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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: 0704 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

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 Enter New DOY (001-366):  Or Today (076)
 (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   202607600001CLSM4 39 28.6 999.9 280 18.1 22.9 999 9999.9 29.49 99.9 99.9 99.9 202607600101CLSM4 39 28.8 999.9 270 15.9 22.0 999 9999.9 29.51 99.9 99.9 99.9 202607600151CLSM4 39 28.6 999.9 290 15.0 26.0 999 9999.9 29.50 99.9 99.9 99.9 202607600201CLSM4 39 27.5 999.9 290 18.1 28.0 999 9999.9 29.51 99.9 99.9 99.9 202607600301CLSM4 39 26.8 999.9 270 12.1 22.9 999 9999.9 29.52 99.9 99.9 99.9 202607600401CLSM4 39 26.8 999.9 270 8.9 19.0 999 9999.9 29.52 99.9 99.9 99.9 202607600501CLSM4 39 25.5 999.9 290 20.0 26.0 999 9999.9 29.55 99.9 99.9 99.9 202607601001CLSM4 39 23.7 999.9 270 15.0 28.0 999 9999.9 29.55 99.9 99.9 99.9 202607601061CLSM4 39 24.1 999.9 280 9.9 99.9 999 9999.9 29.55 99.9 99.9 99.9 202607601101CLSM4 39 24.4 999.9 280 11.1 21.0 999 9999.9 29.56 99.9 99.9 99.9 202607601201CLSM4 39 24.8 999.9 280 12.1 18.1 999 9999.9 29.56 99.9 99.9 99.9 202607601301CLSM4 39 23.7 999.9 290 15.0 22.9 999 9999.9 29.57 99.9 99.9 99.9 202607601401CLSM4 39 22.6 999.9 290 12.1 21.0 999 9999.9 29.57 99.9 99.9 99.9 202607601501CLSM4 39 22.5 999.9 290 15.0 22.9 999 9999.9 29.58 99.9 99.9 99.9 202607602001CLSM4 39 22.1 999.9 280 20.0 27.0 999 9999.9 29.58 99.9 99.9 99.9 202607602061CLSM4 39 21.6 999.9 290 13.0 99.9 999 9999.9 29.58 99.9 99.9 99.9 202607602101CLSM4 39 21.9 999.9 290 19.0 27.0 999 9999.9 29.59 99.9 99.9 99.9 202607602201CLSM4 39 21.0 999.9 280 16.9 29.0 999 9999.9 29.59 99.9 99.9 99.9 202607602301CLSM4 39 21.9 999.9 290 14.0 26.0 999 9999.9 29.60 99.9 99.9 99.9 202607602401CLSM4 39 21.9 999.9 290 15.0 25.1 999 9999.9 29.61 99.9 99.9 99.9 202607602501CLSM4 39 22.1 999.9 280 12.1 26.0 999 9999.9 29.62 99.9 99.9 99.9 202607603001CLSM4 39 21.7 999.9 270 15.0 22.0 999 9999.9 29.62 99.9 99.9 99.9 202607603101CLSM4 39 22.1 999.9 270 14.0 23.9 999 9999.9 29.63 99.9 99.9 99.9 202607603201CLSM4 39 21.6 999.9 280 16.9 25.1 999 9999.9 29.64 99.9 99.9 99.9 202607603201CLSM4 39 21.6 999.9 280 16.9 28.0 999 9999.9 29.64 99.9 99.9 99.9 202607603301CLSM4 39 21.6 999.9 280 16.9 29.9 999 9999.9 29.64 99.9 99.9 99.9 202607603401CLSM4 39 21.2 999.9 270 15.0 22.9 999 9999.9 29.65 99.9 99.9 99.9 202607603501CLSM4 39 21.0 999.9 270 14.0 21.0 999 9999.9 29.66 99.9 99.9 99.9 202607604001CLSM4 39 21.0 999.9 270 15.9 21.0 999 9999.9 29.66 99.9 99.9 99.9 202607604101CLSM4 39 21.2 999.9 270 14.0 21.0 999 9999.9 29.67 99.9 99.9 99.9 202607604201CLSM4 39 21.2 999.9 280 15.9 25.1 999 9999.9 29.67 99.9 99.9 99.9 202607604201CLSM4 39 21.2 999.9 280 15.9 99.9 999 9999.9 29.67 99.9 99.9 99.9 202607604301CLSM4 39 20.8 999.9 270 16.9 23.9 999 9999.9 29.67 99.9 99.9 99.9 202607604341CLSM4 39 20.8 999.9 270 15.0 26.0 999 9999.9 29.68 99.9 99.9 99.9 202607604401CLSM4 39 21.2 999.9 290 18.1 26.0 999 9999.9 29.69 99.9 99.9 99.9 202607604501CLSM4 39 21.2 999.9 280 15.9 25.1 999 9999.9 29.69 99.9 99.9 99.9 202607605001CLSM4 39 20.5 999.9 260 15.9 21.0 999 9999.9 29.70 99.9 99.9 99.9 202607605101CLSM4 39 20.3 999.9 270 16.9 25.1 999 9999.9 29.70 99.9 99.9 99.9 202607605201CLSM4 39 20.7 999.9 270 14.0 22.0 999 9999.9 29.70 99.9 99.9 99.9 202607605301CLSM4 39 20.5 999.9 270 13.0 23.9 999 9999.9 29.71 99.9 99.9 99.9 202607605401CLSM4 39 20.8 999.9 280 14.0 22.9 999 9999.9 29.71 99.9 99.9 99.9 202607605441CLSM4 39 20.8 999.9 270 18.1 28.0 999 9999.9 29.69 99.9 99.9 99.9 202607605501CLSM4 39 20.8 999.9 270 19.0 28.0 999 9999.9 29.72 99.9 99.9 99.9 202607606001CLSM4 39 20.7 999.9 270 15.9 23.9 999 9999.9 29.72 99.9 99.9 99.9
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