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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: 0700 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 (349)
 (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 202434900001CHII2 19 -0.8 -5.0 100 10.3 10.8 999 9999.9 9999.9 99.9 99.9 99.9 202434900101CHII2 19 -0.9 -5.9 100 9.8 11.3 999 9999.9 9999.9 99.9 99.9 99.9 202434900201CHII2 19 -1.1 -6.5 100 10.3 11.8 999 9999.9 9999.9 99.9 99.9 99.9 202434900301CHII2 19 -1.1 -6.5 110 10.3 11.8 999 9999.9 9999.9 99.9 99.9 99.9 202434900401CHII2 19 -1.1 -6.6 120 9.3 11.3 999 9999.9 9999.9 99.9 99.9 99.9 202434900501CHII2 19 -1.0 -6.1 110 9.8 10.3 999 9999.9 9999.9 99.9 99.9 99.9 202434901001CHII2 19 -1.2 -6.8 110 9.3 10.3 999 9999.9 9999.9 99.9 99.9 99.9 202434901101CHII2 19 -1.1 -6.9 120 9.8 10.3 999 9999.9 9999.9 99.9 99.9 99.9 202434901201CHII2 19 -1.1 -7.0 110 8.7 10.8 999 9999.9 9999.9 99.9 99.9 99.9 202434901301CHII2 19 -1.0 -6.6 110 9.3 10.3 999 9999.9 9999.9 99.9 99.9 99.9 202434901401CHII2 19 -1.0 -6.2 110 9.8 10.8 999 9999.9 9999.9 99.9 99.9 99.9 202434901501CHII2 19 -1.0 -6.5 120 10.3 10.8 999 9999.9 9999.9 99.9 99.9 99.9 202434902001CHII2 19 -1.1 -6.3 120 10.3 10.8 999 9999.9 9999.9 99.9 99.9 99.9 202434902101CHII2 19 -1.0 -6.2 110 9.8 10.8 999 9999.9 9999.9 99.9 99.9 99.9 202434902201CHII2 19 -1.0 -5.8 120 10.8 12.3 999 9999.9 9999.9 99.9 99.9 99.9 202434902301CHII2 19 -1.1 -6.4 120 10.8 12.3 999 9999.9 9999.9 99.9 99.9 99.9 202434902401CHII2 19 -1.0 -6.1 110 10.8 12.9 999 9999.9 9999.9 99.9 99.9 99.9 202434902501CHII2 19 -1.1 -6.0 110 10.8 12.3 999 9999.9 9999.9 99.9 99.9 99.9 202434903001CHII2 19 -1.1 -6.1 110 11.3 12.3 999 9999.9 9999.9 99.9 99.9 99.9 202434903101CHII2 19 -1.0 -5.8 120 11.3 12.9 999 9999.9 9999.9 99.9 99.9 99.9 202434903201CHII2 19 -1.2 -5.9 110 10.8 12.3 999 9999.9 9999.9 99.9 99.9 99.9 202434903301CHII2 19 -1.1 -5.9 120 11.3 12.3 999 9999.9 9999.9 99.9 99.9 99.9 202434903401CHII2 19 -1.1 -5.9 120 11.3 12.9 999 9999.9 9999.9 99.9 99.9 99.9 202434903501CHII2 19 -1.1 -5.8 120 11.3 13.4 999 9999.9 9999.9 99.9 99.9 99.9 202434904001CHII2 19 -1.2 -6.4 130 12.3 13.4 999 9999.9 9999.9 99.9 99.9 99.9 202434904101CHII2 19 -1.2 -6.3 120 12.9 13.4 999 9999.9 9999.9 99.9 99.9 99.9 202434904201CHII2 19 -1.2 -6.1 130 11.8 13.9 999 9999.9 9999.9 99.9 99.9 99.9 202434904301CHII2 19 -1.1 -6.0 130 11.3 13.4 999 9999.9 9999.9 99.9 99.9 99.9 202434904401CHII2 19 -1.0 -5.5 120 11.3 12.3 999 9999.9 9999.9 99.9 99.9 99.9 202434904501CHII2 19 -1.1 -6.2 120 11.3 12.3 999 9999.9 9999.9 99.9 99.9 99.9 202434905001CHII2 19 -1.2 -6.8 130 11.3 12.9 999 9999.9 9999.9 99.9 99.9 99.9 202434905101CHII2 19 -1.2 -6.6 130 11.8 12.9 999 9999.9 9999.9 99.9 99.9 99.9 202434905201CHII2 19 -1.3 -6.5 130 11.3 12.3 999 9999.9 9999.9 99.9 99.9 99.9 202434905301CHII2 19 -1.1 -5.7 130 10.8 11.8 999 9999.9 9999.9 99.9 99.9 99.9 202434905401CHII2 19 -1.3 -6.2 120 11.8 13.4 999 9999.9 9999.9 99.9 99.9 99.9 202434905501CHII2 19 -1.3 -6.1 120 11.8 13.4 999 9999.9 9999.9 99.9 99.9 99.9 202434906001CHII2 19 -1.2 -5.7 120 11.3 12.9 999 9999.9 9999.9 99.9 99.9 99.9
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