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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: 2146 GMT
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 202434200001CHII2 19 35.2 14.2 240 22.0 26.0 999 9999.9 9999.9 99.9 99.9 99.9 202434200101CHII2 19 35.2 13.6 230 23.9 29.9 999 9999.9 9999.9 99.9 99.9 99.9 202434200201CHII2 19 35.2 13.1 250 21.0 25.1 999 9999.9 9999.9 99.9 99.9 99.9 202434200301CHII2 19 35.1 12.7 240 22.9 27.0 999 9999.9 9999.9 99.9 99.9 99.9 202434200401CHII2 19 35.1 12.9 230 23.9 30.9 999 9999.9 9999.9 99.9 99.9 99.9 202434200501CHII2 19 35.1 11.8 230 29.0 35.0 999 9999.9 9999.9 99.9 99.9 99.9 202434201001CHII2 19 35.2 12.9 240 25.1 32.1 999 9999.9 9999.9 99.9 99.9 99.9 202434201101CHII2 19 35.2 12.7 250 25.1 30.9 999 9999.9 9999.9 99.9 99.9 99.9 202434201201CHII2 19 35.2 13.1 250 21.0 22.9 999 9999.9 9999.9 99.9 99.9 99.9 202434201301CHII2 19 35.2 12.7 240 22.0 29.9 999 9999.9 9999.9 99.9 99.9 99.9 202434201401CHII2 19 35.2 12.7 240 22.0 26.0 999 9999.9 9999.9 99.9 99.9 99.9 202434201501CHII2 19 35.1 13.8 250 19.0 23.9 999 9999.9 9999.9 99.9 99.9 99.9 202434202001CHII2 19 34.9 12.9 250 20.0 23.9 999 9999.9 9999.9 99.9 99.9 99.9 202434202101CHII2 19 34.7 13.1 250 21.0 23.9 999 9999.9 9999.9 99.9 99.9 99.9 202434202201CHII2 19 34.7 13.5 250 20.0 22.9 999 9999.9 9999.9 99.9 99.9 99.9 202434202301CHII2 19 35.1 13.5 250 20.0 22.9 999 9999.9 9999.9 99.9 99.9 99.9 202434202401CHII2 19 34.9 14.0 240 18.1 21.0 999 9999.9 9999.9 99.9 99.9 99.9 202434202501CHII2 19 34.7 13.3 250 19.0 22.9 999 9999.9 9999.9 99.9 99.9 99.9 202434203001CHII2 19 34.9 13.8 250 20.0 22.0 999 9999.9 9999.9 99.9 99.9 99.9 202434203101CHII2 19 34.9 14.0 250 16.9 20.0 999 9999.9 9999.9 99.9 99.9 99.9 202434203201CHII2 19 34.5 14.5 250 18.1 20.0 999 9999.9 9999.9 99.9 99.9 99.9 202434203301CHII2 19 34.9 15.3 250 15.0 18.1 999 9999.9 9999.9 99.9 99.9 99.9 202434203401CHII2 19 34.7 14.5 250 16.9 20.0 999 9999.9 9999.9 99.9 99.9 99.9 202434203501CHII2 19 34.9 15.8 260 16.9 20.0 999 9999.9 9999.9 99.9 99.9 99.9 202434204001CHII2 19 34.3 14.7 250 20.0 22.9 999 9999.9 9999.9 99.9 99.9 99.9 202434204101CHII2 19 34.3 15.4 250 19.0 22.9 999 9999.9 9999.9 99.9 99.9 99.9 202434204201CHII2 19 34.2 14.4 250 20.0 23.9 999 9999.9 9999.9 99.9 99.9 99.9 202434204301CHII2 19 34.3 14.7 250 19.0 22.9 999 9999.9 9999.9 99.9 99.9 99.9 202434204401CHII2 19 34.5 14.7 250 19.0 22.9 999 9999.9 9999.9 99.9 99.9 99.9 202434204501CHII2 19 34.3 15.8 250 19.0 22.0 999 9999.9 9999.9 99.9 99.9 