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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 (315)
 (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 202525400001CHII2 19 21.6 16.7 70 4.6 5.1 999 9999.9 9999.9 99.9 99.9 99.9 202525400101CHII2 19 21.4 17.0 60 4.6 4.6 999 9999.9 9999.9 99.9 99.9 99.9 202525400201CHII2 19 21.3 17.5 60 4.6 4.6 999 9999.9 9999.9 99.9 99.9 99.9 202525400301CHII2 19 21.2 17.4 70 4.6 4.6 999 9999.9 9999.9 99.9 99.9 99.9 202525400401CHII2 19 21.1 17.7 60 4.1 4.6 999 9999.9 9999.9 99.9 99.9 99.9 202525400501CHII2 19 21.2 17.3 60 4.1 4.6 999 9999.9 9999.9 99.9 99.9 99.9 202525401001CHII2 19 21.2 17.0 70 4.6 5.1 999 9999.9 9999.9 99.9 99.9 99.9 202525401101CHII2 19 21.1 17.1 70 4.1 4.6 999 9999.9 9999.9 99.9 99.9 99.9 202525401201CHII2 19 21.1 17.1 60 4.1 4.6 999 9999.9 9999.9 99.9 99.9 99.9 202525401301CHII2 19 21.1 17.1 70 4.1 4.1 999 9999.9 9999.9 99.9 99.9 99.9 202525401401CHII2 19 21.1 17.0 70 4.1 4.6 999 9999.9 9999.9 99.9 99.9 99.9 202525401501CHII2 19 21.1 17.2 70 3.6 4.1 999 9999.9 9999.9 99.9 99.9 99.9 202525402001CHII2 19 21.1 16.9 70 3.6 3.6 999 9999.9 9999.9 99.9 99.9 99.9 202525402101CHII2 19 21.2 16.8 30 1.0 1.5 999 9999.9 9999.9 99.9 99.9 99.9 202525402201CHII2 19 20.9 17.2 330 3.1 3.6 999 9999.9 9999.9 99.9 99.9 99.9 202525402301CHII2 19 21.1 17.0 360 2.6 3.1 999 9999.9 9999.9 99.9 99.9 99.9 202525402401CHII2 19 21.1 16.7 30 2.6 3.1 999 9999.9 9999.9 99.9 99.9 99.9 202525402501CHII2 19 21.2 16.6 30 2.6 3.1 999 9999.9 9999.9 99.9 99.9 99.9 202525403001CHII2 19 21.2 16.7 40 2.6 2.6 999 9999.9 9999.9 99.9 99.9 99.9 202525403101CHII2 19 21.1 16.7 30 2.6 3.1 999 9999.9 9999.9 99.9 99.9 99.9 202525403201CHII2 19 21.0 17.2 30 2.6 3.1 999 9999.9 9999.9 99.9 99.9 99.9 202525403301CHII2 19 20.8 17.1 30 2.6 3.1 999 9999.9 9999.9 99.9 99.9 99.9 202525403401CHII2 19 20.7 17.1 20 3.1 3.6 999 9999.9 9999.9 99.9 99.9 99.9 202525403501CHII2 19 20.7 17.2 30 3.1 3.1 999 9999.9 9999.9 99.9 99.9 99.9 202525404101CHII2 19 20.7 17.4 30 2.6 3.1 999 9999.9 9999.9 99.9 99.9 99.9 202525404201CHII2 19 20.6 17.6 30 3.1 3.6 999 9999.9 9999.9 99.9 99.9 99.9 202525404301CHII2 19 20.7 17.2 40 3.6 4.1 999 9999.9 9999.9 99.9 99.9 99.9 202525404401CHII2 19 20.7 17.1 60 3.6 4.1 999 9999.9 9999.9 99.9 99.9 99.9 202525404501CHII2 19 20.6 17.5 50 3.6 3.6 999 9999.9 9999.9 99.9 99.9 99.9 202525405001CHII2 19 20.5 17.4 40 3.6 3.6 999 9999.9 9999.9 99.9 99.9 99.9 202525405101CHII2 19 20.5 17.4 30 3.6 4.1 999 9999.9 9999.9 99.9 99.9 99.9 202525405201CHII2 19 20.5 17.6 40 2.6 2.6 999 9999.9 9999.9 99.9 99.9 99.9 202525405301CHII2 19 20.5 17.3 50 2.6 3.1 999 9999.9 9999.9 99.9 99.9 99.9 202525405401CHII2 19 20.5 17.4 50 2.6 