Weather History for Langley AFB, VA

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Month of January, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 74 °F 50 °F 30 °F
Mean Temperature 66 °F 42 °F 24 °F
Min Temperature 57 °F 34 °F 18 °F
Degree Days  
Heating Degree Days (base 65) 40 23 0 717
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 16 1 0 44
Dew Point  
Dew Point 63 °F 35 °F -1 °F
Precipitation  
Precipitation 0.95 in 0.11 in 0.00 in 3.48 in
Snowdepth 1.0 in 1.0 in 1.0 in -
Wind  
Wind 52 mph 8 mph 0 mph
Gust Wind 75 mph 23 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.63 in 30.19 in 29.31 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Jan. 13, 2013 Rise Set
Actual Time 7:18 AM EST 5:10 PM EST
Civil Twilight 6:49 AM EST 5:38 PM EST
Nautical Twilight 6:17 AM EST 6:10 PM EST
Astronomical Twilight 5:46 AM EST 6:42 PM EST
Moon 8:19 AM EST (1/13) 7:41 PM EST (1/13)
Length of Visible Light 10h 48m
Length of Day
9h 51m
Waxing Crescent, 5% of the Moon is Illuminated
Jan 13
Waxing Crescent
Jan 18
First Quarter
Jan 26
Full
Feb 3
Last Quarter
Feb 10
New

Weather History Calendar

Precipitation Actual month total 3.48 Average Month Total: 3.70
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Rain
Actual:
47 | 42 0.10
Average:
50 | 35 0.14
Rain
Actual:
42 | 36 0.13
Average:
48 | 33 0.09
Partly Cloudy
Actual:
38 | 28 0.00
Average:
49 | 34 0.15
Scattered Clouds
Actual:
45 | 27 0.00
Average:
48 | 34 0.19
Scattered Clouds
Actual:
43 | 29 0.00
Average:
46 | 32 0.14
Mostly Cloudy
Actual:
49 | 35 0.01
Average:
46 | 32 0.09
Clear
Actual:
49 | 32 0.00
Average:
48 | 32 0.10
Scattered Clouds
Actual:
55 | 27 0.00
Average:
44 | 31 0.26
Rain
Actual:
66 | 37 0.00
Average:
44 | 30 0.15
Scattered Clouds
Actual:
53 | 38 0.00
Average:
44 | 31 0.15
Rain
Actual:
59 | 33 0.03
Average:
45 | 30 0.06
Fog
Actual:
57 | 46 0.00
Average:
43 | 29 0.03
Fog
Actual:
66 | 47 0.00
Average:
45 | 30 0.19
Rain
Actual:
66 | 44 0.80
Average:
46 | 29 0.13
Rain
Actual:
46 | 42 0.49
Average:
44 | 31 0.06
Rain
Actual:
48 | 40 0.20
Average:
45 | 29 0.09
Snow
Actual:
46 | 32 0.95
Average:
45 | 27 0.05
Snow
Actual:
41 | 28 0.12
Average:
45 | 30 0.17
Clear
Actual:
52 | 27 0.00
Average:
45 | 30 0.17
Clear
Actual:
60 | 42 0.00
Average:
46 | 29 0.19
Clear
Actual:
52 | 34 0.00
Average:
44 | 29 0.12
Scattered Clouds
Actual:
37 | 24 0.00
Average:
45 | 30 0.14
Partly Cloudy
Actual:
33 | 19 0.00
Average:
49 | 32 0.10
Snow
Actual:
33 | 22 0.00
Average:
50 | 33 0.06
Snow
Actual:
30 | 19 0.06
Average:
49 | 34 0.12
Partly Cloudy
Actual:
33 | 18 0.00
Average:
48 | 31 0.11
Partly Cloudy
Actual:
36 | 27 0.00
Average:
47 | 31 0.14
Mostly Cloudy
Actual:
51 | 29 0.03
Average:
46 | 30 0.17
Scattered Clouds
Actual:
70 | 48 0.00
Average:
48 | 30 0.05
Partly Cloudy
Actual:
74 | 57 0.00
Average:
49 | 32 0.05
Rain
Actual:
69 | 37 0.56
Average:
48 | 32 0.04
 

