Chicago O'Hare, IL

1:17 PM CDT on September 28, 2016 (GMT -0500)
Chicago-O'Hare International

Weather History for KORD - July, 2013

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Wednesday, July 31, 2013

  Actual Average Record
Temperature  
Mean Temperature 69 °F 74 °F  
Max Temperature 75 °F 83 °F 99 °F (1945)
Min Temperature 62 °F 64 °F 51 °F (1984)
Degree Days  
Heating Degree Days 0 0  
Month to date heating degree days 9 0  
Since 1 June heating degree days 52 52  
Since 1 July heating degree days 9 4  
Cooling Degree Days 4 9  
Month to date cooling degree days 268 283  
Year to date cooling degree days 508 502  
Since 1 June cooling degree days 424 448  
Growing Degree Days 20 (Base 50)    
Moisture  
Dew Point 64 °F    
Average Humidity 87    
Maximum Humidity 100    
Minimum Humidity 73    
Precipitation  
Precipitation 0.50 in 0.15 in 1.29 in (1888)
Month to date precipitation 2.22 3.70  
Year to date precipitation 30.68 20.23  
Snow  
Snow 0.00 in 0.00 in 0.00 in ()
Month to date snowfall 0.0 0.0  
Since 1 June snowfall 0.0 0.0  
Since 1 July snowfall 0.0 0.0  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.01 in    
Wind  
Wind Speed 4 mph (NW)    
Max Wind Speed 20 mph    
Max Gust Speed 29 mph    
Visibility 6 miles    
Events Rain , Thunderstorm    
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

Jul. 31, 2013 Rise Set
Actual Time 5:44 AM CDT 8:11 PM CDT
Civil Twilight 5:12 AM CDT 8:42 PM CDT
Nautical Twilight 4:33 AM CDT 9:21 PM CDT
Astronomical Twilight 3:49 AM CDT 10:05 PM CDT
Moon 12:39 AM CDT (7/31) 3:27 PM CDT (7/31)
Length of Visible Light 15h 29m
Length of Day
14h 26m
Waning Crescent, 31% of the Moon is Illuminated
Jul 31
Waning Crescent
Aug 6
New
Aug 14
First Quarter
Aug 20
Full
Aug 28
Last Quarter