3.1 999 9999.9 9999.9 99.9 99.9 99.9 202525405501CHII2 19 20.5 17.6 50 2.6 2.6 999 9999.9 9999.9 99.9 99.9 99.9 202525406001CHII2 19 20.5 17.7 50 3.1 3.1 999 9999.9 9999.9 99.9 99.9 99.9 202525406101CHII2 19 20.5 17.7 50 3.1 3.6 999 9999.9 9999.9 99.9 99.9 99.9 202525406201CHII2 19 20.5 17.6 60 3.6 4.1 999 9999.9 9999.9 99.9 99.9 99.9 202525406301CHII2 19 20.5 17.7 70 3.6 3.6 999 9999.9 9999.9 99.9 99.9 99.9 202525406401CHII2 19 20.5 17.9 70 3.1 3.6 999 9999.9 9999.9 99.9 99.9 99.9 202525406501CHII2 19 20.4 17.7 60 3.1 3.6 999 9999.9 9999.9 99.9 99.9 99.9 202525407001CHII2 19 20.5 17.6 60 2.6 3.1 999 9999.9 9999.9 99.9 99.9 99.9 202525407101CHII2 19 20.5 17.5 60 2.1 2.6 999 9999.9 9999.9 99.9 99.9 99.9 202525407201CHII2 19 20.6 16.9 60 2.1 2.6 999 9999.9 9999.9 99.9 99.9 99.9 202525407301CHII2 19 20.7 16.9 70 2.1 2.6 999 9999.9 9999.9 99.9 99.9 99.9 202525407401CHII2 19 20.6 16.7 70 2.1 2.6 999 9999.9 9999.9 99.9 99.9 99.9 202525407501CHII2 19 20.7 16.9 40 2.1 2.6 999 9999.9 9999.9 99.9 99.9 99.9 202525408001CHII2 19 20.6 16.9 40 2.6 3.1 999 9999.9 9999.9 99.9 99.9 99.9 202525408101CHII2 19 20.5 17.4 40 2.1 2.6 999 9999.9 9999.9 99.9 99.9 99.9 202525408201CHII2 19 20.5 17.1 50 2.6 2.6 999 9999.9 9999.9 99.9 99.9 99.9 202525408301CHII2 19 20.5 17.1 50 2.6 2.6 999 9999.9 9999.9 99.9 99.9 99.9 202525408401CHII2 19 20.5 17.4 50 2.6 2.6 999 9999.9 9999.9 99.9 99.9 99.9 202525408501CHII2 19 20.6 16.9 50 3.1 3.6 999 9999.9 9999.9 99.9 99.9 99.9 202525409001CHII2 19 20.5 16.9 60 3.6 3.6 999 9999.9 9999.9 99.9 99.9 99.9 202525409101CHII2 19 20.5 17.4 50 2.6 3.1 999 9999.9 9999.9 99.9 99.9 99.9 202525409201CHII2 19 20.4 17.3 50 3.1 3.1 999 9999.9 9999.9 99.9 99.9 99.9 202525409301CHII2 19 20.4 17.5 50 3.1 3.6 999 9999.9 9999.9 99.9 99.9 99.9 202525409401CHII2 19 20.3 17.7 50 3.1 3.6 999 9999.9 9999.9 99.9 99.9 99.9 202525409501CHII2 19 20.4 17.5 60 3.6 3.6 999 9999.9 9999.9 99.9 99.9 99.9 202525410001CHII2 19 20.3 17.5 60 4.1 4.1 999 9999.9 9999.9 99.9 99.9 99.9 202525410101CHII2 19 20.3 17.5 60 3.6 4.1 999 9999.9 9999.9 99.9 99.9 99.9 202525410201CHII2 19 20.3 17.6 70 3.6 3.6 999 9999.9 9999.9 99.9 99.9 99.9 202525410301CHII2 19 20.3 17.9 50 3.6 3.6 999 9999.9 9999.9 99.9 99.9 99.9 202525410401CHII2 19 20.2 17.6 50 3.6 4.1 999 9999.9 9999.9 99.9 99.9 99.9 202525410501CHII2 19 20.2 17.8 60 3.6 4.1 999 9999.9 9999.9 99.9 99.9 99.9 202525411001CHII2 19 20.1 17.8 60 3.6 3.6 999 9999.9 9999.9 99.9 99.9 99.9 202525411101CHII2 19 20.1 17.9 70 3.6 4.1 999 9999.9 9999.9 99.9 99.9 99.9 202525411201CHII2 19 20.1 17.8 70 3.6 4.1 999 9999.9 9999.9 99.9 99.9 99.9 202525411301CHII2 19 20.2 17.8 60 3.6 3.6 999 9999.9 9999.9 99.9 99.9 99.9 202525411401CHII2 19 20.3 