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Real-Time Meteorological Observation NetworkChicago, IL
(CHII2) Harrison-Dever Crib, approx. 2.75 miles offshore
See Metadata File for full description of instruments and parameters, as well as site maps.
Conditions at 7:06 pm CST on 01/20/2017 (DOY 021 01:06 GMT)
(Updated at about 07,22,37,52 minutes past the hour)
Wind Speed:
9.7 kts (5.0 m/s)
Max Wind Speed:
10.1 kts (5.2 m/s)
Wind Direction:
120° (ESE)
Air Temperature:
38.7 °F (3.7 °C)
Wind Chill:
31.5 °F (-0.3 °C)
Dew Point:
38.6 °F (3.7 °C)
Relative Humidity:
99.9 %
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------------- Previous 18 Hours (at top of hour) [English] [Metric ] -------------
YEAR DOY
CST
Wind Speed kts
Wind Gust kts
Peak Wind kts
Wind Dir deg
Air Temp deg F
Dew Point deg F
Rel Hum %
2017 020 1900 11.3 11.5 11.5 118 38.8 38.8 99.9
2017 020 1800 2.3 3.7 13.4 122 37.6 37.6 99.9
2017 020 1700 2.9 4.1 5.1 150 37.4 37.4 99.9
2017 020 1600 7.8 7.8 9.5 111 38.3 38.3 99.9
2017 020 1500 7.4 7.6 9.3 113 37.9 37.9 99.9
2017 020 1400 6.0 6.2 9.1 093 38.7 38.6 99.9
2017 020 1300 3.7 3.9 6.2 101 38.3 38.3 99.9
2017 020 1200 3.5 4.1 8.0 166 38.8 38.8 99.9
2017 020 1100 1.9 2.3 7.8 198 37.2 37.2 99.9
2017 020 1000 1.9 2.5 11.5 344 37.8 37.6 99.4
2017 020 0900 4.9 5.2 6.2 088 37.8 37.6 99.3
2017 020 0800 10.7 10.7 12.1 078 38.3 38.2 99.7
2017 020 0700 10.7 10.9 12.6 067 37.9 37.9 99.9
2017 020 0600 10.7 11.3 12.8 061 38.1 38.1 99.9
2017 020 0500 10.5 11.3 13.6 055 37.8 37.7 99.9
2017 020 0400 10.3 11.1 15.4 050 37.8 37.7 99.9
2017 020 0300 15.2 16.1 16.1 053 38.3 38.3 99.9
2017 020 0200 13.2 14.4 16.7 066 37.8 37.7 99.9
Note: Peak wind is max wind gust during entire hour
Click here for today's 2-minute
data: 20170121.04t.txt , data format (metadata)
Click here for past data:
2017 | Archive
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These data are also available from NDBC website and NDBC's Dial-a-Buoy Program .
See also NWS Marine Forecast for this area , and NWS Recreational Beach Forecast
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Special thanks to
City of Chicago, IL / Water Department ,
USACE
Additional Great Lakes Meteorological Observations
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