History for Leesburg, VA

Tuesday, January 29, 2013 — View Current Conditions
Tuesday, January 29, 2013
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Daily Weekly Monthly Custom
  Actual Average (KIAD) Record (KIAD)
Temperature
Mean Temperature 51 °F 34 °F  
Max Temperature 69 °F 43 °F 75 °F (1975)
Min Temperature 33 °F 24 °F -1 °F (1963)
Degree Days
Heating Degree Days 14 31  
Month to date heating degree days 925  
Since 1 July heating degree days 2723  
Cooling Degree Days 0 0  
Month to date cooling degree days 0  
Year to date cooling degree days 0  
Growing Degree Days 1 (Base 50)    
Moisture
Dew Point 47 °F    
Average Humidity 84    
Maximum Humidity 100    
Minimum Humidity 56    
Precipitation
Precipitation 0.00 in 0.09 in 0.95 in (1990)
Month to date precipitation 2.49  
Year to date precipitation 2.49  
Snow
Snow 0.00 in 0.30 in 7.20 in (1966)
Month to date snowfall 6.7  
Since 1 July snowfall 10.7  
Snow Depth -    
Sea Level Pressure
Sea Level Pressure 30.05 in    
Wind
Wind Speed 2 mph (South)    
Max Wind Speed 10 mph    
Max Gust Speed -    
Visibility 7 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary
Daily Graph
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Astronomy
May. 18, 2013 Rise Set
Actual Time 7:19 AM EST 5:28 PM EST
Civil Twilight 6:50 AM EST 5:56 PM EST
Nautical Twilight 6:18 AM EST 6:28 PM EST
Astronomical Twilight 5:47 AM EST 7:00 PM EST
Moon 8:20 PM EST (1/29) 8:16 AM EST (1/29)
Length Of Visible Light 11h 05m
Length of Day
10h 08m
Waning Gibbous, 94% of the Moon is Illuminated
Jan 29
Waning Gibbous
Feb 3
Last Quarter
Feb 10
New
Feb 17
First Quarter
Feb 25
Full
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Hourly Observations
Time (EST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:15 AM 35.6 °F - 35.6 °F 100% 30.07 in 1.5 mi Calm Calm - N/A   Overcast
12:35 AM 37.4 °F - 37.4 °F 100% 30.06 in 2.5 mi Calm Calm - N/A   Mostly Cloudy
12:55 AM 35.6 °F - 35.6 °F 100% 30.06 in 1.8 mi Calm Calm - N/A   Scattered Clouds
1:15 AM 35.6 °F - 35.6 °F 100% 30.05 in 1.8 mi Calm Calm - N/A   Mist
1:35 AM 35.6 °F - 35.6 °F 100% 30.06 in 1.5 mi Calm Calm - N/A   Mostly Cloudy
1:55 AM 33.8 °F - 33.8 °F 100% 30.06 in 1.8 mi North - - N/A   Overcast
2:15 AM 35.6 °F - 35.6 °F 100% 30.06 in 2.0 mi Calm Calm - N/A   Overcast
2:35 AM 33.8 °F - 33.8 °F 100% 30.07 in 1.5 mi Calm Calm - N/A   Overcast
