Weather History for Leesburg, VA

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Tuesday, May 14, 2013

  Actual Average (KIAD) Record (KIAD)
Temperature  
Mean Temperature 48 °F 62 °F  
Max Temperature 62 °F 75 °F 89 °F (2010)
Min Temperature 35 °F 51 °F 32 °F (1996)
Degree Days  
Heating Degree Days 16 4  
Month to date heating degree days 80  
Since 1 July heating degree days 4652  
Cooling Degree Days 0 2  
Month to date cooling degree days 19  
Year to date cooling degree days 39  
Moisture  
Dew Point 36 °F    
Average Humidity 60    
Maximum Humidity 100    
Minimum Humidity 37    
Precipitation  
Precipitation 0.00 in 0.16 in 1.31 in (2005)
Month to date precipitation 1.95  
Year to date precipitation 14.22  
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 30.15 in    
Wind  
Wind Speed 3 mph (NW)    
Max Wind Speed 12 mph    
Max Gust Speed 18 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

May. 14, 2013 Rise Set
Actual Time 5:57 AM EDT 8:15 PM EDT
Civil Twilight 5:27 AM EDT 8:45 PM EDT
Nautical Twilight 4:50 AM EDT 9:22 PM EDT
Astronomical Twilight 4:10 AM EDT 10:03 PM EDT
Moon 9:35 AM EDT (5/14) No Moon Set
Length of Visible Light 15h 17m
Length of Day
14h 17m
Waxing Crescent, 19% of the Moon is Illuminated
May 14
Waxing Crescent
May 18
First Quarter
May 25
Full
May 31
Last Quarter
Jun 8
New

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 42.8 °F 41.1 °F 33.8 °F 70% 30.19 in 10.0 mi NW 3.5 mph - N/A   Clear
12:35 AM 41.0 °F 38.0 °F 33.8 °F 76% 30.19 in 10.0 mi WNW 4.6 mph - N/A   Clear
12:55 AM 41.0 °F 39.0 °F 33.8 °F 76% 30.20 in 10.0 mi NW 3.5 mph - N/A   Clear
1:15 AM 42.8 °F - 33.8 °F 70% 30.20 in 10.0 mi Calm Calm - N/A   Clear
1:35 AM 41.0 °F 39.0 °F 35.6 °F 81% 30.20 in 10.0 mi NW 3.5 mph - N/A   Clear
1:55 AM 41.0 °F 39.0 °F 35.6 °F 81% 30.19 in 10.0 mi NNW 3.5 mph - N/A   Clear
2:15 AM 39.2 °F 37.0 °F 33.8 °F 81% 30.20 in 10.0 mi NNW 3.5 mph - N/A   Clear
2:35 AM 41.0 °F 39.0 °F 35.6 °F 81% 30.19 in 10.0 mi NNW 3.5 mph - N/A   Clear
2:55 AM 37.4 °F - 33.8 °F 87% 30.19 in 10.0 mi Calm Calm - N/A   Clear
3:15 AM 35.6 °F 32.8 °F 35.6 °F 100% 30.19 in 10.0 mi WNW 3.5 mph - N/A   Clear
3:35 AM 35.6 °F 31.7 °F 35.6 °F 100% 30.19 in 10.0 mi WNW 4.6 mph - N/A   Clear
