Weather History for Chicago, IL

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Wednesday, March 27, 2013

  Actual Average Record
Temperature  
Mean Temperature 37 °F 42 °F  
Max Temperature 42 °F 51 °F 82 °F (1945)
Min Temperature 31 °F 33 °F 12 °F (1996)
Degree Days  
Heating Degree Days 28 23  
Month to date heating degree days 910 752  
Since 1 July heating degree days 5312 5486  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 23 °F    
Average Humidity 58    
Maximum Humidity 75    
Minimum Humidity 41    
Precipitation  
Precipitation 0.00 in 0.09 in 1.28 in (1908)
Month to date precipitation 2.00 2.13  
Year to date precipitation 8.59 5.65  
Snow  
Snow 0.00 in 0.20 in 2.90 in (1942)
Month to date snowfall 10.4 5.2  
Since 1 July snowfall 30.0 34.8  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.29 in    
Wind  
Wind Speed 7 mph (WNW)    
Max Wind Speed 13 mph    
Max Gust Speed 15 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Mar. 27, 2013 Rise Set
Actual Time 6:42 AM CDT 7:12 PM CDT
Civil Twilight 6:14 AM CDT 7:40 PM CDT
Nautical Twilight 5:41 AM CDT 8:13 PM CDT
Astronomical Twilight 5:07 AM CDT 8:47 PM CDT
Moon 7:56 PM CDT (3/27) 6:32 AM CDT (3/27)
Length of Visible Light 13h 25m
Length of Day
12h 29m
Full, 100% of the Moon is Illuminated
Mar 27
Full
Apr 2
Last Quarter
Apr 10
New
Apr 18
First Quarter
Apr 25
Full

Hourly Weather History & Observations

Time (CDT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:51 AM 34.0 °F 28.0 °F 26.1 °F 73% 30.25 in 10.0 mi West 6.9 mph - N/A   Mostly Cloudy
1:51 AM 34.0 °F 28.8 °F 26.1 °F 73% 30.25 in 10.0 mi WNW 5.8 mph - N/A   Overcast
2:51 AM 35.1 °F 28.6 °F 24.1 °F 64% 30.25 in 10.0 mi WNW 8.1 mph - N/A   Overcast
3:51 AM 35.1 °F 29.3 °F 23.0 °F 61% 30.25 in 10.0 mi WNW 6.9 mph - N/A   Overcast
4:51 AM 34.0 °F 29.8 °F 23.0 °F 64% 30.25 in 10.0 mi WNW 4.6 mph - N/A   Mostly Cloudy
5:51 AM 34.0 °F 28.0 °F 24.1 °F 67% 30.26 in 10.0 mi NW 6.9 mph - N/A   Overcast
6:51 AM 34.0 °F 28.0 °F 24.1 °F 67% 30.27 in 10.0 mi WNW 6.9 mph - N/A   Overcast
7:51 AM 35.1 °F 28.6 °F 23.0 °F 61% 30.29 in 10.0 mi WNW 8.1 mph - N/A   Overcast
8:51 AM 36.0 °F 29.0 °F 23.0 °F 59% 30.30 in 10.0 mi NW 9.2 mph - N/A   Overcast
9:51 AM 37.9 °F 32.1 °F 23.0 °F 55% 30.30 in 10.0 mi NW 8.1 mph - N/A   Mostly Cloudy
10:51 AM 39.2 °F 32.5 °F 24.8 °F 56% 30.29 in 10.0 mi NW 10.4 mph - N/A   Overcast
11:51 AM 41.0 °F 35.8 °F 24.8 °F 53% 30.30 in 10.0 mi NW 8.1 mph - N/A   Overcast
12:51 PM 39.9 °F 34.5 °F 21.9 °F 49% 30.31 in 10.0 mi NNW 8.1 mph - N/A   Overcast
1:51 PM 41.0 °F 35.8 °F 21.0 °F 45% 30.31 in 10.0 mi WNW 8.1 mph - N/A   Overcast
2:51 PM 41.0 °F 35.8 °F 21.0 °F 45% 30.30 in 10.0 mi WNW 8.1 mph - N/A   Overcast
3:51 PM 41.0 °F 34.7 °F 19.9 °F 43% 30.29 in 10.0 mi WNW 10.4 mph - N/A   Overcast
4:51 PM 41.0 °F 35.2 °F 21.2 °F 45% 30.27 in 10.0 mi WNW 9.2 mph - N/A   Overcast
5:51 PM 41.0 °F 34.3 °F 21.0 °F 45% 30.29 in 10.0 mi WNW 11.5 mph - N/A   Overcast
6:51 PM 39.9 °F 33.9 °F 21.0 °F 47% 30.30 in 10.0 mi NNW 9.2 mph - N/A   Overcast
7:51 PM 39.0 °F 34.0 °F 21.9 °F 50% 30.30 in 10.0 mi NW 6.9 mph - N/A   Overcast
8:51 PM 37.9 °F 32.7 °F 21.0 °F 51% 30.31 in 10.0 mi NNW 6.9 mph - N/A   Overcast
9:51 PM 34.0 °F 31.0 °F 21.0 °F 59% 30.32 in 10.0 mi NW 3.5 mph - N/A   Partly Cloudy
10:51 PM 35.1 °F 32.2 °F 21.0 °F 57% 30.32 in 10.0 mi West 3.5 mph - N/A   Partly Cloudy
11:51 PM 32.0 °F 28.7 °F 21.0 °F 64% 30.31 in 10.0 mi West 3.5 mph - N/A   Clear