Knoxville, TN

11:30 AM EST on December 11, 2017 (GMT -0500)
McGhee Tyson

Weather History for KTYS - December, 2015

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Month of December, 2015

  Max Avg Min Sum
Temperature  
Max Temperature 77 °F 62 °F 44 °F
Mean Temperature 67 °F 53 °F 36 °F
Min Temperature 59 °F 44 °F 25 °F
Degree Days  
Heating Degree Days (base 65) 29 12 0 382
Cooling Degree Days (base 65) 2 0 0 5
Growing Degree Days (base 50) 16 5 0 169
Dew Point  
Dew Point 64 °F 45 °F 20 °F
Precipitation  
Precipitation 2.19 in 0.28 in 0.00 in 7.84 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 35 mph 6 mph 0 mph
Gust Wind 46 mph 27 mph 17 mph
Sea Level Pressure  
Sea Level Pressure 30.66 in 30.10 in 29.60 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 23, 2015 Rise Set
Actual Time 7:43 AM EST 5:26 PM EST
Civil Twilight 7:14 AM EST 5:55 PM EST
Nautical Twilight 6:42 AM EST 6:27 PM EST
Astronomical Twilight 6:11 AM EST 6:58 PM EST
Moon 4:17 PM EST (12/23) 5:32 AM EST (12/23)
Length of Visible Light 10h 40m
Length of Day
9h 43m
Waxing Gibbous, 96% of the Moon is Illuminated
Dec 23
Waxing Gibbous
Dec 25
Full
Jan 2
Last Quarter
Jan 9
New
Jan 16
First Quarter

Daily Weather History & Observations

2015 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  
1 62 60 57 58 58 56 100 95 90 30.01 29.95 29.85 10 6 1 20 6 27 1.58 Fog , Rain
2 59 52 44 58 49 34 100 82 63 30.07 29.88 29.80 10 8 2 17 9 21 0.81 Rain
3 47 40 33 33 29 26 82 64 45 30.42 30.27 30.09 10 10 10 14 7 18 0.00  
4 53 42 30 31 29 26 85 65 44 30.57 30.52 30.43 10 10 10 13 7 16 0.00  
5 56 42 28 33 30 26 92 65 38 30.66 30.58 30.55 10 10 9 9 3 11 0.00  
6 57 43 28 38 33 26 92 68 43 30.55 30.44 30.30 10 10 8 7 2 7 0.00  
7 58 48 38 44 39 36 89 68 47 30.29 30.21 30.16 10 10 10 13 5 18 0.00  
8 59 46 32 41 36 31 96 72 47 30.20 30.12 30.05 10 9 5 9 1 12 0.00  
9 60 46 31 50 41 30 93 75 57 30.06 30.00 29.91 10 9 5 21 5 24 T Fog , Rain
10 65 56 47 53 49 46 100 80 60 30.01 29.97 29.88 10 4 0 15 5 25 0.00 Fog
11 71 63 55 58 55 50 87 74 61 30.06 29.98 29.92 10 10 10 22 11 27 0.00  
12 70 63 55 58 56 54 93 80 66 30.20 30.16 30.07 10 10 8 15 6 17 0.00  
13 68 59 49 56 52 48 100 78 56 30.18 30.10 29.84 10 4 0 10 3 14 0.00 Fog
14 72 64 55 57 51 43 93 70 47 29.81 29.70 29.60 10 8 1 35 17 46 0.20 Rain
15 65 56 46 46 44 42 86 69 52 29.96 29.91 29.81 10 10 10 15 5 19 0.00  
16 66 51 36 48 41 35 100 76 52 29.99 29.93 29.80 10 7 1 8 1 9 0.01 Fog , Rain
17 54 50 45 54 50 36 100 86 71 29.92 29.81 29.76 10 4 1 10 4 - 1.02 Rain
18 44 36 28 34 28 22 82 73 64 30.36 30.11 29.92 10 10 10 21 8 25 T  
19 46 36 25 26 23 20 88 65 42 30.54 30.47 30.35 10 10 10 15 6 18 0.00  
20 48 37 26 32 27 23 92 67 42 30.54 30.45 30.36 10 10 10 7 1 11 0.00  
21 56 47 37 49 40 32 93 85 76 30.35 30.20 30.03 10 10 7 13 4 15 0.04 Rain
22 60 54 48 56 51 47 100 92 84 30.01 29.95 29.90 10 5 1 13 3 15 0.12 Rain
23 67 60 53 60 55 52 100 87 73 29.91 29.83 29.71 10 4 1 15 5 20 0.13 Rain
24 73 66 59 63 62 59 97 81 64 30.15 29.92 29.73 10 8 1 29 7 37 0.93 Rain , Thunderstorm
25 69 63 57 64 60 57 100 89 78 30.22 30.14 30.09 10 4 0 28 6 34 2.19 Fog , Rain , Thunderstorm
26 74 67 59 62 59 56 97 81 64 30.26 30.17 30.08 10 10 10 31 5 42 0.02 Rain
27 77 66 55 62 59 54 100 80 60 30.10 30.04 29.96 10 9 1 30 6 36 T Fog , Rain
28 76 66 55 64 59 54 100 73 46 30.01 29.87 29.69 10 6 0 30 8 41 0.72 Fog , Rain
29 68 60 52 59 51 47 81 72 63 30.12 30.00 29.77 10 10 10 24 12 31 0.00  
30 56 53 49 54 51 47 93 85 77 30.18 30.15 30.11 10 9 2 12 4 15 0.07 Rain
31 52 46 39 48 42 32 100 85 70 30.28 30.22 30.16 10 7 2 13 6 15 0.00