Weather History for Knoxville, TN

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Tuesday, August 21, 2012

  Actual Average Record
Temperature  
Mean Temperature 71 °F 78 °F  
Max Temperature 84 °F 88 °F 101 °F (1983)
Min Temperature 58 °F 68 °F 57 °F (1893)
Degree Days  
Heating Degree Days 0 0  
Month to date heating degree days 0 0  
Since 1 June heating degree days 3 4  
Since 1 July heating degree days 0 0  
Cooling Degree Days 6 13  
Month to date cooling degree days 235 273  
Year to date cooling degree days 1395 1157  
Since 1 June cooling degree days 1082 995  
Growing Degree Days 20 (Base 50)    
Moisture  
Dew Point 56 °F    
Average Humidity 63    
Maximum Humidity 93    
Minimum Humidity 32    
Precipitation  
Precipitation 0.00 in 0.10 in 1.36 in (1908)
Month to date precipitation 4.08 2.37  
Year to date precipitation 35.92 32.70  
Snow  
Snow 0.00 in 0.00 in - ()
Month to date snowfall 0.0 0.0  
Since 1 June snowfall 0.0 0.0  
Since 1 July snowfall 0.0 0.0  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.02 in    
Wind  
Wind Speed 2 mph (North)    
Max Wind Speed 9 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

Aug. 21, 2012 Rise Set
Actual Time 6:59 AM EDT 8:17 PM EDT
Civil Twilight 6:33 AM EDT 8:44 PM EDT
Nautical Twilight 6:01 AM EDT 9:15 PM EDT
Astronomical Twilight 5:27 AM EDT 9:49 PM EDT
Moon 11:17 AM EDT (8/21) 10:29 PM EDT (8/21)
Length of Visible Light 14h 11m
Length of Day
13h 17m
Waxing Crescent, 19% of the Moon is Illuminated
Aug 21
Waxing Crescent
Aug 24
First Quarter
Aug 31
Full
Sep 8
Last Quarter
Sep 15
New

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 - 59.0 °F 81% 29.98 in 10.0 mi Calm Calm - N/A   Clear
1:53 AM 64.0 °F - 57.9 °F 80% 29.98 in 10.0 mi Calm Calm - N/A   Clear
2:53 AM 64.0 °F - 57.0 °F 78% 29.98 in 10.0 mi Calm Calm - N/A   Clear
3:53 AM 61.0 °F - 57.9 °F 90% 29.99 in 10.0 mi Calm Calm - N/A   Partly Cloudy
4:53 AM 60.1 °F - 57.0 °F 90% 29.99 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
5:53 AM 57.9 °F - 55.9 °F 93% 29.99 in 10.0 mi ENE 4.6 mph - N/A   Scattered Clouds
6:53 AM 60.1 °F - 55.9 °F 86% 30.00 in 10.0 mi Calm Calm - N/A   Partly Cloudy
7:53 AM 60.1 °F - 57.9 °F 93% 30.04 in 7.0 mi Calm Calm - N/A   Clear
8:53 AM 64.0 °F - 59.0 °F 84% 30.05 in 10.0 mi Calm Calm - N/A   Clear
9:53 AM 68.0 °F - 59.0 °F 73% 30.06 in 10.0 mi NE 3.5 mph - N/A   Partly Cloudy
10:53 AM 73.0 °F - 59.0 °F 61% 30.06 in 10.0 mi Variable 3.5 mph - N/A   Partly Cloudy
11:53 AM 77.0 °F - 60.1 °F 56% 30.05 in 10.0 mi ENE 4.6 mph - N/A   Partly Cloudy
12:53 PM 80.1 °F 80.4 °F 57.0 °F 45% 30.04 in 10.0 mi NE 4.6 mph - N/A   Partly Cloudy
1:53 PM 81.0 °F - 48.0 °F 31% 30.04 in 10.0 mi North 5.8 mph - N/A   Partly Cloudy
2:53 PM 82.0 °F - 51.1 °F 34% 30.02 in 10.0 mi Variable 4.6 mph - N/A   Partly Cloudy
3:53 PM 82.9 °F - 50.0 °F 32% 30.00 in 10.0 mi NNW 8.1 mph - N/A   Scattered Clouds
4:53 PM 84.0 °F - 51.1 °F 32% 30.00 in 10.0 mi NW 3.5 mph - N/A   Scattered Clouds
5:53 PM 82.9 °F - 52.0 °F 34% 30.01 in 10.0 mi Calm Calm - N/A   Partly Cloudy
6:53 PM 82.0 °F - 51.1 °F 34% 30.01 in 10.0 mi Calm Calm - N/A   Partly Cloudy
7:53 PM 78.1 °F - 54.0 °F 43% 30.02 in 10.0 mi West 4.6 mph - N/A   Partly Cloudy
8:53 PM 77.0 °F - 54.0 °F 45% 30.03 in 10.0 mi NW 3.5 mph - N/A   Clear
9:53 PM 71.1 °F - 59.0 °F 66% 30.05 in 10.0 mi NE 3.5 mph - N/A   Clear
10:53 PM 68.0 °F - 57.9 °F 70% 30.05 in 10.0 mi Calm Calm - N/A   Clear
11:53 PM 66.9 °F - 61.0 °F 81% 30.05 in 10.0 mi Calm Calm - N/A   Clear