Weather History for Tri-Cities, TN

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Month of December, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 71 °F 53 °F 33 °F
Mean Temperature 59 °F 43 °F 29 °F
Min Temperature 46 °F 33 °F 18 °F
Degree Days  
Heating Degree Days (base 65) 36 22 6 687
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 8 1 0 24
Dew Point  
Dew Point 55 °F 36 °F 16 °F
Precipitation  
Precipitation 0.96 in 0.17 in 0.00 in 4.00 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 33 mph 4 mph 0 mph
Gust Wind 44 mph 25 mph 18 mph
Sea Level Pressure  
Sea Level Pressure 30.45 in 30.04 in 29.41 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 12, 2012 Rise Set
Actual Time 7:32 AM EST 5:14 PM EST
Civil Twilight 7:03 AM EST 5:43 PM EST
Nautical Twilight 6:31 AM EST 6:15 PM EST
Astronomical Twilight 6:00 AM EST 6:47 PM EST
Moon 6:36 AM EST (12/12) 4:50 PM EST (12/12)
Length of Visible Light 10h 39m
Length of Day
9h 42m
Waning Crescent, 1% of the Moon is Illuminated
Dec 12
Waning Crescent
Dec 13
New
Dec 20
First Quarter
Dec 28
Full
Jan 4
Last Quarter

Weather History Calendar

Precipitation Actual month total 4.00 Normal Month Total: 3.37
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Partly Cloudy
Actual:
64 | 30 0.00
Average:
52 | 31 0.11
Partly Cloudy
Actual:
67 | 33 0.00
Average:
52 | 30 0.12
Rain
Actual:
69 | 44 T
Average:
52 | 30 0.11
Partly Cloudy
Actual:
69 | 37 T
Average:
51 | 30 0.12
Rain
Actual:
59 | 31 0.21
Average:
51 | 30 0.11
Rain
Actual:
51 | 29 0.02
Average:
50 | 29 0.12
Partly Cloudy
Actual:
64 | 37 0.00
Average:
50 | 29 0.11
Rain
Actual:
67 | 45 T
Average:
50 | 29 0.11
Fog
Actual:
71 | 46 T
Average:
49 | 29 0.12
Rain
Actual:
61 | 41 0.96
Average:
49 | 29 0.12
Overcast
Actual:
41 | 33 0.00
Average:
49 | 28 0.11
Partly Cloudy
Actual:
42 | 28 0.00
Average:
49 | 28 0.12
Fog
Actual:
53 | 25 0.00
Average:
48 | 28 0.11
Fog
Actual:
55 | 23 0.00
Average:
48 | 28 0.11
Partly Cloudy
Actual:
58 | 33 T
Average:
48 | 28 0.11
Rain
Actual:
56 | 44 0.47
Average:
48 | 27 0.10
Rain
Actual:
55 | 43 0.13
Average:
47 | 27 0.11
Rain
Actual:
49 | 30 0.02
Average:
47 | 27 0.10
Fog
Actual:
58 | 26 0.00
Average:
47 | 27 0.10
Snow
Actual:
54 | 31 0.51
Average:
47 | 27 0.10
Snow
Actual:
36 | 30 0.02
Average:
47 | 27 0.11
Partly Cloudy
Actual:
40 | 23 0.00
Average:
46 | 26 0.10
Rain
Actual:
52 | 18 0.19
Average:
46 | 26 0.11
Rain
Actual:
48 | 41 0.55
Average:
46 | 26 0.11
Rain
Actual:
51 | 43 0.13
Average:
46 | 26 0.10
Snow
Actual:
52 | 33 0.56
Average:
46 | 26 0.10
Overcast
Actual:
33 | 31 T
Average:
46 | 26 0.11
Rain
Actual:
41 | 29 0.01
Average:
46 | 26 0.10
Snow
Actual:
44 | 31 0.22
Average:
46 | 26 0.11
Snow
Actual:
36 | 22 T
Average:
45 | 26 0.10
Mostly Cloudy
Actual:
38 | 21 T
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

