Weather History for Langley AFB, VA

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Monday, May 20, 2013

  Actual Average Record
Temperature  
Mean Temperature 73 °F -  
Max Temperature 78 °F 75 °F 92 °F (1934)
Min Temperature 68 °F 61 °F 46 °F (2002)
Cooling Degree Days 8    
Growing Degree Days 23 (Base 50)    
Moisture  
Dew Point 71 °F    
Average Humidity 95    
Maximum Humidity 100    
Minimum Humidity 78    
Precipitation  
Precipitation 0.21 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.10 in    
Wind  
Wind Speed 8 mph (SSW)    
Max Wind Speed 18 mph    
Max Gust Speed 20 mph    
Visibility 8 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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Date:

Astronomy

May. 20, 2013 Rise Set
Actual Time 5:53 AM EDT 8:11 PM EDT
Civil Twilight 5:23 AM EDT 8:40 PM EDT
Nautical Twilight 4:47 AM EDT 9:17 PM EDT
Astronomical Twilight 4:08 AM EDT 9:56 PM EDT
Moon 3:22 PM EDT (5/20) 2:39 AM EDT (5/20)
Length of Visible Light 15h 16m
Length of Day
14h 17m
Waxing Gibbous, 75% of the Moon is Illuminated
May 20
Waxing Gibbous
May 25
Full
May 31
Last Quarter
Jun 8
New
Jun 16
First Quarter

