Weather History for Leesburg, VA

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Saturday, October 13, 2012

  Actual Average (KIAD) Record (KIAD)
Temperature  
Mean Temperature 46 °F 57 °F  
Max Temperature 60 °F 69 °F 84 °F (1989)
Min Temperature 33 °F 45 °F 30 °F (1987)
Degree Days  
Heating Degree Days 18 9  
Month to date heating degree days 83  
Since 1 July heating degree days 141  
Cooling Degree Days 0 1  
Month to date cooling degree days 14  
Year to date cooling degree days 1171  
Moisture  
Dew Point 36 °F    
Average Humidity 69    
Maximum Humidity 100    
Minimum Humidity 42    
Precipitation  
Precipitation 0.00 in 0.10 in 1.92 in (2011)
Month to date precipitation 1.27  
Year to date precipitation 33.19  
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 30.43 in    
Wind  
Wind Speed 4 mph (South)    
Max Wind Speed 14 mph    
Max Gust Speed 17 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Oct. 13, 2012 Rise Set
Actual Time 7:18 AM EDT 6:33 PM EDT
Civil Twilight 6:51 AM EDT 7:00 PM EDT
Nautical Twilight 6:20 AM EDT 7:31 PM EDT
Astronomical Twilight 5:49 AM EDT 8:02 PM EDT
Moon 5:06 AM EDT (10/13) 5:15 PM EDT (10/13)
Length of Visible Light 12h 09m
Length of Day
11h 15m
Waning Crescent, 5% of the Moon is Illuminated
Oct 13
Waning Crescent
Oct 15
New
Oct 21
First Quarter
Oct 29
Full
Nov 6
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 42.8 °F 40.1 °F 37.4 °F 81% 30.45 in 10.0 mi NNE 4.6 mph - N/A   Clear
12:35 AM 42.8 °F 40.1 °F 35.6 °F 76% 30.46 in 10.0 mi NNE 4.6 mph - N/A   Clear
12:55 AM 42.8 °F 41.1 °F 35.6 °F 76% 30.46 in 10.0 mi NNE 3.5 mph - N/A   Clear
2:35 AM 35.6 °F - 35.6 °F 100% 30.46 in 10.0 mi Calm Calm - N/A   Clear
2:55 AM 35.6 °F 31.7 °F 35.6 °F 100% 30.47 in 10.0 mi North 4.6 mph - N/A   Clear
3:15 AM 37.4 °F - 35.6 °F 93% 30.47 in 10.0 mi Calm Calm - N/A   Clear
3:35 AM 35.6 °F - 33.8 °F 93% 30.47 in 10.0 mi Calm Calm - N/A   Clear
3:55 AM 37.4 °F 34.9 °F 35.6 °F 93% 30.47 in 10.0 mi North 3.5 mph - N/A   Clear
4:15 AM 33.8 °F - 33.8 °F 100% 30.48 in 10.0 mi Calm Calm - N/A   Clear
4:35 AM 33.8 °F 30.8 °F 33.8 °F 100% 30.47 in 10.0 mi North 3.5 mph - N/A   Clear
4:55 AM 33.8 °F 28.6 °F 33.8 °F 100% 30.49 in 10.0 mi North 5.8 mph - N/A   Clear
5:15 AM 37.4 °F 32.8 °F 33.8 °F 87% 30.49 in 10.0 mi NNE 5.8 mph - N/A   Clear
5:35 AM 37.4 °F 32.8 °F 33.8 °F 87% 30.50 in 10.0 mi NNE 5.8 mph - N/A   Clear
6:35 AM 33.8 °F - 32.0 °F 93% 30.51 in 10.0 mi Calm Calm - N/A   Clear
6:55 AM 33.8 °F - 33.8 °F 100% 30.52 in 10.0 mi Calm Calm - N/A   Clear
7:15 AM 33.8 °F - 33.8 °F 100% 30.52 in 10.0 mi Calm Calm - N/A   Clear
7:35 AM 35.6 °F - 32.0 °F 87% 30.52 in 10.0 mi Calm Calm - N/A   Clear
7:55 AM 33.8 °F - 33.8 °F 100% 30.53 in 10.0 mi Calm Calm - N/A   Clear
