Weather History for Tri-Cities, TN

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Month of December, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 74 °F 51 °F 35 °F
Mean Temperature 63 °F 41 °F 28 °F
Min Temperature 52 °F 30 °F 16 °F
Degree Days  
Heating Degree Days (base 65) 37 24 2 740
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 12 1 0 37
Dew Point  
Dew Point 59 °F 31 °F 10 °F
Precipitation  
Precipitation 1.56 in 0.23 in 0.00 in 6.34 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 28 mph 4 mph 0 mph
Gust Wind 40 mph 23 mph 17 mph
Sea Level Pressure  
Sea Level Pressure 30.48 in 30.14 in 29.75 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 25, 2013 Rise Set
Actual Time 7:39 AM EST 5:20 PM EST
Civil Twilight 7:10 AM EST 5:49 PM EST
Nautical Twilight 6:38 AM EST 6:21 PM EST
Astronomical Twilight 6:07 AM EST 6:52 PM EST
Moon 12:15 AM EST (12/25) 12:15 PM EST (12/25)
Length of Visible Light 10h 38m
Length of Day
9h 40m
Waning Gibbous, 49% of the Moon is Illuminated
Dec 25
Waning Gibbous
Jan 1
New
Jan 7
First Quarter
Jan 15
Full
Jan 24
Last Quarter

Weather History Calendar

Precipitation Actual month total 6.34 Normal Month Total: 3.37
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Scattered Clouds
Actual:
54 | 22 0.00
Average:
52 | 31 0.11
Overcast
Actual:
51 | 38 T
Average:
52 | 30 0.12
Mostly Cloudy
Actual:
62 | 42 0.01
Average:
52 | 30 0.11
Partly Cloudy
Actual:
71 | 42 0.00
Average:
51 | 30 0.12
Rain
Actual:
72 | 48 0.05
Average:
51 | 30 0.11
Thunderstorm
Actual:
61 | 41 1.17
Average:
50 | 29 0.12
Rain
Actual:
42 | 35 T
Average:
50 | 29 0.11
Rain
Actual:
50 | 36 0.42
Average:
50 | 29 0.11
Rain
Actual:
50 | 40 0.45
Average:
49 | 29 0.12
Rain
Actual:
44 | 23 0.33
Average:
49 | 29 0.12
Fog
Actual:
46 | 20 0.00
Average:
49 | 28 0.11
Scattered Clouds
Actual:
37 | 22 0.00
Average:
49 | 28 0.12
Partly Cloudy
Actual:
46 | 18 0.00
Average:
48 | 28 0.11
Rain
Actual:
47 | 36 0.69
Average:
48 | 28 0.11
Snow
Actual:
47 | 32 0.04
Average:
48 | 28 0.11
Partly Cloudy
Actual:
49 | 29 0.00
Average:
48 | 27 0.10
Rain
Actual:
54 | 26 0.02
Average:
47 | 27 0.11
Clear
Actual:
44 | 24 0.00
Average:
47 | 27 0.10
Partly Cloudy
Actual:
55 | 21 0.00
Average:
47 | 27 0.10
Mostly Cloudy
Actual:
63 | 29 0.00
Average:
47 | 27 0.10
Mostly Cloudy
Actual:
74 | 41 0.00
Average:
47 | 27 0.11
Rain
Actual:
73 | 52 1.56
Average:
46 | 26 0.10
Rain
Actual:
54 | 34 0.37
Average:
46 | 26 0.11
Partly Cloudy
Actual:
35 | 20 0.00
Average:
46 | 26 0.11
Clear
Actual:
43 | 16 0.00
Average:
46 | 26 0.10
Scattered Clouds
Actual:
46 | 21 0.00
Average:
46 | 26 0.10
Scattered Clouds
Actual:
49 | 19 0.00
Average:
46 | 26 0.11
Rain
Actual:
44 | 20 0.48
Average:
46 | 26 0.10
Rain
Actual:
46 | 39 0.75
Average:
46 | 26 0.11
Rain
Actual:
42 | 35 T
Average:
45 | 26 0.10
Partly Cloudy
Actual:
40 | 24 0.00
Average:
45 | 25 0.10
 

