Fort Belvoir, VA

4:17 AM EDT on October 22, 2019 (GMT -0400)
Davison Army Air Field

Weather History for KDAA - May, 2019

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Monday, May 20, 2019

  Actual Average Record
Temperature  
Mean Temperature 80 °F -  
Max Temperature 89 °F 75 °F 93 °F (1998)
Min Temperature 73 °F 52 °F 39 °F (2002)
Cooling Degree Days 16    
Growing Degree Days 30 (Base 50)    
Moisture  
Dew Point 64 °F    
Average Humidity 60    
Maximum Humidity 78    
Minimum Humidity 41    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.87 in    
Wind  
Wind Speed 5 mph ()    
Max Wind Speed 17 mph    
Max Gust Speed 24 mph    
Visibility 10.0 miles    
Events      
Averages and records for this station are not official NWS values.
T = Trace of Precipitation, MM = Missing Value Source: Averaged Metar Reports

Daily Weather History Graph

Daily Weather History Graph

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Astronomy

May. 20, 2019 Rise Set
Actual Time 5:52 AM EDT 8:18 PM EDT
Civil Twilight 5:22 AM EDT 8:48 PM EDT
Nautical Twilight 4:44 AM EDT 9:26 PM EDT
Astronomical Twilight 4:03 AM EDT 10:07 PM EDT
Moon 10:16 PM EDT (5/20) 7:19 AM EDT (5/20)
Length of Visible Light 15h 26m
Length of Day
14h 25m
Waning Gibbous, 96% of the Moon is Illuminated
May 20
Waning Gibbous
May 26
Last Quarter
Jun 3
New
Jun 10
First Quarter
Jun 17
Full

Hourly Weather History & Observations

Time (EDT) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:56 AM 75.9 °F - 64.2 °F 67% 29.92 in 10.0 mi SSE 6.9 mph - N/A   Clear
1:56 AM 75.0 °F - 64.6 °F 70% 29.92 in 10.0 mi SSE 3.5 mph - N/A   Mostly Cloudy
2:56 AM 75.6 °F - 63.3 °F 66% 29.91 in 10.0 mi South 4.6 mph - N/A   Clear
3:56 AM 74.8 °F - 63.5 °F 68% 29.90 in 10.0 mi South 6.9 mph - N/A   Clear
4:56 AM 73.9 °F - 63.9 °F 71% 29.90 in 10.0 mi SSW 4.6 mph - N/A   Partly Cloudy
5:56 AM 73.8 °F - 63.7 °F 71% 29.90 in 10.0 mi Calm Calm - N/A   Clear
6:56 AM 73.8 °F - 64.0 °F 72% 29.92 in 10.0 mi Calm Calm - N/A   Clear
7:56 AM 76.1 °F - 65.5 °F 70% 29.92 in 10.0 mi SW 5.8 mph - N/A   Clear
8:56 AM 78.4 °F - 66.0 °F 66% 29.91 in 10.0 mi WSW 6.9 mph - N/A   Partly Cloudy
9:56 AM 80.4 °F 82.8 °F 67.1 °F 64% 29.91 in 10.0 mi SSW 6.9 mph - N/A   Clear
10:56 AM 82.0 °F 84.9 °F 67.6 °F 62% 29.90 in 10.0 mi SSW 5.8 mph - N/A   Clear
11:56 AM 85.5 °F 88.5 °F 67.8 °F 55% 29.89 in 10.0 mi South 9.2 mph - N/A   Clear
12:56 PM 88.0 °F 88.1 °F 61.9 °F 41% 29.87 in 10.0 mi WSW 9.2 mph - N/A   Clear
1:56 PM 88.0 °F 88.1 °F 61.9 °F 41% 29.84 in 10.0 mi SW 9.2 mph 18.4 mph N/A   Clear
3:56 PM 86.5 °F 89.3 °F 66.7 °F 52% 29.80 in 10.0 mi South 8.1 mph - N/A   Partly Cloudy
4:56 PM 86.0 °F 88.5 °F 66.7 °F 52% 29.78 in 10.0 mi South 10.4 mph - N/A   Clear
5:56 PM 83.3 °F 86.2 °F 67.5 °F 59% 29.78 in 10.0 mi South 6.9 mph - N/A   Partly Cloudy
6:56 PM 83.3 °F 86.6 °F 68.4 °F 61% 29.79 in 10.0 mi South 4.6 mph - N/A   Mostly Cloudy
7:56 PM 80.4 °F 83.1 °F 68.0 °F 66% 29.81 in 10.0 mi ENE 3.5 mph - N/A   Scattered Clouds
8:56 PM 75.6 °F - 68.2 °F 78% 29.83 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
9:56 PM 77.4 °F - 53.1 °F 43% 29.85 in 10.0 mi WNW 3.5 mph - N/A   Clear
10:56 PM 76.8 °F - 52.0 °F 42% 29.87 in 10.0 mi NW 10.4 mph - N/A   Clear
11:56 PM 76.5 °F - 51.6 °F 42% 29.87 in 10.0 mi NW 17.3 mph 24.2 mph N/A   Clear