Manassas, VA

4:09 AM EDT on April 25, 2017 (GMT -0400)
Manassas Regional-Davis

Weather History for KHEF - September, 2013

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Saturday, September 21, 2013

  Actual Average Record
Temperature  
Mean Temperature 65 °F -  
Max Temperature 73 °F 74 °F 89 °F (1998)
Min Temperature 57 °F 52 °F 41 °F (2006)
Growing Degree Days 15 (Base 50)    
Moisture  
Dew Point 62 °F    
Average Humidity 89    
Maximum Humidity 100    
Minimum Humidity 69    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.86 in    
Wind  
Wind Speed 5 mph (South)    
Max Wind Speed 14 mph    
Max Gust Speed 16 mph    
Visibility 9 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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Daily Weather History Graph

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Astronomy

Sep. 21, 2013 Rise Set
Actual Time 6:57 AM EDT 7:08 PM EDT
Civil Twilight 6:30 AM EDT 7:34 PM EDT
Nautical Twilight 5:59 AM EDT 8:05 PM EDT
Astronomical Twilight 5:27 AM EDT 8:37 PM EDT
Moon 8:19 PM EDT (9/21) 9:11 AM EDT (9/21)
Length of Visible Light 13h 04m
Length of Day
12h 11m
Waning Gibbous, 94% of the Moon is Illuminated
Sep 21
Waning Gibbous
Sep 26
Last Quarter
Oct 4
New
Oct 11
First Quarter
Oct 18
Full

