Weather History for Chicago, IL

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Wednesday, April 9, 2008

  Actual Average Record
Temperature  
Mean Temperature 45 °F 46 °F  
Max Temperature 52 °F 56 °F 80 °F (1887)
Min Temperature 37 °F 37 °F 20 °F (1989)
Degree Days  
Heating Degree Days 20 19  
Month to date heating degree days 174 181  
Since 1 July heating degree days 5791 5756  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 1  
Moisture  
Dew Point 34 °F    
Average Humidity 74    
Maximum Humidity 96    
Minimum Humidity 52    
Precipitation  
Precipitation 0.00 in 0.12 in 1.49 in (1882)
Month to date precipitation 0.82 0.96  
Year to date precipitation 8.91 6.98  
Snow  
Snow 0.00 in 0.10 in 1.80 in (1961)
Month to date snowfall 0.0 0.7  
Since 1 July snowfall 60.3 35.9  
Snow Depth -    
Sea Level Pressure  
Sea Level Pressure 30.09 in    
Wind  
Wind Speed 11 mph (WNW)    
Max Wind Speed 26 mph    
Max Gust Speed 36 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Apr. 09, 2008 Rise Set
Actual Time 6:20 AM CDT 7:26 PM CDT
Civil Twilight 5:51 AM CDT 7:55 PM CDT
Nautical Twilight 5:17 AM CDT 8:29 PM CDT
Astronomical Twilight 4:41 AM CDT 9:05 PM CDT
Moon 8:11 AM CDT (4/9) No Moon Set
Length of Visible Light 14h 03m
Length of Day
13h 06m
Waxing Crescent, 17% of the Moon is Illuminated
Apr 9
Waxing Crescent
Apr 12
First Quarter
Apr 20
Full
Apr 28
Last Quarter
May 5
New

Hourly Weather History & Observations

Time (CDT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:51 AM 43.0 °F 35.4 °F 41.0 °F 93% 29.82 in 7.0 mi West 16.1 mph 23.0 mph N/A   Overcast
1:51 AM 39.9 °F 29.5 °F 37.0 °F 89% 29.87 in 10.0 mi West 24.2 mph 33.4 mph N/A   Overcast
2:51 AM 39.0 °F 29.6 °F 36.0 °F 89% 29.91 in 10.0 mi WNW 18.4 mph 33.4 mph N/A   Overcast
3:06 AM 39.2 °F 30.5 °F 35.6 °F 87% 29.91 in 10.0 mi WNW 16.1 mph 28.8 mph N/A   Overcast
3:51 AM 39.0 °F 30.6 °F 35.1 °F 86% 29.95 in 10.0 mi WNW 15.0 mph 23.0 mph N/A   Overcast
4:35 AM 37.4 °F 29.3 °F 33.8 °F 87% 29.97 in 10.0 mi West 12.7 mph - N/A   Overcast
4:51 AM 37.9 °F 30.5 °F 34.0 °F 86% 29.99 in 10.0 mi West 11.5 mph - N/A   Overcast
5:51 AM 37.0 °F 28.1 °F 33.1 °F 86% 30.02 in 10.0 mi WNW 15.0 mph - N/A   Overcast
6:51 AM 37.9 °F 30.0 °F 33.1 °F 83% 30.07 in 10.0 mi WNW 12.7 mph - N/A   Overcast
7:21 AM 37.4 °F 30.3 °F 32.0 °F 81% 30.07 in 10.0 mi WNW 10.4 mph - N/A   Overcast
7:51 AM 37.9 °F 30.5 °F 32.0 °F 79% 30.10 in 10.0 mi WNW 11.5 mph - N/A   Overcast
8:51 AM 39.0 °F 32.3 °F 32.0 °F 76% 30.12 in 10.0 mi West 10.4 mph - N/A   Overcast
9:51 AM 39.0 °F 31.0 °F 32.0 °F 76% 30.13 in 10.0 mi WNW 13.8 mph - N/A   Overcast
10:51 AM 41.0 °F 34.3 °F 33.1 °F 73% 30.15 in 10.0 mi WNW 11.5 mph - N/A   Overcast
11:51 AM 43.0 °F 37.7 °F 35.1 °F 74% 30.16 in 10.0 mi WNW 9.2 mph - N/A   Mostly Cloudy
12:51 PM 44.1 °F 40.1 °F 34.0 °F 68% 30.16 in 10.0 mi West 6.9 mph - N/A   Mostly Cloudy
1:51 PM 46.9 °F - 36.0 °F 66% 30.17 in 10.0 mi WNW 9.2 mph - N/A   Mostly Cloudy
2:39 PM 48.2 °F - 35.6 °F 62% 30.16 in 10.0 mi West 5.8 mph - N/A   Scattered Clouds
2:51 PM 48.9 °F - 36.0 °F 61% 30.16 in 10.0 mi NW 5.8 mph - N/A   Scattered Clouds
4:51 PM 51.1 °F - 35.1 °F 54% 30.17 in 10.0 mi Calm Calm - N/A   Scattered Clouds
5:51 PM 48.0 °F - 35.1 °F 61% 30.18 in 10.0 mi East 10.4 mph - N/A   Scattered Clouds
6:51 PM 45.0 °F 39.7 °F 34.0 °F 65% 30.20 in 10.0 mi ENE 10.4 mph - N/A   Mostly Cloudy
7:51 PM 43.0 °F 37.7 °F 34.0 °F 71% 30.22 in 10.0 mi ESE 9.2 mph - N/A   Mostly Cloudy
8:51 PM 42.8 °F 36.2 °F 33.8 °F 70% 30.20 in 10.0 mi ENE 12.7 mph - N/A   Overcast
9:51 PM 39.0 °F 32.3 °F 33.1 °F 79% 30.23 in 10.0 mi East 10.4 mph - N/A   Overcast
10:51 PM 39.2 °F 34.2 °F 33.8 °F 81% 30.22 in 10.0 mi East 6.9 mph - N/A   Mostly Cloudy
11:51 PM 39.0 °F 30.3 °F 33.1 °F 79% 30.21 in 10.0 mi ENE 16.1 mph - N/A   Mostly Cloudy