year  month  day  yrday_i  Year  Yday        MO  DA  HH  MM  SS  lrec_ctd  twater_ctd_mean[DegC]  saln_ctd_mean[psu]  cond_ctd_mean[S/m]  dpth_ctd_mean[m]  twater_ctd_m50[DegC]  saln_ctd_m50[psu]  cond_ctd_m50[S/m]  dpth_ctd_m50[m]  twater_ctd_std[DegC]  saln_ctd_std[psu]  cond_ctd_std[S/m]  dpth_ctd_std[m]  twater_ctd_length  saln_ctd_length  cond_ctd_length  dpth_ctd_length  
2009  09     03   246      2009  246.974560  09  03  23  23  22  33        19.421           30.906         4.235          4.710          19.427          30.907        4.235         4.709         0.0250          0.0058        0.0019        0.0699        33                 33               33               33               
2009  09     03   246      2009  246.986111  09  03  23  40  00  39        19.390           30.909         4.233          4.695          19.403          30.908        4.234         4.680         0.0385          0.0075        0.0029        0.0727        39                 39               39               39