Weather History for Manassas, VA

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Tuesday, December 11, 2012

  Actual Average Record
Temperature  
Mean Temperature 44 °F -  
Max Temperature 55 °F 45 °F 62 °F (2006)
Min Temperature 33 °F 27 °F 15 °F (2013)
Degree Days  
Heating Degree Days 21    
Moisture  
Dew Point 37 °F    
Average Humidity 76    
Maximum Humidity 100    
Minimum Humidity 50    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.97 in    
Wind  
Wind Speed 11 mph (NNW)    
Max Wind Speed 18 mph    
Max Gust Speed 28 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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Date:

Astronomy

Dec. 11, 2012 Rise Set
Actual Time 7:18 AM EST 4:48 PM EST
Civil Twilight 6:48 AM EST 5:18 PM EST
Nautical Twilight 6:15 AM EST 5:51 PM EST
Astronomical Twilight 5:42 AM EST 6:24 PM EST
Moon 5:11 AM EST (12/11) 3:25 PM EST (12/11)
Length of Visible Light 10h 29m
Length of Day
9h 30m
Waning Crescent, 4% of the Moon is Illuminated
Dec 11
Waning Crescent
Dec 13
New
Dec 20
First Quarter
Dec 28
Full
Jan 4
Last 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 55.4 °F - 50.0 °F 82% 29.68 in 10.0 mi NW 18.4 mph 27.6 mph N/A   Overcast
12:35 AM 53.6 °F - 46.4 °F 77% 29.70 in 10.0 mi NNW 15.0 mph 25.3 mph N/A   Overcast
12:55 AM 51.8 °F - 46.4 °F 82% 29.70 in 10.0 mi North 13.8 mph 19.6 mph N/A   Overcast
1:15 AM 51.8 °F - 42.8 °F 71% 29.71 in 10.0 mi North 13.8 mph 19.6 mph N/A   Overcast
1:35 AM 51.8 °F - 42.8 °F 71% 29.72 in 10.0 mi North 15.0 mph 23.0 mph N/A   Overcast
1:55 AM 48.2 °F - 42.8 °F 82% 29.74 in 10.0 mi NNW 13.8 mph 24.2 mph N/A   Overcast
2:15 AM 46.4 °F 41.5 °F 42.8 °F 87% 29.76 in 10.0 mi NNW 10.4 mph 17.3 mph N/A   Overcast
2:35 AM 46.4 °F 43.5 °F 44.6 °F 93% 29.78 in 10.0 mi NNW 5.8 mph - N/A   Overcast
2:55 AM 46.4 °F 42.9 °F 42.8 °F 87% 29.77 in 10.0 mi North 6.9 mph - N/A   Overcast
3:15 AM 46.4 °F 41.9 °F 42.8 °F 87% 29.80 in 10.0 mi North 9.2 mph - N/A   Overcast
3:35 AM 46.4 °F 41.5 °F 41.0 °F 81% 29.81 in 10.0 mi North 10.4 mph - N/A   Overcast
3:55 AM 46.4 °F 41.5 °F 41.0 °F 81% 29.82 in 10.0 mi North 10.4 mph - N/A   Overcast
4:15 AM 46.4 °F 40.7 °F 39.2 °F 76% 29.82 in 10.0 mi North 12.7 mph 23.0 mph N/A   Overcast
4:35 AM 46.4 °F 40.7 °F 39.2 °F 76% 29.83 in 10.0 mi North 12.7 mph - N/A   Overcast
4:55 AM 46.4 °F 39.5 °F 39.2 °F 76% 29.84 in 10.0 mi North 17.3 mph - N/A   Overcast
