cast  station  date_start_utc  time_start_utc  event_start         lat_start    lon_start     niskin  depth      press     bots  PO4      NO3_NO2   silicate  NO2      NH4      NPOC              TN                
13    5        20130402        1530            20130402.1544.001   -28.236990   -38.493942    1       248.637    250.458   1     0.5142   4.2847    2.1196    0.0104   0.0331   54.0467021826042  7.41365052103771  
13    5        20130402        1530            20130402.1544.001   -28.236990   -38.493942    5       175.284    176.536   5     0.3556   1.9478    1.5898    0.0287   0.0005   59.4098109387114  5.55295352535696  
13    5        20130402        1530            20130402.1544.001   -28.236990   -38.493942    9       106.019    106.759   9     0.1229   0.1296    1.06      0.0999   0.0107   65.9640287325123  5.60237442829668  
13    5        20130402        1530            20130402.1544.001   -28.236990   -38.493942    18      5.82       5.859     18    0.064    -0.0032   1.0601    0.0122   0.0102   78.8105450552809  5.48129321609435