Weather History for Chicago, IL

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Monday, May 26, 2008

  Actual Average Record
Temperature  
Mean Temperature 64 °F 62 °F  
Max Temperature 81 °F 73 °F 94 °F (1911)
Min Temperature 47 °F 51 °F 34 °F (1983)
Degree Days  
Heating Degree Days 1 5  
Month to date heating degree days 249 203  
Since 1 July heating degree days 6327 6270  
Cooling Degree Days 0 2  
Month to date cooling degree days 0 32  
Year to date cooling degree days 0 42  
Growing Degree Days 18 (Base 50)    
Moisture  
Dew Point 62 °F    
Average Humidity 74    
Maximum Humidity 93    
Minimum Humidity 54    
Precipitation  
Precipitation 0.48 in 0.11 in 1.78 in (1913)
Month to date precipitation 3.69 3.08  
Year to date precipitation 14.50 12.48  
Snow  
Snow 0.00 in 0.00 in T in (1889)
Month to date snowfall 0.0 0.0  
Since 1 July snowfall 60.3 36.3  
Snow Depth -    
Sea Level Pressure  
Sea Level Pressure 29.81 in    
Wind  
Wind Speed 12 mph (WSW)    
Max Wind Speed 25 mph    
Max Gust Speed 37 mph    
Visibility 9 miles    
Events Rain , Thunderstorm    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

May. 26, 2008 Rise Set
Actual Time 5:21 AM CDT 8:16 PM CDT
Civil Twilight 4:48 AM CDT 8:49 PM CDT
Nautical Twilight 4:06 AM CDT 9:31 PM CDT
Astronomical Twilight 3:18 AM CDT 10:20 PM CDT
Moon 12:45 AM CDT (5/26) 10:58 AM CDT (5/26)
Length of Visible Light 16h 00m
Length of Day
14h 54m
Waning Gibbous, 64% of the Moon is Illuminated
May 26
Waning Gibbous
May 27
Last Quarter
Jun 3
New
Jun 10
First Quarter
Jun 18
Full

