History for Chicago, IL

Thursday, June 21, 2012 — View Current Conditions
Thursday, June 21, 2012
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Daily Weekly Monthly Custom
  Actual Average Record
Temperature
Mean Temperature 78 °F 71 °F  
Max Temperature 85 °F 82 °F 101 °F (1988)
Min Temperature 70 °F 60 °F 38 °F (1992)
Degree Days
Heating Degree Days 0 1  
Month to date heating degree days 14 44  
Since 1 June heating degree days 14 44  
Since 1 July heating degree days 4907 6336  
Cooling Degree Days 13 7  
Month to date cooling degree days 184 96  
Year to date cooling degree days 355 150  
Since 1 June cooling degree days 184 96  
Growing Degree Days 28 (Base 50)    
Moisture
Dew Point 59 °F    
Average Humidity 48    
Maximum Humidity 64    
Minimum Humidity 32    
Precipitation
Precipitation 0.01 in 0.11 in 1.58 in (1875)
Month to date precipitation 0.44 2.47  
Year to date precipitation 12.65 15.55  
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 19.8 36.7  
Snow Depth 0.00 in    
Sea Level Pressure
Sea Level Pressure 29.90 in    
Wind
Wind Speed 10 mph (West)    
Max Wind Speed 20 mph    
Max Gust Speed 38 mph    
Visibility 10 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary
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Astronomy
May. 21, 2013 Rise Set
Actual Time 5:16 AM CDT 8:30 PM CDT
Civil Twilight 4:41 AM CDT 9:05 PM CDT
Nautical Twilight 3:57 AM CDT 9:49 PM CDT
Astronomical Twilight 3:03 AM CDT 10:43 PM CDT
Moon 7:16 AM CDT (6/21) 9:51 PM CDT (6/21)
Length Of Visible Light 16h 23m
Length of Day
15h 14m
Waxing Crescent, 4% of the Moon is Illuminated
Jun 21
Waxing Crescent
Jun 26
First Quarter
Jul 3
Full
Jul 10
Last Quarter
Jul 18
New
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Hourly Observations
Time (CDT) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:51 AM 82.9 °F 83.2 °F 60.1 °F 46% 29.88 in 10.0 mi SSW 16.1 mph 21.9 mph N/A   Partly Cloudy
1:51 AM 82.9 °F 83.2 °F 60.1 °F 46% 29.86 in 10.0 mi SSW 15.0 mph 26.5 mph N/A   Clear
2:51 AM 81.0 °F 81.7 °F 61.0 °F 50% 29.85 in 10.0 mi SW 15.0 mph 24.2 mph N/A   Mostly Cloudy
3:51 AM 80.1 °F 81.2 °F 62.1 °F 54% 29.86 in 10.0 mi SW 15.0 mph 20.7 mph N/A   Scattered Clouds
4:51 AM 79.0 °F - 63.0 °F 58% 29.86 in 10.0 mi SSW 9.2 mph - N/A   Scattered Clouds
5:51 AM 77.0 °F - 64.0 °F 64% 29.85 in 10.0 mi SSW 11.5 mph - N/A   Scattered Clouds
6:51 AM 79.0 °F - 64.0 °F 60% 29.87 in 10.0 mi SW 12.7 mph - N/A   Scattered Clouds
7:51 AM 80.6 °F 81.8 °F 62.6 °F 54% 29.91 in 10.0 mi West 11.5 mph 21.9 mph N/A   Mostly Cloudy
8:51 AM 79.0 °F - 64.9 °F 62% 29.90 in 10.0 mi West 10.4 mph - N/A   Mostly Cloudy
9:51 AM 79.0 °F - 64.9 °F 62% 29.91 in 10.0 mi NW 6.9 mph - N/A   Overcast
10:51 AM 75.0 °F - 66.9 °F 76% 29.92 in 10.0 mi WNW 6.9 mph - 0.01 in Rain Light Rain
11:51 AM 73.9 °F - 63.0 °F 68% 29.95 in 10.0 mi NW 8.1 mph - 0.00 in Rain Light Rain
12:51 PM 75.9 °F - 61.0 °F 60% 29.95 in 10.0 mi WNW 9.2 mph - 0.00 in   Overcast
1:51 PM 77.0 °F - 57.9 °F 52% 29.95 in 10.0 mi West 9.2 mph - N/A   Mostly Cloudy
2:51 PM 77.0 °F - 57.9 °F 52% 29.94 in 10.0 mi West 3.5 mph - N/A   Mostly Cloudy
3:51 PM 80.1 °F 80.0 °F 54.0 °F 40% 29.91 in 10.0 mi WSW 3.5 mph - N/A   Scattered Clouds
4:51 PM 82.0 °F 81.6 °F 55.9 °F 41% 29.90 in 10.0 mi SW 8.1 mph - N/A   Scattered Clouds
5:51 PM 84.0 °F 83.3 °F 57.0 °F 40% 29.89 in 10.0 mi WSW 8.1 mph - N/A   Scattered Clouds
6:51 PM 84.9 °F - 52.0 °F 32% 29.88 in 10.0 mi WNW 15.0 mph - N/A   Scattered Clouds
7:51 PM 82.0 °F - 52.0 °F 35% 29.90 in 10.0 mi WNW 12.7 mph - N/A   Partly Cloudy
8:51 PM 78.1 °F - 53.1 °F 42% 29.91 in 10.0 mi WNW 8.1 mph - N/A   Partly Cloudy
9:51 PM 77.0 °F - 53.1 °F 43% 29.94 in 10.0 mi WNW 10.4 mph - N/A   Clear
10:51 PM 75.9 °F - 53.1 °F 45% 29.95 in 10.0 mi NW 11.5 mph - N/A   Clear
11:51 PM 73.0 °F - 53.1 °F 49% 29.96 in 10.0 mi NW 8.1 mph - N/A   Clear
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