Weather History for Chicago Executive, IL

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Tuesday, September 18, 2012

  Actual Average Record
Temperature  
Mean Temperature 52 °F 63 °F  
Max Temperature 62 °F 74 °F 89 °F (2007)
Min Temperature 42 °F 53 °F 42 °F (2012)
Degree Days  
Heating Degree Days 13 4  
Month to date heating degree days 26 33  
Since 1 July heating degree days 27 43  
Cooling Degree Days 0 2  
Month to date cooling degree days 81 64  
Year to date cooling degree days 1225 761  
Growing Degree Days 4 (Base 50)    
Moisture  
Dew Point 40 °F    
Average Humidity 63    
Maximum Humidity 87    
Minimum Humidity 33    
Precipitation  
Precipitation T in 0.10 in 0.71 in (2001)
Month to date precipitation 1.30 1.88  
Year to date precipitation 16.16 24.36  
Sea Level Pressure  
Sea Level Pressure 29.92 in    
Wind  
Wind Speed 10 mph (NNW)    
Max Wind Speed 21 mph    
Max Gust Speed 28 mph    
Visibility 10 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Sep. 18, 2012 Rise Set
Actual Time 6:35 AM CDT 6:55 PM CDT
Civil Twilight 6:07 AM CDT 7:22 PM CDT
Nautical Twilight 5:34 AM CDT 7:55 PM CDT
Astronomical Twilight 5:00 AM CDT 8:29 PM CDT
Moon 9:39 AM CDT (9/18) 8:13 PM CDT (9/18)
Length of Visible Light 13h 15m
Length of Day
12h 19m
Waxing Crescent, 9% of the Moon is Illuminated
Sep 18
Waxing Crescent
Sep 22
First Quarter
Sep 29
Full
Oct 8
Last Quarter
Oct 15
New

Hourly Weather History & Observations

Time (CDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:52 AM 55.9 °F 52.0 °F 87% 29.81 in 9.0 mi North 10.4 mph - 0.00 in Rain Light Rain
1:52 AM 54.0 °F 48.9 °F 83% 29.81 in 10.0 mi North 11.5 mph - 0.00 in   Mostly Cloudy
2:00 AM 53.6 °F 48.2 °F 82% 29.82 in 10.0 mi NNW 11.5 mph 18.4 mph N/A   Scattered Clouds
2:52 AM 52.0 °F 46.0 °F 80% 29.82 in 10.0 mi North 11.5 mph - N/A   Clear
3:52 AM 50.0 °F 45.0 °F 83% 29.82 in 10.0 mi NNW 9.2 mph - N/A   Clear
4:52 AM 48.9 °F 45.0 °F 86% 29.83 in 10.0 mi NNW 10.4 mph - N/A   Clear
5:49 AM 48.2 °F 44.6 °F 87% 29.85 in 10.0 mi NNW 15.0 mph 24.2 mph N/A   Mostly Cloudy
5:52 AM 48.0 °F 44.1 °F 86% 29.85 in 10.0 mi NNW 16.1 mph 24.2 mph N/A   Scattered Clouds
7:52 AM 50.0 °F 44.1 °F 80% 29.88 in 10.0 mi NNW 13.8 mph 23.0 mph N/A   Clear
8:52 AM 52.0 °F 42.1 °F 69% 29.90 in 10.0 mi NW 16.1 mph 21.9 mph N/A   Clear
9:52 AM 54.0 °F 39.9 °F 59% 29.92 in 10.0 mi NNW 15.0 mph 23.0 mph N/A   Clear
10:52 AM 57.0 °F 39.0 °F 51% 29.93 in 10.0 mi NNW 18.4 mph 24.2 mph N/A   Clear
11:52 AM 59.0 °F 35.1 °F 41% 29.93 in 10.0 mi NW 13.8 mph - N/A   Clear
12:52 PM 60.1 °F 32.0 °F 35% 29.93 in 10.0 mi NW 17.3 mph 26.5 mph N/A   Clear
1:52 PM 61.0 °F 34.0 °F 36% 29.94 in 10.0 mi WNW 13.8 mph 23.0 mph N/A   Mostly Cloudy
2:52 PM 60.1 °F 32.0 °F 35% 29.94 in 10.0 mi NNW 13.8 mph 23.0 mph N/A   Scattered Clouds
3:52 PM 60.1 °F 30.9 °F 33% 29.94 in 10.0 mi WNW 11.5 mph 20.7 mph N/A   Mostly Cloudy
4:52 PM 60.1 °F 32.0 °F 35% 29.96 in 10.0 mi NW 16.1 mph 24.2 mph 0.00 in   Overcast
5:52 PM 57.9 °F 30.9 °F 36% 29.98 in 10.0 mi NW 17.3 mph - N/A   Scattered Clouds
6:52 PM 55.9 °F 33.1 °F 42% 29.99 in 10.0 mi NNW 8.1 mph - N/A   Overcast
7:52 PM 53.1 °F 35.1 °F 50% 30.01 in 10.0 mi NNW 4.6 mph - N/A   Mostly Cloudy
8:52 PM 50.0 °F 37.9 °F 63% 30.03 in 10.0 mi Calm Calm - N/A   Clear
9:52 PM 46.9 °F 37.9 °F 71% 30.04 in 10.0 mi Calm Calm - N/A   Partly Cloudy
10:52 PM 46.0 °F 39.9 °F 79% 30.05 in 10.0 mi Calm Calm - N/A   Scattered Clouds
11:52 PM 45.0 °F 39.9 °F 82% 30.06 in 10.0 mi Calm Calm - N/A   Clear