Fort Belvoir, VA

5:21 PM EDT on August 28, 2016 (GMT -0400)
Davison Army Air Field

Weather History for KDAA - February, 2012

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Friday, February 17, 2012

  Actual Average Record
Temperature  
Mean Temperature 43 °F -  
Max Temperature 53 °F 48 °F 71 °F (2011)
Min Temperature 33 °F 29 °F 13 °F (2015)
Degree Days  
Heating Degree Days 22    
Moisture  
Dew Point 36 °F    
Average Humidity 90    
Maximum Humidity 100    
Minimum Humidity 30    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.07 in    
Wind  
Wind Speed 1 mph (WNW)    
Max Wind Speed 17 mph    
Max Gust Speed 25 mph    
Visibility 3 miles    
Events Fog    
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. 17, 2012 Rise Set
Actual Time 6:57 AM EST 5:48 PM EST
Civil Twilight 6:30 AM EST 6:15 PM EST
Nautical Twilight 5:59 AM EST 6:46 PM EST
Astronomical Twilight 5:28 AM EST 7:17 PM EST
Moon 3:45 AM EST (2/17) 1:40 PM EST (2/17)
Length of Visible Light 11h 44m
Length of Day
10h 50m
Waning Crescent, 19% of the Moon is Illuminated
Feb 17
Waning Crescent
Feb 21
New
Feb 29
First Quarter
Mar 8
Full
Mar 14
Last Quarter