2:55 AM 35.6 °F 32.8 °F 35.6 °F 100% 30.06 in 2.5 mi West 3.5 mph - N/A   Mostly Cloudy
3:15 AM 35.6 °F - 35.6 °F 100% 30.07 in 2.0 mi Calm Calm - N/A   Overcast
3:35 AM 35.6 °F - 35.6 °F 100% 30.06 in 3.0 mi Calm Calm - N/A   Overcast
3:55 AM 35.6 °F - 35.6 °F 100% 30.06 in 2.5 mi Calm Calm - N/A   Overcast
4:15 AM 37.4 °F 34.9 °F 37.4 °F 100% 30.06 in 3.0 mi ESE 3.5 mph - N/A   Overcast
4:35 AM 37.4 °F - 37.4 °F 100% 30.06 in 3.0 mi North - - N/A   Mostly Cloudy
4:55 AM 37.4 °F - 37.4 °F 100% 30.06 in 3.0 mi Calm Calm - N/A   Mostly Cloudy
5:15 AM 37.4 °F - 37.4 °F 100% 30.07 in 3.0 mi Calm Calm - N/A   Overcast
5:35 AM 35.6 °F - 35.6 °F 100% 30.07 in 2.0 mi Calm Calm - N/A   Overcast
5:55 AM 35.6 °F 31.7 °F 35.6 °F 100% 30.08 in 3.0 mi SSW 4.6 mph - N/A   Overcast
6:15 AM 35.6 °F 32.8 °F 35.6 °F 100% 30.08 in 4.0 mi South 3.5 mph - N/A   Mostly Cloudy
6:35 AM 37.4 °F 32.8 °F 37.4 °F 100% 30.08 in 4.0 mi South 5.8 mph - N/A   Overcast
7:15 AM 39.2 °F 35.9 °F 39.2 °F 100% 30.09 in 3.0 mi South 4.6 mph - N/A   Scattered Clouds
7:35 AM 37.4 °F 32.8 °F 37.4 °F 100% 30.10 in 1.5 mi SSW 5.8 mph - N/A   Mist
7:55 AM 39.2 °F 34.2 °F 39.2 °F 100% 30.10 in 2.5 mi SSW 6.9 mph - N/A   Clear
8:15 AM 41.0 °F 37.1 °F 41.0 °F 100% 30.10 in 3.0 mi SW 5.8 mph - N/A   Clear
8:35 AM 42.8 °F - 42.8 °F 100% 30.11 in 5.0 mi Calm Calm - N/A   Clear
8:55 AM 44.6 °F - 44.6 °F 100% 30.11 in 7.0 mi Calm Calm - N/A   Clear
9:15 AM 48.2 °F - 46.4 °F 93% 30.10 in 10.0 mi North - - N/A   Scattered Clouds
9:35 AM 50.0 °F - 46.4 °F 87% 30.11 in 10.0 mi Calm Calm - N/A   Scattered Clouds
10:15 AM 53.6 °F - 50.0 °F 88% 30.12 in 10.0 mi Calm Calm - N/A   Clear
10:35 AM 55.4 °F - 50.0 °F 82% 30.12 in 10.0 mi Calm Calm - N/A   Clear
10:55 AM 57.2 °F - 51.8 °F 82% 30.11 in 10.0 mi Calm Calm - N/A   Clear
11:15 AM 60.8 °F - 51.8 °F 72% 30.11 in 10.0 mi Calm Calm - N/A   Clear
11:35 AM 60.8 °F - 51.8 °F 72% 30.10 in 10.0 mi Calm Calm - N/A   Clear
11:55 AM 62.6 °F - 51.8 °F 68% 30.09 in 10.0 mi Calm Calm - N/A   Clear
12:15 PM 62.6 °F - 53.6 °F 72% 30.07 in 10.0 mi ESE 3.5 mph - N/A   Clear
12:35 PM 64.4 °F - 53.6 °F 68% 30.07 in 10.0 mi East 4.6 mph - N/A   Clear
12:55 PM 64.4 °F - 53.6 °F 68% 30.06 in 10.0 mi SE 5.8 mph - N/A   Clear
1:15 PM 68.0 °F - 53.6 °F 60% 30.05 in 10.0 mi North - - N/A   Clear
