Weather History for Knoxville, TN

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Monday, September 12, 2011

  Actual Average Record
Temperature  
Mean Temperature 72 °F 73 °F  
Max Temperature 84 °F 83 °F 94 °F (1931)
Min Temperature 59 °F 62 °F 45 °F (1940)
Degree Days  
Heating Degree Days 0 0  
Month to date heating degree days 1 0  
Since 1 July heating degree days 1 0  
Cooling Degree Days 7 8  
Month to date cooling degree days 87 113  
Year to date cooling degree days 1770 1394  
Growing Degree Days 21 (Base 50)    
Moisture  
Dew Point 59 °F    
Average Humidity 67    
Maximum Humidity 97    
Minimum Humidity 37    
Precipitation  
Precipitation 0.00 in 0.12 in 1.10 in (1987)
Month to date precipitation 7.37 1.25  
Year to date precipitation 38.52 34.85  
Snow  
Snow 0.00 in 0.00 in - ()
Month to date snowfall 0.0 0.0  
Since 1 July snowfall 0.0 0.0  
Since 1 September snowfall 0.0 0.0  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.07 in    
Wind  
Wind Speed 1 mph (West)    
Max Wind Speed 9 mph    
Max Gust Speed 12 mph    
Visibility 9 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Sep. 12, 2011 Rise Set
Actual Time 7:16 AM EDT 7:47 PM EDT
Civil Twilight 6:50 AM EDT 8:13 PM EDT
Nautical Twilight 6:20 AM EDT 8:43 PM EDT
Astronomical Twilight 5:49 AM EDT 9:14 PM EDT
Moon 7:39 PM EDT (9/12) 7:29 AM EDT (9/12)
Length of Visible Light 13h 23m
Length of Day
12h 31m
Full, 100% of the Moon is Illuminated
Sep 12
Full
Sep 20
Last Quarter
Sep 27
New
Oct 3
First Quarter
Oct 11
Full

Hourly Weather History & Observations

Time (EDT) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 64.9 °F - 60.1 °F 84% 30.08 in 10.0 mi NNE 3.5 mph - N/A   Partly Cloudy
1:53 AM 64.0 °F - 60.1 °F 87% 30.07 in 10.0 mi Calm Calm - N/A   Clear
2:53 AM 63.0 °F - 60.1 °F 90% 30.08 in 10.0 mi Calm Calm - N/A   Clear
3:37 AM 62.6 °F - 60.8 °F 94% 30.10 in 10.0 mi WSW 4.6 mph - N/A   Mostly Cloudy
3:53 AM 61.0 °F - 59.0 °F 93% 30.08 in 8.0 mi Calm Calm - N/A   Mostly Cloudy
4:40 AM 60.8 °F - 59.0 °F 94% 30.10 in 7.0 mi Calm Calm - N/A   Mostly Cloudy
4:53 AM 61.0 °F - 59.0 °F 93% 30.08 in 8.0 mi Calm Calm - N/A   Scattered Clouds
5:53 AM 61.0 °F - 59.0 °F 93% 30.09 in 7.0 mi Calm Calm - N/A   Scattered Clouds
6:53 AM 60.1 °F - 57.9 °F 93% 30.09 in 5.0 mi Calm Calm - N/A   Scattered Clouds
7:53 AM 61.0 °F - 57.9 °F 90% 30.12 in 4.0 mi Calm Calm - N/A   Partly Cloudy
8:53 AM 64.0 °F - 61.0 °F 90% 30.12 in 6.0 mi Calm Calm - N/A   Clear
9:53 AM 69.1 °F - 61.0 °F 75% 30.13 in 9.0 mi Calm Calm - N/A   Partly Cloudy
10:53 AM 73.0 °F - 62.1 °F 68% 30.13 in 10.0 mi West 3.5 mph - N/A   Partly Cloudy
11:53 AM 75.9 °F - 59.0 °F 56% 30.12 in 10.0 mi NW 3.5 mph - N/A   Clear
12:53 PM 78.1 °F - 59.0 °F 52% 30.10 in 10.0 mi Calm Calm - N/A   Partly Cloudy
1:53 PM 80.1 °F 80.7 °F 59.0 °F 48% 30.08 in 10.0 mi WSW 3.5 mph - N/A   Partly Cloudy
2:53 PM 80.1 °F 80.2 °F 55.9 °F 43% 30.05 in 10.0 mi SSW 4.6 mph - N/A   Partly Cloudy
3:53 PM 82.0 °F 81.7 °F 57.0 °F 42% 30.03 in 10.0 mi Calm Calm - N/A   Scattered Clouds
4:53 PM 82.9 °F 81.8 °F 53.1 °F 36% 30.01 in 10.0 mi Variable 4.6 mph - N/A   Scattered Clouds
5:53 PM 82.9 °F 82.0 °F 55.0 °F 38% 30.01 in 10.0 mi Calm Calm - N/A   Partly Cloudy
6:53 PM 81.0 °F 80.8 °F 55.9 °F 42% 30.01 in 10.0 mi Calm Calm - N/A   Partly Cloudy
7:53 PM 78.1 °F - 57.9 °F 50% 30.01 in 10.0 mi Calm Calm - N/A   Partly Cloudy
8:53 PM 73.0 °F - 61.0 °F 66% 30.03 in 10.0 mi Calm Calm - N/A   Partly Cloudy
9:53 PM 71.1 °F - 61.0 °F 70% 30.04 in 10.0 mi Calm Calm - N/A   Clear
10:53 PM 70.0 °F - 60.1 °F 71% 30.05 in 10.0 mi Calm Calm - N/A   Clear
11:53 PM 66.9 °F - 60.1 °F 79% 30.05 in 10.0 mi Calm Calm - N/A   Clear