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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 (184)
 (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 202505400001CHII2 19 34.5 14.2 230 21.0 25.1 999 9999.9 9999.9 99.9 99.9 99.9 202505400101CHII2 19 34.5 15.4 230 18.1 21.0 999 9999.9 9999.9 99.9 99.9 99.9 202505400201CHII2 19 34.5 15.3 240 15.0 21.0 999 9999.9 9999.9 99.9 99.9 99.9 202505400301CHII2 19 34.7 14.5 230 15.0 19.0 999 9999.9 9999.9 99.9 99.9 99.9 202505400401CHII2 19 34.7 15.8 230 15.0 20.0 999 9999.9 9999.9 99.9 99.9 99.9 202505400501CHII2 19 34.7 16.3 230 14.0 19.0 999 9999.9 9999.9 99.9 99.9 99.9 202505401001CHII2 19 34.7 16.5 230 9.9 15.9 999 9999.9 9999.9 99.9 99.9 99.9 202505401101CHII2 19 34.7 16.7 240 9.9 14.0 999 9999.9 9999.9 99.9 99.9 99.9 202505401201CHII2 19 34.7 16.9 240 9.9 13.0 999 9999.9 9999.9 99.9 99.9 99.9 202505401301CHII2 19 34.9 15.4 240 14.0 16.9 999 9999.9 9999.9 99.9 99.9 99.9 202505401401CHII2 19 34.9 16.0 240 15.9 18.1 999 9999.9 9999.9 99.9 99.9 99.9 202505401501CHII2 19 34.9 16.0 240 15.0 22.0 999 9999.9 9999.9 99.9 99.9 99.9 202505402001CHII2 19 34.9 17.1 230 14.0 16.9 999 9999.9 9999.9 99.9 99.9 99.9 202505402101CHII2 19 35.1 17.1 240 15.9 19.0 999 9999.9 9999.9 99.9 99.9 99.9 202505402201CHII2 19 34.9 17.6 250 9.9 12.1 999 9999.9 9999.9 99.9 99.9 99.9 202505402301CHII2 19 34.9 18.0 240 14.0 16.9 999 9999.9 9999.9 99.9 99.9 99.9 202505402401CHII2 19 34.9 18.1 240 13.0 18.1 999 9999.9 9999.9 99.9 99.9 99.9 202505402501CHII2 19 34.7 19.2 240 9.9 13.0 999 9999.9 9999.9 99.9 99.9 99.9 202505403001CHII2 19 34.7 18.7 240 12.1 14.0 999 9999.9 9999.9 99.9 99.9 99.9 202505403101CHII2 19 34.7 18.9 250 14.0 20.0 999 9999.9 9999.9 99.9 99.9 99.9 202505403201CHII2 19 34.5 19.2 240 13.0 15.0 999 9999.9 9999.9 99.9 99.9 99.9 202505403301CHII2 19 34.7 19.2 240 12.1 15.0 999 9999.9 9999.9 99.9 99.9 99.9 202505403401CHII2 19 34.7 19.0 230 12.1 15.0 999 9999.9 9999.9 99.9 99.9 99.9 202505403501CHII2 19 34.7 18.3 230 15.0 18.1 999 9999.9 9999.9 99.9 99.9 99.9 202505404001CHII2 19 34.9 18.5 230 14.0 15.0 999 9999.9 9999.9 99.9 99.9 99.9 202505404101CHII2 19 34.7 19.0 250 13.0 16.9 999 9999.9 9999.9 99.9 99.9 99.9 202505404201CHII2 19 34.5 19.0 240 12.1 15.0 999 9999.9 9999.9 99.9 99.9 99.9 202505404301CHII2 19 34.5 18.7 240 12.1 19.0 999 9999.9 9999.9 99.9 99.9 99.9 202505404401CHII2 19 34.5 18.5 240 16.9 22.0 999 9999.9 9999.9 99.9 99.9 99.9 202505404501CHII2 19 34.3 19.0 250 8.0 9.9 999 9999.9 9999.9 99.9 99.9 99.9 202505405001CHII2 19 34.2 19.8 240 8.9 11.1 999 9999.9 9999.9 99.9 99.9 99.9 202505405101CHII2 19 33.6 20.5 220 9.9 11.1 999 9999.9 9999.9 99.9 99.9 99.9 202505405201CHII2 19 33.3 20.7 210 12.1 14.0 999 9999.9 9999.9 99.9 99.9 99.9 202505405301CHII2 19 33.3 20.1 210 11.1 14.0 999 9999.9 9999.9 99.9 99.9 99.9 202505405401CHII2 