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                
5     2        20130329        1202            20130329.1202.001   -37.998253   -44.998872    1       355.903    358.897   1     0.9688   12.6797   3.4854    0.031    0.0402   52.8808114303906  13.6138459599628  
5     2        20130329        1202            20130329.1202.001   -37.998253   -44.998872    6       81.13      81.759    6     0.2196   0.1387    0.9979    0.0601   0.0393   64.4757982535889  3.5683211076102   
5     2        20130329        1202            20130329.1202.001   -37.998253   -44.998872    21      51.514     51.909    21    0.1765   0.9441    0.8901    0.0341   0.0448   63.8410106378051  4.86499735561954  
8     2        20130329        1905            20130329.1905.001   -38.002600   -44.999921    1       101.167    101.955   1     0.4097   3.7634    1.6292    0.0583   0.0361   55.3327878448869  6.00165139839989  
8     2        20130329        1905            20130329.1905.001   -38.002600   -44.999921    16      5.316      5.356     16    0.1843   0.352     1.0548    0.0349   0.0334   70.1229067116844  3.96231246454734