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

2013 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 54 38 22 32 26 19 88 63 38 30.30 30.17 30.00 10 10 7 8 1 11 0.00  
2 51 45 38 38 35 31 82 69 56 29.98 29.88 29.81 10 10 10 6 1 7 T  
3 62 52 42 44 41 37 89 70 51 29.90 29.85 29.81 10 9 7 5 1 7 0.01  
4 71 57 42 47 44 39 89 65 41 29.99 29.92 29.86 10 9 6 13 2 17 0.00  
5 72 60 48 59 52 45 97 75 53 30.03 29.96 29.92 10 9 1 9 2 12 0.05 Rain
6 61 51 41 57 50 38 93 88 82 30.13 29.97 29.86 10 4 0 24 4 31 1.17 Fog , Rain , Thunderstorm
7 42 39 35 37 32 28 92 81 70 30.41 30.31 30.12 10 8 2 12 7 16 T Rain
8 50 43 36 40 36 30 92 82 71 30.32 30.18 30.05 10 8 2 12 5 15 0.42 Rain
9 50 45 40 45 42 39 96 91 86 30.14 30.09 29.99 10 4 0 10 2 12 0.45 Fog , Rain
10 44 34 23 41 33 19 96 74 52 30.35 30.10 29.94 10 6 0 20 6 25 0.33 Fog , Rain
11 46 33 20 25 19 16 92 65 37 30.45 30.39 30.31 10 6 0 15 2 19 0.00 Fog
12 37 30 22 20 15 10 74 55 35 30.47 30.41 30.36 10 10 10 15 5 18 0.00  
13 46 32 18 25 18 13 84 56 28 30.40 30.31 30.20 10 10 8 6 0 12 0.00  
14 47 42 36 41 35 21 92 72 52 30.14 29.92 29.75 10 8 2 9 3 17 0.69 Rain
15 47 40 32 43 30 24 89 79 69 30.14 29.98 29.75 10 9 2 17 10 23 0.04 Rain , Snow
16 49 39 29 29 26 24 85 66 46 30.22 30.15 30.07 10 10 7 15 6 19 0.00  
17 54 40 26 34 27 17 92 67 41 30.15 30.07 29.93 10 9 2 25 9 34 0.02 Rain
18 44 34 24 20 18 16 74 53 31 30.30 30.26 30.15 10 10 10 15 5 19 0.00  
19 55 38 21 27 21 16 84 55 26 30.32 30.24 30.14 10 10 10 6 0 9 0.00  
20 63 46 29 36 29 24 85 56 27 30.19 30.12 30.05 10 10 10 7 1 9 0.00  
21 74 58 41 56 47 35 79 64 49 30.04 29.93 29.80 10 10 10 18 6 24 0.00  
22 73 63 52 56 52 50 96 75 53 30.07 29.97 29.79 10 5 1 28 6 40 1.56 Rain
23 54 44 34 52 41 25 93 82 70 30.29 30.15 29.99 10 6 1 18 6 24 0.37 Rain
24 35 28 20 24 18 10 73 58 43 30.46 30.36 30.27 10 10 10 18 8 25 0.00  
25 43 30 16 18 14 10 80 55 30 30.46 30.38 30.29 10 10 10 10 2 12 0.00  
26 46 34 21 25 20 17 88 63 37 30.37 30.34 30.29 10 10 9 13 3 20 0.00  
27 49 34 19 23 19 16 91 61 31 30.48 30.41 30.35 10 10 10 7 1 10 0.00  
28 44 32 20 37 26 16 92 73 53 30.41 30.28 30.06 10 8 2 8 1 9 0.48 Rain
29 46 43 39 43 41 36 96 90 83 30.01 29.89 29.78 10 6 1 18 8 24 0.75 Rain
30 42 39 35 38 34 29 86 78 70 30.19 30.08 29.99 10 10 8 15 6 17 T Rain
31 40 32 24 29 24 20 92 68 44 30.38 30.29 30.18 10 10 7 16 5 19 0.00