Bristow, VA

8:41 PM EST on December 07, 2016 (GMT -0500)
Manassas Regional-Davis

Weather History for KHEF - February, 2013

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Saturday, February 23, 2013

  Actual Average Record
Temperature  
Mean Temperature 38 °F -  
Max Temperature 44 °F 46 °F 64 °F (2012)
Min Temperature 33 °F 25 °F 12 °F (1999)
Degree Days  
Heating Degree Days 26    
Moisture  
Dew Point 38 °F    
Average Humidity 98    
Maximum Humidity 100    
Minimum Humidity 93    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.00 in    
Wind  
Wind Speed 2 mph (NNW)    
Max Wind Speed 9 mph    
Max Gust Speed -    
Visibility 5 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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Daily Weather History Graph

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Date:

Astronomy

Feb. 23, 2013 Rise Set
Actual Time 6:50 AM EST 5:56 PM EST
Civil Twilight 6:23 AM EST 6:23 PM EST
Nautical Twilight 5:52 AM EST 6:54 PM EST
Astronomical Twilight 5:21 AM EST 7:25 PM EST
Moon 4:05 PM EST (2/23) 5:10 AM EST (2/23)
Length of Visible Light 12h 00m
Length of Day
11h 06m
Waxing Gibbous, 95% of the Moon is Illuminated
Feb 23
Waxing Gibbous
Feb 25
Full
Mar 4
Last Quarter
Mar 11
New
Mar 19
First Quarter