19 32.9 20.3 210 13.0 16.9 999 9999.9 9999.9 99.9 99.9 99.9 202505405501CHII2 19 32.4 20.5 200 13.0 14.0 999 9999.9 9999.9 99.9 99.9 99.9 202505406001CHII2 19 32.4 19.6 200 14.0 15.9 999 9999.9 9999.9 99.9 99.9 99.9 202505406101CHII2 19 32.0 21.0 200 12.1 14.0 999 9999.9 9999.9 99.9 99.9 99.9 202505406201CHII2 19 32.0 20.1 210 11.1 13.0 999 9999.9 9999.9 99.9 99.9 99.9 202505406401CHII2 19 31.6 19.9 200 12.1 14.0 999 9999.9 9999.9 99.9 99.9 99.9 202505406501CHII2 19 31.5 19.8 210 12.1 13.0 999 9999.9 9999.9 99.9 99.9 99.9 202505407001CHII2 19 31.3 19.4 200 12.1 13.0 999 9999.9 9999.9 99.9 99.9 99.9 202505407101CHII2 19 31.1 19.8 200 13.0 14.0 999 9999.9 9999.9 99.9 99.9 99.9 202505407201CHII2 19 30.9 20.3 200 13.0 14.0 999 9999.9 9999.9 99.9 99.9 99.9 202505407301CHII2 19 30.7 19.6 210 13.0 14.0 999 9999.9 9999.9 99.9 99.9 99.9 202505407401CHII2 19 30.7 20.1 200 13.0 15.0 999 9999.9 9999.9 99.9 99.9 99.9 202505407501CHII2 19 30.9 20.1 210 15.0 15.9 999 9999.9 9999.9 99.9 99.9 99.9 202505408001CHII2 19 30.4 20.1 210 15.9 18.1 999 9999.9 9999.9 99.9 99.9 99.9 202505408101CHII2 19 30.4 20.3 210 15.0 16.9 999 9999.9 9999.9 99.9 99.9 99.9 202505408201CHII2 19 30.4 19.8 210 15.0 16.9 999 9999.9 9999.9 99.9 99.9 99.9 202505408301CHII2 19 30.4 20.3 210 14.0 15.9 999 9999.9 9999.9 99.9 99.9 99.9 202505408401CHII2 19 31.1 19.9 220 11.1 13.0 999 9999.9 9999.9 99.9 99.9 99.9 202505408501CHII2 19 31.3 19.9 220 12.1 14.0 999 9999.9 9999.9 99.9 99.9 99.9 202505409001CHII2 19 30.6 20.7 210 14.0 15.0 999 9999.9 9999.9 99.9 99.9 99.9 202505409101CHII2 19 31.3 20.3 220 11.1 13.0 999 9999.9 9999.9 99.9 99.9 99.9 202505409201CHII2 19 31.3 21.2 230 8.0 12.1 999 9999.9 9999.9 99.9 99.9 99.9 202505409301CHII2 19 31.6 20.1 240 9.9 13.0 999 9999.9 9999.9 99.9 99.9 99.9 202505409401CHII2 19 31.1 19.9 260 15.9 18.1 999 9999.9 9999.9 99.9 99.9 99.9 202505409501CHII2 19 30.9 19.8 270 15.0 18.1 999 9999.9 9999.9 99.9 99.9 99.9 202505410001CHII2 19 30.9 19.8 260 15.0 18.1 999 9999.9 9999.9 99.9 99.9 99.9 202505410101CHII2 19 30.7 19.9 270 12.1 13.0 999 9999.9 9999.9 99.9 99.9 99.9 202505410201CHII2 19 30.6 20.5 270 8.9 9.9 999 9999.9 9999.9 99.9 99.9 99.9 202505410401CHII2 19 30.9 20.1 260 8.9 9.9 999 9999.9 9999.9 99.9 99.9 99.9 202505410501CHII2 19 30.9 21.7 220 7.0 8.0 999 9999.9 9999.9 99.9 99.9 99.9 202505411001CHII2 19 30.2 21.9 200 9.9 12.1 999 9999.9 9999.9 99.9 99.9 99.9 202505411101CHII2 19 29.8 21.9 190 11.1 12.1 999 9999.9 9999.9 99.9 99.9 99.9 202505411201CHII2 19 29.3 21.2 190 11.1 12.1 999 9999.9 9999.9 99.9 99.9 99.9 202505411301CHII2 19 28.9 21.4 190 13.0 14.0 999 9999.9 9999.9 99.9 99.9 99.9 202505411401CHII2 19 29.1 22.1 200 13.0 15.0 999 9999.9 9999.9 99.9 99.9 99.9 202505411501CHII2 19 28.8 21.7 200 12.1 13.0 999 9999.9 9999.9 99.9 99.9 99.9 202505412001CHII2 19 28.8 21.7 200 12.1 13.0 999 