Hourly Weather History & Observations

Time (CDT) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:19 AM 69.8 °F - 60.8 °F 73% 29.82 in 10.0 mi North 11.5 mph 19.6 mph N/A   Overcast
12:45 AM 68.0 °F - 62.6 °F 83% 29.82 in 10.0 mi NE 12.7 mph - 0.00 in Rain , Thunderstorm Light Thunderstorms and Rain
12:51 AM 66.9 °F - 63.0 °F 87% 29.80 in 10.0 mi ENE 11.5 mph - 0.00 in Rain , Thunderstorm Light Thunderstorms and Rain
1:13 AM 66.2 °F - 62.6 °F 88% 29.78 in 10.0 mi ENE 9.2 mph - 0.00 in Thunderstorm Thunderstorm
1:48 AM 64.4 °F - 62.6 °F 94% 29.86 in 2.0 mi NW 5.8 mph - 0.09 in Rain , Thunderstorm Heavy Thunderstorms and Rain
1:51 AM 64.9 °F - 63.0 °F 93% 29.86 in 1.8 mi Variable 3.5 mph - 0.11 in Rain , Thunderstorm Heavy Thunderstorms and Rain
1:59 AM 64.4 °F - 62.6 °F 94% 29.85 in 3.0 mi Calm Calm - 0.05 in Rain , Thunderstorm Thunderstorms and Rain
2:46 AM 64.4 °F - 62.6 °F 94% 29.84 in 5.0 mi SSE 5.8 mph - 0.15 in Rain , Thunderstorm Light Thunderstorms and Rain
2:51 AM 64.0 °F - 63.0 °F 96% 29.85 in 5.0 mi South 6.9 mph - 0.15 in Rain , Thunderstorm Light Thunderstorms and Rain
3:43 AM 64.4 °F - 62.6 °F 94% 29.83 in 5.0 mi South 11.5 mph - 0.18 in Rain Light Rain
3:51 AM 64.9 °F - 63.0 °F 93% 29.81 in 4.0 mi South 11.5 mph - 0.19 in Rain Light Rain
4:51 AM 64.0 °F - 63.0 °F 96% 29.77 in 8.0 mi South 6.9 mph - 0.03 in   Mostly Cloudy
5:51 AM 64.9 °F - 62.1 °F 90% 29.77 in 10.0 mi SW 8.1 mph - N/A   Mostly Cloudy
6:51 AM 64.9 °F - 62.1 °F 90% 29.77 in 10.0 mi WSW 9.2 mph - N/A   Mostly Cloudy
7:51 AM 68.0 °F - 62.1 °F 81% 29.78 in 10.0 mi SW 13.8 mph 20.7 mph N/A   Mostly Cloudy
8:51 AM 71.1 °F - 63.0 °F 75% 29.77 in 10.0 mi WSW 13.8 mph 20.7 mph N/A   Mostly Cloudy
9:51 AM 73.0 °F - 63.0 °F 71% 29.78 in 10.0 mi WSW 12.7 mph 24.2 mph N/A   Mostly Cloudy
10:51 AM 75.0 °F - 64.0 °F 69% 29.78 in 10.0 mi WSW 13.8 mph 21.9 mph N/A   Mostly Cloudy
11:51 AM 75.9 °F - 64.0 °F 67% 29.78 in 10.0 mi WSW 11.5 mph - N/A   Overcast
12:51 PM 75.9 °F - 64.9 °F 69% 29.79 in 10.0 mi SW 13.8 mph - N/A   Overcast
1:36 PM 78.8 °F - 66.2 °F 65% 29.79 in 10.0 mi WSW 15.0 mph 21.9 mph N/A   Mostly Cloudy
1:47 PM 78.8 °F - 66.2 °F 65% 29.80 in 10.0 mi SW 12.7 mph 23.0 mph N/A   Mostly Cloudy
1:51 PM 79.0 °F - 66.0 °F 64% 29.79 in 10.0 mi WSW 13.8 mph 21.9 mph N/A   Mostly Cloudy
2:51 PM 80.1 °F 81.7 °F 64.0 °F 58% 29.79 in 10.0 mi WSW 16.1 mph 21.9 mph N/A   Mostly Cloudy
3:51 PM 80.1 °F 81.9 °F 64.9 °F 60% 29.77 in 10.0 mi West 13.8 mph 23.0 mph N/A   Mostly Cloudy
4:51 PM 81.0 °F 82.7 °F 64.9 °F 58% 29.77 in 10.0 mi West 12.7 mph 18.4 mph N/A   Mostly Cloudy
5:51 PM 80.1 °F 81.7 °F 64.0 °F 58% 29.76 in 10.0 mi WSW 11.5 mph 19.6 mph N/A   Scattered Clouds
6:51 PM 80.1 °F 81.5 °F 63.0 °F 56% 29.78 in 10.0 mi West 10.4 mph - N/A   Scattered Clouds
7:51 PM 78.1 °F - 64.0 °F 62% 29.79 in 10.0 mi West 8.1 mph - N/A   Mostly Cloudy
8:51 PM 75.0 °F - 64.9 °F 71% 29.80 in 10.0 mi West 5.8 mph - N/A   Scattered Clouds
9:51 PM 72.0 °F - 64.9 °F 78% 29.82 in 10.0 mi West 4.6 mph - N/A   Scattered Clouds
10:51 PM 55.9 °F - 46.0 °F 69% 29.88 in 10.0 mi NNE 18.4 mph 32.2 mph N/A   Scattered Clouds
10:58 PM 55.4 °F - 46.4 °F 72% 29.89 in 10.0 mi NNE 21.9 mph 28.8 mph N/A   Scattered Clouds
11:51 PM 52.0 °F - 43.0 °F 71% 29.95 in 10.0 mi NNE 20.7 mph 26.5 mph N/A   Scattered Clouds