Weather History for Fort Belvoir, VA

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Tuesday, January 29, 2013

  Actual Average Record
Temperature  
Mean Temperature 53 °F -  
Max Temperature 69 °F 43 °F 73 °F (2002)
Min Temperature 37 °F 26 °F 6 °F (2004)
Degree Days  
Heating Degree Days 12    
Growing Degree Days 3 (Base 50)    
Moisture  
Dew Point 40 °F    
Average Humidity 90    
Maximum Humidity 100    
Minimum Humidity 52    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.08 in    
Wind  
Wind Speed 1 mph (SE)    
Max Wind Speed 8 mph    
Max Gust Speed -    
Visibility 4 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

Jan. 29, 2013 Rise Set
Actual Time 7:16 AM EST 5:27 PM EST
Civil Twilight 6:48 AM EST 5:55 PM EST
Nautical Twilight 6:16 AM EST 6:27 PM EST
Astronomical Twilight 5:45 AM EST 6:58 PM EST
Moon 8:18 PM EST (1/29) 8:14 AM EST (1/29)
Length of Visible Light 11h 06m
Length of Day
10h 10m
Waning Gibbous, 94% of the Moon is Illuminated
Jan 29
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 43.5 °F - 40.6 °F 90% 30.07 in 10.0 mi Calm Calm - N/A   Scattered Clouds
1:55 AM 41.5 °F - 40.1 °F 95% 30.08 in 9.0 mi Calm Calm - N/A   Partly Cloudy
2:05 AM 39.2 °F - 39.2 °F 100% 30.08 in 5.0 mi Calm Calm - N/A   Scattered Clouds
2:11 AM 39.2 °F - 37.4 °F 93% 30.08 in 2.5 mi Calm Calm - N/A   Mostly Cloudy
2:13 AM 39.2 °F - 37.4 °F 93% 30.08 in 2.0 mi Calm Calm - N/A   Mostly Cloudy
2:14 AM 39.2 °F - 37.4 °F 93% 30.08 in 1.8 mi Calm Calm - N/A   Mostly Cloudy
2:15 AM 39.2 °F - 37.4 °F 93% 30.08 in 1.5 mi Calm Calm - N/A   Mostly Cloudy
2:16 AM 39.2 °F - 37.4 °F 93% 30.08 in 1.2 mi Calm Calm - N/A   Mostly Cloudy
2:19 AM 39.2 °F - 39.2 °F 100% 30.08 in 1.5 mi Calm Calm - N/A   Mostly Cloudy
2:23 AM 39.2 °F - 39.2 °F 100% 30.08 in 1.8 mi Calm Calm - N/A   Overcast
2:25 AM 39.2 °F - 39.2 °F 100% 30.08 in 2.0 mi Calm Calm - N/A   Overcast
2:26 AM 39.2 °F - 39.2 °F 100% 30.08 in 2.5 mi Calm Calm - N/A   Overcast
2:27 AM 39.2 °F - 39.2 °F 100% 30.09 in 2.5 mi Calm Calm - N/A   Overcast
2:28 AM 39.2 °F - 39.2 °F 100% 30.09 in 3.0 mi Calm Calm - N/A   Overcast
2:53 AM 41.0 °F - 39.2 °F 93% 30.08 in 4.0 mi Calm Calm - N/A   Overcast
2:55 AM 39.9 °F - 38.8 °F 96% 30.08 in 4.0 mi Calm Calm - N/A   Overcast
3:00 AM 39.2 °F - 39.2 °F 100% 30.08 in 4.0 mi Calm Calm - N/A   Overcast
3:39 AM 39.2 °F - 37.4 °F 93% 30.09 in 7.0 mi Calm Calm - N/A   Overcast
3:55 AM 39.2 °F - 38.3 °F 97% 30.09 in 5.0 mi Calm Calm - N/A   Overcast
4:55 AM 38.1 °F - 37.2 °F 97% 30.09 in 3.0 mi Calm Calm - N/A   Scattered Clouds
5:13 AM 37.4 °F - 37.4 °F 100% 30.09 in 2.5 mi Calm Calm - N/A   Partly Cloudy
5:14 AM 37.4 °F - 37.4 °F 100% 30.09 in 2.0 mi Calm Calm - N/A   Partly Cloudy
5:16 AM 37.4 °F - 35.6 °F 93% 30.09 in 1.8 mi Calm Calm - N/A   Clear
5:18 AM 37.4 °F - 35.6 °F 93% 30.09 in 1.5 mi Calm Calm - N/A   Clear
