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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: 1836 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 (109)
 (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
202510900001CHII2   19  74.8  64.8 230 36.9 43.9 999 9999.9 9999.9 99.9 99.9 99.9
202510900101CHII2   19  74.7  64.8 230 29.9 36.0 999 9999.9 9999.9 99.9 99.9 99.9
202510900201CHII2   19  74.3  64.8 230 35.0 43.0 999 9999.9 9999.9 99.9 99.9 99.9
202510900301CHII2   19  74.8  64.8 230 34.0 44.9 999 9999.9 9999.9 99.9 99.9 99.9
202510900401CHII2   19  74.5  64.6 220 30.9 36.0 999 9999.9 9999.9 99.9 99.9 99.9
202510900501CHII2   19  73.9  64.4 230 23.9 28.0 999 9999.9 9999.9 99.9 99.9 99.9
202510901001CHII2   19  74.8  64.8 230 25.1 29.0 999 9999.9 9999.9 99.9 99.9 99.9
202510901101CHII2   19  73.8  64.4 230 21.0 23.9 999 9999.9 9999.9 99.9 99.9 99.9
202510901201CHII2   19  74.3  64.6 220 22.9 26.0 999 9999.9 9999.9 99.9 99.9 99.9
202510901401CHII2   19  74.5  64.6 210 25.1 30.9 999 9999.9 9999.9 99.9 99.9 99.9
202510901501CHII2   19  74.1  64.6 220 22.9 29.0 999 9999.9 9999.9 99.9 99.9 99.9
202510902001CHII2   19  74.3  64.4 220 25.1 29.0 999 9999.9 9999.9 99.9 99.9 99.9
202510902101CHII2   19  74.5  64.8 220 28.0 29.9 999 9999.9 9999.9 99.9 99.9 99.9
202510902201CHII2   19  74.5  64.6 220 26.0 29.9 999 9999.9 9999.9 99.9 99.9 99.9
202510902301CHII2   19  74.1  64.6 210 21.0 22.9 999 9999.9 9999.9 99.9 99.9 99.9
202510902401CHII2   19  73.9  64.8 210 22.9 26.0 999 9999.9 9999.9 99.9 99.9 99.9
202510902501CHII2   19  73.8  64.4 210 25.1 28.0 999 9999.9 9999.9 99.9 99.9 99.9
202510903001CHII2   19  73.6  64.8 220 22.9 23.9 999 9999.9 9999.9 99.9 99.9 99.9
202510903101CHII2   19  73.6  64.6 220 22.0 25.1 999 9999.9 9999.9 99.9 99.9 99.9
202510903201CHII2   19  74.1  64.8 220 25.1 29.0 999 9999.9 9999.9 99.9 99.9 99.9
202510903301CHII2   19  73.9  64.6 210 26.0 29.0 999 9999.9 9999.9 99.9 99.9 99.9
202510903401CHII2   19  73.4  64.4 220 22.9 28.0 999 9999.9 9999.9 99.9 99.9 99.9
202510903501CHII2   19  72.9  64.0 230 20.0 23.9 999 9999.9 9999.9 99.9 99.9 99.9
202510904001CHII2   19  71.8  64.8 260 29.0 35.0 999 9999.9 9999.9 99.9 99.9 99.9
202510904101CHII2   19  70.5  65.1 250 25.1 34.0 999 9999.9 9999.9 99.9 99.9 99.9
202510904201CHII2   19  68.7  65.3 260 30.9 35.0 999 9999.9 9999.9 99.9 99.9 99.9
202510904301CHII2   19  66.6  64.8 250 27.0 33.0 999 9999.9 9999.9 99.9 99.9 99.9
202510904401CHII2   19  67.8  64.4 250 26.0 29.9 999 9999.9 9999.9 99.9 99.9 99.9
202510904501CHII2   19  67.5  63.3 250 23.9 29.0 999 9999.9 9999.9 99.9 99.9 99.9
202510905001CHII2   19  66.7  63.1 230 22.0 27.0 999 9999.9 9999.9 99.9 99.9 99.9
202510905101CHII2   19  66.6  63.0 240 21.0 26.0 999 9999.9 9999.9 99.9 99.9 99.9
202510905201CHII2   19  66.6  62.4 230 20.0 22.9 999 9999.9 9999.9 99.9 99.9 99.9
202510905301CHII2   19  66.6  62.1 240 22.9 29.0 999 9999.9 9999.9 99.9 99.9 99.9
202510905401CHII2   19  65.3  61.7 240 16.9 19.0 999 9999.9 9999.9 99.9 99.9 99.9
202510905501CHII2   19  64.9  61.9 240 19.0 25.1 999 9999.9 9999.9 99.9 99.9 99.9
