Chicago,IL Weather Almanac 41.8 N - 87.6 W - 690 ft Almanac Data for: 10/11/08 17:07:10 Sunrise: 06:59 - Midday: 12:37 - Sunset: 18:16 - Day Length: 11:17 Civil Twilight: 06:32 - 18:43   Astronomical Twilight: 05:27 - 19:48

Temperature   Dew Point   Humidity Current: 70.0 F Hour Average: 70.3 F Hour Change: 0.3 F Day Average: 63.7 F Day Change: 5.4 F Day High: 74.2 F  at   12:30 Day Low: 55.1 F  at   07:17 Week Average: 58.9 F Week Change: 14.9 F Month Average: 57.4 F Month High: 74.2 F on  10/11/08 Month Low: 44.5 F on  10/02/08 Year Average: 67.2 F Year High: 89.8 F on  06/12/08 Year Low: 36.1 F on  04/28/08   Current: 58.5 F Hour Average: 58.4 F Hour Change: -0.1 F Day Average: 48.2 F Day Change: 6.0 F Day High: 59.0 F  at   16:05 Day Low: 39.7 F  at   02:13 Week Average: 46.6 F Week Change: 21.3 F Month Average: 45.4 F Month High: 60.8 F on  10/08/08 Month Low: 29.2 F on  10/09/08 Year Average: 50.3 F Year High: 75.3 F on  06/07/08 Year Low: 20.1 F on  02/21/08   Current: 67 % Hour Average: 66 % Hour Change: -1 % Day Average: 57 % Day Change: 2 % Day High: 68 %  at   15:44 Day Low: 44 %  at   02:03 Week Average: 65 % Week Change: 16 % Month Average: 66 % Month High: 96 % on  10/08/08 Month Low: 24 % on  10/09/08 Year Average: 59 % Year High: 100 % on  06/04/08 Year Low: 18 % on  02/21/08

Wind Chill   Heat Index   Wind Run Current: 70.0 F Day Low: 55.1 F  at   07:17 Month Low: 41.1 F on  10/02/08 Year Low: 28.6 F on  04/28/08   Current: 70.0 F Day High: 74.2 F  at   12:30 Month High: 74.2 F on  10/11/08 Year High: 94.0 F on  07/16/08   Hour: 3.4 miles Day: 62.6 miles Week: 973.8 miles Month: 1489.1 miles Year: 25552.6 miles

Wind   Barometer   Rain Current Direction: 109 degrees Hour Dom Direction: 78 degrees Hour Direction Change: 24 degrees Day Dom Direction: 119 degrees Day Direction Change: 47 degrees Week Dom Direction: 109 degrees Week Direction Change: 24 degrees Month Dom Direction: 95 degrees Year Dom Direction: 231 degrees Current Speed: 2 mph Hour Avg Speed: 3.4 mph Hour Speed Change: 3 mph Day Avg Speed: 3.7 mph Day Speed Change: 2 mph Day High Speed: 14 mph  at   01:59 Week Avg Speed: 5.3 mph Week Speed Change: 2 mph Month Avg Speed: 5.8 mph Month High Speed: 28 mph on  10/01/08 Year Avg Speed: 4.8 mph Year High Speed: 56 mph on  08/04/08   Current: 30.251 in Hour Average: 30.255 in Hour Change: -0.010 in Day Average: 30.277 in Day Change: 0.065 in Day High: 30.319 in  at   10:20 Day Low: 30.231 in  at   00:16 Week Average: 30.164 in Week Change: -0.034 in Month Average: 30.119 in Month High: 30.339 in on  10/05/08 Month Low: 29.769 in on  10/08/08 Year Average: 29.987 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: 1.20 in Month High Rate: 3.29 in/hr on  10/02/08 Year (JAN): 30.35 in Year High Rate: 82.29 in/hr on  04/09/08

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