Weather History for Leesburg, VA

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Monday, May 6, 2013

  Actual Average (KIAD) Record (KIAD)
Temperature  
Mean Temperature 53 °F 60 °F  
Max Temperature 60 °F 73 °F 90 °F (1986)
Min Temperature 46 °F 48 °F 36 °F (1968)
Degree Days  
Heating Degree Days 12 6  
Month to date heating degree days 39  
Since 1 July heating degree days 4611  
Cooling Degree Days 0 1  
Month to date cooling degree days 6  
Year to date cooling degree days 26  
Growing Degree Days 3 (Base 50)    
Moisture  
Dew Point 53 °F    
Average Humidity 92    
Maximum Humidity 100    
Minimum Humidity 82    
Precipitation  
Precipitation 0.00 in 0.13 in 0.80 in (1988)
Month to date precipitation 0.79  
Year to date precipitation 13.06  
Snow  
Snow 0.00 in 0.00 in - ()
Month to date snowfall 0.0  
Since 1 July snowfall 22.0  
Snow Depth -    
Sea Level Pressure  
Sea Level Pressure 30.13 in    
Wind  
Wind Speed 4 mph (ENE)    
Max Wind Speed 12 mph    
Max Gust Speed -    
Visibility 9 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

May. 06, 2013 Rise Set
Actual Time 6:06 AM EDT 8:08 PM EDT
Civil Twilight 5:36 AM EDT 8:37 PM EDT
Nautical Twilight 5:00 AM EDT 9:13 PM EDT
Astronomical Twilight 4:22 AM EDT 9:52 PM EDT
Moon 4:05 AM EDT (5/6) 5:07 PM EDT (5/6)
Length of Visible Light 15h 00m
Length of Day
14h 02m
Waning Crescent, 11% of the Moon is Illuminated
May 6
Waning Crescent
May 9
New
May 18
First Quarter
May 25
Full
May 31
Last Quarter

