Chicago, IL

8:23 AM CDT on May 30, 2017 (GMT -0500)
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Weather History for KORD - December, 2012

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Friday, December 28, 2012

  Actual Average Record
Temperature  
Mean Temperature 31 °F 25 °F  
Max Temperature 32 °F 32 °F 69 °F (1984)
Min Temperature 29 °F 18 °F -13 °F (1924)
Degree Days  
Heating Degree Days 34 40  
Month to date heating degree days 770 1033  
Since 1 July heating degree days 2020 2289  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 1324 843  
Moisture  
Dew Point 28 °F    
Average Humidity 85    
Maximum Humidity 92    
Minimum Humidity 78    
Precipitation  
Precipitation 0.01 in 0.06 in 1.47 in (2015)
Month to date precipitation 2.21 2.07  
Year to date precipitation 26.91 36.71  
Snow  
Snow 0.30 in 0.30 in 8.00 in (1987)
Month to date snowfall 0.7 7.2  
Since 1 July snowfall 0.7 8.6  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.01 in    
Wind  
Wind Speed 4 mph (SSE)    
Max Wind Speed 13 mph    
Max Gust Speed 15 mph    
Visibility 6 miles    
Events Snow    
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

Dec. 28, 2012 Rise Set
Actual Time 7:19 AM CST 4:28 PM CST
Civil Twilight 6:47 AM CST 4:59 PM CST
Nautical Twilight 6:12 AM CST 5:34 PM CST
Astronomical Twilight 5:38 AM CST 6:08 PM CST
Moon 5:05 PM CST (12/28) 7:12 AM CST (12/28)
Length of Visible Light 10h 12m
Length of Day
9h 08m
Full, 100% of the Moon is Illuminated
Dec 28
Full
Jan 4
Last Quarter
Jan 11
New
Jan 18
First Quarter
Jan 26
Full