9999.9 9999.9 99.9 99.9 99.9 202505412101CHII2 19 28.6 22.1 190 12.1 13.0 999 9999.9 9999.9 99.9 99.9 99.9 202505412201CHII2 19 28.4 21.9 190 14.0 14.0 999 9999.9 9999.9 99.9 99.9 99.9 202505412301CHII2 19 28.4 22.5 190 12.1 13.0 999 9999.9 9999.9 99.9 99.9 99.9 202505412401CHII2 19 28.4 22.3 190 9.9 11.1 999 9999.9 9999.9 99.9 99.9 99.9 202505412501CHII2 19 28.6 22.1 190 12.1 12.1 999 9999.9 9999.9 99.9 99.9 99.9 202505413001CHII2 19 28.8 21.9 200 15.0 15.9 999 9999.9 9999.9 99.9 99.9 99.9 202505413101CHII2 19 28.8 22.1 200 15.9 16.9 999 9999.9 9999.9 99.9 99.9 99.9 202505413201CHII2 19 28.8 21.6 190 15.9 18.1 999 9999.9 9999.9 99.9 99.9 99.9 202505413301CHII2 19 28.8 21.7 200 15.0 15.9 999 9999.9 9999.9 99.9 99.9 99.9 202505413401CHII2 19 28.8 21.4 190 15.0 15.9 999 9999.9 9999.9 99.9 99.9 99.9 202505413501CHII2 19 28.9 21.6 190 15.9 16.9 999 9999.9 9999.9 99.9 99.9 99.9 202505414001CHII2 19 28.9 20.8 190 19.0 20.0 999 9999.9 9999.9 99.9 99.9 99.9 202505414101CHII2 19 28.9 21.7 190 15.9 16.9 999 9999.9 9999.9 99.9 99.9 99.9 202505414201CHII2 19 28.9 21.7 190 16.9 18.1 999 9999.9 9999.9 99.9 99.9 99.9 202505414301CHII2 19 29.1 21.2 200 16.9 18.1 999 9999.9 9999.9 99.9 99.9 99.9 202505414401CHII2 19 29.8 21.6 210 15.9 16.9 999 9999.9 9999.9 99.9 99.9 99.9 202505414501CHII2 19 29.7 20.8 210 15.0 15.9 999 9999.9 9999.9 99.9 99.9 99.9 202505415001CHII2 19 29.7 21.0 210 15.9 16.9 999 9999.9 9999.9 99.9 99.9 99.9 202505415101CHII2 19 30.0 21.6 210 15.0 15.9 999 9999.9 9999.9 99.9 99.9 99.9 202505415201CHII2 19 30.2 21.4 210 16.9 19.0 999 9999.9 9999.9 99.9 99.9 99.9 202505415301CHII2 19 30.6 20.7 210 16.9 18.1 999 9999.9 9999.9 99.9 99.9 99.9 202505415401CHII2 19 30.7 20.7 200 15.9 16.9 999 9999.9 9999.9 99.9 99.9 99.9 202505415501CHII2 19 31.1 20.8 200 15.9 16.9 999 9999.9 9999.9 99.9 99.9 99.9 202505416001CHII2 19 31.3 21.0 200 14.0 15.0 999 9999.9 9999.9 99.9 99.9 99.9 202505416101CHII2 19 31.6 21.9 190 13.0 14.0 999 9999.9 9999.9 99.9 99.9 99.9 202505416201CHII2 19 32.0 21.4 200 12.1 13.0 999 9999.9 9999.9 99.9 99.9 99.9 202505416301CHII2 19 32.5 22.1 200 9.9 12.1 999 9999.9 9999.9 99.9 99.9 99.9 202505416401CHII2 19 33.1 22.3 200 8.9 9.9 999 9999.9 9999.9 99.9 99.9 99.9 202505416501CHII2 19 33.6 22.1 200 12.1 13.0 999 9999.9 9999.9 99.9 99.9 99.9 202505417001CHII2 19 34.2 22.8 200 12.1 13.0 999 9999.9 9999.9 99.9 99.9 99.9 202505417101CHII2 19 34.5 23.9 200 13.0 13.0 999 9999.9 9999.9 99.9 99.9 99.9 202505417201CHII2 19 35.1 22.8 200 13.0 14.0 999 9999.9 9999.9 99.9 99.9 99.9 202505417301CHII2 19 35.4 23.4 190 13.0 14.0 999 9999.9 9999.9 99.9 99.9 99.9 202505417401CHII2 19 35.6 22.5 190 15.9 16.9 999 9999.9 9999.9 99.9 99.9 99.9 202505417501CHII2 19 35.8 22.6 200 15.0 16.9 999 9999.9 9999.9 99.9 99.9 99.9 202505418001CHII2 19 35.6 23.9 200 14.0 15.9 999 9999.9 9999.9 99.9 99.9 99.9 