Weather History for Fort Belvoir, VA

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Friday, February 1, 2013

  Actual Average Record
Temperature  
Mean Temperature 27 °F -  
Max Temperature 33 °F 44 °F 77 °F (2002)
Min Temperature 20 °F 26 °F 17 °F (2000)
Degree Days  
Heating Degree Days 38    
Moisture  
Dew Point 19 °F    
Average Humidity 66    
Maximum Humidity 87    
Minimum Humidity 32    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.99 in    
Wind  
Wind Speed 9 mph (WNW)    
Max Wind Speed 29 mph    
Max Gust Speed 37 mph    
Visibility 7 miles    
Events Snow    
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. 01, 2013 Rise Set
Actual Time 7:14 AM EST 5:30 PM EST
Civil Twilight 6:46 AM EST 5:58 PM EST
Nautical Twilight 6:14 AM EST 6:30 PM EST
Astronomical Twilight 5:43 AM EST 7:01 PM EST
Moon 11:31 PM EST (2/1) 9:50 AM EST (2/1)
Length of Visible Light 11h 12m
Length of Day
10h 16m
Waning Gibbous, 70% of the Moon is Illuminated
Feb 1
Waning Gibbous
Feb 3
Last Quarter
Feb 10
New
Feb 17
First Quarter
Feb 25
Full

