Weather History for Langley AFB, VA

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Month of December, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 72 °F 56 °F 43 °F
Mean Temperature 64 °F 47 °F 36 °F
Min Temperature 58 °F 39 °F 25 °F
Degree Days  
Heating Degree Days (base 65) 30 17 2 542
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 14 2 0 61
Dew Point  
Dew Point 64 °F 38 °F -3 °F
Precipitation  
Precipitation 1.57 in 0.09 in 0.00 in 2.69 in
Snowdepth - - - -
Wind  
Wind 26 mph 8 mph 0 mph
Gust Wind 36 mph 22 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.43 in 30.04 in 29.33 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 01, 2012 Rise Set
Actual Time 7:00 AM EST 4:48 PM EST
Civil Twilight 6:32 AM EST 5:17 PM EST
Nautical Twilight 5:59 AM EST 5:49 PM EST
Astronomical Twilight 5:28 AM EST 6:20 PM EST
Moon 7:35 PM EST (12/1) 9:12 AM EST (12/1)
Length of Visible Light 10h 45m
Length of Day
9h 47m
Waning Gibbous, 92% of the Moon is Illuminated
Dec 1
Waning Gibbous
Dec 6
Last Quarter
Dec 13
New
Dec 20
First Quarter
Dec 28
Full

Weather History Calendar

Precipitation Actual month total 2.69 Average Month Total: 3.51
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Scattered Clouds
Actual:
59 | 33 0.00
Average:
55 | 39 0.05
Fog
Actual:
62 | 35 0.00
Average:
55 | 37 0.05
Partly Cloudy
Actual:
69 | 50 0.00
Average:
54 | 37 0.10
Scattered Clouds
Actual:
72 | 50 0.00
Average:
54 | 37 0.07
Rain
Actual:
60 | 41 0.03
Average:
53 | 36 0.06
Clear
Actual:
43 | 32 0.00
Average:
55 | 36 0.08
Rain
Actual:
59 | 34 0.08
Average:
54 | 37 0.12
Rain
Actual:
59 | 51 0.01
Average:
55 | 39 0.16
Rain
Actual:
64 | 46 0.01
Average:
53 | 37 0.15
Rain
Actual:
69 | 58 0.00
Average:
54 | 37 0.23
Mostly Cloudy
Actual:
65 | 48 0.00
Average:
51 | 37 0.10
Rain
Actual:
48 | 44 0.00
Average:
52 | 37 0.20
Partly Cloudy
Actual:
48 | 35 0.03
Average:
53 | 37 0.19
Clear
Actual:
53 | 30 0.00
Average:
51 | 36 0.12
Fog
Actual:
51 | 32 0.00
Average:
51 | 36 0.21
Rain
Actual:
55 | 46 0.20
Average:
50 | 35 0.20
Rain
Actual:
59 | 53 0.21
Average:
49 | 34 0.05
Partly Cloudy
Actual:
62 | 43 0.00
Average:
48 | 31 0.06
Clear
Actual:
60 | 40 0.00
Average:
49 | 33 0.03
Rain
Actual:
59 | 40 0.13
Average:
50 | 35 0.09
Rain
Actual:
61 | 36 0.14
Average:
50 | 34 0.10
Clear
Actual:
48 | 34 0.00
Average:
49 | 33 0.17
Scattered Clouds
Actual:
51 | 26 0.00
Average:
49 | 34 0.09
Rain
Actual:
50 | 34 0.00
Average:
50 | 33 0.17
Partly Cloudy
Actual:
50 | 39 0.00
Average:
48 | 32 0.07
Thunderstorm
Actual:
59 | 42 1.57
Average:
45 | 31 0.09
Rain
Actual:
50 | 36 0.00
Average:
45 | 32 0.05
Scattered Clouds
Actual:
44 | 31 0.00
Average:
51 | 35 0.14
Rain
Actual:
46 | 39 0.28
Average:
48 | 33 0.10
Clear
Actual:
44 | 29 0.00
Average:
48 | 33 0.02
Partly Cloudy
Actual:
47 | 25 0.00
Average:
49 | 34 0.19
 