1:35 PM 68.0 °F - 53.6 °F 60% 30.04 in 10.0 mi SSE 8.1 mph - N/A   Clear
1:55 PM 69.8 °F - 53.6 °F 56% 30.03 in 10.0 mi North - - N/A   Clear
2:15 PM 69.8 °F - 53.6 °F 56% 30.03 in 10.0 mi North - - N/A   Clear
2:35 PM 69.8 °F - 53.6 °F 56% 30.02 in 10.0 mi SSE 10.4 mph - N/A   Clear
2:55 PM 69.8 °F - 53.6 °F 56% 30.02 in 10.0 mi SSE 9.2 mph - N/A   Clear
3:15 PM 69.8 °F - 53.6 °F 56% 30.03 in 10.0 mi SSE 6.9 mph - N/A   Clear
3:35 PM 69.8 °F - 53.6 °F 56% 30.02 in 10.0 mi North - - N/A   Clear
3:55 PM 69.8 °F - 53.6 °F 56% 30.02 in 10.0 mi North - - N/A   Clear
4:15 PM 69.8 °F - 53.6 °F 56% 30.01 in 10.0 mi North - - N/A   Clear
4:35 PM 68.0 °F - 53.6 °F 60% 30.01 in 10.0 mi SSE 8.1 mph - N/A   Clear
4:55 PM 68.0 °F - 53.6 °F 60% 30.01 in 10.0 mi SSE 9.2 mph - N/A   Clear
5:15 PM 66.2 °F - 53.6 °F 64% 30.01 in 10.0 mi SSE 8.1 mph - N/A   Clear
5:35 PM 64.4 °F - 53.6 °F 68% 30.01 in 10.0 mi SSE 6.9 mph - N/A   Clear
5:55 PM 64.4 °F - 53.6 °F 68% 30.01 in 10.0 mi SSE 8.1 mph - N/A   Clear
6:15 PM 62.6 °F - 53.6 °F 72% 30.01 in 10.0 mi South 8.1 mph - N/A   Clear
6:35 PM 60.8 °F - 53.6 °F 77% 30.01 in 10.0 mi South 5.8 mph - N/A   Clear
6:55 PM 60.8 °F - 53.6 °F 77% 30.01 in 10.0 mi SSW 4.6 mph - N/A   Clear
7:15 PM 60.8 °F - 53.6 °F 77% 30.01 in 10.0 mi North - - N/A   Clear
7:35 PM 59.0 °F - 51.8 °F 77% 30.01 in 10.0 mi North - - N/A   Clear
7:55 PM 59.0 °F - 51.8 °F 77% 30.01 in 10.0 mi North - - N/A   Clear
8:15 PM 59.0 °F - 53.6 °F 82% 30.01 in 10.0 mi North - - N/A   Clear
8:35 PM 57.2 °F - 53.6 °F 88% 30.01 in 10.0 mi North - - N/A   Clear
8:55 PM 57.2 °F - 53.6 °F 88% 30.01 in 10.0 mi North - - N/A   Clear
9:15 PM 57.2 °F - 53.6 °F 88% 30.01 in 10.0 mi North - - N/A   Clear
9:35 PM 55.4 °F - 51.8 °F 88% 30.01 in 10.0 mi South 8.1 mph - N/A   Clear
9:55 PM 55.4 °F - 53.6 °F 94% 30.01 in 10.0 mi South 8.1 mph - N/A   Clear
10:15 PM 55.4 °F - 53.6 °F 94% 30.00 in 10.0 mi South 6.9 mph - N/A   Clear
10:35 PM 55.4 °F - 53.6 °F 94% 30.00 in 10.0 mi South 8.1 mph - N/A   Clear
10:55 PM 55.4 °F - 53.6 °F 94% 29.99 in 10.0 mi South 6.9 mph - N/A   Clear
11:15 PM 55.4 °F - 53.6 °F 94% 29.99 in 10.0 mi South 5.8 mph - N/A   Clear
11:35 PM 55.4 °F - 53.6 °F 94% 29.97 in 10.0 mi North - - N/A   Clear
11:55 PM 53.6 °F - 51.8 °F 94% 29.97 in 10.0 mi SW 3.5 mph - N/A   Clear
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