History for Chicago, IL

Tuesday, July 17, 2012 — View Current Conditions
Tuesday, July 17, 2012
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Daily Weekly Monthly Custom
  Actual Average Record
Temperature
Mean Temperature 89 °F 74 °F  
Max Temperature 99 °F 84 °F 100 °F (1942)
Min Temperature 79 °F 64 °F 51 °F (1985)
Degree Days
Heating Degree Days 0 0  
Month to date heating degree days 0 0  
Since 1 June heating degree days 14 48  
Since 1 July heating degree days 0 0  
Cooling Degree Days 24 9  
Month to date cooling degree days 313 152  
Year to date cooling degree days 775 371  
Since 1 June cooling degree days 604 317  
Growing Degree Days 39 (Base 50)    
Moisture
Dew Point 67 °F    
Average Humidity 54    
Maximum Humidity 74    
Minimum Humidity 33    
Precipitation
Precipitation 0.00 in 0.11 in 3.04 in (1969)
Month to date precipitation 0.56 1.88  
Year to date precipitation 13.67 18.41  
Snow
Snow 0.00 in 0.00 in T in (2003)
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 29.83 in    
Wind
Wind Speed 10 mph (WSW)    
Max Wind Speed 18 mph    
Max Gust Speed 26 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary
Daily Graph
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Local Photos
Nice Cumulonimbus Cloud
It looks like someone may be getting some relief from the heat!
Early Morning
Montrose Harbor, Chicago, IL.
Old Glory
Irving Park, Chicago, IL
Irving Park Clock Tower
Chicago, IL
Sunrise over Lake Michigan
Through a tree at Irving Park, Chicago, IL.
Sunrise Sihouette
Chicago, IL
Sunrise
Sunrise over Lake Michigan
Taken from the shoreline at Irving Park, Chicago, IL.
Wildflowers
Montrose Harbor, Chicago, IL.
Animated Container Garden
One frame per day for about a month.
Visit WunderPhotos
Astronomy
May. 22, 2013 Rise Set
Actual Time 5:31 AM CDT 8:23 PM CDT
Civil Twilight 4:58 AM CDT 8:56 PM CDT
Nautical Twilight 4:16 AM CDT 9:38 PM CDT
Astronomical Twilight 3:28 AM CDT 10:26 PM CDT
Moon 4:08 AM CDT (7/17) 7:12 PM CDT (7/17)
Length Of Visible Light 15h 58m
Length of Day
14h 52m
Waning Crescent, 2% of the Moon is Illuminated
Jul 17
Waning Crescent
Jul 18
New
Jul 26
First Quarter
Aug 1
Full
Aug 9
Last Quarter
Visit Astronomy
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 86.5 °F 69.1 °F 63% 29.83 in 10.0 mi SW 8.1 mph - N/A   Clear
1:51 AM 82.0 °F 85.9 °F 70.0 °F 67% 29.83 in 10.0 mi SW 6.9 mph - N/A   Clear
2:51 AM 82.0 °F 85.5 °F 69.1 °F 65% 29.83 in 10.0 mi SW 5.8 mph - N/A   Clear
3:51 AM 81.0 °F 84.1 °F 69.1 °F 67% 29.83 in 10.0 mi SW 5.8 mph - N/A   Clear
4:51 AM 80.1 °F 82.9 °F 69.1 °F 69% 29.84 in 10.0 mi SW 5.8 mph - N/A   Partly Cloudy
5:51 AM 79.0 °F - 69.1 °F 72% 29.84 in 10.0 mi WSW 6.9 mph - N/A   Partly Cloudy
6:51 AM 81.0 °F 84.1 °F 69.1 °F 67% 29.84 in 10.0 mi WSW 8.1 mph - N/A   Clear
7:51 AM 84.9 °F 88.8 °F 69.1 °F 59% 29.85 in 10.0 mi West 9.2 mph - N/A   Clear
8:51 AM 89.1 °F 93.7 °F 69.1 °F 52% 29.85 in 10.0 mi West 8.1 mph - N/A   Clear
9:51 AM 91.9 °F 95.9 °F 68.0 °F 45% 29.85 in 10.0 mi SW 10.4 mph - N/A   Clear
10:51 AM 95.0 °F 99.0 °F 66.9 °F 40% 29.84 in 10.0 mi WSW 12.7 mph - N/A   Partly Cloudy
11:51 AM 97.0 °F 100.4 °F 66.0 °F 36% 29.84 in 10.0 mi West 12.7 mph 18.4 mph N/A   Scattered Clouds
12:51 PM 97.0 °F 99.9 °F 64.9 °F 35% 29.83 in 10.0 mi West 15.0 mph 20.7 mph N/A   Scattered Clouds
1:51 PM 99.0 °F 101.7 °F 64.0 °F 32% 29.82 in 10.0 mi West 13.8 mph 20.7 mph N/A   Scattered Clouds
2:51 PM 98.1 °F 101.2 °F 64.9 °F 34% 29.80 in 10.0 mi WSW 15.0 mph 20.7 mph N/A   Scattered Clouds
3:51 PM 99.0 °F 101.7 °F 64.0 °F 32% 29.80 in 10.0 mi West 15.0 mph 24.2 mph N/A   Scattered Clouds
4:51 PM 98.1 °F 100.7 °F 64.0 °F 33% 29.77 in 10.0 mi WSW 16.1 mph 25.3 mph N/A   Scattered Clouds
5:51 PM 97.0 °F 99.9 °F 64.9 °F 35% 29.79 in 10.0 mi West 16.1 mph 23.0 mph N/A   Scattered Clouds
6:51 PM 95.0 °F 98.5 °F 66.2 °F 39% 29.82 in 10.0 mi West 18.4 mph - N/A   Scattered Clouds
7:51 PM 93.0 °F 95.0 °F 64.9 °F 39% 29.81 in 10.0 mi West 12.7 mph 18.4 mph N/A   Scattered Clouds
8:51 PM 91.0 °F 93.8 °F 66.0 °F 44% 29.81 in 10.0 mi WSW 8.1 mph - N/A   Scattered Clouds
9:51 PM 87.1 °F 91.3 °F 69.1 °F 55% 29.83 in 10.0 mi NNE 9.2 mph - N/A   Scattered Clouds
10:51 PM 82.0 °F 86.3 °F 71.1 °F 69% 29.84 in 10.0 mi NNE 3.5 mph - N/A   Partly Cloudy
11:51 PM 80.1 °F 83.8 °F 72.0 °F 76% 29.83 in 10.0 mi Calm Calm - N/A   Scattered Clouds
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