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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 (316)
 (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            C     C  Deg  m/s  m/s  %   W/m2    mb     C    m    s
202526000001CHII2   19  21.8  17.6  40  3.1  3.1 999 9999.9 9999.9 99.9 99.9 99.9            
202526001001CHII2   19  21.7  17.8  50  2.6  2.6 999 9999.9 9999.9 99.9 99.9 99.9            
202526001101CHII2   19  21.7  18.0  40  2.1  2.1 999 9999.9 9999.9 99.9 99.9 99.9            
202526001201CHII2   19  21.6  18.1  40  2.1  2.1 999 9999.9 9999.9 99.9 99.9 99.9            
202526001301CHII2   19  21.6  18.2  10  1.5  1.5 999 9999.9 9999.9 99.9 99.9 99.9            
202526001401CHII2   19  21.6  18.5 330  1.5  2.1 999 9999.9 9999.9 99.9 99.9 99.9            
202526001501CHII2   19  21.6  18.4 350  2.1  2.1 999 9999.9 9999.9 99.9 99.9 99.9            
202526002001CHII2   19  21.5  18.7 360  1.5  2.1 999 9999.9 9999.9 99.9 99.9 99.9            
202526002101CHII2   19  21.5  18.8 360  1.5  1.5 999 9999.9 9999.9 99.9 99.9 99.9            
202526002201CHII2   19  21.4  18.8  10  1.5  1.5 999 9999.9 9999.9 99.9 99.9 99.9            
202526002301CHII2   19  21.5  18.4  40  2.1  2.1 999 9999.9 9999.9 99.9 99.9 99.9            
202526002401CHII2   19  21.4  18.6  50  2.1  2.6 999 9999.9 9999.9 99.9 99.9 99.9            
202526002501CHII2   19  21.4  18.1  60  2.1  2.1 999 9999.9 9999.9 99.9 99.9 99.9            
202526003001CHII2   19  21.4  18.1  60  2.1  2.1 999 9999.9 9999.9 99.9 99.9 99.9            
202526003101CHII2   19  21.4  18.1  50  1.5  2.1 999 9999.9 9999.9 99.9 99.9 99.9            
202526003201CHII2   19  21.4  18.1  50  1.5  1.5 999 9999.9 9999.9 99.9 99.9 99.9            
202526003301CHII2   19  21.3  18.3  40  1.5  2.1 999 9999.9 9999.9 99.9 99.9 99.9            
202526003401CHII2   19  21.4  18.2  60  2.1  2.6 999 9999.9 9999.9 99.9 99.9 99.9            
202526003501CHII2   19  21.3  18.4  70  2.1  2.6 999 9999.9 9999.9 99.9 99.9 99.9            
202526004001CHII2   19  21.2  18.4  60  2.1  2.1 999 9999.9 9999.9 99.9 99.9 99.9            
202526004101CHII2   19  21.3  18.3  70  2.6  2.6 999 9999.9 9999.9 99.9 99.9 99.9            
202526004201CHII2   19  21.3  18.1  70  2.1  2.6 999 9999.9 9999.9 99.9 99.9 99.9            
202526004301CHII2   19  21.5  17.9  80  2.6  2.6 999 9999.9 9999.9 99.9 99.9 99.9            
202526004401CHII2   19  21.5  17.9  80  1.5  2.1 999 9999.9 9999.9 99.9 99.9 99.9            
202526004501CHII2   19  21.5  17.8  70  1.5  1.5 999 9999.9 9999.9 99.9 99.9 99.9            
202526005001CHII2   19  21.5  17.6  90  2.1  2.6 999 9999.9 9999.9 99.9 99.9 99.9            
202526005101CHII2   19  21.6  17.5  90  3.6  3.6 999 9999.9 9999.9 99.9 99.9 99.9            
202526005301CHII2   19  21.5  17.7  90  3.6  4.6 999 9999.9 9999.9 99.9 99.9 99.9            
202526005401CHII2   19  21.5  17.6  90  3.6  4.6 999 9999.9 9999.9 99.9 99.9 99.9            
202526005501CHII2   19  21.5  17.7  90  3.6  4.1 999 9999.9 9999.9 99.9 99.9 99.9            
202526006001CHII2   19  21.5  17.6 100  3.1  3.1 999 9999.9 9999.9 99.9 99.9 99.9            
202526006101CHII2   19  21.5  17.6 100  3.1  3.1 999 9999.9 9999.9 99.9 99.9 99.9            
202526006201CHII2   19  21.4  17.8  90  2.6  3.1 999 9999.9 9999.9 99.9 99.9 99.9            
