Fort Belvoir, VA

10:34 AM EDT on October 18, 2019 (GMT -0400)
Davison Army Air Field

Weather History for KDAA - September, 2019

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Tuesday, September 17, 2019

  Actual Average Record
Temperature  
Mean Temperature 70 °F -  
Max Temperature 80 °F 78 °F 87 °F (1998)
Min Temperature 60 °F 57 °F 44 °F (2001)
Cooling Degree Days 6    
Growing Degree Days 20 (Base 50)    
Moisture  
Dew Point 63 °F    
Average Humidity 74    
Maximum Humidity 92    
Minimum Humidity 51    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.09 in    
Wind  
Wind Speed 1 mph ()    
Max Wind Speed 6 mph    
Max Gust Speed -    
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

Sep. 17, 2019 Rise Set
Actual Time 6:51 AM EDT 7:14 PM EDT
Civil Twilight 6:25 AM EDT 7:40 PM EDT
Nautical Twilight 5:53 AM EDT 8:11 PM EDT
Astronomical Twilight 5:21 AM EDT 8:43 PM EDT
Moon 9:18 PM EDT (9/17) 9:52 AM EDT (9/17)
Length of Visible Light 13h 15m
Length of Day
12h 22m
Waning Gibbous, 89% of the Moon is Illuminated
Sep 17
Waning Gibbous
Sep 21
Last Quarter
Sep 28
New
Oct 5
First Quarter
Oct 13
Full

Hourly Weather History & Observations

Time (EDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:56 AM 71.1 °F 63.9 °F 78% 30.01 in 10.0 mi Calm Calm - N/A   Scattered Clouds
1:56 AM 70.2 °F 65.1 °F 84% 30.02 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
2:56 AM 72.0 °F 64.8 °F 78% 30.01 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
3:56 AM 72.1 °F 64.9 °F 78% 30.01 in 10.0 mi Calm Calm - N/A   Scattered Clouds
4:56 AM 72.1 °F 63.7 °F 75% 30.01 in 10.0 mi Calm Calm - N/A   Partly Cloudy
5:56 AM 72.5 °F 64.4 °F 76% 30.02 in 10.0 mi Calm Calm - N/A   Scattered Clouds
6:56 AM 71.6 °F 66.2 °F 83% 30.04 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
7:56 AM 72.7 °F 66.2 °F 80% 30.07 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
8:01 AM 73.4 °F 66.2 °F 78% 30.07 in 10.0 mi NNE 4.6 mph - N/A   Mostly Cloudy
8:46 AM 73.4 °F 66.2 °F 78% 30.08 in 10.0 mi NNE 4.6 mph - N/A   Overcast
8:56 AM 72.5 °F 66.9 °F 83% 30.09 in 10.0 mi ENE 3.5 mph - N/A   Overcast
9:16 AM 71.6 °F 66.2 °F 83% 30.10 in 10.0 mi NE 3.5 mph - N/A   Overcast
9:56 AM 73.0 °F 66.7 °F 81% 30.11 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
10:11 AM 73.4 °F 66.2 °F 78% 30.11 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
10:16 AM 73.4 °F 66.2 °F 78% 30.11 in 10.0 mi NE 3.5 mph - N/A   Mostly Cloudy
10:21 AM 73.4 °F 66.2 °F 78% 30.12 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
10:31 AM 73.4 °F 66.2 °F 78% 30.12 in 10.0 mi Calm Calm - N/A   Overcast
10:46 AM 73.4 °F 66.2 °F 78% 30.12 in 10.0 mi East 3.5 mph - N/A   Overcast
10:56 AM 73.8 °F 66.0 °F 77% 30.12 in 10.0 mi East 3.5 mph - N/A   Overcast
11:01 AM 73.4 °F 66.2 °F 78% 30.12 in 10.0 mi Calm Calm - N/A   Overcast
11:56 AM 75.9 °F 64.2 °F 67% 30.13 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
12:56 PM 77.0 °F 62.1 °F 60% 30.13 in 10.0 mi NNE 4.6 mph - N/A   Mostly Cloudy
1:56 PM 78.1 °F 59.5 °F 53% 30.12 in 10.0 mi ESE 5.8 mph - N/A   Mostly Cloudy
2:56 PM 79.7 °F 59.9 °F 51% 30.10 in 10.0 mi ESE 3.5 mph - N/A   Scattered Clouds
3:56 PM 78.6 °F 59.5 °F 52% 30.09 in 10.0 mi North 4.6 mph - N/A   Overcast
4:56 PM 79.0 °F 59.2 °F 51% 30.07 in 10.0 mi ESE 4.6 mph - N/A   Scattered Clouds
5:56 PM 77.9 °F 59.4 °F 53% 30.08 in 10.0 mi ESE 3.5 mph - N/A   Partly Cloudy
6:56 PM 75.6 °F 59.2 °F 57% 30.09 in 10.0 mi ESE 3.5 mph - N/A   Scattered Clouds
7:56 PM 72.3 °F 59.0 °F 63% 30.10 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
8:56 PM 68.5 °F 60.3 °F 75% 30.12 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
9:56 PM 65.1 °F 60.1 °F 84% 30.12 in 10.0 mi Calm Calm - N/A   Partly Cloudy
10:56 PM 62.2 °F 59.0 °F 89% 30.13 in 10.0 mi Calm Calm - N/A   Clear
11:56 PM 60.8 °F 58.5 °F 92% 30.13 in 10.0 mi Calm Calm - N/A   Clear