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Leesburg, VA
on Monday, December 1, 2008

Monday
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Daily Summary
 ActualAverage (KIAD)Record (KIAD)
Temperature
Mean Temperature - 40 °F  
Max Temperature 50 °F 51 °F 75 °F (2006)
Min Temperature 39 °F 30 °F 4 °F (1967)
Degree Days
Heating Degree Days 20 24  
Month to date heating degree days 24  
Since 1 July heating degree days 1001  
Cooling Degree Days 0 0  
Month to date cooling degree days 0  
Year to date cooling degree days 1075  
Moisture
Dew Point 40 °F   
Average Humidity 85    
Maximum Humidity 100    
Minimum Humidity 57    
Precipitation
Precipitation 0.08 in 0.10 in 2.02 in (1974)
Month to date precipitation 0.10  
Year to date precipitation 38.83  
Snow
Snow 0.00 in - T in (0.0)
Month to date snowfall T  
Since 1 July snowfall 0.9  
Snow Depth -   
Wind
Wind Speed 3 mph   
Max Wind Speed 17 mph   
Max Gust Speed 25 mph   
Visibility 9 miles   
Events Rain , Thunderstorm   

Key: T is trace of precipitation, MM is missing value
Source: NWS Daily Summary
Time(EST)TemperatureDew PointHumidity Pressure Visibility Wind DirectionWind SpeedGust SpeedPrecipitationEvents Conditions
12:00 AM 41.0 °F 41.0 °F 100% 29.36 in 7.0 miles West 3.5 mph - N/A   Overcast
12:20 AM 41.0 °F 41.0 °F 100% 29.34 in 10.0 miles Calm Calm - N/A   Overcast
12:40 AM 41.0 °F 39.2 °F 93% 29.35 in 7.0 miles West 4.6 mph - N/A   Overcast
1:00 AM 41.0 °F 39.2 °F 93% 29.37 in 7.0 miles WSW 3.5 mph - N/A   Overcast
1:40 AM 39.2 °F 39.2 °F 100% 29.39 in 10.0 miles Calm Calm - N/A   Overcast
2:00 AM 41.0 °F 39.2 °F 93% 29.40 in 7.0 miles Calm Calm - N/A   Overcast
2:20 AM 39.2 °F 39.2 °F 100% 29.42 in 2.5 miles Calm Calm - N/A   Mostly Cloudy
2:40 AM 39.2 °F 39.2 °F 100% 29.42 in 3.0 miles Calm Calm - N/A   Mostly Cloudy
3:00 AM 41.0 °F 39.2 °F 93% 29.42 in 7.0 miles South 3.5 mph - N/A   Overcast
3:20 AM 41.0 °F 41.0 °F 100% 29.44 in 7.0 miles Calm Calm - N/A   Overcast
3:40 AM 41.0 °F 41.0 °F 100% 29.43 in 7.0 miles SSE 5.8 mph - N/A   Overcast
4:00 AM 42.8 °F 41.0 °F 93% 29.44 in 7.0 miles South 6.9 mph - N/A   Overcast
4:20 AM 42.8 °F 41.0 °F 93% 29.45 in 10.0 miles South 8.1 mph - N/A   Overcast
4:40 AM 42.8 °F 42.8 °F 100% 29.47 in 7.0 miles South 4.6 mph - N/A   Overcast
5:00 AM 42.8 °F 42.8 °F 100% 29.47 in 10.0 miles South 4.6 mph - N/A   Overcast
5:20 AM 42.8 °F 42.8 °F 100% 29.49 in 10.0 miles South 5.8 mph - N/A   Overcast
5:40 AM 42.8 °F 42.8 °F 100% 29.50 in 10.0 miles SSW 8.1 mph - N/A   Overcast
6:00 AM 42.8 °F 41.0 °F 93% 29.50 in 10.0 miles South 6.9 mph - N/A   Overcast
6:20 AM 42.8 °F 41.0 °F 93% 29.50 in 10.0 miles SSW 9.2 mph - N/A   Overcast
6:40 AM 42.8 °F 41.0 °F 93% 29.51 in 10.0 miles South 9.2 mph - N/A   Overcast
7:00 AM 42.8 °F 41.0 °F 93% 29.51 in 10.0 miles South 9.2 mph - N/A   Overcast
7:40 AM 42.8 °F 41.0 °F 93% 29.53 in 10.0 miles South 5.8 mph - N/A   Overcast
8:00 AM 42.8 °F 41.0 °F 93% 29.53 in 10.0 miles South 13.8 mph 17.3 mph N/A   Overcast
8:20 AM 42.8 °F 41.0 °F 93% 29.54 in 10.0 miles South 15.0 mph 20.7 mph N/A   Overcast
8:40 AM 42.8 °F 39.2 °F 87% 29.54 in 10.0 miles South 9.2 mph - N/A   Overcast
9:00 AM 42.8 °F 39.2 °F 87% 29.54 in 10.0 miles South 11.5 mph - N/A   Overcast
9:20 AM 44.6 °F 41.0 °F 87% 29.54 in 10.0 miles South 9.2 mph - N/A   Mostly Cloudy
9:40 AM 44.6 °F 41.0 °F 87% 29.55 in 10.0 miles South 6.9 mph - N/A   Mostly Cloudy
