Langley AFB, VA

5:20 AM EDT on October 18, 2017 (GMT -0400)
Langley Air Force Base

Weather History for KLFI - May, 2013

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Tuesday, May 21, 2013

  Actual Average Record
Temperature  
Mean Temperature 74 °F -  
Max Temperature 81 °F 75 °F 91 °F (1934)
Min Temperature 68 °F 60 °F 45 °F (1956)
Cooling Degree Days 9    
Growing Degree Days 24 (Base 50)    
Moisture  
Dew Point 70 °F    
Average Humidity 89    
Maximum Humidity 100    
Minimum Humidity 70    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.02 in    
Wind  
Wind Speed 9 mph (SSW)    
Max Wind Speed 15 mph    
Max Gust Speed 20 mph    
Visibility 10 miles    
Events      
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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Daily Weather History Graph

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Astronomy

May. 21, 2013 Rise Set
Actual Time 5:52 AM EDT 8:11 PM EDT
Civil Twilight 5:23 AM EDT 8:41 PM EDT
Nautical Twilight 4:46 AM EDT 9:17 PM EDT
Astronomical Twilight 4:07 AM EDT 9:57 PM EDT
Moon 4:27 PM EDT (5/21) 3:13 AM EDT (5/21)
Length of Visible Light 15h 18m
Length of Day
14h 19m
Waxing Gibbous, 84% of the Moon is Illuminated
May 21
Waxing Gibbous
May 25
Full
May 31
Last Quarter
Jun 8
New
Jun 16
First Quarter

