Chicago,IL Weather Almanac 41.8 N - 87.6 W - 690 ft Almanac Data for: 08/28/08 10:08:10 Sunrise: 06:13 - Midday: 12:52 - Sunset: 19:31 - Day Length: 13:18 Civil Twilight: 05:45 - 19:59   Astronomical Twilight: 04:33 - 21:10

Temperature   Dew Point   Humidity Current: 72.4 F Hour Average: 71.8 F Hour Change: 1.7 F Day Average: 68.8 F Day Change: 0.2 F Day High: 72.5 F  at   09:50 Day Low: 66.0 F  at   06:21 Week Average: 72.0 F Week Change: 1.1 F Month Average: 72.2 F Month High: 87.4 F on  08/23/08 Month Low: 62.8 F on  08/26/08 Year Average: 67.6 F Year High: 89.8 F on  06/12/08 Year Low: 36.1 F on  04/28/08   Current: 64.0 F Hour Average: 64.0 F Hour Change: 0.5 F Day Average: 63.7 F Day Change: 3.0 F Day High: 66.2 F  at   01:55 Day Low: 61.5 F  at   05:16 Week Average: 62.2 F Week Change: 5.1 F Month Average: 61.3 F Month High: 74.7 F on  08/23/08 Month Low: 48.8 F on  08/10/08 Year Average: 49.1 F Year High: 75.3 F on  06/07/08 Year Low: 20.1 F on  02/21/08   Current: 75 % Hour Average: 77 % Hour Change: -3 % Day Average: 84 % Day Change: 7 % Day High: 88 %  at   01:55 Day Low: 75 %  at   09:40 Week Average: 72 % Week Change: 10 % Month Average: 70 % Month High: 97 % on  08/05/08 Month Low: 41 % on  08/06/08 Year Average: 56 % Year High: 100 % on  06/04/08 Year Low: 18 % on  02/21/08

Wind Chill   Heat Index   Wind Run Current: 72.4 F Day Low: 66.0 F  at   06:21 Month Low: 62.8 F on  08/26/08 Year Low: 28.6 F on  04/28/08   Current: 72.4 F Day High: 72.5 F  at   09:50 Month High: 93.9 F on  08/04/08 Year High: 94.0 F on  07/16/08   Hour: 4.9 miles Day: 30.6 miles Week: 1228.1 miles Month: 3840.8 miles Year: 20004.3 miles

Wind   Barometer   Rain Current Direction: 194 degrees Hour Dom Direction: 180 degrees Hour Direction Change: 28 degrees Day Dom Direction: 147 degrees Day Direction Change: 185 degrees Week Dom Direction: 48 degrees Week Direction Change: 118 degrees Month Dom Direction: 28 degrees Year Dom Direction: 227 degrees Current Speed: 3 mph Hour Avg Speed: 4.9 mph Hour Speed Change: 3 mph Day Avg Speed: 3.1 mph Day Speed Change: 3 mph Day High Speed: 15 mph  at   09:54 Week Avg Speed: 6.9 mph Week Speed Change: 0 mph Month Avg Speed: 5.8 mph Month High Speed: 56 mph on  08/04/08 Year Avg Speed: 4.6 mph Year High Speed: 56 mph on  08/04/08   Current: 29.894 in Hour Average: 29.896 in Hour Change: 0.003 in Day Average: 29.876 in Day Change: -0.108 in Day High: 29.912 in  at   00:00 Day Low: 29.840 in  at   02:26 Week Average: 30.041 in Week Change: -0.203 in Month Average: 30.013 in Month High: 30.228 in on  08/16/08 Month Low: 29.767 in on  08/01/08 Year Average: 29.957 in Year High: 30.488 in on  05/28/08 Year Low: 29.295 in on  05/11/08   Rate: 0.00 in/hr Day: 0.00 in Storm: 0.00 in Storm Start: -------- ----- Day High Rate: 0.00 in/hr  at   ----- Month: 4.01 in Month High Rate: 18.00 in/hr on  08/04/08 Year (JAN): 18.31 in Year High Rate: 82.29 in/hr on  04/09/08

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