Weather History for Knoxville, TN

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Monday, December 12, 2011

  Actual Average Record
Temperature  
Mean Temperature 43 °F 41 °F  
Max Temperature 55 °F 50 °F 74 °F (1931)
Min Temperature 31 °F 32 °F 3 °F (1962)
Degree Days  
Heating Degree Days 22 24  
Month to date heating degree days 254 268  
Since 1 July heating degree days 904 949  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 1869 1526  
Moisture  
Dew Point 32 °F    
Average Humidity 65    
Maximum Humidity 89    
Minimum Humidity 41    
Precipitation  
Precipitation 0.00 in 0.16 in 2.16 in (1956)
Month to date precipitation 2.04 1.86  
Year to date precipitation 53.77 45.22  
Snow  
Snow 0.00 in 0.00 in - ()
Month to date snowfall 0.1 0.2  
Since 1 July snowfall 0.1 0.2  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.44 in    
Wind  
Wind Speed 3 mph (North)    
Max Wind Speed 10 mph    
Max Gust Speed 13 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Dec. 12, 2011 Rise Set
Actual Time 7:36 AM EST 5:22 PM EST
Civil Twilight 7:08 AM EST 5:51 PM EST
Nautical Twilight 6:36 AM EST 6:23 PM EST
Astronomical Twilight 6:04 AM EST 6:54 PM EST
Moon 7:31 PM EST (12/12) 9:08 AM EST (12/12)
Length of Visible Light 10h 43m
Length of Day
9h 46m
Waning Gibbous, 96% of the Moon is Illuminated
Dec 12
Waning Gibbous
Dec 17
Last Quarter
Dec 24
New
Jan 1
First Quarter
Jan 9
Full

Hourly Weather History & Observations

Time (EST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 32.0 °F - 27.0 °F 82% 30.44 in 10.0 mi Calm Calm - N/A   Clear
1:53 AM 33.1 °F - 28.0 °F 82% 30.44 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
2:53 AM 33.1 °F 28.7 °F 28.9 °F 85% 30.43 in 10.0 mi ENE 4.6 mph - N/A   Overcast
3:53 AM 34.0 °F 31.0 °F 30.0 °F 85% 30.43 in 10.0 mi NW 3.5 mph - N/A   Overcast
4:53 AM 37.0 °F - 30.0 °F 76% 30.45 in 10.0 mi Calm Calm - N/A   Overcast
5:53 AM 36.0 °F - 30.0 °F 79% 30.45 in 10.0 mi Calm Calm - N/A   Overcast
6:53 AM 36.0 °F 33.3 °F 30.0 °F 79% 30.47 in 10.0 mi ENE 3.5 mph - N/A   Overcast
7:53 AM 37.0 °F 32.4 °F 28.9 °F 73% 30.47 in 10.0 mi NE 5.8 mph - N/A   Overcast
8:53 AM 37.9 °F 33.5 °F 28.9 °F 70% 30.48 in 10.0 mi NE 5.8 mph - N/A   Mostly Cloudy
9:53 AM 42.1 °F 37.1 °F 28.9 °F 60% 30.48 in 10.0 mi NE 8.1 mph - N/A   Scattered Clouds
10:53 AM 46.0 °F 43.1 °F 28.9 °F 51% 30.48 in 10.0 mi ENE 5.8 mph - N/A   Overcast
11:53 AM 48.0 °F - 28.9 °F 48% 30.47 in 10.0 mi NNE 6.9 mph - N/A   Mostly Cloudy
12:53 PM 51.1 °F - 30.9 °F 46% 30.43 in 10.0 mi NE 8.1 mph - N/A   Mostly Cloudy
1:53 PM 53.1 °F - 30.0 °F 41% 30.40 in 10.0 mi North 8.1 mph - N/A   Mostly Cloudy
2:53 PM 54.0 °F - 30.0 °F 40% 30.40 in 10.0 mi NNW 3.5 mph - N/A   Mostly Cloudy
3:53 PM 53.1 °F - 30.9 °F 43% 30.39 in 10.0 mi NNW 5.8 mph - N/A   Overcast
4:53 PM 51.1 °F - 32.0 °F 48% 30.41 in 10.0 mi NW 4.6 mph - N/A   Mostly Cloudy
5:53 PM 50.0 °F - 33.1 °F 52% 30.42 in 10.0 mi WNW 3.5 mph - N/A   Overcast
6:53 PM 48.9 °F - 33.1 °F 54% 30.43 in 10.0 mi Calm Calm - N/A   Overcast
7:53 PM 46.9 °F - 35.1 °F 63% 30.44 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
8:53 PM 46.9 °F - 34.0 °F 61% 30.43 in 10.0 mi Calm Calm - N/A   Overcast
9:53 PM 48.0 °F - 35.1 °F 61% 30.45 in 10.0 mi WNW 3.5 mph - N/A   Overcast
10:40 PM 48.2 °F - 35.6 °F 62% 30.44 in 10.0 mi Calm Calm - N/A   Overcast
10:53 PM 48.0 °F - 36.0 °F 63% 30.45 in 10.0 mi Calm Calm - N/A   Overcast
11:04 PM 48.2 °F - 35.6 °F 62% 30.44 in 10.0 mi Calm Calm - N/A   Overcast
11:15 PM 48.2 °F - 35.6 °F 62% 30.45 in 10.0 mi West 5.8 mph - N/A   Overcast
11:53 PM 48.0 °F - 37.0 °F 66% 30.45 in 10.0 mi Calm Calm - N/A   Overcast