Hourly Weather History & Observations

Time (EDT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:15 AM 50.0 °F - 46.4 °F 87% 30.19 in 10.0 mi Calm Calm - N/A   Clear
12:35 AM 50.0 °F - 46.4 °F 87% 30.20 in 10.0 mi Calm Calm - N/A   Clear
12:55 AM 46.4 °F - 44.6 °F 93% 30.20 in 10.0 mi Calm Calm - N/A   Clear
1:15 AM 46.4 °F - 44.6 °F 93% 30.20 in 10.0 mi Calm Calm - N/A   Clear
1:35 AM 46.4 °F 44.3 °F 46.4 °F 100% 30.19 in 10.0 mi NE 4.6 mph - N/A   Clear
1:55 AM 48.2 °F - 46.4 °F 93% 30.19 in 10.0 mi NE 3.5 mph - N/A   Mostly Cloudy
2:15 AM 50.0 °F - 46.4 °F 87% 30.18 in 10.0 mi NE 3.5 mph - N/A   Overcast
2:35 AM 50.0 °F - 46.4 °F 87% 30.18 in 10.0 mi NE 4.6 mph - N/A   Overcast
2:55 AM 50.0 °F - 46.4 °F 87% 30.18 in 10.0 mi NE 3.5 mph - N/A   Overcast
3:15 AM 50.0 °F - 46.4 °F 87% 30.18 in 10.0 mi NE 3.5 mph - N/A   Overcast
3:35 AM 50.0 °F - 46.4 °F 87% 30.16 in 10.0 mi NE 3.5 mph - N/A   Overcast
3:55 AM 48.2 °F - 46.4 °F 93% 30.15 in 10.0 mi NNE 3.5 mph - N/A   Mostly Cloudy
4:15 AM 48.2 °F - 46.4 °F 93% 30.16 in 10.0 mi NE 3.5 mph - N/A   Mostly Cloudy
4:35 AM 48.2 °F - 46.4 °F 93% 30.15 in 10.0 mi NNE 3.5 mph - N/A   Overcast
4:55 AM 50.0 °F - 46.4 °F 87% 30.16 in 10.0 mi NE 3.5 mph - N/A   Overcast
5:15 AM 50.0 °F - 46.4 °F 87% 30.16 in 10.0 mi NNE 3.5 mph - N/A   Overcast
5:35 AM 50.0 °F - 46.4 °F 87% 30.16 in 10.0 mi NNE 5.8 mph - N/A   Overcast
5:55 AM 50.0 °F - 46.4 °F 87% 30.16 in 10.0 mi Calm Calm - N/A   Overcast
6:15 AM 50.0 °F - 46.4 °F 87% 30.16 in 10.0 mi NNE 4.6 mph - N/A   Overcast
6:35 AM 50.0 °F - 46.4 °F 87% 30.16 in 10.0 mi NNE 3.5 mph - N/A   Overcast
6:55 AM 50.0 °F - 46.4 °F 87% 30.18 in 10.0 mi NE 4.6 mph - N/A   Overcast
7:15 AM 50.0 °F - 46.4 °F 87% 30.18 in 10.0 mi NE 5.8 mph - N/A   Overcast
7:35 AM 50.0 °F - 46.4 °F 87% 30.18 in 10.0 mi NNE 5.8 mph - N/A   Overcast
7:55 AM 50.0 °F - 46.4 °F 87% 30.18 in 10.0 mi NE 6.9 mph - N/A   Overcast
8:15 AM 50.0 °F - 46.4 °F 87% 30.18 in 10.0 mi NE 4.6 mph - N/A   Overcast
8:35 AM 51.8 °F - 48.2 °F 88% 30.16 in 10.0 mi NE 4.6 mph - N/A   Overcast
8:55 AM 51.8 °F - 48.2 °F 88% 30.17 in 10.0 mi ENE 8.1 mph - N/A   Overcast
9:15 AM 51.8 °F - 50.0 °F 94% 30.18 in 10.0 mi NE 6.9 mph - N/A   Overcast
9:35 AM 53.6 °F - 50.0 °F 88% 30.16 in 7.0 mi NE 8.1 mph - N/A   Overcast
9:55 AM 53.6 °F - 50.0 °F 88% 30.17 in 10.0 mi NE 6.9 mph - N/A   Overcast
10:15 AM 53.6 °F - 51.8 °F 94% 30.18 in 7.0 mi ENE 8.1 mph - N/A   Overcast
10:35 AM 55.4 °F - 51.8 °F 88% 30.18 in 10.0 mi NE 6.9 mph - N/A   Overcast
10:55 AM 55.4 °F - 51.8 °F 88% 30.17 in 10.0 mi ENE 9.2 mph - N/A   Overcast
11:15 AM 55.4 °F - 51.8 °F 88% 30.16 in 10.0 mi NE 8.1 mph - N/A   Overcast
11:35 AM 53.6 °F - 51.8 °F 94% 30.18 in 5.0 mi Calm Calm - N/A   Light Drizzle
