This data set was acquired with a Sippican MK21 Expendable BathyThermograph during R/V Laurence M. Gould expedition LMG1704 conducted in 2017 (Chief Scientist: Dr. Elizabeth Shadwick, Investigator: Dr. Elizabeth Shadwick). These data files are of Sippican MK21 Export Data File format and include Temperature data that have not been processed. Data were acquired as part of the project(s): Resolving CO2 System Seasonality in the West Antarctic Peninsula with Autonomous Observations. Funding was provided by NSF award(s): PLR15-43380.