     0.039     0.365     0.038     1.009     0.005