Hourly Weather History & Observations

Time (EDT) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:58 AM 69.8 °F - 69.8 °F 100% 30.06 in 10.0 mi SSW 9.2 mph - N/A   Partly Cloudy
1:58 AM 68.9 °F - 68.9 °F 100% 30.05 in 10.0 mi SSW 8.1 mph - N/A   Scattered Clouds
2:03 AM 69.8 °F - 69.8 °F 100% 30.03 in 10.0 mi SSW 5.8 mph - N/A   Mostly Cloudy
2:13 AM 68.0 °F - 68.0 °F 100% 30.03 in 10.0 mi SSW 8.1 mph - N/A   Scattered Clouds
2:58 AM 68.7 °F - 68.7 °F 100% 30.05 in 10.0 mi SSW 6.9 mph - N/A   Mostly Cloudy
3:23 AM 69.8 °F - 69.8 °F 100% 30.02 in 10.0 mi South 6.9 mph - N/A   Overcast
3:48 AM 68.0 °F - 68.0 °F 100% 30.02 in 9.0 mi South 9.2 mph - N/A   Overcast
3:58 AM 68.7 °F - 68.7 °F 100% 30.04 in 9.0 mi South 6.9 mph - N/A   Overcast
4:38 AM 69.8 °F - 69.8 °F 100% 30.02 in 9.0 mi South 6.9 mph - N/A   Overcast
4:53 AM 69.8 °F - 69.8 °F 100% 30.02 in 9.0 mi South 6.9 mph - N/A   Overcast
4:58 AM 69.1 °F - 69.1 °F 100% 30.04 in 9.0 mi South 6.9 mph - N/A   Overcast
5:48 AM 69.8 °F - 69.8 °F 100% 30.03 in 8.0 mi SSW 5.8 mph - N/A   Overcast
5:58 AM 69.3 °F - 69.3 °F 100% 30.06 in 7.0 mi SSW 8.1 mph - N/A   Overcast
6:58 AM 69.8 °F - 69.8 °F 100% 30.06 in 7.0 mi SSW 6.9 mph - N/A   Overcast
7:13 AM 69.8 °F - 69.8 °F 100% 30.04 in 7.0 mi SSW 5.8 mph - N/A   Overcast
7:28 AM 69.8 °F - 69.8 °F 100% 30.05 in 7.0 mi South 6.9 mph - N/A   Overcast
7:58 AM 70.5 °F - 70.5 °F 100% 30.07 in 7.0 mi SW 5.8 mph - N/A   Overcast
8:18 AM 71.6 °F - 71.6 °F 100% 30.05 in 8.0 mi SSW 8.1 mph - N/A   Overcast
8:58 AM 71.8 °F - 71.4 °F 99% 30.07 in 10.0 mi SSW 10.4 mph - N/A   Overcast
9:53 AM 73.4 °F - 71.6 °F 94% 30.04 in 10.0 mi SSW 10.4 mph - N/A   Overcast
9:58 AM 73.2 °F - 71.2 °F 93% 30.06 in 10.0 mi South 8.1 mph - N/A   Overcast
10:03 AM 73.4 °F - 71.6 °F 94% 30.04 in 10.0 mi South 10.4 mph - N/A   Overcast
10:08 AM 73.4 °F - 71.6 °F 94% 30.03 in 10.0 mi SSW 12.7 mph - N/A   Overcast
10:58 AM 74.1 °F - 70.2 °F 87% 30.05 in 10.0 mi SSW 11.5 mph - N/A   Overcast
11:43 AM 75.2 °F - 69.8 °F 83% 30.03 in 10.0 mi SW 12.7 mph - N/A   Overcast
11:53 AM 77.0 °F - 69.8 °F 78% 30.03 in 10.0 mi SSW 12.7 mph - N/A   Overcast
11:58 AM 76.5 °F - 70.5 °F 82% 30.04 in 10.0 mi SSW 15.0 mph - N/A   Mostly Cloudy
12:13 PM 77.0 °F - 69.8 °F 78% 30.02 in 10.0 mi SW 12.7 mph - N/A   Mostly Cloudy
12:53 PM 78.8 °F - 71.6 °F 78% 30.01 in 10.0 mi WSW 12.7 mph - N/A   Overcast
12:58 PM 78.1 °F - 71.1 °F 79% 30.03 in 10.0 mi SW 10.4 mph - N/A   Mostly Cloudy
1:28 PM 78.8 °F - 71.6 °F 78% 30.00 in 10.0 mi WSW 9.2 mph 18.4 mph N/A   Mostly Cloudy
1:33 PM 78.8 °F - 71.6 °F 78% 30.00 in 10.0 mi SSW 9.2 mph - N/A   Mostly Cloudy
1:38 PM 78.8 °F - 71.6 °F 78% 30.00 in 10.0 mi WSW 11.5 mph - N/A   Mostly Cloudy
1:43 PM 78.8 °F - 69.8 °F 74% 30.00 in 10.0 mi SW 11.5 mph - N/A   Mostly Cloudy
1:58 PM 79.3 °F - 70.2 °F 73% 30.02 in 10.0 mi SW 13.8 mph - N/A   Overcast
2:13 PM 80.6 °F 83.9 °F 69.8 °F 70% 30.00 in 10.0 mi SSW 10.4 mph 19.6 mph N/A   Mostly Cloudy
2:28 PM 78.8 °F - 71.6 °F 78% 29.99 in 10.0 mi WSW 11.5 mph - N/A   Mostly Cloudy
2:33 PM 78.8 °F - 69.8 °F 74% 30.00 in 10.0 mi SW 11.5 mph - N/A   Mostly Cloudy
2:43 PM 78.8 °F - 69.8 °F 74% 29.99 in 10.0 mi SW 12.7 mph - N/A   Mostly Cloudy
2:58 PM 79.0 °F - 70.9 °F 76% 30.01 in 10.0 mi SW 11.5 mph - N/A   Scattered Clouds
3:58 PM 80.6 °F 84.7 °F 72.0 °F 75% 29.99 in 10.0 mi SW 6.9 mph - N/A   Partly Cloudy
4:58 PM 79.0 °F - 70.7 °F 76% 29.97 in 10.0 mi SW 9.2 mph - N/A   Partly Cloudy
5:58 PM 77.9 °F - 71.2 °F 80% 29.97 in 10.0 mi SW 6.9 mph - N/A   Partly Cloudy
6:43 PM 75.2 °F - 71.6 °F 89% 29.95 in 10.0 mi South 11.5 mph - N/A   Mostly Cloudy
6:48 PM 75.2 °F - 71.6 °F 89% 29.95 in 10.0 mi South 10.4 mph - N/A   Scattered Clouds
6:58 PM 76.8 °F - 70.9 °F 82% 29.97 in 10.0 mi South 10.4 mph - N/A   Partly Cloudy
7:58 PM 73.8 °F - 72.0 °F 94% 29.98 in 10.0 mi South 10.4 mph - N/A   Clear
8:58 PM 72.9 °F - 72.3 °F 98% 29.97 in 10.0 mi SSW 9.2 mph - N/A   Clear
9:58 PM 72.7 °F - 72.1 °F 98% 29.97 in 10.0 mi South 11.5 mph - N/A   Clear
10:58 PM 73.0 °F - 70.9 °F 93% 29.98 in 10.0 mi SSW 15.0 mph - N/A   Clear
11:58 PM 72.3 °F - 71.6 °F 98% 29.99 in 10.0 mi SSW 11.5 mph - N/A   Clear