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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 (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            F     F  Deg  kts  kts  %   W/m2   inHg    F    ft   s 202425400001CHII2 19 78.6 56.1 260 11.1 12.1 999 9999.9 9999.9 99.9 99.9 99.9 202425400101CHII2 19 78.8 55.6 250 12.1 12.1 999 9999.9 9999.9 99.9 99.9 99.9 202425400201CHII2 19 78.4 55.4 250 13.0 15.9 999 9999.9 9999.9 99.9 99.9 99.9 202425400301CHII2 19 78.3 55.9 260 13.0 15.0 999 9999.9 9999.9 99.9 99.9 99.9 202425400401CHII2 19 78.1 55.6 260 12.1 13.0 999 9999.9 9999.9 99.9 99.9 99.9 202425400501CHII2 19 77.5 56.7 270 9.9 12.1 999 9999.9 9999.9 99.9 99.9 99.9 202425401001CHII2 19 77.4 56.5 270 11.1 13.0 999 9999.9 9999.9 99.9 99.9 99.9 202425401101CHII2 19 77.2 56.3 270 12.1 12.1 999 9999.9 9999.9 99.9 99.9 99.9 202425401201CHII2 19 76.8 56.7 270 11.1 12.1 999 9999.9 9999.9 99.9 99.9 99.9 202425401301CHII2 19 76.8 56.3 260 9.9 12.1 999 9999.9 9999.9 99.9 99.9 99.9 202425401401CHII2 19 76.6 56.3 270 9.9 12.1 999 9999.9 9999.9 99.9 99.9 99.9 202425401501CHII2 19 76.5 56.5 270 9.9 12.1 999 9999.9 9999.9 99.9 99.9 99.9 202425402001CHII2 19 76.3 55.9 270 9.9 11.1 999 9999.9 9999.9 99.9 99.9 99.9 202425402101CHII2 19 75.9 57.2 270 9.9 9.9 999 9999.9 9999.9 99.9 99.9 99.9 202425402201CHII2 19 75.7 55.9 270 8.0 8.9 999 9999.9 9999.9 99.9 99.9 99.9 202425402301CHII2 19 75.6 56.7 260 8.9 9.9 999 9999.9 9999.9 99.9 99.9 99.9 202425402401CHII2 19 75.6 56.7 260 9.9 11.1 999 9999.9 9999.9 99.9 99.9 99.9 202425402501CHII2 19 75.4 57.2 260 8.9 9.9 999 9999.9 9999.9 99.9 99.9 99.9 202425403001CHII2 19 75.2 56.3 260 8.9 11.1 999 9999.9 9999.9 99.9 99.9 99.9 202425403101CHII2 19 75.0 56.7 260 8.9 8.9 999 9999.9 9999.9 99.9 99.9 99.9 202425403201CHII2 19 75.2 56.7 250 8.9 9.9 999 9999.9 9999.9 99.9 99.9 99.9 202425403301CHII2 19 75.0 56.1 250 11.1 12.1 999 9999.9 9999.9 99.9 99.9 99.9 202425403401CHII2 19 74.7 56.5 250 8.9 9.9 999 9999.9 9999.9 99.9 99.9 99.9 202425403501CHII2 19 74.7 55.8 250 11.1 14.0 999 9999.9 9999.9 99.9 99.9 99.9 202425404001CHII2 19 74.3 56.1 250 9.9 12.1 999 9999.9 9999.9 99.9 99.9 99.9 202425404101CHII2 19 73.9 55.9 260 9.9 11.1 999 9999.9 9999.9 99.9 99.9 99.9 202425404201CHII2 19 73.4 56.8 260 8.0 8.9 999 9999.9 9999.9 99.9 99.9 99.9 202425404301CHII2 19 73.0 57.4 260 8.9 9.9 999 9999.9 9999.9 99.9 99.9 99.9 202425404401CHII2 19 73.0 56.1 260 9.9 11.1 999 9999.9 9999.9 99.9 99.9 99.9 202425404501CHII2 19 72.7 56.3 270 8.0 8.9 999 9999.9 9999.9 99.9 99.9 99.9 202425405001CHII2 19 72.5 56.1 260 8.0 8.9 999 9999.9 9999.9 99.9 99.9 99.9 202425405101CHII2 19 72.3 55.2 260 8.9 8.9 999 9999.9 9999.9 99.9 99.9 99.9 202425405201CHII2 19 72.1 56.7 260 8.0 8.0 999 9999.9 9999.9 99.9 99.9 99.9 202425405301CHII2 19 72.0 56.5 