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Realtime Great Lakes Weather Data and Marine Observations

 OKSI2: CPD Oak St Chi IL                                  
CMAN Station
Lat: 41.91°, Lon: -87.62°
Elevation: 179 m
Related Site: NDBC
Related Site: Chicago Park District

Current Time: 1801 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 (188)
 (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
202518800001OKSI2   19  68.0 999.9  10  2.9  6.0 999 9999.9 9999.9 99.9 99.9 99.9
202518801001OKSI2   19  67.6 999.9 350  2.9  4.1 999 9999.9 9999.9 99.9 99.9 99.9
202518802001OKSI2   19  67.5 999.9  10  2.9  5.1 999 9999.9 9999.9 99.9 99.9 99.9
202518803001OKSI2   19  66.6 999.9   0  0.0  1.9 999 9999.9 9999.9 99.9 99.9 99.9
202518804001OKSI2   19  66.6 999.9 360  2.9  8.0 999 9999.9 9999.9 99.9 99.9 99.9
202518805001OKSI2   19  65.5 999.9  20  2.9  6.0 999 9999.9 9999.9 99.9 99.9 99.9
202518806001OKSI2   19  65.7 999.9 360  4.1  6.0 999 9999.9 9999.9 99.9 99.9 99.9
202518807001OKSI2   19  66.6 999.9  20  4.1  8.0 999 9999.9 9999.9 99.9 99.9 99.9
202518808001OKSI2   19  66.4 999.9 360  6.0  9.9 999 9999.9 9999.9 99.9 99.9 99.9
202518809001OKSI2   19  67.1 999.9  10  6.0  8.9 999 9999.9 9999.9 99.9 99.9 99.9
202518810001OKSI2   19  67.3 999.9 350  4.1  7.0 999 9999.9 9999.9 99.9 99.9 99.9
202518811001OKSI2   19  67.5 999.9 350  5.1 13.0 999 9999.9 9999.9 99.9 99.9 99.9
202518812001OKSI2   19  67.6 999.9  10  6.0  9.9 999 9999.9 9999.9 99.9 99.9 99.9
202518813001OKSI2   19  67.5 999.9 360  7.0 13.0 999 9999.9 9999.9 99.9 99.9 99.9
202518814001OKSI2   19  67.6 999.9  10  7.0 11.1 999 9999.9 9999.9 99.9 99.9 99.9
202518815001OKSI2   19  68.5 999.9  10  6.0  8.9 999 9999.9 9999.9 99.9 99.9 99.9
202518816001OKSI2   19  68.4 999.9  10  6.0  8.0 999 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
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This Web page created and maintained by Greg Lang, NOAA/GLERL,
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