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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
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 (182)
 (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
202517300001CLSM4   39  31.3 999.9 210  6.7 10.8 999 9999.9 1011.9 99.9 99.9 99.9            
202517300101CLSM4   39  31.2 999.9 220  6.7 10.3 999 9999.9 1012.2 99.9 99.9 99.9            
202517300201CLSM4   39  31.0 999.9 210  5.7  9.8 999 9999.9 1012.2 99.9 99.9 99.9            
202517300301CLSM4   39  30.9 999.9 210  5.7  9.3 999 9999.9 1012.5 99.9 99.9 99.9            
202517300401CLSM4   39  30.7 999.9 210  5.1  9.8 999 9999.9 1012.2 99.9 99.9 99.9            
202517300501CLSM4   39  30.5 999.9 200  5.1  9.3 999 9999.9 1012.2 99.9 99.9 99.9            
202517301001CLSM4   39  30.3 999.9 200  6.2  8.7 999 9999.9 1012.2 99.9 99.9 99.9            
202517301101CLSM4   39  30.2 999.9 200  4.1  6.7 999 9999.9 1012.2 99.9 99.9 99.9            
202517301201CLSM4   39  30.1 999.9 200  5.7  7.7 999 9999.9 1012.2 99.9 99.9 99.9            
202517301301CLSM4   39  29.9 999.9 190  5.1  7.7 999 9999.9 1012.2 99.9 99.9 99.9            
202517301401CLSM4   39  29.7 999.9 200  5.7  8.7 999 9999.9 1012.5 99.9 99.9 99.9            
202517301501CLSM4   39  29.6 999.9 190  5.1  7.7 999 9999.9 1012.5 99.9 99.9 99.9            
202517302001CLSM4   39  29.4 999.9 190  4.6  7.7 999 9999.9 1012.9 99.9 99.9 99.9            
202517302101CLSM4   39  29.3 999.9 190  5.1  8.2 999 9999.9 1012.9 99.9 99.9 99.9            
202517302201CLSM4   39  29.1 999.9 200  4.6  7.2 999 9999.9 1012.9 99.9 99.9 99.9            
202517302301CLSM4   39  29.0 999.9 200  5.1  7.7 999 9999.9 1013.2 99.9 99.9 99.9            
202517302401CLSM4   39  28.9 999.9 210  4.6  7.2 999 9999.9 1013.2 99.9 99.9 99.9            
202517302501CLSM4   39  28.9 999.9 200  4.1  8.2 999 9999.9 1013.2 99.9 99.9 99.9            
202517303001CLSM4   39  28.8 999.9 210  5.7  7.7 999 9999.9 1013.2 99.9 99.9 99.9            
202517303101CLSM4   39  28.8 999.9 200  5.1  7.2 999 9999.9 1013.2 99.9 99.9 99.9            
202517303201CLSM4   39  28.7 999.9 200  5.1  8.7 999 9999.9 1013.2 99.9 99.9 99.9            
202517303301CLSM4   39  28.7 999.9 200  6.7  8.2 999 9999.9 1013.2 99.9 99.9 99.9            
202517303401CLSM4   39  28.6 999.9 210  5.1  7.7 999 9999.9 1013.5 99.9 99.9 99.9            
202517303501CLSM4   39  28.6 999.9 210  5.7  8.7 999 9999.9 1013.5 99.9 99.9 99.9            
202517304001CLSM4   39  28.5 999.9 210  5.7  9.3 999 9999.9 1013.5 99.9 99.9 99.9            
202517304101CLSM4   39  28.4 999.9 210  6.2  9.3 999 9999.9 1013.9 99.9 99.9 99.9            
202517304201CLSM4   39  28.3 999.9 210  5.7  7.7 999 9999.9 1013.9 99.9 99.9 99.9            
