This data set was acquired with a Sippican MK21 Expendable CTD during R/V Laurence M. Gould expedition LMG1703 conducted in 2017 (Chief Scientist: Dr. James Girton, Investigator: Dr. James Girton). These data files are of Sippican MK21 Export Data File format and include Temperature data that have not been processed. Funding was provided by NSF grant: OCE15-58448.