Station SRLM4 - Spectacle Reef Light, MI 
Owned and maintained by Great Lakes Environmental Research Laboratory
C-MAN Station
45.773 N 84.137 W (45°46'24" N 84°8'12" W)
Site elevation: 177 m above mean sea level
Anemometer height: 30 m above site elevation
Instruments are owned and maintained by the University of Colorado, Boulder.
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Data for last 45 days:
- Quality controlled data for 2026 (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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