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 11:45 am CST on 11/07/2009 (DOY 311 17:45 GMT)

Wind Speed:	18.68 kts (9.61 m/s)
Max Wind Speed:	24.38 kts (12.54 m/s)
Wind Direction:	239° (WSW)
Air Temperature:	63.6 °F (17.6 °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	311	1100	21.50	31.63	32.58	234	61.6
2009	311	1000	25.58	34.10	35.44	230	59.7
2009	311	0900	25.29	34.10	34.49	221	58.8
2009	311	0800	24.86	33.90	35.05	203	56.6
2009	311	0700	24.73	30.68	38.49	201	55.5
2009	311	0600	24.92	28.58	33.90	190	55.2
2009	311	0500	21.36	27.24	32.00	185	53.8
2009	311	0400	23.78	29.14	29.14	186	54.0
2009	311	0300	26.38	31.05	34.10	188	55.1
2009	311	0200	29.49	35.63	36.76	184	55.8
2009	311	0100	25.12	30.48	35.44	181	55.6
2009	311	0000	24.81	29.92	31.82	183	55.5
2009	310	2300	26.05	29.53	32.39	182	55.5
2009	310	2200	24.84	29.34	30.68	183	55.5
2009	310	2100	23.19	28.38	31.43	176	55.1
2009	310	2000	23.85	29.34	32.39	176	55.8
2009	310	1900	21.60	30.48	31.63	170	55.5
2009	310	1800	22.22	26.28	27.24	160	55.8

Note: Peak wind is max wind speed during entire hour

Click here for current data: 20091107.04t.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.