Fort Belvoir, VA

9:49 AM EDT on October 23, 2019 (GMT -0400)
Davison Army Air Field

Weather History for KDAA - September, 2019

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Wednesday, September 18, 2019

  Actual Average Record
Temperature  
Mean Temperature 66 °F -  
Max Temperature 78 °F 77 °F 87 °F (1998)
Min Temperature 55 °F 56 °F 43 °F (2013)
Cooling Degree Days 1    
Growing Degree Days 16 (Base 50)    
Moisture  
Dew Point 53 °F    
Average Humidity 68    
Maximum Humidity 95    
Minimum Humidity 35    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.20 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. 18, 2019 Rise Set
Actual Time 6:52 AM EDT 7:12 PM EDT
Civil Twilight 6:26 AM EDT 7:39 PM EDT
Nautical Twilight 5:54 AM EDT 8:10 PM EDT
Astronomical Twilight 5:22 AM EDT 8:42 PM EDT
Moon 9:48 PM EDT (9/18) 10:51 AM EDT (9/18)
Length of Visible Light 13h 13m
Length of Day
12h 19m
Waning Gibbous, 82% of the Moon is Illuminated
Sep 18
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 59.9 °F 57.9 °F 93% 30.13 in 10.0 mi Calm Calm - N/A   Clear
1:56 AM 59.5 °F 57.6 °F 93% 30.14 in 10.0 mi Calm Calm - N/A   Clear
2:56 AM 58.1 °F 56.3 °F 94% 30.14 in 10.0 mi Calm Calm - N/A   Clear
3:56 AM 57.4 °F 55.6 °F 94% 30.15 in 10.0 mi Calm Calm - N/A   Clear
4:56 AM 57.0 °F 55.6 °F 95% 30.16 in 10.0 mi Calm Calm - N/A   Clear
5:56 AM 57.0 °F 55.2 °F 94% 30.16 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
6:57 AM 55.8 °F 54.3 °F 95% 30.18 in 10.0 mi Calm Calm - N/A   Clear
7:56 AM 57.9 °F 56.5 °F 95% 30.19 in 10.0 mi Calm Calm - N/A   Clear
8:56 AM 67.8 °F 59.5 °F 75% 30.21 in 10.0 mi Calm Calm - N/A   Clear
9:56 AM 71.4 °F 57.7 °F 62% 30.22 in 10.0 mi ENE 4.6 mph - N/A   Partly Cloudy
10:56 AM 71.8 °F 55.2 °F 56% 30.22 in 10.0 mi NE 3.5 mph - N/A   Clear
11:56 AM 75.4 °F 52.5 °F 45% 30.21 in 10.0 mi ESE 5.8 mph - N/A   Scattered Clouds
12:56 PM 77.4 °F 49.8 °F 38% 30.21 in 10.0 mi Calm Calm - N/A   Scattered Clouds
1:56 PM 76.3 °F 49.5 °F 39% 30.19 in 10.0 mi Calm Calm - N/A   Unknown
3:56 PM 75.7 °F 47.7 °F 37% 30.19 in 10.0 mi Calm Calm - N/A   Partly Cloudy
4:56 PM 77.4 °F 47.5 °F 35% 30.18 in 10.0 mi Calm Calm - N/A   Clear
5:56 PM 75.9 °F 47.8 °F 37% 30.18 in 10.0 mi Calm Calm - N/A   Clear
6:56 PM 72.9 °F 48.4 °F 42% 30.20 in 10.0 mi ESE 3.5 mph - N/A   Clear
7:56 PM 65.8 °F 51.1 °F 59% 30.21 in 10.0 mi Calm Calm - N/A   Clear
8:56 PM 61.9 °F 51.6 °F 69% 30.23 in 10.0 mi Calm Calm - N/A   Clear
9:56 PM 59.0 °F 51.4 °F 76% 30.25 in 10.0 mi Calm Calm - N/A   Clear
10:56 PM 63.7 °F 54.1 °F 71% 30.27 in 10.0 mi ESE 4.6 mph - N/A   Clear
11:56 PM 62.1 °F 53.6 °F 74% 30.28 in 10.0 mi SE 3.5 mph - N/A   Clear