260 7.0 8.0 999 9999.9 9999.9 99.9 99.9 99.9 202425405401CHII2 19 71.6 56.7 260 7.0 7.0 999 9999.9 9999.9 99.9 99.9 99.9 202425405501CHII2 19 71.6 57.6 270 5.1 6.0 999 9999.9 9999.9 99.9 99.9 99.9 202425406001CHII2 19 71.4 57.2 260 5.1 5.1 999 9999.9 9999.9 99.9 99.9 99.9 202425406101CHII2 19 71.4 55.2 250 8.0 8.0 999 9999.9 9999.9 99.9 99.9 99.9 202425406201CHII2 19 71.6 54.5 260 8.0 8.9 999 9999.9 9999.9 99.9 99.9 99.9 202425406301CHII2 19 71.6 54.9 260 7.0 8.0 999 9999.9 9999.9 99.9 99.9 99.9 202425406401CHII2 19 71.8 54.3 250 7.0 8.9 999 9999.9 9999.9 99.9 99.9 99.9 202425406501CHII2 19 71.6 54.0 260 8.0 8.9 999 9999.9 9999.9 99.9 99.9 99.9 202425407001CHII2 19 71.8 53.4 260 8.0 8.9 999 9999.9 9999.9 99.9 99.9 99.9 202425407101CHII2 19 72.0 54.7 250 6.0 7.0 999 9999.9 9999.9 99.9 99.9 99.9 202425407201CHII2 19 71.8 52.5 260 9.9 9.9 999 9999.9 9999.9 99.9 99.9 99.9 202425407301CHII2 19 71.6 54.1 270 7.0 8.0 999 9999.9 9999.9 99.9 99.9 99.9 202425407401CHII2 19 71.2 54.7 260 7.0 8.0 999 9999.9 9999.9 99.9 99.9 99.9 202425407501CHII2 19 71.2 53.6 260 8.0 8.9 999 9999.9 9999.9 99.9 99.9 99.9 202425408001CHII2 19 71.1 54.9 260 8.0 8.9 999 9999.9 9999.9 99.9 99.9 99.9 202425408101CHII2 19 71.1 54.0 270 8.0 8.9 999 9999.9 9999.9 99.9 99.9 99.9 202425408201CHII2 19 70.9 54.7 270 8.9 8.9 999 9999.9 9999.9 99.9 99.9 99.9 202425408301CHII2 19 70.9 53.6 270 8.9 9.9 999 9999.9 9999.9 99.9 99.9 99.9 202425408401CHII2 19 70.9 54.1 260 8.0 8.9 999 9999.9 9999.9 99.9 99.9 99.9 202425408501CHII2 19 70.9 54.3 260 7.0 8.0 999 9999.9 9999.9 99.9 99.9 99.9 202425409001CHII2 19 70.9 55.9 260 6.0 7.0 999 9999.9 9999.9 99.9 99.9 99.9 202425409101CHII2 19 70.9 57.2 230 4.1 5.1 999 9999.9 9999.9 99.9 99.9 99.9 202425409201CHII2 19 70.5 55.4 250 7.0 8.0 999 9999.9 9999.9 99.9 99.9 99.9 202425409301CHII2 19 70.0 54.7 270 8.0 8.9 999 9999.9 9999.9 99.9 99.9 99.9 202425410001CHII2 19 69.8 56.1 260 6.0 8.0 999 9999.9 9999.9 99.9 99.9 99.9 202425410101CHII2 19 70.0 54.1 260 7.0 8.9 999 9999.9 9999.9 99.9 99.9 99.9 202425410201CHII2 19 70.0 53.6 260 6.0 7.0 999 9999.9 9999.9 99.9 99.9 99.9 202425410301CHII2 19 70.2 53.4 260 4.1 5.1 999 9999.9 9999.9 99.9 99.9 99.9 202425410401CHII2 19 69.8 55.9 190 2.9 2.9 999 9999.9 9999.9 99.9 99.9 99.9 202425410501CHII2 19 69.8 55.2 190 2.9 4.1 999 9999.9 9999.9 99.9 99.9 99.9 202425411001CHII2 19 70.0 54.5 200 1.9 2.9 999 9999.9 9999.9 99.9 99.9 99.9 202425411101CHII2 19 70.0 53.6 220 1.0 1.9 999 9999.9 9999.9 99.9 99.9 99.9 202425411201CHII2 19 70.2 54.0 230 2.9 2.9 999 9999.9 9999.9 99.9 99.9 99.9 202425411301CHII2 19 70.0 54.9 260 2.9 2.9 999 9999.9 9999.9 99.9 99.9 99.9 202425411401CHII2 19 70.3 52.9 230 2.9 4.1 999 9999.9 9999.9 99.9 99.9 99.9 202425411501CHII2 19 69.8 53.6 270 4.1 4.1 999 9999.9 9999.9 99.9 99.9 99.9 202425412001CHII2 19 