Weather History for Chicago, IL

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Saturday, October 6, 2012

  Actual Average Record
Temperature  
Mean Temperature 42 °F 56 °F  
Max Temperature 50 °F 66 °F 94 °F (1963)
Min Temperature 34 °F 46 °F 28 °F (1952)
Degree Days  
Heating Degree Days 23 10  
Month to date heating degree days 61 53  
Since 1 July heating degree days 168 171  
Cooling Degree Days 0 1  
Month to date cooling degree days 0 6  
Year to date cooling degree days 1321 838  
Moisture  
Dew Point 27 °F    
Average Humidity 58    
Maximum Humidity 70    
Minimum Humidity 45    
Precipitation  
Precipitation 0.00 in 0.10 in 1.57 in (1955)
Month to date precipitation 0.38 0.60  
Year to date precipitation 20.98 28.94  
Snow  
Snow 0.00 in 0.00 in T in (1935)
Month to date snowfall 0.0 0.0  
Since 1 July snowfall 0.0 0.0  
Since 1 September snowfall 0.0 0.0  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.12 in    
Wind  
Wind Speed 10 mph (WNW)    
Max Wind Speed 18 mph    
Max Gust Speed -    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Oct. 06, 2012 Rise Set
Actual Time 6:54 AM CDT 6:23 PM CDT
Civil Twilight 6:26 AM CDT 6:51 PM CDT
Nautical Twilight 5:54 AM CDT 7:24 PM CDT
Astronomical Twilight 5:21 AM CDT 7:56 PM CDT
Moon 10:35 PM CDT (10/6) 12:53 PM CDT (10/6)
Length of Visible Light 12h 25m
Length of Day
11h 29m
Waning Gibbous, 65% of the Moon is Illuminated
Oct 6
Waning Gibbous
Oct 8
Last Quarter
Oct 15
New
Oct 21
First Quarter
Oct 29
Full

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 39.9 °F 35.1 °F 25.0 °F 55% 30.07 in 10.0 mi West 6.9 mph - N/A   Clear
1:51 AM 39.0 °F 34.0 °F 24.1 °F 55% 30.06 in 10.0 mi West 6.9 mph - N/A   Clear
2:51 AM 37.9 °F 32.1 °F 25.0 °F 60% 30.06 in 10.0 mi West 8.1 mph - N/A   Clear
3:51 AM 37.0 °F 29.3 °F 25.0 °F 62% 30.06 in 10.0 mi WNW 11.5 mph - N/A   Clear
4:51 AM 36.0 °F 28.5 °F 26.1 °F 67% 30.07 in 10.0 mi WNW 10.4 mph - N/A   Clear
5:51 AM 36.0 °F 30.3 °F 26.1 °F 67% 30.10 in 10.0 mi West 6.9 mph - N/A   Clear
6:51 AM 35.1 °F 32.2 °F 26.1 °F 70% 30.11 in 10.0 mi West 3.5 mph - N/A   Partly Cloudy
7:51 AM 37.0 °F 29.8 °F 27.0 °F 67% 30.12 in 10.0 mi WNW 10.4 mph - N/A   Partly Cloudy
8:51 AM 39.9 °F 32.9 °F 28.0 °F 63% 30.12 in 10.0 mi WNW 11.5 mph - N/A   Scattered Clouds
9:51 AM 43.0 °F 36.4 °F 28.0 °F 56% 30.14 in 10.0 mi WNW 12.7 mph - N/A   Scattered Clouds
10:51 AM 45.0 °F 38.2 °F 27.0 °F 49% 30.13 in 10.0 mi NW 15.0 mph - N/A   Scattered Clouds
11:51 AM 48.0 °F - 28.9 °F 48% 30.14 in 10.0 mi NW 11.5 mph - N/A   Mostly Cloudy
12:51 PM 48.9 °F - 28.9 °F 46% 30.14 in 10.0 mi WNW 15.0 mph - N/A   Mostly Cloudy
1:51 PM 48.0 °F - 28.0 °F 46% 30.13 in 10.0 mi NNW 11.5 mph - N/A   Mostly Cloudy
2:51 PM 48.2 °F - 28.4 °F 46% 30.12 in 10.0 mi WNW 10.4 mph - N/A   Mostly Cloudy
3:51 PM 46.9 °F - 27.0 °F 46% 30.14 in 10.0 mi NNW 11.5 mph - N/A   Overcast
4:51 PM 46.4 °F 41.5 °F 26.6 °F 46% 30.13 in 10.0 mi NW 10.4 mph - N/A   Overcast
5:51 PM 46.4 °F 41.5 °F 26.6 °F 46% 30.14 in 10.0 mi NW 10.4 mph - N/A   Overcast
6:51 PM 45.0 °F 40.6 °F 28.0 °F 52% 30.17 in 10.0 mi NW 8.1 mph - N/A   Overcast
7:51 PM 45.0 °F 40.1 °F 27.0 °F 49% 30.17 in 10.0 mi NW 9.2 mph - N/A   Overcast
8:51 PM 44.1 °F 39.5 °F 28.0 °F 53% 30.17 in 10.0 mi WNW 8.1 mph - N/A   Overcast
9:51 PM 44.1 °F 39.5 °F 28.0 °F 53% 30.17 in 10.0 mi NW 8.1 mph - N/A   Overcast
10:51 PM 44.1 °F 39.5 °F 28.0 °F 53% 30.18 in 10.0 mi NW 8.1 mph - N/A   Overcast
11:51 PM 42.8 °F 37.5 °F 28.4 °F 57% 30.16 in 10.0 mi WNW 9.2 mph - N/A   Overcast