Region: PacN45

                                     tt21                  tt22             tt22/tt21         
                     Prod       mean       stdev        mean       stdev        mean       stdev
                  chlor_a     0.22233     0.05712     0.22175     0.05630     0.99783     0.00311
                  Rrs_412     0.00666     0.00344     0.00669     0.00340     1.00646     0.00912
                  Rrs_443     0.00583     0.00276     0.00585     0.00273     1.00497     0.00701
                  Rrs_469     0.00562     0.00271     0.00564     0.00269     1.00414     0.00583
                  Rrs_488     0.00487     0.00175     0.00488     0.00173     1.00325     0.00457
                  Rrs_531     0.00260     0.00077     0.00261     0.00077     1.00296     0.00415
                  Rrs_547     0.00200     0.00059     0.00201     0.00058     1.00326     0.00457
                  Rrs_555     0.00163     0.00038     0.00164     0.00038     1.00308     0.00430
                  Rrs_645     0.00023     0.00001     0.00024     0.00000     1.00811     0.01120
                  Rrs_667     0.00020     0.00011     0.00020     0.00010     1.00835     0.01160
                  Rrs_678     0.00026     0.00004     0.00026     0.00003     1.00504     0.00694
                  aot_869     0.11084     0.03582     0.11090     0.03592     1.00043     0.00075
                 angstrom     0.77383     0.16891     0.76764     0.17777     0.99052     0.01351