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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: 0537 GMT
Station Types
(Click on name to view all stations for that type)
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Lt Blue MarkerBuoys
Red MarkerCMAN & USCG Stations
Yellow MarkerShip Reports
Green MarkerSurface Airways Stations

  Change Units to: English | Metric
 Enter New DOY (001-366):  Or Today (191)
 (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 -------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 202519100001CLSM4 39 24.8 999.9 320 1.5 4.6 999 9999.9 1014.2 99.9 99.9 99.9 202519100101CLSM4 39 24.8 999.9 350 2.1 2.6 999 9999.9 1014.6 99.9 99.9 99.9 202519100201CLSM4 39 24.4 999.9 30 3.1 4.1 999 9999.9 1014.6 99.9 99.9 99.9 202519100301CLSM4 39 24.0 999.9 30 3.6 4.1 999 9999.9 1014.6 99.9 99.9 99.9 202519100401CLSM4 39 24.1 999.9 30 3.6 4.1 999 9999.9 1014.6 99.9 99.9 99.9 202519100501CLSM4 39 24.1 999.9 10 1.0 3.1 999 9999.9 1014.6 99.9 99.9 99.9 202519101001CLSM4 39 23.9 999.9 0 0.0 2.1 999 9999.9 1014.2 99.9 99.9 99.9 202519101101CLSM4 39 23.9 999.9 0 0.0 0.0 999 9999.9 1014.2 99.9 99.9 99.9 202519101201CLSM4 39 23.9 999.9 0 0.0 0.0 999 9999.9 1014.6 99.9 99.9 99.9 202519101301CLSM4 39 23.9 999.9 0 0.0 0.0 999 9999.9 1014.6 99.9 99.9 99.9 202519101401CLSM4 39 24.0 999.9 40 2.1 2.1 999 9999.9 1014.9 99.9 99.9 99.9 202519101501CLSM4 39 24.1 999.9 40 2.1 2.6 999 9999.9 1014.9 99.9 99.9 99.9 202519102001CLSM4 39 24.1 999.9 30 1.5 3.1 999 9999.9 1015.2 99.9 99.9 99.9 202519102101CLSM4 39 23.9 999.9 30 0.5 1.5 999 9999.9 1014.9 99.9 99.9 99.9 202519102201CLSM4 39 23.9 999.9 0 0.0 0.5 999 9999.9 1014.9 99.9 99.9 99.9 202519102301CLSM4 39 23.9 999.9 160 1.0 1.5 999 9999.9 1015.2 99.9 99.9 99.9 202519102401CLSM4 39 23.7 999.9 0 0.0 1.5 999 9999.9 1015.2 99.9 99.9 99.9 202519102501CLSM4 39 23.4 999.9 0 0.0 0.0 999 9999.9 1014.9 99.9 99.9 99.9 202519103001CLSM4 39 23.4 999.9 250 1.0 1.5 999 9999.9 1014.9 99.9 99.9 99.9 202519103101CLSM4 39 23.2 999.9 300 1.0 1.0 999 9999.9 1014.9 99.9 99.9 99.9 202519103201CLSM4 39 23.2 999.9 260 1.0 1.0 999 9999.9 1014.9 99.9 99.9 99.9 202519103301CLSM4 39 23.1 999.9 0 0.0 1.0 999 9999.9 1014.9 99.9 99.9 99.9 202519103401CLSM4 39 23.1 999.9 0 0.0 1.5 999 9999.9 1014.9 99.9 99.9 99.9 202519103501CLSM4 39 22.9 999.9 280 1.0 1.5 999 9999.9 1014.9 99.9 99.9 99.9 202519104001CLSM4 39 22.8 999.9 0 0.0 1.0 999 9999.9 1014.9 99.9 99.9 99.9 202519104101CLSM4 39 22.8 999.9 0 0.0 0.5 999 9999.9 1014.9 99.9 99.9 99.9 202519104201CLSM4 39 22.7 999.9 0 0.0 0.0 999 9999.9 1014.9 99.9 99.9 99.9 202519104301CLSM4 39 22.6 999.9 0 0.0 0.0 999 9999.9 1015.2 99.9 99.9 99.9 202519104401CLSM4 39 22.7 999.9 0 0.0 0.0 999 9999.9 1014.9 99.9 99.9 99.9 202519104501CLSM4 39 22.6 999.9 0 0.0 0.0 999 9999.9 1015.2 99.9 99.9 99.9 202519105001CLSM4 39 22.6 999.9 0 0.0 0.0 999 9999.9 1015.2 99.9 99.9 99.9
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