Weather History for Fort Belvoir, VA

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Tuesday, February 19, 2013

  Actual Average Record
Temperature  
Mean Temperature 38 °F -  
Max Temperature 46 °F 48 °F 73 °F (1997)
Min Temperature 30 °F 29 °F 15 °F (2001)
Degree Days  
Heating Degree Days 27    
Moisture  
Dew Point 34 °F    
Average Humidity 78    
Maximum Humidity 93    
Minimum Humidity 52    
Precipitation  
Precipitation 0.04 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.92 in    
Wind  
Wind Speed 5 mph (South)    
Max Wind Speed 10 mph    
Max Gust Speed 17 mph    
Visibility 10 miles    
Events Rain    
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

Feb. 19, 2013 Rise Set
Actual Time 6:54 AM EST 5:51 PM EST
Civil Twilight 6:27 AM EST 6:18 PM EST
Nautical Twilight 5:56 AM EST 6:49 PM EST
Astronomical Twilight 5:25 AM EST 7:20 PM EST
Moon 12:23 PM EST (2/19) 2:22 AM EST (2/19)
Length of Visible Light 11h 50m
Length of Day
10h 56m
Waxing Gibbous, 67% of the Moon is Illuminated
Feb 19
Waxing Gibbous
Feb 25
Full
Mar 4
Last Quarter
Mar 11
New
Mar 19
First Quarter