11:55 AM 55.4 °F - 53.6 °F 94% 30.16 in 7.0 mi NE 4.6 mph - N/A   Light Drizzle
12:15 PM 55.4 °F - 53.6 °F 94% 30.16 in 10.0 mi ENE 8.1 mph - N/A   Overcast
12:35 PM 55.4 °F - 53.6 °F 94% 30.15 in 10.0 mi NE 9.2 mph - N/A   Overcast
12:55 PM 57.2 °F - 53.6 °F 88% 30.14 in 7.0 mi ENE 6.9 mph - N/A   Overcast
1:15 PM 55.4 °F - 55.4 °F 100% 30.14 in 7.0 mi ENE 6.9 mph - N/A   Overcast
1:35 PM 57.2 °F - 55.4 °F 94% 30.13 in 10.0 mi ENE 5.8 mph - N/A   Overcast
1:55 PM 59.0 °F - 55.4 °F 88% 30.13 in 10.0 mi NE 8.1 mph - N/A   Overcast
2:15 PM 59.0 °F - 55.4 °F 88% 30.12 in 7.0 mi North - - N/A   Overcast
2:35 PM 59.0 °F - 55.4 °F 88% 30.11 in 10.0 mi North - - N/A   Overcast
2:55 PM 60.8 °F - 55.4 °F 82% 30.11 in 10.0 mi ENE 8.1 mph - N/A   Overcast
3:15 PM 60.8 °F - 55.4 °F 82% 30.10 in 10.0 mi NE 4.6 mph - N/A   Overcast
3:35 PM 60.8 °F - 57.2 °F 88% 30.09 in 7.0 mi ENE 6.9 mph - N/A   Overcast
3:55 PM 60.8 °F - 57.2 °F 88% 30.09 in 10.0 mi ENE 9.2 mph - N/A   Overcast
4:15 PM 60.8 °F - 57.2 °F 88% 30.08 in 10.0 mi ENE 9.2 mph - N/A   Overcast
4:35 PM 60.8 °F - 59.0 °F 94% 30.08 in 7.0 mi ENE 6.9 mph - N/A Rain Light Rain
4:55 PM 60.8 °F - 59.0 °F 94% 30.08 in 10.0 mi East 5.8 mph - N/A   Overcast
5:15 PM 60.8 °F - 59.0 °F 94% 30.07 in 10.0 mi East 9.2 mph - N/A   Overcast
5:35 PM 60.8 °F - 59.0 °F 94% 30.08 in 10.0 mi ESE 11.5 mph - N/A   Overcast
5:55 PM 60.8 °F - 59.0 °F 94% 30.07 in 10.0 mi East 8.1 mph - N/A   Overcast
6:15 PM 60.8 °F - 59.0 °F 94% 30.07 in 10.0 mi North - - N/A   Overcast
6:55 PM 60.8 °F - 59.0 °F 94% 30.06 in 5.0 mi East 8.1 mph - N/A Rain Rain
7:15 PM 59.0 °F - 59.0 °F 100% 30.07 in 5.0 mi East 6.9 mph - N/A Rain Rain
7:35 PM 59.0 °F - 59.0 °F 100% 30.07 in 4.0 mi East 4.6 mph - N/A   Overcast
7:55 PM 59.0 °F - 59.0 °F 100% 30.08 in 5.0 mi East 4.6 mph - N/A   Overcast
8:15 PM 60.8 °F - 60.8 °F 100% 30.08 in 10.0 mi East 6.9 mph - N/A   Overcast
8:35 PM 60.8 °F - 60.8 °F 100% 30.08 in 10.0 mi ENE 4.6 mph - N/A   Overcast
8:55 PM 60.8 °F - 60.8 °F 100% 30.08 in 10.0 mi ENE 5.8 mph - N/A   Overcast
9:15 PM 60.8 °F - 59.0 °F 94% 30.09 in 10.0 mi East 6.9 mph - N/A   Overcast
9:35 PM 60.8 °F - 59.0 °F 94% 30.10 in 10.0 mi East 5.8 mph - N/A   Overcast
9:55 PM 59.0 °F - 59.0 °F 100% 30.10 in 10.0 mi East 6.9 mph - N/A   Overcast
10:15 PM 59.0 °F - 59.0 °F 100% 30.10 in 7.0 mi East 5.8 mph - N/A   Overcast
10:35 PM 59.0 °F - 59.0 °F 100% 30.09 in 7.0 mi East 4.6 mph - N/A   Overcast
10:55 PM 59.0 °F - 59.0 °F 100% 30.09 in 7.0 mi East 9.2 mph - N/A   Overcast
11:15 PM 59.0 °F - 59.0 °F 100% 30.08 in 4.0 mi ENE 4.6 mph - N/A   Overcast
11:35 PM 59.0 °F - 59.0 °F 100% 30.08 in 4.0 mi East 9.2 mph - N/A   Overcast
11:55 PM 59.0 °F - 59.0 °F 100% 30.07 in 4.0 mi East 8.1 mph - N/A   Overcast