Fort Belvoir, VA

9:05 AM EDT on May 27, 2017 (GMT -0400)
Davison Army Air Field

Weather History for KDAA - January, 2012

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Tuesday, January 17, 2012

  Actual Average Record
Temperature  
Mean Temperature 49 °F -  
Max Temperature 59 °F 41 °F 60 °F (1999)
Min Temperature 39 °F 24 °F 2 °F (2009)
Degree Days  
Heating Degree Days 16    
Moisture  
Dew Point 40 °F    
Average Humidity 72    
Maximum Humidity 88    
Minimum Humidity 57    
Precipitation  
Precipitation 0.20 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.96 in    
Wind  
Wind Speed 6 mph (SSW)    
Max Wind Speed 14 mph    
Max Gust Speed 21 mph    
Visibility 10 miles    
Events Rain    
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

Jan. 17, 2012 Rise Set
Actual Time 7:24 AM EST 5:12 PM EST
Civil Twilight 6:55 AM EST 5:41 PM EST
Nautical Twilight 6:23 AM EST 6:14 PM EST
Astronomical Twilight 5:51 AM EST 6:46 PM EST
Moon 1:42 AM EST (1/17) 12:04 PM EST (1/17)
Length of Visible Light 10h 46m
Length of Day
9h 48m
Waning Crescent, 35% of the Moon is Illuminated
Jan 17
Waning Crescent
Jan 23
New
Jan 30
First Quarter
Feb 7
Full
Feb 14
Last Quarter

Hourly Weather History & Observations

Time (EST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:21 AM 41.0 °F 35.8 °F 30.2 °F 65% 30.19 in 10.0 mi South 8.1 mph - N/A Rain Light Rain
12:30 AM 41.0 °F 36.4 °F 30.2 °F 65% 30.18 in 10.0 mi South 6.9 mph - N/A   Overcast
12:34 AM 41.0 °F 35.8 °F 30.2 °F 65% 30.18 in 10.0 mi South 8.1 mph - N/A Rain Light Rain
12:55 AM 40.3 °F 37.1 °F 33.6 °F 77% 30.18 in 6.0 mi Variable 4.6 mph - 0.02 in Rain Light Rain
1:15 AM 39.2 °F 35.0 °F 33.8 °F 81% 30.16 in 10.0 mi Variable 5.8 mph - N/A   Overcast
1:55 AM 41.7 °F 38.0 °F 33.1 °F 71% 30.14 in 10.0 mi Variable 5.8 mph - 0.02 in   Overcast
2:55 AM 43.5 °F 38.9 °F 32.4 °F 65% 30.11 in 10.0 mi South 8.1 mph - N/A   Overcast
3:33 AM 44.6 °F 41.4 °F 32.0 °F 61% 30.10 in 10.0 mi Variable 5.8 mph - N/A Rain Light Rain
3:55 AM 43.7 °F 41.1 °F 34.3 °F 70% 30.09 in 10.0 mi Variable 4.6 mph - 0.00 in Rain Light Rain
4:55 AM 42.3 °F 40.5 °F 37.0 °F 82% 30.07 in 8.0 mi Variable 3.5 mph - 0.04 in Rain Light Rain
5:55 AM 42.6 °F 39.9 °F 37.6 °F 82% 30.05 in 10.0 mi Variable 4.6 mph - 0.00 in Rain Light Rain
6:17 AM 42.8 °F 38.6 °F 37.4 °F 81% 30.05 in 10.0 mi South 6.9 mph - N/A   Mostly Cloudy
6:20 AM 42.8 °F 40.1 °F 37.4 °F 81% 30.04 in 10.0 mi Variable 4.6 mph - N/A Rain Light Rain
6:55 AM 42.8 °F 39.3 °F 38.3 °F 84% 30.04 in 10.0 mi Variable 5.8 mph - 0.00 in Rain Light Rain
7:55 AM 43.0 °F 40.3 °F 39.2 °F 86% 30.04 in 6.0 mi Variable 4.6 mph - 0.04 in Rain Light Rain
8:55 AM 43.7 °F 42.1 °F 40.3 °F 88% 30.03 in 10.0 mi Variable 3.5 mph - 0.05 in Rain Light Rain
9:51 AM 44.6 °F 43.1 °F 41.0 °F 87% 30.00 in 10.0 mi Variable 3.5 mph - N/A   Mostly Cloudy
9:55 AM 45.0 °F - 41.7 °F 88% 30.00 in 10.0 mi Calm Calm - 0.03 in   Mostly Cloudy
10:55 AM 47.8 °F - 41.7 °F 79% 29.97 in 10.0 mi Variable 5.8 mph - N/A   Mostly Cloudy
11:55 AM 51.1 °F - 41.7 °F 70% 29.89 in 10.0 mi South 8.1 mph - N/A   Mostly Cloudy
12:55 PM 54.1 °F - 42.3 °F 64% 29.86 in 10.0 mi Variable 5.8 mph - N/A   Partly Cloudy
1:25 PM 55.4 °F - 42.8 °F 63% 29.84 in 10.0 mi South 5.8 mph 18.4 mph N/A Rain Light Rain
1:37 PM 55.4 °F - 42.8 °F 63% 29.83 in 10.0 mi South 8.1 mph 16.1 mph N/A   Partly Cloudy
1:55 PM 55.6 °F - 43.7 °F 64% 29.81 in 10.0 mi Variable 6.9 mph - 0.00 in   Partly Cloudy
2:55 PM 56.3 °F - 43.7 °F 63% 29.79 in 10.0 mi SSW 13.8 mph 20.7 mph N/A   Scattered Clouds
3:55 PM 59.0 °F - 43.9 °F 57% 29.80 in 10.0 mi SSW 9.2 mph - N/A   Clear
4:55 PM 58.6 °F - 43.7 °F 58% 29.79 in 10.0 mi Variable 5.8 mph - N/A   Partly Cloudy
5:55 PM 59.4 °F - 44.4 °F 58% 29.79 in 10.0 mi SSW 5.8 mph 16.1 mph N/A   Partly Cloudy
6:55 PM 58.1 °F - 45.9 °F 64% 29.77 in 10.0 mi SSW 8.1 mph 18.4 mph N/A   Partly Cloudy
7:55 PM 58.1 °F - 47.8 °F 69% 29.75 in 10.0 mi South 9.2 mph 19.6 mph N/A   Scattered Clouds
8:55 PM 58.3 °F - 48.6 °F 70% 29.75 in 10.0 mi SSW 9.2 mph - N/A   Clear
9:55 PM 58.6 °F - 49.5 °F 72% 29.73 in 10.0 mi SSW 4.6 mph - N/A   Scattered Clouds
10:55 PM 58.8 °F - 50.7 °F 74% 29.73 in 10.0 mi SSW 8.1 mph 18.4 mph N/A   Clear
11:55 PM 58.3 °F - 51.1 °F 77% 29.73 in 10.0 mi Variable 6.9 mph - N/A   Clear