Weather History for Langley AFB, VA

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Month of January, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 67 °F 52 °F 35 °F
Mean Temperature 58 °F 44 °F 28 °F
Min Temperature 50 °F 35 °F 19 °F
Degree Days  
Heating Degree Days (base 65) 37 22 8 648
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 8 1 0 27
Dew Point  
Dew Point 64 °F 27 °F -10 °F
Precipitation  
Precipitation 0.53 in 0.04 in 0.00 in 1.35 in
Snowdepth - - - -
Wind  
Wind 32 mph 9 mph 0 mph
Gust Wind 45 mph 23 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.64 in 30.09 in 29.46 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Jan. 01, 2012 Rise Set
Actual Time 7:18 AM EST 4:58 PM EST
Civil Twilight 6:49 AM EST 5:27 PM EST
Nautical Twilight 6:17 AM EST 6:00 PM EST
Astronomical Twilight 5:45 AM EST 6:31 PM EST
Moon 11:41 AM EST (1/1) 12:17 AM EST (1/1)
Length of Visible Light 10h 37m
Length of Day
9h 39m
First Quarter, 54% of the Moon is Illuminated
Jan 1
First Quarter
Jan 9
Full
Jan 16
Last Quarter
Jan 23
New
Jan 30
First Quarter

Weather History Calendar

 
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Clear
Actual:
- | - -
Average:
- | - -
Scattered Clouds
Actual:
46 | 33 0.00
Average:
48 | 33 0.09
Snow
Actual:
35 | 23 0.00
Average:
49 | 34 0.15
Scattered Clouds
Actual:
38 | 19 0.00
Average:
48 | 34 0.19
Scattered Clouds
Actual:
50 | 31 0.00
Average:
46 | 32 0.14
Clear
Actual:
66 | 38 0.00
Average:
46 | 32 0.09
Scattered Clouds
Actual:
64 | 43 0.00
Average:
48 | 32 0.10
Partly Cloudy
Actual:
55 | 36 0.00
Average:
44 | 31 0.26
Rain
Actual:
45 | 41 0.04
Average:
44 | 30 0.15
Partly Cloudy
Actual:
54 | 36 0.01
Average:
44 | 31 0.15
Rain
Actual:
57 | 33 0.53
Average:
45 | 30 0.06
Rain
Actual:
61 | 50 0.09
Average:
43 | 29 0.03
Partly Cloudy
Actual:
54 | 35 0.00
Average:
45 | 30 0.19
Scattered Clouds
Actual:
41 | 26 0.00
Average:
46 | 29 0.13
Scattered Clouds
Actual:
36 | 24 0.00
Average:
44 | 31 0.06
Partly Cloudy
Actual:
45 | 23 0.02
Average:
45 | 29 0.09
Rain
Actual:
64 | 42 0.00
Average:
45 | 27 0.05
Rain
Actual:
59 | 36 0.01
Average:
45 | 30 0.17
Scattered Clouds
Actual:
44 | 27 0.00
Average:
45 | 30 0.17
Rain
Actual:
43 | 37 0.08
Average:
46 | 29 0.19
Rain
Actual:
55 | 33 0.27
Average:
44 | 29 0.12
Overcast
Actual:
39 | 33 0.00
Average:
45 | 30 0.14
Rain
Actual:
59 | 39 0.00
Average:
49 | 32 0.10
Rain
Actual:
59 | 41 0.01
Average:
50 | 33 0.06
Fog
Actual:
46 | 35 0.00
Average:
49 | 34 0.12
Partly Cloudy
Actual:
63 | 37 0.00
Average:
48 | 31 0.11
Rain
Actual:
67 | 46 0.29
Average:
47 | 31 0.14
Clear
Actual:
57 | 36 0.00
Average:
46 | 30 0.17
Scattered Clouds
Actual:
50 | 34 0.00
Average:
48 | 30 0.05
Clear
Actual:
49 | 29 0.00
Average:
49 | 32 0.05
Rain
Actual:
64 | 43 0.00
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