Hourly Weather History & Observations

Time (EDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:15 AM 64.4 °F 62.6 °F 94% 29.98 in 10.0 mi SSE 5.8 mph - N/A   Mostly Cloudy
12:35 AM 64.4 °F 62.6 °F 94% 29.97 in 10.0 mi SSE 5.8 mph - N/A   Mostly Cloudy
12:55 AM 62.6 °F 60.8 °F 94% 29.97 in 10.0 mi SSE 4.6 mph - N/A   Partly Cloudy
1:15 AM 62.6 °F 60.8 °F 94% 29.97 in 10.0 mi South 4.6 mph - N/A   Clear
1:35 AM 62.6 °F 60.8 °F 94% 29.97 in 10.0 mi SSE 5.8 mph - N/A   Mostly Cloudy
1:55 AM 62.6 °F 60.8 °F 94% 29.96 in 10.0 mi SSE 4.6 mph - N/A   Overcast
2:15 AM 62.6 °F 60.8 °F 94% 29.96 in 10.0 mi SSE 3.5 mph - N/A   Scattered Clouds
2:35 AM 62.6 °F 60.8 °F 94% 29.96 in 10.0 mi SSE 5.8 mph - N/A   Mostly Cloudy
2:55 AM 62.6 °F 60.8 °F 94% 29.95 in 10.0 mi South 3.5 mph - N/A   Mostly Cloudy
3:15 AM 60.8 °F 59.0 °F 94% 29.95 in 10.0 mi SSE 5.8 mph - N/A   Mostly Cloudy
3:35 AM 60.8 °F 60.8 °F 100% 29.95 in 10.0 mi SSE 4.6 mph - N/A   Mostly Cloudy
3:55 AM 60.8 °F 59.0 °F 94% 29.94 in 10.0 mi SE 3.5 mph - N/A   Mostly Cloudy
4:15 AM 60.8 °F 59.0 °F 94% 29.94 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
4:35 AM 60.8 °F 59.0 °F 94% 29.94 in 10.0 mi Calm Calm - N/A   Partly Cloudy
4:55 AM 60.8 °F 59.0 °F 94% 29.94 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
5:15 AM 60.8 °F 59.0 °F 94% 29.93 in 10.0 mi Calm Calm - N/A   Scattered Clouds
5:35 AM 59.0 °F 59.0 °F 100% 29.92 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
5:55 AM 60.8 °F 59.0 °F 94% 29.92 in 10.0 mi Calm Calm - N/A   Partly Cloudy
6:15 AM 57.2 °F 55.4 °F 94% 29.92 in 10.0 mi SE 3.5 mph - N/A   Clear
6:35 AM 57.2 °F 57.2 °F 100% 29.92 in 10.0 mi Calm Calm - N/A   Partly Cloudy
6:55 AM 57.2 °F 55.4 °F 94% 29.91 in 10.0 mi SE 3.5 mph - N/A   Mostly Cloudy
7:15 AM 59.0 °F 59.0 °F 100% 29.91 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
7:35 AM 60.8 °F 60.8 °F 100% 29.91 in 10.0 mi Calm Calm - N/A   Overcast
7:55 AM 60.8 °F 59.0 °F 94% 29.91 in 10.0 mi SSE 3.5 mph - N/A   Overcast
8:15 AM 62.6 °F 60.8 °F 94% 29.90 in 10.0 mi SSE 4.6 mph - N/A   Overcast
8:35 AM 64.4 °F 62.6 °F 94% 29.90 in 10.0 mi SSE 4.6 mph - N/A   Overcast
8:55 AM 64.4 °F 62.6 °F 94% 29.89 in 10.0 mi SSE 6.9 mph - N/A   Overcast
9:15 AM 66.2 °F 62.6 °F 88% 29.89 in 10.0 mi SSE 5.8 mph - N/A   Overcast
9:35 AM 66.2 °F 62.6 °F 88% 29.88 in 10.0 mi South 6.9 mph - N/A   Overcast
9:55 AM 68.0 °F 64.4 °F 88% 29.88 in 10.0 mi South 9.2 mph - N/A   Overcast
10:15 AM 69.8 °F 62.6 °F 78% 29.88 in 10.0 mi South 10.4 mph - N/A   Overcast
10:35 AM 68.0 °F 62.6 °F 83% 29.88 in 10.0 mi South 11.5 mph - N/A   Overcast
10:55 AM 69.8 °F 62.6 °F 78% 29.87 in 10.0 mi SSE 9.2 mph - N/A   Overcast
11:15 AM 69.8 °F 62.6 °F 78% 29.86 in 10.0 mi South 9.2 mph - N/A   Overcast
11:35 AM 71.6 °F 62.6 °F 73% 29.85 in 10.0 mi South 9.2 mph - N/A   Overcast
11:55 AM 69.8 °F 62.6 °F 78% 29.84 in 10.0 mi South 10.4 mph - N/A   Overcast
12:00 PM 71.6 °F 62.6 °F 73% 29.84 in 10.0 mi South 10.4 mph - N/A   Overcast
12:15 PM 71.6 °F 62.6 °F 73% 29.83 in 10.0 mi South 9.2 mph - N/A   Overcast
12:35 PM 71.6 °F 62.6 °F 73% 29.83 in 10.0 mi South 6.9 mph - N/A   Overcast
12:55 PM 71.6 °F 62.6 °F 73% 29.82 in 10.0 mi South 9.2 mph - N/A   Overcast
1:15 PM 71.6 °F 62.6 °F 73% 29.81 in 10.0 mi South 6.9 mph - N/A   Overcast
1:35 PM 71.6 °F 62.6 °F 73% 29.79 in 10.0 mi South 5.8 mph - N/A   Overcast
1:55 PM 73.4 °F 62.6 °F 69% 29.78 in 10.0 mi SSW 6.9 mph - N/A   Overcast
2:15 PM 73.4 °F 62.6 °F 69% 29.78 in 10.0 mi South 8.1 mph - N/A   Overcast
2:35 PM 71.6 °F 62.6 °F 73% 29.77 in 10.0 mi SSW 6.9 mph - N/A   Overcast
2:55 PM 71.6 °F 62.6 °F 73% 29.76 in 10.0 mi South 9.2 mph - N/A   Overcast
3:15 PM 71.6 °F 64.4 °F 78% 29.76 in 8.0 mi South 10.4 mph 16.1 mph N/A   Overcast
3:35 PM 69.8 °F 66.2 °F 88% 29.75 in 9.0 mi SSW 4.6 mph - N/A   Overcast
3:50 PM 68.0 °F 66.2 °F 94% 29.75 in 6.0 mi South 5.8 mph - N/A Rain Light Rain
6:15 PM 68.0 °F 68.0 °F 100% 29.71 in 4.0 mi South 5.8 mph - N/A   Overcast
6:50 PM 68.0 °F 68.0 °F 100% 29.71 in 4.0 mi SSE 4.6 mph - N/A   Overcast
7:45 PM 68.0 °F 68.0 °F 100% 29.70 in 3.0 mi Calm Calm - N/A Rain Rain
8:45 PM 64.4 °F 64.4 °F 100% 29.72 in 3.0 mi North 13.8 mph - N/A Rain Rain
10:35 PM 62.6 °F 62.6 °F 100% 29.75 in 10.0 mi Calm Calm - N/A   Overcast
10:55 PM 62.6 °F 62.6 °F 100% 29.76 in 10.0 mi West 3.5 mph - N/A   Overcast
11:15 PM 62.6 °F 62.6 °F 100% 29.76 in 10.0 mi WNW 3.5 mph - N/A   Overcast
11:35 PM 62.6 °F 62.6 °F 100% 29.76 in 10.0 mi NW 3.5 mph - N/A   Overcast
11:55 PM 62.6 °F 60.8 °F 94% 29.75 in 10.0 mi Calm Calm - N/A   Overcast