Chicago, IL

6:53 PM CST on February 26, 2017 (GMT -0600)
Chicago-Midway

Weather History for KMDW - September, 2012

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Wednesday, September 26, 2012

  Actual Average Record
Temperature  
Mean Temperature 63 °F 62 °F  
Max Temperature 69 °F 71 °F 93 °F (1998)
Min Temperature 57 °F 53 °F 30 °F (1928)
Degree Days  
Heating Degree Days 2 5  
Month to date heating degree days 56 57  
Since 1 July heating degree days 56 62  
Cooling Degree Days 0 2  
Month to date cooling degree days 109 113  
Year to date cooling degree days 1467 1023  
Growing Degree Days 12 (Base 50)    
Moisture  
Dew Point 53 °F    
Average Humidity 70    
Maximum Humidity 94    
Minimum Humidity 42    
Precipitation  
Precipitation 0.00 in 0.10 in 2.72 in (1986)
Month to date precipitation 1.63 2.92  
Year to date precipitation 20.98 29.47  
Sea Level Pressure  
Sea Level Pressure 29.99 in    
Wind  
Wind Speed 10 mph (North)    
Max Wind Speed 17 mph    
Max Gust Speed 21 mph    
Visibility 8 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

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Date:

Astronomy

Sep. 26, 2012 Rise Set
Actual Time 6:43 AM CDT 6:40 PM CDT
Civil Twilight 6:15 AM CDT 7:08 PM CDT
Nautical Twilight 5:42 AM CDT 7:40 PM CDT
Astronomical Twilight 5:10 AM CDT 8:13 PM CDT
Moon 4:41 PM CDT (9/26) 3:06 AM CDT (9/26)
Length of Visible Light 12h 52m
Length of Day
11h 57m
Waxing Gibbous, 88% of the Moon is Illuminated
Sep 26
Waxing Gibbous
Sep 29
Full
Oct 8
Last Quarter
Oct 15
New
Oct 21
First 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 64.0 °F 60.1 °F 87% 29.86 in 6.0 mi SW 5.8 mph - N/A   Mostly Cloudy
1:51 AM 63.0 °F 60.1 °F 90% 29.87 in 5.0 mi WSW 3.5 mph - N/A   Mostly Cloudy
2:06 AM 62.6 °F 59.0 °F 88% 29.89 in 4.0 mi NNW 5.8 mph - N/A   Overcast
2:20 AM 62.6 °F 60.8 °F 94% 29.89 in 4.0 mi NNW 4.6 mph - N/A   Overcast
2:51 AM 64.0 °F 60.1 °F 87% 29.85 in 4.0 mi NW 3.5 mph - N/A   Overcast
3:51 AM 64.9 °F 61.0 °F 87% 29.86 in 4.0 mi Calm Calm - N/A   Overcast
4:51 AM 64.9 °F 60.1 °F 84% 29.88 in 5.0 mi North 4.6 mph - N/A   Haze
5:18 AM 64.4 °F 59.0 °F 83% 29.91 in 6.0 mi NNW 3.5 mph - N/A   Haze
5:51 AM 63.0 °F 57.0 °F 81% 29.90 in 10.0 mi North 5.8 mph - N/A   Overcast
5:58 AM 62.6 °F 57.2 °F 82% 29.92 in 10.0 mi North 5.8 mph - N/A   Mostly Cloudy
6:35 AM 62.6 °F 57.2 °F 82% 29.94 in 10.0 mi North 6.9 mph - N/A   Mostly Cloudy
6:51 AM 62.1 °F 57.0 °F 84% 29.93 in 10.0 mi North 6.9 mph - N/A   Mostly Cloudy
7:51 AM 63.0 °F 55.9 °F 78% 29.94 in 10.0 mi North 8.1 mph - N/A   Mostly Cloudy
8:51 AM 64.0 °F 55.0 °F 73% 29.96 in 10.0 mi North 8.1 mph - N/A   Mostly Cloudy
9:51 AM 64.9 °F 54.0 °F 68% 29.99 in 10.0 mi North 11.5 mph - N/A   Mostly Cloudy
10:51 AM 64.9 °F 52.0 °F 63% 30.02 in 10.0 mi North 12.7 mph - N/A   Mostly Cloudy
11:51 AM 64.0 °F 51.1 °F 63% 30.03 in 10.0 mi NNE 12.7 mph - N/A   Mostly Cloudy
12:51 PM 66.2 °F 51.8 °F 60% 30.04 in 10.0 mi NNE 12.7 mph - N/A   Mostly Cloudy
1:51 PM 68.0 °F 48.0 °F 49% 30.03 in 10.0 mi NNE 12.7 mph - N/A   Mostly Cloudy
2:51 PM 68.0 °F 48.0 °F 49% 30.04 in 10.0 mi NE 10.4 mph - N/A   Mostly Cloudy
3:51 PM 66.0 °F 50.0 °F 56% 30.04 in 10.0 mi NE 13.8 mph - N/A   Mostly Cloudy
4:51 PM 64.0 °F 51.1 °F 63% 30.06 in 10.0 mi NNE 13.8 mph - N/A   Mostly Cloudy
5:51 PM 62.1 °F 48.9 °F 62% 30.07 in 10.0 mi NNE 12.7 mph - N/A   Mostly Cloudy
6:51 PM 60.1 °F 48.0 °F 64% 30.09 in 10.0 mi NE 13.8 mph - N/A   Scattered Clouds
7:51 PM 60.1 °F 46.0 °F 60% 30.12 in 10.0 mi NNE 10.4 mph - N/A   Mostly Cloudy
8:51 PM 59.0 °F 46.4 °F 63% 30.13 in 10.0 mi NNE 13.8 mph - N/A   Mostly Cloudy
9:51 PM 59.0 °F 42.1 °F 53% 30.14 in 10.0 mi NNE 13.8 mph - N/A   Partly Cloudy
10:51 PM 57.9 °F 42.1 °F 56% 30.16 in 10.0 mi NNE 15.0 mph - N/A   Partly Cloudy
11:51 PM 57.0 °F 42.1 °F 57% 30.17 in 10.0 mi NNE 10.4 mph - N/A   Scattered Clouds