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 GSLM4 - Gravelly Shoal Light, MI
Available historical data for station GSLM4 include:
- Quality controlled data for 2025 (data descriptions)
- Historical data (data descriptions)
- Search historical meteorological data for observations that meet your threshold conditions
Some data files have been compressed with the GNU gzip program.
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