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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Monday, February 18, 2013

  Actual Average Record
Temperature  
Mean Temperature 30 °F -  
Max Temperature 44 °F 46 °F 75 °F (2011)
Min Temperature 15 °F 25 °F 1 °F (2015)
Degree Days  
Heating Degree Days 36    
Moisture  
Dew Point 12 °F    
Average Humidity 54    
Maximum Humidity 93    
Minimum Humidity 23    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.27 in    
Wind  
Wind Speed 8 mph (SW)    
Max Wind Speed 17 mph    
Max Gust Speed 24 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

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Daily Weather History Graph

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Date:

Astronomy

Feb. 18, 2013 Rise Set
Actual Time 6:57 AM EST 5:51 PM EST
Civil Twilight 6:29 AM EST 6:18 PM EST
Nautical Twilight 5:58 AM EST 6:49 PM EST
Astronomical Twilight 5:28 AM EST 7:20 PM EST
Moon 11:37 AM EST (2/18) 1:33 AM EST (2/18)
Length of Visible Light 11h 48m
Length of Day
10h 54m
First Quarter, 58% of the Moon is Illuminated
Feb 18
First Quarter
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 24.8 °F 11.9 °F 8.6 °F 50% 30.23 in 10.0 mi NW 16.1 mph 24.2 mph N/A   Clear
12:35 AM 24.8 °F 11.5 °F 8.6 °F 50% 30.24 in 10.0 mi NW 17.3 mph 24.2 mph N/A   Clear
12:55 AM 24.8 °F 11.9 °F 8.6 °F 50% 30.25 in 10.0 mi NW 16.1 mph 19.6 mph N/A   Clear
1:15 AM 24.8 °F 15.3 °F 8.6 °F 50% 30.26 in 10.0 mi NW 9.2 mph - N/A   Clear
1:35 AM 24.8 °F 14.6 °F 10.4 °F 54% 30.26 in 10.0 mi WNW 10.4 mph 18.4 mph N/A   Clear
1:55 AM 23.0 °F 11.1 °F 10.4 °F 59% 30.26 in 10.0 mi NW 12.7 mph - N/A   Clear
2:15 AM 23.0 °F 12.4 °F 10.4 °F 59% 30.27 in 10.0 mi WNW 10.4 mph - N/A   Clear
2:35 AM 23.0 °F 11.1 °F 10.4 °F 59% 30.27 in 10.0 mi NW 12.7 mph 18.4 mph N/A   Clear
2:55 AM 23.0 °F 13.9 °F 8.6 °F 54% 30.28 in 10.0 mi West 8.1 mph - N/A   Clear
3:15 AM 23.0 °F - 8.6 °F 54% 30.28 in 10.0 mi Calm Calm - N/A   Clear
3:35 AM 21.2 °F 13.6 °F 10.4 °F 63% 30.28 in 10.0 mi WNW 5.8 mph - N/A   Clear
3:55 AM 21.2 °F - 10.4 °F 63% 30.28 in 10.0 mi Calm Calm - N/A   Clear
4:15 AM 21.2 °F - 10.4 °F 63% 30.28 in 10.0 mi Calm Calm - N/A   Clear
4:35 AM 17.6 °F 10.7 °F 12.2 °F 79% 30.30 in 10.0 mi SSE 4.6 mph - N/A   Clear
4:55 AM 17.6 °F 12.3 °F 12.2 °F 79% 30.31 in 10.0 mi WSW 3.5 mph - N/A   Clear