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 59 46 33 39 35 22 100 83 26 30.43 30.39 30.35 10 6 1 9 2 - 0.00  
2 62 48 35 47 39 36 100 87 49 30.42 30.37 30.24 10 4 0 13 3 - 0.00 Fog
3 69 60 50 53 49 45 96 72 43 30.28 30.25 30.21 10 10 9 15 7 - 0.00  
4 72 61 50 53 48 40 100 67 31 30.31 30.23 30.15 10 10 5 15 6 - 0.00  
5 60 50 41 55 46 34 99 76 59 30.26 30.15 30.07 10 10 7 14 8 - 0.03 Rain
6 43 38 32 32 28 24 92 66 48 30.38 30.32 30.26 10 10 10 15 8 21 0.00  
7 59 46 34 58 47 32 97 87 65 30.25 30.11 29.99 10 10 10 7 3 - 0.08 Rain
8 59 55 51 59 54 50 100 98 79 30.04 29.97 29.95 10 6 1 13 5 - 0.01 Rain
9 64 55 46 59 52 46 100 97 75 30.15 30.09 30.01 10 6 0 10 2 - 0.01 Fog , Rain
10 69 64 58 64 61 54 100 85 66 29.99 29.78 29.68 10 10 10 21 8 29 0.00 Rain
11 65 56 48 57 41 29 87 65 47 30.19 29.96 29.70 10 10 10 15 11 22 0.00  
12 48 46 44 34 25 20 60 45 38 30.38 30.32 30.20 10 10 10 20 14 24 0.00 Rain
13 48 42 35 36 33 27 89 67 51 30.37 30.35 30.31 10 10 10 22 15 29 0.03  
14 53 42 30 38 29 11 99 74 18 30.37 30.31 30.25 10 10 10 7 1 - 0.00  
15 51 42 32 47 38 19 100 89 29 30.32 30.21 30.14 10 7 0 8 1 - 0.00 Fog
16 55 50 46 56 50 46 100 100 93 30.14 30.04 29.89 10 6 0 10 3 - 0.20 Fog , Rain
17 59 56 53 59 56 54 100 99 86 29.89 29.81 29.64 10 8 2 13 5 16 0.21 Rain
18 62 54 43 55 44 26 100 67 34 29.85 29.67 29.61 10 10 10 15 11 22 0.00  
19 60 50 40 40 30 17 90 56 19 30.19 29.99 29.85 10 10 10 17 9 20 0.00  
20 59 50 40 58 44 32 96 78 51 30.22 29.91 29.52 10 10 5 18 10 30 0.13 Rain
21 61 49 36 61 42 9 100 71 24 29.68 29.45 29.33 10 9 5 25 19 36 0.14 Rain
22 48 42 34 14 10 -2 42 31 13 30.06 29.88 29.69 10 10 10 22 15 29 0.00  
23 51 38 26 25 13 -3 88 41 12 30.14 30.05 29.99 10 10 10 15 5 - 0.00  
24 50 42 34 41 32 17 84 62 28 30.08 29.98 29.91 10 10 10 10 5 - 0.00 Rain
25 50 44 39 44 40 34 93 81 66 30.22 30.07 29.89 10 10 6 13 7 17 0.00  
26 59 50 42 59 52 36 100 98 76 30.19 29.61 29.37 10 5 0 24 14 33 1.57 Fog , Rain , Thunderstorm
27 50 44 36 39 32 20 100 70 34 30.06 29.75 29.50 10 10 10 21 15 29 0.00 Rain
28 44 38 31 34 28 24 87 70 54 30.18 30.11 30.05 10 10 10 8 5 - 0.00  
29 46 42 39 45 42 32 100 92 72 30.05 29.72 29.57 10 5 1 18 6 23 0.28 Rain
30 44 36 29 32 24 19 77 57 36 30.37 30.16 29.85 10 10 10 26 10 36 0.00  
31 47 36 25 29 26 22 91 65 46 30.37 30.24 30.09 10 10 10 15 6 - 0.00