Weather History for Fort Belvoir, VA

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Thursday, August 8, 2013

  Actual Average Record
Temperature  
Mean Temperature 78 °F -  
Max Temperature 84 °F 86 °F 101 °F (2007)
Min Temperature 73 °F 66 °F 57 °F (2002)
Cooling Degree Days 13    
Growing Degree Days 28 (Base 50)    
Moisture  
Dew Point 74 °F    
Average Humidity 87    
Maximum Humidity 100    
Minimum Humidity 70    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.03 in    
Wind  
Wind Speed 4 mph (SSE)    
Max Wind Speed 9 mph    
Max Gust Speed -    
Visibility 9 miles    
Events Rain , Thunderstorm    
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

Aug. 08, 2013 Rise Set
Actual Time 6:16 AM EDT 8:11 PM EDT
Civil Twilight 5:47 AM EDT 8:40 PM EDT
Nautical Twilight 5:12 AM EDT 9:15 PM EDT
Astronomical Twilight 4:34 AM EDT 9:53 PM EDT
Moon 7:59 AM EDT (8/8) 8:51 PM EDT (8/8)
Length of Visible Light 14h 52m
Length of Day
13h 54m
Waxing Crescent, 3% of the Moon is Illuminated
Aug 8
Waxing Crescent
Aug 14
First Quarter
Aug 20
Full
Aug 28
Last Quarter
Sep 5
New

