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Realtime Great Lakes Weather Data and Marine Observations


45198: IISG Chicago IL                                  
Buoy
Lat: 41.89°, Lon: -87.56°
Elevation: 176 m
Anemometer Height: 2 m
Related Site: NDBC
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Green MarkerSurface Airways Stations

  Change Units to: English | Metric
 Enter New DOY (001-366):  Or Today (285)
 (See also Tables for determining DOY for a given date)
View multiple days of data for this station:
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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 20242550000045198 49 75.2 999.9 210 5.8 7.8 999 9999.9 30.06 70.9 0.7 99.9 20242550010045198 49 74.7 999.9 220 5.8 7.8 999 9999.9 30.06 70.9 0.7 99.9 20242550020045198 49 74.3 999.9 220 5.8 5.8 999 9999.9 30.06 70.9 0.7 99.9 20242550030045198 49 74.1 999.9 220 5.8 5.8 999 9999.9 30.06 70.9 1.0 2.0 20242550040045198 49 73.8 999.9 210 5.8 7.8 999 9999.9 30.06 70.9 1.0 2.0 20242550050045198 49 73.8 999.9 210 5.8 7.8 999 9999.9 30.06 70.7 1.0 2.0 20242550100045198 49 73.6 999.9 230 5.8 7.8 999 9999.9 30.07 70.7 0.7 99.9 20242550110045198 49 73.4 999.9 210 5.8 7.8 999 9999.9 30.07 70.7 0.7 99.9 20242550120045198 49 73.9 999.9 200 7.8 9.7 999 9999.9 30.06 70.7 0.7 99.9 20242550130045198 49 74.1 999.9 210 7.8 11.7 999 9999.9 30.07 70.7 0.7 99.9 20242550140045198 49 73.9 999.9 210 7.8 9.7 999 9999.9 30.07 70.7 0.7 99.9 20242550150045198 49 73.8 999.9 210 7.8 9.7 999 9999.9 30.07 70.7 0.7 99.9 20242550200045198 49 73.8 999.9 200 7.8 11.7 999 9999.9 30.07 70.7 0.7 99.9 20242550210045198 49 73.9 999.9 200 9.7 11.7 999 9999.9 30.07 70.7 0.7 99.9 20242550220045198 49 73.8 999.9 200 9.7 11.7 999 9999.9 30.07 70.5 0.7 99.9 20242550230045198 49 73.4 999.9 210 9.7 13.6 999 9999.9 30.07 70.5 0.7 99.9 20242550240045198 49 73.4 999.9 210 11.7 13.6 999 9999.9 30.07 70.5 0.7 99.9 20242550250045198 49 72.9 999.9 220 9.7 11.7 999 9999.9 30.07 70.5 0.7 99.9 20242550300045198 49 72.9 999.9 210 9.7 13.6 999 9999.9 30.07 70.5 1.0 2.0 20242550310045198 49 73.2 999.9 220 11.7 13.6 999 9999.9 30.08 70.5 1.0 99.9 20242550320045198 49 73.0 999.9 220 9.7 13.6 999 9999.9 30.08 70.5 1.0 99.9 20242550330045198 49 72.7 999.9 230 9.7 11.7 999 9999.9 30.08 70.5 1.0 99.9 20242550340045198 49 72.3 999.9 220 7.8 11.7 999 9999.9 30.08 70.5 1.0 99.9 20242550350045198 49 72.5 999.9 220 9.7 11.7 999 9999.9 30.08 70.3 1.0 2.0 20242550400045198 49 72.5 999.9 240 9.7 11.7 999 9999.9 30.08 70.3 1.0 2.0 20242550410045198 49 72.1 999.9 230 7.8 9.7 999 9999.9 30.08 70.3 1.0 2.0 20242550420045198 49 72.1 999.9 230 7.8 9.7 999 9999.9 30.08 70.3 1.0 2.0 20242550430045198 49 72.1 999.9 220 7.8 9.7 999 9999.9 30.08 70.3 1.0 2.0 20242550440045198 49 72.0 999.9 230 7.8 9.7 999 9999.9 30.08 70.3 1.0 2.0 20242550450045198 49 72.0 999.9 260 7.8 9.7 999 9999.9 30.08 70.3 1.0 2.0 