Region: AerMidway

                                     at41                  at42             at42/at41         
                     Prod       mean       stdev        mean       stdev        mean       stdev
                  chlor_a     0.07985     0.04317     0.08608     0.04555     1.08315     0.01924
                  Rrs_412     0.01066     0.00307     0.01066     0.00308     0.99983     0.00097
                  Rrs_443     0.00845     0.00200     0.00844     0.00200     0.99810     0.00138
                  Rrs_488     0.00585     0.00086     0.00586     0.00087     1.00089     0.00179
                  Rrs_531     0.00213     0.00023     0.00218     0.00024     1.02202     0.00424
                  Rrs_547     0.00156     0.00018     0.00162     0.00018     1.03826     0.00619
                  Rrs_667     0.00012     0.00005     0.00013     0.00005         Inf        -NaN
                  Rrs_678     0.00013     0.00005     0.00013     0.00005     1.01858     0.07974
                  aot_869     0.09455     0.03501     0.09466     0.03505     1.00128     0.00294
                 angstrom     0.46534     0.30431     0.46501     0.30390     0.99946     0.00195
                      flh     0.00301     0.00178     0.00210     0.00161     0.63779     0.43773