date         sta       cast      lat       lon       bots      depth       N2_1_no_prefilter  N2_2_no_prefilter  N2_average_no_prefilter  N2_stderr_no_prefilter  N2_3_10um_prefilter  N2_4_10um_prefilter  N2_average_10um_prefilter  N2_stderr_10um_prefilter  N2_gt_10um_fraction  activity_and_comments  
20080714     15        6         31.312    -140.3481  13-15     42          nd                 nd                 0.33                     0.01                    nd                   nd                   nd                         nd                        nd                   nd