Weather History for Knoxville, TN

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Month of December, 2011

  Max Avg Min Sum
Temperature  
Max Temperature 72 °F 55 °F 43 °F
Mean Temperature 59 °F 45 °F 37 °F
Min Temperature 51 °F 35 °F 25 °F
Degree Days  
Heating Degree Days (base 65) 28 20 6 611
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 8 1 0 35
Dew Point  
Dew Point 62 °F 37 °F 19 °F
Precipitation  
Precipitation 1.00 in 0.18 in 0.00 in 4.91 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 31 mph 5 mph 0 mph
Gust Wind 40 mph 26 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.56 in 30.21 in 29.65 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 23, 2011 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 6:31 AM EST (12/23) 4:34 PM EST (12/23)
Length of Visible Light 10h 40m
Length of Day
9h 43m
Waning Crescent, 1% of the Moon is Illuminated
Dec 23
Waning Crescent
Dec 24
New
Jan 1
First Quarter
Jan 9
Full
Jan 16
Last Quarter

Weather History Calendar

Precipitation Actual month total 4.91 Normal Month Total: 4.50
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Rain
Actual:
53 | 27 0.00
Average:
54 | 35 0.15
Fog
Actual:
58 | 27 0.00
Average:
54 | 34 0.16
Clear
Actual:
58 | 30 0.00
Average:
53 | 34 0.15
Partly Cloudy
Actual:
66 | 31 0.00
Average:
53 | 34 0.16
Rain
Actual:
72 | 46 0.11
Average:
53 | 34 0.16
Thunderstorm
Actual:
60 | 51 1.00
Average:
52 | 33 0.15
Snow
Actual:
51 | 34 0.93
Average:
52 | 33 0.15
Scattered Clouds
Actual:
46 | 27 0.00
Average:
52 | 33 0.15
Scattered Clouds
Actual:
50 | 26 0.00
Average:
51 | 33 0.16
Scattered Clouds
Actual:
43 | 30 0.00
Average:
51 | 33 0.16
Clear
Actual:
49 | 25 0.00
Average:
51 | 32 0.15
Mostly Cloudy
Actual:
55 | 31 0.00
Average:
50 | 32 0.16
Mostly Cloudy
Actual:
55 | 44 0.00
Average:
50 | 32 0.14
Fog
Actual:
66 | 41 0.00
Average:
50 | 32 0.15
Rain
Actual:
68 | 45 0.24
Average:
50 | 32 0.15
Rain
Actual:
57 | 41 0.62
Average:
49 | 32 0.14
Partly Cloudy
Actual:
45 | 31 0.00
Average:
49 | 31 0.14
Clear
Actual:
49 | 26 0.00
Average:
49 | 31 0.14
Clear
Actual:
55 | 28 0.00
Average:
49 | 31 0.14
Mostly Cloudy
Actual:
57 | 38 0.00
Average:
49 | 31 0.14
Thunderstorm
Actual:
65 | 49 0.25
Average:
48 | 31 0.14
Rain
Actual:
62 | 47 0.87
Average:
48 | 31 0.14
Rain
Actual:
50 | 42 0.01
Average:
48 | 31 0.14
Partly Cloudy
Actual:
47 | 36 0.00
Average:
48 | 30 0.14
Partly Cloudy
Actual:
50 | 33 T
Average:
48 | 30 0.14
Rain
Actual:
46 | 27 T
Average:
48 | 30 0.13
Rain
Actual:
48 | 38 0.88
Average:
48 | 30 0.14
Rain
Actual:
46 | 32 T
Average:
47 | 30 0.13
Clear
Actual:
53 | 28 0.00
Average:
47 | 30 0.14
Partly Cloudy
Actual:
62 | 40 0.00
Average:
47 | 30 0.13
Clear
Actual:
58 | 39 0.00
Average:
47 | 30 0.13
 

Calendar Legend

Sunny
Clear
Mostly Cloudy
Partly Sunny
Partly Cloudy
Mostly Sunny
Cloudy Rain Snow
Hail
Flurries
Thunderstorms Hazy
Fog
Sleet '?' denotes
'chance of'
Unknown