Hourly Weather History & Observations

Time (CDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:17 AM 66.2 °F 62.6 °F 88% 30.07 in 10.0 mi Calm Calm - N/A   Overcast
12:51 AM 66.9 °F 62.1 °F 84% 30.05 in 10.0 mi SSE 5.8 mph - N/A   Overcast
1:51 AM 66.9 °F 62.1 °F 84% 30.04 in 10.0 mi SE 4.6 mph - 0.00 in   Light Drizzle
2:51 AM 66.0 °F 63.0 °F 90% 30.04 in 10.0 mi Calm Calm - 0.00 in   Light Drizzle
3:22 AM 66.2 °F 64.4 °F 94% 30.04 in 6.0 mi Calm Calm - 0.00 in   Light Drizzle
3:49 AM 64.4 °F 64.4 °F 100% 30.04 in 3.0 mi Calm Calm - 0.00 in Rain Light Rain
3:51 AM 64.9 °F 64.0 °F 97% 30.03 in 3.0 mi SE 3.5 mph - 0.00 in Rain Light Rain
4:05 AM 64.4 °F 64.4 °F 100% 30.02 in 2.0 mi SE 3.5 mph - 0.01 in Rain Light Rain
4:51 AM 64.9 °F 64.0 °F 97% 30.01 in 3.0 mi East 4.6 mph - 0.02 in   Light Drizzle
5:21 AM 64.4 °F 64.4 °F 100% 30.03 in 4.0 mi Calm Calm - 0.00 in   Light Drizzle
5:51 AM 64.9 °F 64.0 °F 97% 30.03 in 3.0 mi Calm Calm - 0.00 in   Light Drizzle
6:09 AM 64.4 °F 64.4 °F 100% 30.04 in 1.5 mi Calm Calm - 0.01 in   Light Drizzle
6:32 AM 64.4 °F 64.4 °F 100% 30.03 in 1.2 mi Calm Calm - 0.01 in   Light Drizzle
6:51 AM 64.9 °F 64.9 °F 100% 30.03 in 1.2 mi Calm Calm - 0.02 in   Light Drizzle
7:13 AM 64.4 °F 64.4 °F 100% 30.03 in 1.5 mi Calm Calm - 0.00 in   Light Drizzle
7:39 AM 64.4 °F 64.4 °F 100% 30.03 in 2.0 mi Calm Calm - 0.00 in   Overcast
7:51 AM 64.9 °F 64.9 °F 100% 30.03 in 2.0 mi North 3.5 mph - 0.00 in   Overcast
8:51 AM 66.0 °F 64.9 °F 96% 30.02 in 2.5 mi NW 3.5 mph - 0.00 in   Overcast
9:07 AM 66.2 °F 64.4 °F 94% 30.03 in 3.0 mi North 6.9 mph - N/A   Overcast
9:51 AM 68.0 °F 64.9 °F 90% 30.00 in 4.0 mi Variable 4.6 mph - N/A   Overcast
10:40 AM 68.0 °F 66.2 °F 94% 30.02 in 5.0 mi North 5.8 mph - N/A   Overcast
10:51 AM 69.1 °F 66.0 °F 90% 30.01 in 6.0 mi North 6.9 mph - N/A   Overcast
11:51 AM 69.1 °F 64.9 °F 87% 30.01 in 7.0 mi North 4.6 mph - N/A   Overcast
12:51 PM 68.0 °F 64.9 °F 90% 30.00 in 7.0 mi North 9.2 mph - N/A   Overcast
1:51 PM 69.1 °F 64.9 °F 87% 30.00 in 7.0 mi North 4.6 mph - N/A   Overcast
2:51 PM 71.1 °F 64.0 °F 78% 29.99 in 8.0 mi NNW 4.6 mph - N/A   Overcast
3:22 PM 71.6 °F 64.4 °F 78% 29.99 in 10.0 mi WNW 5.8 mph - N/A   Overcast
3:51 PM 72.0 °F 64.9 °F 78% 29.98 in 10.0 mi NW 5.8 mph - N/A   Overcast
4:19 PM 71.6 °F 64.4 °F 78% 29.98 in 10.0 mi WNW 9.2 mph - N/A   Overcast
4:51 PM 72.0 °F 64.9 °F 78% 29.97 in 10.0 mi West 6.9 mph - N/A   Overcast
5:51 PM 73.9 °F 64.9 °F 73% 29.95 in 10.0 mi West 4.6 mph - N/A   Mostly Cloudy
6:51 PM 73.9 °F 64.0 °F 71% 29.95 in 10.0 mi WNW 6.9 mph - N/A   Mostly Cloudy
7:51 PM 72.0 °F 64.9 °F 78% 29.94 in 10.0 mi WSW 4.6 mph - N/A   Mostly Cloudy
8:42 PM 69.8 °F 64.4 °F 83% 29.98 in 4.0 mi North 13.8 mph 28.8 mph 0.07 in Rain , Thunderstorm Heavy Thunderstorms and Rain
8:44 PM 68.0 °F 64.4 °F 88% 29.98 in 1.0 mi NNW 16.1 mph 28.8 mph 0.09 in Rain , Thunderstorm Heavy Thunderstorms and Rain
8:47 PM 66.2 °F 64.4 °F 94% 29.99 in 2.0 mi NNW 12.7 mph 21.9 mph 0.13 in Rain , Thunderstorm Heavy Thunderstorms and Rain
8:51 PM 66.0 °F 64.0 °F 93% 29.99 in 2.0 mi NNW 8.1 mph 21.9 mph 0.29 in Rain , Thunderstorm Heavy Thunderstorms and Rain
8:55 PM 66.2 °F 64.4 °F 94% 29.99 in 2.0 mi NNW 4.6 mph - 0.09 in Rain , Thunderstorm Heavy Thunderstorms and Rain
8:59 PM 66.2 °F 64.4 °F 94% 29.99 in 4.0 mi Calm Calm - 0.12 in Rain , Thunderstorm Heavy Thunderstorms and Rain
9:02 PM 66.2 °F 64.4 °F 94% 29.98 in 5.0 mi Calm Calm - 0.13 in Rain , Thunderstorm Thunderstorms and Rain
9:24 PM 64.4 °F 64.4 °F 100% 29.98 in 10.0 mi WNW 3.5 mph - 0.17 in Rain Light Rain
9:51 PM 64.9 °F 64.0 °F 97% 29.98 in 10.0 mi Calm Calm - 0.17 in   Overcast
10:51 PM 64.0 °F 64.0 °F 100% 29.98 in 10.0 mi WSW 3.5 mph - N/A   Partly Cloudy
11:51 PM 63.0 °F 63.0 °F 100% 29.97 in 7.0 mi West 3.5 mph - N/A   Clear