202510906001CHII2   19  64.2  60.3 250 23.9 30.9 999 9999.9 9999.9 99.9 99.9 99.9
202510906101CHII2   19  63.7  58.6 260 29.0 35.0 999 9999.9 9999.9 99.9 99.9 99.9
202510906201CHII2   19  63.0  58.6 250 27.0 30.9 999 9999.9 9999.9 99.9 99.9 99.9
202510906301CHII2   19  62.2  58.3 250 26.0 30.9 999 9999.9 9999.9 99.9 99.9 99.9
202510906401CHII2   19  61.9  58.1 260 29.9 34.0 999 9999.9 9999.9 99.9 99.9 99.9
202510906501CHII2   19  60.8  57.7 270 27.0 29.9 999 9999.9 9999.9 99.9 99.9 99.9
202510907001CHII2   19  60.3  57.0 270 28.0 30.9 999 9999.9 9999.9 99.9 99.9 99.9
202510907101CHII2   19  59.7  56.3 270 32.1 37.9 999 9999.9 9999.9 99.9 99.9 99.9
202510907201CHII2   19  59.5  56.3 260 26.0 29.9 999 9999.9 9999.9 99.9 99.9 99.9
202510907301CHII2   19  59.2  56.3 260 21.0 22.0 999 9999.9 9999.9 99.9 99.9 99.9
202510907401CHII2   19  59.2  56.3 260 16.9 22.0 999 9999.9 9999.9 99.9 99.9 99.9
202510907501CHII2   19  58.6  56.1 270 16.9 22.9 999 9999.9 9999.9 99.9 99.9 99.9
202510908001CHII2   19  58.5  56.1 280 21.0 22.9 999 9999.9 9999.9 99.9 99.9 99.9
202510908101CHII2   19  58.3  56.5 280 21.0 23.9 999 9999.9 9999.9 99.9 99.9 99.9
202510908201CHII2   19  58.1  56.7 280 22.9 26.0 999 9999.9 9999.9 99.9 99.9 99.9
202510908301CHII2   19  57.7  57.2 290 22.9 25.1 999 9999.9 9999.9 99.9 99.9 99.9
202510908401CHII2   19  46.0 999.9 360 29.0 35.0 999 9999.9 9999.9 99.9 99.9 99.9
202510908501CHII2   19 999.9 999.9 360 26.0 28.0 999 9999.9 9999.9 99.9 99.9 99.9
202510909001CHII2   19  43.3 999.9 360 25.1 27.0 999 9999.9 9999.9 99.9 99.9 99.9
202510909101CHII2   19  43.5 999.9  10 21.0 23.9 999 9999.9 9999.9 99.9 99.9 99.9
202510909201CHII2   19  43.2 999.9  10 19.0 21.0 999 9999.9 9999.9 99.9 99.9 99.9
202510909301CHII2   19  43.2 999.9  10 16.9 20.0 999 9999.9 9999.9 99.9 99.9 99.9
202510909401CHII2   19  43.2 999.9 360 13.0 15.0 999 9999.9 9999.9 99.9 99.9 99.9
202510909501CHII2   19  43.3 999.9 360 13.0 14.0 999 9999.9 9999.9 99.9 99.9 99.9
202510910001CHII2   19  43.3 999.9 350 15.0 15.9 999 9999.9 9999.9 99.9 99.9 99.9
202510910101CHII2   19  43.3 999.9 360 13.0 15.0 999 9999.9 9999.9 99.9 99.9 99.9
202510910201CHII2   19  43.2 999.9 360 11.1 13.0 999 9999.9 9999.9 99.9 99.9 99.9
202510910301CHII2   19  43.2  43.2 360 12.1 13.0 999 9999.9 9999.9 99.9 99.9 99.9
202510910401CHII2   19  43.2  43.2 360 12.1 14.0 999 9999.9 9999.9 99.9 99.9 99.9
202510910501CHII2   19  43.2  43.2 360  9.9 12.1 999 9999.9 9999.9 99.9 99.9 99.9
202510911001CHII2   19  43.0  43.0 360 11.1 12.1 999 9999.9 9999.9 99.9 99.9 99.9
202510911101CHII2   19  42.8  42.8  10  9.9 12.1 999 9999.9 9999.9 99.9 99.9 99.9
202510911201CHII2   19  42.6  42.6 360  9.9 11.1 999 9999.9 9999.9 99.9 99.9 99.9
202510911301CHII2   19  42.4  42.4 360 11.1 12.1 999 9999.9 9999.9 99.9 99.9 99.9
202510911401CHII2   19  42.4  42.4 360 12.1 14.0 999 9999.9 9999.9 99.9 99.9 99.9
202510911501CHII2   19  42.4  42.4  10  9.9 11.1 999 9999.9 9999.9 99.9 99.9 99.9
202510912001CHII2   19  42.3  42.3  10  8.9 11.1 999 9999.9 9999.9 99.9 99.9 99.9
