Weather History for Leesburg, VA

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Sunday, March 10, 2013

  Actual Average (KIAD) Record (KIAD)
Temperature  
Mean Temperature 46 °F 42 °F  
Max Temperature 64 °F 53 °F 78 °F (2006)
Min Temperature 28 °F 31 °F 7 °F (1996)
Degree Days  
Heating Degree Days 19 23  
Month to date heating degree days 243  
Since 1 July heating degree days 3833  
Cooling Degree Days 0 0  
Month to date cooling degree days 0  
Year to date cooling degree days 0  
Moisture  
Dew Point 30 °F    
Average Humidity 57    
Maximum Humidity 100    
Minimum Humidity 27    
Precipitation  
Precipitation 0.00 in 0.09 in 1.41 in (2011)
Month to date precipitation 0.95  
Year to date precipitation 6.37  
Snow  
Snow 0.00 in 0.10 in 1.40 in (1993)
Month to date snowfall 1.3  
Since 1 July snowfall 20.2  
Snow Depth -    
Sea Level Pressure  
Sea Level Pressure 30.27 in    
Wind  
Wind Speed 4 mph (SSE)    
Max Wind Speed 14 mph    
Max Gust Speed 20 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Mar. 10, 2013 Rise Set
Actual Time 7:28 AM EDT 7:12 PM EDT
Civil Twilight 7:02 AM EDT 7:39 PM EDT
Nautical Twilight 6:31 AM EDT 8:10 PM EDT
Astronomical Twilight 6:00 AM EDT 8:41 PM EDT
Moon 6:27 AM EDT (3/10) 6:18 PM EDT (3/10)
Length of Visible Light 12h 36m
Length of Day
11h 43m
Waning Crescent, 2% of the Moon is Illuminated
Mar 10
Waning Crescent
Mar 11
New
Mar 19
First Quarter
Mar 27
Full
Apr 3
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 33.8 °F - 30.2 °F 87% 30.30 in 10.0 mi North - - N/A   Clear
12:35 AM 32.0 °F - 30.2 °F 93% 30.30 in 10.0 mi Calm Calm - N/A   Clear
12:55 AM 33.8 °F - 28.4 °F 81% 30.30 in 10.0 mi Calm Calm - N/A   Clear
1:15 AM 33.8 °F - 30.2 °F 87% 30.30 in 10.0 mi Calm Calm - N/A   Clear
1:35 AM 32.0 °F - 30.2 °F 93% 30.30 in 10.0 mi Calm Calm - N/A   Clear
1:55 AM 32.0 °F - 30.2 °F 93% 30.30 in 10.0 mi Calm Calm - N/A   Clear
3:15 AM 32.0 °F - 28.4 °F 87% 30.30 in 10.0 mi Calm Calm - N/A   Clear
3:35 AM 32.0 °F - 28.4 °F 87% 30.29 in 10.0 mi Calm Calm - N/A   Clear
3:55 AM 32.0 °F - 30.2 °F 93% 30.28 in 10.0 mi Calm Calm - N/A   Clear
4:15 AM 30.2 °F - 28.4 °F 93% 30.28 in 10.0 mi Calm Calm - N/A   Clear
4:35 AM 30.2 °F - 28.4 °F 93% 30.28 in 10.0 mi Calm Calm - N/A   Clear