Hourly Weather History & Observations

Time (EST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:03 AM 33.8 °F - 33.8 °F 100% 30.04 in 0.5 mi Calm Calm - N/A Fog Fog
12:14 AM 33.8 °F - 33.8 °F 100% 30.04 in 0.5 mi Calm Calm - N/A Fog Fog
12:24 AM 33.8 °F - 33.8 °F 100% 30.04 in 0.5 mi Calm Calm - N/A Fog Fog
12:29 AM 33.8 °F - 33.8 °F 100% 30.04 in 0.2 mi Calm Calm - N/A Fog Fog
12:36 AM 33.8 °F - 33.8 °F 100% 30.03 in 0.5 mi Calm Calm - N/A Fog Fog
12:37 AM 33.8 °F - 33.8 °F 100% 30.03 in 0.5 mi Calm Calm - N/A Fog Fog
12:44 AM 33.8 °F - 33.8 °F 100% 30.03 in 0.5 mi Calm Calm - N/A Fog Fog
12:48 AM 35.6 °F - 35.6 °F 100% 30.03 in 0.5 mi Calm Calm - N/A Fog Fog
12:50 AM 35.6 °F - 35.6 °F 100% 30.03 in 0.8 mi Calm Calm - N/A   Mist
12:55 AM 35.6 °F - 35.4 °F 99% 30.03 in 0.8 mi Calm Calm - N/A   Mist
1:00 AM 35.6 °F - 35.6 °F 100% 30.03 in 0.5 mi Calm Calm - N/A Fog Fog
1:02 AM 35.6 °F - 35.6 °F 100% 30.03 in 0.5 mi Calm Calm - N/A Fog Fog
1:06 AM 35.6 °F - 35.6 °F 100% 30.02 in 0.5 mi Calm Calm - N/A Fog Fog
1:32 AM 37.4 °F - 37.4 °F 100% 30.02 in 0.5 mi Calm Calm - N/A Fog Fog
1:43 AM 37.4 °F - 37.4 °F 100% 30.03 in 0.5 mi Calm Calm - N/A Fog Fog
1:55 AM 37.4 °F - 37.2 °F 99% 30.03 in 0.5 mi Calm Calm - N/A Fog Fog
2:01 AM 37.4 °F - 37.4 °F 100% 30.03 in 0.5 mi Calm Calm - N/A Fog Fog
2:08 AM 37.4 °F - 37.4 °F 100% 30.03 in 0.2 mi Calm Calm - N/A Fog Fog
2:17 AM 37.4 °F - 37.4 °F 100% 30.03 in 0.2 mi Calm Calm - N/A Fog Fog
2:21 AM 37.4 °F - 37.4 °F 100% 30.03 in 0.2 mi Calm Calm - N/A Fog Fog
2:29 AM 37.4 °F - 37.4 °F 100% 30.02 in 0.5 mi Calm Calm - N/A Fog Fog
2:46 AM 39.2 °F - 37.4 °F 93% 30.03 in 0.5 mi Calm Calm - N/A Fog Fog
2:48 AM 39.2 °F - 37.4 °F 93% 30.03 in 0.5 mi Calm Calm - N/A Fog Fog
2:49 AM 39.2 °F - 37.4 °F 93% 30.03 in 0.5 mi Calm Calm - N/A Fog Fog
2:51 AM 39.2 °F - 37.4 °F 93% 30.03 in 0.8 mi Calm Calm - N/A   Mist
2:55 AM 38.7 °F - 38.5 °F 99% 30.03 in 0.8 mi Calm Calm - N/A   Mist
2:57 AM 39.2 °F - 39.2 °F 100% 30.03 in 1.0 mi Calm Calm - N/A   Mist
2:58 AM 39.2 °F - 39.2 °F 100% 30.03 in 0.8 mi Calm Calm - N/A   Mist
3:00 AM 39.2 °F - 39.2 °F 100% 30.03 in 0.8 mi Calm Calm - N/A   Mist
3:07 AM 39.2 °F - 39.2 °F 100% 30.02 in 0.8 mi Calm Calm - N/A   Mist
3:10 AM 39.2 °F - 39.2 °F 100% 30.03 in 0.5 mi Calm Calm - N/A Fog Fog
3:11 AM 39.2 °F - 39.2 °F 100% 30.03 in 0.8 mi Calm Calm - N/A   Mist
3:17 AM 39.2 °F - 39.2 °F 100% 30.02 in 0.5 mi Calm Calm - N/A Fog Fog
3:24 AM 39.2 °F - 39.2 °F 100% 30.03 in 0.5 mi Calm Calm - N/A Fog Fog
3:55 AM 38.8 °F - 38.7 °F 99% 30.03 in 0.5 mi Calm Calm - N/A Fog Fog
4:19 AM 39.2 °F - 39.2 °F 100% 30.04 in 0.5 mi Calm Calm - N/A Fog Fog
4:55 AM 41.0 °F - 40.6 °F 99% 30.05 in 0.5 mi Calm Calm - N/A Fog Fog
5:18 AM 41.0 °F - 41.0 °F 100% 30.05 in 0.5 mi Calm Calm - N/A Fog Fog
5:24 AM 41.0 °F 39.0 °F 41.0 °F 100% 30.06 in 0.5 mi WSW 3.5 mph - N/A Fog Fog
5:55 AM 41.2 °F - 40.8 °F 99% 30.06 in 0.5 mi Calm Calm - N/A Fog Fog
6:15 AM 41.0 °F - 41.0 °F 100% 30.07 in 0.2 mi Calm Calm - N/A Fog Fog
6:23 AM 41.0 °F - 41.0 °F 100% 30.08 in 0.5 mi Calm Calm - N/A Fog Fog
6:24 AM 41.0 °F - 41.0 °F 100% 30.08 in 0.5 mi Calm Calm - N/A Fog Fog
6:25 AM 41.0 °F 39.0 °F 41.0 °F 100% 30.09 in 0.5 mi WSW 3.5 mph - N/A Fog Fog
6:26 AM 41.0 °F - 41.0 °F 100% 30.09 in 0.5 mi Calm Calm - N/A Fog Fog
6:28 AM 41.0 °F 39.0 °F 41.0 °F 100% 30.09 in 0.8 mi West 3.5 mph - N/A   Overcast
6:30 AM 41.0 °F 39.0 °F 41.0 °F 100% 30.09 in 1.0 mi West 3.5 mph - N/A   Overcast
