Fort Belvoir, VA

8:11 PM EDT on October 14, 2019 (GMT -0400)
Davison Army Air Field

Weather History for KDAA - September, 2019

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Saturday, September 21, 2019

  Actual Average Record
Temperature  
Mean Temperature 70 °F -  
Max Temperature 88 °F 76 °F 96 °F (1998)
Min Temperature 53 °F 55 °F 44 °F (2004)
Cooling Degree Days 5    
Growing Degree Days 20 (Base 50)    
Moisture  
Dew Point 59 °F    
Average Humidity 74    
Maximum Humidity 94    
Minimum Humidity 39    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.22 in    
Wind  
Wind Speed 1 mph ()    
Max Wind Speed 8 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. 21, 2019 Rise Set
Actual Time 6:55 AM EDT 7:07 PM EDT
Civil Twilight 6:28 AM EDT 7:34 PM EDT
Nautical Twilight 5:57 AM EDT 8:05 PM EDT
Astronomical Twilight 5:25 AM EDT 8:36 PM EDT
Moon 11:47 PM EDT (9/21) 1:55 PM EDT (9/21)
Length of Visible Light 13h 05m
Length of Day
12h 12m
Waning Gibbous, 55% of the Moon is Illuminated
Sep 21
Waning Gibbous
Sep 21
Last Quarter
Sep 28
New
Oct 5
First Quarter
Oct 13
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 57.2 °F - 54.9 °F 92% 30.25 in 10.0 mi Calm Calm - N/A   Clear
1:56 AM 55.9 °F - 53.6 °F 92% 30.25 in 10.0 mi Calm Calm - N/A   Clear
2:56 AM 55.2 °F - 53.2 °F 93% 30.25 in 10.0 mi Calm Calm - N/A   Clear
3:56 AM 54.3 °F - 52.7 °F 94% 30.24 in 10.0 mi Calm Calm - N/A   Clear
4:56 AM 54.7 °F - 52.7 °F 93% 30.23 in 10.0 mi Calm Calm - N/A   Clear
5:56 AM 54.0 °F - 52.3 °F 94% 30.25 in 10.0 mi Calm Calm - N/A   Clear
6:56 AM 53.6 °F - 52.0 °F 94% 30.26 in 10.0 mi Calm Calm - N/A   Clear
7:56 AM 54.9 °F - 52.9 °F 93% 30.26 in 10.0 mi Calm Calm - N/A   Clear
8:56 AM 65.3 °F - 58.3 °F 78% 30.27 in 10.0 mi Calm Calm - N/A   Clear
9:56 AM 72.5 °F - 57.7 °F 60% 30.27 in 10.0 mi Calm Calm - N/A   Clear
10:56 AM 76.3 °F - 57.9 °F 53% 30.26 in 10.0 mi Calm Calm - N/A   Clear
11:56 AM 79.7 °F - 61.0 °F 53% 30.24 in 10.0 mi SE 4.6 mph - N/A   Clear
12:56 PM 83.7 °F 83.8 °F 60.1 °F 45% 30.22 in 10.0 mi SE 5.8 mph - N/A   Clear
2:56 PM 87.8 °F 87.4 °F 59.7 °F 39% 30.18 in 10.0 mi SSE 3.5 mph - N/A   Clear
3:56 PM 87.6 °F 87.9 °F 61.7 °F 42% 30.16 in 10.0 mi SSE 5.8 mph - N/A   Clear
4:56 PM 87.3 °F 87.2 °F 60.6 °F 41% 30.15 in 10.0 mi SE 8.1 mph - N/A   Clear
6:56 PM 78.6 °F - 64.4 °F 62% 30.16 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
7:56 PM 74.1 °F - 64.9 °F 73% 30.16 in 10.0 mi Calm Calm - N/A   Partly Cloudy
8:56 PM 72.3 °F - 65.1 °F 78% 30.18 in 10.0 mi Calm Calm - N/A   Partly Cloudy
9:56 PM 70.7 °F - 64.6 °F 81% 30.19 in 10.0 mi Calm Calm - N/A   Clear
10:56 PM 69.3 °F - 64.6 °F 85% 30.19 in 10.0 mi Calm Calm - N/A   Partly Cloudy
11:56 PM 69.4 °F - 64.4 °F 84% 30.20 in 10.0 mi Calm Calm - N/A   Mostly Cloudy