Hourly Weather History & Observations

Time (EDT) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:58 AM 76.6 °F - 71.6 °F 84% 30.06 in 10.0 mi SSE 3.5 mph - N/A   Scattered Clouds
1:58 AM 75.9 °F - 72.0 °F 87% 30.04 in 10.0 mi Variable 3.5 mph - N/A   Mostly Cloudy
2:58 AM 75.9 °F - 71.8 °F 87% 30.04 in 10.0 mi South 4.6 mph - N/A   Mostly Cloudy
3:58 AM 75.9 °F - 71.6 °F 86% 30.04 in 10.0 mi SSE 6.9 mph - N/A   Mostly Cloudy
4:01 AM 75.2 °F - 71.6 °F 89% 30.03 in 10.0 mi Variable 5.8 mph - N/A Rain Light Rain
4:23 AM 75.2 °F - 71.6 °F 89% 30.03 in 10.0 mi Variable 4.6 mph - N/A   Partly Cloudy
4:29 AM 75.2 °F - 71.6 °F 89% 30.03 in 10.0 mi Variable 3.5 mph - N/A Rain Light Rain
4:49 AM 75.2 °F - 73.4 °F 94% 30.02 in 10.0 mi SSE 4.6 mph - N/A   Scattered Clouds
4:58 AM 74.7 °F - 72.7 °F 94% 30.03 in 10.0 mi SSE 4.6 mph - 0.00 in   Mostly Cloudy
5:01 AM 75.2 °F - 73.4 °F 94% 30.02 in 10.0 mi Variable 3.5 mph - N/A Rain Light Rain
5:26 AM 73.4 °F - 73.4 °F 100% 30.02 in 10.0 mi SSE 5.8 mph - N/A   Clear
5:58 AM 73.9 °F - 72.9 °F 96% 30.04 in 10.0 mi SSE 4.6 mph - 0.00 in   Clear
6:58 AM 74.1 °F - 73.2 °F 97% 30.05 in 10.0 mi SSE 2.3 mph - N/A   Scattered Clouds
7:58 AM 75.4 °F - 73.0 °F 92% 30.06 in 10.0 mi SSE 2.3 mph - N/A   Scattered Clouds
8:08 AM 77.0 °F - 73.4 °F 89% 30.05 in 10.0 mi Variable 2.3 mph - N/A   Mostly Cloudy
8:18 AM 77.0 °F - 73.4 °F 89% 30.05 in 10.0 mi Variable 2.3 mph - N/A   Scattered Clouds
8:33 AM 77.0 °F - 73.4 °F 89% 30.05 in 10.0 mi Variable 5.8 mph - N/A   Mostly Cloudy
8:58 AM 77.2 °F - 72.3 °F 85% 30.06 in 10.0 mi South 5.8 mph - N/A   Mostly Cloudy
9:58 AM 78.6 °F - 72.3 °F 81% 30.06 in 10.0 mi South 9.2 mph - N/A   Mostly Cloudy
10:08 AM 78.8 °F - 71.6 °F 78% 30.05 in 10.0 mi South 8.1 mph - N/A   Scattered Clouds
10:58 AM 82.4 °F 87.7 °F 72.5 °F 72% 30.05 in 10.0 mi SSW 8.1 mph - N/A   Clear
11:58 AM 82.9 °F 88.5 °F 72.5 °F 71% 30.05 in 10.0 mi SSE 9.2 mph - N/A   Partly Cloudy
12:58 PM 83.1 °F 88.6 °F 72.5 °F 70% 30.05 in 10.0 mi Variable 5.8 mph - N/A   Partly Cloudy
1:22 PM 80.6 °F 85.4 °F 73.4 °F 79% 30.04 in 10.0 mi South 5.8 mph - N/A Rain Light Rain
1:37 PM 80.6 °F 86.2 °F 75.2 °F 84% 30.04 in 10.0 mi Variable 1.2 mph - N/A   Mostly Cloudy
1:51 PM 80.6 °F 86.2 °F 75.2 °F 84% 30.04 in 7.0 mi South 4.6 mph - N/A Rain Light Rain
1:58 PM 80.1 °F 84.8 °F 74.7 °F 83% 30.05 in 5.0 mi South 3.5 mph - 0.00 in Rain Light Rain
2:08 PM 78.8 °F - 75.2 °F 89% 30.04 in 2.5 mi Variable 1.2 mph - N/A Rain Light Rain
2:13 PM 78.8 °F - 75.2 °F 89% 30.03 in 4.0 mi Variable 1.2 mph - N/A Rain Light Rain
2:19 PM 80.6 °F 86.2 °F 75.2 °F 84% 30.03 in 10.0 mi Variable 1.2 mph - N/A   Mostly Cloudy
2:58 PM 82.8 °F 89.0 °F 73.6 °F 74% 30.04 in 10.0 mi SSW 4.6 mph - 0.00 in   Mostly Cloudy
3:58 PM 83.1 °F 89.5 °F 73.6 °F 73% 30.02 in 10.0 mi SSE 4.6 mph - N/A   Scattered Clouds
4:08 PM 82.4 °F 88.2 °F 73.4 °F 74% 30.01 in 10.0 mi SSE 6.9 mph - N/A Rain Light Rain
4:18 PM 80.6 °F 85.4 °F 73.4 °F 79% 30.01 in 10.0 mi SSE 6.9 mph - N/A   Scattered Clouds
4:27 PM 82.4 °F 88.2 °F 73.4 °F 74% 30.01 in 10.0 mi SE 5.8 mph - N/A Rain , Thunderstorm Light Rain
4:36 PM 80.6 °F 86.2 °F 75.2 °F 84% 30.00 in 10.0 mi SE 9.2 mph - N/A Thunderstorm Partly Cloudy
4:58 PM 81.1 °F 87.0 °F 74.8 °F 81% 30.00 in 10.0 mi SE 6.9 mph - 0.00 in   Partly Cloudy
5:58 PM 80.4 °F 85.8 °F 75.2 °F 84% 30.01 in 10.0 mi ESE 1.2 mph - N/A   Partly Cloudy
6:58 PM 80.8 °F 86.1 °F 74.5 °F 81% 30.00 in 10.0 mi SSE 4.6 mph - N/A   Scattered Clouds
7:58 PM 78.3 °F - 76.8 °F 95% 30.01 in 10.0 mi SSE 1.2 mph - N/A   Mostly Cloudy
8:58 PM 77.4 °F - 77.2 °F 99% 30.02 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
9:58 PM 77.5 °F - 76.1 °F 95% 30.01 in 10.0 mi SE 4.6 mph - N/A   Mostly Cloudy
10:30 PM 77.0 °F - 77.0 °F 100% 30.01 in 9.0 mi SE 4.6 mph - N/A   Mostly Cloudy
10:58 PM 77.2 °F - 76.5 °F 98% 30.01 in 9.0 mi SE 2.3 mph - N/A   Mostly Cloudy
11:38 PM 77.0 °F - 77.0 °F 100% 29.99 in 9.0 mi SE 3.5 mph - N/A   Mostly Cloudy
11:58 PM 77.0 °F - 76.5 °F 98% 30.00 in 8.0 mi SSE 3.5 mph - N/A   Mostly Cloudy