Manassas, VA

1:02 PM EDT on June 29, 2017 (GMT -0400)
Manassas Regional-Davis

Weather History for KHEF - May, 2012

Change the Weather History Date:

Thursday, May 17, 2012

  Actual Average Record
Temperature  
Mean Temperature 63 °F -  
Max Temperature 73 °F 71 °F 93 °F (2017)
Min Temperature 51 °F 50 °F 39 °F (1997)
Degree Days  
Heating Degree Days 2    
Growing Degree Days 13 (Base 50)    
Moisture  
Dew Point 53 °F    
Average Humidity 75    
Maximum Humidity 100    
Minimum Humidity 29    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.04 in    
Wind  
Wind Speed 4 mph (North)    
Max Wind Speed 15 mph    
Max Gust Speed 21 mph    
Visibility 9 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

May. 17, 2012 Rise Set
Actual Time 5:55 AM EDT 8:17 PM EDT
Civil Twilight 5:25 AM EDT 8:47 PM EDT
Nautical Twilight 4:48 AM EDT 9:25 PM EDT
Astronomical Twilight 4:07 AM EDT 10:06 PM EDT
Moon 3:51 AM EDT (5/17) 5:29 PM EDT (5/17)
Length of Visible Light 15h 22m
Length of Day
14h 21m
Waning Crescent, 10% of the Moon is Illuminated
May 17
Waning Crescent
May 20
New
May 28
First Quarter
Jun 4
Full
Jun 11
Last Quarter

Hourly Weather History & Observations

Time (EDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:15 AM 62.6 °F 62.6 °F 100% 29.94 in 7.0 mi Calm Calm - N/A   Clear
12:35 AM 64.4 °F 62.6 °F 94% 29.94 in 9.0 mi Calm Calm - N/A   Clear
12:55 AM 60.8 °F 60.8 °F 100% 29.94 in 4.0 mi SSE 3.5 mph - N/A   Clear
1:15 AM 60.8 °F 60.8 °F 100% 29.94 in 4.0 mi Calm Calm - N/A   Clear
1:35 AM 62.6 °F 62.6 °F 100% 29.95 in 7.0 mi NNW 4.6 mph - N/A   Clear
1:55 AM 64.4 °F 62.6 °F 94% 29.95 in 10.0 mi Calm Calm - N/A   Partly Cloudy
2:15 AM 64.4 °F 62.6 °F 94% 29.95 in 10.0 mi NNW 5.8 mph - N/A   Clear
2:35 AM 64.4 °F 60.8 °F 88% 29.94 in 10.0 mi NNW 9.2 mph - N/A   Clear
3:15 AM 64.4 °F 59.0 °F 83% 29.95 in 10.0 mi NNW 8.1 mph - N/A   Clear
3:35 AM 64.4 °F 57.2 °F 77% 29.96 in 10.0 mi NNW 6.9 mph - N/A   Clear
3:55 AM 64.4 °F 57.2 °F 77% 29.97 in 10.0 mi NNW 3.5 mph - N/A   Clear
4:15 AM 62.6 °F 57.2 °F 82% 29.99 in 10.0 mi NNW 4.6 mph - N/A   Clear
4:35 AM 62.6 °F 57.2 °F 82% 29.99 in 10.0 mi NNW 4.6 mph - N/A   Clear
4:55 AM 62.6 °F 55.4 °F 77% 30.00 in 10.0 mi NNW 6.9 mph - N/A   Clear
5:15 AM 62.6 °F 55.4 °F 77% 30.00 in 10.0 mi NNW 6.9 mph - N/A   Clear
5:35 AM 60.8 °F 55.4 °F 82% 30.00 in 10.0 mi NNW 9.2 mph - N/A   Clear
5:55 AM 60.8 °F 55.4 °F 82% 30.02 in 10.0 mi NNW 8.1 mph - N/A   Clear
6:15 AM 60.8 °F 55.4 °F 82% 30.02 in 10.0 mi NNW 6.9 mph - N/A   Clear
6:45 AM 60.8 °F 53.6 °F 77% 30.04 in 10.0 mi North 12.7 mph 17.3 mph N/A   Clear
7:50 AM 60.8 °F 51.8 °F 72% 30.08 in 10.0 mi North 10.4 mph 17.3 mph N/A   Clear
9:45 AM 64.4 °F 42.8 °F 45% 30.12 in 10.0 mi NNE 13.8 mph 20.7 mph N/A   Clear
10:45 AM 66.2 °F 44.6 °F 46% 30.12 in 9.0 mi North 15.0 mph - N/A   Clear
11:50 AM 68.0 °F 42.8 °F 40% 30.13 in 8.0 mi NNE 9.2 mph - N/A   Clear
12:45 PM 69.8 °F 42.8 °F 38% 30.12 in 10.0 mi North 12.7 mph - N/A   Clear
1:45 PM 71.6 °F 42.8 °F 35% 30.10 in 10.0 mi NE 8.1 mph - N/A   Clear
3:45 PM 73.4 °F 42.8 °F 33% 30.07 in 10.0 mi NE 8.1 mph - N/A   Clear
4:45 PM 73.4 °F 39.2 °F 29% 30.07 in 10.0 mi North 9.2 mph - N/A   Clear
9:55 PM 57.2 °F 48.2 °F 72% 30.13 in 10.0 mi Calm Calm - N/A   Clear
10:15 PM 60.8 °F 46.4 °F 59% 30.13 in 10.0 mi Calm Calm - N/A   Clear
10:35 PM 55.4 °F 48.2 °F 77% 30.13 in 10.0 mi Calm Calm - N/A   Clear
10:55 PM 53.6 °F 50.0 °F 88% 30.14 in 10.0 mi Calm Calm - N/A   Clear
11:15 PM 53.6 °F 50.0 °F 88% 30.13 in 10.0 mi Calm Calm - N/A   Clear
11:35 PM 53.6 °F 50.0 °F 88% 30.14 in 10.0 mi Calm Calm - N/A   Clear
11:55 PM 51.8 °F 50.0 °F 94% 30.13 in 10.0 mi Calm Calm - N/A   Clear