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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: 0708 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 (345)
 (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   202534500001CHII2 19 30.6 19.6 310 19.0 99.9 999 9999.9 9999.9 99.9 99.9 99.9 202534500101CHII2 19 30.6 19.9 310 22.9 99.9 999 9999.9 9999.9 99.9 99.9 99.9 202534500201CHII2 19 30.4 19.4 330 19.0 99.9 999 9999.9 9999.9 99.9 99.9 99.9 202534500301CHII2 19 30.6 20.8 320 15.9 99.9 999 9999.9 9999.9 99.9 99.9 99.9 202534500401CHII2 19 30.4 19.0 320 19.0 99.9 999 9999.9 9999.9 99.9 99.9 99.9 202534500501CHII2 19 30.4 19.9 320 18.1 99.9 999 9999.9 9999.9 99.9 99.9 99.9 202534501001CHII2 19 30.4 20.5 320 15.9 99.9 999 9999.9 9999.9 99.9 99.9 99.9 202534501101CHII2 19 30.2 19.4 330 19.0 99.9 999 9999.9 9999.9 99.9 99.9 99.9 202534501201CHII2 19 30.2 20.1 320 18.1 99.9 999 9999.9 9999.9 99.9 99.9 99.9 202534501301CHII2 19 30.0 19.6 320 18.1 99.9 999 9999.9 9999.9 99.9 99.9 99.9 202534501401CHII2 19 29.7 19.4 320 18.1 99.9 999 9999.9 9999.9 99.9 99.9 99.9 202534501501CHII2 19 29.7 19.0 330 18.1 99.9 999 9999.9 9999.9 99.9 99.9 99.9 202534502001CHII2 19 29.7 19.0 330 20.0 99.9 999 9999.9 9999.9 99.9 99.9 99.9 202534502101CHII2 19 29.7 19.6 320 19.0 99.9 999 9999.9 9999.9 99.9 99.9 99.9 202534502201CHII2 19 29.3 18.9 330 18.1 99.9 999 9999.9 9999.9 99.9 99.9 99.9 202534502301CHII2 19 29.3 19.4 320 20.0 99.9 999 9999.9 9999.9 99.9 99.9 99.9 202534502401CHII2 19 29.1 18.0 330 18.1 99.9 999 9999.9 9999.9 99.9 99.9 99.9 202534502501CHII2 19 28.9 17.2 320 19.0 99.9 999 9999.9 9999.9 99.9 99.9 99.9 202534503001CHII2 19 29.1 18.7 330 18.1 99.9 999 9999.9 9999.9 99.9 99.9 99.9 202534503101CHII2 19 29.1 18.3 330 18.1 99.9 999 9999.9 9999.9 99.9 99.9 99.9 202534503201CHII2 19 28.9 17.6 320 15.9 99.9 999 9999.9 9999.9 99.9 99.9 99.9 202534503301CHII2 19 28.8 17.4 330 16.9 99.9 999 9999.9 9999.9 99.9 99.9 99.9 202534503401CHII2 19 28.6 16.9 330 15.9 99.9 999 9999.9 9999.9 99.9 99.9 99.9 202534503501CHII2 19 28.8 17.6 340 15.9 99.9 999 9999.9 9999.9 99.9 99.9 99.9 202534504001CHII2 19 28.6 17.2 330 16.9 99.9 999 9999.9 9999.9 99.9 99.9 99.9 202534504101CHII2 19 28.6 16.7 320 15.0 99.9 999 9999.9 9999.9 99.9 99.9 99.9 202534504201CHII2 19 28.8 17.4 320 15.9 99.9 999 9999.9 9999.9 99.9 99.9 99.9 202534504301CHII2 19 28.6 16.9 330 15.0 99.9 999 9999.9 9999.9 99.9 99.9 99.9 202534504401CHII2 19 28.6 17.1 330 15.9 99.9 999 9999.9 9999.9 99.9 99.9 99.9 202534504501CHII2 19 28.4 16.5 340 14.0 99.9 999 9999.9 9999.9 99.9 99.9 99.9 202534505001CHII2 19 28.4 17.1 330 14.0 99.9 999 9999.9 9999.9 99.9 99.9 99.9 202534505101CHII2 19 28.2 15.6 330 15.0 99.9 999 9999.9 9999.9 99.9 99.9 99.9 202534505201CHII2 19 28.2 15.8 320 15.0 99.9 999 9999.9 9999.9 99.9 99.9 99.9 202534505301CHII2 19 28.2 16.2 320 13.0 99.9 999 9999.9 9999.9 99.9 99.9 99.9 202534505401CHII2 19 28.2 16.3 320 11.1 99.9 999 9999.9 9999.9 99.9 99.9 99.9 202534505501CHII2 19 28.0 16.3 310 13.0 99.9 999 9999.9 9999.9 99.9 99.9 99.9 202534506001CHII2 19 28.2 16.7 310 18.1 99.9 999 9999.9 9999.9 99.9 99.9 99.9
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