17.5 70 4.1 4.1 999 9999.9 9999.9 99.9 99.9 99.9 202525411501CHII2 19 20.2 17.4 60 3.6 4.1 999 9999.9 9999.9 99.9 99.9 99.9 202525412001CHII2 19 20.3 16.9 60 4.1 4.1 999 9999.9 9999.9 99.9 99.9 99.9 202525412101CHII2 19 20.3 17.3 60 4.1 4.1 999 9999.9 9999.9 99.9 99.9 99.9 202525412201CHII2 19 20.3 17.6 60 4.1 4.1 999 9999.9 9999.9 99.9 99.9 99.9 202525412301CHII2 19 20.3 17.1 60 4.1 4.1 999 9999.9 9999.9 99.9 99.9 99.9 202525413001CHII2 19 20.2 17.4 40 3.6 3.6 999 9999.9 9999.9 99.9 99.9 99.9 202525413101CHII2 19 20.3 17.4 40 4.1 4.1 999 9999.9 9999.9 99.9 99.9 99.9 202525413201CHII2 19 20.2 17.9 40 4.1 4.1 999 9999.9 9999.9 99.9 99.9 99.9 202525413301CHII2 19 20.2 17.7 40 4.6 4.6 999 9999.9 9999.9 99.9 99.9 99.9 202525413401CHII2 19 20.2 17.6 50 4.1 4.6 999 9999.9 9999.9 99.9 99.9 99.9 202525413501CHII2 19 20.3 17.4 40 4.1 4.6 999 9999.9 9999.9 99.9 99.9 99.9 202525414001CHII2 19 20.3 17.5 50 4.6 4.6 999 9999.9 9999.9 99.9 99.9 99.9 202525414101CHII2 19 20.3 17.5 40 4.1 4.6 999 9999.9 9999.9 99.9 99.9 99.9 202525414201CHII2 19 20.3 17.2 40 4.1 4.1 999 9999.9 9999.9 99.9 99.9 99.9 202525414301CHII2 19 20.4 17.5 30 4.1 4.1 999 9999.9 9999.9 99.9 99.9 99.9 202525414401CHII2 19 20.3 17.3 30 4.1 4.1 999 9999.9 9999.9 99.9 99.9 99.9 202525414501CHII2 19 20.3 17.6 30 3.6 4.1 999 9999.9 9999.9 99.9 99.9 99.9 202525415001CHII2 19 20.3 17.7 30 3.6 3.6 999 9999.9 9999.9 99.9 99.9 99.9 202525415101CHII2 19 20.3 17.5 30 3.6 4.1 999 9999.9 9999.9 99.9 99.9 99.9 202525415201CHII2 19 20.3 17.4 20 5.1 5.1 999 9999.9 9999.9 99.9 99.9 99.9 202525415301CHII2 19 20.3 17.3 20 4.6 5.1 999 9999.9 9999.9 99.9 99.9 99.9 202525415401CHII2 19 20.2 17.5 30 4.6 5.1 999 9999.9 9999.9 99.9 99.9 99.9 202525415501CHII2 19 20.2 17.3 20 5.1 5.7 999 9999.9 9999.9 99.9 99.9 99.9 202525416001CHII2 19 20.1 17.3 30 5.7 5.7 999 9999.9 9999.9 99.9 99.9 99.9 202525416101CHII2 19 20.0 17.7 30 5.7 5.7 999 9999.9 9999.9 99.9 99.9 99.9 202525416201CHII2 19 19.9 17.7 30 5.7 6.2 999 9999.9 9999.9 99.9 99.9 99.9 202525416301CHII2 19 19.8 17.8 20 5.1 6.2 999 9999.9 9999.9 99.9 99.9 99.9 202525416401CHII2 19 19.9 17.6 30 5.1 5.7 999 9999.9 9999.9 99.9 99.9 99.9 202525416501CHII2 19 19.9 18.0 20 4.6 5.1 999 9999.9 9999.9 99.9 99.9 99.9 202525417001CHII2 19 19.9 17.6 20 5.1 5.1 999 9999.9 9999.9 99.9 99.9 99.9 202525417101CHII2 19 19.9 17.5 20 5.1 5.7 999 9999.9 9999.9 99.9 99.9 99.9 202525417201CHII2 19 19.9 17.6 20 4.6 5.1 999 9999.9 9999.9 99.9 99.9 99.9 202525417301CHII2 19 19.9 17.5 20 4.6 5.1 999 9999.9 9999.9 99.9 99.9 99.9 202525417401CHII2 19 19.9 17.5 20 5.1 5.1 999 9999.9 9999.9 99.9 99.9 99.9 202525417501CHII2 19 19.9 17.7 20 5.1 5.7 999 9999.9 9999.9 99.9 99.9 99.9 202525418001CHII2 