Weather History for Madison, WI

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Sunday, December 18, 2011

  Actual Average Record
Temperature  
Mean Temperature 28 °F 22 °F  
Max Temperature 42 °F 29 °F 53 °F (2002)
Min Temperature 14 °F 15 °F -20 °F (1884)
Degree Days  
Heating Degree Days 37 43  
Month to date heating degree days 596 722  
Since 1 July heating degree days 1948 2301  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 814 568  
Moisture  
Dew Point 26 °F    
Average Humidity 80    
Maximum Humidity 96    
Minimum Humidity 64    
Precipitation  
Precipitation 0.00 in 0.04 in 0.58 in (2002)
Month to date precipitation 1.83 1.14  
Year to date precipitation 30.14 33.88  
Snow  
Snow 0.00 in 0.40 in 8.20 in (2000)
Month to date snowfall 1.3 7.9  
Since 1 July snowfall 2.9 12.0  
Snow Depth 1.00 in    
Sea Level Pressure  
Sea Level Pressure 30.03 in    
Wind  
Wind Speed 8 mph (SSW)    
Max Wind Speed 18 mph    
Max Gust Speed 24 mph    
Visibility 8 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Dec. 18, 2011 Rise Set
Actual Time 7:24 AM CST 4:23 PM CST
Civil Twilight 6:51 AM CST 4:56 PM CST
Nautical Twilight 6:15 AM CST 5:32 PM CST
Astronomical Twilight 5:40 AM CST 6:06 PM CST
Moon 12:16 AM CST (12/18) 11:56 AM CST (12/18)
Length of Visible Light 10h 04m
Length of Day
8h 59m
Last Quarter, 42% of the Moon is Illuminated
Dec 18
Last Quarter
Dec 24
New
Jan 1
First Quarter
Jan 9
Full
Jan 16
Last Quarter

Hourly Weather History & Observations

Time (CST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 26.1 °F - 23.0 °F 88% 30.19 in 5.0 mi Calm Calm - N/A   Clear
1:53 AM 24.1 °F - 21.9 °F 91% 30.18 in 5.0 mi Calm Calm - N/A   Clear
2:53 AM 23.0 °F - 19.9 °F 88% 30.19 in 5.0 mi Calm Calm - N/A   Clear
3:53 AM 19.0 °F - 18.0 °F 96% 30.19 in 5.0 mi Calm Calm - N/A   Clear
4:53 AM 16.0 °F - 14.0 °F 92% 30.18 in 5.0 mi Calm Calm - N/A   Clear
5:53 AM 14.0 °F - 12.0 °F 92% 30.19 in 4.0 mi Calm Calm - N/A   Partly Cloudy
6:53 AM 18.0 °F - 15.1 °F 88% 30.18 in 5.0 mi Calm Calm - N/A   Clear
7:53 AM 19.9 °F 13.4 °F 17.1 °F 89% 30.17 in 4.0 mi South 4.6 mph - N/A   Clear
8:53 AM 26.1 °F 20.5 °F 24.1 °F 92% 30.16 in 5.0 mi South 4.6 mph - N/A   Clear
9:53 AM 30.0 °F 20.5 °F 24.1 °F 79% 30.14 in 9.0 mi South 11.5 mph - N/A   Clear
10:53 AM 33.1 °F 23.0 °F 24.1 °F 70% 30.11 in 10.0 mi South 15.0 mph - N/A   Clear
11:53 AM 36.0 °F 27.5 °F 26.1 °F 67% 30.06 in 10.0 mi South 12.7 mph - N/A   Clear
12:53 PM 37.9 °F 29.6 °F 28.0 °F 68% 30.02 in 10.0 mi South 13.8 mph 20.7 mph N/A   Clear
1:53 PM 39.9 °F 32.1 °F 28.9 °F 65% 29.99 in 10.0 mi South 13.8 mph - N/A   Clear
2:53 PM 41.0 °F 32.8 °F 30.9 °F 67% 29.95 in 10.0 mi South 16.1 mph 21.9 mph N/A   Clear
3:53 PM 39.9 °F 32.1 °F 32.0 °F 73% 29.93 in 10.0 mi South 13.8 mph 24.2 mph N/A   Clear
4:53 PM 39.0 °F 31.8 °F 32.0 °F 76% 29.91 in 10.0 mi South 11.5 mph - N/A   Clear
5:53 PM 39.9 °F 32.1 °F 33.1 °F 77% 29.89 in 10.0 mi South 13.8 mph - N/A   Clear
6:53 PM 39.9 °F 32.9 °F 33.1 °F 77% 29.88 in 10.0 mi SSW 11.5 mph 20.7 mph N/A   Clear
7:53 PM 41.0 °F 35.8 °F 33.1 °F 73% 29.86 in 10.0 mi SSW 8.1 mph 17.3 mph N/A   Clear
8:53 PM 41.0 °F 35.2 °F 33.1 °F 73% 29.85 in 10.0 mi SW 9.2 mph 17.3 mph N/A   Clear
9:53 PM 41.0 °F 35.2 °F 33.1 °F 73% 29.84 in 10.0 mi SW 9.2 mph 18.4 mph N/A   Clear
10:53 PM 42.1 °F 37.7 °F 34.0 °F 73% 29.82 in 10.0 mi SW 6.9 mph - N/A   Clear
11:53 PM 42.1 °F 35.7 °F 34.0 °F 73% 29.82 in 10.0 mi SW 11.5 mph 19.6 mph N/A   Clear