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 8:45 pm CST on 11/20/2009 (DOY 325 2:45 GMT)

Wind Speed:	9.93 kts (5.11 m/s)
Max Wind Speed:	11.04 kts (5.68 m/s)
Wind Direction:	244° (WSW)
Air Temperature:	49.2 °F (9.5 °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	CST	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	324	2000	11.08	13.34	13.72	247	49.4
2009	324	1900	10.14	11.62	13.53	252	50.1
2009	324	1800	8.06	10.67	14.48	231	51.2
2009	324	1700	9.25	11.43	13.34	239	51.8
2009	324	1600	10.89	14.68	14.68	238	52.5
2009	324	1500	8.46	12.00	15.24	231	52.7
2009	324	1400	7.48	11.05	13.72	230	52.4
2009	324	1300	8.93	11.43	12.19	244	51.8
2009	324	1200	9.48	11.05	13.53	247	50.7
2009	324	1100	11.23	13.90	13.90	259	49.2
2009	324	1000	7.89	9.53	13.90	265	47.4
2009	324	0900	11.15	13.53	13.53	257	45.4
2009	324	0800	13.15	15.05	16.39	264	45.4
2009	324	0700	12.99	15.44	16.76	254	44.9
2009	324	0600	13.28	16.19	18.66	260	45.2
2009	324	0500	12.63	16.19	18.29	267	45.5
2009	324	0400	17.17	20.20	20.76	255	45.4
2009	324	0300	15.28	19.44	19.44	265	45.5

Note: Peak wind is max wind speed during entire hour

Click here for current data: 20091121.04t.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.