Region: global

                                     st77                  st78             st78/st77         
                     Prod       mean       stdev        mean       stdev        mean       stdev
                  chlor_a     0.28149     0.03760     0.28233     0.03784     1.00298     0.00715
                  Rrs_412     0.00930     0.00045     0.00926     0.00042     0.99655     0.00818
                  Rrs_443     0.00760     0.00027     0.00758     0.00026     0.99762     0.00567
                  Rrs_490     0.00551     0.00013     0.00550     0.00013     0.99931     0.00162
                  Rrs_510     0.00342     0.00007     0.00342     0.00007     0.99918     0.00191
                  Rrs_555     0.00179     0.00005     0.00179     0.00005     0.99914     0.00201
                  Rrs_670     0.00026     0.00002     0.00026     0.00002     0.99771     0.00533
                  aot_865     0.07286     0.00373     0.07286     0.00373     0.99998     0.00005
                 angstrom     0.83483     0.08314     0.83478     0.08310     0.99994     0.00014