Weather History for Langley AFB, VA

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Month of July, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 93 °F 87 °F 77 °F
Mean Temperature 85 °F 80 °F 73 °F
Min Temperature 78 °F 73 °F 66 °F
Degree Days  
Heating Degree Days (base 65) 0 0 0 0
Cooling Degree Days (base 65) 20 15 8 456
Growing Degree Days (base 50) 35 30 23 921
Dew Point  
Dew Point 81 °F 73 °F 59 °F
Precipitation  
Precipitation 1.21 in 0.15 in 0.00 in 4.72 in
Snowdepth - - - -
Wind  
Wind 36 mph 8 mph 0 mph
Gust Wind 58 mph 22 mph 12 mph
Sea Level Pressure  
Sea Level Pressure 30.34 in 30.08 in 29.70 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Jul. 24, 2013 Rise Set
Actual Time 6:04 AM EDT 8:19 PM EDT
Civil Twilight 5:34 AM EDT 8:48 PM EDT
Nautical Twilight 4:58 AM EDT 9:24 PM EDT
Astronomical Twilight 4:19 AM EDT 10:03 PM EDT
Moon 9:29 PM EDT (7/24) 8:17 AM EDT (7/24)
Length of Visible Light 15h 13m
Length of Day
14h 15m
Waning Gibbous, 95% of the Moon is Illuminated
Jul 24
Waning Gibbous
Jul 29
Last Quarter
Aug 6
New
Aug 14
First Quarter
Aug 20
Full

Weather History Calendar

Precipitation Actual month total 4.72 Average Month Total: 4.59
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Rain
Actual:
82 | 75 0.47
Average:
84 | 69 0.10
Rain
Actual:
86 | 73 0.22
Average:
84 | 69 0.12
Thunderstorm
Actual:
86 | 73 0.05
Average:
86 | 70 0.04
Partly Cloudy
Actual:
89 | 75 0.00
Average:
85 | 70 0.20
Rain
Actual:
90 | 75 0.00
Average:
84 | 70 0.18
Scattered Clouds
Actual:
89 | 75 0.00
Average:
84 | 70 0.19
Scattered Clouds
Actual:
89 | 75 0.00
Average:
85 | 70 0.10
Rain
Actual:
84 | 75 0.01
Average:
86 | 70 0.04
Partly Cloudy
Actual:
88 | 74 0.00
Average:
88 | 72 0.20
Partly Cloudy
Actual:
90 | 77 0.00
Average:
87 | 72 0.21
Thunderstorm
Actual:
84 | 73 0.44
Average:
86 | 72 0.25
Rain
Actual:
79 | 71 1.14
Average:
87 | 71 0.14
Thunderstorm
Actual:
88 | 69 0.10
Average:
87 | 71 0.17
Rain
Actual:
85 | 75 0.00
Average:
87 | 72 0.09
Rain
Actual:
90 | 70 0.00
Average:
86 | 72 0.16
Thunderstorm
Actual:
92 | 76 0.00
Average:
86 | 72 0.12
Rain
Actual:
92 | 74 0.00
Average:
86 | 71 0.02
Fog
Actual:
93 | 75 0.00
Average:
87 | 71 0.06
Clear
Actual:
92 | 78 0.00
Average:
88 | 72 0.09
Scattered Clouds
Actual:
90 | 77 0.00
Average:
87 | 72 0.12
Thunderstorm
Actual:
90 | 75 0.01
Average:
88 | 72 0.14
Thunderstorm
Actual:
88 | 73 1.21
Average:
86 | 72 0.12
Rain
Actual:
89 | 76 0.02
Average:
86 | 72 0.16
Thunderstorm
Actual:
89 | 69 0.68
Average:
85 | 72 0.15
Thunderstorm
Actual:
77 | 69 0.30
Average:
85 | 72 0.22
Rain
Actual:
81 | 67 0.00
Average:
85 | 72 0.14
Rain
Actual:
83 | 66 0.00
Average:
86 | 72 0.28
Thunderstorm
Actual:
87 | 73 0.07
Average:
86 | 73 0.25
Thunderstorm
Actual:
82 | 72 0.00
Average:
86 | 72 0.20
Rain
Actual:
82 | 66 0.00
Average:
85 | 72 0.18
Rain
Actual:
84 | 69 0.00
Average:
86 | 71 0.15
 