202526006301CHII2   19  21.4  17.4  90  3.1  3.1 999 9999.9 9999.9 99.9 99.9 99.9            
202526006401CHII2   19  21.4  17.7  90  2.6  3.1 999 9999.9 9999.9 99.9 99.9 99.9            
202526006501CHII2   19  21.4  17.5  90  3.6  4.1 999 9999.9 9999.9 99.9 99.9 99.9            
202526007001CHII2   19  21.3  17.6  90  3.1  3.6 999 9999.9 9999.9 99.9 99.9 99.9            
202526007101CHII2   19  21.4  17.3  80  3.1  3.6 999 9999.9 9999.9 99.9 99.9 99.9            
202526007201CHII2   19  21.3  17.6  80  2.6  3.1 999 9999.9 9999.9 99.9 99.9 99.9            
202526007301CHII2   19  21.3  17.7  70  2.1  2.6 999 9999.9 9999.9 99.9 99.9 99.9            
202526007401CHII2   19  21.3  17.6  50  1.5  2.1 999 9999.9 9999.9 99.9 99.9 99.9            
202526007501CHII2   19  21.3  17.9  40  1.5  2.1 999 9999.9 9999.9 99.9 99.9 99.9            
202526008001CHII2   19  21.3  17.8  50  2.1  2.6 999 9999.9 9999.9 99.9 99.9 99.9            
202526008101CHII2   19  21.3  17.9  40  2.1  2.1 999 9999.9 9999.9 99.9 99.9 99.9            
202526008201CHII2   19  21.3  18.1  40  2.1  2.6 999 9999.9 9999.9 99.9 99.9 99.9            
202526008301CHII2   19  21.3  18.2  50  2.6  3.1 999 9999.9 9999.9 99.9 99.9 99.9            
202526008401CHII2   19  21.2  18.4  50  2.1  2.6 999 9999.9 9999.9 99.9 99.9 99.9            
202526008501CHII2   19  21.2  18.2  50  2.6  2.6 999 9999.9 9999.9 99.9 99.9 99.9            
202526009001CHII2   19  21.2  18.2  50  2.6  2.6 999 9999.9 9999.9 99.9 99.9 99.9            
202526009101CHII2   19  21.2  18.2  30  2.1  2.1 999 9999.9 9999.9 99.9 99.9 99.9            
202526009201CHII2   19  21.1  18.2  30  1.5  2.1 999 9999.9 9999.9 99.9 99.9 99.9            
202526009301CHII2   19  21.2  18.3  40  2.1  2.1 999 9999.9 9999.9 99.9 99.9 99.9            
202526009401CHII2   19  21.0  18.1  60  2.6  3.1 999 9999.9 9999.9 99.9 99.9 99.9            
202526009501CHII2   19  21.1  18.4  50  2.6  2.6 999 9999.9 9999.9 99.9 99.9 99.9            
202526010001CHII2   19  21.1  18.3  40  2.1  2.6 999 9999.9 9999.9 99.9 99.9 99.9            
202526010101CHII2   19  21.1  18.6  40  2.1  2.1 999 9999.9 9999.9 99.9 99.9 99.9            
202526010201CHII2   19  21.1  18.0  50  3.1  3.1 999 9999.9 9999.9 99.9 99.9 99.9            
202526010301CHII2   19  21.0  18.3  60  3.1  3.6 999 9999.9 9999.9 99.9 99.9 99.9            
202526010401CHII2   19  21.0  18.3  60  3.1  3.1 999 9999.9 9999.9 99.9 99.9 99.9            
202526010501CHII2   19  21.0  17.9  70  3.6  3.6 999 9999.9 9999.9 99.9 99.9 99.9            
202526011001CHII2   19  21.0  17.9  80  4.1  4.1 999 9999.9 9999.9 99.9 99.9 99.9            
202526011101CHII2   19  21.0  17.6  80  4.1  4.1 999 9999.9 9999.9 99.9 99.9 99.9            
202526011201CHII2   19  21.0  18.1  70  3.1  3.6 999 9999.9 9999.9 99.9 99.9 99.9            
202526011301CHII2   19  20.9  18.3  70  2.6  3.1 999 9999.9 9999.9 99.9 99.9 99.9            
202526011401CHII2   19  20.8  18.2  70  2.6  2.6 999 9999.9 9999.9 99.9 99.9 99.9            
202526011501CHII2   19  20.9  18.0  50  2.1  2.6 999 9999.9 9999.9 99.9 99.9 99.9            
202526012001CHII2   19  21.0  18.3  40  2.1  2.1 999 9999.9 9999.9 99.9 99.9 99.9            
202526012101CHII2   19  21.0  17.9  70  2.6  2.6 999 9999.9 9999.9 99.9 99.9 99.9            
