Manassas, VA

9:56 PM EDT on August 23, 2017 (GMT -0400)
Manassas Regional-Davis

Weather History for KHEF - September, 2013

Change the Weather History Date:

Wednesday, September 4, 2013

  Actual Average Record
Temperature  
Mean Temperature 68 °F -  
Max Temperature 82 °F 79 °F 91 °F (2002)
Min Temperature 55 °F 58 °F 50 °F (1997)
Cooling Degree Days 4    
Growing Degree Days 18 (Base 50)    
Moisture  
Dew Point 57 °F    
Average Humidity 80    
Maximum Humidity 100    
Minimum Humidity 30    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.04 in    
Wind  
Wind Speed 2 mph (WNW)    
Max Wind Speed 10 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

Daily Weather History Graph

Daily Weather History Graph

Search for Another Location

Airport or City:

Trip Planner

Search our weather history database for the weather conditions in past years. The results will help you decide how hot, cold, wet, or windy it might be!

Date:

Astronomy

Sep. 04, 2013 Rise Set
Actual Time 6:42 AM EDT 7:35 PM EDT
Civil Twilight 6:14 AM EDT 8:02 PM EDT
Nautical Twilight 5:42 AM EDT 8:34 PM EDT
Astronomical Twilight 5:09 AM EDT 9:07 PM EDT
Moon 5:52 AM EDT (9/4) 6:54 PM EDT (9/4)
Length of Visible Light 13h 47m
Length of Day
12h 53m
Waning Crescent, 1% of the Moon is Illuminated
Sep 4
Waning Crescent
Sep 5
New
Sep 12
First Quarter
Sep 19
Full
Sep 26
Last Quarter

Hourly Weather History & Observations

Time (EDT) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:15 AM 66.2 °F - 57.2 °F 73% 29.99 in 10.0 mi NW 3.5 mph - N/A   Clear
12:35 AM 64.4 °F - 59.0 °F 83% 29.99 in 9.0 mi Calm Calm - N/A   Clear
12:55 AM 64.4 °F - 57.2 °F 77% 29.99 in 9.0 mi NNW 6.9 mph - N/A   Clear
1:15 AM 64.4 °F - 57.2 °F 77% 30.00 in 10.0 mi Calm Calm - N/A   Clear
1:35 AM 64.4 °F - 59.0 °F 83% 30.00 in 10.0 mi Calm Calm - N/A   Clear
1:55 AM 60.8 °F - 57.2 °F 88% 30.00 in 10.0 mi Calm Calm - N/A   Clear
2:15 AM 59.0 °F - 57.2 °F 94% 30.00 in 10.0 mi Calm Calm - N/A   Clear
2:35 AM 60.8 °F - 59.0 °F 94% 30.01 in 10.0 mi Calm Calm - N/A   Clear
2:55 AM 60.8 °F - 57.2 °F 88% 30.02 in 10.0 mi Calm Calm - N/A   Clear
3:15 AM 60.8 °F - 57.2 °F 88% 30.01 in 10.0 mi Calm Calm - N/A   Clear
3:35 AM 57.2 °F - 57.2 °F 100% 30.02 in 10.0 mi SSE 5.8 mph - N/A   Clear
3:55 AM 57.2 °F - 57.2 °F 100% 30.03 in 10.0 mi Calm Calm - N/A   Clear
4:15 AM 57.2 °F - 57.2 °F 100% 30.03 in 10.0 mi Calm Calm - N/A   Clear
4:35 AM 55.4 °F - 53.6 °F 94% 30.03 in 10.0 mi Calm Calm - N/A   Clear
4:55 AM 59.0 °F - 57.2 °F 94% 30.04 in 10.0 mi Calm Calm - N/A   Clear
5:15 AM 57.2 °F - 55.4 °F 94% 30.04 in 10.0 mi NW 4.6 mph - N/A   Clear
5:35 AM 59.0 °F - 57.2 °F 94% 30.05 in 10.0 mi NW 3.5 mph - N/A   Clear
5:55 AM 57.2 °F - 55.4 °F 94% 30.06 in 10.0 mi Calm Calm - N/A   Clear
6:15 AM 55.4 °F - 55.4 °F 100% 30.06 in 10.0 mi Calm Calm - N/A   Clear
6:35 AM 55.4 °F - 55.4 °F 100% 30.06 in 10.0 mi Calm Calm - N/A   Clear
6:45 AM 55.4 °F - 55.4 °F 100% 30.07 in 10.0 mi Calm Calm - N/A   Clear
9:55 AM 73.4 °F - 55.4 °F 53% 30.11 in 10.0 mi North 10.4 mph - N/A   Clear
11:55 AM 75.2 °F - 55.4 °F 50% 30.09 in 10.0 mi WNW 5.8 mph - N/A   Clear
12:50 PM 78.8 °F - 51.8 °F 39% 30.09 in 10.0 mi WNW 6.9 mph - N/A   Clear
1:45 PM 80.6 °F - 50.0 °F 34% 30.07 in 10.0 mi North 4.6 mph - N/A   Clear
2:45 PM 82.4 °F - 48.2 °F 30% 30.06 in 10.0 mi Calm Calm - N/A   Clear
3:45 PM 80.6 °F - 50.0 °F 34% 30.04 in 10.0 mi West 3.5 mph - N/A   Clear
4:50 PM 82.4 °F - 51.8 °F 35% 30.04 in 10.0 mi West 3.5 mph - N/A   Clear
5:45 PM 80.6 °F 80.5 °F 55.4 °F 42% 30.04 in 10.0 mi West 4.6 mph - N/A   Clear
6:45 PM 78.8 °F - 57.2 °F 47% 30.04 in 10.0 mi WSW 4.6 mph - N/A   Clear
7:50 PM 75.2 °F - 62.6 °F 65% 30.04 in 10.0 mi Calm Calm - N/A   Clear
8:55 PM 64.4 °F - 62.6 °F 94% 30.04 in 10.0 mi Calm Calm - N/A   Clear
9:55 PM 64.4 °F - 64.4 °F 100% 30.06 in 10.0 mi Calm Calm - N/A   Clear
10:15 PM 64.4 °F - 62.6 °F 94% 30.06 in 10.0 mi Calm Calm - N/A   Clear
10:35 PM 64.4 °F - 62.6 °F 94% 30.06 in 10.0 mi Calm Calm - N/A   Clear
10:55 PM 64.4 °F - 62.6 °F 94% 30.06 in 10.0 mi Calm Calm - N/A   Clear
11:15 PM 62.6 °F - 60.8 °F 94% 30.06 in 10.0 mi Calm Calm - N/A   Clear
11:35 PM 62.6 °F - 62.6 °F 100% 30.07 in 10.0 mi Calm Calm - N/A   Clear
11:55 PM 62.6 °F - 60.8 °F 94% 30.07 in 10.0 mi Calm Calm - N/A   Clear