Weather History for Knoxville, TN

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Saturday, December 15, 2012

  Actual Average Record
Temperature  
Mean Temperature 48 °F 41 °F  
Max Temperature 59 °F 50 °F 73 °F (1971)
Min Temperature 36 °F 32 °F 5 °F (1914)
Degree Days  
Heating Degree Days 17 24  
Month to date heating degree days 211 340  
Since 1 July heating degree days 989 1021  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 1725 1526  
Moisture  
Dew Point 38 °F    
Average Humidity 72    
Maximum Humidity 92    
Minimum Humidity 51    
Precipitation  
Precipitation 0.07 in 0.15 in 1.54 in (1922)
Month to date precipitation 1.18 2.30  
Year to date precipitation 48.64 45.66  
Snow  
Snow 0.00 in 0.00 in - ()
Month to date snowfall 0.0 0.2  
Since 1 July snowfall 0.0 0.2  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.10 in    
Wind  
Wind Speed 2 mph (SW)    
Max Wind Speed 9 mph    
Max Gust Speed 17 mph    
Visibility 10 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Dec. 15, 2012 Rise Set
Actual Time 7:39 AM EST 5:23 PM EST
Civil Twilight 7:10 AM EST 5:52 PM EST
Nautical Twilight 6:38 AM EST 6:24 PM EST
Astronomical Twilight 6:07 AM EST 6:55 PM EST
Moon 9:34 AM EST (12/15) 8:22 PM EST (12/15)
Length of Visible Light 10h 41m
Length of Day
9h 44m
Waxing Crescent, 8% of the Moon is Illuminated
Dec 15
Waxing Crescent
Dec 20
First Quarter
Dec 28
Full
Jan 4
Last Quarter
Jan 11
New

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 37.9 °F - 34.0 °F 86% 30.18 in 10.0 mi Calm Calm - N/A   Clear
1:53 AM 37.0 °F - 34.0 °F 89% 30.18 in 10.0 mi Calm Calm - N/A   Clear
2:53 AM 37.9 °F 35.5 °F 35.1 °F 89% 30.19 in 10.0 mi SSW 3.5 mph - N/A   Clear
3:53 AM 39.0 °F 35.7 °F 34.0 °F 82% 30.19 in 10.0 mi ESE 4.6 mph - N/A   Clear
4:53 AM 37.9 °F 35.5 °F 35.1 °F 89% 30.14 in 10.0 mi East 3.5 mph - N/A   Clear
5:53 AM 37.9 °F - 34.0 °F 86% 30.18 in 10.0 mi Calm Calm - N/A   Clear
6:53 AM 39.0 °F - 35.1 °F 86% 30.20 in 10.0 mi Calm Calm - N/A   Partly Cloudy
7:53 AM 39.0 °F - 35.1 °F 86% 30.21 in 10.0 mi Calm Calm - N/A   Partly Cloudy
8:53 AM 41.0 °F 39.0 °F 36.0 °F 82% 30.20 in 10.0 mi ENE 3.5 mph - N/A   Partly Cloudy
9:53 AM 44.1 °F - 39.0 °F 82% 30.20 in 10.0 mi Calm Calm - N/A   Scattered Clouds
10:53 AM 48.9 °F - 37.9 °F 66% 30.19 in 10.0 mi Calm Calm - N/A   Partly Cloudy
11:53 AM 52.0 °F - 37.0 °F 57% 30.13 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
12:53 PM 53.1 °F - 37.0 °F 55% 30.09 in 10.0 mi Calm Calm - N/A   Overcast
1:53 PM 55.0 °F - 37.9 °F 53% 30.04 in 10.0 mi Calm Calm - N/A   Scattered Clouds
2:53 PM 57.9 °F - 39.0 °F 49% 30.02 in 10.0 mi SW 10.4 mph - N/A   Scattered Clouds
3:53 PM 57.9 °F - 39.9 °F 51% 30.00 in 10.0 mi SW 5.8 mph - N/A   Scattered Clouds
4:53 PM 55.9 °F - 39.9 °F 55% 29.99 in 10.0 mi Calm Calm - N/A   Scattered Clouds
5:53 PM 55.9 °F - 41.0 °F 57% 30.00 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
6:53 PM 55.0 °F - 39.9 °F 57% 29.99 in 10.0 mi South 3.5 mph - N/A   Mostly Cloudy
7:53 PM 55.0 °F - 42.1 °F 62% 29.99 in 10.0 mi West 5.8 mph - N/A   Overcast
8:53 PM 51.1 °F - 41.0 °F 68% 29.98 in 10.0 mi West 4.6 mph - N/A   Mostly Cloudy
9:53 PM 52.0 °F - 42.1 °F 69% 29.98 in 10.0 mi Calm Calm - N/A   Overcast
10:53 PM 51.1 °F - 45.0 °F 80% 29.99 in 4.0 mi West 4.6 mph - 0.02 in Rain Rain
11:53 PM 52.0 °F - 46.9 °F 83% 29.99 in 9.0 mi SW 8.1 mph - 0.04 in Rain Light Rain