event  cast  cycle  depth    niskin  sample  lat    lon      sal     density  U238_activity  Th234_activity  uncertainty  ISO_DateTime_UTC          
311    26    2      1.75     12      2-1     9.04   -90.55   33.64   1021.52  2.33           1.05            0.15         2010-07-04T12:42:40       
311    26    2      9.77     11      2-2     9.04   -90.55   33.67   1021.65  2.33           0.93            0.06         2010-07-04T12:41:15       
311    26    2      20.04    10      2-3     9.04   -90.55   34.67   1024.57  2.41           1.45            0.13         2010-07-04T12:39:56       
311    26    2      30.17    9       2-4     9.04   -90.55   34.81   1025.59  2.42           1.89            0.14         2010-07-04T12:38:47       
311    26    2      40.47    8       2-5     9.04   -90.55   34.83   1025.96  2.42           2.17            0.21         2010-07-04T12:37:48       
311    26    2      50.27    7       2-6     9.04   -90.55   34.87   1026.22  2.43           2.58            0.26         2010-07-04T12:36:23       
311    26    2      60.49    6       2-7     9.04   -90.55   34.87   1026.35  2.43           2.22            0.13         2010-07-04T12:35:12       
311    26    2      70.28    5       2-8     9.04   -90.55   34.87   1026.48  2.43           2.53            0.17         2010-07-04T12:34:08       
311    26    2      79.91    4       2-9     9.04   -90.55   34.88   1026.56  2.43           2.34            0.23         2010-07-04T12:32:52       
311    26    2      99.03    3       2-10    9.04   -90.55   34.86   1026.71  2.43           2.46            0.28         2010-07-04T12:31:10       
311    26    2      124.72   2       2-11    9.04   -90.55   34.87   1026.89  2.43           2.19            0.21         2010-07-04T12:29:20       
311    26    2      152.17   1       2-12    9.04   -90.55   34.85   1027.06  2.42           2.28            0.08         2010-07-04T12:27:36