Weather History for Knoxville, TN

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Sunday, February 20, 2011

  Actual Average Record
Temperature  
Mean Temperature 56 °F 44 °F  
Max Temperature 69 °F 54 °F 75 °F (1986)
Min Temperature 42 °F 34 °F 8 °F (1885)
Degree Days  
Heating Degree Days 9 21  
Month to date heating degree days 435 473  
Since 1 July heating degree days 2890 2735  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Growing Degree Days 6 (Base 50)    
Moisture  
Dew Point 27 °F    
Average Humidity 43    
Maximum Humidity 61    
Minimum Humidity 24    
Precipitation  
Precipitation 0.00 in 0.15 in 1.45 in (1947)
Month to date precipitation 0.73 3.04  
Year to date precipitation 4.15 7.36  
Snow  
Snow 0.00 in 0.10 in - ()
Month to date snowfall 0.8 1.3  
Since 1 July snowfall 12.3 4.8  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.08 in    
Wind  
Wind Speed 8 mph (North)    
Max Wind Speed 21 mph    
Max Gust Speed 26 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Feb. 20, 2011 Rise Set
Actual Time 7:17 AM EST 6:22 PM EST
Civil Twilight 6:51 AM EST 6:48 PM EST
Nautical Twilight 6:21 AM EST 7:18 PM EST
Astronomical Twilight 5:52 AM EST 7:47 PM EST
Moon 9:32 PM EST (2/20) 8:20 AM EST (2/20)
Length of Visible Light 11h 56m
Length of Day
11h 04m
Waning Gibbous, 92% of the Moon is Illuminated
Feb 20
Waning Gibbous
Feb 24
Last Quarter
Mar 4
New
Mar 12
First Quarter
Mar 19
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 46.9 °F - 19.9 °F 34% 30.22 in 10.0 mi NNE 10.4 mph - N/A   Clear
1:53 AM 46.9 °F - 19.0 °F 33% 30.21 in 10.0 mi NNE 11.5 mph - N/A   Clear
2:53 AM 45.0 °F 39.7 °F 19.0 °F 36% 30.20 in 10.0 mi NNE 10.4 mph - N/A   Clear
3:53 AM 45.0 °F 40.1 °F 19.0 °F 36% 30.19 in 10.0 mi North 9.2 mph - N/A   Clear
4:53 AM 46.0 °F 42.5 °F 18.0 °F 33% 30.19 in 10.0 mi NNE 6.9 mph - N/A   Overcast
5:53 AM 44.1 °F 40.8 °F 19.9 °F 38% 30.18 in 10.0 mi NNE 5.8 mph - N/A   Mostly Cloudy
6:53 AM 44.1 °F 41.5 °F 19.0 °F 37% 30.19 in 10.0 mi NNE 4.6 mph - N/A   Mostly Cloudy
7:53 AM 45.0 °F 42.6 °F 19.0 °F 36% 30.20 in 10.0 mi NNE 4.6 mph - N/A   Mostly Cloudy
8:53 AM 46.0 °F 42.5 °F 19.9 °F 35% 30.20 in 10.0 mi NE 6.9 mph - N/A   Overcast
9:53 AM 48.0 °F - 19.9 °F 33% 30.20 in 10.0 mi NE 5.8 mph - N/A   Overcast
10:53 AM 50.0 °F - 21.0 °F 32% 30.18 in 10.0 mi NNE 4.6 mph - N/A   Overcast
11:53 AM 52.0 °F - 23.0 °F 32% 30.16 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
12:53 PM 54.0 °F - 23.0 °F 30% 30.12 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
1:53 PM 60.1 °F - 25.0 °F 26% 30.06 in 10.0 mi Calm Calm - N/A   Partly Cloudy
2:53 PM 64.9 °F - 27.0 °F 24% 30.02 in 10.0 mi North 4.6 mph - N/A   Scattered Clouds
3:53 PM 68.0 °F - 30.0 °F 24% 29.98 in 10.0 mi SSW 11.5 mph - N/A   Scattered Clouds
4:53 PM 66.9 °F - 30.9 °F 26% 29.95 in 10.0 mi SSW 12.7 mph - N/A   Mostly Cloudy
5:53 PM 64.9 °F - 30.9 °F 28% 29.94 in 10.0 mi South 11.5 mph - N/A   Mostly Cloudy
6:53 PM 63.0 °F - 37.0 °F 38% 29.94 in 10.0 mi SSW 17.3 mph - N/A   Mostly Cloudy
7:53 PM 60.1 °F - 37.9 °F 44% 29.94 in 10.0 mi SSW 10.4 mph - N/A   Mostly Cloudy
8:53 PM 57.0 °F - 39.0 °F 51% 29.92 in 10.0 mi SW 9.2 mph - N/A   Scattered Clouds
9:53 PM 55.0 °F - 41.0 °F 59% 29.90 in 10.0 mi SSW 9.2 mph - N/A   Scattered Clouds
10:53 PM 55.9 °F - 42.1 °F 60% 29.89 in 10.0 mi SW 10.4 mph - N/A   Scattered Clouds
11:53 PM 57.0 °F - 42.1 °F 57% 29.88 in 10.0 mi WSW 11.5 mph - N/A   Scattered Clouds