Weather History for Leesburg, VA

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Saturday, August 24, 2013

  Actual Average (KIAD) Record (KIAD)
Temperature  
Mean Temperature 71 °F 75 °F  
Max Temperature 82 °F 86 °F 97 °F (1998)
Min Temperature 60 °F 63 °F 46 °F (1971)
Degree Days  
Heating Degree Days 0 0  
Month to date heating degree days 0  
Since 1 June heating degree days 15  
Since 1 July heating degree days 0  
Cooling Degree Days 6 10  
Month to date cooling degree days 259  
Year to date cooling degree days 951  
Since 1 June cooling degree days 859  
Growing Degree Days 21 (Base 50)    
Moisture  
Dew Point 61 °F    
Average Humidity 76    
Maximum Humidity 100    
Minimum Humidity 45    
Precipitation  
Precipitation 0.01 in 0.12 in 3.88 in (1967)
Month to date precipitation 2.80  
Year to date precipitation 27.27  
Snow  
Snow 0.00 in 0.00 in - ()
Month to date snowfall 0.0  
Since 1 July snowfall 0.0  
Snow Depth -    
Sea Level Pressure  
Sea Level Pressure 30.27 in    
Wind  
Wind Speed 3 mph (NNE)    
Max Wind Speed 10 mph    
Max Gust Speed 21 mph    
Visibility 9 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Aug. 24, 2013 Rise Set
Actual Time 6:31 AM EDT 7:52 PM EDT
Civil Twilight 6:04 AM EDT 8:20 PM EDT
Nautical Twilight 5:30 AM EDT 8:53 PM EDT
Astronomical Twilight 4:55 AM EDT 9:28 PM EDT
Moon 9:47 PM EDT (8/24) 10:27 AM EDT (8/24)
Length of Visible Light 14h 16m
Length of Day
13h 20m
Waning Gibbous, 84% of the Moon is Illuminated
Aug 24
Waning Gibbous
Aug 28
Last Quarter
Sep 5
New
Sep 12
First Quarter
Sep 19
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 62.6 °F - 62.6 °F 100% 30.14 in 7.0 mi Calm Calm - N/A   Clear
12:35 AM 62.6 °F - 62.6 °F 100% 30.15 in 10.0 mi Calm Calm - N/A   Clear
12:55 AM 60.8 °F - 60.8 °F 100% 30.16 in 7.0 mi Calm Calm - N/A   Clear
1:15 AM 60.8 °F - 60.8 °F 100% 30.16 in 10.0 mi Calm Calm - N/A   Clear
1:35 AM 60.8 °F - 60.8 °F 100% 30.16 in 5.0 mi NW 3.5 mph - N/A   Clear
1:55 AM 60.8 °F - 60.8 °F 100% 30.16 in 7.0 mi NNW 3.5 mph - N/A   Clear
2:15 AM 60.8 °F - 60.8 °F 100% 30.16 in 7.0 mi Calm Calm - N/A   Clear
2:35 AM 60.8 °F - 60.8 °F 100% 30.16 in 7.0 mi North 5.8 mph - N/A   Clear
2:55 AM 60.8 °F - 60.8 °F 100% 30.18 in 7.0 mi North 4.6 mph - N/A   Clear
3:15 AM 60.8 °F - 60.8 °F 100% 30.18 in 10.0 mi North 5.8 mph - N/A   Clear
