Alcoa, TN

8:23 PM EDT on August 31, 2016 (GMT -0400)
McGhee Tyson

Weather History for KTYS - December, 2012

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Week of December 16, 2012 through December 22, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 63 °F 54 °F 42 °F
Mean Temperature 55 °F 46 °F 33 °F
Min Temperature 49 °F 38 °F 23 °F
Degree Days  
Heating Degree Days (base 65) 32 19 10 134
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 4 1 0 8
Dew Point  
Dew Point 55 °F 36 °F 12 °F
Precipitation  
Precipitation 1.27 in 0.47 in 0.00 in 2.80 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 36 mph 8 mph 0 mph
Gust Wind 46 mph 29 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.34 in 29.93 in 29.56 in

Weekly Weather History Graph

Weekly Weather History Graph

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Astronomy

Dec. 21, 2012 Rise Set
Actual Time 7:42 AM EST 5:26 PM EST
Civil Twilight 7:13 AM EST 5:54 PM EST
Nautical Twilight 6:41 AM EST 6:26 PM EST
Astronomical Twilight 6:10 AM EST 6:58 PM EST
Moon 1:05 PM EST (12/21) 1:36 AM EST (12/21)
Length of Visible Light 10h 40m
Length of Day
9h 43m
Waxing Gibbous, 64% of the Moon is Illuminated
Dec 21
Waxing Gibbous
Dec 28
Full
Jan 4
Last Quarter
Jan 11
New
Jan 18
First Quarter

Daily Weather History & Observations

2012 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Dec high avg low high avg low high avg low high avg low high avg low high avg high sum  
16 60 55 49 55 50 48 100 86 72 29.99 29.92 29.82 10 6 1 18 7 23 1.27 Rain
17 59 54 48 54 50 46 96 90 83 29.81 29.72 29.62 10 8 2 23 5 31 0.47 Rain , Thunderstorm
18 54 47 40 48 37 30 93 69 45 29.96 29.87 29.68 10 10 10 16 8 21 0.00  
19 63 49 35 42 37 30 89 68 46 30.09 30.03 29.96 10 10 10 10 3 14 0.00  
20 54 46 38 50 42 25 93 74 54 30.00 29.72 29.56 10 6 1 36 11 46 1.06 Rain
21 42 37 32 27 20 13 64 52 40 30.18 29.97 29.80 10 10 9 30 17 39 T Snow
22 43 33 23 18 16 12 63 48 33 30.34 30.25 30.19 10 10 10 15 5 20 0.00