event     event_type                sta       cast      date           time      lat       lon       depth_w     activity_and_comments                depth       press    bot      
50        CTD_cast                  11        1         20070814       0908      24.000    -158.090  4468        nd                                   5           7.60     22       
50        CTD_cast                  11        1         20070814       0908      24.000    -158.090  4468        nd                                   5           8.51     21       
50        CTD_cast                  11        1         20070814       0908      24.000    -158.090  4468        nd                                   25          23.69    20       
50        CTD_cast                  11        1         20070814       0908      24.000    -158.090  4468        nd                                   25          25.54    19       
50        CTD_cast                  11        1         20070814       0908      24.000    -158.090  4468        nd                                   45          43.46    18       
50        CTD_cast                  11        1         20070814       0908      24.000    -158.090  4468        nd                                   45          44.36    17       
50        CTD_cast                  11        1         20070814       0908      24.000    -158.090  4468        nd                                   75          75.02    16       
50        CTD_cast                  11        1         20070814       0908      24.000    -158.090  4468        nd                                   75          75.35    15       
50        CTD_cast                  11        1         20070814       0908      24.000    -158.090  4468        nd                                   85          85.82    14       
50        CTD_cast                  11        1         20070814       0908      24.000    -158.090  4468        nd                                   100         102.78   13       
50        CTD_cast                  11        1         20070814       0908      24.000    -158.090  4468        nd                                   100         102.64   12       
50        CTD_cast                  11        1         20070814       0908      24.000    -158.090  4468        nd                                   115         114.20   11       
50        CTD_cast                  11        1         20070814       0908      24.000    -158.090  4468        nd                                   125         125.01   10       
50        CTD_cast                  11        1         20070814       0908      24.000    -158.090  4468        nd                                   125         125.30   9        
50        CTD_cast                  11        1         20070814       0908      24.000    -158.090  4468        nd                                   140         139.84   8        
50        CTD_cast                  11        1         20070814       0908      24.000    -158.090  4468        nd                                   150         152.29   7        
50        CTD_cast                  11        1         20070814       0908      24.000    -158.090  4468        nd                                   150         149.20   6        
50        CTD_cast                  11        1         20070814       0908      24.000    -158.090  4468        nd                                   175         177.43   5        
50        CTD_cast                  11        1         20070814       0908      24.000    -158.090  4468        nd                                   175         179.25   4        
50        CTD_cast                  11        1         20070814       0908      24.000    -158.090  4468        nd                                   200         200.84   3        
50        CTD_cast                  11        1         20070814       0908      24.000    -158.090  4468        nd                                   250         252.46   2        
50        CTD_cast                  11        1         20070814       0908      24.000    -158.090  4468        nd                                   300         302.64   1