Fort Belvoir, VA

11:17 PM EDT on October 20, 2019 (GMT -0400)
Davison Army Air Field

Weather History for KDAA - August, 2019

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Tuesday, August 20, 2019

  Actual Average Record
Temperature  
Mean Temperature 84 °F -  
Max Temperature 95 °F 86 °F 93 °F (2002)
Min Temperature 71 °F 65 °F 55 °F (1998)
Cooling Degree Days 18    
Growing Degree Days 34 (Base 50)    
Moisture  
Dew Point 70 °F    
Average Humidity 76    
Maximum Humidity 94    
Minimum Humidity 41    
Precipitation  
Precipitation 0.12 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.06 in    
Wind  
Wind Speed 3 mph ()    
Max Wind Speed 10 mph    
Max Gust Speed -    
Visibility 9.9 miles    
Events Rain , Thunderstorm    
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

Aug. 20, 2019 Rise Set
Actual Time 6:26 AM EDT 7:56 PM EDT
Civil Twilight 5:58 AM EDT 8:24 PM EDT
Nautical Twilight 5:25 AM EDT 8:58 PM EDT
Astronomical Twilight 4:49 AM EDT 9:33 PM EDT
Moon 10:47 PM EDT (8/20) 11:00 AM EDT (8/20)
Length of Visible Light 14h 25m
Length of Day
13h 29m
Waning Gibbous, 78% of the Moon is Illuminated
Aug 20
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 77.0 °F - 70.7 °F 81% 30.03 in 10.0 mi Calm Calm - N/A   Partly Cloudy
1:56 AM 77.4 °F - 71.1 °F 81% 30.03 in 10.0 mi Calm Calm - N/A   Clear
3:56 AM 75.0 °F - 71.2 °F 88% 30.04 in 10.0 mi Calm Calm - N/A   Partly Cloudy
4:56 AM 74.8 °F - 70.7 °F 87% 30.05 in 10.0 mi NW 3.5 mph - N/A   Clear
5:56 AM 75.0 °F - 70.2 °F 85% 30.06 in 10.0 mi WNW 3.5 mph - N/A   Clear
6:56 AM 72.5 °F - 70.0 °F 92% 30.07 in 10.0 mi Calm Calm - N/A   Clear
7:56 AM 77.9 °F - 70.9 °F 79% 30.09 in 10.0 mi Calm Calm - N/A   Clear
8:56 AM 84.2 °F 90.3 °F 72.5 °F 68% 30.09 in 10.0 mi NNE 3.5 mph - N/A   Clear
9:56 AM 86.7 °F 95.9 °F 74.8 °F 68% 30.09 in 10.0 mi Calm Calm - N/A   Clear
11:56 AM 92.8 °F 100.9 °F 72.5 °F 51% 30.09 in 10.0 mi SSE 6.9 mph - N/A   Partly Cloudy
12:56 PM 94.1 °F 100.6 °F 70.7 °F 46% 30.07 in 10.0 mi South 9.2 mph - N/A   Partly Cloudy
1:56 PM 94.6 °F 101.8 °F 71.2 °F 46% 30.05 in 10.0 mi ESE 6.9 mph - N/A Thunderstorm Clear
2:21 PM 96.8 °F 105.1 °F 71.6 °F 44% 30.04 in 10.0 mi ESE 6.9 mph - N/A   Partly Cloudy
2:54 PM 95.0 °F 99.5 °F 68.0 °F 41% 30.04 in 10.0 mi SE 10.4 mph - N/A Thunderstorm Thunderstorm
2:56 PM 95.0 °F 99.5 °F 68.2 °F 41% 30.04 in 10.0 mi SE 10.4 mph - N/A Thunderstorm Thunderstorm
3:20 PM 93.2 °F 100.5 °F 71.6 °F 49% 30.03 in 10.0 mi Calm Calm - N/A   Clear
3:56 PM 95.5 °F 101.8 °F 70.0 °F 43% 30.02 in 10.0 mi SE 3.5 mph - N/A   Clear
4:56 PM 93.9 °F 98.6 °F 68.5 °F 43% 30.00 in 10.0 mi SE 8.1 mph - N/A   Clear
5:56 PM 84.4 °F 88.5 °F 69.4 °F 61% 30.03 in 10.0 mi ESE 6.9 mph - N/A Thunderstorm Scattered Clouds
6:08 PM 82.4 °F 85.4 °F 68.0 °F 62% 30.02 in 10.0 mi Variable 4.6 mph - N/A Thunderstorm Thunderstorm
