Weather History for Leesburg, VA

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Saturday, May 25, 2013

  Actual Average (KIAD) Record (KIAD)
Temperature  
Mean Temperature 54 °F 66 °F  
Max Temperature 66 °F 77 °F 92 °F (1991)
Min Temperature 42 °F 54 °F 36 °F (1967)
Degree Days  
Heating Degree Days 11 3  
Month to date heating degree days 118  
Since 1 July heating degree days 4690  
Cooling Degree Days 0 3  
Month to date cooling degree days 48  
Year to date cooling degree days 68  
Growing Degree Days 4 (Base 50)    
Moisture  
Dew Point 37 °F    
Average Humidity 54    
Maximum Humidity 76    
Minimum Humidity 35    
Precipitation  
Precipitation 0.00 in 0.16 in 1.76 in (1997)
Month to date precipitation 3.65  
Year to date precipitation 15.92  
Snow  
Snow 0.00 in 0.00 in - ()
Month to date snowfall 0.0  
Since 1 July snowfall 22.0  
Snow Depth -    
Sea Level Pressure  
Sea Level Pressure 30.16 in    
Wind  
Wind Speed 14 mph (NW)    
Max Wind Speed 22 mph    
Max Gust Speed 33 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

May. 25, 2013 Rise Set
Actual Time 5:49 AM EDT 8:25 PM EDT
Civil Twilight 5:18 AM EDT 8:56 PM EDT
Nautical Twilight 4:40 AM EDT 9:34 PM EDT
Astronomical Twilight 3:56 AM EDT 10:18 PM EDT
Moon 9:11 PM EDT (5/25) 6:14 AM EDT (5/25)
Length of Visible Light 15h 37m
Length of Day
14h 35m
Full, 100% of the Moon is Illuminated
May 25
Full
May 31
Last Quarter
Jun 8
New
Jun 16
First Quarter
Jun 23
Full

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 46.4 °F 39.5 °F 33.8 °F 62% 30.19 in 10.0 mi NNW 17.3 mph 25.3 mph N/A   Clear
12:35 AM 46.4 °F 40.4 °F 33.8 °F 62% 30.18 in 10.0 mi NNW 13.8 mph 21.9 mph N/A   Clear
12:55 AM 46.4 °F 40.1 °F 33.8 °F 62% 30.18 in 10.0 mi NW 15.0 mph 21.9 mph N/A   Clear
1:15 AM 46.4 °F 40.4 °F 33.8 °F 62% 30.19 in 10.0 mi NW 13.8 mph - N/A   Clear
1:35 AM 44.6 °F 39.2 °F 33.8 °F 66% 30.18 in 10.0 mi NW 10.4 mph 20.7 mph N/A   Clear
1:55 AM 44.6 °F 40.2 °F 33.8 °F 66% 30.18 in 10.0 mi NW 8.1 mph 16.1 mph N/A   Clear
2:15 AM 44.6 °F 38.4 °F 33.8 °F 66% 30.17 in 10.0 mi NW 12.7 mph 20.7 mph N/A   Clear
2:35 AM 44.6 °F 38.4 °F 33.8 °F 66% 30.16 in 10.0 mi NW 12.7 mph 20.7 mph N/A   Clear
2:55 AM 44.6 °F 38.4 °F 33.8 °F 66% 30.16 in 10.0 mi NW 12.7 mph 19.6 mph N/A   Clear
3:15 AM 44.6 °F 38.1 °F 33.8 °F 66% 30.16 in 10.0 mi WNW 13.8 mph 20.7 mph N/A   Clear
