Weather History for Langley AFB, VA

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Month of December, 2010

  Max Avg Min Sum
Temperature  
Max Temperature 68 °F 41 °F 29 °F
Mean Temperature 52 °F 33 °F 24 °F
Min Temperature 45 °F 26 °F 17 °F
Degree Days  
Heating Degree Days (base 65) 40 31 12 972
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 2 0 0 4
Dew Point  
Dew Point 68 °F 20 °F -10 °F
Precipitation  
Precipitation 0.43 in 0.05 in 0.00 in 1.51 in
Snowdepth 10.0 in 7.0 in 1.0 in -
Wind  
Wind 32 mph 8 mph 0 mph
Gust Wind 46 mph 23 mph 17 mph
Sea Level Pressure  
Sea Level Pressure 30.41 in 29.98 in 29.27 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 17, 2010 Rise Set
Actual Time 7:12 AM EST 4:50 PM EST
Civil Twilight 6:43 AM EST 5:19 PM EST
Nautical Twilight 6:11 AM EST 5:51 PM EST
Astronomical Twilight 5:39 AM EST 6:23 PM EST
Moon 1:54 PM EST (12/17) 3:31 AM EST (12/17)
Length of Visible Light 10h 35m
Length of Day
9h 37m
Waxing Gibbous, 86% of the Moon is Illuminated
Dec 17
Waxing Gibbous
Dec 21
Full
Dec 27
Last Quarter
Jan 4
New
Jan 12
First Quarter

Weather History Calendar

Precipitation Actual month total 1.51 Average Month Total: 3.51
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Rain
Actual:
68 | 37 0.25
Average:
55 | 39 0.05
Scattered Clouds
Actual:
45 | 31 0.00
Average:
55 | 37 0.05
Partly Cloudy
Actual:
44 | 36 0.00
Average:
54 | 37 0.10
Snow
Actual:
41 | 30 0.00
Average:
54 | 37 0.07
Snow
Actual:
39 | 29 0.00
Average:
53 | 36 0.06
Clear
Actual:
39 | 25 0.00
Average:
55 | 36 0.08
Clear
Actual:
36 | 25 0.00
Average:
54 | 37 0.12
Clear
Actual:
35 | 21 0.00
Average:
55 | 39 0.16
Clear
Actual:
37 | 21 0.00
Average:
53 | 37 0.15
Scattered Clouds
Actual:
44 | 22 0.00
Average:
54 | 37 0.23
Rain
Actual:
50 | 26 0.31
Average:
51 | 37 0.10
Rain
Actual:
57 | 45 0.43
Average:
52 | 37 0.20
Snow
Actual:
44 | 23 0.02
Average:
53 | 37 0.19
Clear
Actual:
29 | 18 0.00
Average:
51 | 36 0.12
Clear
Actual:
32 | 17 0.00
Average:
51 | 36 0.21
Snow
Actual:
32 | 18 0.24
Average:
50 | 35 0.20
Partly Cloudy
Actual:
34 | 24 0.00
Average:
49 | 34 0.05
Snow
Actual:
37 | 23 0.01
Average:
48 | 31 0.06
Snow
Actual:
38 | 29 0.00
Average:
49 | 33 0.03
Clear
Actual:
38 | 26 0.00
Average:
50 | 35 0.09
Scattered Clouds
Actual:
41 | 28 0.00
Average:
50 | 34 0.10
Partly Cloudy
Actual:
43 | 34 0.00
Average:
49 | 33 0.17
Clear
Actual:
43 | 31 0.00
Average:
49 | 34 0.09
Clear
Actual:
41 | 28 0.00
Average:
50 | 33 0.17
Snow
Actual:
36 | 28 0.05
Average:
48 | 32 0.07
Snow
Actual:
32 | 26 0.20
Average:
45 | 31 0.09
Snow
Actual:
37 | 24 0.00
Average:
45 | 32 0.05
Scattered Clouds
Actual:
38 | 25 0.00
Average:
51 | 35 0.14
Clear
Actual:
37 | 19 0.00
Average:
48 | 33 0.10
Scattered Clouds
Actual:
42 | 21 0.00
Average:
48 | 33 0.02
Clear
Actual:
51 | 26 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