202526012201CHII2   19  21.0  18.2  50  2.1  2.1 999 9999.9 9999.9 99.9 99.9 99.9            
202526012301CHII2   19  21.3  18.2  70  1.5  2.1 999 9999.9 9999.9 99.9 99.9 99.9            
202526012401CHII2   19  21.2  18.2  50  1.5  1.5 999 9999.9 9999.9 99.9 99.9 99.9            
202526012501CHII2   19  21.5  18.1  60  2.1  2.1 999 9999.9 9999.9 99.9 99.9 99.9            
202526013001CHII2   19  21.3  18.3  40  1.5  1.5 999 9999.9 9999.9 99.9 99.9 99.9            
202526013101CHII2   19  21.1  18.4 360  1.5  1.5 999 9999.9 9999.9 99.9 99.9 99.9            
202526013201CHII2   19  21.1  18.5  30  1.0  1.5 999 9999.9 9999.9 99.9 99.9 99.9            
202526013301CHII2   19  21.1  18.5  30  1.5  1.5 999 9999.9 9999.9 99.9 99.9 99.9            
202526013401CHII2   19  21.0  18.6  10  1.5  2.1 999 9999.9 9999.9 99.9 99.9 99.9            
202526013501CHII2   19  21.0  18.3  40  2.1  2.1 999 9999.9 9999.9 99.9 99.9 99.9            
202526014001CHII2   19  21.3  18.4  70  2.1  2.6 999 9999.9 9999.9 99.9 99.9 99.9            
202526014101CHII2   19  21.2  18.6  90  2.1  2.6 999 9999.9 9999.9 99.9 99.9 99.9            
202526014201CHII2   19  21.1  18.7 100  2.1  2.6 999 9999.9 9999.9 99.9 99.9 99.9            
202526014301CHII2   19  21.1  18.7 100  2.1  2.6 999 9999.9 9999.9 99.9 99.9 99.9            
202526014401CHII2   19  21.3  18.8  90  1.5  1.5 999 9999.9 9999.9 99.9 99.9 99.9            
202526014501CHII2   19  21.3  18.7 100  2.1  2.1 999 9999.9 9999.9 99.9 99.9 99.9            
202526015001CHII2   19  21.4  18.7 100  1.5  2.1 999 9999.9 9999.9 99.9 99.9 99.9            
202526015101CHII2   19  21.7  18.5 100  1.5  2.1 999 9999.9 9999.9 99.9 99.9 99.9            
202526015201CHII2   19  21.9  18.4 100  1.0  1.5 999 9999.9 9999.9 99.9 99.9 99.9            
202526015301CHII2   19  21.8  18.5  90  1.0  1.5 999 9999.9 9999.9 99.9 99.9 99.9            
202526015401CHII2   19  21.7  18.5  80  1.0  1.0 999 9999.9 9999.9 99.9 99.9 99.9            
202526015501CHII2   19  21.7  18.7  60  1.0  1.5 999 9999.9 9999.9 99.9 99.9 99.9            
202526016001CHII2   19  21.3  18.6  40  1.5  1.5 999 9999.9 9999.9 99.9 99.9 99.9            
202526016101CHII2   19  21.6  18.4  60  1.5  2.1 999 9999.9 9999.9 99.9 99.9 99.9            
202526016201CHII2   19  21.7  18.6  70  2.1  2.6 999 9999.9 9999.9 99.9 99.9 99.9            
202526016301CHII2   19  21.4  18.4  60  2.1  2.1 999 9999.9 9999.9 99.9 99.9 99.9            
202526016401CHII2   19  21.3  18.3  50  2.1  2.6 999 9999.9 9999.9 99.9 99.9 99.9            
202526016501CHII2   19  21.3  18.6  50  2.6  2.6 999 9999.9 9999.9 99.9 99.9 99.9            
202526017001CHII2   19  21.3  18.6  40  2.1  2.1 999 9999.9 9999.9 99.9 99.9 99.9            
202526017101CHII2   19  21.3  18.6  30  2.6  2.6 999 9999.9 9999.9 99.9 99.9 99.9            
202526017201CHII2   19  21.3  18.6  50  2.6  3.1 999 9999.9 9999.9 99.9 99.9 99.9            
202526017301CHII2   19  21.4  18.7  50  3.1  3.1 999 9999.9 9999.9 99.9 99.9 99.9            
202526017401CHII2   19  21.4  18.5  50  3.1  3.1 999 9999.9 9999.9 99.9 99.9 99.9            
202526017501CHII2   19  21.4  18.7  40  2.6  3.1 999 9999.9 9999.9 99.9 99.9 99.9            
202526018001CHII2   19  21.6  18.6  60  2.6  3.1 999 9999.9 9999.9 99.9 99.9 99.9            