5:20 AM 37.4 °F - 35.6 °F 93% 30.09 in 1.2 mi Calm Calm - N/A   Clear
5:27 AM 37.4 °F - 35.6 °F 93% 30.09 in 1.0 mi Calm Calm - N/A   Clear
5:30 AM 37.4 °F - 35.6 °F 93% 30.09 in 1.0 mi Calm Calm - N/A   Clear
5:31 AM 37.4 °F - 35.6 °F 93% 30.09 in 1.0 mi Calm Calm - N/A   Clear
5:34 AM 37.4 °F - 35.6 °F 93% 30.10 in 1.2 mi Calm Calm - N/A   Clear
5:37 AM 37.4 °F - 35.6 °F 93% 30.09 in 1.5 mi Calm Calm - N/A   Clear
5:38 AM 37.4 °F - 35.6 °F 93% 30.09 in 1.8 mi Calm Calm - N/A   Clear
5:41 AM 37.4 °F - 35.6 °F 93% 30.09 in 1.5 mi Calm Calm - N/A   Clear
5:42 AM 37.4 °F - 35.6 °F 93% 30.09 in 1.2 mi Calm Calm - N/A   Clear
5:43 AM 37.4 °F - 35.6 °F 93% 30.10 in 1.0 mi Calm Calm - N/A   Clear
5:47 AM 37.4 °F - 35.6 °F 93% 30.10 in 0.8 mi Calm Calm - N/A   Clear
5:49 AM 37.4 °F - 37.4 °F 100% 30.10 in 1.0 mi Calm Calm - N/A   Clear
5:52 AM 37.4 °F - 37.4 °F 100% 30.10 in 1.2 mi Calm Calm - N/A   Clear
5:53 AM 37.4 °F - 37.4 °F 100% 30.10 in 1.5 mi Calm Calm - N/A   Partly Cloudy
5:55 AM 37.6 °F - 36.7 °F 97% 30.10 in 1.5 mi Calm Calm - N/A   Partly Cloudy
5:56 AM 37.4 °F - 35.6 °F 93% 30.10 in 1.8 mi Calm Calm - N/A   Partly Cloudy
6:04 AM 37.4 °F - 35.6 °F 93% 30.10 in 2.0 mi Calm Calm - N/A   Mostly Cloudy
6:05 AM 37.4 °F - 37.4 °F 100% 30.10 in 3.0 mi Calm Calm - N/A   Mostly Cloudy
6:55 AM 38.5 °F - 37.6 °F 97% 30.12 in 7.0 mi Calm Calm - N/A   Mostly Cloudy
7:36 AM 37.4 °F - 37.4 °F 100% 30.12 in 2.5 mi Calm Calm - N/A   Mostly Cloudy
7:37 AM 37.4 °F - 37.4 °F 100% 30.12 in 2.0 mi Calm Calm - N/A   Scattered Clouds
7:58 AM 39.2 °F - 39.2 °F 100% 30.13 in 5.0 mi Calm Calm - N/A   Mostly Cloudy
8:55 AM 45.0 °F 43.5 °F 42.8 °F 92% 30.14 in 9.0 mi ESE 3.5 mph - N/A   Clear
9:55 AM 51.8 °F - 43.7 °F 74% 30.15 in 10.0 mi Calm Calm - N/A   Clear
10:55 AM 56.7 °F - 45.7 °F 67% 30.14 in 10.0 mi Variable 3.5 mph - N/A   Clear
11:55 AM 60.6 °F - 47.1 °F 61% 30.12 in 10.0 mi SE 4.6 mph - N/A   Clear
12:55 PM 65.7 °F - 49.3 °F 55% 30.08 in 10.0 mi ESE 5.8 mph - N/A   Clear
1:55 PM 67.6 °F - 50.0 °F 53% 30.06 in 10.0 mi Variable 4.6 mph - N/A   Clear
2:55 PM 69.3 °F - 50.7 °F 52% 30.05 in 10.0 mi ESE 8.1 mph - N/A   Clear
3:55 PM 68.4 °F - 50.9 °F 54% 30.05 in 10.0 mi SE 6.9 mph - N/A   Clear
4:55 PM 65.1 °F - 51.1 °F 60% 30.04 in 10.0 mi SE 8.1 mph - N/A   Clear
5:55 PM 61.2 °F - 50.5 °F 68% 30.04 in 10.0 mi SE 8.1 mph - N/A   Clear
6:55 PM 60.8 °F - 50.4 °F 68% 30.03 in 10.0 mi SE 4.6 mph - N/A   Clear
7:55 PM 54.1 °F - 48.9 °F 82% 30.04 in 10.0 mi SSE 3.5 mph - N/A   Clear
8:55 PM 51.3 °F - 47.7 °F 87% 30.04 in 10.0 mi Calm Calm - N/A   Clear
9:55 PM 50.5 °F - 47.1 °F 88% 30.04 in 10.0 mi SE 4.6 mph - N/A   Clear
10:55 PM 48.2 °F - 46.4 °F 93% 30.04 in 10.0 mi Calm Calm - N/A   Clear
11:55 PM 46.8 °F - 45.5 °F 95% 30.00 in 10.0 mi Calm Calm - N/A   Clear