70.0 52.5 250 5.1 6.0 999 9999.9 9999.9 99.9 99.9 99.9 202425412101CHII2 19 70.0 52.0 250 5.1 6.0 999 9999.9 9999.9 99.9 99.9 99.9 202425412201CHII2 19 69.8 51.8 260 6.0 7.0 999 9999.9 9999.9 99.9 99.9 99.9 202425412301CHII2 19 69.4 52.9 260 8.9 9.9 999 9999.9 9999.9 99.9 99.9 99.9 202425412401CHII2 19 69.6 50.5 260 8.9 9.9 999 9999.9 9999.9 99.9 99.9 99.9 202425412501CHII2 19 69.4 50.4 260 9.9 11.1 999 9999.9 9999.9 99.9 99.9 99.9 202425413001CHII2 19 69.6 50.0 250 8.0 8.9 999 9999.9 9999.9 99.9 99.9 99.9 202425413101CHII2 19 69.8 51.1 250 7.0 7.0 999 9999.9 9999.9 99.9 99.9 99.9 202425413201CHII2 19 70.0 52.0 250 7.0 8.9 999 9999.9 9999.9 99.9 99.9 99.9 202425413301CHII2 19 70.0 52.5 250 6.0 7.0 999 9999.9 9999.9 99.9 99.9 99.9 202425413401CHII2 19 70.2 51.6 260 7.0 8.0 999 9999.9 9999.9 99.9 99.9 99.9 202425413501CHII2 19 70.3 51.8 250 6.0 7.0 999 9999.9 9999.9 99.9 99.9 99.9 202425414001CHII2 19 70.9 53.2 0 0.0 1.0 999 9999.9 9999.9 99.9 99.9 99.9 202425414101CHII2 19 72.3 53.1 130 1.9 1.9 999 9999.9 9999.9 99.9 99.9 99.9 202425414201CHII2 19 71.4 54.0 200 5.1 6.0 999 9999.9 9999.9 99.9 99.9 99.9 202425414301CHII2 19 70.9 53.1 220 5.1 6.0 999 9999.9 9999.9 99.9 99.9 99.9 202425414401CHII2 19 71.6 52.7 220 2.9 4.1 999 9999.9 9999.9 99.9 99.9 99.9 202425414501CHII2 19 71.4 52.5 190 2.9 4.1 999 9999.9 9999.9 99.9 99.9 99.9 202425415001CHII2 19 71.8 53.8 200 4.1 5.1 999 9999.9 9999.9 99.9 99.9 99.9 202425415101CHII2 19 71.8 52.9 200 5.1 7.0 999 9999.9 9999.9 99.9 99.9 99.9 202425415201CHII2 19 72.1 52.5 190 6.0 6.0 999 9999.9 9999.9 99.9 99.9 99.9 202425415301CHII2 19 72.7 53.4 170 5.1 6.0 999 9999.9 9999.9 99.9 99.9 99.9 202425415401CHII2 19 73.2 52.9 170 4.1 5.1 999 9999.9 9999.9 99.9 99.9 99.9 202425415501CHII2 19 73.4 55.9 160 6.0 7.0 999 9999.9 9999.9 99.9 99.9 99.9 202425416001CHII2 19 73.9 56.3 150 5.1 7.0 999 9999.9 9999.9 99.9 99.9 99.9 202425416101CHII2 19 74.3 55.6 150 5.1 7.0 999 9999.9 9999.9 99.9 99.9 99.9 202425416201CHII2 19 73.9 59.5 140 8.9 9.9 999 9999.9 9999.9 99.9 99.9 99.9 202425416301CHII2 19 73.6 57.9 140 8.9 9.9 999 9999.9 9999.9 99.9 99.9 99.9 202425416401CHII2 19 73.6 56.5 150 11.1 13.0 999 9999.9 9999.9 99.9 99.9 99.9 202425416501CHII2 19 73.6 58.1 150 12.1 13.0 999 9999.9 9999.9 99.9 99.9 99.9 202425417001CHII2 19 73.8 58.3 140 11.1 13.0 999 9999.9 9999.9 99.9 99.9 99.9 202425417101CHII2 19 73.8 57.9 140 13.0 14.0 999 9999.9 9999.9 99.9 99.9 99.9 202425417201CHII2 19 74.1 59.4 150 11.1 14.0 999 9999.9 9999.9 99.9 99.9 99.9 202425417301CHII2 19 74.8 60.4 140 12.1 12.1 999 9999.9 9999.9 99.9 99.9 99.9 202425417401CHII2 19 75.4 59.9 140 8.9 11.1 999 9999.9 9999.9 99.9 99.9 99.9 202425417501CHII2 19 76.5 999.9 190 13.0 14.0 999 9999.9 9999.9 99.9 99.9 99.9 202425418001CHII2 19 76.6 999.9 190 13.0 13.0 999 9999.9 9999.9 99.9 