Weather History for Langley AFB, VA

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Friday, May 17, 2013

  Actual Average Record
Temperature  
Mean Temperature 71 °F -  
Max Temperature 77 °F 76 °F 93 °F (1941)
Min Temperature 65 °F 57 °F 44 °F (1939)
Cooling Degree Days 6    
Growing Degree Days 21 (Base 50)    
Moisture  
Dew Point 57 °F    
Average Humidity 61    
Maximum Humidity 94    
Minimum Humidity 38    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.09 in    
Wind  
Wind Speed 6 mph (ENE)    
Max Wind Speed 12 mph    
Max Gust Speed -    
Visibility 10 miles    
Events Rain    
Averages and records for this station are not official NWS values.
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

May. 17, 2013 Rise Set
Actual Time 5:55 AM EDT 8:08 PM EDT
Civil Twilight 5:26 AM EDT 8:38 PM EDT
Nautical Twilight 4:50 AM EDT 9:13 PM EDT
Astronomical Twilight 4:11 AM EDT 9:53 PM EDT
Moon 12:21 PM EDT (5/17) 1:03 AM EDT (5/17)
Length of Visible Light 15h 11m
Length of Day
14h 13m
Waxing Crescent, 45% of the Moon is Illuminated
May 17
Waxing Crescent
May 18
First Quarter
May 25
Full
May 31
Last Quarter
Jun 8
New

