Weather History for Fort Belvoir, VA

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Sunday, May 5, 2013

  Actual Average Record
Temperature  
Mean Temperature 53 °F -  
Max Temperature 63 °F 74 °F 89 °F (2000)
Min Temperature 44 °F 49 °F 37 °F (2005)
Degree Days  
Heating Degree Days 12    
Growing Degree Days 3 (Base 50)    
Moisture  
Dew Point 41 °F    
Average Humidity 69    
Maximum Humidity 93    
Minimum Humidity 48    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.22 in    
Wind  
Wind Speed 2 mph (North)    
Max Wind Speed 7 mph    
Max Gust Speed -    
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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Astronomy

May. 05, 2013 Rise Set
Actual Time 6:06 AM EDT 8:04 PM EDT
Civil Twilight 5:37 AM EDT 8:34 PM EDT
Nautical Twilight 5:02 AM EDT 9:09 PM EDT
Astronomical Twilight 4:23 AM EDT 9:47 PM EDT
Moon 3:33 AM EDT (5/5) 4:04 PM EDT (5/5)
Length of Visible Light 14h 56m
Length of Day
13h 58m
Waning Crescent, 18% of the Moon is Illuminated
May 5
Waning Crescent
May 9
New
May 18
First Quarter
May 25
Full
May 31
Last Quarter

Hourly Weather History & Observations

Time (EDT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:55 AM 47.1 °F - 39.6 °F 75% 30.25 in 10.0 mi Calm Calm - N/A   Clear
1:55 AM 45.3 °F - 39.4 °F 80% 30.24 in 10.0 mi Calm Calm - N/A   Clear
2:55 AM 44.1 °F - 39.7 °F 85% 30.23 in 10.0 mi Calm Calm - N/A   Clear
3:55 AM 45.5 °F - 39.6 °F 80% 30.24 in 10.0 mi Calm Calm - N/A   Clear
4:43 AM 44.6 °F 42.2 °F 39.2 °F 81% 30.23 in 10.0 mi Variable 4.6 mph - N/A   Mostly Cloudy
4:55 AM 45.9 °F 44.6 °F 39.6 °F 79% 30.22 in 10.0 mi Variable 3.5 mph - N/A   Mostly Cloudy
5:55 AM 46.8 °F - 39.4 °F 75% 30.23 in 10.0 mi Variable 3.5 mph - N/A   Overcast
6:10 AM 46.4 °F 45.2 °F 39.2 °F 76% 30.24 in 10.0 mi Variable 3.5 mph - N/A   Scattered Clouds
6:55 AM 45.7 °F - 39.6 °F 79% 30.24 in 10.0 mi Calm Calm - N/A   Clear
7:19 AM 48.2 °F - 39.2 °F 71% 30.24 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
7:55 AM 48.6 °F - 39.6 °F 71% 30.25 in 10.0 mi Variable 6.9 mph - N/A   Overcast
8:55 AM 48.9 °F - 38.3 °F 67% 30.27 in 10.0 mi Variable 4.6 mph - N/A   Overcast
9:55 AM 51.3 °F - 39.0 °F 63% 30.26 in 10.0 mi Variable 4.6 mph - N/A   Overcast
10:33 AM 51.8 °F - 39.2 °F 62% 30.27 in 10.0 mi Variable 3.5 mph - N/A   Overcast
10:55 AM 53.1 °F - 39.0 °F 59% 30.27 in 10.0 mi Variable 4.6 mph - N/A   Mostly Cloudy
11:55 AM 55.8 °F - 40.1 °F 56% 30.25 in 10.0 mi Variable 4.6 mph - N/A   Scattered Clouds
12:55 PM 57.6 °F - 41.0 °F 54% 30.24 in 10.0 mi Variable 3.5 mph - N/A   Partly Cloudy
1:55 PM 59.5 °F - 42.3 °F 53% 30.22 in 10.0 mi Variable 3.5 mph - N/A   Partly Cloudy
2:55 PM 61.3 °F - 42.3 °F 50% 30.20 in 10.0 mi Variable 4.6 mph - N/A   Clear
3:55 PM 62.8 °F - 42.6 °F 48% 30.19 in 10.0 mi Variable 5.8 mph - N/A   Clear
4:55 PM 62.4 °F - 42.8 °F 49% 30.17 in 10.0 mi Variable 5.8 mph - N/A   Clear
5:55 PM 61.9 °F - 43.9 °F 52% 30.18 in 10.0 mi Variable 5.8 mph - N/A   Clear
6:55 PM 60.4 °F - 44.2 °F 55% 30.17 in 10.0 mi Variable 5.8 mph - N/A   Clear
7:55 PM 57.7 °F - 44.4 °F 61% 30.18 in 10.0 mi Variable 3.5 mph - N/A   Clear
8:55 PM 55.2 °F - 45.1 °F 69% 30.18 in 10.0 mi Calm Calm - N/A   Clear
9:55 PM 52.9 °F - 45.5 °F 76% 30.20 in 10.0 mi Calm Calm - N/A   Clear
10:55 PM 48.6 °F - 45.1 °F 88% 30.20 in 10.0 mi Calm Calm - N/A   Clear
11:28 PM 48.2 °F - 46.4 °F 93% 30.20 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
11:55 PM 51.1 °F - 46.2 °F 83% 30.19 in 10.0 mi Calm Calm - N/A   Scattered Clouds