Chicago, IL

3:17 PM CDT on June 19, 2018 (GMT -0500)
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Weather History for KORD - September, 2017

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Wednesday, September 13, 2017

  Actual Average Record
Temperature  
Mean Temperature 68 °F 66 °F  
Max Temperature 77 °F 76 °F 98 °F (1939)
Min Temperature 58 °F 56 °F 39 °F (1890)
Degree Days  
Heating Degree Days 0 3  
Month to date heating degree days 29 20  
Since 1 July heating degree days 34 33  
Cooling Degree Days 3 3  
Month to date cooling degree days 17 60  
Year to date cooling degree days 800 800  
Growing Degree Days 16 (Base 50)    
Moisture  
Dew Point 59 °F    
Average Humidity 70    
Maximum Humidity 90    
Minimum Humidity 50    
Precipitation  
Precipitation T in 0.11 in 6.64 in (2008)
Month to date precipitation 0.25 1.45  
Year to date precipitation 31.99 26.58  
Snow  
Snow 0.00 in 0.00 in 0.00 in ()
Month to date snowfall 0.0 0.0  
Since 1 July snowfall T 0.0  
Since 1 September snowfall 0.0 0.0  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.77 in    
Wind  
Wind Speed 6 mph (ENE)    
Max Wind Speed 13 mph    
Max Gust Speed 15 mph    
Visibility 9 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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Astronomy

Sep. 13, 2017 Rise Set
Actual Time 6:29 AM CDT 7:04 PM CDT
Civil Twilight 6:01 AM CDT 7:32 PM CDT
Nautical Twilight 5:28 AM CDT 8:05 PM CDT
Astronomical Twilight 4:54 AM CDT 8:39 PM CDT
Moon No Moon Rise 2:23 PM CDT (9/13)
Length of Visible Light 13h 30m
Length of Day
12h 34m
Last Quarter, 45% of the Moon is Illuminated
Sep 13
Last Quarter
Sep 20
New
Sep 27
First Quarter
Oct 5
Full
Oct 12
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 63.0 °F 59.0 °F 87% 29.83 in 10.0 mi ENE 4.6 mph - N/A   Mostly Cloudy
1:51 AM 61.0 °F 57.0 °F 87% 29.81 in 9.0 mi North 4.6 mph - N/A   Mostly Cloudy
2:51 AM 60.1 °F 57.0 °F 90% 29.80 in 9.0 mi North 6.9 mph - N/A   Mostly Cloudy
3:51 AM 61.0 °F 57.9 °F 90% 29.78 in 9.0 mi North 8.1 mph - N/A   Mostly Cloudy
4:51 AM 62.1 °F 59.0 °F 90% 29.79 in 9.0 mi NNE 4.6 mph - N/A   Overcast
5:51 AM 61.0 °F 57.9 °F 90% 29.78 in 8.0 mi North 3.5 mph - N/A   Overcast
6:51 AM 60.1 °F 57.9 °F 93% 29.79 in 10.0 mi North 4.6 mph - N/A   Mostly Cloudy
7:51 AM 61.0 °F 57.9 °F 90% 29.79 in 10.0 mi North 5.8 mph - N/A   Mostly Cloudy
8:51 AM 63.0 °F 59.0 °F 87% 29.79 in 10.0 mi North 5.8 mph - 0.00 in   Mostly Cloudy
9:51 AM 66.9 °F 60.1 °F 79% 29.79 in 10.0 mi NNE 5.8 mph - 0.00 in   Mostly Cloudy
10:51 AM 70.0 °F 59.0 °F 68% 29.78 in 10.0 mi ENE 8.1 mph - N/A   Mostly Cloudy
11:51 AM 73.0 °F 57.9 °F 59% 29.77 in 10.0 mi NE 9.2 mph - N/A   Mostly Cloudy
12:51 PM 75.0 °F 55.9 °F 51% 29.75 in 10.0 mi East 6.9 mph - N/A   Mostly Cloudy
1:51 PM 75.0 °F 55.9 °F 51% 29.74 in 10.0 mi East 8.1 mph - N/A   Overcast
2:51 PM 73.9 °F 60.1 °F 62% 29.73 in 10.0 mi NE 8.1 mph - N/A   Overcast
3:18 PM 73.0 °F 61.0 °F 66% 29.74 in 10.0 mi East 6.9 mph - N/A   Overcast
3:51 PM 73.9 °F 61.0 °F 64% 29.73 in 10.0 mi ENE 8.1 mph - N/A   Overcast
4:51 PM 72.0 °F 61.0 °F 68% 29.74 in 10.0 mi East 9.2 mph - N/A   Overcast
5:09 PM 72.0 °F 61.0 °F 68% 29.75 in 10.0 mi East 10.4 mph - N/A   Overcast
5:51 PM 72.0 °F 62.1 °F 71% 29.75 in 9.0 mi East 6.9 mph - N/A   Mostly Cloudy
6:40 PM 69.1 °F 62.1 °F 78% 29.76 in 6.0 mi East 9.2 mph - N/A   Haze
6:51 PM 69.1 °F 62.1 °F 78% 29.75 in 6.0 mi East 9.2 mph - N/A   Haze
7:51 PM 68.0 °F 62.1 °F 81% 29.76 in 7.0 mi ESE 5.8 mph - N/A   Mostly Cloudy
8:51 PM 68.0 °F 61.0 °F 78% 29.78 in 7.0 mi SE 6.9 mph - N/A   Overcast
9:51 PM 66.9 °F 60.1 °F 79% 29.78 in 7.0 mi SE 5.8 mph - N/A   Overcast
10:15 PM 66.9 °F 60.1 °F 79% 29.79 in 8.0 mi SSE 5.8 mph - N/A   Overcast
10:51 PM 64.9 °F 60.1 °F 84% 29.79 in 8.0 mi South 4.6 mph - N/A   Mostly Cloudy
11:38 PM 64.9 °F 61.0 °F 87% 29.80 in 7.0 mi SSW 3.5 mph - N/A   Overcast
11:51 PM 64.9 °F 60.1 °F 84% 29.79 in 8.0 mi SSW 4.6 mph - N/A   Overcast