Weather History for Roanoke, VA

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Month of December, 2011

  Max Avg Min Sum
Temperature  
Max Temperature 65 °F 54 °F 41 °F
Mean Temperature 56 °F 44 °F 31 °F
Min Temperature 52 °F 34 °F 21 °F
Degree Days  
Heating Degree Days (base 65) 34 21 9 648
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 6 1 0 16
Dew Point  
Dew Point 59 °F 31 °F 8 °F
Precipitation  
Precipitation 1.70 in 0.16 in 0.00 in 4.19 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 30 mph 5 mph 0 mph
Gust Wind 41 mph 24 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.71 in 30.22 in 29.52 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 28, 2011 Rise Set
Actual Time 7:33 AM EST 5:09 PM EST
Civil Twilight 7:03 AM EST 5:38 PM EST
Nautical Twilight 6:31 AM EST 6:11 PM EST
Astronomical Twilight 5:59 AM EST 6:43 PM EST
Moon 10:03 AM EST (12/28) 9:38 PM EST (12/28)
Length of Visible Light 10h 35m
Length of Day
9h 36m
Waxing Crescent, 18% of the Moon is Illuminated
Dec 28
Waxing Crescent
Jan 1
First Quarter
Jan 9
Full
Jan 16
Last Quarter
Jan 23
New

Weather History Calendar

Precipitation Actual month total 4.19 Normal Month Total: 2.94
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Clear
Actual:
56 | 30 0.00
Average:
52 | 33 0.10
Clear
Actual:
60 | 29 0.00
Average:
52 | 33 0.11
Rain
Actual:
50 | 30 T
Average:
51 | 33 0.10
Scattered Clouds
Actual:
58 | 28 0.00
Average:
51 | 33 0.11
Rain
Actual:
61 | 39 0.07
Average:
51 | 32 0.11
Rain
Actual:
59 | 52 0.52
Average:
50 | 32 0.10
Rain
Actual:
59 | 38 1.70
Average:
50 | 32 0.10
Clear
Actual:
48 | 29 0.00
Average:
50 | 32 0.11
Clear
Actual:
50 | 26 0.00
Average:
49 | 31 0.10
Clear
Actual:
46 | 28 0.00
Average:
49 | 31 0.11
Clear
Actual:
41 | 21 0.00
Average:
49 | 31 0.10
Scattered Clouds
Actual:
45 | 24 0.00
Average:
48 | 31 0.10
Partly Cloudy
Actual:
61 | 33 T
Average:
48 | 30 0.10
Partly Cloudy
Actual:
55 | 44 0.00
Average:
48 | 30 0.10
Rain
Actual:
65 | 37 T
Average:
48 | 30 0.09
Rain
Actual:
63 | 37 0.34
Average:
47 | 30 0.09
Scattered Clouds
Actual:
42 | 30 0.00
Average:
47 | 30 0.09
Partly Cloudy
Actual:
48 | 28 0.00
Average:
47 | 30 0.08
Scattered Clouds
Actual:
58 | 25 0.00
Average:
47 | 29 0.09
Partly Cloudy
Actual:
58 | 45 0.00
Average:
47 | 29 0.09
Rain
Actual:
61 | 44 0.06
Average:
47 | 29 0.09
Rain
Actual:
64 | 45 1.03
Average:
46 | 29 0.08
Rain
Actual:
61 | 43 0.09
Average:
46 | 29 0.09
Scattered Clouds
Actual:
46 | 30 0.00
Average:
46 | 29 0.10
Clear
Actual:
53 | 29 0.00
Average:
46 | 28 0.09
Clear
Actual:
51 | 35 0.00
Average:
46 | 28 0.08
Rain
Actual:
50 | 37 0.37
Average:
46 | 28 0.09
Partly Cloudy
Actual:
46 | 32 T
Average:
46 | 28 0.09
Scattered Clouds
Actual:
48 | 30 0.00
Average:
46 | 28 0.08
Scattered Clouds
Actual:
59 | 29 0.00
Average:
46 | 28 0.09
Rain
Actual:
57 | 37 0.01
Average:
46 | 28 0.08
 

