Weather History for Manassas, VA

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Friday, May 11, 2012

  Actual Average Record
Temperature  
Mean Temperature 57 °F -  
Max Temperature 73 °F 71 °F 87 °F (2004)
Min Temperature 41 °F 48 °F 35 °F (1997)
Degree Days  
Heating Degree Days 8    
Growing Degree Days 7 (Base 50)    
Moisture  
Dew Point 41 °F    
Average Humidity 57    
Maximum Humidity 100    
Minimum Humidity 27    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.15 in    
Wind  
Wind Speed 5 mph (NW)    
Max Wind Speed 13 mph    
Max Gust Speed 22 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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Astronomy

May. 11, 2012 Rise Set
Actual Time 6:01 AM EDT 8:12 PM EDT
Civil Twilight 5:31 AM EDT 8:41 PM EDT
Nautical Twilight 4:55 AM EDT 9:18 PM EDT
Astronomical Twilight 4:15 AM EDT 9:57 PM EDT
Moon 12:50 AM EDT (5/11) 11:31 AM EDT (5/11)
Length of Visible Light 15h 10m
Length of Day
14h 10m
Waning Gibbous, 63% of the Moon is Illuminated
May 11
Waning Gibbous
May 12
Last Quarter
May 20
New
May 28
First Quarter
Jun 4
Full

Hourly Weather History & Observations

Time (EDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
6:45 AM 41.0 °F 41.0 °F 100% 30.11 in 10.0 mi Calm Calm - N/A   Clear
8:45 AM 57.2 °F 39.2 °F 51% 30.14 in 10.0 mi WNW 10.4 mph - N/A   Clear
10:45 AM 64.4 °F 35.6 °F 34% 30.16 in 10.0 mi NNW 11.5 mph - N/A   Clear
11:45 AM 66.2 °F 33.8 °F 30% 30.15 in 10.0 mi NNW 4.6 mph 16.1 mph N/A   Clear
2:20 PM 69.8 °F 33.8 °F 27% 30.12 in 10.0 mi NNW 8.1 mph - N/A   Clear
2:50 PM 69.8 °F 35.6 °F 28% 30.12 in 10.0 mi NW 11.5 mph 18.4 mph N/A   Clear
3:50 PM 71.6 °F 35.6 °F 27% 30.12 in 10.0 mi NW 11.5 mph 21.9 mph N/A   Clear
4:45 PM 73.4 °F 37.4 °F 27% 30.10 in 10.0 mi West 12.7 mph - N/A   Clear
6:55 PM 71.6 °F 35.6 °F 27% 30.11 in 10.0 mi West 6.9 mph - N/A   Clear
7:45 PM 68.0 °F 39.2 °F 35% 30.13 in 10.0 mi Variable 4.6 mph - N/A   Clear
8:50 PM 59.0 °F 48.2 °F 67% 30.15 in 10.0 mi Calm Calm - N/A   Clear
9:55 PM 53.6 °F 46.4 °F 77% 30.18 in 10.0 mi Calm Calm - N/A   Clear
10:15 PM 53.6 °F 48.2 °F 82% 30.19 in 10.0 mi SSE 6.9 mph - N/A   Clear
10:35 PM 53.6 °F 46.4 °F 77% 30.19 in 10.0 mi Calm Calm - N/A   Clear
10:55 PM 51.8 °F 46.4 °F 82% 30.20 in 10.0 mi Calm Calm - N/A   Clear
11:15 PM 50.0 °F 46.4 °F 87% 30.20 in 10.0 mi Calm Calm - N/A   Clear
11:35 PM 51.8 °F 48.2 °F 88% 30.20 in 10.0 mi Calm Calm - N/A   Clear
11:55 PM 50.0 °F 46.4 °F 87% 30.20 in 10.0 mi Calm Calm - N/A   Clear