Hourly Weather History & Observations

Time (EST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:15 AM 33.8 °F - 32.0 °F 93% 30.21 in 10.0 mi Calm Calm - N/A   Overcast
12:35 AM 33.8 °F 30.8 °F 32.0 °F 93% 30.20 in 10.0 mi SSE 3.5 mph - N/A   Overcast
12:55 AM 33.8 °F - 33.8 °F 100% 30.18 in 10.0 mi Calm Calm - N/A   Overcast
1:15 AM 33.8 °F - 33.8 °F 100% 30.19 in 10.0 mi Calm Calm - N/A   Overcast
1:35 AM 33.8 °F - 33.8 °F 100% 30.19 in 5.0 mi Calm Calm - N/A   Overcast
2:15 AM 33.8 °F - 33.8 °F 100% 30.17 in 3.0 mi Calm Calm - N/A   Overcast
2:35 AM 33.8 °F - 33.8 °F 100% 30.17 in 3.0 mi Calm Calm - N/A   Overcast
2:55 AM 33.8 °F - 33.8 °F 100% 30.15 in 3.0 mi Calm Calm - N/A   Overcast
3:15 AM 33.8 °F - 33.8 °F 100% 30.15 in 2.5 mi Calm Calm - N/A   Overcast
3:35 AM 33.8 °F - 33.8 °F 100% 30.12 in 2.0 mi Calm Calm - N/A   Overcast
3:55 AM 33.8 °F - 33.8 °F 100% 30.11 in 3.0 mi Calm Calm - N/A   Overcast
4:15 AM 33.8 °F - 32.0 °F 93% 30.10 in 3.0 mi Calm Calm - N/A   Overcast
4:35 AM 33.8 °F - 33.8 °F 100% 30.11 in 4.0 mi Calm Calm - N/A   Overcast
4:55 AM 33.8 °F 30.8 °F 33.8 °F 100% 30.11 in 5.0 mi NNE 3.5 mph - N/A   Overcast
5:15 AM 33.8 °F - 33.8 °F 100% 30.12 in 4.0 mi Calm Calm - N/A   Overcast
5:35 AM 33.8 °F - 32.0 °F 93% 30.10 in 5.0 mi Calm Calm - N/A   Overcast
5:55 AM 33.8 °F - 33.8 °F 100% 30.09 in 4.0 mi Calm Calm - N/A   Overcast
6:15 AM 33.8 °F 29.6 °F 33.8 °F 100% 30.07 in 5.0 mi North 4.6 mph - N/A   Overcast
6:30 AM 33.8 °F 29.6 °F 33.8 °F 100% 30.07 in 4.0 mi NNW 4.6 mph - N/A   Overcast
6:55 AM 35.6 °F 30.7 °F 33.8 °F 93% 30.09 in 3.0 mi NNW 5.8 mph - N/A   Overcast
7:45 AM 33.8 °F 29.6 °F 32.0 °F 93% 30.08 in 1.0 mi North 4.6 mph - N/A   Overcast
8:15 AM 35.6 °F - 33.8 °F 93% 30.05 in 1.0 mi Calm Calm - N/A   Overcast
9:45 AM 35.6 °F 31.7 °F 33.8 °F 93% 30.02 in 1.2 mi Variable 4.6 mph - N/A   Overcast
9:55 AM 35.6 °F 31.7 °F 35.6 °F 100% 30.04 in 1.0 mi Variable 4.6 mph - N/A   Overcast
10:50 AM 37.4 °F 31.4 °F 37.4 °F 100% 29.98 in 1.0 mi NW 8.1 mph - N/A   Overcast
11:45 AM 37.4 °F 30.8 °F 37.4 °F 100% 29.98 in 1.5 mi NW 9.2 mph - N/A   Overcast
1:45 PM 41.0 °F 37.1 °F 41.0 °F 100% 29.93 in 4.0 mi North 5.8 mph - N/A   Overcast
3:55 PM 44.6 °F 41.4 °F 42.8 °F 93% 29.88 in 10.0 mi Variable 5.8 mph - N/A   Overcast
4:50 PM 44.6 °F 41.4 °F 42.8 °F 93% 29.87 in 10.0 mi Variable 5.8 mph - N/A   Overcast
5:55 PM 44.6 °F 42.2 °F 42.8 °F 93% 29.87 in 10.0 mi Variable 4.6 mph - N/A   Overcast
6:45 PM 42.8 °F 38.6 °F 41.0 °F 93% 29.87 in 10.0 mi Variable 6.9 mph - N/A   Overcast
6:55 PM 42.8 °F 40.1 °F 41.0 °F 93% 29.86 in 10.0 mi NE 4.6 mph - N/A   Overcast
7:15 PM 42.8 °F - 41.0 °F 93% 29.86 in 9.0 mi Calm Calm - N/A   Overcast
7:35 PM 42.8 °F 41.1 °F 42.8 °F 100% 29.86 in 8.0 mi North 3.5 mph - N/A   Overcast
7:55 PM 42.8 °F 40.1 °F 42.8 °F 100% 29.86 in 7.0 mi NNW 4.6 mph - N/A   Overcast
8:15 PM 42.8 °F 40.1 °F 42.8 °F 100% 29.85 in 5.0 mi NW 4.6 mph - N/A   Overcast
8:35 PM 42.8 °F 41.1 °F 42.8 °F 100% 29.85 in 3.0 mi NW 3.5 mph - N/A   Overcast
8:55 PM 42.8 °F 40.1 °F 42.8 °F 100% 29.85 in 3.0 mi NNW 4.6 mph - N/A   Overcast
9:15 PM 42.8 °F 41.1 °F 42.8 °F 100% 29.85 in 3.0 mi NNW 3.5 mph - N/A   Overcast
9:35 PM 42.8 °F 40.1 °F 42.8 °F 100% 29.84 in 4.0 mi NNW 4.6 mph - N/A   Overcast
9:55 PM 42.8 °F - 42.8 °F 100% 29.84 in 5.0 mi Calm Calm - N/A   Overcast
10:15 PM 42.8 °F 40.1 °F 42.8 °F 100% 29.83 in 5.0 mi NNW 4.6 mph - N/A   Overcast
10:35 PM 42.8 °F 40.1 °F 42.8 °F 100% 29.83 in 7.0 mi North 4.6 mph - N/A   Overcast
11:15 PM 42.8 °F 39.3 °F 42.8 °F 100% 29.82 in 10.0 mi North 5.8 mph - N/A   Overcast
11:35 PM 42.8 °F 39.3 °F 42.8 °F 100% 29.83 in 10.0 mi North 5.8 mph - N/A   Overcast
11:55 PM 42.8 °F 40.1 °F 41.0 °F 93% 29.84 in 10.0 mi North 4.6 mph - N/A   Overcast