Hourly Weather History & Observations

Time (EDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:58 AM 68.2 °F 68.2 °F 100% 30.15 in 10.0 mi South 5.8 mph - N/A   Mostly Cloudy
1:58 AM 69.1 °F 69.1 °F 100% 30.14 in 10.0 mi South 5.8 mph - N/A   Mostly Cloudy
2:58 AM 69.3 °F 69.3 °F 100% 30.13 in 10.0 mi SSW 5.8 mph - N/A   Overcast
3:58 AM 69.3 °F 69.3 °F 100% 30.12 in 10.0 mi South 5.8 mph - N/A   Mostly Cloudy
4:58 AM 68.7 °F 68.7 °F 100% 30.12 in 10.0 mi SSW 8.1 mph - N/A   Mostly Cloudy
5:58 AM 68.4 °F 68.4 °F 100% 30.13 in 10.0 mi SSW 5.8 mph - N/A   Mostly Cloudy
6:58 AM 69.3 °F 69.3 °F 100% 30.14 in 10.0 mi Variable 5.8 mph - N/A   Overcast
7:58 AM 70.2 °F 70.2 °F 100% 30.15 in 10.0 mi SSW 10.4 mph - N/A   Overcast
8:58 AM 71.6 °F 71.2 °F 99% 30.16 in 10.0 mi SSW 11.5 mph - N/A   Overcast
9:58 AM 72.7 °F 70.9 °F 94% 30.16 in 10.0 mi SSW 11.5 mph - N/A   Mostly Cloudy
10:53 AM 75.2 °F 71.6 °F 89% 30.13 in 10.0 mi SSW 10.4 mph - N/A   Overcast
10:58 AM 75.2 °F 71.6 °F 89% 30.15 in 10.0 mi SW 12.7 mph - N/A   Overcast
11:13 AM 75.2 °F 71.6 °F 89% 30.12 in 10.0 mi SW 12.7 mph 18.4 mph N/A   Mostly Cloudy
11:43 AM 77.0 °F 71.6 °F 83% 30.12 in 10.0 mi SW 11.5 mph 19.6 mph N/A   Mostly Cloudy
11:58 AM 78.3 °F 71.2 °F 79% 30.13 in 10.0 mi SSW 12.7 mph - N/A   Mostly Cloudy
12:08 PM 78.8 °F 71.6 °F 78% 30.11 in 10.0 mi SW 8.1 mph - N/A   Mostly Cloudy
12:13 PM 78.8 °F 71.6 °F 78% 30.11 in 10.0 mi WSW 10.4 mph - N/A   Mostly Cloudy
12:33 PM 77.0 °F 71.6 °F 83% 30.10 in 10.0 mi SW 9.2 mph - N/A Rain Light Rain
12:44 PM 77.0 °F 73.4 °F 89% 30.11 in 10.0 mi WSW 9.2 mph - N/A Rain Light Rain
12:48 PM 75.2 °F 73.4 °F 94% 30.11 in 10.0 mi West 9.2 mph - N/A Rain Light Rain
12:58 PM 75.0 °F 74.1 °F 97% 30.13 in 4.0 mi WSW 15.0 mph - 0.02 in Rain Light Rain
1:03 PM 73.4 °F 73.4 °F 100% 30.11 in 5.0 mi SW 18.4 mph - N/A Rain Light Rain
1:08 PM 71.6 °F 71.6 °F 100% 30.12 in 4.0 mi SW 18.4 mph - N/A Rain Rain
1:43 PM 69.8 °F 69.8 °F 100% 30.10 in 2.5 mi South 9.2 mph - N/A Rain Light Rain
1:47 PM 69.8 °F 69.8 °F 100% 30.10 in 3.0 mi South 11.5 mph - N/A Rain Light Rain
1:53 PM 69.8 °F 69.8 °F 100% 30.11 in 2.5 mi South 8.1 mph - N/A Rain Light Rain
1:58 PM 69.4 °F 69.4 °F 100% 30.12 in 1.8 mi South 6.9 mph - 0.11 in Rain Rain
2:01 PM 69.8 °F 69.8 °F 100% 30.10 in 5.0 mi South 5.8 mph - N/A Rain Light Rain
2:03 PM 69.8 °F 69.8 °F 100% 30.10 in 1.8 mi South 8.1 mph - N/A Rain Light Rain
2:08 PM 69.8 °F 69.8 °F 100% 30.10 in 2.0 mi SSE 8.1 mph - N/A Rain Light Rain
2:13 PM 69.8 °F 69.8 °F 100% 30.10 in 5.0 mi South 6.9 mph - N/A Rain Light Rain
2:18 PM 69.8 °F 69.8 °F 100% 30.09 in 2.0 mi South 8.1 mph - N/A Rain Rain
2:24 PM 69.8 °F 69.8 °F 100% 30.09 in 5.0 mi South 8.1 mph - N/A Rain Rain
2:28 PM 69.8 °F 69.8 °F 100% 30.09 in 2.0 mi South 8.1 mph - N/A Rain Light Rain
2:33 PM 69.8 °F 69.8 °F 100% 30.09 in 2.5 mi South 8.1 mph - N/A Rain Light Rain
2:38 PM 69.8 °F 69.8 °F 100% 30.09 in 4.0 mi South 9.2 mph - N/A Rain Light Rain
2:58 PM 70.0 °F 70.0 °F 100% 30.11 in 5.0 mi South 8.1 mph - 0.07 in Rain Light Rain
3:40 PM 73.4 °F 73.4 °F 100% 30.06 in 10.0 mi SSW 8.1 mph - N/A   Mostly Cloudy
3:58 PM 75.0 °F 73.6 °F 95% 30.08 in 10.0 mi SSW 5.8 mph - 0.01 in   Mostly Cloudy
4:58 PM 74.1 °F 72.9 °F 96% 30.07 in 10.0 mi South 8.1 mph - N/A   Mostly Cloudy
5:45 PM 73.4 °F 69.8 °F 88% 30.05 in 10.0 mi SSW 6.9 mph - N/A Rain Light Rain
5:58 PM 72.7 °F 70.0 °F 91% 30.07 in 10.0 mi SSW 6.9 mph - 0.00 in Rain Light Rain
6:28 PM 73.4 °F 69.8 °F 88% 30.05 in 10.0 mi South 8.1 mph - N/A   Clear
6:37 PM 73.4 °F 69.8 °F 88% 30.05 in 10.0 mi South 6.9 mph - N/A Rain Light Rain
6:50 PM 73.4 °F 69.8 °F 88% 30.05 in 10.0 mi SSW 6.9 mph - N/A   Clear
6:58 PM 72.5 °F 70.5 °F 93% 30.07 in 10.0 mi South 5.8 mph - 0.00 in   Scattered Clouds
7:58 PM 71.2 °F 71.2 °F 100% 30.08 in 10.0 mi South 5.8 mph - N/A   Mostly Cloudy
8:58 PM 71.1 °F 71.1 °F 100% 30.08 in 10.0 mi South 5.8 mph - N/A   Overcast
9:58 PM 70.5 °F 70.5 °F 100% 30.07 in 10.0 mi South 9.2 mph - N/A   Clear
10:58 PM 69.4 °F 69.4 °F 100% 30.07 in 10.0 mi SSW 9.2 mph - N/A   Clear
11:58 PM 69.4 °F 69.4 °F 100% 30.07 in 10.0 mi SSW 11.5 mph - N/A   Clear