202517304301CLSM4   39  28.2 999.9 210  5.1  8.2 999 9999.9 1013.9 99.9 99.9 99.9            
202517304401CLSM4   39  28.1 999.9 210  4.6  6.7 999 9999.9 1014.2 99.9 99.9 99.9            
202517304501CLSM4   39  28.0 999.9 210  4.6  6.7 999 9999.9 1014.2 99.9 99.9 99.9            
202517305001CLSM4   39  28.0 999.9 210  5.1  6.7 999 9999.9 1014.2 99.9 99.9 99.9            
202517305101CLSM4   39  27.8 999.9 210  3.1  6.7 999 9999.9 1014.6 99.9 99.9 99.9            
202517305201CLSM4   39  27.8 999.9 210  3.6  6.7 999 9999.9 1014.6 99.9 99.9 99.9            
202517305301CLSM4   39  27.7 999.9 210  4.1  6.7 999 9999.9 1014.2 99.9 99.9 99.9            
202517305401CLSM4   39  27.6 999.9 210  4.1  7.2 999 9999.9 1014.2 99.9 99.9 99.9            
202517305501CLSM4   39  27.7 999.9 220  4.6  7.7 999 9999.9 1014.2 99.9 99.9 99.9            
202517306001CLSM4   39  27.7 999.9 220  4.1  6.2 999 9999.9 1014.6 99.9 99.9 99.9            
202517306101CLSM4   39  27.8 999.9 210  4.1  8.2 999 9999.9 1014.6 99.9 99.9 99.9            
202517306201CLSM4   39  27.8 999.9 220  4.1  7.2 999 9999.9 1014.6 99.9 99.9 99.9            
202517306301CLSM4   39  28.0 999.9 220  4.6  8.2 999 9999.9 1014.6 99.9 99.9 99.9            
202517306401CLSM4   39  28.1 999.9 230  5.1  9.3 999 9999.9 1014.9 99.9 99.9 99.9            
202517306501CLSM4   39  28.1 999.9 230  5.1  8.7 999 9999.9 1014.9 99.9 99.9 99.9            
202517307001CLSM4   39  28.2 999.9 230  5.1 10.8 999 9999.9 1014.9 99.9 99.9 99.9            
202517307101CLSM4   39  28.1 999.9 220  5.1  7.7 999 9999.9 1014.9 99.9 99.9 99.9            
202517307201CLSM4   39  28.1 999.9 230  5.1  8.7 999 9999.9 1015.2 99.9 99.9 99.9            
202517307301CLSM4   39  28.1 999.9 230  7.7  9.8 999 9999.9 1015.2 99.9 99.9 99.9            
202517307401CLSM4   39  28.0 999.9 230  6.7  9.3 999 9999.9 1015.2 99.9 99.9 99.9            
202517307501CLSM4   39  27.9 999.9 220  7.2 10.3 999 9999.9 1015.2 99.9 99.9 99.9            
202517308001CLSM4   39  27.8 999.9 230  6.7  9.8 999 9999.9 1015.2 99.9 99.9 99.9            
202517308101CLSM4   39  27.7 999.9 230  7.2 10.3 999 9999.9 1015.2 99.9 99.9 99.9            
202517308201CLSM4   39  27.7 999.9 230  7.2 10.8 999 9999.9 1015.2 99.9 99.9 99.9            
202517308301CLSM4   39  27.5 999.9 230  6.2  9.8 999 9999.9 1015.6 99.9 99.9 99.9            
202517308401CLSM4   39  27.4 999.9 230  5.1  9.3 999 9999.9 1015.6 99.9 99.9 99.9            
202517308501CLSM4   39  27.3 999.9 230  4.6  9.8 999 9999.9 1015.9 99.9 99.9 99.9            
202517309001CLSM4   39  27.3 999.9 230  4.6 10.3 999 9999.9 1015.9 99.9 99.9 99.9            
202517309101CLSM4   39  27.2 999.9 230  5.1  9.8 999 9999.9 1015.9 99.9 99.9 99.9            
202517309201CLSM4   39  27.2 999.9 230  5.1  9.3 999 9999.9 1015.9 99.9 99.9 99.9            
