Fort Belvoir, VA

8:02 AM EDT on August 24, 2019 (GMT -0400)
Davison Army Air Field

Weather History for KDAA - July, 2019

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Sunday, July 21, 2019

  Actual Average Record
Temperature  
Mean Temperature 86 °F -  
Max Temperature 99 °F 86 °F 99 °F (2019)
Min Temperature 74 °F 66 °F 59 °F (1996)
Cooling Degree Days 22    
Growing Degree Days 36 (Base 50)    
Moisture  
Dew Point 72 °F    
Average Humidity 64    
Maximum Humidity 93    
Minimum Humidity 40    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.89 in    
Wind  
Wind Speed 3 mph (West)    
Max Wind Speed 13 mph    
Max Gust Speed 17 mph    
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

Jul. 21, 2019 Rise Set
Actual Time 6:00 AM EDT 8:29 PM EDT
Civil Twilight 5:30 AM EDT 8:59 PM EDT
Nautical Twilight 4:52 AM EDT 9:37 PM EDT
Astronomical Twilight 4:10 AM EDT 10:19 PM EDT
Moon 11:25 PM EDT (7/21) 10:16 AM EDT (7/21)
Length of Visible Light 15h 29m
Length of Day
14h 28m
Waning Gibbous, 80% of the Moon is Illuminated
Jul 21
Waning Gibbous
Jul 24
Last Quarter
Jul 31
New
Aug 7
First Quarter
Aug 15
Full

Hourly Weather History & Observations

Time (EDT) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:33 AM 80.6 °F 84.6 °F 71.6 °F 74% 29.89 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
12:56 AM 79.3 °F - 71.1 °F 76% 29.89 in 10.0 mi Calm Calm - 0.00 in   Partly Cloudy
1:56 AM 78.4 °F - 71.2 °F 78% 29.90 in 10.0 mi Calm Calm - N/A   Clear
2:56 AM 77.2 °F - 72.0 °F 84% 29.89 in 10.0 mi Calm Calm - N/A   Clear
3:56 AM 75.0 °F - 71.8 °F 90% 29.87 in 10.0 mi SE 3.5 mph - N/A   Clear
4:56 AM 74.8 °F - 72.0 °F 91% 29.87 in 10.0 mi Calm Calm - N/A   Clear
5:56 AM 74.1 °F - 72.0 °F 93% 29.88 in 10.0 mi Calm Calm - N/A   Clear
6:56 AM 74.8 °F - 72.7 °F 93% 29.90 in 10.0 mi Calm Calm - N/A   Partly Cloudy
7:56 AM 83.1 °F 89.5 °F 73.6 °F 73% 29.92 in 10.0 mi Calm Calm - N/A   Clear
8:56 AM 89.1 °F 97.5 °F 73.8 °F 60% 29.93 in 10.0 mi West 4.6 mph - N/A   Clear
9:56 AM 92.7 °F 101.7 °F 73.4 °F 53% 29.92 in 10.0 mi WNW 12.7 mph 17.3 mph N/A   Clear
10:56 AM 94.5 °F 103.9 °F 73.4 °F 50% 29.91 in 10.0 mi NW 6.9 mph - N/A   Clear
11:56 AM 95.9 °F 105.2 °F 72.9 °F 47% 29.91 in 10.0 mi WNW 8.1 mph - N/A   Clear
12:56 PM 96.6 °F 104.7 °F 71.6 °F 44% 29.89 in 10.0 mi NW 10.4 mph - N/A   Clear
1:56 PM 97.5 °F 106.0 °F 71.8 °F 43% 29.89 in 10.0 mi WNW 12.7 mph - N/A   Clear
2:56 PM 98.8 °F 108.9 °F 73.0 °F 43% 29.87 in 10.0 mi West 9.2 mph - N/A   Clear
3:56 PM 98.6 °F 107.7 °F 72.1 °F 42% 29.86 in 10.0 mi WSW 5.8 mph - N/A   Clear
4:56 PM 99.1 °F 107.4 °F 71.2 °F 40% 29.85 in 10.0 mi West 6.9 mph - N/A   Clear
5:56 PM 97.2 °F 108.9 °F 74.7 °F 48% 29.85 in 10.0 mi SSW 5.8 mph - N/A   Clear
6:56 PM 95.2 °F 103.6 °F 72.3 °F 47% 29.86 in 10.0 mi SW 3.5 mph - N/A   Partly Cloudy
7:56 PM 88.7 °F 93.9 °F 70.3 °F 54% 29.90 in 10.0 mi West 6.9 mph - N/A   Clear
8:56 PM 82.4 °F 85.6 °F 68.5 °F 63% 29.88 in 10.0 mi Calm Calm - N/A   Clear
10:56 PM 78.6 °F - 70.3 °F 76% 29.90 in 10.0 mi Calm Calm - N/A   Clear
11:56 PM 78.6 °F - 68.4 °F 71% 29.91 in 10.0 mi Calm Calm - N/A   Clear