Region: SIO

                                     at41                  at42             at42/at41         
                     Prod       mean       stdev        mean       stdev        mean       stdev
                  chlor_a     0.06405     0.02320     0.06897     0.02436     1.08042     0.01486
                  Rrs_412     0.01302     0.00213     0.01303     0.00213     1.00032     0.00061
                  Rrs_443     0.01039     0.00157     0.01037     0.00157     0.99872     0.00085
                  Rrs_488     0.00676     0.00059     0.00677     0.00059     1.00103     0.00102
                  Rrs_531     0.00235     0.00013     0.00240     0.00014     1.02084     0.00222
                  Rrs_547     0.00170     0.00013     0.00176     0.00013     1.03568     0.00423
                  Rrs_667     0.00013     0.00003     0.00014     0.00003     1.09311     0.04026
                  Rrs_678     0.00014     0.00004     0.00015     0.00004     1.01901     0.03661
                  aot_869     0.07546     0.01815     0.07554     0.01817     1.00111     0.00179
                 angstrom     0.57917     0.20998     0.57894     0.21004     0.99948     0.00088
                      flh     0.00478     0.00206     0.00379     0.00195     0.76071     0.08413