6:09 PM 82.4 °F 85.4 °F 68.0 °F 62% 30.03 in 10.0 mi NNE 3.5 mph - N/A Thunderstorm Partly Cloudy
6:22 PM 82.4 °F 85.4 °F 68.0 °F 62% 30.03 in 10.0 mi NW 6.9 mph - N/A Rain , Thunderstorm Light Rain
6:28 PM 82.4 °F 85.4 °F 68.0 °F 62% 30.02 in 10.0 mi NW 9.2 mph - N/A Rain , Thunderstorm Light Thunderstorms and Rain
6:56 PM 76.3 °F - 71.8 °F 86% 30.09 in 6.0 mi South 9.2 mph - 0.08 in Rain , Thunderstorm Thunderstorms and Rain
7:12 PM 75.2 °F - 68.0 °F 78% 30.06 in 9.0 mi South 5.8 mph - N/A Rain , Thunderstorm Light Rain
7:18 PM 73.4 °F - 68.0 °F 83% 30.05 in 10.0 mi Variable 4.6 mph - N/A Rain , Thunderstorm Light Thunderstorms and Rain
7:19 PM 73.4 °F - 68.0 °F 83% 30.06 in 10.0 mi SSE 3.5 mph - N/A Rain , Thunderstorm Light Rain
7:28 PM 73.4 °F - 68.0 °F 83% 30.03 in 10.0 mi SSE 5.8 mph - N/A Rain , Thunderstorm Light Thunderstorms and Rain
7:29 PM 73.4 °F - 68.0 °F 83% 30.04 in 10.0 mi SSE 5.8 mph - N/A Rain Light Rain
7:32 PM 73.4 °F - 68.0 °F 83% 30.05 in 10.0 mi SSW 3.5 mph - N/A   Partly Cloudy
7:39 PM 73.4 °F - 68.0 °F 83% 30.04 in 10.0 mi Calm Calm - N/A Thunderstorm Thunderstorm
7:40 PM 73.4 °F - 68.0 °F 83% 30.05 in 10.0 mi Calm Calm - N/A   Clear
7:56 PM 73.6 °F - 70.2 °F 89% 30.09 in 10.0 mi West 3.5 mph - 0.04 in   Scattered Clouds
7:58 PM 73.4 °F - 69.8 °F 88% 30.09 in 10.0 mi WNW 6.9 mph - N/A Thunderstorm Thunderstorm
8:01 PM 73.4 °F - 69.8 °F 88% 30.09 in 10.0 mi West 6.9 mph - N/A Rain , Thunderstorm Light Thunderstorms and Rain
8:02 PM 73.4 °F - 69.8 °F 88% 30.10 in 10.0 mi West 5.8 mph - N/A Rain Light Rain
8:14 PM 73.4 °F - 69.8 °F 88% 30.08 in 10.0 mi Variable 4.6 mph - N/A Rain , Thunderstorm Light Thunderstorms and Rain
8:15 PM 73.4 °F - 69.8 °F 88% 30.09 in 10.0 mi WNW 5.8 mph - N/A Rain Light Rain
8:24 PM 73.4 °F - 69.8 °F 88% 30.08 in 10.0 mi Calm Calm - N/A Rain , Thunderstorm Light Thunderstorms and Rain
8:25 PM 73.4 °F - 69.8 °F 88% 30.09 in 10.0 mi Calm Calm - N/A Rain Light Rain
8:31 PM 73.4 °F - 69.8 °F 88% 30.08 in 10.0 mi Calm Calm - N/A Rain , Thunderstorm Light Thunderstorms and Rain
8:32 PM 73.4 °F - 69.8 °F 88% 30.09 in 10.0 mi Calm Calm - N/A   Light Drizzle
8:33 PM 73.4 °F - 69.8 °F 88% 30.09 in 10.0 mi Calm Calm - N/A   Scattered Clouds
8:42 PM 73.4 °F - 69.8 °F 88% 30.07 in 10.0 mi ESE 6.9 mph - N/A Thunderstorm Thunderstorm
8:43 PM 73.4 °F - 69.8 °F 88% 30.08 in 10.0 mi ESE 6.9 mph - N/A   Scattered Clouds
8:56 PM 72.5 °F - 70.0 °F 92% 30.06 in 10.0 mi Calm Calm - 0.00 in   Scattered Clouds
8:57 PM 73.4 °F - 69.8 °F 88% 30.06 in 10.0 mi Calm Calm - N/A   Light Drizzle
9:18 PM 73.4 °F - 71.6 °F 94% 30.05 in 10.0 mi Calm Calm - N/A   Partly Cloudy
9:56 PM 72.7 °F - 70.9 °F 94% 30.03 in 10.0 mi Calm Calm - 0.00 in   Clear
10:56 PM 71.4 °F - 69.6 °F 94% 30.04 in 10.0 mi SSE 3.5 mph - N/A   Clear
11:56 PM 71.6 °F - 68.2 °F 89% 30.05 in 10.0 mi SE 3.5 mph - N/A   Clear