Weather History for Fort Belvoir, VA

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Tuesday, June 11, 2013

  Actual Average Record
Temperature  
Mean Temperature 74 °F -  
Max Temperature 85 °F 80 °F 96 °F (2000)
Min Temperature 64 °F 60 °F 53 °F (1997)
Cooling Degree Days 9    
Growing Degree Days 24 (Base 50)    
Moisture  
Dew Point 65 °F    
Average Humidity 82    
Maximum Humidity 94    
Minimum Humidity 57    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.83 in    
Wind  
Wind Speed 2 mph (SW)    
Max Wind Speed 15 mph    
Max Gust Speed 21 mph    
Visibility 7 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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Date:

Astronomy

Jun. 11, 2013 Rise Set
Actual Time 5:43 AM EDT 8:33 PM EDT
Civil Twilight 5:11 AM EDT 9:05 PM EDT
Nautical Twilight 4:31 AM EDT 9:45 PM EDT
Astronomical Twilight 3:46 AM EDT 10:31 PM EDT
Moon 8:23 AM EDT (6/11) 10:36 PM EDT (6/11)
Length of Visible Light 15h 53m
Length of Day
14h 50m
Waxing Crescent, 8% of the Moon is Illuminated
Jun 11
Waxing Crescent
Jun 16
First Quarter
Jun 23
Full
Jun 30
Last Quarter
Jul 8
New

