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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: 0440 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 (018)
 (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 202501800001CHII2 19 47.8 38.3 200 33.0 36.0 999 9999.9 9999.9 99.9 99.9 99.9 202501800101CHII2 19 47.7 38.3 210 33.0 37.9 999 9999.9 9999.9 99.9 99.9 99.9 202501800201CHII2 19 47.1 38.3 210 29.0 32.1 999 9999.9 9999.9 99.9 99.9 99.9 202501800301CHII2 19 46.9 38.1 210 30.9 35.0 999 9999.9 9999.9 99.9 99.9 99.9 202501800401CHII2 19 46.6 38.1 210 29.9 34.0 999 9999.9 9999.9 99.9 99.9 99.9 202501800501CHII2 19 46.2 38.1 210 29.0 32.1 999 9999.9 9999.9 99.9 99.9 99.9 202501801001CHII2 19 46.4 38.1 210 30.9 36.9 999 9999.9 9999.9 99.9 99.9 99.9 202501801101CHII2 19 46.2 38.1 210 30.9 35.0 999 9999.9 9999.9 99.9 99.9 99.9 202501801201CHII2 19 46.2 38.1 210 28.0 30.9 999 9999.9 9999.9 99.9 99.9 99.9 202501801301CHII2 19 46.6 38.1 210 29.0 30.9 999 9999.9 9999.9 99.9 99.9 99.9 202501801401CHII2 19 46.8 38.3 210 29.0 34.0 999 9999.9 9999.9 99.9 99.9 99.9 202501801501CHII2 19 46.9 38.1 200 30.9 35.0 999 9999.9 9999.9 99.9 99.9 99.9 202501802001CHII2 19 47.1 38.1 210 32.1 36.9 999 9999.9 9999.9 99.9 99.9 99.9 202501802101CHII2 19 46.9 38.1 210 29.0 32.1 999 9999.9 9999.9 99.9 99.9 99.9 202501802201CHII2 19 46.6 38.3 210 29.9 34.0 999 9999.9 9999.9 99.9 99.9 99.9 202501802301CHII2 19 46.8 38.3 200 29.0 30.9 999 9999.9 9999.9 99.9 99.9 99.9 202501802401CHII2 19 46.6 38.3 210 27.0 33.0 999 9999.9 9999.9 99.9 99.9 99.9 202501802501CHII2 19 46.9 38.3 210 29.0 35.0 999 9999.9 9999.9 99.9 99.9 99.9 202501803001CHII2 19 46.9 38.3 210 26.0 29.9 999 9999.9 9999.9 99.9 99.9 99.9 202501803101CHII2 19 47.3 38.5 210 26.0 28.0 999 9999.9 9999.9 99.9 99.9 99.9 202501803201CHII2 19 47.3 38.5 210 27.0 34.0 999 9999.9 9999.9 99.9 99.9 99.9 202501803301CHII2 19 47.7 38.7 210 27.0 29.9 999 9999.9 9999.9 99.9 99.9 99.9 202501803401CHII2 19 48.0 38.7 220 29.0 32.1 999 9999.9 9999.9 99.9 99.9 99.9 202501803501CHII2 19 47.8 38.8 210 27.0 30.9 999 9999.9 9999.9 99.9 99.9 99.9 202501804001CHII2 19 47.8 38.8 210 28.0 35.0 999 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
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