Weather History for Manassas, VA

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Thursday, September 6, 2012

  Actual Average Record
Temperature  
Mean Temperature 76 °F -  
Max Temperature 84 °F 79 °F 96 °F (1998)
Min Temperature 69 °F 58 °F 46 °F (1997)
Cooling Degree Days 12    
Growing Degree Days 26 (Base 50)    
Moisture  
Dew Point 71 °F    
Average Humidity 93    
Maximum Humidity 100    
Minimum Humidity 62    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.89 in    
Wind  
Wind Speed 1 mph (SW)    
Max Wind Speed 8 mph    
Max Gust Speed -    
Visibility 9 miles    
Events Rain    
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

Sep. 06, 2012 Rise Set
Actual Time 6:44 AM EDT 7:31 PM EDT
Civil Twilight 6:17 AM EDT 7:58 PM EDT
Nautical Twilight 5:45 AM EDT 8:30 PM EDT
Astronomical Twilight 5:12 AM EDT 9:03 PM EDT
Moon 10:45 PM EDT (9/6) 12:37 PM EDT (9/6)
Length of Visible Light 13h 41m
Length of Day
12h 47m
Waning Gibbous, 67% of the Moon is Illuminated
Sep 6
Waning Gibbous
Sep 8
Last Quarter
Sep 15
New
Sep 22
First Quarter
Sep 29
Full

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 71.6 °F - 71.6 °F 100% 29.84 in 10.0 mi Calm Calm - N/A   Clear
12:35 AM 71.6 °F - 69.8 °F 94% 29.85 in 10.0 mi Calm Calm - N/A   Clear
12:55 AM 73.4 °F - 71.6 °F 94% 29.85 in 10.0 mi Calm Calm - N/A   Clear
1:15 AM 73.4 °F - 71.6 °F 94% 29.85 in 10.0 mi Calm Calm - N/A   Clear
1:35 AM 73.4 °F - 71.6 °F 94% 29.85 in 10.0 mi Calm Calm - N/A   Clear
1:55 AM 73.4 °F - 71.6 °F 94% 29.85 in 10.0 mi Calm Calm - N/A   Clear
2:15 AM 73.4 °F - 71.6 °F 94% 29.84 in 10.0 mi Calm Calm - N/A   Clear
2:35 AM 73.4 °F - 71.6 °F 94% 29.84 in 10.0 mi Calm Calm - N/A   Clear
2:55 AM 73.4 °F - 71.6 °F 94% 29.85 in 10.0 mi WNW 3.5 mph - N/A   Clear
3:15 AM 73.4 °F - 71.6 °F 94% 29.85 in 10.0 mi Calm Calm - N/A   Clear
3:35 AM 73.4 °F - 71.6 °F 94% 29.85 in 10.0 mi Calm Calm - N/A   Clear
3:55 AM 73.4 °F - 71.6 °F 94% 29.84 in 10.0 mi Calm Calm - N/A   Clear
4:15 AM 73.4 °F - 71.6 °F 94% 29.84 in 10.0 mi Calm Calm - N/A   Clear
4:35 AM 73.4 °F - 71.6 °F 94% 29.84 in 10.0 mi Calm Calm - N/A   Scattered Clouds
4:55 AM 73.4 °F - 71.6 °F 94% 29.84 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
5:15 AM 73.4 °F - 71.6 °F 94% 29.84 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
5:35 AM 73.4 °F - 71.6 °F 94% 29.84 in 10.0 mi NNW 3.5 mph - N/A   Mostly Cloudy
5:55 AM 73.4 °F - 71.6 °F 94% 29.84 in 10.0 mi NW 4.6 mph - N/A   Mostly Cloudy
6:15 AM 73.4 °F - 73.4 °F 100% 29.85 in 10.0 mi NW 3.5 mph - N/A   Mostly Cloudy
6:50 AM 73.4 °F - 73.4 °F 100% 29.85 in 10.0 mi Calm Calm - N/A   Overcast
8:50 AM 73.4 °F - 71.6 °F 94% 29.89 in 3.0 mi Calm Calm - N/A Rain Rain
9:45 AM 75.2 °F - 73.4 °F 94% 29.91 in 5.0 mi Calm Calm - N/A   Overcast
10:50 AM 75.2 °F - 73.4 °F 94% 29.91 in 5.0 mi Calm Calm - N/A   Overcast
12:15 PM 75.2 °F - 73.4 °F 94% 29.92 in 6.0 mi NNW 5.8 mph - N/A   Overcast
12:45 PM 77.0 °F - 73.4 °F 89% 29.92 in 6.0 mi North 4.6 mph - N/A   Overcast
1:50 PM 80.6 °F 86.2 °F 75.2 °F 84% 29.92 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
2:45 PM 80.6 °F 86.2 °F 75.2 °F 84% 29.91 in 9.0 mi Calm Calm - N/A   Scattered Clouds
4:45 PM 84.2 °F 88.4 °F 69.8 °F 62% 29.90 in 10.0 mi South 8.1 mph - N/A   Clear
5:45 PM 84.2 °F 88.4 °F 69.8 °F 62% 29.89 in 10.0 mi SSW 8.1 mph - N/A   Clear
7:45 PM 73.4 °F - 69.8 °F 88% 29.92 in 10.0 mi SSE 5.8 mph - N/A   Clear
8:45 PM 71.6 °F - 69.8 °F 94% 29.94 in 10.0 mi Calm Calm - N/A   Clear
8:55 PM 71.6 °F - 69.8 °F 94% 29.94 in 10.0 mi SE 3.5 mph - N/A   Clear
9:15 PM 71.6 °F - 69.8 °F 94% 29.94 in 10.0 mi SSE 3.5 mph - N/A   Clear
9:35 PM 71.6 °F - 69.8 °F 94% 29.95 in 10.0 mi Calm Calm - N/A   Clear
9:55 PM 71.6 °F - 69.8 °F 94% 29.95 in 10.0 mi Calm Calm - N/A   Clear
10:15 PM 71.6 °F - 69.8 °F 94% 29.95 in 10.0 mi Calm Calm - N/A   Clear
10:35 PM 69.8 °F - 69.8 °F 100% 29.94 in 10.0 mi SSW 3.5 mph - N/A   Clear
10:55 PM 69.8 °F - 68.0 °F 94% 29.94 in 10.0 mi Calm Calm - N/A   Clear
11:15 PM 69.8 °F - 69.8 °F 100% 29.95 in 10.0 mi Calm Calm - N/A   Clear
11:35 PM 69.8 °F - 68.0 °F 94% 29.95 in 10.0 mi South 3.5 mph - N/A   Clear
11:55 PM 69.8 °F - 69.8 °F 100% 29.95 in 10.0 mi Calm Calm - N/A   Clear