202510912101CHII2   19  42.1  42.1 360 11.1 13.0 999 9999.9 9999.9 99.9 99.9 99.9
202510912201CHII2   19  42.1  42.1  10 11.1 13.0 999 9999.9 9999.9 99.9 99.9 99.9
202510912301CHII2   19  42.1  42.1  40  8.9  9.9 999 9999.9 9999.9 99.9 99.9 99.9
202510912401CHII2   19  42.3  42.3  20  8.0  8.9 999 9999.9 9999.9 99.9 99.9 99.9
202510912501CHII2   19  42.3  42.3  10  8.0  8.9 999 9999.9 9999.9 99.9 99.9 99.9
202510913001CHII2   19  42.3  42.3 350  8.9  9.9 999 9999.9 9999.9 99.9 99.9 99.9
202510913101CHII2   19  42.3  42.3 360  6.0  7.0 999 9999.9 9999.9 99.9 99.9 99.9
202510913201CHII2   19  42.3  42.3 360  7.0  7.0 999 9999.9 9999.9 99.9 99.9 99.9
202510913301CHII2   19  42.3  42.3  10  6.0  7.0 999 9999.9 9999.9 99.9 99.9 99.9
202510913401CHII2   19  42.3  42.3  10  5.1  5.1 999 9999.9 9999.9 99.9 99.9 99.9
202510913501CHII2   19  42.3  42.3 360  5.1  5.1 999 9999.9 9999.9 99.9 99.9 99.9
202510914001CHII2   19  42.4  42.4 350  4.1  4.1 999 9999.9 9999.9 99.9 99.9 99.9
202510914101CHII2   19  42.6  42.6 360  2.9  5.1 999 9999.9 9999.9 99.9 99.9 99.9
202510914201CHII2   19  42.6  42.6 360  2.9  4.1 999 9999.9 9999.9 99.9 99.9 99.9
202510914401CHII2   19  42.6  42.6  40  4.1  4.1 999 9999.9 9999.9 99.9 99.9 99.9
202510914501CHII2   19  42.8  42.8  20  4.1  5.1 999 9999.9 9999.9 99.9 99.9 99.9
202510915001CHII2   19  42.6  42.6  40  2.9  2.9 999 9999.9 9999.9 99.9 99.9 99.9
202510915101CHII2   19  43.0  43.0  10  1.9  2.9 999 9999.9 9999.9 99.9 99.9 99.9
202510915201CHII2   19  43.0  43.0  10  2.9  2.9 999 9999.9 9999.9 99.9 99.9 99.9
202510915301CHII2   19  43.0  43.0  20  2.9  4.1 999 9999.9 9999.9 99.9 99.9 99.9
202510915401CHII2   19  43.0  43.0  10  1.9  2.9 999 9999.9 9999.9 99.9 99.9 99.9
202510915501CHII2   19  43.2  43.2  10  1.9  2.9 999 9999.9 9999.9 99.9 99.9 99.9
202510916001CHII2   19  43.3  43.3  20  1.9  4.1 999 9999.9 9999.9 99.9 99.9 99.9
202510916101CHII2   19  43.3  43.3  40  1.9  1.9 999 9999.9 9999.9 99.9 99.9 99.9
202510916201CHII2   19  44.4  44.4   0  0.0  0.0 999 9999.9 9999.9 99.9 99.9 99.9
202510916301CHII2   19  44.8  44.8 150  1.9  2.9 999 9999.9 9999.9 99.9 99.9 99.9
202510916401CHII2   19  44.2  44.2 180  4.1  5.1 999 9999.9 9999.9 99.9 99.9 99.9
202510916501CHII2   19  44.2  44.2 180  6.0  7.0 999 9999.9 9999.9 99.9 99.9 99.9
202510917101CHII2   19  44.2  44.2 190  6.0  7.0 999 9999.9 9999.9 99.9 99.9 99.9
202510917201CHII2   19  44.6  44.6 180  5.1  5.1 999 9999.9 9999.9 99.9 99.9 99.9
202510917301CHII2   19  44.8  44.8 190  4.1  4.1 999 9999.9 9999.9 99.9 99.9 99.9
202510917401CHII2   19  45.0  45.0 230  1.0  1.9 999 9999.9 9999.9 99.9 99.9 99.9
202510917501CHII2   19  45.3  45.3 190  1.0  1.9 999 9999.9 9999.9 99.9 99.9 99.9
202510918001CHII2   19  45.3  45.3 180  4.1  5.1 999 9999.9 9999.9 99.9 99.9 99.9
  New Graph (click on parameter):                                      
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106 matching elements
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This Web page created and maintained by Greg Lang, NOAA/GLERL,
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