station  latitude  longitude  cruise     date_local  month_local  day_local  year  yrday_local  depth_net  depth_w  dilution  
WB-5     42.898    -70.140    GC010313   01032013    1            3          2013  3            58         62       100       
WB-5     42.898    -70.140    GC012813   01282013    1            28         2013  28           59         64       100