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
Jan high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 47 44 42 43 38 29 100 77 49 30.07 30.01 29.94 10 9 3 14 8 - 0.10 Rain
2 42 39 36 41 36 27 100 88 67 30.22 30.06 29.99 10 8 4 14 10 - 0.13 Rain
3 38 33 28 27 25 21 92 69 54 30.27 30.23 30.19 10 10 10 9 5 - 0.00  
4 45 36 27 30 27 25 92 69 49 30.27 30.21 30.15 10 10 10 13 6 18 0.00  
5 43 36 29 33 27 22 77 66 52 30.41 30.32 30.23 10 10 10 10 7 - 0.00  
6 49 42 35 37 36 33 91 77 62 30.25 30.16 30.07 10 10 6 9 7 - 0.01  
7 49 40 32 37 31 28 93 69 44 30.47 30.36 30.16 10 10 10 13 7 16 0.00  
8 55 41 27 41 35 26 96 84 53 30.50 30.44 30.40 10 10 8 6 1 - 0.00  
9 66 52 37 51 46 37 97 76 57 30.43 30.37 30.32 10 10 10 12 4 - 0.00 Rain
10 53 46 38 49 38 30 97 73 41 30.59 30.50 30.39 10 10 6 16 5 - 0.00  
11 59 46 33 59 49 32 100 93 76 30.49 30.26 30.13 10 9 2 14 4 - 0.03 Rain
12 57 52 46 55 51 46 100 97 88 30.19 30.15 30.12 10 3 0 14 7 22 0.00 Fog
13 66 56 47 61 51 45 100 96 77 30.16 30.13 30.06 10 3 0 9 5 - 0.00 Fog
14 66 55 44 61 53 44 100 95 78 30.24 30.17 30.08 10 4 0 21 9 28 0.80 Fog , Rain
15 46 44 42 46 44 41 100 96 93 30.29 30.23 30.11 10 3 1 21 13 25 0.49 Rain
16 48 44 40 47 43 39 100 98 93 30.09 30.04 29.97 10 4 0 14 6 - 0.20 Fog , Rain
17 46 40 32 46 42 32 100 97 87 30.13 30.05 29.99 10 5 1 22 7 32 0.95 Rain , Snow
18 41 34 28 34 31 24 100 88 51 30.56 30.31 30.06 10 8 0 12 6 21 0.12 Fog , Rain , Snow
19 52 40 27 32 29 25 94 64 40 30.52 30.35 30.13 10 10 10 13 5 17 0.00  
20 60 51 42 36 34 30 69 56 39 30.11 30.01 29.91 10 10 10 22 10 31 0.00  
21 52 43 34 39 31 22 77 60 41 30.11 29.98 29.81 10 10 10 13 7 20 0.00  
22 37 30 24 22 9 -1 61 42 27 30.28 30.15 29.93 10 10 10 15 8 26 0.00  
23 33 26 19 13 6 2 58 42 29 30.39 30.28 30.13 10 10 10 14 8 18 0.00  
24 33 28 22 25 16 3 86 63 37 30.55 30.24 29.99 10 9 2 21 13 29 0.00 Snow
25 30 24 19 24 19 6 93 78 44 30.53 30.24 30.11 10 6 0 13 7 - 0.06 Fog , Snow
26 33 26 18 27 23 17 95 87 71 30.45 30.25 30.11 10 8 5 10 4 - 0.00  
27 36 32 27 27 23 20 86 70 53 30.63 30.53 30.45 10 10 9 13 7 - 0.00  
28 51 40 29 46 33 24 87 78 66 30.53 30.37 30.15 10 9 4 20 9 26 0.03  
29 70 59 48 54 49 45 93 78 55 30.17 30.12 30.09 10 9 3 16 12 25 0.00  
30 74 66 57 61 58 52 95 81 61 30.09 29.83 29.46 10 9 5 26 15 44 0.00  
31 69 53 37 63 46 20 94 71 35 29.99 29.53 29.31 10 6 0 52 26 75 0.56 Fog , Rain