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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
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 (342)
 (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
202431700001CHII2   19  50.0  35.6 340 22.9 26.0 999 9999.9 9999.9 99.9 99.9 99.9
202431700101CHII2   19  49.6  36.3 340 27.0 32.1 999 9999.9 9999.9 99.9 99.9 99.9
202431700201CHII2   19  49.3  35.2 330 25.1 28.0 999 9999.9 9999.9 99.9 99.9 99.9
202431700301CHII2   19  49.5  36.3 340 26.0 29.0 999 9999.9 9999.9 99.9 99.9 99.9
202431700401CHII2   19  49.5  36.0 350 22.9 27.0 999 9999.9 9999.9 99.9 99.9 99.9
202431700501CHII2   19  49.3  36.0 340 28.0 32.1 999 9999.9 9999.9 99.9 99.9 99.9
202431701001CHII2   19  49.5  37.8 360 22.9 26.0 999 9999.9 9999.9 99.9 99.9 99.9
202431701101CHII2   19  49.3  36.1 360 28.0 30.9 999 9999.9 9999.9 99.9 99.9 99.9
202431701201CHII2   19  49.3  37.2 350 26.0 29.9 999 9999.9 9999.9 99.9 99.9 99.9
202431701301CHII2   19  48.7  35.1 360 28.0 33.0 999 9999.9 9999.9 99.9 99.9 99.9
202431701401CHII2   19  48.9  37.2  10 26.0 28.0 999 9999.9 9999.9 99.9 99.9 99.9
202431701501CHII2   19  49.1  38.1 350 22.9 27.0 999 9999.9 9999.9 99.9 99.9 99.9
202431702001CHII2   19  48.9  36.3  10 27.0 29.9 999 9999.9 9999.9 99.9 99.9 99.9
202431702101CHII2   19  48.9  36.9 360 23.9 28.0 999 9999.9 9999.9 99.9 99.9 99.9
202431702201CHII2   19  48.9  37.0  10 26.0 29.0 999 9999.9 9999.9 99.9 99.9 99.9
202431702301CHII2   19  49.1  38.1 360 23.9 27.0 999 9999.9 9999.9 99.9 99.9 99.9
202431702401CHII2   19  49.3  39.0 350 25.1 27.0 999 9999.9 9999.9 99.9 99.9 99.9
202431702501CHII2   19  49.3  38.7  10 27.0 29.9 999 9999.9 9999.9 99.9 99.9 99.9
202431703001CHII2   19  49.5  38.3  10 26.0 28.0 999 9999.9 9999.9 99.9 99.9 99.9
202431703101CHII2   19  49.8  40.1  10 27.0 30.9 999 9999.9 9999.9 99.9 99.9 99.9
202431703201CHII2   19  49.6  39.6 360 23.9 27.0 999 9999.9 9999.9 99.9 99.9 99.9
202431703301CHII2   19  50.0  41.0  10 23.9 30.9 999 9999.9 9999.9 99.9 99.9 99.9
202431703401CHII2   19  49.6  39.9  20 28.0 30.9 999 9999.9 9999.9 99.9 99.9 99.9
202431703501CHII2   19  50.0  41.2 360 26.0 30.9 999 9999.9 9999.9 99.9 99.9 99.9
202431704001CHII2   19  49.5  40.3  10 20.0 28.0 999 9999.9 9999.9 99.9 99.9 99.9
202431704101CHII2   19  49.6  40.8  20 21.0 25.1 999 9999.9 9999.9 99.9 99.9 99.9
202431704201CHII2   19  50.0  41.5 360 22.9 27.0 999 9999.9 9999.9 99.9 99.9 99.9
202431704301CHII2   19  49.8  40.3  10 23.9 28.0 999 9999.9 9999.9 99.9 99.9 99.9
202431704401CHII2   19  49.8  40.5  10 21.0 25.1 999 9999.9 9999.9 99.9 99.9 99.9
202431704501CHII2   19  49.8  41.7  20 26.0 29.0 999 9999.9 9999.9 99.9 99.9 99.9
202431705001CHII2   19  49.6  42.6 360 25.1 28.0 999 9999.9 9999.9 99.9 99.9 99.9