8:15 AM 35.6 °F - 33.8 °F 93% 30.53 in 10.0 mi Calm Calm - N/A   Clear
8:35 AM 37.4 °F - 35.6 °F 93% 30.54 in 10.0 mi Calm Calm - N/A   Clear
8:55 AM 41.0 °F - 33.8 °F 76% 30.54 in 10.0 mi Calm Calm - N/A   Clear
9:15 AM 42.8 °F - 32.0 °F 66% 30.54 in 10.0 mi Calm Calm - N/A   Clear
9:55 AM 44.6 °F - 33.8 °F 66% 30.53 in 10.0 mi Calm Calm - N/A   Clear
10:55 AM 48.2 °F - 33.8 °F 58% 30.52 in 10.0 mi Calm Calm - N/A   Clear
11:15 AM 50.0 °F - 32.0 °F 50% 30.52 in 10.0 mi SSE 5.8 mph - N/A   Clear
12:15 PM 53.6 °F - 33.8 °F 47% 30.48 in 10.0 mi South 6.9 mph - N/A   Clear
12:35 PM 53.6 °F - 33.8 °F 47% 30.47 in 10.0 mi South 12.7 mph 17.3 mph N/A   Clear
12:55 PM 55.4 °F - 33.8 °F 44% 30.45 in 10.0 mi SSE 5.8 mph 17.3 mph N/A   Clear
1:35 PM 55.4 °F - 33.8 °F 44% 30.43 in 10.0 mi SSE 8.1 mph - N/A   Clear
1:55 PM 55.4 °F - 33.8 °F 44% 30.42 in 10.0 mi SSE 6.9 mph - N/A   Clear
2:15 PM 59.0 °F - 35.6 °F 42% 30.41 in 10.0 mi South 9.2 mph - N/A   Clear
2:35 PM 59.0 °F - 35.6 °F 42% 30.41 in 10.0 mi SSW 3.5 mph 16.1 mph N/A   Clear
2:55 PM 59.0 °F - 37.4 °F 45% 30.39 in 10.0 mi SSW 8.1 mph 16.1 mph N/A   Clear
3:15 PM 59.0 °F - 37.4 °F 45% 30.39 in 10.0 mi SSW 10.4 mph - N/A   Clear
3:35 PM 59.0 °F - 37.4 °F 45% 30.39 in 10.0 mi SSW 13.8 mph 17.3 mph N/A   Clear
3:55 PM 60.8 °F - 37.4 °F 42% 30.38 in 10.0 mi SSW 5.8 mph 17.3 mph N/A   Clear
4:15 PM 59.0 °F - 37.4 °F 45% 30.37 in 10.0 mi SSW 12.7 mph - N/A   Clear
4:35 PM 59.0 °F - 37.4 °F 45% 30.37 in 10.0 mi SW 6.9 mph - N/A   Clear
4:55 PM 59.0 °F - 39.2 °F 48% 30.37 in 10.0 mi South 6.9 mph - N/A   Clear
5:15 PM 59.0 °F - 39.2 °F 48% 30.37 in 10.0 mi SSW 4.6 mph - N/A   Clear
5:55 PM 57.2 °F - 41.0 °F 55% 30.36 in 10.0 mi South 5.8 mph - N/A   Clear
6:15 PM 57.2 °F - 41.0 °F 55% 30.35 in 10.0 mi South 5.8 mph - N/A   Clear
6:35 PM 55.4 °F - 41.0 °F 58% 30.34 in 10.0 mi SSE 4.6 mph - N/A   Clear
6:55 PM 55.4 °F - 41.0 °F 58% 30.34 in 10.0 mi SSE 6.9 mph - N/A   Clear
7:15 PM 55.4 °F - 39.2 °F 54% 30.35 in 10.0 mi SSE 6.9 mph - N/A   Clear
7:35 PM 53.6 °F - 39.2 °F 58% 30.35 in 10.0 mi SSE 6.9 mph - N/A   Clear
7:55 PM 51.8 °F - 39.2 °F 62% 30.34 in 10.0 mi SSE 5.8 mph - N/A   Clear
8:15 PM 51.8 °F - 41.0 °F 67% 30.34 in 10.0 mi South 6.9 mph - N/A   Clear
8:35 PM 51.8 °F - 41.0 °F 67% 30.35 in 10.0 mi South 5.8 mph - N/A   Clear
9:15 PM 50.0 °F - 41.0 °F 71% 30.35 in 10.0 mi South 5.8 mph - N/A   Clear
10:35 PM 50.0 °F - 41.0 °F 71% 30.32 in 10.0 mi SSE 5.8 mph - N/A   Clear
10:55 PM 50.0 °F - 41.0 °F 71% 30.31 in 10.0 mi South 4.6 mph - N/A   Clear
11:15 PM 46.4 °F 44.3 °F 41.0 °F 81% 30.31 in 10.0 mi South 4.6 mph - N/A   Clear
11:35 PM 48.2 °F - 41.0 °F 76% 30.30 in 10.0 mi South 4.6 mph - N/A   Clear
11:55 PM 48.2 °F - 41.0 °F 76% 30.29 in 10.0 mi South 3.5 mph - N/A   Clear