202517309301CLSM4   39  27.1 999.9 230  5.1  8.7 999 9999.9 1015.9 99.9 99.9 99.9            
202517309401CLSM4   39  27.0 999.9 230  5.7  9.8 999 9999.9 1015.9 99.9 99.9 99.9            
202517309501CLSM4   39  26.9 999.9 230  5.1  8.2 999 9999.9 1016.3 99.9 99.9 99.9            
202517310001CLSM4   39  26.8 999.9 220  4.6  7.7 999 9999.9 1016.3 99.9 99.9 99.9            
202517310101CLSM4   39  26.8 999.9 220  4.6  7.2 999 9999.9 1016.3 99.9 99.9 99.9            
202517310201CLSM4   39  26.8 999.9 240  5.7  8.7 999 9999.9 1016.3 99.9 99.9 99.9            
202517310301CLSM4   39  26.7 999.9 230  5.1  8.2 999 9999.9 1016.6 99.9 99.9 99.9            
202517310401CLSM4   39  26.7 999.9 230  4.6  7.2 999 9999.9 1016.9 99.9 99.9 99.9            
202517310501CLSM4   39  26.7 999.9 230  5.1  8.2 999 9999.9 1016.9 99.9 99.9 99.9            
202517311001CLSM4   39  26.6 999.9 230  5.1  7.7 999 9999.9 1016.9 99.9 99.9 99.9            
202517311101CLSM4   39  26.6 999.9 230  4.1  7.2 999 9999.9 1016.9 99.9 99.9 99.9            
202517311201CLSM4   39  26.5 999.9 240  4.6  7.7 999 9999.9 1017.3 99.9 99.9 99.9            
202517311301CLSM4   39  26.8 999.9 230  3.1  7.2 999 9999.9 1017.3 99.9 99.9 99.9            
202517311401CLSM4   39  27.1 999.9 240  5.1  7.7 999 9999.9 1017.3 99.9 99.9 99.9            
202517311501CLSM4   39  27.2 999.9 240  5.1  7.7 999 9999.9 1017.3 99.9 99.9 99.9            
202517312001CLSM4   39  27.5 999.9 240  5.7  8.7 999 9999.9 1017.3 99.9 99.9 99.9            
202517312101CLSM4   39  27.7 999.9 250  5.1  8.7 999 9999.9 1017.3 99.9 99.9 99.9            
202517312201CLSM4   39  27.8 999.9 240  5.1  8.7 999 9999.9 1017.3 99.9 99.9 99.9            
202517312301CLSM4   39  28.1 999.9 230  5.1  7.7 999 9999.9 1017.3 99.9 99.9 99.9            
202517312401CLSM4   39  28.2 999.9 240  6.2  8.7 999 9999.9 1017.6 99.9 99.9 99.9            
202517312501CLSM4   39  28.4 999.9 250  5.7  9.3 999 9999.9 1017.6 99.9 99.9 99.9            
202517313001CLSM4   39  28.6 999.9 250  6.2  9.8 999 9999.9 1017.3 99.9 99.9 99.9            
202517313101CLSM4   39  28.9 999.9 250  5.7  9.8 999 9999.9 1017.6 99.9 99.9 99.9            
202517313201CLSM4   39  29.0 999.9 250  5.1  7.7 999 9999.9 1017.6 99.9 99.9 99.9            
202517313301CLSM4   39  29.1 999.9 240  4.6 10.3 999 9999.9 1017.6 99.9 99.9 99.9            
202517313401CLSM4   39  29.1 999.9 240  6.2  8.7 999 9999.9 1017.6 99.9 99.9 99.9            
202517313501CLSM4   39  29.2 999.9 250  3.6  8.2 999 9999.9 1017.6 99.9 99.9 99.9            
202517314001CLSM4   39  29.4 999.9 240  6.2  9.3 999 9999.9 1017.6 99.9 99.9 99.9            
202517314101CLSM4   39  29.6 999.9 240  4.6  7.7 999 9999.9 1017.6 99.9 99.9 99.9            
