NDBC has recently revised the NDBC Handbook of Automated Data Quality Control Checks and Procedures. The new document can be found on our Publications page.
Station 21417 - 290NM SE of the Kuril Islands
Available historical data for station 21417 include:
Other Available Historical Data
Long-term archive of recovered DART® data are available at the NOAA’s National Centers for Environmental Information (NCEI), https://www.ngdc.noaa.gov/hazard/dart/deployments/21417/
Some data files have been compressed with the GNU gzip program.