Region: PacS25

                                     tt21                  tt22             tt22/tt21         
                     Prod       mean       stdev        mean       stdev        mean       stdev
                  chlor_a     0.05139     0.01241     0.05127     0.01260     0.99713     0.00454
                  Rrs_412     0.01473     0.00277     0.01472     0.00275     0.99934     0.00117
                  Rrs_443     0.01087     0.00111     0.01087     0.00110     0.99947     0.00096
                  Rrs_469     0.00923     0.00009     0.00923     0.00008     0.99954     0.00083
                  Rrs_488     0.00681     0.00043     0.00680     0.00042     0.99955     0.00086
                  Rrs_531     0.00231     0.00002     0.00230     0.00002     0.99860     0.00242
                  Rrs_547     0.00165     0.00000     0.00164     0.00000     0.99803     0.00325
                  Rrs_555     0.00140     0.00003     0.00140     0.00002     0.99752     0.00418
                  Rrs_645     0.00016     0.00007     0.00016     0.00008     0.98726     0.02016
                  Rrs_667     0.00013     0.00002     0.00013     0.00003     0.99277     0.01397
                  Rrs_678     0.00014     0.00001     0.00014     0.00001     0.99639     0.00843
                  aot_869     0.08364     0.01675     0.08457     0.01831     1.00941     0.01670
                 angstrom     0.55467     0.03873     0.54442     0.02360     0.98243     0.02605