4:55 AM 30.2 °F - 28.4 °F 93% 30.28 in 10.0 mi Calm Calm - N/A   Clear
5:15 AM 32.0 °F - 28.4 °F 87% 30.28 in 10.0 mi Calm Calm - N/A   Clear
5:35 AM 30.2 °F - 28.4 °F 93% 30.29 in 10.0 mi Calm Calm - N/A   Clear
5:55 AM 30.2 °F - 28.4 °F 93% 30.30 in 10.0 mi Calm Calm - N/A   Clear
6:15 AM 30.2 °F - 28.4 °F 93% 30.30 in 10.0 mi Calm Calm - N/A   Clear
6:35 AM 32.0 °F 28.7 °F 30.2 °F 93% 30.30 in 10.0 mi ENE 3.5 mph - N/A   Clear
6:55 AM 30.2 °F - 28.4 °F 93% 30.30 in 10.0 mi Calm Calm - N/A   Clear
7:15 AM 30.2 °F - 28.4 °F 93% 30.30 in 10.0 mi Calm Calm - N/A   Clear
7:35 AM 30.2 °F - 28.4 °F 93% 30.30 in 10.0 mi Calm Calm - N/A   Clear
7:55 AM 28.4 °F - 28.4 °F 100% 30.30 in 10.0 mi Calm Calm - N/A   Clear
8:15 AM 32.0 °F - 30.2 °F 93% 30.31 in 10.0 mi Calm Calm - N/A   Clear
8:35 AM 33.8 °F - 32.0 °F 93% 30.31 in 10.0 mi Calm Calm - N/A   Clear
8:55 AM 35.6 °F - 32.0 °F 87% 30.32 in 10.0 mi Calm Calm - N/A   Clear
9:15 AM 37.4 °F - 32.0 °F 81% 30.33 in 10.0 mi Calm Calm - N/A   Clear
9:35 AM 39.2 °F - 32.0 °F 75% 30.33 in 10.0 mi Calm Calm - N/A   Clear
9:55 AM 42.8 °F - 32.0 °F 66% 30.33 in 10.0 mi Calm Calm - N/A   Clear
10:15 AM 44.6 °F - 32.0 °F 61% 30.33 in 10.0 mi Calm Calm - N/A   Clear
10:35 AM 46.4 °F - 33.8 °F 62% 30.33 in 10.0 mi Calm Calm - N/A   Clear
10:55 AM 50.0 °F - 33.8 °F 54% 30.32 in 10.0 mi Calm Calm - N/A   Clear
11:15 AM 53.6 °F - 32.0 °F 44% 30.32 in 10.0 mi SSE 5.8 mph - N/A   Clear
11:35 AM 55.4 °F - 32.0 °F 41% 30.32 in 10.0 mi South 9.2 mph - N/A   Clear
11:55 AM 55.4 °F - 30.2 °F 38% 30.31 in 10.0 mi SSW 13.8 mph - N/A   Clear
12:15 PM 57.2 °F - 30.2 °F 36% 30.31 in 10.0 mi South 10.4 mph 17.3 mph N/A   Clear
12:35 PM 59.0 °F - 30.2 °F 34% 30.31 in 10.0 mi SSE 11.5 mph 19.6 mph N/A   Clear
12:55 PM 59.0 °F - 30.2 °F 34% 30.30 in 10.0 mi South 12.7 mph 18.4 mph N/A   Clear
1:15 PM 60.8 °F - 30.2 °F 31% 30.29 in 10.0 mi SSE 12.7 mph - N/A   Clear
1:35 PM 60.8 °F - 30.2 °F 31% 30.28 in 10.0 mi South 13.8 mph 19.6 mph N/A   Clear
1:55 PM 60.8 °F - 30.2 °F 31% 30.26 in 10.0 mi SSE 12.7 mph - N/A   Clear
2:15 PM 62.6 °F - 30.2 °F 30% 30.25 in 10.0 mi SSE 12.7 mph 17.3 mph N/A   Clear
2:35 PM 62.6 °F - 30.2 °F 30% 30.25 in 10.0 mi South 12.7 mph 19.6 mph N/A   Clear
2:55 PM 62.6 °F - 28.4 °F 27% 30.24 in 10.0 mi South 10.4 mph 18.4 mph N/A   Clear
