Weather History for KMDW - February, 2013

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Thursday, February 21, 2013

  Actual Average Record
Temperature  
Mean Temperature 27 °F 31 °F  
Max Temperature 32 °F 38 °F 66 °F (1930)
Min Temperature 21 °F 23 °F -6 °F (1963)
Degree Days  
Heating Degree Days 38 34  
Month to date heating degree days 801 782  
Since 1 July heating degree days 3915 4278  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 18 °F    
Average Humidity 68    
Maximum Humidity 84    
Minimum Humidity 43    
Precipitation  
Precipitation 0.05 in 0.07 in 3.25 in (1997)
Month to date precipitation 1.19 1.35  
Year to date precipitation 3.74 3.41  
Snow  
Snow 0.00 in - - ()
Snow Depth 1.00 in    
Sea Level Pressure  
Sea Level Pressure 30.26 in    
Wind  
Wind Speed 13 mph (ENE)    
Max Wind Speed 26 mph    
Max Gust Speed 35 mph    
Visibility 9 miles    
Events Snow    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Feb. 21, 2013 Rise Set
Actual Time 6:37 AM CST 5:32 PM CST
Civil Twilight 6:09 AM CST 6:00 PM CST
Nautical Twilight 5:37 AM CST 6:32 PM CST
Astronomical Twilight 5:05 AM CST 7:04 PM CST
Moon 1:44 PM CST (2/21) 3:44 AM CST (2/21)
Length of Visible Light 11h 50m
Length of Day
10h 54m
Waxing Gibbous, 84% of the Moon is Illuminated
Feb 21
Waxing Gibbous
Feb 25
Full
Mar 4
Last Quarter
Mar 11
New
Mar 19
First Quarter

Hourly Weather History & Observations

Time (CST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:51 AM 21.0 °F 14.6 °F 9.0 °F 60% 30.39 in 10.0 mi NNW 4.6 mph - N/A   Overcast
1:51 AM 21.9 °F 12.5 °F 9.0 °F 58% 30.40 in 10.0 mi NW 8.1 mph - N/A   Overcast
2:51 AM 21.9 °F 12.5 °F 9.0 °F 58% 30.38 in 10.0 mi NW 8.1 mph - N/A   Overcast
3:51 AM 21.9 °F 13.4 °F 10.0 °F 60% 30.38 in 10.0 mi NW 6.9 mph - N/A   Overcast
4:51 AM 21.9 °F 14.5 °F 10.9 °F 63% 30.41 in 10.0 mi NW 5.8 mph - N/A   Overcast
5:51 AM 24.8 °F 20.5 °F 12.2 °F 59% 30.35 in 10.0 mi NW 3.5 mph - N/A Snow Light Snow
6:51 AM 24.1 °F 16.0 °F 15.1 °F 69% 30.38 in 10.0 mi NNW 6.9 mph - 0.00 in   Overcast
7:51 AM 25.0 °F 17.1 °F 16.0 °F 69% 30.40 in 10.0 mi WNW 6.9 mph - N/A   Overcast
8:51 AM 28.9 °F 16.9 °F 21.0 °F 72% 30.36 in 10.0 mi NE 17.3 mph 21.9 mph N/A   Overcast
9:51 AM 30.0 °F 20.0 °F 21.9 °F 72% 30.38 in 10.0 mi NE 12.7 mph - N/A   Overcast
10:51 AM 30.9 °F 21.7 °F 21.9 °F 69% 30.36 in 10.0 mi ENE 11.5 mph - N/A   Overcast
11:51 AM 30.9 °F 20.2 °F 23.0 °F 72% 30.35 in 10.0 mi East 15.0 mph - N/A   Overcast
12:37 PM 28.4 °F 18.0 °F 21.2 °F 74% 30.26 in 10.0 mi East 12.7 mph 20.7 mph N/A   Overcast
12:51 PM 28.4 °F 17.5 °F 21.2 °F 74% 30.25 in 10.0 mi East 13.8 mph - N/A   Overcast
1:51 PM 28.0 °F 15.3 °F 21.9 °F 78% 30.25 in 10.0 mi East 18.4 mph 21.9 mph N/A   Overcast
2:51 PM 28.0 °F 16.5 °F 21.0 °F 75% 30.28 in 10.0 mi East 15.0 mph - N/A   Overcast
3:46 PM 26.6 °F 15.2 °F 17.6 °F 69% 30.22 in 10.0 mi East 13.8 mph - N/A   Overcast
3:51 PM 27.0 °F 16.7 °F 18.0 °F 69% 30.27 in 10.0 mi East 11.5 mph - N/A   Overcast
4:51 PM 27.0 °F 16.1 °F 18.0 °F 69% 30.24 in 10.0 mi East 12.7 mph - N/A   Overcast
5:51 PM 27.0 °F 15.6 °F 18.0 °F 69% 30.22 in 10.0 mi East 13.8 mph - N/A   Overcast
6:51 PM 28.0 °F 15.3 °F 18.0 °F 66% 30.19 in 10.0 mi East 18.4 mph 27.6 mph N/A   Overcast
7:51 PM 28.0 °F 14.9 °F 19.0 °F 69% 30.18 in 10.0 mi East 19.6 mph 25.3 mph N/A   Overcast
8:51 PM 28.0 °F 13.9 °F 19.0 °F 69% 30.11 in 10.0 mi East 23.0 mph 34.5 mph N/A   Overcast
9:51 PM 28.0 °F 13.9 °F 19.0 °F 69% 30.07 in 10.0 mi East 23.0 mph 31.1 mph N/A   Overcast
10:30 PM 26.6 °F 13.1 °F 19.4 °F 74% 30.03 in 1.5 mi East 19.6 mph - 0.00 in Snow Light Snow
10:51 PM 26.1 °F 15.0 °F 21.9 °F 84% 30.06 in 1.0 mi East 12.7 mph 25.3 mph 0.00 in Snow Light Snow
11:17 PM 26.6 °F 15.2 °F 21.2 °F 80% 30.01 in 0.8 mi East 13.8 mph - 0.02 in Snow Light Snow
11:51 PM 26.1 °F 12.7 °F 21.9 °F 84% 30.03 in 0.8 mi East 18.4 mph - 0.05 in Snow Light Snow