Daily Weather History & Observations

2011 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 53 40 27 32 29 25 92 65 38 30.39 30.33 30.22 10 10 6 9 2 13 0.00 Rain
2 58 43 27 35 30 24 100 65 30 30.50 30.44 30.38 10 8 0 6 1 8 0.00 Fog
3 58 44 30 36 33 28 92 66 40 30.50 30.44 30.39 10 10 7 7 1 10 0.00  
4 66 49 31 47 40 30 96 70 44 30.40 30.31 30.19 10 9 7 16 4 20 0.00  
5 72 59 46 57 48 43 87 66 44 30.18 30.08 29.97 10 10 6 28 8 38 0.11 Rain
6 60 56 51 59 56 50 100 95 90 30.00 29.98 29.95 10 5 1 12 4 14 1.00 Rain , Thunderstorm
7 51 43 34 50 39 26 100 85 70 30.23 29.92 29.79 10 5 1 16 7 24 0.93 Rain , Snow
8 46 37 27 30 27 22 92 66 40 30.36 30.29 30.24 10 10 7 13 2 16 0.00  
9 50 38 26 34 30 25 92 71 50 30.33 30.28 30.23 10 10 7 8 2 10 0.00  
10 43 37 30 31 27 20 85 71 56 30.51 30.44 30.32 10 10 9 13 6 16 0.00  
11 49 37 25 28 24 19 81 60 39 30.56 30.49 30.43 10 10 9 12 4 13 0.00  
12 55 43 31 37 32 27 89 65 41 30.48 30.44 30.39 10 10 10 10 3 13 0.00  
13 55 50 44 47 42 37 93 80 66 30.49 30.44 30.39 10 9 4 8 1 9 0.00  
14 66 54 41 49 45 41 100 76 52 30.38 30.32 30.15 10 5 0 14 2 17 0.00 Fog
15 68 57 45 57 52 43 100 79 58 30.18 30.13 30.07 10 9 2 28 10 33 0.24 Rain
16 57 49 41 56 47 39 100 95 89 30.28 30.20 30.13 10 5 1 15 6 18 0.62 Rain
17 45 38 31 37 31 27 93 73 53 30.36 30.30 30.26 10 10 10 14 4 16 0.00  
18 49 38 26 31 28 24 92 67 42 30.40 30.35 30.31 10 10 9 9 3 13 0.00  
19 55 42 28 34 30 27 92 67 41 30.32 30.25 30.18 10 10 10 9 1 12 0.00  
20 57 48 38 44 39 34 86 70 54 30.19 30.11 30.03 10 10 10 10 2 12 0.00  
21 65 57 49 62 54 45 93 85 77 30.01 29.91 29.85 10 8 2 24 8 29 0.25 Rain , Thunderstorm
22 62 55 47 54 49 46 100 84 67 30.08 29.95 29.82 10 6 1 22 5 32 0.87 Rain
23 50 46 42 47 42 37 93 80 66 30.34 30.22 30.08 10 10 4 9 3 10 0.01 Rain
24 47 42 36 37 34 30 86 72 58 30.47 30.40 30.35 10 10 9 14 3 17 0.00  
25 50 42 33 41 36 32 100 86 71 30.40 30.34 30.26 10 7 5 16 5 18 T  
26 46 37 27 38 31 27 100 77 53 30.40 30.29 29.99 10 5 0 15 5 17 T Fog , Rain
27 48 43 38 45 38 33 100 88 76 29.99 29.76 29.65 10 6 1 31 12 40 0.88 Rain
28 46 39 32 32 29 27 82 68 53 30.14 30.07 29.98 10 10 9 17 7 23 T Rain
29 53 41 28 34 29 25 92 67 41 30.10 30.02 29.95 10 10 10 20 6 23 0.00  
30 62 51 40 47 40 30 77 66 55 30.02 29.93 29.81 10 10 10 26 11 35 0.00  
31 58 49 39 43 37 34 89 66 43 30.13 30.06 29.91 10 10 10 16 6 20 0.00