2012 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 - - - - - - - - - - - - - - - - - - -  
2 46 40 33 6 4 1 31 22 16 29.98 29.94 29.88 10 10 10 15 7 29 0.00  
3 35 30 23 8 0 -8 42 29 18 30.30 30.10 29.96 10 10 10 24 12 34 0.00 Snow
4 38 28 19 5 -1 -6 52 28 19 30.39 30.24 30.05 10 10 10 17 8 23 0.00  
5 50 40 31 26 12 2 71 34 21 30.06 30.02 29.99 10 10 10 12 8 - 0.00  
6 66 52 38 21 16 6 50 28 9 30.05 29.98 29.91 10 10 10 17 10 23 0.00  
7 64 54 43 37 28 21 59 38 27 30.02 29.93 29.89 10 10 10 15 11 - 0.00  
8 55 46 36 35 25 17 83 48 27 30.32 30.24 30.06 10 10 10 12 7 - 0.00  
9 45 43 41 43 39 33 100 91 68 30.32 30.19 30.05 10 9 4 9 6 - 0.04 Rain
10 54 46 36 43 37 19 100 86 26 30.10 30.06 30.01 10 8 3 13 6 - 0.01  
11 57 45 33 57 48 34 100 94 76 30.05 29.82 29.53 10 8 2 13 5 20 0.53 Rain
12 61 56 50 57 52 45 100 87 57 29.61 29.53 29.49 10 10 3 20 11 25 0.09 Rain
13 54 46 35 47 18 7 76 38 23 29.99 29.75 29.46 10 10 10 32 21 40 0.00  
14 41 34 26 23 12 6 79 42 24 30.17 30.12 30.01 10 10 10 14 5 20 0.00  
15 36 30 24 23 10 1 65 43 23 30.59 30.39 30.15 10 10 10 17 5 23 0.00  
16 45 34 23 30 17 8 83 50 25 30.64 30.49 30.31 10 10 6 16 3 23 0.02  
17 64 53 42 49 38 27 74 55 39 30.31 30.07 29.82 10 10 10 29 16 45 0.00 Rain
18 59 48 36 54 36 6 94 62 20 30.16 29.93 29.80 10 10 5 22 16 30 0.01 Rain
19 44 36 27 20 14 8 70 39 23 30.24 30.14 30.04 10 10 10 17 11 - 0.00  
20 43 40 37 37 29 18 93 68 44 30.29 30.21 30.05 10 8 3 20 12 25 0.08 Rain
21 55 44 33 55 46 33 100 99 87 30.23 29.99 29.87 10 6 1 18 10 - 0.27 Rain
22 39 36 33 39 36 33 100 98 93 30.41 30.34 30.25 8 4 2 18 13 24 0.00  
23 59 49 39 60 45 39 100 100 94 30.32 30.18 30.00 10 3 0 12 5 - 0.00 Fog , Rain
24 59 50 41 59 53 41 100 96 72 30.20 30.07 30.00 10 7 2 17 10 23 0.01 Rain
25 46 40 35 41 38 29 100 91 51 30.40 30.27 30.19 10 5 0 14 5 - 0.00 Fog
26 63 50 37 58 47 36 100 87 64 30.22 30.08 29.83 10 8 2 12 3 - 0.00  
27 67 58 46 64 54 27 100 82 27 30.00 29.67 29.55 10 8 0 29 16 36 0.29 Fog , Rain
28 57 46 36 34 29 19 87 52 32 30.19 30.08 30.00 10 10 10 14 7 - 0.00  
29 50 42 34 16 5 -10 42 23 9 30.34 30.26 30.19 10 10 10 14 8 - 0.00  
30 49 39 29 30 15 4 76 38 15 30.43 30.36 30.21 10 10 10 14 9 - 0.00  
31 64 54 43 24 16 11 47 24 12 30.35 30.28 30.21 10 10 2 21 14 - 0.00 Rain