202517314201CLSM4   39  29.8 999.9 240  5.7  8.2 999 9999.9 1017.6 99.9 99.9 99.9            
202517314301CLSM4   39  29.9 999.9 240  5.1  8.2 999 9999.9 1017.3 99.9 99.9 99.9            
202517314401CLSM4   39  30.3 999.9 260  5.1  7.2 999 9999.9 1017.6 99.9 99.9 99.9            
202517314501CLSM4   39  30.4 999.9 240  4.6  7.2 999 9999.9 1017.3 99.9 99.9 99.9            
202517315001CLSM4   39  30.6 999.9 240  4.1  8.2 999 9999.9 1017.3 99.9 99.9 99.9            
202517315101CLSM4   39  30.8 999.9 240  6.2  9.3 999 9999.9 1017.3 99.9 99.9 99.9            
202517315201CLSM4   39  31.1 999.9 270  5.1  8.7 999 9999.9 1017.3 99.9 99.9 99.9            
202517315301CLSM4   39  31.2 999.9 250  5.7  8.2 999 9999.9 1017.3 99.9 99.9 99.9            
202517315401CLSM4   39  31.4 999.9 230  5.1  8.2 999 9999.9 1017.3 99.9 99.9 99.9            
202517315501CLSM4   39  31.5 999.9 250  5.7  9.3 999 9999.9 1017.6 99.9 99.9 99.9            
202517316001CLSM4   39  31.8 999.9 250  5.7  7.7 999 9999.9 1017.6 99.9 99.9 99.9            
202517316101CLSM4   39  31.9 999.9 240  3.1  7.2 999 9999.9 1017.6 99.9 99.9 99.9            
202517316201CLSM4   39  32.1 999.9 260  3.6  7.2 999 9999.9 1017.6 99.9 99.9 99.9            
202517316301CLSM4   39  32.2 999.9 260  4.6  6.7 999 9999.9 1017.6 99.9 99.9 99.9            
202517316401CLSM4   39  32.3 999.9 240  5.1  8.2 999 9999.9 1017.9 99.9 99.9 99.9            
202517316501CLSM4   39  32.6 999.9 240  5.7  8.2 999 9999.9 1017.9 99.9 99.9 99.9            
202517317001CLSM4   39  32.6 999.9 230  4.6  8.2 999 9999.9 1017.9 99.9 99.9 99.9            
202517317101CLSM4   39  32.7 999.9 250  6.2  7.7 999 9999.9 1017.9 99.9 99.9 99.9            
202517317201CLSM4   39  33.0 999.9 250  4.1  6.2 999 9999.9 1017.6 99.9 99.9 99.9            
202517317301CLSM4   39  32.9 999.9 220  2.6  6.7 999 9999.9 1017.6 99.9 99.9 99.9            
202517317401CLSM4   39  33.2 999.9 240  3.1  6.2 999 9999.9 1017.6 99.9 99.9 99.9            
202517317501CLSM4   39  33.4 999.9 260  4.6  7.2 999 9999.9 1017.6 99.9 99.9 99.9            
202517318101CLSM4   39  33.7 999.9 240  2.6  6.7 999 9999.9 1017.6 99.9 99.9 99.9            
202517318201CLSM4   39  33.9 999.9 270  4.6  7.2 999 9999.9 1017.6 99.9 99.9 99.9            
202517318301CLSM4   39  34.1 999.9 240  5.7  8.2 999 9999.9 1017.6 99.9 99.9 99.9            
202517318401CLSM4   39  34.1 999.9 270  5.1  7.7 999 9999.9 1017.3 99.9 99.9 99.9            
202517318501CLSM4   39  33.9 999.9 240  2.6  7.7 999 9999.9 1017.3 99.9 99.9 99.9            
202517319001CLSM4   39  34.1 999.9 250  4.6  8.2 999 9999.9 1017.3 99.9 99.9 99.9            
202517319101CLSM4   39  34.3 999.9 230  4.6  7.2 999 9999.9 1017.3 99.9 99.9 99.9            
202517319201CLSM4   39  34.6 999.9 230  4.6  7.2 999 9999.9 1016.9 99.9 99.9 99.9            