99.9 99.9 202425418101CHII2 19 76.8 52.3 190 11.1 12.1 999 9999.9 9999.9 99.9 99.9 99.9 202425418201CHII2 19 77.4 999.9 190 13.0 15.0 999 9999.9 9999.9 99.9 99.9 99.9 202425418301CHII2 19 77.0 51.8 190 12.1 13.0 999 9999.9 9999.9 99.9 99.9 99.9 202425418401CHII2 19 77.4 51.8 190 11.1 12.1 999 9999.9 9999.9 99.9 99.9 99.9 202425418501CHII2 19 78.1 48.9 190 13.0 14.0 999 9999.9 9999.9 99.9 99.9 99.9 202425419001CHII2 19 78.1 51.3 190 12.1 14.0 999 9999.9 9999.9 99.9 99.9 99.9 202425419101CHII2 19 77.9 49.8 190 12.1 12.1 999 9999.9 9999.9 99.9 99.9 99.9 202425419201CHII2 19 77.9 50.9 180 11.1 12.1 999 9999.9 9999.9 99.9 99.9 99.9 202425419301CHII2 19 78.3 52.0 190 8.9 9.9 999 9999.9 9999.9 99.9 99.9 99.9 202425419401CHII2 19 79.2 46.8 200 13.0 14.0 999 9999.9 9999.9 99.9 99.9 99.9 202425419501CHII2 19 79.0 50.9 180 13.0 14.0 999 9999.9 9999.9 99.9 99.9 99.9 202425420001CHII2 19 79.5 46.8 180 14.0 14.0 999 9999.9 9999.9 99.9 99.9 99.9 202425420101CHII2 19 78.8 52.9 190 12.1 13.0 999 9999.9 9999.9 99.9 99.9 99.9 202425420201CHII2 19 79.3 51.8 190 11.1 12.1 999 9999.9 9999.9 99.9 99.9 99.9 202425420301CHII2 19 79.2 54.7 180 8.0 8.9 999 9999.9 9999.9 99.9 99.9 99.9 202425420401CHII2 19 80.1 53.4 160 7.0 9.9 999 9999.9 9999.9 99.9 99.9 99.9 202425420501CHII2 19 77.9 60.8 140 8.9 11.1 999 9999.9 9999.9 99.9 99.9 99.9 202425421001CHII2 19 78.1 60.3 140 6.0 8.0 999 9999.9 9999.9 99.9 99.9 99.9 202425421101CHII2 19 77.7 61.5 150 7.0 11.1 999 9999.9 9999.9 99.9 99.9 99.9 202425421201CHII2 19 79.9 999.9 190 9.9 11.1 999 9999.9 9999.9 99.9 99.9 99.9 202425421301CHII2 19 76.6 63.3 140 13.0 14.0 999 9999.9 9999.9 99.9 99.9 99.9 202425421401CHII2 19 76.3 64.0 130 13.0 14.0 999 9999.9 9999.9 99.9 99.9 99.9 202425421501CHII2 19 76.5 62.8 130 14.0 15.0 999 9999.9 9999.9 99.9 99.9 99.9 202425422001CHII2 19 76.1 63.3 130 13.0 14.0 999 9999.9 9999.9 99.9 99.9 99.9 202425422101CHII2 19 76.3 64.9 120 12.1 12.1 999 9999.9 9999.9 99.9 99.9 99.9 202425422201CHII2 19 76.5 65.1 130 11.1 12.1 999 9999.9 9999.9 99.9 99.9 99.9 202425422301CHII2 19 76.3 64.8 120 11.1 12.1 999 9999.9 9999.9 99.9 99.9 99.9 202425422401CHII2 19 76.3 65.8 120 12.1 13.0 999 9999.9 9999.9 99.9 99.9 99.9 202425422501CHII2 19 76.5 65.1 130 9.9 12.1 999 9999.9 9999.9 99.9 99.9 99.9 202425423001CHII2 19 77.4 63.3 140 9.9 9.9 999 9999.9 9999.9 99.9 99.9 99.9 202425423101CHII2 19 77.7 63.3 140 8.0 8.9 999 9999.9 9999.9 99.9 99.9 99.9 202425423201CHII2 19 78.6 56.7 200 8.9 12.1 999 9999.9 9999.9 99.9 99.9 99.9 202425423301CHII2 19 79.7 999.9 200 8.0 8.9 999 9999.9 9999.9 99.9 99.9 99.9 202425423401CHII2 19 79.7 55.6 200 8.9 8.9 999 9999.9 9999.9 99.9 99.9 99.9 202425423501CHII2 19 80.1 999.9 200 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
0.094 sec

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