Chicago, IL

2:19 PM CST on November 20, 2019 (GMT -0600)
Chicago-O'Hare International

Weather History for KORD - September, 2019

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Wednesday, September 4, 2019

  Actual Average Record
Temperature  
Mean Temperature 64 °F 69 °F  
Max Temperature 69 °F 79 °F 95 °F (1983)
Min Temperature 59 °F 59 °F 45 °F (1982)
Degree Days  
Heating Degree Days 1 1  
Month to date heating degree days 1 4  
Since 1 July heating degree days 1 17  
Cooling Degree Days 0 5  
Month to date cooling degree days 19 22  
Year to date cooling degree days 815 762  
Growing Degree Days 14 (Base 50)    
Moisture  
Dew Point 54 °F    
Average Humidity 70    
Maximum Humidity 78    
Minimum Humidity 63    
Precipitation  
Precipitation 0.00 in 0.12 in 2.95 in (1894)
Month to date precipitation 0.56 0.47  
Year to date precipitation 32.31 25.60  
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 8 mph ()    
Max Wind Speed 15 mph    
Max Gust Speed 19 mph    
Visibility 10.0 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. 04, 2019 Rise Set
Actual Time 6:20 AM CDT 7:20 PM CDT
Civil Twilight 5:51 AM CDT 7:48 PM CDT
Nautical Twilight 5:17 AM CDT 8:22 PM CDT
Astronomical Twilight 4:41 AM CDT 8:58 PM CDT
Moon 12:26 PM CDT (9/4) 10:48 PM CDT (9/4)
Length of Visible Light 13h 57m
Length of Day
13h 00m
Waxing Crescent, 35% of the Moon is Illuminated
Sep 4
Waxing Crescent
Sep 5
First Quarter
Sep 13
Full
Sep 21
Last Quarter
Sep 28
New

Hourly Weather History & Observations

Time (CDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:51 AM 68.0 °F 55.0 °F 63% 29.93 in 10.0 mi WNW 8.1 mph - N/A   Clear
1:51 AM 66.0 °F 55.0 °F 68% 29.94 in 10.0 mi WNW 10.4 mph - N/A   Clear
2:51 AM 64.0 °F 55.0 °F 73% 29.95 in 10.0 mi WNW 6.9 mph - N/A   Clear
3:51 AM 62.1 °F 54.0 °F 75% 29.97 in 10.0 mi WNW 9.2 mph - N/A   Clear
4:51 AM 61.0 °F 53.1 °F 75% 29.98 in 10.0 mi NW 10.4 mph - N/A   Clear
5:51 AM 60.1 °F 53.1 °F 78% 30.01 in 10.0 mi NW 8.1 mph - N/A   Partly Cloudy
6:51 AM 60.1 °F 53.1 °F 78% 30.04 in 10.0 mi NW 9.2 mph - N/A   Partly Cloudy
7:51 AM 62.1 °F 54.0 °F 75% 30.06 in 10.0 mi NNW 9.2 mph - N/A   Partly Cloudy
8:51 AM 64.9 °F 55.0 °F 70% 30.08 in 10.0 mi North 11.5 mph - N/A   Partly Cloudy
9:51 AM 66.0 °F 55.0 °F 68% 30.09 in 10.0 mi North 8.1 mph - N/A   Mostly Cloudy
10:05 AM 68.0 °F 55.9 °F 65% 30.10 in 10.0 mi NNE 8.1 mph - N/A   Mostly Cloudy
10:51 AM 66.9 °F 55.9 °F 68% 30.11 in 10.0 mi NNE 8.1 mph - N/A   Mostly Cloudy
11:39 AM 68.0 °F 55.9 °F 65% 30.12 in 10.0 mi ENE 9.2 mph - N/A   Mostly Cloudy
11:51 AM 66.9 °F 55.0 °F 66% 30.12 in 10.0 mi NNE 8.1 mph - N/A   Mostly Cloudy
12:51 PM 66.9 °F 55.9 °F 68% 30.12 in 10.0 mi NNE 9.2 mph - N/A   Mostly Cloudy
1:51 PM 66.9 °F 55.0 °F 66% 30.13 in 10.0 mi North 11.5 mph - N/A   Mostly Cloudy
2:51 PM 66.9 °F 55.0 °F 66% 30.13 in 10.0 mi NNE 10.4 mph 17.3 mph N/A   Mostly Cloudy
3:51 PM 66.0 °F 54.0 °F 65% 30.14 in 10.0 mi NNE 11.5 mph 18.4 mph N/A   Mostly Cloudy
4:51 PM 66.0 °F 54.0 °F 65% 30.14 in 10.0 mi NNE 11.5 mph - N/A   Mostly Cloudy
5:51 PM 64.9 °F 53.1 °F 65% 30.14 in 10.0 mi NE 9.2 mph - N/A   Mostly Cloudy
6:51 PM 63.0 °F 53.1 °F 70% 30.15 in 10.0 mi NNE 10.4 mph - N/A   Mostly Cloudy
7:51 PM 62.1 °F 53.1 °F 72% 30.15 in 10.0 mi NNE 8.1 mph - N/A   Mostly Cloudy
8:51 PM 62.1 °F 53.1 °F 72% 30.16 in 10.0 mi NE 8.1 mph - N/A   Overcast
9:51 PM 62.1 °F 53.1 °F 72% 30.16 in 10.0 mi North 5.8 mph - N/A   Overcast
10:51 PM 62.1 °F 52.0 °F 70% 30.16 in 10.0 mi ENE 6.9 mph - N/A   Overcast
11:51 PM 62.1 °F 52.0 °F 70% 30.16 in 10.0 mi ENE 9.2 mph - N/A   Overcast