Hourly Weather History & Observations

Time (CST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:36 AM 30.2 °F - 28.4 °F 93% 30.10 in 8.0 mi Calm Calm - N/A   Overcast
12:51 AM 30.0 °F - 27.0 °F 88% 30.12 in 8.0 mi Calm Calm - N/A   Overcast
1:51 AM 28.9 °F 23.9 °F 27.0 °F 92% 30.11 in 8.0 mi South 4.6 mph - N/A   Overcast
2:51 AM 28.9 °F 23.9 °F 26.1 °F 89% 30.10 in 7.0 mi South 4.6 mph - N/A   Overcast
3:51 AM 30.0 °F - 26.1 °F 85% 30.09 in 9.0 mi Calm Calm - N/A   Overcast
4:27 AM 30.2 °F - 26.6 °F 86% 30.05 in 10.0 mi Calm Calm - N/A   Overcast
4:51 AM 30.0 °F - 26.1 °F 85% 30.08 in 10.0 mi Calm Calm - N/A   Overcast
5:06 AM 30.2 °F 26.7 °F 26.6 °F 86% 30.06 in 10.0 mi South 3.5 mph - N/A   Overcast
5:51 AM 30.0 °F 26.5 °F 26.1 °F 85% 30.08 in 10.0 mi South 3.5 mph - N/A   Overcast
6:51 AM 30.0 °F 25.2 °F 25.0 °F 82% 30.09 in 10.0 mi South 4.6 mph - N/A   Overcast
7:51 AM 30.0 °F 24.1 °F 25.0 °F 82% 30.09 in 6.0 mi South 5.8 mph - 0.00 in Snow Light Snow
8:51 AM 30.9 °F 24.3 °F 25.0 °F 79% 30.09 in 10.0 mi SE 6.9 mph - 0.00 in Snow Light Snow
9:18 AM 32.0 °F 24.2 °F 26.6 °F 80% 30.06 in 1.5 mi SE 9.2 mph - 0.00 in Snow Light Snow
9:35 AM 30.2 °F 22.6 °F 26.6 °F 86% 30.07 in 1.0 mi SSE 8.1 mph - 0.00 in Snow Light Snow
9:51 AM 30.0 °F 22.4 °F 28.0 °F 92% 30.09 in 0.8 mi SSE 8.1 mph - 0.00 in Snow Light Snow
10:09 AM 30.2 °F 22.6 °F 28.4 °F 93% 30.06 in 0.8 mi SSE 8.1 mph - 0.01 in Snow Light Snow
10:27 AM 30.2 °F 22.6 °F 28.4 °F 93% 30.05 in 1.2 mi SSE 8.1 mph - 0.01 in Snow Light Snow
10:35 AM 30.2 °F 21.9 °F 28.4 °F 93% 30.05 in 1.5 mi SSE 9.2 mph - 0.01 in Snow Light Snow
10:43 AM 30.2 °F 22.6 °F 28.4 °F 93% 30.05 in 1.5 mi SSE 8.1 mph - 0.01 in Snow Light Snow
10:51 AM 30.9 °F 22.2 °F 28.0 °F 89% 30.06 in 1.5 mi SE 10.4 mph - 0.01 in Snow Light Snow
11:04 AM 30.2 °F 21.9 °F 28.4 °F 93% 30.03 in 2.5 mi SE 9.2 mph - 0.00 in Snow Light Snow
11:48 AM 32.0 °F 24.2 °F 28.4 °F 87% 30.00 in 3.0 mi SSE 9.2 mph - 0.00 in Snow Light Snow
11:51 AM 32.0 °F 23.6 °F 28.0 °F 85% 30.02 in 3.0 mi SSE 10.4 mph - 0.00 in Snow Light Snow
12:02 PM 30.2 °F 21.3 °F 28.4 °F 93% 29.98 in 4.0 mi South 10.4 mph - 0.00 in Snow Light Snow
12:23 PM 32.0 °F 25.6 °F 28.4 °F 87% 29.97 in 5.0 mi SSE 6.9 mph - 0.00 in Snow Light Snow
12:51 PM 32.0 °F 24.8 °F 28.0 °F 85% 29.98 in 7.0 mi SSE 8.1 mph - 0.00 in   Overcast
1:51 PM 32.0 °F 25.6 °F 28.0 °F 85% 29.96 in 7.0 mi SSE 6.9 mph - N/A   Overcast
2:51 PM 32.0 °F 26.4 °F 28.0 °F 85% 29.96 in 7.0 mi SSE 5.8 mph - N/A   Overcast
3:51 PM 32.0 °F 27.5 °F 28.0 °F 85% 29.95 in 5.0 mi South 4.6 mph - 0.00 in Snow Light Snow
4:51 PM 32.0 °F 26.4 °F 28.0 °F 85% 29.95 in 6.0 mi SSE 5.8 mph - 0.00 in   Overcast
5:06 PM 32.0 °F 25.6 °F 28.4 °F 87% 29.93 in 6.0 mi SSE 6.9 mph - N/A   Overcast
5:51 PM 30.2 °F 26.7 °F 28.4 °F 93% 29.94 in 6.0 mi South 3.5 mph - N/A   Overcast
6:03 PM 30.2 °F 25.4 °F 28.4 °F 93% 29.93 in 6.0 mi South 4.6 mph - N/A   Overcast
6:51 PM 32.0 °F 28.7 °F 28.4 °F 87% 29.93 in 6.0 mi SSW 3.5 mph - N/A   Overcast
7:51 PM 30.9 °F - 28.0 °F 89% 29.94 in 7.0 mi Calm Calm - N/A   Overcast
8:51 PM 32.0 °F - 28.0 °F 85% 29.91 in 7.0 mi Calm Calm - N/A   Overcast
9:51 PM 32.0 °F - 28.0 °F 85% 29.91 in 7.0 mi Calm Calm - N/A   Overcast
10:15 PM 30.2 °F - 28.4 °F 93% 29.88 in 6.0 mi Calm Calm - N/A   Overcast
10:51 PM 30.9 °F - 28.0 °F 89% 29.90 in 6.0 mi Calm Calm - 0.00 in Snow Light Snow
11:41 PM 30.2 °F 26.7 °F 28.4 °F 93% 29.86 in 5.0 mi WSW 3.5 mph - 0.00 in Snow Light Snow
11:51 PM 32.0 °F 27.5 °F 28.0 °F 85% 29.88 in 5.0 mi West 4.6 mph - 0.00 in   Overcast