Knoxville, TN

7:30 AM EDT on September 20, 2017 (GMT -0400)
McGhee Tyson

Weather History for KTYS - September, 2012

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Thursday, September 6, 2012

  Actual Average Record
Temperature  
Mean Temperature 79 °F 75 °F  
Max Temperature 87 °F 85 °F 101 °F (1925)
Min Temperature 71 °F 64 °F 47 °F (1984)
Degree Days  
Heating Degree Days 0 0  
Month to date heating degree days 0 0  
Since 1 July heating degree days 0 0  
Cooling Degree Days 14 10  
Month to date cooling degree days 86 62  
Year to date cooling degree days 1605 1343  
Growing Degree Days 29 (Base 50)    
Moisture  
Dew Point 69 °F    
Average Humidity 72    
Maximum Humidity 93    
Minimum Humidity 51    
Precipitation  
Precipitation T in 0.10 in 1.33 in (1981)
Month to date precipitation 0.86 0.58  
Year to date precipitation 36.84 34.18  
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 29.93 in    
Wind  
Wind Speed 2 mph (WSW)    
Max Wind Speed 9 mph    
Max Gust Speed 13 mph    
Visibility 10 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

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Date:

Astronomy

Sep. 06, 2012 Rise Set
Actual Time 7:12 AM EDT 7:55 PM EDT
Civil Twilight 6:46 AM EDT 8:21 PM EDT
Nautical Twilight 6:15 AM EDT 8:51 PM EDT
Astronomical Twilight 5:44 AM EDT 9:23 PM EDT
Moon 11:19 PM EDT (9/6) 12:57 PM EDT (9/6)
Length of Visible Light 13h 35m
Length of Day
12h 43m
Waning Gibbous, 67% of the Moon is Illuminated
Sep 6
Waning Gibbous
Sep 8
Last Quarter
Sep 15
New
Sep 22
First Quarter
Sep 29
Full

Hourly Weather History & Observations

Time (EDT) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:15 AM 71.6 °F - 68.0 °F 88% 29.90 in 5.0 mi SSW 11.5 mph - 0.04 in Rain Rain
12:53 AM 71.1 °F - 69.1 °F 93% 29.88 in 5.0 mi WSW 10.4 mph - 0.08 in Rain Light Rain
1:53 AM 71.1 °F - 69.1 °F 93% 29.87 in 10.0 mi NW 3.5 mph - 0.00 in   Scattered Clouds
2:53 AM 71.1 °F - 69.1 °F 93% 29.87 in 10.0 mi Calm Calm - 0.00 in Rain Light Rain
3:34 AM 71.6 °F - 69.8 °F 94% 29.91 in 10.0 mi Calm Calm - 0.00 in Rain Light Rain
3:53 AM 71.1 °F - 69.1 °F 93% 29.87 in 10.0 mi Calm Calm - 0.00 in Rain Light Rain
4:53 AM 72.0 °F - 69.1 °F 91% 29.88 in 10.0 mi Calm Calm - 0.00 in   Scattered Clouds
5:53 AM 72.0 °F - 69.1 °F 91% 29.90 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
6:33 AM 71.6 °F - 69.8 °F 94% 29.94 in 10.0 mi SSW 3.5 mph - N/A   Mostly Cloudy
6:53 AM 71.1 °F - 69.1 °F 93% 29.91 in 10.0 mi SW 3.5 mph - N/A   Mostly Cloudy
7:00 AM 71.6 °F - 69.8 °F 94% 29.95 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
7:53 AM 72.0 °F - 70.0 °F 93% 29.94 in 9.0 mi Calm Calm - N/A   Mostly Cloudy
8:53 AM 73.0 °F - 69.1 °F 87% 29.95 in 10.0 mi WSW 4.6 mph - N/A   Mostly Cloudy
9:53 AM 73.0 °F - 69.1 °F 87% 29.97 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
9:56 AM 73.4 °F - 69.8 °F 88% 30.00 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
10:28 AM 73.4 °F - 69.8 °F 88% 30.01 in 10.0 mi Calm Calm - N/A   Scattered Clouds
10:53 AM 75.9 °F - 69.1 °F 79% 29.98 in 10.0 mi Calm Calm - N/A   Scattered Clouds
11:53 AM 78.1 °F - 68.0 °F 71% 29.98 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
12:04 PM 78.8 °F - 68.0 °F 69% 30.01 in 10.0 mi West 3.5 mph - N/A   Scattered Clouds
12:27 PM 78.8 °F - 68.0 °F 69% 30.01 in 10.0 mi West 5.8 mph - N/A   Mostly Cloudy
12:53 PM 81.0 °F 84.1 °F 69.1 °F 67% 29.97 in 10.0 mi Variable 3.5 mph - N/A   Scattered Clouds
1:53 PM 82.9 °F 85.8 °F 68.0 °F 60% 29.96 in 10.0 mi Variable 3.5 mph - N/A   Scattered Clouds
2:53 PM 84.9 °F 87.6 °F 66.9 °F 55% 29.94 in 10.0 mi Variable 3.5 mph - N/A   Partly Cloudy
3:53 PM 86.0 °F 89.4 °F 68.0 °F 55% 29.92 in 10.0 mi West 6.9 mph - N/A   Scattered Clouds
4:53 PM 86.0 °F 88.8 °F 66.9 °F 53% 29.91 in 10.0 mi Variable 3.5 mph - N/A   Partly Cloudy
5:53 PM 86.0 °F 88.8 °F 66.9 °F 53% 29.90 in 10.0 mi SW 4.6 mph - N/A   Partly Cloudy
6:53 PM 86.0 °F 88.2 °F 66.0 °F 51% 29.89 in 10.0 mi Calm Calm - N/A   Partly Cloudy
7:53 PM 84.0 °F 86.5 °F 66.9 °F 56% 29.91 in 10.0 mi Calm Calm - N/A   Partly Cloudy
8:53 PM 78.1 °F - 69.1 °F 74% 29.92 in 10.0 mi East 3.5 mph - N/A   Partly Cloudy
9:53 PM 75.9 °F - 70.0 °F 82% 29.94 in 10.0 mi NE 4.6 mph - N/A   Partly Cloudy
10:53 PM 73.9 °F - 69.1 °F 85% 29.95 in 10.0 mi ENE 3.5 mph - N/A   Partly Cloudy
11:53 PM 73.0 °F - 69.1 °F 87% 29.94 in 10.0 mi East 3.5 mph - N/A   Clear