20242550500045198 49 71.8 999.9 240 7.8 9.7 999 9999.9 30.08 70.3 0.7 99.9 20242550510045198 49 71.6 999.9 240 7.8 9.7 999 9999.9 30.08 70.3 0.7 99.9 20242550520045198 49 71.6 999.9 240 9.7 11.7 999 9999.9 30.08 70.3 0.7 99.9 20242550530045198 49 71.4 999.9 220 7.8 11.7 999 9999.9 30.08 70.3 0.7 99.9 20242550540045198 49 71.2 999.9 230 7.8 9.7 999 9999.9 30.08 70.3 0.7 99.9 20242550550045198 49 71.1 999.9 220 5.8 9.7 999 9999.9 30.08 70.3 0.7 99.9 20242550600045198 49 70.9 999.9 220 5.8 7.8 999 9999.9 30.08 70.3 0.7 99.9 20242550610045198 49 70.9 999.9 220 7.8 9.7 999 9999.9 30.08 70.3 0.7 99.9 20242550620045198 49 70.9 999.9 250 7.8 9.7 999 9999.9 30.07 70.2 0.7 99.9 20242550630045198 49 70.7 999.9 240 7.8 9.7 999 9999.9 30.07 70.2 0.7 99.9 20242550640045198 49 70.7 999.9 240 7.8 9.7 999 9999.9 30.07 70.2 0.7 99.9 20242550650045198 49 70.5 999.9 230 7.8 11.7 999 9999.9 30.07 70.2 0.7 99.9 20242550700045198 49 70.3 999.9 230 9.7 13.6 999 9999.9 30.06 70.2 0.7 99.9 20242550710045198 49 70.3 999.9 240 9.7 13.6 999 9999.9 30.06 70.2 0.7 99.9 20242550720045198 49 70.3 999.9 240 9.7 11.7 999 9999.9 30.06 70.2 0.7 99.9 20242550730045198 49 70.3 999.9 230 9.7 11.7 999 9999.9 30.06 70.2 0.7 99.9 20242550740045198 49 70.2 999.9 260 7.8 11.7 999 9999.9 30.06 70.2 0.7 99.9 20242550750045198 49 70.2 999.9 270 7.8 9.7 999 9999.9 30.07 70.2 0.7 99.9 20242550800045198 49 70.0 999.9 260 7.8 9.7 999 9999.9 30.07 70.2 0.7 99.9 20242550810045198 49 70.0 999.9 270 7.8 9.7 999 9999.9 30.07 70.2 0.7 99.9 20242550820045198 49 69.8 999.9 260 7.8 9.7 999 9999.9 30.07 70.2 0.7 99.9 20242550830045198 49 69.6 999.9 240 7.8 9.7 999 9999.9 30.07 70.2 0.7 99.9 20242550840045198 49 69.6 999.9 230 7.8 9.7 999 9999.9 30.07 70.2 0.7 99.9 20242550850045198 49 69.4 999.9 260 7.8 9.7 999 9999.9 30.07 70.2 0.7 99.9 20242550900045198 49 69.4 999.9 260 7.8 11.7 999 9999.9 30.07 70.2 0.7 99.9 20242550910045198 49 69.4 999.9 260 7.8 9.7 999 9999.9 30.07 70.2 0.7 99.9 20242550920045198 49 69.4 999.9 270 7.8 9.7 999 9999.9 30.07 70.2 0.7 99.9 20242550930045198 49 69.4 999.9 250 7.8 9.7 999 9999.9 30.08 70.0 0.7 99.9 20242550940045198 49 69.3 999.9 230 7.8 11.7 999 9999.9 30.08 70.0 0.7 99.9 20242550950045198 49 69.1 999.9 250 7.8 11.7 999 9999.9 30.08 70.0 0.7 99.9 20242551000045198 49 68.9 999.9 280 9.7 11.7 999 9999.9 30.08 70.2 0.7 99.9 20242551010045198 49 68.7 999.9 290 7.8 11.7 999 9999.9 30.08 70.2 0.7 99.9 20242551020045198 49 68.5 999.9 250 7.8 11.7 999 9999.9 30.08 70.2 0.7 99.9 20242551030045198 49 68.4 999.9 260 7.8 9.7 999 9999.9 30.09 70.0 0.7 99.9 20242551040045198 49 68.2 999.9 290 5.8 7.8 999 9999.9 30.09 70.0 0.7 99.9 20242551050045198 49 68.2 999.9 280 5.8 9.7 999 9999.9 30.09 70.0 0.7 99.9 20242551100045198 49 68.4 999.9 260 5.8 7.8 999 9999.9 30.09 70.0 0.7 99.9 20242551110045198 49 68.2 999.9 280 3.9 5.8 999 9999.9 30.10 70.0 0.7 99.9 20242551120045198 49 68.2 999.9 300 5.8 