202526018101CHII2   19  21.6  18.4  50  3.1  3.1 999 9999.9 9999.9 99.9 99.9 99.9            
202526018201CHII2   19  21.9  18.6  70  2.6  3.1 999 9999.9 9999.9 99.9 99.9 99.9            
202526018301CHII2   19  21.8  18.4  60  3.1  3.1 999 9999.9 9999.9 99.9 99.9 99.9            
202526018401CHII2   19  21.7  18.7  50  2.6  3.1 999 9999.9 9999.9 99.9 99.9 99.9            
202526018501CHII2   19  21.7  19.1  50  3.1  3.1 999 9999.9 9999.9 99.9 99.9 99.9            
202526019001CHII2   19  21.6  18.8  40  3.1  3.1 999 9999.9 9999.9 99.9 99.9 99.9            
202526019101CHII2   19  21.7  18.9  40  2.6  3.1 999 9999.9 9999.9 99.9 99.9 99.9            
202526019201CHII2   19  21.7  19.1  40  2.6  2.6 999 9999.9 9999.9 99.9 99.9 99.9            
202526019301CHII2   19  21.8  19.0  40  2.6  3.1 999 9999.9 9999.9 99.9 99.9 99.9            
202526019401CHII2   19  21.9  18.6  40  2.6  2.6 999 9999.9 9999.9 99.9 99.9 99.9            
202526019501CHII2   19  21.9  18.8  30  3.1  3.1 999 9999.9 9999.9 99.9 99.9 99.9            
202526020001CHII2   19  22.0  18.9  40  3.1  3.6 999 9999.9 9999.9 99.9 99.9 99.9            
202526020101CHII2   19  22.1  18.6  50  3.6  3.6 999 9999.9 9999.9 99.9 99.9 99.9            
202526020201CHII2   19  22.1  18.3  40  3.6  3.6 999 9999.9 9999.9 99.9 99.9 99.9            
202526020301CHII2   19  22.2  18.6  50  2.6  3.1 999 9999.9 9999.9 99.9 99.9 99.9            
202526020401CHII2   19  22.4  18.2  60  3.1  3.6 999 9999.9 9999.9 99.9 99.9 99.9            
202526020501CHII2   19  22.6  18.3  60  2.6  3.1 999 9999.9 9999.9 99.9 99.9 99.9            
202526021001CHII2   19  22.6  18.2  60  3.1  3.1 999 9999.9 9999.9 99.9 99.9 99.9            
202526021101CHII2   19  22.6  18.3  60  3.1  3.6 999 9999.9 9999.9 99.9 99.9 99.9            
202526021201CHII2   19  22.6  18.2  60  3.1  3.6 999 9999.9 9999.9 99.9 99.9 99.9            
202526021301CHII2   19  22.8  18.5  70  2.6  3.1 999 9999.9 9999.9 99.9 99.9 99.9            
202526021401CHII2   19  22.8  17.9  60  3.1  3.6 999 9999.9 9999.9 99.9 99.9 99.9            
202526021501CHII2   19  22.8  18.1  70  3.6  4.1 999 9999.9 9999.9 99.9 99.9 99.9            
202526022001CHII2   19  22.7  18.5  60  4.1  4.6 999 9999.9 9999.9 99.9 99.9 99.9            
202526022101CHII2   19  22.7  18.4  60  4.1  4.6 999 9999.9 9999.9 99.9 99.9 99.9            
202526022201CHII2   19  22.8  18.4  60  4.1  4.1 999 9999.9 9999.9 99.9 99.9 99.9            
202526022301CHII2   19  22.9  18.2  70  3.6  4.1 999 9999.9 9999.9 99.9 99.9 99.9            
202526022401CHII2   19  22.8  18.9  70  2.1  2.6 999 9999.9 9999.9 99.9 99.9 99.9            
202526022501CHII2   19  22.9  19.2 300  2.1  2.1 999 9999.9 9999.9 99.9 99.9 99.9            
202526023001CHII2   19  22.8  18.9 330  1.5  1.5 999 9999.9 9999.9 99.9 99.9 99.9            
202526023101CHII2   19  22.7  18.9 350  1.5  1.5 999 9999.9 9999.9 99.9 99.9 99.9            
202526023201CHII2   19  22.6  18.7 360  1.5  1.5 999 9999.9 9999.9 99.9 99.9 99.9
  New Graph (click on parameter):                                      
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135 matching elements
0.063 sec
This Web page created and maintained by Greg Lang, NOAA/GLERL,
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