Hourly Weather History & Observations

Time (EDT) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:38 AM 68.0 °F - 66.2 °F 94% 29.84 in 10.0 mi Variable 1.2 mph - N/A   Mostly Cloudy
12:58 AM 68.5 °F - 65.7 °F 90% 29.85 in 10.0 mi Calm Calm - N/A   Overcast
1:03 AM 68.0 °F - 66.2 °F 94% 29.84 in 9.0 mi South 1.2 mph - N/A   Overcast
1:08 AM 68.0 °F - 66.2 °F 94% 29.84 in 9.0 mi Calm Calm - N/A   Overcast
1:23 AM 68.0 °F - 64.4 °F 88% 29.83 in 7.0 mi ESE 1.2 mph - N/A   Scattered Clouds
1:28 AM 66.2 °F - 64.4 °F 94% 29.83 in 2.5 mi Calm Calm - N/A   Partly Cloudy
1:33 AM 66.2 °F - 64.4 °F 94% 29.83 in 2.5 mi East 1.2 mph - N/A   Partly Cloudy
1:38 AM 66.2 °F - 64.4 °F 94% 29.83 in 5.0 mi Calm Calm - N/A   Clear
1:43 AM 68.0 °F - 64.4 °F 88% 29.83 in 10.0 mi Calm Calm - N/A   Clear
1:48 AM 66.2 °F - 64.4 °F 94% 29.83 in 6.0 mi Calm Calm - N/A   Clear
1:58 AM 66.7 °F - 64.8 °F 93% 29.84 in 10.0 mi South 1.2 mph - N/A   Partly Cloudy
2:28 AM 66.2 °F - 62.6 °F 88% 29.82 in 2.5 mi SSE 1.2 mph - N/A   Clear
2:33 AM 64.4 °F - 62.6 °F 94% 29.82 in 2.0 mi East 1.2 mph - N/A   Clear
2:38 AM 66.2 °F - 62.6 °F 88% 29.82 in 3.0 mi SSE 1.2 mph - N/A   Clear
2:48 AM 66.2 °F - 64.4 °F 94% 29.82 in 5.0 mi SW 1.2 mph - N/A   Clear
2:58 AM 65.1 °F - 63.1 °F 93% 29.83 in 8.0 mi Calm Calm - N/A   Clear
3:08 AM 64.4 °F - 62.6 °F 94% 29.82 in 1.8 mi ESE 1.2 mph - N/A   Clear
3:13 AM 64.4 °F - 62.6 °F 94% 29.82 in 1.0 mi SSE 2.3 mph - N/A   Clear
3:18 AM 64.4 °F - 62.6 °F 94% 29.82 in 1.5 mi Calm Calm - N/A   Clear
3:23 AM 64.4 °F - 62.6 °F 94% 29.82 in 4.0 mi SSE 1.2 mph - N/A   Clear
3:38 AM 64.4 °F - 62.6 °F 94% 29.82 in 10.0 mi South 2.3 mph - N/A   Clear
3:58 AM 65.3 °F - 63.1 °F 93% 29.82 in 8.0 mi Calm Calm - N/A   Clear
4:03 AM 64.4 °F - 62.6 °F 94% 29.81 in 2.5 mi Calm Calm - N/A   Clear
4:08 AM 64.4 °F - 62.6 °F 94% 29.82 in 2.0 mi Calm Calm - N/A   Clear
4:13 AM 64.4 °F - 62.6 °F 94% 29.82 in 5.0 mi Calm Calm - N/A   Clear
4:18 AM 64.4 °F - 62.6 °F 94% 29.82 in 9.0 mi Variable 2.3 mph - N/A   Clear
4:58 AM 66.7 °F - 64.0 °F 91% 29.83 in 10.0 mi SW 2.3 mph - N/A   Clear
5:58 AM 66.9 °F - 64.0 °F 90% 29.84 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
6:58 AM 68.0 °F - 64.6 °F 89% 29.85 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
7:58 AM 69.8 °F - 65.5 °F 86% 29.85 in 10.0 mi Calm Calm - N/A   Partly Cloudy
9:58 AM 78.3 °F - 66.6 °F 67% 29.84 in 10.0 mi West 8.1 mph - N/A   Clear
10:58 AM 80.6 °F 82.5 °F 65.5 °F 60% 29.83 in 10.0 mi West 5.8 mph - N/A   Clear
11:58 AM 82.4 °F 84.6 °F 66.4 °F 58% 29.83 in 10.0 mi WSW 9.2 mph 18.4 mph N/A   Partly Cloudy
12:58 PM 83.1 °F 85.7 °F 66.9 °F 58% 29.83 in 10.0 mi WNW 12.7 mph - N/A   Scattered Clouds
1:58 PM 82.8 °F 84.9 °F 66.0 °F 57% 29.82 in 9.0 mi WNW 15.0 mph 19.6 mph N/A   Scattered Clouds
2:58 PM 84.2 °F 87.1 °F 67.3 °F 57% 29.81 in 6.0 mi West 9.2 mph - N/A   Haze
3:28 PM 84.2 °F 87.3 °F 68.0 °F 58% 29.80 in 2.5 mi West 8.1 mph - N/A   Haze
3:33 PM 84.2 °F 87.3 °F 68.0 °F 58% 29.80 in 3.0 mi NW 12.7 mph 18.4 mph N/A   Haze
3:53 PM 84.2 °F 87.3 °F 68.0 °F 58% 29.79 in 2.0 mi WSW 10.4 mph 17.3 mph N/A   Haze
3:58 PM 84.2 °F 87.3 °F 68.0 °F 58% 29.81 in 7.0 mi WSW 9.2 mph 17.3 mph N/A   Clear
4:58 PM 84.9 °F 88.2 °F 68.4 °F 57% 29.80 in 10.0 mi WNW 15.0 mph 20.7 mph N/A   Scattered Clouds
5:58 PM 82.2 °F 85.1 °F 67.8 °F 62% 29.81 in 10.0 mi West 9.2 mph - N/A   Mostly Cloudy
6:58 PM 82.4 °F 85.4 °F 68.2 °F 62% 29.81 in 10.0 mi WNW 10.4 mph 17.3 mph N/A   Clear
7:58 PM 79.9 °F - 66.2 °F 63% 29.83 in 10.0 mi WNW 6.9 mph - N/A   Clear
8:58 PM 76.3 °F - 65.8 °F 70% 29.84 in 10.0 mi Calm Calm - N/A   Clear
9:58 PM 68.4 °F - 64.9 °F 89% 29.86 in 10.0 mi Calm Calm - N/A   Clear
10:58 PM 67.3 °F - 64.9 °F 92% 29.88 in 10.0 mi Calm Calm - N/A   Partly Cloudy
11:58 PM 71.1 °F - 62.1 °F 73% 29.88 in 10.0 mi WSW 5.8 mph - N/A   Mostly Cloudy