3:55 AM 35.6 °F 32.8 °F 35.6 °F 100% 30.20 in 10.0 mi West 3.5 mph - N/A   Clear
4:15 AM 35.6 °F 32.8 °F 33.8 °F 93% 30.20 in 10.0 mi West 3.5 mph - N/A   Clear
4:35 AM 35.6 °F 31.7 °F 33.8 °F 93% 30.20 in 10.0 mi NW 4.6 mph - N/A   Clear
4:55 AM 35.6 °F - 33.8 °F 93% 30.21 in 10.0 mi Calm Calm - N/A   Clear
5:15 AM 35.6 °F - 33.8 °F 93% 30.20 in 10.0 mi Calm Calm - N/A   Clear
5:35 AM 35.6 °F - 33.8 °F 93% 30.21 in 10.0 mi Calm Calm - N/A   Clear
5:55 AM 35.6 °F - 33.8 °F 93% 30.21 in 10.0 mi Calm Calm - N/A   Clear
6:15 AM 35.6 °F 31.7 °F 33.8 °F 93% 30.22 in 10.0 mi West 4.6 mph - N/A   Clear
6:35 AM 35.6 °F - 33.8 °F 93% 30.23 in 10.0 mi Calm Calm - N/A   Clear
6:55 AM 37.4 °F - 33.8 °F 87% 30.22 in 10.0 mi Calm Calm - N/A   Clear
7:15 AM 37.4 °F - 35.6 °F 93% 30.22 in 10.0 mi Calm Calm - N/A   Clear
7:35 AM 37.4 °F - 35.6 °F 93% 30.23 in 10.0 mi Calm Calm - N/A   Clear
7:55 AM 39.2 °F - 35.6 °F 87% 30.22 in 10.0 mi Calm Calm - N/A   Clear
8:15 AM 44.6 °F 43.1 °F 37.4 °F 76% 30.23 in 10.0 mi NW 3.5 mph - N/A   Clear
8:35 AM 46.4 °F 45.2 °F 39.2 °F 76% 30.23 in 10.0 mi West 3.5 mph - N/A   Clear
8:55 AM 48.2 °F - 35.6 °F 62% 30.23 in 10.0 mi Calm Calm - N/A   Clear
9:15 AM 50.0 °F - 32.0 °F 50% 30.23 in 10.0 mi Calm Calm - N/A   Clear
9:35 AM 50.0 °F - 32.0 °F 50% 30.23 in 10.0 mi West 5.8 mph - N/A   Clear
9:55 AM 51.8 °F - 32.0 °F 47% 30.22 in 10.0 mi Calm Calm - N/A   Clear
10:15 AM 53.6 °F - 32.0 °F 44% 30.22 in 10.0 mi West 5.8 mph - N/A   Clear
10:35 AM 53.6 °F - 33.8 °F 47% 30.21 in 10.0 mi NW 9.2 mph - N/A   Clear
10:55 AM 55.4 °F - 35.6 °F 47% 30.21 in 10.0 mi NW 5.8 mph - N/A   Clear
11:15 AM 55.4 °F - 35.6 °F 47% 30.21 in 10.0 mi WNW 3.5 mph - N/A   Clear
11:35 AM 55.4 °F - 35.6 °F 47% 30.21 in 10.0 mi NNW 4.6 mph - N/A   Clear
11:55 AM 57.2 °F - 37.4 °F 48% 30.19 in 10.0 mi West 6.9 mph - N/A   Clear
12:15 PM 59.0 °F - 35.6 °F 42% 30.18 in 10.0 mi North - - N/A   Clear
12:35 PM 60.8 °F - 37.4 °F 42% 30.17 in 10.0 mi West 3.5 mph - N/A   Clear
12:55 PM 60.8 °F - 35.6 °F 39% 30.16 in 10.0 mi WNW 9.2 mph - N/A   Clear
1:15 PM 60.8 °F - 35.6 °F 39% 30.16 in 10.0 mi NW 9.2 mph - N/A   Clear
1:35 PM 60.8 °F - 35.6 °F 39% 30.15 in 10.0 mi WNW 11.5 mph 18.4 mph N/A   Clear
1:55 PM 60.8 °F - 35.6 °F 39% 30.14 in 10.0 mi NW 6.9 mph - N/A   Mostly Cloudy