5:15 AM 44.6 °F 38.1 °F 39.2 °F 81% 29.85 in 10.0 mi North 13.8 mph 19.6 mph N/A   Overcast
5:35 AM 44.6 °F 38.1 °F 37.4 °F 76% 29.86 in 10.0 mi North 13.8 mph 18.4 mph N/A   Overcast
5:55 AM 44.6 °F 37.8 °F 37.4 °F 76% 29.87 in 10.0 mi North 15.0 mph 18.4 mph N/A   Overcast
6:15 AM 44.6 °F 38.8 °F 37.4 °F 76% 29.88 in 10.0 mi North 11.5 mph 23.0 mph N/A   Overcast
6:35 AM 44.6 °F 38.8 °F 37.4 °F 76% 29.89 in 10.0 mi North 11.5 mph 19.6 mph N/A   Overcast
6:50 AM 44.6 °F 39.2 °F 37.4 °F 76% 29.90 in 10.0 mi North 10.4 mph 19.6 mph N/A   Overcast
6:55 AM 44.6 °F 38.8 °F 37.4 °F 76% 29.91 in 10.0 mi North 11.5 mph - N/A   Overcast
7:50 AM 44.6 °F 39.7 °F 37.4 °F 76% 29.92 in 10.0 mi North 9.2 mph - N/A   Mostly Cloudy
8:45 AM 44.6 °F 40.2 °F 37.4 °F 76% 29.96 in 10.0 mi North 8.1 mph - N/A   Mostly Cloudy
9:45 AM 46.4 °F 40.4 °F - N/A% 29.98 in 10.0 mi NNW 13.8 mph 19.6 mph N/A   Partly Cloudy
10:45 AM 46.4 °F 40.7 °F 35.6 °F 66% 30.01 in 10.0 mi NNW 12.7 mph 17.3 mph N/A   Mostly Cloudy
12:50 PM 48.2 °F - 32.0 °F 54% 30.02 in 10.0 mi North 12.7 mph 18.4 mph N/A   Overcast
2:45 PM 48.2 °F - 30.2 °F 50% 30.04 in 10.0 mi NNW 15.0 mph - N/A   Scattered Clouds
4:15 PM 46.4 °F 41.9 °F 28.4 °F 50% 30.08 in 10.0 mi NNW 9.2 mph - N/A   Partly Cloudy
4:45 PM 44.6 °F 40.7 °F 30.2 °F 57% 30.10 in 10.0 mi NNW 6.9 mph - N/A   Mostly Cloudy
5:45 PM 42.8 °F 39.3 °F 30.2 °F 61% 30.13 in 10.0 mi NNW 5.8 mph - N/A   Mostly Cloudy
7:55 PM 37.4 °F 33.8 °F 30.2 °F 75% 30.18 in 10.0 mi NNW 4.6 mph - N/A   Clear
8:15 PM 39.2 °F 35.9 °F 30.2 °F 70% 30.19 in 10.0 mi NNW 4.6 mph - N/A   Clear
8:35 PM 39.2 °F - 30.2 °F 70% 30.20 in 10.0 mi Calm Calm - N/A   Clear
8:55 PM 39.2 °F - 30.2 °F 70% 30.20 in 10.0 mi Calm Calm - N/A   Clear
9:15 PM 37.4 °F - 30.2 °F 75% 30.21 in 10.0 mi Calm Calm - N/A   Clear
9:35 PM 37.4 °F - 30.2 °F 75% 30.21 in 10.0 mi Calm Calm - N/A   Partly Cloudy
9:55 PM 37.4 °F - 30.2 °F 75% 30.22 in 10.0 mi Calm Calm - N/A   Clear
10:15 PM 37.4 °F - 30.2 °F 75% 30.22 in 10.0 mi Calm Calm - N/A   Clear
10:35 PM 33.8 °F - 33.8 °F 100% 30.23 in 10.0 mi Calm Calm - N/A   Scattered Clouds
10:55 PM 35.6 °F - 33.8 °F 93% 30.23 in 10.0 mi Calm Calm - N/A   Overcast
11:15 PM 37.4 °F 33.8 °F 33.8 °F 87% 30.23 in 10.0 mi NNW 4.6 mph - N/A   Overcast
11:35 PM 37.4 °F 33.8 °F 32.0 °F 81% 30.23 in 10.0 mi North 4.6 mph - N/A   Mostly Cloudy
11:55 PM 37.4 °F 32.8 °F 30.2 °F 75% 30.24 in 10.0 mi NNW 5.8 mph - N/A   Scattered Clouds