202517319301CLSM4   39  34.7 999.9 240  5.7  7.7 999 9999.9 1016.9 99.9 99.9 99.9            
202517319401CLSM4   39  34.3 999.9 250  4.1  7.7 999 9999.9 1016.9 99.9 99.9 99.9            
202517319501CLSM4   39  34.7 999.9 240  6.2  7.7 999 9999.9 1016.9 99.9 99.9 99.9            
202517320001CLSM4   39  34.7 999.9 250  6.7  8.7 999 9999.9 1016.9 99.9 99.9 99.9            
202517320101CLSM4   39  34.5 999.9 220  4.1  7.2 999 9999.9 1016.9 99.9 99.9 99.9            
202517320201CLSM4   39  34.6 999.9 210  5.7  9.3 999 9999.9 1016.9 99.9 99.9 99.9            
202517320301CLSM4   39  34.6 999.9 210  4.6  8.2 999 9999.9 1016.9 99.9 99.9 99.9            
202517320401CLSM4   39  34.5 999.9 240  5.1  8.2 999 9999.9 1016.9 99.9 99.9 99.9            
202517320501CLSM4   39  34.6 999.9 240  4.6  9.8 999 9999.9 1016.9 99.9 99.9 99.9            
202517321001CLSM4   39  34.5 999.9 190  4.1  8.2 999 9999.9 1016.9 99.9 99.9 99.9            
202517321101CLSM4   39  34.6 999.9 200  4.1  8.2 999 9999.9 1016.9 99.9 99.9 99.9            
202517321201CLSM4   39  34.6 999.9 210  5.7  8.2 999 9999.9 1016.9 99.9 99.9 99.9            
202517321301CLSM4   39  34.6 999.9 210  5.1  8.7 999 9999.9 1016.9 99.9 99.9 99.9            
202517321401CLSM4   39  34.9 999.9 210  5.1  8.7 999 9999.9 1016.9 99.9 99.9 99.9            
202517321501CLSM4   39  34.6 999.9 240  5.1  9.3 999 9999.9 1016.9 99.9 99.9 99.9            
202517322001CLSM4   39  34.6 999.9 230  3.6  9.3 999 9999.9 1016.9 99.9 99.9 99.9            
202517322101CLSM4   39  34.7 999.9 210  6.2  8.7 999 9999.9 1016.9 99.9 99.9 99.9            
202517322201CLSM4   39  34.6 999.9 210  6.7  8.7 999 9999.9 1016.6 99.9 99.9 99.9            
202517322301CLSM4   39  34.7 999.9 220  6.2  8.7 999 9999.9 1016.6 99.9 99.9 99.9            
202517322401CLSM4   39  34.6 999.9 240  5.7  7.7 999 9999.9 1016.6 99.9 99.9 99.9            
202517322501CLSM4   39  34.5 999.9 230  6.2  8.7 999 9999.9 1016.6 99.9 99.9 99.9            
202517323001CLSM4   39  34.6 999.9 230  5.1  7.2 999 9999.9 1016.6 99.9 99.9 99.9            
202517323101CLSM4   39  34.4 999.9 240  6.2  8.7 999 9999.9 1016.6 99.9 99.9 99.9            
202517323201CLSM4   39  34.4 999.9 240  5.7  8.7 999 9999.9 1016.6 99.9 99.9 99.9            
202517323301CLSM4   39  34.3 999.9 220  7.2  9.8 999 9999.9 1016.6 99.9 99.9 99.9            
202517323401CLSM4   39  34.3 999.9 240  5.7  9.3 999 9999.9 1016.6 99.9 99.9 99.9            
202517323501CLSM4   39  34.1 999.9 230  6.2  9.8 999 9999.9 1016.6 99.9 99.9 99.9
  New Graph (click on parameter):                                      
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143 matching elements
0.206 sec
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