3:35 AM 62.6 °F - 62.6 °F 100% 30.19 in 10.0 mi North 4.6 mph - N/A   Clear
3:55 AM 60.8 °F - 60.8 °F 100% 30.19 in 7.0 mi North 4.6 mph - N/A   Clear
4:15 AM 60.8 °F - 60.8 °F 100% 30.20 in 7.0 mi Calm Calm - N/A   Clear
4:35 AM 60.8 °F - 60.8 °F 100% 30.20 in 5.0 mi Calm Calm - 0.01 in   Clear
4:55 AM 60.8 °F - 60.8 °F 100% 30.21 in 3.0 mi North 3.5 mph - 0.01 in   Clear
5:15 AM 60.8 °F - 60.8 °F 100% 30.21 in 7.0 mi North 4.6 mph - N/A   Clear
5:35 AM 60.8 °F - 60.8 °F 100% 30.21 in 7.0 mi North 4.6 mph - N/A   Clear
5:55 AM 60.8 °F - 60.8 °F 100% 30.22 in 7.0 mi North 3.5 mph - N/A   Clear
6:15 AM 60.8 °F - 60.8 °F 100% 30.23 in 7.0 mi Calm Calm - N/A   Clear
6:35 AM 60.8 °F - 60.8 °F 100% 30.24 in 7.0 mi NNE 3.5 mph - N/A   Clear
6:55 AM 60.8 °F - 60.8 °F 100% 30.24 in 7.0 mi North 4.6 mph - N/A   Clear
7:15 AM 60.8 °F - 60.8 °F 100% 30.25 in 10.0 mi North 3.5 mph - N/A   Clear
7:35 AM 62.6 °F - 62.6 °F 100% 30.26 in 10.0 mi NNE 4.6 mph - N/A   Clear
7:55 AM 62.6 °F - 62.6 °F 100% 30.26 in 10.0 mi North 5.8 mph - N/A   Clear
8:15 AM 64.4 °F - 60.8 °F 88% 30.27 in 10.0 mi NNE 5.8 mph - N/A   Clear
8:35 AM 68.0 °F - 60.8 °F 78% 30.28 in 10.0 mi NNE 9.2 mph - N/A   Clear
8:55 AM 68.0 °F - 60.8 °F 78% 30.28 in 10.0 mi NNE 8.1 mph - N/A   Clear
9:15 AM 68.0 °F - 60.8 °F 78% 30.29 in 10.0 mi NNE 9.2 mph - N/A   Clear
9:35 AM 69.8 °F - 60.8 °F 73% 30.29 in 10.0 mi NNE 9.2 mph - N/A   Clear
9:55 AM 69.8 °F - 60.8 °F 73% 30.30 in 10.0 mi NNE 9.2 mph - N/A   Clear
10:15 AM 71.6 °F - 60.8 °F 69% 30.31 in 10.0 mi NE 8.1 mph - N/A   Clear
10:35 AM 71.6 °F - 62.6 °F 73% 30.31 in 10.0 mi NNE 5.8 mph - N/A   Clear
10:55 AM 73.4 °F - 62.6 °F 69% 30.31 in 10.0 mi NE 8.1 mph - N/A   Clear
11:15 AM 73.4 °F - 60.8 °F 65% 30.31 in 10.0 mi NNE 6.9 mph - N/A   Clear
11:35 AM 75.2 °F - 62.6 °F 65% 30.31 in 10.0 mi NNW 4.6 mph - N/A   Clear
11:55 AM 77.0 °F - 60.8 °F 57% 30.30 in 10.0 mi NNE 4.6 mph - N/A   Clear
12:15 PM 77.0 °F - 60.8 °F 57% 30.30 in 10.0 mi North 5.8 mph - N/A   Clear
12:35 PM 77.0 °F - 62.6 °F 61% 30.30 in 10.0 mi North 6.9 mph - N/A   Clear
12:55 PM 78.8 °F - 60.8 °F 54% 30.30 in 10.0 mi North 5.8 mph - N/A   Clear
1:15 PM 78.8 °F - 60.8 °F 54% 30.30 in 10.0 mi NE 5.8 mph - N/A   Clear
1:35 PM 78.8 °F - 60.8 °F 54% 30.30 in 10.0 mi NNE 6.9 mph - N/A   Clear
1:55 PM 80.6 °F 81.5 °F 60.8 °F 51% 30.30 in 10.0 mi NNE 4.6 mph - N/A   Clear
