Weather History for Fort Belvoir, VA

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Wednesday, October 17, 2012

  Actual Average Record
Temperature  
Mean Temperature 53 °F -  
Max Temperature 68 °F 66 °F 82 °F (1996)
Min Temperature 39 °F 44 °F 39 °F (2001)
Degree Days  
Heating Degree Days 12    
Growing Degree Days 3 (Base 50)    
Moisture  
Dew Point 43 °F    
Average Humidity 87    
Maximum Humidity 100    
Minimum Humidity 46    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.98 in    
Wind  
Wind Speed 1 mph (SE)    
Max Wind Speed 8 mph    
Max Gust Speed -    
Visibility 8 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

Oct. 17, 2012 Rise Set
Actual Time 7:20 AM EDT 6:26 PM EDT
Civil Twilight 6:53 AM EDT 6:53 PM EDT
Nautical Twilight 6:22 AM EDT 7:24 PM EDT
Astronomical Twilight 5:51 AM EDT 7:55 PM EDT
Moon 9:50 AM EDT 8:03 PM EDT
Length of Visible Light 12h 00m
Length of Day
11h 06m
Waxing Crescent, 7% of the Moon is Illuminated
Oct 17
Waxing Crescent
Oct 21
First Quarter
Oct 29
Full
Nov 6
Last Quarter
Nov 13
New

Hourly Weather History & Observations

Time (EDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:24 AM 42.8 °F 41.0 °F 93% 29.96 in 8.0 mi Calm Calm - N/A   Clear
12:26 AM 42.8 °F 41.0 °F 93% 29.96 in 8.0 mi Calm Calm - N/A   Clear
12:55 AM 41.5 °F 41.2 °F 99% 29.96 in 10.0 mi Calm Calm - N/A   Clear
1:55 AM 41.5 °F 41.4 °F 99% 29.98 in 10.0 mi Calm Calm - N/A   Clear
2:21 AM 41.0 °F 41.0 °F 100% 29.98 in 8.0 mi Calm Calm - N/A   Clear
2:29 AM 41.0 °F 41.0 °F 100% 29.98 in 7.0 mi Calm Calm - N/A   Clear
2:55 AM 42.3 °F 42.1 °F 99% 29.97 in 10.0 mi Calm Calm - N/A   Clear
3:06 AM 41.0 °F 41.0 °F 100% 29.97 in 8.0 mi Calm Calm - N/A   Clear
3:11 AM 41.0 °F 41.0 °F 100% 29.97 in 8.0 mi Calm Calm - N/A   Clear
3:47 AM 41.0 °F 41.0 °F 100% 29.97 in 7.0 mi Calm Calm - N/A   Clear
3:55 AM 40.8 °F 40.5 °F 99% 29.97 in 7.0 mi Calm Calm - N/A   Clear
4:10 AM 41.0 °F 41.0 °F 100% 29.97 in 8.0 mi Calm Calm - N/A   Clear
4:28 AM 41.0 °F 41.0 °F 100% 29.98 in 7.0 mi Calm Calm - N/A   Clear
4:40 AM 41.0 °F 39.2 °F 93% 29.98 in 8.0 mi Calm Calm - N/A   Clear
4:51 AM 41.0 °F 39.2 °F 93% 29.98 in 7.0 mi Calm Calm - N/A   Clear
4:55 AM 40.1 °F 39.7 °F 99% 29.99 in 7.0 mi Calm Calm - N/A   Clear
5:03 AM 41.0 °F 41.0 °F 100% 29.99 in 8.0 mi Calm Calm - N/A   Clear
5:35 AM 41.0 °F 41.0 °F 100% 29.99 in 7.0 mi Calm Calm - N/A   Clear
5:55 AM 40.1 °F 39.9 °F 99% 29.99 in 7.0 mi Calm Calm - N/A   Clear
6:36 AM 41.0 °F 39.2 °F 93% 30.00 in 8.0 mi Calm Calm - N/A   Clear
6:44 AM 41.0 °F 39.2 °F 93% 30.00 in 8.0 mi Calm Calm - N/A   Clear
6:55 AM 40.5 °F 40.3 °F 99% 30.00 in 9.0 mi Calm Calm - N/A   Clear
7:55 AM 39.7 °F 39.4 °F 99% 30.01 in 6.0 mi Calm Calm - N/A   Clear
8:55 AM 43.9 °F 43.7 °F 99% 30.03 in 8.0 mi Calm Calm - N/A   Clear
9:55 AM 50.9 °F 45.5 °F 82% 30.04 in 10.0 mi Calm Calm - N/A   Clear
10:55 AM 57.4 °F 44.2 °F 62% 30.04 in 5.0 mi Calm Calm - N/A   Haze
11:55 AM 61.0 °F 42.1 °F 50% 30.02 in 4.0 mi Variable 3.5 mph - N/A   Haze
12:55 PM 64.2 °F 44.4 °F 49% 30.00 in 10.0 mi SE 8.1 mph - N/A   Clear
1:55 PM 66.0 °F 44.8 °F 46% 29.97 in 10.0 mi Variable 4.6 mph - N/A   Partly Cloudy
2:55 PM 67.6 °F 46.2 °F 46% 29.95 in 10.0 mi SE 6.9 mph - N/A   Clear
3:55 PM 67.6 °F 47.5 °F 48% 29.94 in 10.0 mi SE 6.9 mph - N/A   Clear
4:55 PM 67.3 °F 48.0 °F 50% 29.93 in 10.0 mi SSE 4.6 mph - N/A   Clear
5:55 PM 63.9 °F 48.9 °F 58% 29.94 in 10.0 mi SE 3.5 mph - N/A   Clear
6:55 PM 56.3 °F 50.5 °F 81% 29.94 in 10.0 mi ESE 3.5 mph - N/A   Clear
7:55 PM 52.9 °F 50.0 °F 90% 29.96 in 10.0 mi East 3.5 mph - N/A   Clear
8:55 PM 54.7 °F 50.9 °F 87% 29.96 in 10.0 mi ESE 5.8 mph - N/A   Clear
9:55 PM 52.9 °F 50.9 °F 93% 29.97 in 10.0 mi Calm Calm - N/A   Clear
10:55 PM 51.3 °F 50.4 °F 97% 29.96 in 10.0 mi Calm Calm - N/A   Clear
11:55 PM 50.7 °F 50.5 °F 99% 29.96 in 10.0 mi Calm Calm - N/A   Clear