202431705101CHII2   19  49.1  42.3  20 23.9 29.9 999 9999.9 9999.9 99.9 99.9 99.9
202431705201CHII2   19  49.1  42.6  20 21.0 22.0 999 9999.9 9999.9 99.9 99.9 99.9
202431705301CHII2   19  48.7  42.8  20 25.1 27.0 999 9999.9 9999.9 99.9 99.9 99.9
202431705401CHII2   19  49.3  40.3  10 21.0 22.9 999 9999.9 9999.9 99.9 99.9 99.9
202431705501CHII2   19  49.8  41.7  20 22.9 26.0 999 9999.9 9999.9 99.9 99.9 99.9
202431706001CHII2   19  49.6  42.1  10 23.9 26.0 999 9999.9 9999.9 99.9 99.9 99.9
202431706101CHII2   19  49.6  43.0  10 21.0 25.1 999 9999.9 9999.9 99.9 99.9 99.9
202431706201CHII2   19  50.0  41.9  20 23.9 29.0 999 9999.9 9999.9 99.9 99.9 99.9
202431706301CHII2   19  50.4  41.4  30 22.0 26.0 999 9999.9 9999.9 99.9 99.9 99.9
202431706401CHII2   19  49.8  40.5  20 25.1 27.0 999 9999.9 9999.9 99.9 99.9 99.9
202431706501CHII2   19  49.3  42.4 360 21.0 23.9 999 9999.9 9999.9 99.9 99.9 99.9
202431707001CHII2   19  48.7  43.2  20 27.0 29.0 999 9999.9 9999.9 99.9 99.9 99.9
202431707101CHII2   19  48.6  43.5 360 20.0 22.0 999 9999.9 9999.9 99.9 99.9 99.9
202431707201CHII2   19  49.5  42.3  20 20.0 22.0 999 9999.9 9999.9 99.9 99.9 99.9
202431707301CHII2   19  49.3  43.7  10 20.0 21.0 999 9999.9 9999.9 99.9 99.9 99.9
202431707401CHII2   19  50.5  43.5  30 22.0 25.1 999 9999.9 9999.9 99.9 99.9 99.9
202431707501CHII2   19  50.7  43.2  20 20.0 22.9 999 9999.9 9999.9 99.9 99.9 99.9
202431708001CHII2   19  50.4  43.3  30 22.0 25.1 999 9999.9 9999.9 99.9 99.9 99.9
202431708101CHII2   19  50.5  42.6  40 22.9 25.1 999 9999.9 9999.9 99.9 99.9 99.9
202431708201CHII2   19  50.5  42.8  40 22.0 23.9 999 9999.9 9999.9 99.9 99.9 99.9
202431708301CHII2   19  50.5  41.7  50 25.1 28.0 999 9999.9 9999.9 99.9 99.9 99.9
202431708401CHII2   19  50.4  41.0  50 26.0 27.0 999 9999.9 9999.9 99.9 99.9 99.9
202431708501CHII2   19  50.4  41.4  50 27.0 29.9 999 9999.9 9999.9 99.9 99.9 99.9
202431709001CHII2   19  50.0  41.5  50 26.0 28.0 999 9999.9 9999.9 99.9 99.9 99.9
202431709101CHII2   19  50.2  42.4  50 22.9 26.0 999 9999.9 9999.9 99.9 99.9 99.9
202431709201CHII2   19  49.8  40.6  60 23.9 27.0 999 9999.9 9999.9 99.9 99.9 99.9
202431709301CHII2   19  49.3  39.2  50 20.0 22.9 999 9999.9 9999.9 99.9 99.9 99.9
202431709401CHII2   19  49.3  39.4  40 22.9 23.9 999 9999.9 9999.9 99.9 99.9 99.9
202431709501CHII2   19  49.6  40.6  50 18.1 20.0 999 9999.9 9999.9 99.9 99.9 99.9
202431710001CHII2   19  49.3  39.4  50 21.0 23.9 999 9999.9 9999.9 99.9 99.9 99.9
202431710101CHII2   19  49.3  39.2  50 19.0 21.0 999 9999.9 9999.9 99.9 99.9 99.9
202431710201CHII2   19  49.3  39.0  50 22.0 23.9 999 9999.9 9999.9 99.9 99.9 99.9
202431710301CHII2   19  49.3  40.5  50 19.0 22.9 999 9999.9 9999.9 99.9 99.9 99.9
202431710401CHII2   19  48.9  39.7  50 21.0 25.1 999 9999.9 9999.9 99.9 99.9 99.9