7.8 999 9999.9 30.10 70.0 0.7 99.9 20242551130045198 49 68.2 999.9 290 5.8 7.8 999 9999.9 30.10 70.0 0.7 99.9 20242551140045198 49 68.2 999.9 290 5.8 7.8 999 9999.9 30.10 70.0 0.7 99.9 20242551150045198 49 68.0 999.9 280 5.8 7.8 999 9999.9 30.11 70.0 0.7 99.9 20242551200045198 49 67.8 999.9 280 5.8 7.8 999 9999.9 30.11 70.0 0.7 99.9 20242551210045198 49 67.6 999.9 280 5.8 7.8 999 9999.9 30.11 70.0 0.7 99.9 20242551220045198 49 67.8 999.9 260 5.8 7.8 999 9999.9 30.11 70.0 0.7 99.9 20242551230045198 49 68.2 999.9 260 5.8 7.8 999 9999.9 30.12 70.0 0.7 99.9 20242551240045198 49 68.2 999.9 270 3.9 5.8 999 9999.9 30.12 70.0 0.7 99.9 20242551250045198 49 68.5 999.9 290 3.9 3.9 999 9999.9 30.12 70.0 0.7 99.9 20242551300045198 49 69.1 999.9 270 3.9 3.9 999 9999.9 30.12 70.0 0.7 99.9 20242551310045198 49 68.9 999.9 260 3.9 5.8 999 9999.9 30.12 70.0 0.7 99.9 20242551320045198 49 69.1 999.9 270 3.9 5.8 999 9999.9 30.12 70.0 0.7 99.9 20242551330045198 49 69.3 999.9 250 7.8 7.8 999 9999.9 30.12 70.0 0.7 99.9 20242551340045198 49 69.3 999.9 250 7.8 9.7 999 9999.9 30.12 70.0 0.7 99.9 20242551350045198 49 69.1 999.9 240 5.8 7.8 999 9999.9 30.12 70.2 0.7 99.9 20242551400045198 49 68.9 999.9 260 7.8 9.7 999 9999.9 30.12 70.2 0.7 99.9 20242551410045198 49 68.7 999.9 220 7.8 9.7 999 9999.9 30.12 70.2 0.7 99.9 20242551420045198 49 68.9 999.9 240 7.8 9.7 999 9999.9 30.12 70.2 0.7 99.9 20242551430045198 49 69.1 999.9 270 5.8 7.8 999 9999.9 30.13 70.2 0.7 99.9 20242551440045198 49 69.4 999.9 250 5.8 7.8 999 9999.9 30.12 70.2 0.7 99.9 20242551450045198 49 69.8 999.9 250 5.8 7.8 999 9999.9 30.12 70.2 0.7 99.9 20242551500045198 49 69.8 999.9 240 5.8 7.8 999 9999.9 30.13 70.2 0.7 99.9 20242551510045198 49 69.8 999.9 230 7.8 7.8 999 9999.9 30.12 70.3 0.7 99.9 20242551520045198 49 69.8 999.9 230 5.8 7.8 999 9999.9 30.13 70.3 0.7 99.9 20242551530045198 49 70.0 999.9 220 5.8 7.8 999 9999.9 30.12 70.3 0.7 99.9 20242551540045198 49 70.3 999.9 220 7.8 7.8 999 9999.9 30.12 70.3 0.7 99.9 20242551550045198 49 70.5 999.9 210 7.8 7.8 999 9999.9 30.12 70.3 0.7 99.9 20242551600045198 49 70.5 999.9 220 7.8 9.7 999 9999.9 30.12 70.3 0.7 99.9 20242551610045198 49 70.7 999.9 210 7.8 9.7 999 9999.9 30.12 70.5 0.7 99.9 20242551620045198 49 70.7 999.9 210 7.8 9.7 999 9999.9 30.12 70.5 0.7 99.9 20242551630045198 49 70.9 999.9 210 7.8 9.7 999 9999.9 30.12 70.5 0.7 99.9 20242551640045198 49 71.2 999.9 210 9.7 11.7 999 9999.9 30.12 70.5 0.7 99.9 20242551650045198 49 71.2 999.9 200 9.7 11.7 999 9999.9 30.12 70.5 0.7 99.9 20242551700045198 49 71.2 999.9 190 7.8 9.7 999 9999.9 30.12 70.7 0.7 99.9 20242551710045198 49 71.4 999.9 200 7.8 9.7 999 9999.9 30.11 70.7 0.7 99.9 20242551720045198 49 71.6 999.9 200 7.8 9.7 999 9999.9 30.11 70.7 0.7 99.9 20242551730045198 49 72.0 999.9 200 7.8 9.7 999 9999.9 30.11 70.7 0.7 99.9 20242551740045198 49 72.0 999.9 190 7.8 9.7 999 9999.9 30.11 70.7 0.7 99.9 20242551750045198 