99.9 202434205001CHII2 19 34.5 15.8 250 16.9 19.0 999 9999.9 9999.9 99.9 99.9 99.9 202434205101CHII2 19 34.5 15.3 250 19.0 22.9 999 9999.9 9999.9 99.9 99.9 99.9 202434205201CHII2 19 34.2 15.4 250 19.0 22.9 999 9999.9 9999.9 99.9 99.9 99.9 202434205301CHII2 19 34.2 16.0 260 19.0 23.9 999 9999.9 9999.9 99.9 99.9 99.9 202434205401CHII2 19 34.2 15.4 250 21.0 22.0 999 9999.9 9999.9 99.9 99.9 99.9 202434205501CHII2 19 34.0 16.5 260 19.0 22.9 999 9999.9 9999.9 99.9 99.9 99.9 202434206001CHII2 19 33.8 15.3 250 21.0 23.9 999 9999.9 9999.9 99.9 99.9 99.9 202434206101CHII2 19 34.0 17.2 260 18.1 22.0 999 9999.9 9999.9 99.9 99.9 99.9 202434206201CHII2 19 33.8 16.2 260 21.0 23.9 999 9999.9 9999.9 99.9 99.9 99.9 202434206301CHII2 19 33.6 16.9 260 20.0 22.0 999 9999.9 9999.9 99.9 99.9 99.9 202434206401CHII2 19 33.3 15.8 260 22.9 27.0 999 9999.9 9999.9 99.9 99.9 99.9 202434206501CHII2 19 33.3 16.7 260 21.0 22.0 999 9999.9 9999.9 99.9 99.9 99.9 202434207001CHII2 19 33.1 16.3 260 19.0 22.0 999 9999.9 9999.9 99.9 99.9 99.9 202434207101CHII2 19 32.9 16.3 260 21.0 23.9 999 9999.9 9999.9 99.9 99.9 99.9 202434207201CHII2 19 32.7 16.5 260 19.0 21.0 999 9999.9 9999.9 99.9 99.9 99.9 202434207401CHII2 19 32.5 16.2 260 18.1 20.0 999 9999.9 9999.9 99.9 99.9 99.9 202434207501CHII2 19 32.5 16.7 250 15.9 18.1 999 9999.9 9999.9 99.9 99.9 99.9 202434208001CHII2 19 32.9 15.8 250 18.1 20.0 999 9999.9 9999.9 99.9 99.9 99.9 202434208101CHII2 19 32.9 17.1 250 15.9 18.1 999 9999.9 9999.9 99.9 99.9 99.9 202434208201CHII2 19 32.7 16.5 260 15.9 16.9 999 9999.9 9999.9 99.9 99.9 99.9 202434208301CHII2 19 33.3 16.9 250 15.0 16.9 999 9999.9 9999.9 99.9 99.9 99.9 202434208401CHII2 19 33.3 19.8 240 11.1 13.0 999 9999.9 9999.9 99.9 99.9 99.9 202434208501CHII2 19 32.9 20.1 240 8.9 11.1 999 9999.9 9999.9 99.9 99.9 99.9 202434209001CHII2 19 33.1 17.6 260 15.0 16.9 999 9999.9 9999.9 99.9 99.9 99.9 202434209101CHII2 19 32.9 21.0 220 8.9 12.1 999 9999.9 9999.9 99.9 99.9 99.9 202434209201CHII2 19 32.0 19.0 210 13.0 14.0 999 9999.9 9999.9 99.9 99.9 99.9 202434209301CHII2 19 31.8 19.9 210 13.0 14.0 999 9999.9 9999.9 99.9 99.9 99.9 202434209401CHII2 19 31.5 18.7 210 13.0 14.0 999 9999.9 9999.9 99.9 99.9 99.9 202434209501CHII2 19 31.3 19.6 210 14.0 15.0 999 9999.9 9999.9 99.9 99.9 99.9 202434210001CHII2 19 30.4 19.0 210 18.1 18.1 999 9999.9 9999.9 99.9 99.9 99.9 202434210101CHII2 19 30.6 20.3 220 14.0 15.9 999 9999.9 9999.9 99.9 99.9 99.9 202434210201CHII2 19 31.1 20.5 220 13.0 14.0 999 9999.9 9999.9 99.9 99.9 99.9 202434210301CHII2 