Weather History for Manassas, VA

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Sunday, January 1, 2012

  Actual Average Record
Temperature  
Mean Temperature 42 °F -  
Max Temperature 59 °F 43 °F 69 °F (2005)
Min Temperature 26 °F 23 °F 10 °F (1999)
Degree Days  
Heating Degree Days 22    
Moisture  
Dew Point 31 °F    
Average Humidity 74    
Maximum Humidity 93    
Minimum Humidity 43    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.01 in    
Wind  
Wind Speed 3 mph (WSW)    
Max Wind Speed 16 mph    
Max Gust Speed 22 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

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Date:

Astronomy

Jan. 01, 2012 Rise Set
Actual Time 7:28 AM EST 4:58 PM EST
Civil Twilight 6:58 AM EST 5:28 PM EST
Nautical Twilight 6:25 AM EST 6:01 PM EST
Astronomical Twilight 5:52 AM EST 6:34 PM EST
Moon 11:44 AM EST (1/1) 12:23 AM EST (1/1)
Length of Visible Light 10h 30m
Length of Day
9h 30m
First Quarter, 54% of the Moon is Illuminated
Jan 1
First Quarter
Jan 9
Full
Jan 16
Last Quarter
Jan 23
New
Jan 30
First 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 33.8 °F - 30.2 °F 87% 30.14 in 10.0 mi Calm Calm - N/A   Clear
12:35 AM 33.8 °F - 28.4 °F 81% 30.13 in 10.0 mi Calm Calm - N/A   Clear
12:55 AM 32.0 °F - 26.6 °F 80% 30.14 in 10.0 mi Calm Calm - N/A   Clear
1:15 AM 30.2 °F - 26.6 °F 86% 30.13 in 10.0 mi Calm Calm - N/A   Clear
2:15 AM 30.2 °F - 26.6 °F 86% 30.12 in 10.0 mi Calm Calm - N/A   Clear
2:35 AM 30.2 °F - 26.6 °F 86% 30.13 in 9.0 mi Calm Calm - N/A   Clear
2:55 AM 30.2 °F 26.7 °F 26.6 °F 86% 30.14 in 10.0 mi South 3.5 mph - N/A   Clear
3:15 AM 30.2 °F - 26.6 °F 86% 30.14 in 10.0 mi Calm Calm - N/A   Clear
3:35 AM 30.2 °F - 26.6 °F 86% 30.13 in 8.0 mi Calm Calm - N/A   Clear
4:15 AM 28.4 °F - 24.8 °F 86% 30.13 in 9.0 mi Calm Calm - N/A   Clear
4:35 AM 28.4 °F - 24.8 °F 86% 30.13 in 5.0 mi Calm Calm - N/A   Clear
4:55 AM 28.4 °F - 26.6 °F 93% 30.14 in 10.0 mi Calm Calm - N/A   Clear
5:15 AM 28.4 °F - 26.6 °F 93% 30.14 in 10.0 mi Calm Calm - N/A   Clear
5:35 AM 26.6 °F - 24.8 °F 93% 30.13 in 5.0 mi Calm Calm - N/A   Clear
5:55 AM 28.4 °F - 24.8 °F 86% 30.14 in 7.0 mi Calm Calm - N/A   Clear
6:30 AM 28.4 °F - 24.8 °F 86% 30.14 in 10.0 mi Calm Calm - N/A   Clear
8:45 AM 32.0 °F - 28.4 °F 87% 30.12 in 10.0 mi Calm Calm - N/A   Clear
9:45 AM 42.8 °F - 35.6 °F 76% 30.08 in 10.0 mi Calm Calm - N/A   Clear
10:55 AM 51.8 °F - 35.6 °F 54% 30.03 in 10.0 mi South 12.7 mph - N/A   Clear
11:45 AM 53.6 °F - 37.4 °F 54% 29.98 in 10.0 mi SSW 9.2 mph - N/A   Clear
1:45 PM 57.2 °F - 35.6 °F 44% 29.87 in 10.0 mi SSW 10.4 mph - N/A   Mostly Cloudy
3:52 PM 59.0 °F - 37.4 °F 45% 29.82 in 10.0 mi WSW 5.8 mph - N/A   Overcast
4:45 PM 53.6 °F - 41.0 °F 62% 29.82 in 9.0 mi South 9.2 mph - N/A   Overcast
5:45 PM 53.6 °F - 42.8 °F 67% 29.79 in 10.0 mi SSW 9.2 mph - N/A   Overcast
6:45 PM 53.6 °F - 44.6 °F 72% 29.79 in 10.0 mi SSW 8.1 mph - N/A   Mostly Cloudy
7:45 PM 53.6 °F - 44.6 °F 72% 29.81 in 10.0 mi North 8.1 mph - N/A   Overcast
8:50 PM 48.2 °F - 39.2 °F 71% 29.82 in 10.0 mi Variable 4.6 mph - N/A   Scattered Clouds
9:30 PM 48.2 °F - 39.2 °F 71% 29.83 in 10.0 mi WNW 15.0 mph 20.7 mph N/A   Partly Cloudy
9:50 PM 50.0 °F - 33.8 °F 54% 29.83 in 10.0 mi NW 16.1 mph 21.9 mph N/A   Partly Cloudy
10:35 PM 48.2 °F - 28.4 °F 46% 29.85 in 10.0 mi West 11.5 mph - N/A   Partly Cloudy
10:55 PM 48.2 °F - 26.6 °F 43% 29.85 in 10.0 mi West 10.4 mph - N/A   Partly Cloudy
11:35 PM 44.6 °F 39.7 °F 26.6 °F 49% 29.87 in 10.0 mi West 9.2 mph - N/A   Partly Cloudy