6:31 AM 41.0 °F 38.0 °F 41.0 °F 100% 30.09 in 1.5 mi West 4.6 mph - N/A   Overcast
6:32 AM 41.0 °F 38.0 °F 41.0 °F 100% 30.09 in 2.0 mi West 4.6 mph - N/A   Overcast
6:33 AM 41.0 °F 37.1 °F 41.0 °F 100% 30.09 in 3.0 mi West 5.8 mph - N/A   Overcast
6:34 AM 41.0 °F 38.0 °F 41.0 °F 100% 30.09 in 4.0 mi WNW 4.6 mph - N/A   Overcast
6:36 AM 41.0 °F 38.0 °F 41.0 °F 100% 30.09 in 7.0 mi WNW 4.6 mph - N/A   Overcast
6:37 AM 41.0 °F 38.0 °F 41.0 °F 100% 30.09 in 7.0 mi WNW 4.6 mph - N/A   Overcast
6:39 AM 41.0 °F 39.0 °F 41.0 °F 100% 30.09 in 8.0 mi West 3.5 mph - N/A   Overcast
6:41 AM 41.0 °F 38.0 °F 41.0 °F 100% 30.09 in 8.0 mi WNW 4.6 mph - N/A   Overcast
6:48 AM 39.2 °F - 39.2 °F 100% 30.09 in 9.0 mi Calm Calm - N/A   Overcast
6:55 AM 39.6 °F - 39.4 °F 99% 30.10 in 8.0 mi Calm Calm - N/A   Mostly Cloudy
7:31 AM 39.2 °F - 37.4 °F 93% 30.11 in 2.5 mi Calm Calm - N/A   Clear
7:32 AM 39.2 °F - 37.4 °F 93% 30.11 in 1.8 mi Calm Calm - N/A   Clear
7:33 AM 37.4 °F - 37.4 °F 100% 30.11 in 1.5 mi Calm Calm - N/A   Clear
7:34 AM 37.4 °F - 37.4 °F 100% 30.11 in 1.2 mi Calm Calm - N/A   Clear
7:35 AM 37.4 °F - 37.4 °F 100% 30.10 in 1.0 mi Calm Calm - N/A   Clear
7:36 AM 37.4 °F - 37.4 °F 100% 30.10 in 0.8 mi Calm Calm - N/A   Clear
7:38 AM 37.4 °F - 37.4 °F 100% 30.11 in 0.5 mi Calm Calm - N/A Fog Fog
7:39 AM 37.4 °F - 37.4 °F 100% 30.11 in 0.5 mi Calm Calm - N/A Fog Fog
7:43 AM 37.4 °F - 37.4 °F 100% 30.11 in 0.5 mi Calm Calm - N/A Fog Fog
7:44 AM 37.4 °F - 37.4 °F 100% 30.09 in 3.0 mi SE 2.3 mph - N/A   Mostly Cloudy
7:45 AM 37.4 °F - 37.4 °F 100% 30.11 in 0.5 mi Calm Calm - N/A Fog Fog
7:46 AM 37.4 °F - 37.4 °F 100% 30.11 in 0.5 mi Calm Calm - N/A Fog Fog
7:48 AM 37.4 °F - 37.4 °F 100% 30.11 in 0.8 mi Calm Calm - N/A   Clear
7:50 AM 39.2 °F - 39.2 °F 100% 30.11 in 1.0 mi Calm Calm - N/A   Clear
7:51 AM 39.2 °F - 39.2 °F 100% 30.11 in 1.2 mi Calm Calm - N/A   Clear
7:52 AM 39.2 °F - 39.2 °F 100% 30.11 in 1.5 mi Calm Calm - N/A   Clear
7:53 AM 39.2 °F - 39.2 °F 100% 30.11 in 2.5 mi Calm Calm - N/A   Clear
7:54 AM 39.2 °F - 39.2 °F 100% 30.11 in 3.0 mi Calm Calm - N/A   Clear
7:55 AM 39.4 °F - 39.2 °F 99% 30.11 in 4.0 mi Calm Calm - N/A   Clear
8:55 AM 43.3 °F 39.2 °F 43.3 °F 100% 30.11 in 10.0 mi NNW 6.9 mph - N/A   Clear
9:55 AM 48.0 °F - 31.1 °F 52% 30.11 in 10.0 mi NW 12.7 mph 24.2 mph N/A   Clear
10:55 AM 50.4 °F - 30.9 °F 47% 30.10 in 10.0 mi NW 16.1 mph 23.0 mph N/A   Clear
11:55 AM 51.4 °F - 27.7 °F 40% 30.11 in 10.0 mi NNW 11.5 mph 24.2 mph N/A   Clear
12:55 PM 52.5 °F - 26.2 °F 36% 30.08 in 10.0 mi WNW 17.3 mph 25.3 mph N/A   Partly Cloudy
1:55 PM 53.2 °F - 24.8 °F 33% 30.07 in 10.0 mi NW 17.3 mph 20.7 mph N/A   Clear
2:55 PM 53.6 °F - 22.5 °F 30% 30.06 in 10.0 mi NNW 12.7 mph 23.0 mph N/A   Clear
3:55 PM 53.6 °F - 22.8 °F 30% 30.07 in 10.0 mi WNW 8.1 mph - N/A   Clear
4:55 PM 53.1 °F - 22.8 °F 31% 30.06 in 10.0 mi NW 10.4 mph - N/A   Clear
5:55 PM 49.8 °F - 23.5 °F 36% 30.08 in 10.0 mi NNW 4.6 mph - N/A   Clear
6:55 PM 44.6 °F 43.1 °F 26.1 °F 48% 30.10 in 10.0 mi NW 3.5 mph - N/A   Clear
7:55 PM 46.2 °F 41.7 °F 25.2 °F 44% 30.11 in 10.0 mi WNW 9.2 mph - N/A   Clear
8:55 PM 45.0 °F 42.6 °F 24.8 °F 45% 30.12 in 10.0 mi NW 4.6 mph - N/A   Clear
9:55 PM 39.2 °F - 25.0 °F 57% 30.12 in 10.0 mi Calm Calm - N/A   Clear
10:55 PM 35.1 °F - 25.2 °F 67% 30.12 in 10.0 mi Calm Calm - N/A   Clear
11:55 PM 34.0 °F - 27.7 °F 78% 30.12 in 10.0 mi Calm Calm - N/A   Clear