Hourly Weather History & Observations

Time (EDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:58 AM 69.6 °F 59.7 °F 71% 29.96 in 10.0 mi West 3.5 mph - N/A   Clear
1:58 AM 65.3 °F 60.8 °F 85% 29.96 in 10.0 mi WSW 3.5 mph - N/A   Clear
2:58 AM 67.1 °F 61.9 °F 83% 29.96 in 10.0 mi West 3.5 mph - N/A   Overcast
3:58 AM 66.6 °F 63.3 °F 89% 29.98 in 10.0 mi WSW 5.8 mph - N/A   Overcast
4:43 AM 66.2 °F 64.4 °F 94% 29.98 in 6.0 mi WNW 5.8 mph - N/A   Partly Cloudy
4:53 AM 66.2 °F 64.4 °F 94% 29.98 in 10.0 mi WNW 5.8 mph - N/A   Scattered Clouds
4:58 AM 67.1 °F 63.7 °F 89% 30.00 in 10.0 mi WNW 5.8 mph - N/A   Scattered Clouds
5:58 AM 66.4 °F 64.4 °F 93% 30.03 in 10.0 mi Variable 1.2 mph - N/A   Scattered Clouds
6:58 AM 68.5 °F 64.6 °F 87% 30.06 in 10.0 mi WNW 2.3 mph - N/A   Mostly Cloudy
7:58 AM 72.1 °F 63.0 °F 73% 30.07 in 10.0 mi NNE 4.6 mph - N/A   Clear
8:58 AM 73.9 °F 60.4 °F 63% 30.09 in 10.0 mi NNE 5.8 mph - N/A   Clear
9:09 AM 75.2 °F 59.0 °F 57% 30.08 in 10.0 mi NE 4.6 mph - N/A   Clear
9:12 AM 75.2 °F 59.0 °F 57% 30.07 in 10.0 mi NNE 4.6 mph - N/A   Clear
9:15 AM 75.2 °F 60.8 °F 61% 30.08 in 10.0 mi NNE 4.6 mph - N/A   Clear
9:16 AM 75.2 °F 60.8 °F 61% 30.08 in 10.0 mi NNE 6.9 mph - N/A Rain Light Rain
9:19 AM 75.2 °F 59.0 °F 57% 30.08 in 10.0 mi NE 6.9 mph - N/A   Clear
9:58 AM 75.6 °F 58.3 °F 55% 30.10 in 10.0 mi ENE 6.9 mph - 0.00 in   Clear
10:37 AM 75.2 °F 57.2 °F 53% 30.10 in 10.0 mi NE 6.9 mph - N/A Rain Light Rain
10:41 AM 75.2 °F 59.0 °F 57% 30.10 in 10.0 mi ENE 5.8 mph - N/A   Clear
10:58 AM 75.7 °F 57.2 °F 52% 30.13 in 10.0 mi Variable 5.8 mph - 0.00 in   Clear
11:06 AM 75.2 °F 57.2 °F 53% 30.11 in 10.0 mi ENE 5.8 mph - N/A Rain Light Rain
11:16 AM 75.2 °F 57.2 °F 53% 30.11 in 10.0 mi NE 5.8 mph - N/A   Clear
11:25 AM 75.2 °F 57.2 °F 53% 30.11 in 10.0 mi NE 5.8 mph - N/A Rain Light Rain
11:27 AM 75.2 °F 57.2 °F 53% 30.11 in 10.0 mi NE 5.8 mph - N/A   Clear
11:28 AM 75.2 °F 57.2 °F 53% 30.11 in 10.0 mi NE 5.8 mph - N/A Rain Light Rain
11:58 AM 76.3 °F 56.7 °F 51% 30.14 in 10.0 mi Variable 5.8 mph - 0.00 in Rain Light Rain
11:59 AM 77.0 °F 57.2 °F 50% 30.12 in 10.0 mi East 4.6 mph - N/A   Clear
12:01 PM 77.0 °F 55.4 °F 47% 30.12 in 10.0 mi Variable 4.6 mph - N/A Rain Light Rain
12:12 PM 77.0 °F 57.2 °F 50% 30.11 in 10.0 mi East 9.2 mph - N/A   Partly Cloudy
12:30 PM 77.0 °F 59.0 °F 54% 30.11 in 10.0 mi ENE 8.1 mph - N/A Rain Light Rain
12:35 PM 77.0 °F 57.2 °F 50% 30.11 in 10.0 mi NE 6.9 mph - N/A   Clear
12:37 PM 77.0 °F 57.2 °F 50% 30.11 in 10.0 mi Variable 5.8 mph - N/A Rain Light Rain
12:40 PM 77.0 °F 57.2 °F 50% 30.11 in 10.0 mi NE 8.1 mph - N/A   Clear
12:58 PM 77.2 °F 56.1 °F 48% 30.13 in 10.0 mi East 10.4 mph - 0.00 in   Clear
1:11 PM 77.0 °F 51.8 °F 41% 30.11 in 10.0 mi East 6.9 mph - N/A Rain Light Rain
1:23 PM 77.0 °F 57.2 °F 50% 30.11 in 10.0 mi NE 9.2 mph - N/A   Clear
1:58 PM 76.5 °F 56.8 °F 51% 30.13 in 10.0 mi East 6.9 mph - 0.00 in   Clear
2:58 PM 75.6 °F 57.9 °F 54% 30.13 in 10.0 mi ESE 11.5 mph - N/A   Clear
3:58 PM 73.8 °F 46.4 °F 38% 30.13 in 10.0 mi ESE 10.4 mph - N/A   Scattered Clouds
4:58 PM 72.1 °F 49.6 °F 45% 30.12 in 10.0 mi ESE 9.2 mph - N/A   Clear
5:58 PM 71.2 °F 53.1 °F 53% 30.12 in 10.0 mi East 10.4 mph - N/A   Clear
6:34 PM 69.8 °F 53.6 °F 56% 30.11 in 10.0 mi East 9.2 mph - N/A Rain Light Rain
6:40 PM 69.8 °F 53.6 °F 56% 30.11 in 10.0 mi East 9.2 mph - N/A   Clear
6:58 PM 69.6 °F 52.9 °F 55% 30.13 in 10.0 mi ESE 10.4 mph - 0.00 in   Clear
6:59 PM 69.8 °F 51.8 °F 53% 30.11 in 10.0 mi ESE 8.1 mph - N/A Rain Light Rain
7:01 PM 69.8 °F 53.6 °F 56% 30.11 in 10.0 mi ESE 8.1 mph - N/A   Clear
7:02 PM 69.8 °F 53.6 °F 56% 30.11 in 10.0 mi ESE 8.1 mph - N/A Rain Light Rain
7:32 PM 68.0 °F 53.6 °F 60% 30.11 in 10.0 mi ESE 9.2 mph - N/A   Clear
7:33 PM 68.0 °F 53.6 °F 60% 30.11 in 10.0 mi ESE 9.2 mph - N/A Rain Light Rain
7:40 PM 68.0 °F 53.6 °F 60% 30.11 in 10.0 mi ESE 9.2 mph - N/A   Clear
7:58 PM 66.6 °F 54.3 °F 65% 30.13 in 10.0 mi East 6.9 mph - 0.00 in   Clear
8:00 PM 66.2 °F 55.4 °F 68% 30.11 in 10.0 mi East 9.2 mph - N/A Rain Light Rain
8:28 PM 66.2 °F 55.4 °F 68% 30.12 in 10.0 mi ESE 5.8 mph - N/A   Clear
8:58 PM 65.5 °F 55.9 °F 71% 30.14 in 10.0 mi ESE 8.1 mph - 0.00 in   Clear
9:58 PM 65.7 °F 55.9 °F 71% 30.17 in 10.0 mi ESE 6.9 mph - N/A   Scattered Clouds
10:58 PM 65.8 °F 54.7 °F 67% 30.17 in 10.0 mi SE 9.2 mph - N/A   Overcast
11:58 PM 65.8 °F 53.2 °F 64% 30.18 in 10.0 mi SSE 5.8 mph - N/A   Overcast