Reviewed sample buoy data (here). Here are some findings
Three kinds of DAT files (but, it's in CSV format).
We need some metadata for columns for each dataset.
The "Pisces Data"/"Ellis Bay Test data May 23-31" contains some charts in Excel (PiscesCell_WQDAta_5-14_7-8_2013_turb-chloro-DO.xlsx).
Marcus Slavenas is working on adding a cron job to the server that will update these in the API.