19 19.9 17.6 20 5.1 5.7 999 9999.9 9999.9 99.9 99.9 99.9 202525418101CHII2 19 19.8 17.6 20 5.7 5.7 999 9999.9 9999.9 99.9 99.9 99.9 202525418201CHII2 19 19.9 17.5 20 5.7 5.7 999 9999.9 9999.9 99.9 99.9 99.9 202525418301CHII2 19 19.9 17.4 30 5.1 5.7 999 9999.9 9999.9 99.9 99.9 99.9 202525418401CHII2 19 19.9 17.5 20 5.1 5.7 999 9999.9 9999.9 99.9 99.9 99.9 202525418501CHII2 19 19.9 17.3 30 4.6 5.1 999 9999.9 9999.9 99.9 99.9 99.9 202525419101CHII2 19 20.0 17.3 30 5.1 5.1 999 9999.9 9999.9 99.9 99.9 99.9 202525419201CHII2 19 20.0 17.1 20 5.7 5.7 999 9999.9 9999.9 99.9 99.9 99.9 202525419301CHII2 19 19.9 17.2 20 5.7 6.2 999 9999.9 9999.9 99.9 99.9 99.9 202525419401CHII2 19 19.9 17.3 20 5.7 6.2 999 9999.9 9999.9 99.9 99.9 99.9 202525419501CHII2 19 19.9 17.3 20 5.7 5.7 999 9999.9 9999.9 99.9 99.9 99.9 202525420001CHII2 19 19.9 17.4 30 5.7 6.2 999 9999.9 9999.9 99.9 99.9 99.9 202525420101CHII2 19 19.9 17.3 30 5.7 6.2 999 9999.9 9999.9 99.9 99.9 99.9 202525420201CHII2 19 19.9 17.7 20 5.7 6.2 999 9999.9 9999.9 99.9 99.9 99.9 202525420301CHII2 19 19.9 17.0 20 5.7 6.2 999 9999.9 9999.9 99.9 99.9 99.9 202525420401CHII2 19 19.9 17.1 20 5.7 5.7 999 9999.9 9999.9 99.9 99.9 99.9 202525420501CHII2 19 19.9 17.2 30 5.1 5.7 999 9999.9 9999.9 99.9 99.9 99.9 202525421001CHII2 19 19.9 17.3 20 5.1 5.7 999 9999.9 9999.9 99.9 99.9 99.9 202525421101CHII2 19 19.8 17.1 30 5.7 6.2 999 9999.9 9999.9 99.9 99.9 99.9 202525421201CHII2 19 19.9 17.2 30 5.7 5.7 999 9999.9 9999.9 99.9 99.9 99.9 202525421301CHII2 19 19.9 17.0 40 5.7 6.2 999 9999.9 9999.9 99.9 99.9 99.9 202525421401CHII2 19 19.9 17.0 30 5.1 5.7 999 9999.9 9999.9 99.9 99.9 99.9 202525421501CHII2 19 19.9 17.2 30 5.1 5.7 999 9999.9 9999.9 99.9 99.9 99.9 202525422001CHII2 19 19.9 17.1 40 5.7 5.7 999 9999.9 9999.9 99.9 99.9 99.9 202525422301CHII2 19 20.0 17.1 30 5.1 5.7 999 9999.9 9999.9 99.9 99.9 99.9 202525422401CHII2 19 20.0 17.3 20 5.1 5.7 999 9999.9 9999.9 99.9 99.9 99.9 202525422501CHII2 19 19.9 17.5 10 5.7 6.2 999 9999.9 9999.9 99.9 99.9 99.9 202525423001CHII2 19 19.9 17.2 10 5.7 6.2 999 9999.9 9999.9 99.9 99.9 99.9 202525423101CHII2 19 19.9 17.5 20 5.1 5.7 999 9999.9 9999.9 99.9 99.9 99.9 202525423201CHII2 19 19.8 17.3 20 5.1 5.7 999 9999.9 9999.9 99.9 99.9 99.9 202525423301CHII2 19 19.9 17.2 360 5.1 5.1 999 9999.9 9999.9 99.9 99.9 99.9 202525423401CHII2 19 19.8 16.9 20 5.7 5.7 999 9999.9 9999.9 99.9 99.9 99.9 202525423501CHII2 19 19.8 17.1 10 5.7 5.7 999 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
google chart
  [every 3rd data value plotted]
138 matching elements
0.039 sec

This Web page created and maintained by Greg Lang, NOAA/GLERL,
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