Weather History for Chicago, IL

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Monday, May 30, 2011

  Actual Average Record
Temperature  
Mean Temperature 72 °F 64 °F  
Max Temperature 88 °F 74 °F 93 °F (1953)
Min Temperature 56 °F 53 °F 35 °F (1873)
Degree Days  
Heating Degree Days 0 4  
Month to date heating degree days 275 221  
Since 1 July heating degree days 6485 6288  
Cooling Degree Days 7 3  
Month to date cooling degree days 49 41  
Year to date cooling degree days 54 51  
Growing Degree Days 22 (Base 50)    
Moisture  
Dew Point 64 °F    
Average Humidity 75    
Maximum Humidity 100    
Minimum Humidity 50    
Precipitation  
Precipitation 0.00 in 0.12 in 1.49 in (2004)
Month to date precipitation 7.19 3.56  
Year to date precipitation 19.15 12.96  
Snow  
Snow 0.00 in 0.00 in 0.00 in ()
Month to date snowfall 0.0 0.0  
Since 1 July snowfall 57.9 36.3  
Snow Depth -    
Sea Level Pressure  
Sea Level Pressure 29.98 in    
Wind  
Wind Speed 13 mph (SSW)    
Max Wind Speed 26 mph    
Max Gust Speed 36 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

May. 30, 2011 Rise Set
Actual Time 5:19 AM CDT 8:19 PM CDT
Civil Twilight 4:46 AM CDT 8:52 PM CDT
Nautical Twilight 4:03 AM CDT 9:35 PM CDT
Astronomical Twilight 3:14 AM CDT 10:25 PM CDT
Moon 3:37 AM CDT (5/30) 6:31 PM CDT (5/30)
Length of Visible Light 16h 06m
Length of Day
14h 59m
Waning Crescent, 5% of the Moon is Illuminated
May 30
Waning Crescent
Jun 1
New
Jun 8
First Quarter
Jun 15
Full
Jun 23
Last Quarter

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 57.9 °F - 55.9 °F 93% 29.93 in 10.0 mi NNE 3.5 mph - N/A   Partly Cloudy
1:51 AM 55.9 °F - 55.0 °F 97% 29.94 in 10.0 mi Calm Calm - N/A   Partly Cloudy
2:51 AM 57.0 °F - 55.0 °F 93% 29.94 in 10.0 mi SSE 3.5 mph - N/A   Clear
3:51 AM 60.1 °F - 60.1 °F 100% 29.94 in 8.0 mi SSE 4.6 mph - N/A   Scattered Clouds
4:51 AM 60.1 °F - 60.1 °F 100% 29.95 in 7.0 mi South 5.8 mph - N/A   Partly Cloudy
5:51 AM 61.0 °F - 61.0 °F 100% 29.97 in 8.0 mi South 4.6 mph - N/A   Scattered Clouds
6:51 AM 64.0 °F - 63.0 °F 96% 29.98 in 10.0 mi South 5.8 mph - N/A   Scattered Clouds
7:51 AM 72.0 °F - 66.0 °F 81% 29.98 in 10.0 mi SSW 11.5 mph - N/A   Partly Cloudy
8:51 AM 75.9 °F - 66.9 °F 74% 29.99 in 10.0 mi SSW 17.3 mph 21.9 mph N/A   Partly Cloudy
9:51 AM 79.0 °F - 68.0 °F 69% 29.99 in 10.0 mi SW 15.0 mph 21.9 mph N/A   Clear
10:51 AM 82.0 °F 85.5 °F 69.1 °F 65% 30.00 in 10.0 mi SW 12.7 mph 23.0 mph N/A   Clear
11:51 AM 82.9 °F 87.0 °F 70.0 °F 65% 30.01 in 10.0 mi SSW 13.8 mph 23.0 mph N/A   Partly Cloudy
12:51 PM 84.9 °F 89.4 °F 70.0 °F 61% 30.00 in 10.0 mi SSW 15.0 mph 21.9 mph N/A   Partly Cloudy
1:51 PM 87.1 °F 91.3 °F 69.1 °F 55% 29.99 in 10.0 mi SSW 18.4 mph 24.2 mph N/A   Partly Cloudy
2:51 PM 88.0 °F 92.9 °F 70.0 °F 55% 29.99 in 10.0 mi SSW 20.7 mph 28.8 mph N/A   Partly Cloudy
3:51 PM 88.0 °F 91.4 °F 68.0 °F 51% 29.96 in 10.0 mi South 21.9 mph 29.9 mph N/A   Partly Cloudy
4:51 PM 88.0 °F 91.4 °F 68.0 °F 51% 29.96 in 10.0 mi SSW 20.7 mph 28.8 mph N/A   Partly Cloudy
5:51 PM 87.1 °F 89.2 °F 66.0 °F 49% 29.96 in 10.0 mi SSW 20.7 mph 28.8 mph N/A   Partly Cloudy
6:51 PM 84.0 °F 85.8 °F 64.9 °F 53% 29.96 in 10.0 mi South 13.8 mph 27.6 mph N/A   Partly Cloudy
7:51 PM 82.9 °F 84.0 °F 63.0 °F 51% 29.97 in 10.0 mi South 17.3 mph 24.2 mph N/A   Mostly Cloudy
8:51 PM 81.0 °F 82.5 °F 64.0 °F 56% 29.98 in 10.0 mi South 13.8 mph 23.0 mph N/A   Mostly Cloudy
9:51 PM 78.1 °F - 66.0 °F 66% 30.01 in 10.0 mi South 9.2 mph - N/A   Mostly Cloudy
10:51 PM 78.1 °F - 64.9 °F 64% 30.01 in 10.0 mi South 11.5 mph 20.7 mph N/A   Scattered Clouds
11:51 PM 79.0 °F - 63.0 °F 58% 30.00 in 10.0 mi South 13.8 mph - N/A   Mostly Cloudy