3:35 AM 44.6 °F 38.8 °F 33.8 °F 66% 30.17 in 10.0 mi WNW 11.5 mph 20.7 mph N/A   Clear
3:55 AM 42.8 °F 35.8 °F 33.8 °F 70% 30.18 in 10.0 mi NW 13.8 mph 20.7 mph N/A   Clear
4:15 AM 44.6 °F 37.8 °F 33.8 °F 66% 30.18 in 10.0 mi NW 15.0 mph - N/A   Clear
4:35 AM 42.8 °F 35.8 °F 33.8 °F 70% 30.19 in 10.0 mi NW 13.8 mph - N/A   Clear
4:55 AM 42.8 °F 36.2 °F 33.8 °F 70% 30.19 in 10.0 mi NW 12.7 mph 17.3 mph N/A   Clear
5:15 AM 42.8 °F 36.6 °F 33.8 °F 70% 30.19 in 10.0 mi NW 11.5 mph 17.3 mph N/A   Clear
5:35 AM 42.8 °F 37.0 °F 33.8 °F 70% 30.19 in 10.0 mi NW 10.4 mph - N/A   Clear
5:55 AM 42.8 °F 37.0 °F 35.6 °F 76% 30.20 in 10.0 mi WNW 10.4 mph - N/A   Clear
6:15 AM 42.8 °F 36.2 °F 35.6 °F 76% 30.19 in 10.0 mi NW 12.7 mph 17.3 mph N/A   Clear
6:35 AM 42.8 °F 37.5 °F 35.6 °F 76% 30.20 in 10.0 mi NW 9.2 mph - N/A   Clear
6:55 AM 44.6 °F 38.8 °F 35.6 °F 71% 30.21 in 10.0 mi NW 11.5 mph 16.1 mph N/A   Clear
7:15 AM 44.6 °F 37.4 °F 35.6 °F 71% 30.21 in 10.0 mi NW 16.1 mph 20.7 mph N/A   Clear
7:35 AM 46.4 °F 39.0 °F 35.6 °F 66% 30.21 in 10.0 mi NW 19.6 mph 24.2 mph N/A   Clear
7:55 AM 46.4 °F 39.8 °F 35.6 °F 66% 30.22 in 10.0 mi NW 16.1 mph 26.5 mph N/A   Clear
8:15 AM 48.2 °F - 37.4 °F 66% 30.22 in 10.0 mi NW 16.1 mph 24.2 mph N/A   Clear
8:35 AM 50.0 °F - 37.4 °F 62% 30.21 in 10.0 mi NNW 18.4 mph 23.0 mph N/A   Clear
8:55 AM 50.0 °F - 37.4 °F 62% 30.21 in 10.0 mi NNW 18.4 mph 25.3 mph N/A   Clear
9:15 AM 51.8 °F - 37.4 °F 58% 30.21 in 10.0 mi NW 19.6 mph 24.2 mph N/A   Clear
9:35 AM 51.8 °F - 37.4 °F 58% 30.21 in 10.0 mi NW 19.6 mph 26.5 mph N/A   Clear
9:55 AM 53.6 °F - 39.2 °F 58% 30.20 in 10.0 mi NW 18.4 mph 24.2 mph N/A   Scattered Clouds
10:15 AM 53.6 °F - 39.2 °F 58% 30.19 in 10.0 mi NW 17.3 mph 27.6 mph N/A   Scattered Clouds
10:35 AM 53.6 °F - 39.2 °F 58% 30.19 in 10.0 mi North 19.6 mph 25.3 mph N/A   Clear
10:55 AM 55.4 °F - 39.2 °F 54% 30.19 in 10.0 mi NW 18.4 mph 26.5 mph N/A   Scattered Clouds
11:15 AM 57.2 °F - 41.0 °F 55% 30.19 in 10.0 mi NW 18.4 mph 25.3 mph N/A   Scattered Clouds
11:35 AM 57.2 °F - 39.2 °F 51% 30.19 in 10.0 mi NNW 18.4 mph 26.5 mph N/A   Scattered Clouds
11:55 AM 59.0 °F - 39.2 °F 48% 30.18 in 10.0 mi NNW 19.6 mph 27.6 mph N/A   Scattered Clouds
12:15 PM 59.0 °F - 39.2 °F 48% 30.18 in 10.0 mi NNW 17.3 mph 28.8 mph N/A   Clear