10:00 AM 44.6 °F 41.0 °F 87% 29.54 in 10.0 miles South 8.1 mph - N/A   Overcast
10:20 AM 46.4 °F 41.0 °F 81% 29.55 in 10.0 miles South 10.4 mph 17.3 mph N/A   Overcast
10:40 AM 46.4 °F 42.8 °F 87% 29.54 in 10.0 miles SSW 11.5 mph 16.1 mph N/A   Overcast
11:00 AM 46.4 °F 41.0 °F 81% 29.54 in 10.0 miles South 11.5 mph 18.4 mph N/A   Overcast
11:20 AM 48.2 °F 42.8 °F 82% 29.53 in 10.0 miles South 16.1 mph 19.6 mph N/A   Mostly Cloudy
11:40 AM 48.2 °F 39.2 °F 71% 29.53 in 10.0 miles SSW 13.8 mph 23.0 mph N/A   Overcast
12:20 PM 48.2 °F 39.2 °F 71% 29.54 in 10.0 miles SSW 15.0 mph 23.0 mph N/A   Overcast
1:00 PM 50.0 °F 37.4 °F 62% 29.54 in 10.0 miles SW 13.8 mph 21.9 mph N/A   Mostly Cloudy
1:40 PM 50.0 °F 37.4 °F 62% 29.54 in 10.0 miles South 17.3 mph 24.2 mph N/A   Mostly Cloudy
2:00 PM 50.0 °F 35.6 °F 58% 29.56 in 10.0 miles SSW 15.0 mph 25.3 mph N/A   Scattered Clouds
2:20 PM 41.0 °F 37.4 °F 87% 29.59 in 3.0 miles SW 12.7 mph 25.3 mph 0.06 in Rain , Thunderstorm Thunderstorms and Rain
2:40 PM 44.6 °F 39.2 °F 81% 29.59 in 10.0 miles SSW 6.9 mph - 0.08 in   Overcast
3:00 PM 44.6 °F 39.2 °F 81% 29.59 in 10.0 miles SSW 4.6 mph - N/A   Mostly Cloudy
3:20 PM 46.4 °F 42.8 °F 87% 29.61 in 10.0 miles SW 4.6 mph - N/A   Mostly Cloudy
3:40 PM 46.4 °F 41.0 °F 81% 29.62 in 10.0 miles SSW 5.8 mph - N/A   Scattered Clouds
4:00 PM 46.4 °F 39.2 °F 76% 29.63 in 10.0 miles SW 3.5 mph - N/A   Scattered Clouds
4:20 PM 46.4 °F 39.2 °F 76% 29.64 in 10.0 miles SSW 3.5 mph - N/A   Mostly Cloudy
4:40 PM 46.4 °F 39.2 °F 76% 29.65 in 10.0 miles Calm Calm - N/A   Overcast
5:00 PM 44.6 °F 39.2 °F 81% 29.67 in 10.0 miles Calm Calm - N/A   Scattered Clouds
5:20 PM 42.8 °F 37.4 °F 81% 29.69 in 10.0 miles Calm Calm - N/A   Clear
6:02 PM 42.8 °F 33.8 °F 70% 29.72 in 10.0 miles SSW 4.6 mph - N/A   Clear
6:22 PM 41.0 °F 33.8 °F 76% 29.73 in 10.0 miles SSW 5.8 mph - N/A   Scattered Clouds
6:42 PM 42.8 °F 30.2 °F 61% 29.75 in 10.0 miles SSW 5.8 mph - N/A   Scattered Clouds
7:00 PM 42.8 °F 28.4 °F 57% 29.76 in 10.0 miles SW 5.8 mph - N/A   Clear
7:02 PM 42.8 °F 28.4 °F 57% 29.77 in 10.0 miles SW 6.9 mph - N/A   Clear
7:20 PM 42.8 °F 28.4 °F 57% 29.78 in 10.0 miles SSW 5.8 mph - N/A   Clear
7:40 PM 42.8 °F 28.4 °F 57% 29.78 in 10.0 miles SW 5.8 mph - N/A   Clear
8:00 PM 42.8 °F 30.2 °F 61% 29.79 in 10.0 miles SSW 6.9 mph - N/A   Mostly Cloudy
8:20 PM 42.8 °F 28.4 °F 57% 29.80 in 10.0 miles SW 6.9 mph - N/A   Mostly Cloudy
8:40 PM 41.0 °F 28.4 °F 61% 29.81 in 10.0 miles SW 5.8 mph - N/A   Scattered Clouds
9:00 PM 42.8 °F 28.4 °F 57% 29.82 in 10.0 miles WSW 5.8 mph - N/A   Clear
9:20 PM 41.0 °F 28.4 °F 61% 29.83 in 10.0 miles SW 6.9 mph - N/A   Clear
9:40 PM 41.0 °F 28.4 °F 61% 29.84 in 10.0 miles SW 6.9 mph - N/A   Clear
10:00 PM 39.2 °F 28.4 °F 65% 29.85 in 10.0 miles SSW 3.5 mph - N/A   Clear
10:20 PM 39.2 °F 30.2 °F 70% 29.86 in 10.0 miles SSE 5.8 mph - N/A   Clear
10:40 PM 37.4 °F 30.2 °F 75% 29.86 in 10.0 miles South 3.5 mph - N/A   Clear
11:00 PM 37.4 °F 30.2 °F 75% 29.87 in 10.0 miles South 3.5 mph - N/A   Clear
11:20 PM 35.6 °F 30.2 °F 81% 29.88 in 10.0 miles Calm Calm - N/A   Clear
11:40 PM 37.4 °F 30.2 °F 75% 29.89 in 10.0 miles Calm Calm - N/A   Clear

Astronomy

Sunrise: 07:10 AM (EST) Moon Rise: 10:26 AM (EST) 12 / 1
Sunset: 04:48 PM (EST) Moon Set: 08:06 PM (EST) 12 / 1
Moon Phase
Dec. 01 Dec. 05 Dec. 12 Dec. 19 Dec. 27

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