2:15 PM 80.6 °F 81.1 °F 59.0 °F 48% 30.30 in 10.0 mi NNE 8.1 mph - N/A   Clear
2:35 PM 82.4 °F 82.5 °F 59.0 °F 45% 30.29 in 10.0 mi NNE 6.9 mph - N/A   Clear
2:55 PM 80.6 °F 81.1 °F 59.0 °F 48% 30.29 in 10.0 mi NNE 6.9 mph - N/A   Clear
3:15 PM 80.6 °F 81.5 °F 60.8 °F 51% 30.29 in 10.0 mi Calm Calm - N/A   Clear
3:35 PM 80.6 °F 81.1 °F 59.0 °F 48% 30.29 in 10.0 mi East 3.5 mph - N/A   Scattered Clouds
3:55 PM 80.6 °F 81.5 °F 60.8 °F 51% 30.29 in 10.0 mi Calm Calm - N/A   Scattered Clouds
4:15 PM 80.6 °F 81.1 °F 59.0 °F 48% 30.29 in 10.0 mi ESE 10.4 mph 20.7 mph N/A   Scattered Clouds
4:35 PM 80.6 °F 81.1 °F 59.0 °F 48% 30.29 in 10.0 mi Calm Calm - N/A   Scattered Clouds
4:55 PM 82.4 °F 82.5 °F 59.0 °F 45% 30.28 in 10.0 mi NE 5.8 mph - N/A   Mostly Cloudy
5:15 PM 80.6 °F 81.5 °F 60.8 °F 51% 30.28 in 10.0 mi East 4.6 mph - N/A   Overcast
5:35 PM 80.6 °F 81.5 °F 60.8 °F 51% 30.29 in 10.0 mi NE 6.9 mph - N/A   Scattered Clouds
5:55 PM 80.6 °F 80.8 °F 57.2 °F 45% 30.29 in 10.0 mi NE 4.6 mph - N/A   Clear
6:15 PM 80.6 °F 80.8 °F 57.2 °F 45% 30.28 in 10.0 mi Calm Calm - N/A   Clear
6:35 PM 80.6 °F 80.8 °F 57.2 °F 45% 30.28 in 10.0 mi NE 3.5 mph - N/A   Clear
6:55 PM 78.8 °F - 59.0 °F 51% 30.28 in 10.0 mi ENE 3.5 mph - N/A   Clear
7:15 PM 78.8 °F - 59.0 °F 51% 30.29 in 10.0 mi NE 5.8 mph - N/A   Clear
7:35 PM 78.8 °F - 59.0 °F 51% 30.29 in 10.0 mi NE 3.5 mph - N/A   Clear
7:55 PM 77.0 °F - 59.0 °F 54% 30.30 in 10.0 mi NE 3.5 mph - N/A   Clear
8:15 PM 75.2 °F - 60.8 °F 61% 30.31 in 10.0 mi NE 3.5 mph - N/A   Clear
8:35 PM 73.4 °F - 60.8 °F 65% 30.31 in 10.0 mi NE 3.5 mph - N/A   Clear
8:55 PM 71.6 °F - 60.8 °F 69% 30.32 in 10.0 mi Calm Calm - N/A   Clear
9:15 PM 68.0 °F - 62.6 °F 83% 30.33 in 10.0 mi Calm Calm - N/A   Clear
9:35 PM 68.0 °F - 62.6 °F 83% 30.34 in 10.0 mi Calm Calm - N/A   Clear
9:55 PM 68.0 °F - 62.6 °F 83% 30.35 in 10.0 mi Calm Calm - N/A   Clear
10:15 PM 66.2 °F - 62.6 °F 88% 30.34 in 10.0 mi Calm Calm - N/A   Clear
10:35 PM 64.4 °F - 62.6 °F 94% 30.34 in 10.0 mi Calm Calm - N/A   Clear
10:55 PM 64.4 °F - 62.6 °F 94% 30.34 in 10.0 mi Calm Calm - N/A   Clear
11:15 PM 62.6 °F - 62.6 °F 100% 30.34 in 10.0 mi Calm Calm - N/A   Clear
11:35 PM 62.6 °F - 62.6 °F 100% 30.36 in 10.0 mi North 3.5 mph - N/A   Clear
11:55 PM 62.6 °F - 62.6 °F 100% 30.36 in 10.0 mi North 3.5 mph - N/A   Clear