Weather History for Fort Belvoir, VA

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Monday, November 12, 2012

  Actual Average Record
Temperature  
Mean Temperature 56 °F -  
Max Temperature 71 °F 57 °F 71 °F (2012)
Min Temperature 40 °F 34 °F 26 °F (1996)
Degree Days  
Heating Degree Days 10    
Growing Degree Days 6 (Base 50)    
Moisture  
Dew Point 47 °F    
Average Humidity 83    
Maximum Humidity 100    
Minimum Humidity 53    
Precipitation  
Precipitation 0.01 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.35 in    
Wind  
Wind Speed 2 mph (SE)    
Max Wind Speed 9 mph    
Max Gust Speed -    
Visibility 9 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

Nov. 12, 2012 Rise Set
Actual Time 6:48 AM EST 4:57 PM EST
Civil Twilight 6:19 AM EST 5:25 PM EST
Nautical Twilight 5:47 AM EST 5:57 PM EST
Astronomical Twilight 5:16 AM EST 6:28 PM EST
Moon 5:11 AM EST (11/12) 4:00 PM EST (11/12)
Length of Visible Light 11h 05m
Length of Day
10h 09m
Waning Crescent, 2% of the Moon is Illuminated
Nov 12
Waning Crescent
Nov 13
New
Nov 20
First Quarter
Nov 28
Full
Dec 6
Last Quarter

Hourly Weather History & Observations

Time (EST) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:55 AM 43.7 °F 41.7 °F 93% 30.43 in 10.0 mi Calm Calm - N/A   Clear
1:55 AM 42.8 °F 41.7 °F 96% 30.43 in 10.0 mi Calm Calm - N/A   Clear
2:55 AM 42.8 °F 41.7 °F 96% 30.42 in 10.0 mi Calm Calm - N/A   Clear
3:15 AM 42.8 °F 41.0 °F 93% 30.42 in 9.0 mi Calm Calm - N/A   Clear
3:17 AM 42.8 °F 41.0 °F 93% 30.42 in 9.0 mi Calm Calm - N/A   Clear
3:55 AM 42.1 °F 41.4 °F 97% 30.42 in 9.0 mi Calm Calm - N/A   Clear
4:04 AM 41.0 °F 41.0 °F 100% 30.42 in 8.0 mi Calm Calm - N/A   Clear
4:08 AM 41.0 °F 41.0 °F 100% 30.42 in 8.0 mi Calm Calm - N/A   Clear
4:50 AM 41.0 °F 41.0 °F 100% 30.42 in 7.0 mi Calm Calm - N/A   Clear
4:55 AM 41.5 °F 41.0 °F 98% 30.42 in 6.0 mi Calm Calm - N/A   Clear
4:57 AM 41.0 °F 41.0 °F 100% 30.42 in 7.0 mi Calm Calm - N/A   Clear
5:55 AM 41.4 °F 40.8 °F 98% 30.41 in 7.0 mi Calm Calm - N/A   Clear
6:09 AM 41.0 °F 39.2 °F 93% 30.41 in 8.0 mi Calm Calm - N/A   Clear
6:19 AM 41.0 °F 39.2 °F 93% 30.41 in 8.0 mi Calm Calm - N/A   Clear
6:55 AM 40.8 °F 40.6 °F 99% 30.41 in 4.0 mi Calm Calm - N/A   Clear
7:55 AM 44.2 °F 44.1 °F 99% 30.42 in 10.0 mi Calm Calm - N/A   Clear
8:55 AM 56.3 °F 51.8 °F 85% 30.40 in 10.0 mi Variable 3.5 mph - N/A   Clear
9:55 AM 59.2 °F 52.2 °F 78% 30.40 in 10.0 mi Variable 5.8 mph - N/A   Clear
10:55 AM 64.2 °F 53.4 °F 68% 30.37 in 10.0 mi SE 6.9 mph - N/A   Clear
11:55 AM 68.9 °F 55.0 °F 61% 30.34 in 10.0 mi SE 8.1 mph - N/A   Clear
12:55 PM 71.2 °F 55.6 °F 58% 30.31 in 10.0 mi ESE 9.2 mph - N/A   Clear
1:55 PM 71.8 °F 53.6 °F 53% 30.27 in 10.0 mi SSE 9.2 mph - N/A   Partly Cloudy
2:55 PM 71.2 °F 53.4 °F 53% 30.24 in 10.0 mi SSE 8.1 mph - N/A   Scattered Clouds
3:55 PM 68.7 °F 53.4 °F 58% 30.22 in 10.0 mi ESE 4.6 mph - N/A   Partly Cloudy
4:55 PM 67.3 °F 53.4 °F 61% 30.22 in 10.0 mi SE 5.8 mph - N/A   Clear
5:55 PM 66.2 °F 54.1 °F 65% 30.22 in 10.0 mi ESE 5.8 mph - N/A   Mostly Cloudy
6:55 PM 64.0 °F 55.4 °F 73% 30.21 in 10.0 mi SE 6.9 mph - N/A   Mostly Cloudy
7:55 PM 63.7 °F 55.8 °F 75% 30.19 in 10.0 mi SE 8.1 mph - N/A   Mostly Cloudy
8:55 PM 64.2 °F 56.3 °F 75% 30.19 in 10.0 mi Variable 3.5 mph - N/A   Mostly Cloudy
9:55 PM 60.6 °F 58.1 °F 91% 30.18 in 10.0 mi SE 3.5 mph - 0.01 in   Mostly Cloudy