19 31.8 21.0 220 9.9 11.1 999 9999.9 9999.9 99.9 99.9 99.9 202434210401CHII2 19 31.8 22.1 220 12.1 14.0 999 9999.9 9999.9 99.9 99.9 99.9 202434210501CHII2 19 31.3 21.0 210 15.0 15.9 999 9999.9 9999.9 99.9 99.9 99.9 202434211001CHII2 19 31.1 20.3 210 18.1 19.0 999 9999.9 9999.9 99.9 99.9 99.9 202434211101CHII2 19 30.9 20.5 210 20.0 21.0 999 9999.9 9999.9 99.9 99.9 99.9 202434211201CHII2 19 30.2 19.2 210 22.0 23.9 999 9999.9 9999.9 99.9 99.9 99.9 202434211301CHII2 19 30.0 19.0 210 20.0 22.0 999 9999.9 9999.9 99.9 99.9 99.9 202434211401CHII2 19 30.6 19.2 210 15.9 16.9 999 9999.9 9999.9 99.9 99.9 99.9 202434211501CHII2 19 30.9 19.8 220 15.0 15.0 999 9999.9 9999.9 99.9 99.9 99.9 202434212001CHII2 19 31.1 20.1 210 15.9 18.1 999 9999.9 9999.9 99.9 99.9 99.9 202434212101CHII2 19 30.6 19.4 210 20.0 22.0 999 9999.9 9999.9 99.9 99.9 99.9 202434212201CHII2 19 30.4 18.5 210 19.0 21.0 999 9999.9 9999.9 99.9 99.9 99.9 202434212301CHII2 19 30.4 20.1 210 19.0 22.0 999 9999.9 9999.9 99.9 99.9 99.9 202434212401CHII2 19 30.4 20.1 210 18.1 20.0 999 9999.9 9999.9 99.9 99.9 99.9 202434212501CHII2 19 30.2 19.2 210 21.0 22.9 999 9999.9 9999.9 99.9 99.9 99.9 202434213001CHII2 19 30.2 19.2 210 21.0 23.9 999 9999.9 9999.9 99.9 99.9 99.9 202434213101CHII2 19 30.4 19.9 210 20.0 22.9 999 9999.9 9999.9 99.9 99.9 99.9 202434213201CHII2 19 30.2 20.1 200 21.0 22.9 999 9999.9 9999.9 99.9 99.9 99.9 202434213301CHII2 19 30.2 19.6 200 21.0 23.9 999 9999.9 9999.9 99.9 99.9 99.9 202434213401CHII2 19 30.0 19.9 210 21.0 22.9 999 9999.9 9999.9 99.9 99.9 99.9 202434213501CHII2 19 30.2 19.9 210 19.0 22.9 999 9999.9 9999.9 99.9 99.9 99.9 202434214001CHII2 19 30.2 19.6 200 19.0 21.0 999 9999.9 9999.9 99.9 99.9 99.9 202434214101CHII2 19 30.4 20.8 200 21.0 22.9 999 9999.9 9999.9 99.9 99.9 99.9 202434214201CHII2 19 30.0 19.6 210 21.0 22.9 999 9999.9 9999.9 99.9 99.9 99.9 202434214301CHII2 19 30.0 20.1 200 21.0 23.9 999 9999.9 9999.9 99.9 99.9 99.9 202434214401CHII2 19 30.2 20.1 200 22.9 25.1 999 9999.9 9999.9 99.9 99.9 99.9 202434214501CHII2 19 30.4 20.1 200 21.0 23.9 999 9999.9 9999.9 99.9 99.9 99.9 202434215001CHII2 19 30.7 20.5 190 21.0 22.0 999 9999.9 9999.9 99.9 99.9 99.9 202434215101CHII2 19 31.3 20.3 200 21.0 22.0 999 9999.9 9999.9 99.9 99.9 99.9 202434215201CHII2 19 31.8 20.7 190 20.0 22.0 999 9999.9 9999.9 99.9 99.9 99.9 202434215301CHII2 19 32.0 20.1 190 22.0 23.9 999 9999.9 9999.9 99.9 99.9 99.9 202434215401CHII2 19 32.4 21.2 190 19.0 21.0 999 9999.9 9999.9 99.9 99.9 99.9 202434215501CHII2 19 