3:15 PM 62.6 °F - 28.4 °F 27% 30.24 in 10.0 mi South 9.2 mph 16.1 mph N/A   Clear
3:35 PM 64.4 °F - 30.2 °F 28% 30.23 in 10.0 mi North - - N/A   Clear
3:55 PM 62.6 °F - 30.2 °F 30% 30.23 in 10.0 mi South 9.2 mph 19.6 mph N/A   Scattered Clouds
4:15 PM 62.6 °F - 30.2 °F 30% 30.23 in 10.0 mi SSE 11.5 mph - N/A   Scattered Clouds
4:35 PM 62.6 °F - 30.2 °F 30% 30.22 in 10.0 mi SSE 12.7 mph - N/A   Scattered Clouds
4:55 PM 62.6 °F - 30.2 °F 30% 30.22 in 10.0 mi South 11.5 mph 17.3 mph N/A   Scattered Clouds
5:15 PM 62.6 °F - 30.2 °F 30% 30.21 in 10.0 mi SE 13.8 mph 19.6 mph N/A   Clear
5:35 PM 62.6 °F - 28.4 °F 27% 30.21 in 10.0 mi SSE 12.7 mph - N/A   Clear
5:55 PM 62.6 °F - 28.4 °F 27% 30.21 in 10.0 mi SSE 11.5 mph - N/A   Clear
6:15 PM 60.8 °F - 28.4 °F 29% 30.21 in 10.0 mi SSE 11.5 mph 17.3 mph N/A   Clear
6:35 PM 60.8 °F - 28.4 °F 29% 30.22 in 10.0 mi SSE 10.4 mph - N/A   Clear
6:55 PM 59.0 °F - 28.4 °F 31% 30.21 in 10.0 mi SSE 9.2 mph - N/A   Clear
7:15 PM 59.0 °F - 28.4 °F 31% 30.22 in 10.0 mi SSE 10.4 mph - N/A   Clear
7:35 PM 57.2 °F - 28.4 °F 33% 30.23 in 10.0 mi SSE 8.1 mph - N/A   Clear
7:55 PM 55.4 °F - 28.4 °F 36% 30.24 in 10.0 mi South 9.2 mph - N/A   Clear
8:15 PM 55.4 °F - 26.6 °F 33% 30.24 in 10.0 mi South 9.2 mph - N/A   Clear
8:35 PM 55.4 °F - 26.6 °F 33% 30.23 in 10.0 mi SSE 10.4 mph - N/A   Clear
8:55 PM 53.6 °F - 26.6 °F 35% 30.23 in 10.0 mi SSE 10.4 mph - N/A   Clear
9:15 PM 53.6 °F - 26.6 °F 35% 30.23 in 10.0 mi South 8.1 mph - N/A   Clear
9:35 PM 53.6 °F - 26.6 °F 35% 30.23 in 10.0 mi SSE 11.5 mph - N/A   Clear
9:55 PM 51.8 °F - 26.6 °F 38% 30.23 in 10.0 mi SSE 9.2 mph - N/A   Clear
10:15 PM 51.8 °F - 26.6 °F 38% 30.24 in 10.0 mi North - - N/A   Clear
10:35 PM 51.8 °F - 28.4 °F 41% 30.24 in 10.0 mi North - - N/A   Clear
10:55 PM 51.8 °F - 28.4 °F 41% 30.24 in 10.0 mi SSE 10.4 mph - N/A   Clear
11:15 PM 50.0 °F - 28.4 °F 43% 30.24 in 10.0 mi South 6.9 mph - N/A   Clear
11:35 PM 50.0 °F - 30.2 °F 47% 30.24 in 10.0 mi South 6.9 mph - N/A   Clear
11:55 PM 50.0 °F - 32.0 °F 50% 30.24 in 10.0 mi SSE 8.1 mph - N/A   Clear
12:15 AM 46.4 °F 43.5 °F 32.0 °F 57% 30.24 in 10.0 mi SSW 5.8 mph - N/A   Clear
12:35 AM 46.4 °F 45.2 °F 33.8 °F 62% 30.23 in 10.0 mi South 3.5 mph - N/A   Clear