Fort Belvoir, VA

2:20 AM EST on December 15, 2017 (GMT -0500)
Davison Army Air Field

Weather History for KDAA - September, 2013

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Friday, September 27, 2013

  Actual Average Record
Temperature  
Mean Temperature 62 °F -  
Max Temperature 72 °F 73 °F 100 °F (1998)
Min Temperature 52 °F 52 °F 42 °F (2000)
Degree Days  
Heating Degree Days 3    
Growing Degree Days 12 (Base 50)    
Moisture  
Dew Point 56 °F    
Average Humidity 87    
Maximum Humidity 100    
Minimum Humidity 55    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.19 in    
Wind  
Wind Speed 1 mph (SSE)    
Max Wind Speed 7 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

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Date:

Astronomy

Sep. 27, 2013 Rise Set
Actual Time 7:01 AM EDT 6:57 PM EDT
Civil Twilight 6:34 AM EDT 7:23 PM EDT
Nautical Twilight 6:03 AM EDT 7:54 PM EDT
Astronomical Twilight 5:32 AM EDT 8:25 PM EDT
Moon No Moon Rise 2:30 PM EDT (9/27)
Length of Visible Light 12h 49m
Length of Day
11h 56m
Last Quarter, 45% of the Moon is Illuminated
Sep 27
Last Quarter
Oct 4
New
Oct 11
First Quarter
Oct 18
Full
Oct 26
Last Quarter

Hourly Weather History & Observations

Time (EDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:58 AM 52.3 °F 52.2 °F 99% 30.10 in 10.0 mi Calm Calm - N/A   Clear
1:58 AM 52.7 °F 52.5 °F 99% 30.11 in 10.0 mi NW 1.2 mph - N/A   Clear
2:58 AM 52.2 °F 52.0 °F 99% 30.11 in 10.0 mi Calm Calm - N/A   Clear
3:58 AM 52.2 °F 52.0 °F 99% 30.11 in 10.0 mi WNW 1.2 mph - N/A   Mostly Cloudy
4:58 AM 52.7 °F 52.5 °F 99% 30.13 in 10.0 mi Calm Calm - N/A   Overcast
5:58 AM 54.3 °F 54.0 °F 99% 30.15 in 10.0 mi Calm Calm - N/A   Overcast
7:00 AM 55.4 °F 55.4 °F 100% 30.15 in 10.0 mi SSE 2.3 mph - N/A   Overcast
7:58 AM 57.0 °F 56.8 °F 99% 30.18 in 10.0 mi Calm Calm - N/A   Overcast
8:58 AM 60.8 °F 59.9 °F 97% 30.20 in 10.0 mi Calm Calm - N/A   Overcast
9:58 AM 63.9 °F 60.1 °F 87% 30.21 in 10.0 mi ESE 3.5 mph - N/A   Overcast
10:58 AM 66.0 °F 58.8 °F 78% 30.23 in 10.0 mi ESE 4.6 mph - N/A   Overcast
11:58 AM 66.2 °F 57.2 °F 73% 30.23 in 10.0 mi Variable 2.3 mph - N/A   Overcast
12:58 PM 70.0 °F 55.6 °F 60% 30.22 in 10.0 mi Variable 5.8 mph - N/A   Mostly Cloudy
1:58 PM 72.5 °F 55.8 °F 56% 30.20 in 10.0 mi Variable 4.6 mph - N/A   Mostly Cloudy
2:58 PM 71.6 °F 54.9 °F 55% 30.18 in 10.0 mi East 6.9 mph - N/A   Scattered Clouds
3:58 PM 69.6 °F 54.1 °F 58% 30.19 in 10.0 mi Variable 1.2 mph - N/A   Mostly Cloudy
4:58 PM 70.5 °F 54.5 °F 57% 30.19 in 10.0 mi Calm Calm - N/A   Scattered Clouds
5:58 PM 68.4 °F 56.7 °F 66% 30.19 in 10.0 mi SSW 1.2 mph - N/A   Clear
6:58 PM 63.3 °F 59.2 °F 86% 30.19 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
7:58 PM 61.7 °F 58.8 °F 90% 30.21 in 10.0 mi Calm Calm - N/A   Partly Cloudy
8:58 PM 58.3 °F 57.9 °F 99% 30.22 in 10.0 mi Calm Calm - N/A   Clear
9:58 PM 56.5 °F 56.3 °F 99% 30.24 in 10.0 mi Calm Calm - N/A   Overcast
10:58 PM 56.7 °F 56.5 °F 99% 30.26 in 10.0 mi Calm Calm - N/A   Clear
11:33 PM 55.4 °F 55.4 °F 100% 30.25 in 6.0 mi Calm Calm - N/A   Clear
11:43 PM 55.4 °F 55.4 °F 100% 30.25 in 10.0 mi Calm Calm - N/A   Clear
11:58 PM 55.0 °F 54.9 °F 99% 30.26 in 10.0 mi Calm Calm - N/A   Clear