32.9 21.4 190 20.0 21.0 999 9999.9 9999.9 99.9 99.9 99.9 202434216001CHII2 19 33.3 20.8 190 18.1 20.0 999 9999.9 9999.9 99.9 99.9 99.9 202434216101CHII2 19 34.2 21.6 190 18.1 20.0 999 9999.9 9999.9 99.9 99.9 99.9 202434216201CHII2 19 35.1 22.3 190 18.1 20.0 999 9999.9 9999.9 99.9 99.9 99.9 202434216301CHII2 19 36.0 22.8 190 15.0 16.9 999 9999.9 9999.9 99.9 99.9 99.9 202434216401CHII2 19 37.2 22.3 200 18.1 21.0 999 9999.9 9999.9 99.9 99.9 99.9 202434216501CHII2 19 38.1 21.7 200 21.0 23.9 999 9999.9 9999.9 99.9 99.9 99.9 202434217001CHII2 19 38.5 22.3 200 21.0 22.9 999 9999.9 9999.9 99.9 99.9 99.9 202434217101CHII2 19 39.4 23.4 200 21.0 23.9 999 9999.9 9999.9 99.9 99.9 99.9 202434217201CHII2 19 40.3 22.5 210 26.0 29.0 999 9999.9 9999.9 99.9 99.9 99.9 202434217301CHII2 19 41.0 23.7 210 22.0 23.9 999 9999.9 9999.9 99.9 99.9 99.9 202434217401CHII2 19 41.0 23.0 210 26.0 29.0 999 9999.9 9999.9 99.9 99.9 99.9 202434217501CHII2 19 41.5 23.4 210 25.1 29.0 999 9999.9 9999.9 99.9 99.9 99.9 202434218101CHII2 19 42.8 24.6 210 25.1 30.9 999 9999.9 9999.9 99.9 99.9 99.9 202434218201CHII2 19 43.7 23.5 220 32.1 39.1 999 9999.9 9999.9 99.9 99.9 99.9 202434218301CHII2 19 43.9 23.5 220 29.9 36.0 999 9999.9 9999.9 99.9 99.9 99.9 202434218401CHII2 19 43.9 24.6 210 22.9 26.0 999 9999.9 9999.9 99.9 99.9 99.9 202434218501CHII2 19 44.2 25.0 210 25.1 28.0 999 9999.9 9999.9 99.9 99.9 99.9 202434219001CHII2 19 45.0 24.3 220 26.0 30.9 999 9999.9 9999.9 99.9 99.9 99.9 202434219101CHII2 19 45.9 24.8 220 22.9 28.0 999 9999.9 9999.9 99.9 99.9 99.9 202434219201CHII2 19 46.4 25.0 220 23.9 29.0 999 9999.9 9999.9 99.9 99.9 99.9 202434219301CHII2 19 46.6 25.5 210 22.0 26.0 999 9999.9 9999.9 99.9 99.9 99.9 202434219401CHII2 19 47.1 25.9 220 22.9 25.1 999 9999.9 9999.9 99.9 99.9 99.9 202434219501CHII2 19 47.3 25.7 220 27.0 29.9 999 9999.9 9999.9 99.9 99.9 99.9 202434220001CHII2 19 47.8 25.9 220 29.0 30.9 999 9999.9 9999.9 99.9 99.9 99.9 202434220101CHII2 19 48.0 26.4 220 26.0 29.0 999 9999.9 9999.9 99.9 99.9 99.9 202434220201CHII2 19 48.7 27.1 220 27.0 29.0 999 9999.9 9999.9 99.9 99.9 99.9 202434220301CHII2 19 49.1 27.3 220 25.1 29.9 999 9999.9 9999.9 99.9 99.9 99.9 202434220401CHII2 19 49.5 27.1 220 25.1 28.0 999 9999.9 9999.9 99.9 99.9 99.9 202434220501CHII2 19 50.0 27.7 220 28.0 30.9 999 9999.9 9999.9 99.9 99.9 99.9 202434221001CHII2 19 50.2 28.4 220 28.0 30.9 999 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]
125 matching elements
0.033 sec

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