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 56 43 30 28 25 22 72 49 26 30.39 30.32 30.20 10 10 10 14 2 16 0.00  
2 60 45 29 28 21 8 78 46 13 30.54 30.42 30.36 10 10 10 22 7 29 0.00  
3 50 40 30 30 27 24 78 62 46 30.68 30.61 30.54 10 10 10 10 3 21 T Rain
4 58 43 28 39 33 25 92 71 50 30.56 30.47 30.38 10 10 8 12 2 14 0.00  
5 61 50 39 52 45 36 93 77 61 30.38 30.26 30.16 10 8 2 13 2 16 0.07 Rain
6 59 56 52 58 56 52 100 97 93 30.15 30.05 29.95 6 2 0 6 1 7 0.52 Fog , Rain
7 59 49 38 58 48 26 100 80 59 29.97 29.76 29.58 10 5 2 29 9 38 1.70 Rain
8 48 39 29 27 21 15 75 55 34 30.35 30.26 30.05 10 10 10 24 7 32 0.00  
9 50 38 26 31 27 23 92 67 42 30.35 30.30 30.22 10 10 10 6 1 7 0.00  
10 46 37 28 30 21 15 82 58 33 30.55 30.41 30.28 10 10 10 17 6 22 0.00  
11 41 31 21 21 17 15 84 62 40 30.71 30.61 30.54 10 10 10 9 2 12 0.00  
12 45 35 24 27 22 20 81 61 41 30.62 30.55 30.46 10 10 10 5 0 6 0.00  
13 61 47 33 41 34 25 82 63 44 30.49 30.43 30.38 10 10 10 21 5 26 T  
14 55 50 44 37 34 30 71 59 47 30.42 30.37 30.29 10 10 10 10 3 13 0.00  
15 65 51 37 52 42 32 85 71 56 30.26 30.13 30.02 10 10 10 18 4 26 T Rain
16 63 50 37 47 38 32 92 71 50 30.22 30.16 30.04 10 9 5 25 8 35 0.34 Rain
17 42 36 30 37 25 20 92 69 45 30.28 30.22 30.16 10 10 10 18 8 23 0.00  
18 48 38 28 25 22 19 78 56 34 30.35 30.29 30.23 10 10 10 23 7 31 0.00  
19 58 42 25 28 23 20 81 52 23 30.32 30.23 30.15 10 10 10 20 7 25 0.00  
20 58 52 45 41 31 21 71 51 30 30.20 30.14 30.10 10 10 10 20 4 24 0.00  
21 61 53 44 55 50 40 89 81 72 30.09 29.97 29.87 10 10 6 10 3 12 0.06 Rain
22 64 55 45 59 52 44 100 80 60 30.13 29.98 29.79 10 8 2 10 3 20 1.03 Rain
23 61 52 43 56 37 30 71 63 54 30.28 30.13 29.82 10 10 4 28 11 37 0.09 Rain
24 46 38 30 33 27 22 78 59 40 30.48 30.40 30.28 10 10 10 21 4 28 0.00  
25 53 41 29 28 25 19 92 60 28 30.41 30.26 30.12 10 10 10 30 8 39 0.00  
26 51 43 35 26 24 21 56 45 33 30.41 30.29 30.16 10 10 10 29 7 34 0.00  
27 50 44 37 41 34 25 100 76 51 30.19 29.75 29.52 10 7 2 22 8 31 0.37 Rain
28 46 39 32 28 22 18 57 45 33 30.06 29.90 29.68 10 10 10 29 14 41 T  
29 48 39 30 28 24 21 78 59 40 30.10 30.03 29.97 10 10 10 12 3 14 0.00  
30 59 44 29 44 32 23 72 51 30 30.07 29.96 29.88 10 10 10 20 7 26 0.00  
31 57 47 37 43 37 32 96 72 47 30.16 30.01 29.86 10 10 7 23 6 31 0.01 Rain