Hourly Weather History & Observations

Time (EST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:55 AM 31.1 °F 27.7 °F 18.3 °F 59% 30.16 in 10.0 mi ESE 3.5 mph - N/A   Clear
1:55 AM 31.6 °F - 20.3 °F 63% 30.15 in 10.0 mi Calm Calm - N/A   Clear
2:55 AM 30.6 °F 27.1 °F 19.8 °F 64% 30.14 in 10.0 mi East 3.5 mph - N/A   Clear
3:55 AM 36.5 °F 32.7 °F 20.1 °F 52% 30.11 in 10.0 mi SE 4.6 mph - N/A   Clear
4:55 AM 35.8 °F 30.9 °F 21.6 °F 56% 30.07 in 10.0 mi SE 5.8 mph - N/A   Clear
5:55 AM 39.0 °F 34.8 °F 22.8 °F 52% 30.06 in 10.0 mi Variable 5.8 mph - N/A   Partly Cloudy
6:55 AM 39.2 °F 34.2 °F 23.5 °F 53% 30.05 in 10.0 mi SSE 6.9 mph - N/A   Overcast
7:55 AM 39.4 °F 33.8 °F 23.4 °F 53% 30.03 in 10.0 mi South 8.1 mph 17.3 mph N/A   Mostly Cloudy
8:55 AM 40.1 °F 36.1 °F 24.4 °F 54% 30.01 in 10.0 mi SSE 5.8 mph 17.3 mph N/A   Clear
9:15 AM 41.0 °F 34.7 °F 24.8 °F 53% 30.02 in 10.0 mi South 10.4 mph - N/A Rain Light Rain
9:55 AM 37.8 °F 32.5 °F 32.0 °F 80% 30.00 in 10.0 mi Variable 6.9 mph - 0.01 in Rain Light Rain
10:08 AM 37.4 °F 34.9 °F 32.0 °F 81% 29.99 in 10.0 mi Variable 3.5 mph - N/A   Mostly Cloudy
10:22 AM 39.2 °F - 33.8 °F 81% 30.00 in 10.0 mi Calm Calm - N/A Rain Light Rain
10:33 AM 39.2 °F - 33.8 °F 81% 29.99 in 10.0 mi Calm Calm - N/A Rain Light Rain
10:36 AM 39.2 °F 35.9 °F 33.8 °F 81% 29.99 in 10.0 mi SSE 4.6 mph - N/A Rain Light Rain
10:50 AM 39.2 °F 37.0 °F 33.8 °F 81% 29.98 in 9.0 mi Variable 3.5 mph - N/A Rain Light Rain
10:55 AM 39.0 °F 36.8 °F 34.3 °F 83% 29.99 in 9.0 mi Variable 3.5 mph - 0.01 in Rain Light Rain
11:55 AM 39.9 °F 36.7 °F 36.0 °F 86% 29.95 in 10.0 mi SSE 4.6 mph - 0.02 in Rain Light Rain
12:27 PM 41.0 °F 37.1 °F 37.4 °F 87% 29.91 in 10.0 mi SSE 5.8 mph - N/A   Overcast
12:35 PM 41.0 °F 37.1 °F 37.4 °F 87% 29.90 in 10.0 mi SSE 5.8 mph - N/A   Overcast
12:36 PM 41.0 °F 36.4 °F 37.4 °F 87% 29.90 in 10.0 mi SSE 6.9 mph - N/A Rain Light Rain
12:43 PM 41.0 °F 36.4 °F 37.4 °F 87% 29.89 in 10.0 mi SSE 6.9 mph - N/A   Overcast
12:46 PM 41.0 °F 36.4 °F 37.4 °F 87% 29.88 in 10.0 mi SSE 6.9 mph - N/A   Overcast
12:55 PM 42.1 °F 38.4 °F 38.5 °F 87% 29.88 in 10.0 mi Variable 5.8 mph - 0.00 in   Overcast
1:09 PM 42.8 °F 38.6 °F 39.2 °F 87% 29.87 in 10.0 mi South 6.9 mph - N/A   Overcast
1:14 PM 42.8 °F 39.3 °F 39.2 °F 87% 29.87 in 10.0 mi South 5.8 mph - N/A   Overcast
1:25 PM 42.8 °F 40.1 °F 39.2 °F 87% 29.86 in 10.0 mi Variable 4.6 mph - N/A   Overcast
1:39 PM 42.8 °F 38.6 °F 39.2 °F 87% 29.85 in 10.0 mi Variable 6.9 mph - N/A Rain Light Rain
1:52 PM 42.8 °F 38.0 °F 39.2 °F 87% 29.83 in 10.0 mi South 8.1 mph - N/A   Overcast
1:55 PM 42.3 °F 38.6 °F 39.4 °F 90% 29.83 in 10.0 mi Variable 5.8 mph - 0.00 in   Overcast
2:18 PM 42.8 °F 38.0 °F 39.2 °F 87% 29.82 in 10.0 mi SSE 8.1 mph - N/A   Overcast
2:19 PM 42.8 °F 38.0 °F 39.2 °F 87% 29.82 in 10.0 mi South 8.1 mph - N/A   Overcast
2:55 PM 43.0 °F 38.8 °F 40.1 °F 90% 29.80 in 10.0 mi Variable 6.9 mph - N/A   Overcast
3:55 PM 43.3 °F 39.9 °F 40.5 °F 90% 29.77 in 10.0 mi Variable 5.8 mph - N/A   Overcast
4:15 PM 44.6 °F 40.7 °F 41.0 °F 87% 29.77 in 10.0 mi SSW 6.9 mph - N/A   Overcast
4:55 PM 45.0 °F 42.6 °F 40.6 °F 85% 29.77 in 10.0 mi Variable 4.6 mph - N/A   Overcast
5:55 PM 46.0 °F 42.5 °F 40.1 °F 80% 29.80 in 10.0 mi West 6.9 mph - N/A   Overcast
6:14 PM 46.4 °F 44.3 °F 39.2 °F 76% 29.80 in 10.0 mi WSW 4.6 mph - N/A   Overcast
6:15 PM 46.4 °F 45.2 °F 39.2 °F 76% 29.80 in 10.0 mi WSW 3.5 mph - N/A   Overcast
6:19 PM 44.6 °F 42.2 °F 39.2 °F 81% 29.80 in 10.0 mi SW 4.6 mph - N/A   Overcast
6:34 PM 44.6 °F - 39.2 °F 81% 29.80 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
7:55 PM 42.6 °F 40.9 °F 38.7 °F 86% 29.82 in 10.0 mi West 3.5 mph - N/A   Partly Cloudy
8:55 PM 41.4 °F 37.6 °F 37.9 °F 88% 29.84 in 10.0 mi West 5.8 mph - N/A   Clear
9:55 PM 37.8 °F - 35.8 °F 93% 29.86 in 10.0 mi Calm Calm - N/A   Clear