49 72.0 999.9 180 7.8 9.7 999 9999.9 30.10 70.7 0.7 99.9 20242551800045198 49 72.3 999.9 180 7.8 9.7 999 9999.9 30.10 70.7 1.0 99.9 20242551810045198 49 72.5 999.9 190 7.8 9.7 999 9999.9 30.10 70.9 1.0 2.0 20242551820045198 49 72.5 999.9 190 7.8 11.7 999 9999.9 30.09 70.9 0.7 99.9 20242551830045198 49 72.7 999.9 180 7.8 9.7 999 9999.9 30.09 70.9 1.0 99.9 20242551840045198 49 72.9 999.9 190 7.8 9.7 999 9999.9 30.09 71.1 1.0 99.9 20242551850045198 49 72.9 999.9 180 7.8 9.7 999 9999.9 30.08 71.1 1.0 99.9 20242551900045198 49 73.0 999.9 180 7.8 9.7 999 9999.9 30.08 71.1 1.0 99.9 20242551910045198 49 73.0 999.9 180 7.8 9.7 999 9999.9 30.08 71.1 0.7 99.9 20242551920045198 49 73.2 999.9 180 7.8 9.7 999 9999.9 30.07 71.1 1.0 99.9 20242551930045198 49 73.2 999.9 180 5.8 7.8 999 9999.9 30.07 71.2 1.0 99.9 20242551940045198 49 73.4 999.9 190 7.8 9.7 999 9999.9 30.06 71.2 1.0 99.9 20242551950045198 49 73.4 999.9 190 7.8 9.7 999 9999.9 30.06 71.2 1.0 99.9 20242552000045198 49 73.6 999.9 190 7.8 9.7 999 9999.9 30.06 71.2 0.7 99.9 20242552010045198 49 73.8 999.9 170 7.8 9.7 999 9999.9 30.06 71.2 1.0 99.9 20242552020045198 49 73.9 999.9 190 7.8 9.7 999 9999.9 30.05 71.2 0.7 99.9 20242552030045198 49 73.9 999.9 190 7.8 9.7 999 9999.9 30.05 71.2 0.7 99.9 20242552040045198 49 73.9 999.9 190 7.8 9.7 999 9999.9 30.05 71.2 0.7 99.9 20242552050045198 49 74.1 999.9 200 7.8 9.7 999 9999.9 30.05 71.2 1.0 99.9 20242552100045198 49 74.1 999.9 180 7.8 9.7 999 9999.9 30.04 71.2 1.0 99.9 20242552110045198 49 74.3 999.9 170 7.8 11.7 999 9999.9 30.04 71.4 1.0 99.9 20242552120045198 49 74.3 999.9 180 7.8 11.7 999 9999.9 30.04 71.2 1.0 2.0 20242552130045198 49 74.5 999.9 180 7.8 11.7 999 9999.9 30.04 71.2 1.0 2.0 20242552140045198 49 74.3 999.9 180 7.8 9.7 999 9999.9 30.03 71.2 1.0 2.0 20242552150045198 49 74.3 999.9 180 7.8 9.7 999 9999.9 30.03 71.2 1.0 2.0 20242552200045198 49 74.5 999.9 180 7.8 9.7 999 9999.9 30.03 71.2 1.0 99.9 20242552210045198 49 74.7 999.9 170 7.8 9.7 999 9999.9 30.03 71.2 1.0 2.0 20242552220045198 49 74.7 999.9 180 7.8 9.7 999 9999.9 30.03 71.2 1.0 2.0 20242552230045198 49 74.5 999.9 170 7.8 11.7 999 9999.9 30.03 71.2 1.0 2.0 20242552240045198 49 74.5 999.9 190 9.7 11.7 999 9999.9 30.03 71.2 1.0 2.0 20242552250045198 49 74.7 999.9 190 7.8 9.7 999 9999.9 30.03 71.2 1.0 2.0 20242552300045198 49 74.5 999.9 190 7.8 9.7 999 9999.9 30.03 71.1 1.0 99.9 20242552310045198 49 74.1 999.9 180 7.8 9.7 999 9999.9 30.03 71.2 1.0 99.9 20242552320045198 49 73.9 999.9 170 7.8 9.7 999 9999.9 30.03 71.1 1.0 99.9 20242552330045198 49 73.9 999.9 180 7.8 9.7 999 9999.9 30.03 71.2 1.0 99.9 20242552340045198 49 73.9 999.9 180 5.8 7.8 999 9999.9 30.03 71.2 1.0 99.9 20242552350045198 49 73.8 999.9 180 5.8 7.8 999 9999.9 30.03 71.2 0.7 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]
144 matching elements
0.028 sec

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