Chicago, IL

10:52 PM CST on November 21, 2019 (GMT -0600)
Chicago-O'Hare International

Weather History for KORD - September, 2019

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Friday, September 20, 2019

  Actual Average Record
Temperature  
Mean Temperature 76 °F 63 °F  
Max Temperature 84 °F 73 °F 93 °F (2018)
Min Temperature 68 °F 52 °F 36 °F (1991)
Degree Days  
Heating Degree Days 0 4  
Month to date heating degree days 2 44  
Since 1 July heating degree days 2 57  
Cooling Degree Days 11 2  
Month to date cooling degree days 114 78  
Year to date cooling degree days 910 818  
Growing Degree Days 26 (Base 50)    
Moisture  
Dew Point 66 °F    
Average Humidity 75    
Maximum Humidity 90    
Minimum Humidity 55    
Precipitation  
Precipitation 0.00 in 0.11 in 1.33 in (2001)
Month to date precipitation 2.93 2.18  
Year to date precipitation 34.68 27.31  
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 30.09 in    
Wind  
Wind Speed 3 mph ()    
Max Wind Speed 12 mph    
Max Gust Speed 15 mph    
Visibility 9.5 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: Averaged Metar Reports

Daily Weather History Graph

Daily Weather History Graph

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Astronomy

Sep. 20, 2019 Rise Set
Actual Time 6:36 AM CDT 6:52 PM CDT
Civil Twilight 6:08 AM CDT 7:20 PM CDT
Nautical Twilight 5:35 AM CDT 7:53 PM CDT
Astronomical Twilight 5:02 AM CDT 8:26 PM CDT
Moon 10:36 PM CDT (9/20) 12:46 PM CDT (9/20)
Length of Visible Light 13h 11m
Length of Day
12h 16m
Waning Gibbous, 65% of the Moon is Illuminated
Sep 20
Waning Gibbous
Sep 21
Last Quarter
Sep 28
New
Oct 5
First Quarter
Oct 13
Full

Hourly Weather History & Observations

Time (CDT) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:51 AM 68.0 °F - 64.0 °F 87% 30.08 in 10.0 mi WNW 4.6 mph - 0.00 in   Overcast
1:51 AM 69.1 °F - 64.9 °F 87% 30.07 in 9.0 mi Calm Calm - N/A   Overcast
2:51 AM 68.0 °F - 64.9 °F 90% 30.07 in 7.0 mi Calm Calm - N/A   Mostly Cloudy
3:51 AM 68.0 °F - 64.9 °F 90% 30.08 in 7.0 mi Calm Calm - N/A   Mostly Cloudy
4:51 AM 68.0 °F - 64.9 °F 90% 30.08 in 8.0 mi Calm Calm - N/A   Overcast
5:51 AM 68.0 °F - 64.9 °F 90% 30.09 in 9.0 mi South 4.6 mph - N/A   Overcast
6:51 AM 68.0 °F - 64.9 °F 90% 30.11 in 9.0 mi South 4.6 mph - N/A   Overcast
7:51 AM 69.1 °F - 66.0 °F 90% 30.12 in 10.0 mi SSW 3.5 mph - N/A   Overcast
8:51 AM 71.1 °F - 66.0 °F 84% 30.13 in 10.0 mi West 3.5 mph - N/A   Overcast
9:51 AM 73.9 °F - 66.0 °F 76% 30.13 in 10.0 mi SW 4.6 mph - N/A   Overcast
10:51 AM 75.0 °F - 66.9 °F 76% 30.12 in 10.0 mi Calm Calm - N/A   Overcast
11:51 AM 78.1 °F - 68.0 °F 71% 30.11 in 10.0 mi SSW 4.6 mph - N/A   Mostly Cloudy
12:51 PM 80.1 °F 82.3 °F 66.9 °F 64% 30.10 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
1:51 PM 82.0 °F 84.5 °F 66.9 °F 60% 30.09 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
2:51 PM 84.0 °F 87.0 °F 68.0 °F 58% 30.06 in 10.0 mi SSW 5.8 mph - N/A   Mostly Cloudy
3:51 PM 84.0 °F 86.5 °F 66.9 °F 56% 30.06 in 10.0 mi SSW 9.2 mph - N/A   Mostly Cloudy
4:51 PM 84.0 °F 86.3 °F 66.0 °F 55% 30.08 in 10.0 mi WSW 9.2 mph - N/A   Mostly Cloudy
5:51 PM 82.9 °F 85.0 °F 66.0 °F 56% 30.07 in 10.0 mi SSW 5.8 mph - N/A   Mostly Cloudy
6:51 PM 82.0 °F 83.8 °F 64.9 °F 56% 30.08 in 10.0 mi SW 5.8 mph - N/A   Scattered Clouds
7:51 PM 79.0 °F - 66.0 °F 64% 30.08 in 10.0 mi SW 5.8 mph - N/A   Partly Cloudy
8:51 PM 77.0 °F - 66.9 °F 71% 30.09 in 10.0 mi SSE 3.5 mph - N/A   Partly Cloudy
9:51 PM 75.9 °F - 66.9 °F 74% 30.10 in 10.0 mi SSE 4.6 mph - N/A   Partly Cloudy
10:51 PM 75.0 °F - 66.9 °F 76% 30.10 in 10.0 mi SSE 5.8 mph - N/A   Partly Cloudy
11:51 PM 73.9 °F - 66.9 °F 79% 30.09 in 10.0 mi SSE 4.6 mph - N/A   Clear