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 27.5 °F - 17.8 °F 67% 29.91 in 10.0 mi Calm Calm - N/A   Clear
1:55 AM 26.6 °F - 21.4 °F 81% 29.91 in 10.0 mi Calm Calm - N/A   Overcast
2:55 AM 28.2 °F - 22.5 °F 79% 29.88 in 10.0 mi Calm Calm - N/A   Overcast
3:55 AM 31.6 °F - 22.3 °F 68% 29.85 in 10.0 mi Calm Calm - N/A   Scattered Clouds
4:55 AM 32.9 °F - 23.2 °F 67% 29.82 in 10.0 mi Calm Calm - N/A   Scattered Clouds
5:19 AM 33.8 °F - 23.0 °F 65% 29.84 in 10.0 mi Calm Calm - N/A   Partly Cloudy
5:35 AM 33.8 °F 30.8 °F 23.0 °F 65% 29.85 in 9.0 mi Variable 3.5 mph - N/A Snow Light Snow
5:39 AM 33.8 °F 28.6 °F 24.8 °F 70% 29.85 in 5.0 mi WSW 5.8 mph - N/A Snow Light Snow
5:43 AM 33.8 °F 29.6 °F 24.8 °F 70% 29.85 in 4.0 mi Variable 4.6 mph - N/A Snow Light Snow
5:45 AM 33.8 °F 27.7 °F 26.6 °F 75% 29.85 in 4.0 mi SW 6.9 mph - N/A Snow Light Snow
5:49 AM 32.0 °F 25.6 °F 26.6 °F 80% 29.85 in 4.0 mi SSW 6.9 mph - N/A Snow Light Snow
5:52 AM 32.0 °F 25.6 °F 26.6 °F 80% 29.85 in 5.0 mi Variable 6.9 mph - N/A Snow Light Snow
5:55 AM 32.4 °F 27.9 °F 27.0 °F 80% 29.85 in 6.0 mi Variable 4.6 mph - 0.00 in Snow Light Snow
5:56 AM 32.0 °F 26.4 °F 26.6 °F 80% 29.86 in 6.0 mi Variable 5.8 mph - N/A Snow Light Snow
6:11 AM 32.0 °F 24.2 °F 28.4 °F 87% 29.88 in 4.0 mi West 9.2 mph - N/A Snow Light Snow
6:15 AM 32.0 °F 24.8 °F 26.6 °F 80% 29.89 in 3.0 mi WNW 8.1 mph - N/A Snow Light Snow
6:24 AM 32.0 °F 22.5 °F 24.8 °F 75% 29.89 in 4.0 mi WNW 12.7 mph 20.7 mph N/A Snow Light Snow
6:32 AM 32.0 °F 21.6 °F 24.8 °F 75% 29.90 in 4.0 mi WNW 15.0 mph 25.3 mph N/A Snow Light Snow
6:43 AM 32.0 °F 20.1 °F 23.0 °F 69% 29.92 in 5.0 mi NW 19.6 mph 29.9 mph N/A Snow Light Snow
6:44 AM 32.0 °F 19.2 °F 23.0 °F 69% 29.92 in 4.0 mi WNW 23.0 mph 29.9 mph N/A Snow Light Snow
6:46 AM 30.2 °F 17.4 °F 24.8 °F 80% 29.92 in 2.5 mi NW 20.7 mph 29.9 mph N/A Snow Light Snow
6:47 AM 30.2 °F 18.1 °F 24.8 °F 80% 29.92 in 2.0 mi NW 18.4 mph 29.9 mph N/A Snow Light Snow
6:49 AM 30.2 °F 19.8 °F 24.8 °F 80% 29.92 in 1.8 mi NNW 13.8 mph 29.9 mph N/A Snow Light Snow
6:51 AM 30.2 °F 18.9 °F 24.8 °F 80% 29.94 in 1.5 mi WNW 16.1 mph 29.9 mph N/A Snow Light Snow
6:52 AM 30.2 °F 19.8 °F 26.6 °F 86% 29.94 in 1.5 mi WNW 13.8 mph 28.8 mph N/A Snow Light Snow
6:54 AM 30.2 °F 20.8 °F 26.6 °F 86% 29.93 in 1.8 mi NW 11.5 mph 27.6 mph N/A Snow Light Snow
6:55 AM 29.7 °F 19.6 °F 26.2 °F 87% 29.92 in 1.8 mi NW 12.7 mph 27.6 mph 0.00 in Snow Light Snow
6:56 AM 30.2 °F 20.2 °F 26.6 °F 86% 29.92 in 2.0 mi NW 12.7 mph 21.9 mph N/A Snow Light Snow
6:57 AM 30.2 °F 19.8 °F 26.6 °F 86% 29.93 in 2.0 mi NW 13.8 mph 21.9 mph N/A Snow Light Snow
7:02 AM 30.2 °F 20.8 °F 26.6 °F 86% 29.94 in 2.0 mi WNW 11.5 mph 20.7 mph N/A Snow Light Snow
7:10 AM 30.2 °F 18.9 °F 24.8 °F 80% 29.94 in 2.5 mi NW 16.1 mph 23.0 mph N/A Snow Light Snow
7:12 AM 30.2 °F 18.5 °F 24.8 °F 80% 29.94 in 3.0 mi NW 17.3 mph 24.2 mph N/A Snow Light Snow
7:15 AM 30.2 °F 18.5 °F 23.0 °F 75% 29.94 in 5.0 mi NW 17.3 mph 24.2 mph N/A Snow Light Snow
7:19 AM 30.2 °F 20.8 °F 23.0 °F 75% 29.94 in 7.0 mi NNW 11.5 mph 24.2 mph N/A   Overcast
7:29 AM 28.4 °F 19.7 °F 23.0 °F 80% 29.94 in 10.0 mi NNW 9.2 mph 19.6 mph N/A   Mostly Cloudy
7:30 AM 28.4 °F 19.1 °F 23.0 °F 80% 29.94 in 10.0 mi NNW 10.4 mph 19.6 mph N/A   Mostly Cloudy
7:55 AM 29.5 °F 18.4 °F 20.5 °F 69% 29.97 in 10.0 mi NW 15.0 mph 23.0 mph 0.00 in   Scattered Clouds
8:54 AM 30.2 °F 16.8 °F 15.8 °F 55% 30.02 in 10.0 mi WNW 23.0 mph 34.5 mph N/A   Scattered Clouds
8:55 AM 29.8 °F 17.7 °F 15.4 °F 55% 30.02 in 10.0 mi WNW 18.4 mph 34.5 mph 0.00 in   Scattered Clouds
9:03 AM 30.2 °F 18.1 °F 15.8 °F 55% 30.04 in 10.0 mi WNW 18.4 mph - N/A   Mostly Cloudy
9:37 AM 30.2 °F 15.7 °F 14.0 °F 51% 30.06 in 10.0 mi WNW 27.6 mph 34.5 mph N/A   Scattered Clouds
9:51 AM 28.4 °F 13.0 °F 12.2 °F 51% 30.08 in 10.0 mi NW 28.8 mph 36.8 mph N/A   Scattered Clouds
9:55 AM 27.5 °F 12.9 °F 11.1 °F 50% 30.09 in 10.0 mi NW 24.2 mph 36.8 mph 0.00 in   Partly Cloudy
10:55 AM 28.0 °F 14.9 °F 4.3 °F 36% 30.12 in 10.0 mi WNW 19.6 mph 33.4 mph N/A   Partly Cloudy
11:55 AM 28.6 °F 15.3 °F 4.5 °F 36% 30.16 in 10.0 mi NW 20.7 mph 28.8 mph N/A   Partly Cloudy
12:55 PM 27.0 °F 13.9 °F 2.5 °F 35% 30.18 in 10.0 mi NW 18.4 mph 31.1 mph N/A   Scattered Clouds
1:55 PM 28.8 °F 16.2 °F 2.8 °F 33% 30.19 in 10.0 mi NW 18.4 mph 29.9 mph N/A   Partly Cloudy
2:55 PM 29.1 °F 17.5 °F 3.0 °F 33% 30.21 in 10.0 mi WNW 16.1 mph 28.8 mph N/A   Scattered Clouds
3:55 PM 28.6 °F 16.4 °F 2.1 °F 32% 30.24 in 10.0 mi WNW 17.3 mph 32.2 mph N/A   Partly Cloudy
4:55 PM 27.3 °F 13.6 °F 2.1 °F 34% 30.27 in 10.0 mi WNW 20.7 mph 27.6 mph N/A   Clear
5:55 PM 25.2 °F 13.9 °F 1.8 °F 37% 30.31 in 10.0 mi WNW 12.7 mph 19.6 mph N/A   Clear
7:55 PM 23.2 °F 13.3 °F 3.6 °F 43% 30.37 in 10.0 mi WNW 9.2 mph - N/A   Clear
9:55 PM 21.7 °F 11.5 °F 1.2 °F 41% 30.40 in 10.0 mi NW 9.2 mph - N/A   Clear
10:55 PM 20.8 °F 8.4 °F 2.5 °F 45% 30.42 in 10.0 mi NW 12.7 mph - N/A   Clear