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  
1 64 47 30 43 36 30 100 72 44 30.39 30.31 30.26 10 9 8 5 0 7 0.00  
2 67 50 33 46 41 33 100 71 42 30.33 30.26 30.19 10 9 4 21 3 26 0.00  
3 69 57 44 49 47 43 93 69 44 30.29 30.23 30.18 10 10 10 12 1 15 T Rain
4 69 53 37 50 44 37 100 74 48 30.28 30.21 30.13 10 7 1 9 1 12 T  
5 59 45 31 54 41 28 93 63 33 30.28 30.19 30.11 10 8 2 13 3 15 0.21 Rain
6 51 40 29 43 36 27 92 72 52 30.21 30.16 30.09 10 10 7 6 2 7 0.02 Rain
7 64 51 37 48 42 36 96 76 56 30.09 30.03 29.94 10 8 2 5 1 10 0.00  
8 67 56 45 52 48 43 100 78 56 30.04 29.97 29.92 10 10 6 17 2 21 T Rain
9 71 59 46 53 49 44 100 75 49 30.08 29.97 29.87 10 9 6 10 1 14 T Fog
10 61 51 41 55 51 39 93 85 77 29.87 29.74 29.63 10 6 2 22 4 28 0.96 Rain
11 41 37 33 39 34 29 93 79 64 30.17 29.99 29.84 10 10 3 12 4 14 0.00  
12 42 35 28 30 28 27 92 74 55 30.30 30.26 30.19 10 10 10 8 2 10 0.00  
13 53 39 25 30 27 23 92 65 38 30.38 30.32 30.28 10 8 0 7 1 9 0.00 Fog
14 55 39 23 36 27 22 92 61 29 30.40 30.31 30.21 10 9 0 8 0 10 0.00 Fog
15 58 46 33 39 33 30 89 63 36 30.21 30.09 29.98 10 10 10 6 1 7 T  
16 56 50 44 52 47 41 96 90 83 30.00 29.92 29.82 10 7 2 14 3 18 0.47 Rain
17 55 49 43 50 46 43 100 95 89 29.83 29.74 29.59 10 4 0 24 2 31 0.13 Fog , Rain
18 49 40 30 46 37 28 100 77 54 29.93 29.80 29.65 10 9 2 20 7 25 0.02 Rain
19 58 42 26 39 33 25 92 70 47 30.09 30.04 29.93 10 9 0 9 1 12 0.00 Fog
20 54 43 31 46 38 27 100 80 59 30.03 29.75 29.53 10 8 3 33 7 44 0.51 Rain , Snow
21 36 33 30 28 25 19 82 69 56 30.03 29.78 29.66 10 6 1 28 19 39 0.02 Snow
22 40 32 23 20 18 16 75 58 40 30.27 30.18 30.04 10 10 10 21 8 30 0.00  
23 52 35 18 40 28 16 93 64 34 30.17 30.09 30.01 10 7 1 17 2 21 0.19 Rain
24 48 45 41 46 43 39 100 96 92 30.02 29.89 29.81 7 2 1 8 1 9 0.55 Rain
25 51 47 43 43 42 40 100 84 68 30.08 29.99 29.88 10 6 0 10 2 15 0.13 Fog , Rain
26 52 43 33 43 37 28 92 78 63 29.85 29.60 29.41 10 8 2 23 13 32 0.56 Rain , Snow
27 33 32 31 28 27 25 92 85 78 30.13 30.05 29.86 10 10 10 20 8 25 T  
28 41 35 29 34 29 25 85 75 65 30.11 30.02 29.78 10 10 9 10 3 13 0.01 Rain
29 44 38 31 38 32 21 92 84 75 30.14 29.85 29.66 10 8 4 24 11 30 0.22 Rain , Snow
30 36 29 22 21 20 18 81 67 52 30.45 30.37 30.16 10 10 7 21 7 25 T Snow
31 38 30 21 30 25 20 92 76 59 30.37 30.27 30.13 10 10 7 6 0 6 T