202505418101CHII2 19 36.0 22.8 190 18.1 21.0 999 9999.9 9999.9 99.9 99.9 99.9 202505418201CHII2 19 35.8 23.9 200 16.9 19.0 999 9999.9 9999.9 99.9 99.9 99.9 202505418301CHII2 19 36.0 23.7 200 15.0 15.9 999 9999.9 9999.9 99.9 99.9 99.9 202505418401CHII2 19 36.0 24.1 200 13.0 14.0 999 9999.9 9999.9 99.9 99.9 99.9 202505418501CHII2 19 36.1 24.3 200 12.1 13.0 999 9999.9 9999.9 99.9 99.9 99.9 202505419001CHII2 19 36.9 23.0 190 15.9 16.9 999 9999.9 9999.9 99.9 99.9 99.9 202505419101CHII2 19 36.9 24.6 190 15.9 16.9 999 9999.9 9999.9 99.9 99.9 99.9 202505419201CHII2 19 37.4 24.4 190 15.9 16.9 999 9999.9 9999.9 99.9 99.9 99.9 202505419301CHII2 19 36.3 27.7 180 12.1 12.1 999 9999.9 9999.9 99.9 99.9 99.9 202505419401CHII2 19 36.7 27.0 180 13.0 14.0 999 9999.9 9999.9 99.9 99.9 99.9 202505419501CHII2 19 36.9 27.7 180 14.0 15.0 999 9999.9 9999.9 99.9 99.9 99.9 202505420001CHII2 19 37.4 27.0 180 13.0 14.0 999 9999.9 9999.9 99.9 99.9 99.9 202505420101CHII2 19 38.8 26.1 190 13.0 14.0 999 9999.9 9999.9 99.9 99.9 99.9 202505420201CHII2 19 39.0 26.8 190 12.1 14.0 999 9999.9 9999.9 99.9 99.9 99.9 202505420301CHII2 19 39.2 27.0 200 9.9 9.9 999 9999.9 9999.9 99.9 99.9 99.9 202505420401CHII2 19 40.1 26.2 190 11.1 11.1 999 9999.9 9999.9 99.9 99.9 99.9 202505420501CHII2 19 39.4 27.5 190 8.9 9.9 999 9999.9 9999.9 99.9 99.9 99.9 202505421001CHII2 19 39.9 27.5 190 8.9 9.9 999 9999.9 9999.9 99.9 99.9 99.9 202505421101CHII2 19 41.2 26.6 190 8.9 9.9 999 9999.9 9999.9 99.9 99.9 99.9 202505421201CHII2 19 41.4 27.0 190 11.1 12.1 999 9999.9 9999.9 99.9 99.9 99.9 202505421301CHII2 19 38.7 30.0 160 6.0 8.0 999 9999.9 9999.9 99.9 99.9 99.9 202505421401CHII2 19 39.4 28.9 180 8.0 8.9 999 9999.9 9999.9 99.9 99.9 99.9 202505421501CHII2 19 39.2 29.1 170 8.9 12.1 999 9999.9 9999.9 99.9 99.9 99.9 202505422001CHII2 19 41.2 27.9 170 11.1 12.1 999 9999.9 9999.9 99.9 99.9 99.9 202505422101CHII2 19 39.9 28.2 160 11.1 13.0 999 9999.9 9999.9 99.9 99.9 99.9 202505422201CHII2 19 40.5 27.9 170 9.9 13.0 999 9999.9 9999.9 99.9 99.9 99.9 202505422301CHII2 19 40.8 27.5 160 12.1 14.0 999 9999.9 9999.9 99.9 99.9 99.9 202505422401CHII2 19 42.1 26.6 160 12.1 14.0 999 9999.9 9999.9 99.9 99.9 99.9 202505422501CHII2 19 42.3 27.1 160 12.1 14.0 999 9999.9 9999.9 99.9 99.9 99.9 202505423001CHII2 19 40.6 27.7 150 12.1 13.0 999 9999.9 9999.9 99.9 99.9 99.9 202505423101CHII2 19 41.4 27.9 150 12.1 13.0 999 9999.9 9999.9 99.9 99.9 99.9 202505423201CHII2 19 41.2 28.9 160 11.1 12.1 999 9999.9 9999.9 99.9 99.9 99.9 202505423301CHII2 19 40.5 29.3 160 11.1 12.1 999 9999.9 9999.9 99.9 99.9 99.9 202505423401CHII2 19 39.2 30.6 140 12.1 12.1 999 9999.9 9999.9 99.9 99.9 99.9 202505423501CHII2 19 39.7 30.4 150 11.1 12.1 999 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]
142 matching elements
0.037 sec

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