2:15 PM 60.8 °F - 35.6 °F 39% 30.14 in 10.0 mi NNW 5.8 mph - N/A   Scattered Clouds
2:35 PM 62.6 °F - 37.4 °F 39% 30.13 in 10.0 mi North - - N/A   Scattered Clouds
2:55 PM 62.6 °F - 37.4 °F 39% 30.12 in 10.0 mi NNW 9.2 mph - N/A   Mostly Cloudy
3:15 PM 62.6 °F - 37.4 °F 39% 30.12 in 10.0 mi WSW 3.5 mph - N/A   Overcast
3:35 PM 62.6 °F - 35.6 °F 37% 30.11 in 10.0 mi North 5.8 mph - N/A   Overcast
3:55 PM 62.6 °F - 35.6 °F 37% 30.10 in 10.0 mi Calm Calm - N/A   Overcast
4:15 PM 62.6 °F - 37.4 °F 39% 30.09 in 10.0 mi WNW 3.5 mph - N/A   Overcast
4:35 PM 62.6 °F - 35.6 °F 37% 30.09 in 10.0 mi NW 5.8 mph - N/A   Overcast
4:55 PM 62.6 °F - 35.6 °F 37% 30.08 in 10.0 mi Calm Calm - N/A   Overcast
5:15 PM 62.6 °F - 37.4 °F 39% 30.08 in 10.0 mi NNW 3.5 mph - N/A   Overcast
5:35 PM 62.6 °F - 35.6 °F 37% 30.08 in 10.0 mi SW 3.5 mph - N/A   Overcast
5:55 PM 62.6 °F - 37.4 °F 39% 30.08 in 10.0 mi Calm Calm - N/A   Overcast
6:15 PM 62.6 °F - 37.4 °F 39% 30.08 in 10.0 mi Calm Calm - N/A   Overcast
6:35 PM 62.6 °F - 37.4 °F 39% 30.07 in 10.0 mi South 4.6 mph - N/A   Overcast
6:55 PM 62.6 °F - 35.6 °F 37% 30.07 in 10.0 mi Calm Calm - N/A   Overcast
7:15 PM 60.8 °F - 39.2 °F 45% 30.06 in 10.0 mi East 4.6 mph - N/A   Overcast
7:35 PM 60.8 °F - 39.2 °F 45% 30.05 in 10.0 mi East 5.8 mph - N/A   Overcast
7:55 PM 60.8 °F - 39.2 °F 45% 30.05 in 10.0 mi ESE 4.6 mph - N/A   Overcast
8:15 PM 59.0 °F - 39.2 °F 48% 30.05 in 10.0 mi East 4.6 mph - N/A   Overcast
8:35 PM 59.0 °F - 39.2 °F 48% 30.05 in 10.0 mi North - - N/A   Overcast
8:55 PM 59.0 °F - 37.4 °F 45% 30.06 in 10.0 mi North - - N/A   Overcast
9:15 PM 59.0 °F - 37.4 °F 45% 30.06 in 10.0 mi North - - N/A   Overcast
9:35 PM 59.0 °F - 39.2 °F 48% 30.07 in 10.0 mi East 5.8 mph - N/A   Overcast
9:55 PM 57.2 °F - 41.0 °F 55% 30.08 in 10.0 mi SE 3.5 mph - N/A   Overcast
10:15 PM 59.0 °F - 41.0 °F 51% 30.07 in 10.0 mi SSE 3.5 mph - N/A   Overcast
10:35 PM 57.2 °F - 42.8 °F 59% 30.07 in 10.0 mi ENE 4.6 mph - N/A   Overcast
10:55 PM 57.2 °F - 42.8 °F 59% 30.07 in 10.0 mi North - - N/A   Overcast
11:15 PM 55.4 °F - 42.8 °F 63% 30.06 in 10.0 mi North - - N/A   Overcast
11:35 PM 55.4 °F - 42.8 °F 63% 30.05 in 10.0 mi North - - N/A   Overcast
11:55 PM 55.4 °F - 42.8 °F 63% 30.05 in 10.0 mi North - - N/A   Overcast