Fort Belvoir, VA

11:57 AM EDT on October 17, 2019 (GMT -0400)
Davison Army Air Field

Weather History for KDAA - August, 2019

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Sunday, August 18, 2019

  Actual Average Record
Temperature  
Mean Temperature 83 °F -  
Max Temperature 95 °F 87 °F 96 °F (1999)
Min Temperature 71 °F 65 °F 59 °F (2007)
Cooling Degree Days 18    
Growing Degree Days 33 (Base 50)    
Moisture  
Dew Point 71 °F    
Average Humidity 70    
Maximum Humidity 96    
Minimum Humidity 37    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.99 in    
Wind  
Wind Speed 2 mph (SE)    
Max Wind Speed 10 mph    
Max Gust Speed -    
Visibility 10 miles    
Events      
Averages and records for this station are not official NWS values.
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

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Astronomy

Aug. 18, 2019 Rise Set
Actual Time 6:25 AM EDT 7:59 PM EDT
Civil Twilight 5:56 AM EDT 8:27 PM EDT
Nautical Twilight 5:22 AM EDT 9:01 PM EDT
Astronomical Twilight 4:46 AM EDT 9:37 PM EDT
Moon 9:55 PM EDT (8/18) 9:06 AM EDT (8/18)
Length of Visible Light 14h 30m
Length of Day
13h 34m
Waning Gibbous, 91% of the Moon is Illuminated
Aug 18
Waning Gibbous
Aug 23
Last Quarter
Aug 30
New
Sep 5
First Quarter
Sep 14
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 73.0 °F - 71.2 °F 94% 29.98 in 10.0 mi Calm Calm - N/A   Clear
1:56 AM 72.3 °F - 70.5 °F 94% 29.98 in 10.0 mi Calm Calm - N/A   Clear
2:56 AM 73.4 °F - 71.6 °F 94% 29.98 in 10.0 mi Calm Calm - N/A   Clear
3:56 AM 72.3 °F - 70.7 °F 95% 29.98 in 10.0 mi Calm Calm - N/A   Clear
4:56 AM 72.3 °F - 71.1 °F 96% 29.98 in 10.0 mi Calm Calm - N/A   Clear
5:56 AM 72.3 °F - 71.1 °F 96% 29.99 in 10.0 mi Calm Calm - N/A   Clear
6:56 AM 71.8 °F - 70.5 °F 96% 30.01 in 7.0 mi Calm Calm - N/A   Clear
7:56 AM 75.9 °F - 74.3 °F 95% 30.01 in 10.0 mi South 4.6 mph - N/A   Clear
8:56 AM 79.9 °F - 73.0 °F 80% 30.01 in 10.0 mi Calm Calm - N/A   Clear
9:56 AM 84.2 °F 91.2 °F 73.8 °F 71% 30.01 in 10.0 mi Calm Calm - N/A   Clear
10:56 AM 87.4 °F 94.4 °F 72.7 °F 61% 30.02 in 10.0 mi ESE 5.8 mph - N/A   Clear
11:56 AM 90.5 °F 97.5 °F 72.0 °F 54% 30.01 in 10.0 mi SE 5.8 mph - N/A   Clear
12:56 PM 93.4 °F 97.0 °F 67.5 °F 42% 30.00 in 10.0 mi Calm Calm - N/A   Partly Cloudy
1:22 PM 93.2 °F 100.5 °F 71.6 °F 49% 30.00 in 10.0 mi SSE 6.9 mph - N/A   Light Drizzle
1:32 PM 95.0 °F 103.2 °F 71.6 °F 47% 30.00 in 10.0 mi ESE 6.9 mph - N/A   Scattered Clouds
1:57 PM 95.4 °F 102.7 °F 71.2 °F 45% 30.00 in 10.0 mi ESE 5.8 mph - 0.00 in   Clear
2:56 PM 95.5 °F 102.4 °F 70.7 °F 44% 29.98 in 10.0 mi ESE 10.4 mph - N/A   Partly Cloudy
3:56 PM 95.0 °F 100.1 °F 68.9 °F 42% 29.96 in 10.0 mi SSE 9.2 mph - N/A   Clear
4:56 PM 94.8 °F 97.1 °F 65.1 °F 37% 29.96 in 10.0 mi SE 6.9 mph - N/A   Clear
5:56 PM 91.0 °F 95.2 °F 68.0 °F 47% 29.96 in 10.0 mi SSE 4.6 mph - N/A   Clear
6:56 PM 90.0 °F 96.9 °F 71.6 °F 55% 29.94 in 10.0 mi SE 4.6 mph - N/A   Clear
7:56 PM 84.6 °F 91.4 °F 73.2 °F 69% 29.95 in 10.0 mi Calm Calm - N/A   Clear
8:56 PM 79.7 °F - 72.9 °F 80% 29.97 in 10.0 mi Calm Calm - N/A   Clear
9:56 PM 79.5 °F - 73.0 °F 80% 29.99 in 10.0 mi NNW 3.5 mph - N/A   Partly Cloudy
10:56 PM 80.1 °F 84.2 °F 72.9 °F 79% 29.98 in 10.0 mi Calm Calm - N/A   Clear
11:56 PM 78.4 °F - 72.1 °F 81% 29.98 in 10.0 mi Calm Calm - N/A   Clear