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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: 0629 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 (070)
 (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            C     C  Deg  m/s  m/s  %   W/m2    mb     C    m    s  d.deg d.deg    202607000001CLSM4 39 4.5 999.9 50 5.7 6.7 999 9999.9 1014.6 99.9 99.9 99.9 99.99 99.99 202607000101CLSM4 39 4.4 999.9 50 6.2 7.7 999 9999.9 1014.6 99.9 99.9 99.9 99.99 99.99 202607000201CLSM4 39 4.3 999.9 40 6.2 7.7 999 9999.9 1014.6 99.9 99.9 99.9 99.99 99.99 202607000301CLSM4 39 4.2 999.9 40 6.2 8.2 999 9999.9 1014.6 99.9 99.9 99.9 99.99 99.99 202607000401CLSM4 39 4.2 999.9 40 5.1 7.2 999 9999.9 1014.2 99.9 99.9 99.9 99.99 99.99 202607000501CLSM4 39 4.4 999.9 40 4.1 5.7 999 9999.9 1014.2 99.9 99.9 99.9 99.99 99.99 202607001001CLSM4 39 4.5 999.9 40 5.1 10.3 999 9999.9 1013.5 99.9 99.9 99.9 99.99 99.99 202607001001CLSM4 39 4.5 999.9 40 5.1 6.7 999 9999.9 1013.5 99.9 99.9 99.9 99.99 99.99 202607001101CLSM4 39 4.5 999.9 40 4.1 5.7 999 9999.9 1013.5 99.9 99.9 99.9 99.99 99.99 202607001201CLSM4 39 4.3 999.9 40 4.6 5.1 999 9999.9 1012.9 99.9 99.9 99.9 99.99 99.99 202607001301CLSM4 39 4.3 999.9 30 5.1 7.2 999 9999.9 1013.2 99.9 99.9 99.9 99.99 99.99 202607001401CLSM4 39 4.2 999.9 40 6.2 7.2 999 9999.9 1012.9 99.9 99.9 99.9 99.99 99.99 202607001501CLSM4 39 4.1 999.9 40 5.1 7.2 999 9999.9 1012.5 99.9 99.9 99.9 99.99 99.99 202607002001CLSM4 39 4.0 999.9 40 4.1 6.2 999 9999.9 1012.5 99.9 99.9 99.9 99.99 99.99 202607002001CLSM4 39 4.0 999.9 40 4.1 7.2 999 9999.9 1012.5 99.9 99.9 99.9 99.99 99.99 202607002101CLSM4 39 3.9 999.9 40 3.6 5.1 999 9999.9 1012.5 99.9 99.9 99.9 99.99 99.99 202607002201CLSM4 39 3.8 999.9 40 3.6 4.6 999 9999.9 1012.5 99.9 99.9 99.9 99.99 99.99 202607002301CLSM4 39 3.8 999.9 40 3.6 4.6 999 9999.9 1011.9 99.9 99.9 99.9 99.99 99.99 202607002401CLSM4 39 3.7 999.9 40 4.1 5.1 999 9999.9 1011.9 99.9 99.9 99.9 99.99 99.99 202607002501CLSM4 39 3.7 999.9 40 3.1 5.1 999 9999.9 1011.9 99.9 99.9 99.9 99.99 99.99 202607003001CLSM4 39 3.7 999.9 40 1.5 3.6 999 9999.9 1012.2 99.9 99.9 99.9 99.99 99.99 202607003101CLSM4 39 3.8 999.9 0 0.0 0.0 999 9999.9 1011.9 99.9 99.9 99.9 99.99 99.99 202607003201CLSM4 39 3.7 999.9 40 3.1 5.1 999 9999.9 1011.5 99.9 99.9 99.9 99.99 99.99 202607003301CLSM4 39 3.6 999.9 60 2.6 4.1 999 9999.9 1010.8 99.9 99.9 99.9 99.99 99.99 202607003401CLSM4 39 3.5 999.9 0 0.0 3.6 999 9999.9 1011.2 99.9 99.9 99.9 99.99 99.99 202607003501CLSM4 39 3.5 999.9 0 0.0 0.0 999 9999.9 1011.2 99.9 99.9 99.9 99.99 99.99 202607004001CLSM4 39 3.5 999.9 0 0.0 0.0 999 9999.9 1011.2 99.9 99.9 99.9 99.99 99.99 202607004101CLSM4 39 3.5 999.9 0 0.0 0.0 999 9999.9 1011.2 99.9 99.9 99.9 99.99 99.99 202607004201CLSM4 39 3.5 999.9 0 0.0 0.0 999 9999.9 1011.2 99.9 99.9 99.9 99.99 99.99 202607004301CLSM4 39 3.5 999.9 0 0.0 0.0 999 9999.9 1010.5 99.9 99.9 99.9 99.99 99.99 202607004401CLSM4 39 3.5 999.9 0 0.0 0.0 999 9999.9 1009.8 99.9 99.9 99.9 99.99 99.99 202607004401CLSM4 39 3.5 999.9 0 0.0 4.1 999 9999.9 1009.8 99.9 99.9 99.9 99.99 99.99 202607004501CLSM4 39 3.4 999.9 0 0.0 0.0 999 9999.9 1009.5 99.9 99.9 99.9 99.99 99.99 202607005001CLSM4 39 3.3 999.9 0 0.0 0.0 999 9999.9 1009.1 99.9 99.9 99.9 99.99 99.99 202607005101CLSM4 39 3.3 999.9 0 0.0 0.0 999 9999.9 1009.1 99.9 99.9 99.9 99.99 99.99 202607005201CLSM4 39 3.3 999.9 0 0.0 0.0 999 9999.9 1008.8 99.9 99.9 99.9 99.99 99.99 202607005301CLSM4 39 3.2 999.9 0 0.0 0.0 999 9999.9 1008.5 99.9 99.9 99.9 99.99 99.99 202607005401CLSM4 39 3.1 999.9 0 0.0 0.0 999 9999.9 1008.5 99.9 99.9 99.9 99.99 99.99 202607005501CLSM4 39 3.1 999.9 0 0.0 0.0 999 9999.9 1008.8 99.9 99.9 99.9 99.99 99.99 202607006001CLSM4 39 3.3 999.9 0 0.0 0.0 999 9999.9 1008.1 99.9 99.9 99.9 99.99 99.99
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