Weather History for Chicago, IL

Friday, August 3, 2012 — View Current Weather Conditions
Friday, August 3, 2012
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Daily Weekly Monthly Custom
  Actual Average Record
Temperature
Mean Temperature 83 °F 74 °F  
Max Temperature 95 °F 83 °F 98 °F (1964)
Min Temperature 71 °F 64 °F 48 °F (1966)
Degree Days
Heating Degree Days 0 0  
Month to date heating degree days 0 0  
Since 1 June heating degree days 14 52  
Since 1 July heating degree days 0 4  
Cooling Degree Days 18 9  
Month to date cooling degree days 47 27  
Year to date cooling degree days 1015 529  
Since 1 June cooling degree days 844 475  
Growing Degree Days 33 (Base 50)    
Moisture
Dew Point 67 °F    
Average Humidity 63    
Maximum Humidity 93    
Minimum Humidity 32    
Precipitation
Precipitation 0.00 in 0.16 in 2.10 in (1915)
Month to date precipitation 0.00 0.49  
Year to date precipitation 16.77 20.72  
Snow
Snow 0.00 in 0.00 in T in (2003)
Month to date snowfall 0.0 0.0  
Since 1 June snowfall 0.0 0.0  
Since 1 July snowfall 0.0 0.0  
Snow Depth 0.00 in    
Sea Level Pressure
Sea Level Pressure 29.86 in    
Wind
Wind Speed 6 mph (ENE)    
Max Wind Speed 16 mph    
Max Gust Speed 23 mph    
Visibility 9 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary
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Astronomy
Aug. 03, 2012 Rise Set
Actual Time 5:47 AM CDT 8:07 PM CDT
Civil Twilight 5:16 AM CDT 8:38 PM CDT
Nautical Twilight 4:37 AM CDT 9:16 PM CDT
Astronomical Twilight 3:54 AM CDT 9:59 PM CDT
Moon 8:42 PM CDT (8/3) 7:33 AM CDT (8/3)
Length Of Visible Light 15h 21m
Length of Day
14h 19m
Full, 97% of the Moon is Illuminated
Aug 3
Full
Aug 9
Last Quarter
Aug 17
New
Aug 24
First Quarter
Aug 31
Full
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Hourly Weather History & Observations
Time (CDT) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:51 AM 75.0 °F - 69.1 °F 82% 29.84 in 9.0 mi NNE 4.6 mph - N/A   Clear
1:51 AM 73.9 °F - 69.1 °F 85% 29.86 in 10.0 mi Calm Calm - N/A   Clear
2:51 AM 73.9 °F - 70.0 °F 87% 29.83 in 10.0 mi NNE 4.6 mph - N/A   Clear
3:51 AM 73.0 °F - 70.0 °F 90% 29.84 in 10.0 mi NNE 4.6 mph - N/A   Clear
4:51 AM 73.9 °F - 71.1 °F 91% 29.83 in 8.0 mi NE 6.9 mph - N/A   Clear
5:51 AM 73.0 °F - 71.1 °F 93% 29.86 in 6.0 mi Calm Calm - N/A   Partly Cloudy
6:51 AM 75.9 °F - 72.0 °F 87% 29.87 in 6.0 mi Variable 4.6 mph - N/A   Partly Cloudy
7:51 AM 78.1 °F - 71.1 °F 79% 29.88 in 8.0 mi South 3.5 mph - N/A   Partly Cloudy
8:51 AM 81.0 °F 84.1 °F 69.1 °F 67% 29.88 in 9.0 mi SSW 3.5 mph - N/A   Clear
9:51 AM 84.9 °F 86.6 °F 64.9 °F 51% 29.88 in 10.0 mi West 4.6 mph - N/A   Partly Cloudy
10:51 AM 89.1 °F 89.0 °F 61.0 °F 39% 29.88 in 10.0 mi Calm Calm - N/A   Partly Cloudy
11:51 AM 89.1 °F 88.8 °F 60.1 °F 38% 29.88 in 10.0 mi Calm Calm - N/A   Partly Cloudy
12:51 PM 93.0 °F 92.3 °F 59.0 °F 32% 29.87 in 10.0 mi East 6.9 mph - N/A   Partly Cloudy
1:51 PM 91.9 °F 94.1 °F 64.9 °F 41% 29.87 in 10.0 mi East 13.8 mph - N/A   Partly Cloudy
2:51 PM 90.0 °F 92.4 °F 66.0 °F 45% 29.87 in 10.0 mi East 12.7 mph - N/A   Partly Cloudy
3:51 PM 91.0 °F 94.3 °F 66.9 °F 45% 29.86 in 10.0 mi ENE 12.7 mph 19.6 mph N/A   Scattered Clouds
4:51 PM 91.0 °F 94.3 °F 66.9 °F 45% 29.86 in 10.0 mi East 13.8 mph - N/A   Scattered Clouds
5:51 PM 89.1 °F 91.3 °F 66.0 °F 46% 29.86 in 10.0 mi East 12.7 mph - N/A   Mostly Cloudy
6:51 PM 87.1 °F 88.9 °F 64.9 °F 48% 29.85 in 10.0 mi East 11.5 mph - N/A   Scattered Clouds
7:51 PM 84.9 °F 86.6 °F 64.9 °F 51% 29.86 in 10.0 mi East 8.1 mph - N/A   Scattered Clouds
8:51 PM 82.4 °F 84.6 °F 66.2 °F 58% 29.89 in 10.0 mi NE 6.9 mph - N/A   Scattered Clouds
9:51 PM 80.1 °F 83.2 °F 70.0 °F 71% 29.87 in 10.0 mi NE 5.8 mph - N/A   Scattered Clouds
10:51 PM 79.0 °F - 73.0 °F 82% 29.87 in 10.0 mi NE 5.8 mph - N/A   Partly Cloudy
11:51 PM 79.0 °F - 73.0 °F 82% 29.88 in 10.0 mi NE 4.6 mph - N/A   Partly Cloudy
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