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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: 0429 GMT
Station Types
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Red MarkerCMAN & USCG Stations
Yellow MarkerShip Reports
Green MarkerSurface Airways Stations

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 Enter New DOY (001-366):  Or Today (047)
 (See also Tables for determining DOY for a given date)
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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 -------GMT-              TMP   PT  DIR  SPD  GST CVR  RAD    PRES   TMP  HGT  PER YYYYDDDHHMM#ID            C     C  Deg  m/s  m/s  %   W/m2    mb     C    m    s 202504700001CLSM4 39 -0.1 999.9 330 2.1 2.6 999 9999.9 1010.5 99.9 99.9 99.9 202504700101CLSM4 39 -0.2 999.9 330 1.5 2.6 999 9999.9 1010.5 99.9 99.9 99.9 202504700201CLSM4 39 -0.3 999.9 330 2.1 3.1 999 9999.9 1010.5 99.9 99.9 99.9 202504700301CLSM4 39 -0.3 999.9 330 2.1 3.6 999 9999.9 1010.2 99.9 99.9 99.9 202504700401CLSM4 39 -0.4 999.9 330 2.1 3.1 999 9999.9 1010.2 99.9 99.9 99.9 202504700501CLSM4 39 -0.5 999.9 330 2.6 4.1 999 9999.9 1010.2 99.9 99.9 99.9 202504701001CLSM4 39 -0.7 999.9 340 3.6 4.6 999 9999.9 1009.8 99.9 99.9 99.9 202504701101CLSM4 39 -0.9 999.9 350 4.1 4.6 999 9999.9 1009.5 99.9 99.9 99.9 202504701201CLSM4 39 -0.9 999.9 360 3.6 4.1 999 9999.9 1009.1 99.9 99.9 99.9 202504701201CLSM4 39 -0.9 999.9 360 3.6 4.6 999 9999.9 1009.1 99.9 99.9 99.9 202504701301CLSM4 39 -1.0 999.9 360 3.6 4.6 999 9999.9 1009.1 99.9 99.9 99.9 202504701401CLSM4 39 -1.0 999.9 350 5.1 5.1 999 9999.9 1009.1 99.9 99.9 99.9 202504701501CLSM4 39 -1.1 999.9 340 4.6 5.7 999 9999.9 1009.5 99.9 99.9 99.9 202504702001CLSM4 39 -1.1 999.9 330 2.6 4.6 999 9999.9 1009.8 99.9 99.9 99.9 202504702101CLSM4 39 -1.2 999.9 330 1.5 3.6 999 9999.9 1009.8 99.9 99.9 99.9 202504702201CLSM4 39 -1.4 999.9 350 1.5 3.1 999 9999.9 1009.5 99.9 99.9 99.9 202504702301CLSM4 39 -1.4 999.9 340 2.6 3.6 999 9999.9 1009.1 99.9 99.9 99.9 202504702401CLSM4 39 -1.5 999.9 350 3.6 4.1 999 9999.9 1009.1 99.9 99.9 99.9 202504702501CLSM4 39 -1.6 999.9 340 3.1 4.1 999 9999.9 1008.8 99.9 99.9 99.9 202504703001CLSM4 39 -1.7 999.9 360 3.1 4.1 999 9999.9 1008.1 99.9 99.9 99.9 202504703001CLSM4 39 -1.7 999.9 360 3.1 5.7 999 9999.9 1008.1 99.9 99.9 99.9 202504703101CLSM4 39 -1.8 999.9 350 4.1 4.6 999 9999.9 1007.8 99.9 99.9 99.9 202504703201CLSM4 39 -1.9 999.9 360 4.1 5.1 999 9999.9 1007.8 99.9 99.9 99.9 202504703301CLSM4 39 -1.9 999.9 360 4.1 5.1 999 9999.9 1007.5 99.9 99.9 99.9 202504703401CLSM4 39 -2.0 999.9 350 4.1 4.6 999 9999.9 1007.1 99.9 99.9 99.9 202504703501CLSM4 39 -2.1 999.9 350 4.1 5.1 999 9999.9 1007.5 99.9 99.9 99.9 202504704001CLSM4 39 -2.1 999.9 330 2.6 5.7 999 9999.9 1007.5 99.9 99.9 99.9
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27 matching elements
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