Weather History for Chicago, IL

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Monday, September 2, 2013

  Actual Average Record
Temperature  
Mean Temperature 70 °F 70 °F  
Max Temperature 79 °F 80 °F 101 °F (1953)
Min Temperature 60 °F 60 °F 44 °F (1946)
Degree Days  
Heating Degree Days 0 1  
Month to date heating degree days 0 2  
Since 1 July heating degree days 11 15  
Cooling Degree Days 5 6  
Month to date cooling degree days 15 12  
Year to date cooling degree days 780 752  
Growing Degree Days 22 (Base 50)    
Moisture  
Dew Point 61 °F    
Average Humidity 73    
Maximum Humidity 90    
Minimum Humidity 56    
Precipitation  
Precipitation 0.00 in 0.12 in 1.55 in (2010)
Month to date precipitation 0.14 0.24  
Year to date precipitation 32.51 25.37  
Snow  
Snow 0.00 in 0.00 in 0.00 in ()
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 29.90 in    
Wind  
Wind Speed 9 mph (North)    
Max Wind Speed 15 mph    
Max Gust Speed 29 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Sep. 02, 2013 Rise Set
Actual Time 6:18 AM CDT 7:23 PM CDT
Civil Twilight 5:49 AM CDT 7:51 PM CDT
Nautical Twilight 5:15 AM CDT 8:25 PM CDT
Astronomical Twilight 4:39 AM CDT 9:01 PM CDT
Moon 3:33 AM CDT (9/2) 5:37 PM CDT (9/2)
Length of Visible Light 14h 01m
Length of Day
13h 04m
Waning Crescent, 8% of the Moon is Illuminated
Sep 2
Waning Crescent
Sep 5
New
Sep 12
First Quarter
Sep 19
Full
Sep 26
Last Quarter

Hourly Weather History & Observations

Time (CDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:51 AM 70.0 °F 66.0 °F 87% 29.79 in 10.0 mi NNW 9.2 mph - N/A   Scattered Clouds
1:51 AM 69.1 °F 64.0 °F 84% 29.79 in 10.0 mi NNW 10.4 mph - N/A   Scattered Clouds
2:51 AM 68.0 °F 63.0 °F 84% 29.80 in 10.0 mi North 10.4 mph - N/A   Clear
3:51 AM 66.0 °F 62.1 °F 87% 29.81 in 10.0 mi NNW 9.2 mph - N/A   Clear
4:51 AM 64.9 °F 61.0 °F 87% 29.83 in 10.0 mi NNW 5.8 mph - N/A   Clear
5:51 AM 64.9 °F 61.0 °F 87% 29.85 in 10.0 mi NNW 9.2 mph - N/A   Partly Cloudy
6:51 AM 64.9 °F 61.0 °F 87% 29.87 in 10.0 mi NNW 9.2 mph - N/A   Partly Cloudy
7:51 AM 68.0 °F 62.1 °F 81% 29.88 in 10.0 mi North 6.9 mph - N/A   Partly Cloudy
8:51 AM 71.1 °F 64.0 °F 78% 29.90 in 10.0 mi North 6.9 mph - N/A   Partly Cloudy
9:51 AM 73.0 °F 63.0 °F 71% 29.91 in 10.0 mi NNE 6.9 mph - N/A   Scattered Clouds
10:05 AM 75.2 °F 62.6 °F 65% 29.92 in 10.0 mi North 4.6 mph - N/A   Mostly Cloudy
10:51 AM 75.9 °F 62.1 °F 62% 29.92 in 10.0 mi North 9.2 mph - N/A   Mostly Cloudy
11:24 AM 75.2 °F 60.8 °F 61% 29.93 in 10.0 mi NNW 8.1 mph - N/A   Mostly Cloudy
11:51 AM 77.0 °F 61.0 °F 58% 29.92 in 10.0 mi North 6.9 mph - N/A   Mostly Cloudy
12:51 PM 75.9 °F 63.0 °F 64% 29.91 in 10.0 mi NE 13.8 mph - N/A   Mostly Cloudy
1:51 PM 77.0 °F 63.0 °F 62% 29.91 in 10.0 mi NE 11.5 mph - N/A   Mostly Cloudy
2:51 PM 75.9 °F 63.0 °F 64% 29.91 in 10.0 mi NNE 11.5 mph 25.3 mph N/A   Mostly Cloudy
3:25 PM 73.4 °F 62.6 °F 69% 29.93 in 10.0 mi NE 13.8 mph 23.0 mph N/A   Mostly Cloudy
3:51 PM 73.9 °F 62.1 °F 66% 29.91 in 10.0 mi NNE 12.7 mph 18.4 mph N/A   Mostly Cloudy
4:51 PM 73.9 °F 61.0 °F 64% 29.92 in 10.0 mi NE 9.2 mph - N/A   Mostly Cloudy
5:51 PM 71.1 °F 60.1 °F 68% 29.93 in 10.0 mi NE 12.7 mph 21.9 mph N/A   Mostly Cloudy
6:51 PM 69.1 °F 59.0 °F 70% 29.94 in 10.0 mi NE 12.7 mph - N/A   Mostly Cloudy
7:51 PM 66.9 °F 59.0 °F 76% 29.95 in 10.0 mi NE 11.5 mph 18.4 mph N/A   Mostly Cloudy
8:51 PM 66.9 °F 57.9 °F 73% 29.96 in 10.0 mi NNE 9.2 mph - N/A   Scattered Clouds
9:51 PM 64.9 °F 57.9 °F 78% 29.97 in 10.0 mi North 5.8 mph - N/A   Scattered Clouds
10:51 PM 64.0 °F 55.0 °F 73% 29.98 in 10.0 mi NNE 8.1 mph - N/A   Scattered Clouds
11:51 PM 62.1 °F 53.1 °F 72% 29.98 in 10.0 mi North 5.8 mph - N/A   Scattered Clouds