Fort Belvoir, VA

3:46 AM EDT on September 21, 2019 (GMT -0400)
Davison Army Air Field

Weather History for KDAA - August, 2019

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Monday, August 19, 2019

  Actual Average Record
Temperature  
Mean Temperature 85 °F -  
Max Temperature 98 °F 86 °F 98 °F (2019)
Min Temperature 73 °F 65 °F 57 °F (1998)
Cooling Degree Days 20    
Growing Degree Days 35 (Base 50)    
Moisture  
Dew Point 71 °F    
Average Humidity 65    
Maximum Humidity 96    
Minimum Humidity 36    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.99 in    
Wind  
Wind Speed 3 mph (South)    
Max Wind Speed 9 mph    
Max Gust Speed -    
Visibility 10 miles    
Events Rain , Thunderstorm    
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. 19, 2019 Rise Set
Actual Time 6:26 AM EDT 7:58 PM EDT
Civil Twilight 5:57 AM EDT 8:26 PM EDT
Nautical Twilight 5:24 AM EDT 8:59 PM EDT
Astronomical Twilight 4:48 AM EDT 9:35 PM EDT
Moon 10:20 PM EDT (8/19) 10:03 AM EDT (8/19)
Length of Visible Light 14h 28m
Length of Day
13h 32m
Waning Gibbous, 85% of the Moon is Illuminated
Aug 19
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 76.3 °F - 72.3 °F 87% 29.99 in 10.0 mi SE 3.5 mph - N/A   Partly Cloudy
1:56 AM 75.6 °F - 72.7 °F 91% 29.98 in 10.0 mi Calm Calm - N/A   Clear
2:56 AM 74.3 °F - 72.3 °F 94% 29.97 in 10.0 mi Calm Calm - N/A   Clear
3:56 AM 75.0 °F - 73.4 °F 95% 29.97 in 10.0 mi Calm Calm - N/A   Clear
4:56 AM 73.9 °F - 72.3 °F 95% 29.98 in 8.0 mi Calm Calm - N/A   Clear
5:56 AM 73.6 °F - 72.3 °F 96% 29.99 in 10.0 mi Calm Calm - N/A   Clear
6:56 AM 73.0 °F - 71.8 °F 96% 30.00 in 10.0 mi Calm Calm - N/A   Partly Cloudy
7:38 AM 77.0 °F - 75.2 °F 94% 30.00 in 10.0 mi East 4.6 mph - N/A   Light Drizzle
7:56 AM 77.5 °F - 75.4 °F 93% 30.01 in 10.0 mi Calm Calm - 0.00 in Rain Light Rain
8:00 AM 77.0 °F - 75.2 °F 94% 30.00 in 10.0 mi Calm Calm - N/A   Clear
8:56 AM 81.5 °F 86.9 °F 73.6 °F 77% 30.02 in 10.0 mi WNW 5.8 mph - 0.00 in   Partly Cloudy
9:56 AM 85.6 °F 91.5 °F 72.0 °F 63% 30.02 in 10.0 mi West 4.6 mph - N/A   Clear
10:45 AM 87.8 °F 92.6 °F 69.8 °F 55% 30.01 in 10.0 mi Calm Calm - N/A   Clear
10:56 AM 88.7 °F 93.9 °F 70.3 °F 54% 30.02 in 10.0 mi Calm Calm - N/A   Clear
11:56 AM 93.2 °F 99.4 °F 70.5 °F 47% 30.02 in 10.0 mi WSW 3.5 mph - N/A   Clear
12:55 PM 93.2 °F 100.5 °F 71.6 °F 49% 30.00 in 10.0 mi SSE 6.9 mph - N/A   Partly Cloudy
1:55 PM 93.2 °F 100.5 °F 71.6 °F 49% 30.01 in 10.0 mi SSE 6.9 mph - N/A   Partly Cloudy
1:56 PM 97.2 °F 100.7 °F 66.4 °F 36% 29.99 in 10.0 mi West 6.9 mph - N/A   Clear
2:56 PM 96.4 °F 100.6 °F 67.3 °F 38% 29.97 in 10.0 mi Calm Calm - N/A   Partly Cloudy
2:57 PM 96.8 °F 101.8 °F 68.0 °F 39% 29.97 in 10.0 mi Variable 4.6 mph - N/A   Mostly Cloudy
3:56 PM 95.9 °F 100.1 °F 67.6 °F 39% 29.96 in 10.0 mi South 9.2 mph - N/A   Scattered Clouds
4:02 PM 96.8 °F 101.8 °F 68.0 °F 39% 29.96 in 10.0 mi South 6.9 mph - N/A   Light Drizzle
4:06 PM 96.8 °F 101.8 °F 68.0 °F 39% 29.95 in 10.0 mi South 6.9 mph - N/A Thunderstorm Thunderstorm
4:09 PM 96.8 °F 101.8 °F 68.0 °F 39% 29.96 in 10.0 mi South 6.9 mph - N/A Thunderstorm Thunderstorm
4:24 PM 96.8 °F 101.8 °F 68.0 °F 39% 29.96 in 10.0 mi SSW 4.6 mph - N/A Thunderstorm Clear
4:41 PM 93.2 °F 98.8 °F 69.8 °F 46% 29.95 in 10.0 mi Variable 4.6 mph - N/A   Clear
4:56 PM 92.1 °F 98.3 °F 70.2 °F 49% 29.97 in 10.0 mi ESE 4.6 mph - 0.00 in   Scattered Clouds
5:56 PM 92.3 °F 98.6 °F 70.3 °F 49% 29.96 in 10.0 mi South 3.5 mph - N/A   Clear
6:56 PM 88.0 °F 93.4 °F 70.7 °F 56% 29.96 in 10.0 mi Calm Calm - N/A   Clear
7:56 PM 84.4 °F 91.7 °F 73.9 °F 71% 29.98 in 10.0 mi Calm Calm - N/A   Clear
8:56 PM 82.0 °F 87.7 °F 73.6 °F 75% 30.01 in 10.0 mi SE 4.6 mph - N/A   Partly Cloudy
9:56 PM 83.1 °F 88.6 °F 72.3 °F 70% 30.03 in 10.0 mi SSE 4.6 mph - N/A   Clear
10:56 PM 81.5 °F 86.7 °F 73.2 °F 76% 30.05 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
11:56 PM 79.5 °F - 70.5 °F 74% 30.03 in 10.0 mi Calm Calm - N/A   Clear