2010 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 68 52 37 68 55 19 100 81 38 30.09 29.83 29.66 10 8 2 29 17 46 0.25 Rain
2 45 38 31 29 22 15 78 54 30 30.22 30.16 30.10 10 10 10 9 5 - 0.00  
3 44 40 36 30 22 17 64 48 34 30.14 30.09 30.04 10 10 10 15 10 - 0.00  
4 41 36 30 32 22 8 93 62 27 30.09 29.93 29.82 10 9 7 10 6 - 0.00 Snow
5 39 34 29 31 24 7 93 74 34 29.95 29.84 29.80 10 10 8 24 8 30 0.00 Snow
6 39 32 25 17 8 3 67 39 23 29.94 29.84 29.76 10 10 10 23 11 30 0.00  
7 36 30 25 12 3 0 44 32 22 30.01 29.85 29.78 10 10 7 18 13 25 0.00  
8 35 28 21 13 4 0 66 37 23 30.24 30.12 30.02 10 10 10 12 6 - 0.00  
9 37 29 21 14 8 2 68 45 22 30.41 30.34 30.24 10 10 10 13 5 17 0.00  
10 44 33 22 31 26 16 100 81 57 30.40 30.32 30.26 10 10 6 8 1 - 0.00  
11 50 38 26 50 38 25 100 95 64 30.26 30.12 29.90 10 6 1 13 3 - 0.31 Rain
12 57 52 45 58 51 43 100 95 77 29.89 29.57 29.27 10 9 4 20 10 28 0.43 Rain
13 44 34 23 43 30 4 100 84 44 29.65 29.39 29.27 10 8 1 21 11 30 0.02 Snow
14 29 24 18 8 -1 -10 56 37 20 29.98 29.81 29.66 10 10 10 25 14 33 0.00  
15 32 24 17 5 0 -6 58 36 20 30.03 29.99 29.94 10 10 10 18 9 25 0.00  
16 32 25 18 32 26 4 100 89 32 30.02 29.84 29.74 10 6 0 10 3 - 0.24 Rain , Snow
17 34 29 24 32 26 21 100 89 59 30.19 30.02 29.85 10 10 10 10 5 - 0.00  
18 37 30 23 33 30 23 100 88 72 30.19 30.09 30.03 10 10 3 13 5 - 0.01 Snow
19 38 34 29 34 26 16 100 75 43 30.03 29.99 29.95 10 10 10 16 10 22 0.00 Snow
20 38 32 26 16 13 10 63 48 35 30.07 30.02 29.97 10 10 10 16 12 25 0.00  
21 41 34 28 17 12 9 59 42 27 30.08 30.03 29.96 10 10 10 15 10 26 0.00  
22 43 38 34 16 14 10 45 37 26 29.99 29.92 29.86 10 10 10 15 5 24 0.00  
23 43 37 31 17 14 11 52 41 27 30.08 30.02 29.97 10 10 10 22 15 32 0.00  
24 41 34 28 18 15 12 66 46 31 30.19 30.12 30.08 10 10 10 13 9 22 0.00  
25 36 32 28 32 26 19 100 77 53 30.12 30.03 29.93 10 8 2 8 3 - 0.05 Snow
26 32 29 26 32 27 23 100 92 80 29.92 29.64 29.54 8 2 0 22 14 30 0.20 Fog , Snow
27 37 30 24 23 10 -2 86 48 20 29.97 29.66 29.55 10 5 1 32 18 44 0.00 Snow
28 38 32 25 22 13 6 83 49 28 30.14 30.06 29.99 10 10 10 17 11 - 0.00  
29 37 28 19 25 20 15 96 73 44 30.18 30.11 30.05 10 10 10 7 1 - 0.00  
30 42 32 21 28 22 17 98 73 38 30.32 30.25 30.18 10 10 9 5 0 - 0.00  
31 51 38 26 31 25 21 95 63 31 30.28 30.25 30.22 10 10 10 10 2 - 0.00