202431710501CHII2   19  48.7  39.0  50 22.9 25.1 999 9999.9 9999.9 99.9 99.9 99.9
202431711001CHII2   19  48.7  39.7  60 21.0 22.9 999 9999.9 9999.9 99.9 99.9 99.9
202431711101CHII2   19  48.4  39.2  70 22.0 22.9 999 9999.9 9999.9 99.9 99.9 99.9
202431711201CHII2   19  48.4  38.1  60 20.0 22.0 999 9999.9 9999.9 99.9 99.9 99.9
202431711301CHII2   19  48.6  39.0  70 16.9 21.0 999 9999.9 9999.9 99.9 99.9 99.9
202431711401CHII2   19  48.2  39.0  50 15.0 16.9 999 9999.9 9999.9 99.9 99.9 99.9
202431711501CHII2   19  48.2  39.2  70 14.0 15.0 999 9999.9 9999.9 99.9 99.9 99.9
202431712001CHII2   19  48.2  39.9  70 18.1 19.0 999 9999.9 9999.9 99.9 99.9 99.9
202431712101CHII2   19  48.2  40.8  80 15.0 18.1 999 9999.9 9999.9 99.9 99.9 99.9
202431712201CHII2   19  47.8  40.3  60 18.1 21.0 999 9999.9 9999.9 99.9 99.9 99.9
202431712301CHII2   19  47.7  38.7  70 15.9 21.0 999 9999.9 9999.9 99.9 99.9 99.9
202431712401CHII2   19  47.8  39.9  50 16.9 21.0 999 9999.9 9999.9 99.9 99.9 99.9
202431712501CHII2   19  47.7  39.0  70 15.0 18.1 999 9999.9 9999.9 99.9 99.9 99.9
202431713001CHII2   19  47.5  38.8  70 15.0 18.1 999 9999.9 9999.9 99.9 99.9 99.9
202431713101CHII2   19  47.8  40.3  70 15.9 20.0 999 9999.9 9999.9 99.9 99.9 99.9
202431713201CHII2   19  47.3  39.7  70 18.1 21.0 999 9999.9 9999.9 99.9 99.9 99.9
202431713301CHII2   19  47.7  40.5  60 16.9 19.0 999 9999.9 9999.9 99.9 99.9 99.9
202431713401CHII2   19  46.8  38.7  70 18.1 21.0 999 9999.9 9999.9 99.9 99.9 99.9
202431713501CHII2   19  47.1  39.4  80 15.9 20.0 999 9999.9 9999.9 99.9 99.9 99.9
202431714001CHII2   19  47.3  40.3  90 15.9 20.0 999 9999.9 9999.9 99.9 99.9 99.9
202431714101CHII2   19  47.1  39.4  80 19.0 22.0 999 9999.9 9999.9 99.9 99.9 99.9
202431714201CHII2   19  46.6  39.0  90 19.0 21.0 999 9999.9 9999.9 99.9 99.9 99.9
202431714301CHII2   19  46.6  39.6  90 18.1 22.0 999 9999.9 9999.9 99.9 99.9 99.9
202431714401CHII2   19  46.6  39.6  90 15.9 18.1 999 9999.9 9999.9 99.9 99.9 99.9
202431714501CHII2   19  46.6  39.2  90 15.0 16.9 999 9999.9 9999.9 99.9 99.9 99.9
202431715101CHII2   19  46.8  38.8  90 16.9 19.0 999 9999.9 9999.9 99.9 99.9 99.9
202431715201CHII2   19  46.6  39.4 100 15.0 18.1 999 9999.9 9999.9 99.9 99.9 99.9
202431715301CHII2   19  46.4  38.8  90 13.0 15.0 999 9999.9 9999.9 99.9 99.9 99.9
202431715401CHII2   19  46.8  40.5  90 11.1 14.0 999 9999.9 9999.9 99.9 99.9 99.9
202431715501CHII2   19  46.8  39.4 100 13.0 15.9 999 9999.9 9999.9 99.9 99.9 99.9
202431716001CHII2   19  46.6  38.5  90 12.1 14.0 999 9999.9 9999.9 99.9 99.9 99.9
  New Graph (click on parameter):                                      
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96 matching elements
0.041 sec
This Web page created and maintained by Greg Lang, NOAA/GLERL,
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