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Realtime Great Lakes Weather Data and Marine Observations


CLSM4: NWS St.ClairShoresMI                                  
CMAN Station
Lat: 42.47°, Lon: -82.88°
Elevation: 175 m
Anemometer Height: 10 m
Related Site: NDBC


Current Time: 0354 GMT
Station Types
(Click on name to view all stations for that type)
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Red MarkerCMAN & USCG Stations
Yellow MarkerShip Reports
Green MarkerSurface Airways Stations

  Change Units to: English | Metric
 Enter New DOY (001-366):  Or Today (342)
 (See also Tables for determining DOY for a given date)
View multiple days of data for this station:
Select Year and Day of Year (DOY) range:
Year (4-digits):   First Day (001-366):   Last Day (001-366):  
Additional Data Archive: NDBC Historical Data

Metadata | Description of Measurements (NDBC)
All 9s in field = missing data
                                       Change Units to English | Metric
                         AIR   DEW WND  WND  WND CLD SOLAR   BAR    WAT  WAV  WAV   N     W     -------GMT-              TMP   PT  DIR  SPD  GST CVR  RAD    PRES   TMP  HGT  PER  LAT   LON    YYYYDDDHHMM#ID            F     F  Deg  kts  kts  %   W/m2   inHg    F    ft   s  d.deg d.deg   202534200001CLSM4 39 23.9 999.9 340 8.9 11.1 999 9999.9 30.24 99.9 99.9 99.9 202534200101CLSM4 39 23.7 999.9 320 6.0 11.1 999 9999.9 30.25 99.9 99.9 99.9 202534200201CLSM4 39 23.4 999.9 330 7.0 9.9 999 9999.9 30.25 99.9 99.9 99.9 202534200301CLSM4 39 23.2 999.9 330 5.1 8.9 999 9999.9 30.26 99.9 99.9 99.9 202534200401CLSM4 39 23.0 999.9 320 5.1 7.0 999 9999.9 30.26 99.9 99.9 99.9 202534200501CLSM4 39 23.0 999.9 330 6.0 8.0 999 9999.9 30.26 99.9 99.9 99.9 202534201001CLSM4 39 22.6 999.9 330 5.1 8.9 999 9999.9 30.27 99.9 99.9 99.9 202534201101CLSM4 39 22.5 999.9 320 5.1 7.0 999 9999.9 30.27 99.9 99.9 99.9 202534201201CLSM4 39 22.5 999.9 320 5.1 8.0 999 9999.9 30.27 99.9 99.9 99.9 202534201301CLSM4 39 22.3 999.9 330 4.1 7.0 999 9999.9 30.27 99.9 99.9 99.9 202534201401CLSM4 39 22.1 999.9 330 5.1 8.0 999 9999.9 30.28 99.9 99.9 99.9 202534201501CLSM4 39 21.9 999.9 320 2.9 7.0 999 9999.9 30.28 99.9 99.9 99.9 202534202001CLSM4 39 21.6 999.9 310 5.1 8.0 999 9999.9 30.29 99.9 99.9 99.9 202534202101CLSM4 39 21.2 999.9 310 5.1 8.0 999 9999.9 30.29 99.9 99.9 99.9 202534202201CLSM4 39 21.2 999.9 320 4.1 6.0 999 9999.9 30.29 99.9 99.9 99.9 202534202301CLSM4 39 21.2 999.9 320 4.1 7.0 999 9999.9 30.30 99.9 99.9 99.9 202534202401CLSM4 39 21.2 999.9 320 4.1 7.0 999 9999.9 30.30 99.9 99.9 99.9 202534202501CLSM4 39 21.0 999.9 320 4.1 7.0 999 9999.9 30.30 99.9 99.9 99.9 202534203001CLSM4 39 21.0 999.9 320 5.1 8.0 999 9999.9 30.30 99.9 99.9 99.9
  New Graph (click on parameter):                                      
  at | dp | wd | ws | wg | cc | sr | bp | wt | wvh | wvp
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