Chicago, IL Meteorological Data & WebCam

Real-Time Meteorological Observation Network
Chicago, IL (CHII2) Harrison-Dever Crib, approx. 3 miles offshore, 41° 55´ N, 87° 34´ W

See Metadata File for full description of instruments and parameters, as well as site maps.

Conditions at 11:15 pm CDT on 08/25/2009 (DOY 238 4:15 GMT)

Wind Speed:	17.15 kts (8.82 m/s)
Max Wind Speed:	20.57 kts (10.58 m/s)
Wind Direction:	200° (SSW)
Air Temperature:	73.3 °F (23.0 °C)
Plot & Data of Previous 3 Hours (5 minute increments)
Plot of Previous 5 Days (hourly increments)

Click on WebCam image to enlarge
(image is updated once per hour)

YEAR	DOY	CDT	WIND SPD kts	WIND GUST kts	PEAK WIND kts	WIND DIR deg	AIR TEMP deg F
-------- Previous 18 Hours (at top of hour) [English] [Metric] --------
2009	237	2300	15.73	19.81	24.01	203	73.8
2009	237	2200	11.82	14.85	19.81	196	74.1
2009	237	2100	11.38	12.95	15.44	195	74.7
2009	237	2000	12.33	16.39	16.95	201	75.1
2009	237	1900	15.12	17.71	18.66	202	76.4
2009	237	1800	13.45	15.63	19.62	195	76.7
2009	237	1700	15.12	17.15	20.20	187	76.3
2009	237	1600	14.91	16.39	19.81	181	76.2
2009	237	1500	18.55	20.39	20.39	182	74.3
2009	237	1400	13.96	17.15	24.77	198	74.6
2009	237	1300	14.56	17.34	18.49	190	73.2
2009	237	1200	15.14	17.90	19.25	198	71.9
2009	237	1100	17.24	19.25	22.10	198	72.0
2009	237	1000	20.55	22.86	25.33	205	70.7
2009	237	0900	11.91	13.53	22.10	167	66.3
2009	237	0800	10.25	12.00	14.48	183	65.8
2009	237	0700	11.62	16.19	16.19	196	65.8
2009	237	0600	13.63	15.80	18.66	202	66.3

Note: Peak wind is max wind speed during entire hour

Click here for current data: 20090826.04t.txt, data format

Click here for past data: 2009 | Archive

These data are also available from NDBC's Dial-a-Buoy. See http://www.ndbc.noaa.gov/dial.shtml for details.

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Special thanks to City of Chicago, IL / Water Department, USACE / WES.