5:15 AM 17.6 °F - 12.2 °F 79% 30.32 in 10.0 mi Calm Calm - N/A   Clear
5:35 AM 15.8 °F 7.2 °F 12.2 °F 86% 30.33 in 10.0 mi SSE 5.8 mph - N/A   Clear
5:55 AM 19.4 °F 12.8 °F 10.4 °F 68% 30.33 in 10.0 mi West 4.6 mph - N/A   Clear
6:15 AM 17.6 °F - 12.2 °F 79% 30.34 in 10.0 mi Calm Calm - N/A   Clear
6:35 AM 17.6 °F - 12.2 °F 79% 30.35 in 10.0 mi Calm Calm - N/A   Clear
6:55 AM 15.8 °F 6.1 °F 12.2 °F 86% 30.36 in 10.0 mi SE 6.9 mph - N/A   Clear
7:45 AM 17.6 °F - 15.8 °F 93% 30.38 in 10.0 mi Calm Calm - N/A   Clear
8:45 AM 26.6 °F - 12.2 °F 55% 30.40 in 10.0 mi Calm Calm - N/A   Clear
9:05 AM 26.6 °F 19.1 °F 12.2 °F 55% 30.40 in 10.0 mi North 6.9 mph - N/A   Clear
9:50 AM 30.2 °F 24.3 °F 10.4 °F 44% 30.39 in 10.0 mi NNW 5.8 mph - N/A   Clear
10:50 AM 33.8 °F - 8.6 °F 35% 30.38 in 10.0 mi Calm Calm - N/A   Clear
11:55 AM 37.4 °F - 8.6 °F 30% 30.35 in 10.0 mi Calm Calm - N/A   Clear
12:55 PM 37.4 °F 33.8 °F 10.4 °F 33% 30.32 in 10.0 mi South 4.6 mph - N/A   Clear
1:45 PM 39.2 °F 34.2 °F 12.2 °F 33% 30.28 in 10.0 mi South 6.9 mph - N/A   Clear
2:45 PM 42.8 °F 38.6 °F 10.4 °F 27% 30.27 in 10.0 mi SSW 6.9 mph - N/A   Clear
3:50 PM 44.6 °F 40.2 °F 8.6 °F 23% 30.24 in 10.0 mi SSW 8.1 mph - N/A   Clear
4:45 PM 44.6 °F 40.2 °F 10.4 °F 25% 30.23 in 10.0 mi South 8.1 mph - N/A   Clear
6:45 PM 33.8 °F 29.6 °F 15.8 °F 48% 30.24 in 10.0 mi SE 4.6 mph - N/A   Clear
7:55 PM 35.6 °F - 12.2 °F 38% 30.23 in 10.0 mi Calm Calm - N/A   Clear
8:15 PM 35.6 °F 30.7 °F 12.2 °F 38% 30.22 in 10.0 mi South 5.8 mph - N/A   Clear
8:35 PM 35.6 °F 30.7 °F 12.2 °F 38% 30.21 in 10.0 mi South 5.8 mph - N/A   Clear
8:55 PM 33.8 °F 29.6 °F 14.0 °F 44% 30.21 in 10.0 mi SSE 4.6 mph - N/A   Clear
9:15 PM 35.6 °F 31.7 °F 14.0 °F 41% 30.20 in 10.0 mi SSE 4.6 mph - N/A   Clear
9:35 PM 32.0 °F - 21.2 °F 64% 30.20 in 10.0 mi Calm Calm - N/A   Clear
9:55 PM 30.2 °F - 21.2 °F 69% 30.19 in 10.0 mi Calm Calm - N/A   Clear
10:15 PM 32.0 °F 28.7 °F 19.4 °F 60% 30.18 in 10.0 mi South 3.5 mph - N/A   Clear
10:35 PM 35.6 °F 31.7 °F 17.6 °F 48% 30.18 in 10.0 mi South 4.6 mph - N/A   Clear
10:55 PM 35.6 °F 30.7 °F 17.6 °F 48% 30.18 in 10.0 mi SSE 5.8 mph - N/A   Clear
11:15 PM 35.6 °F 30.7 °F 17.6 °F 48% 30.17 in 10.0 mi South 5.8 mph - N/A   Clear
11:35 PM 35.6 °F 31.7 °F 19.4 °F 52% 30.16 in 10.0 mi South 4.6 mph - N/A   Clear
11:55 PM 35.6 °F 30.7 °F 19.4 °F 52% 30.16 in 10.0 mi South 5.8 mph - N/A   Clear