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
Jul high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 82 78 75 79 76 73 100 91 74 30.07 29.96 29.89 10 9 0 21 13 26 0.47 Fog , Rain
2 86 80 73 75 74 72 100 93 66 30.25 30.15 30.05 10 8 0 25 11 38 0.22 Fog , Rain
3 86 80 73 81 76 72 100 88 70 30.29 30.25 30.21 10 9 2 14 10 18 0.05 Rain , Thunderstorm
4 89 82 75 77 74 68 100 84 52 30.33 30.29 30.23 10 10 7 14 10 - 0.00  
5 90 82 75 76 74 72 99 74 55 30.31 30.26 30.19 10 10 5 14 10 17 0.00 Rain
6 89 82 75 75 73 70 92 73 55 30.27 30.22 30.15 10 10 10 13 11 - 0.00  
7 89 82 75 75 72 71 88 71 55 30.19 30.14 30.07 10 10 10 16 12 22 0.00  
8 84 80 75 75 73 72 94 80 69 30.16 30.12 30.08 10 10 9 15 12 20 0.01 Rain
9 88 80 74 76 74 69 97 82 64 30.17 30.13 30.08 10 10 10 15 11 22 0.00  
10 90 84 77 77 75 72 91 78 62 30.10 30.02 29.94 10 10 10 18 14 23 0.00  
11 84 78 73 79 75 71 100 95 70 29.97 29.92 29.90 10 7 0 18 10 24 0.44 Rain , Thunderstorm
12 79 75 71 75 73 71 100 96 81 30.06 29.94 29.89 10 8 1 13 5 - 1.14 Rain
13 88 78 69 79 75 70 100 91 61 30.24 30.15 30.04 10 10 3 15 4 21 0.10 Rain , Thunderstorm
14 85 80 75 79 76 72 100 88 62 30.34 30.31 30.26 10 10 9 13 6 - 0.00 Rain
15 90 80 70 77 74 71 100 88 58 30.34 30.30 30.24 10 9 3 8 3 - 0.00 Rain
16 92 84 76 79 75 70 95 76 56 30.25 30.21 30.17 10 10 10 9 7 17 0.00 Rain , Thunderstorm
17 92 82 74 76 74 71 100 75 52 30.22 30.17 30.13 10 10 10 9 4 - 0.00 Rain
18 93 84 75 78 75 70 100 77 48 30.15 30.11 30.06 10 10 8 10 3 - 0.00 Fog
19 92 85 78 78 76 73 94 74 58 30.09 30.03 29.97 10 10 10 16 9 23 0.00  
20 90 83 77 77 75 73 94 75 63 30.00 29.96 29.91 10 10 9 18 13 23 0.00  
21 90 83 75 76 74 70 100 81 59 29.98 29.95 29.90 10 10 9 15 10 21 0.01 Rain , Thunderstorm
22 88 80 73 78 76 73 100 93 68 29.96 29.87 29.81 10 8 0 15 4 24 1.21 Fog , Rain , Thunderstorm
23 89 82 76 79 76 72 100 84 59 29.83 29.75 29.70 10 10 5 17 8 23 0.02 Rain
24 89 79 69 77 72 64 100 81 55 29.85 29.80 29.71 10 8 0 36 8 58 0.68 Rain , Thunderstorm
25 77 73 69 73 71 68 100 91 74 30.03 29.90 29.82 10 9 2 16 10 25 0.30 Rain , Thunderstorm
26 81 74 67 70 67 64 100 79 55 30.11 30.07 30.01 10 10 10 8 6 - 0.00 Rain
27 83 74 66 68 64 61 100 69 50 30.10 30.04 29.98 10 10 10 10 4 - 0.00 Rain
28 87 80 73 75 73 68 100 83 61 30.02 29.96 29.93 10 10 5 18 5 25 0.07 Rain , Thunderstorm
29 82 77 72 76 70 64 100 81 57 30.13 30.06 29.99 10 10 10 10 5 - 0.00 Rain , Thunderstorm
30 82 74 66 69 65 59 100 70 48 30.24 30.19 30.17 10 10 10 9 4 - 0.00 Rain
31 84 76 69 72 67 62 100 75 50 30.18 30.13 30.06 10 10 10 12 4 - 0.00 Rain