Region: global

                        tt11                tt12           tt12/tt11         
          Prod     mean     stdev      mean     stdev      mean     stdev
       nLw_412     1.571     0.196     1.556     0.208     0.990     0.017
       nLw_443     1.353     0.130     1.372     0.135     1.014     0.008
       nLw_490     1.063     0.048     1.080     0.043     1.017     0.008
       nLw_510     0.471     0.012     0.477     0.012     1.014     0.005
       nLw_555     0.340     0.010     0.345     0.010     1.015     0.005
       nLw_670     0.027     0.002     0.027     0.002     0.993     0.011
       chlor_a     0.388     0.115     0.378     0.101     0.983     0.065
        eps_78     1.058     0.007     1.062     0.007     1.004     0.001
       tau_865     0.101     0.004     0.093     0.004     0.919     0.012
  angstrom_510     0.374     0.036     0.392     0.036     1.048     0.016