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Realtime Great Lakes Weather Data and Marine Observations

 CHII2: GLERL Chicago IL                                  
CMAN Station
Lat: 41.92°, Lon: -87.57°
Elevation: 176 m
Anemometer Height: 26 m
Related Site: NDBC
Related Site: GLERL

Current Time: 0145 GMT
Station Types
(Click on name to view all stations for that type)
White MarkerAll Stations
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 (338)
 (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            F     F  Deg  kts  kts  %   W/m2   inHg    F    ft   s
202433800001CHII2   19  26.4  19.8 310 14.0 15.9 999 9999.9 9999.9 99.9 99.9 99.9
202433800101CHII2   19  26.6  19.8 300 14.0 15.9 999 9999.9 9999.9 99.9 99.9 99.9
202433800201CHII2   19  27.0  20.7 310 15.0 16.9 999 9999.9 9999.9 99.9 99.9 99.9
202433800301CHII2   19  27.0  20.7 300 15.9 18.1 999 9999.9 9999.9 99.9 99.9 99.9
202433800401CHII2   19  27.5  20.7 300 18.1 20.0 999 9999.9 9999.9 99.9 99.9 99.9
202433800501CHII2   19  27.1  19.6 310 13.0 15.0 999 9999.9 9999.9 99.9 99.9 99.9
  New Graph (click on parameter):                                      
  at | dp | wd | ws | wg | cc | sr | bp | wt | wvh | wvp
google chart
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This Web page created and maintained by Greg Lang, NOAA/GLERL,
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