12:35 PM 60.8 °F - 41.0 °F 48% 30.16 in 10.0 mi NW 21.9 mph 31.1 mph N/A   Clear
12:55 PM 60.8 °F - 42.8 °F 52% 30.15 in 10.0 mi WNW 13.8 mph 20.7 mph N/A   Clear
1:15 PM 60.8 °F - 41.0 °F 48% 30.15 in 10.0 mi NW 20.7 mph 27.6 mph N/A   Clear
1:35 PM 62.6 °F - 42.8 °F 48% 30.15 in 10.0 mi WNW 13.8 mph 24.2 mph N/A   Clear
1:55 PM 62.6 °F - 42.8 °F 48% 30.14 in 10.0 mi WNW 16.1 mph 21.9 mph N/A   Clear
2:15 PM 62.6 °F - 37.4 °F 39% 30.14 in 10.0 mi NNW 17.3 mph 31.1 mph N/A   Scattered Clouds
2:35 PM 64.4 °F - 39.2 °F 40% 30.13 in 10.0 mi NNW 17.3 mph 31.1 mph N/A   Scattered Clouds
2:55 PM 64.4 °F - 39.2 °F 40% 30.13 in 10.0 mi NNW 18.4 mph 28.8 mph N/A   Scattered Clouds
3:15 PM 64.4 °F - 37.4 °F 37% 30.13 in 10.0 mi North 16.1 mph 26.5 mph N/A   Scattered Clouds
3:35 PM 64.4 °F - 37.4 °F 37% 30.12 in 10.0 mi NW 17.3 mph 27.6 mph N/A   Clear
3:55 PM 66.2 °F - 37.4 °F 35% 30.12 in 10.0 mi NNW 16.1 mph 27.6 mph N/A   Clear
4:15 PM 64.4 °F - 37.4 °F 37% 30.11 in 10.0 mi NW 15.0 mph 25.3 mph N/A   Scattered Clouds
4:35 PM 64.4 °F - 39.2 °F 40% 30.11 in 10.0 mi NNW 19.6 mph 27.6 mph N/A   Scattered Clouds
4:55 PM 66.2 °F - 39.2 °F 37% 30.11 in 10.0 mi NW 13.8 mph 26.5 mph N/A   Scattered Clouds
5:15 PM 64.4 °F - 37.4 °F 37% 30.11 in 10.0 mi NW 20.7 mph 32.2 mph N/A   Scattered Clouds
5:35 PM 64.4 °F - 37.4 °F 37% 30.11 in 10.0 mi NNW 21.9 mph 33.4 mph N/A   Clear
5:55 PM 66.2 °F - 39.2 °F 37% 30.11 in 10.0 mi NW 18.4 mph 21.9 mph N/A   Scattered Clouds
6:15 PM 64.4 °F - 37.4 °F 37% 30.11 in 10.0 mi NW 16.1 mph 23.0 mph N/A   Scattered Clouds
6:35 PM 64.4 °F - 37.4 °F 37% 30.11 in 10.0 mi NNW 18.4 mph 24.2 mph N/A   Scattered Clouds
6:55 PM 64.4 °F - 37.4 °F 37% 30.12 in 10.0 mi NW 12.7 mph 24.2 mph N/A   Clear
7:15 PM 64.4 °F - 37.4 °F 37% 30.12 in 10.0 mi NW 16.1 mph 23.0 mph N/A   Clear
7:35 PM 62.6 °F - 37.4 °F 39% 30.13 in 10.0 mi NW 6.9 mph - N/A   Clear
7:55 PM 62.6 °F - 37.4 °F 39% 30.13 in 10.0 mi NW 6.9 mph - N/A   Clear
8:15 PM 60.8 °F - 37.4 °F 42% 30.13 in 10.0 mi NW 4.6 mph - N/A   Clear
8:35 PM 59.0 °F - 37.4 °F 45% 30.13 in 10.0 mi WNW 5.8 mph - N/A   Clear
8:55 PM 59.0 °F - 37.4 °F 45% 30.14 in 10.0 mi West 5.8 mph - N/A   Clear
9:15 PM 53.6 °F - 41.0 °F 62% 30.14 in 10.0 mi WNW 6.9 mph - N/A   Clear
9:35 PM 55.4 °F - 39.2 °F 54% 30.14 in 10.0 mi NW 6.9 mph - N/A   Clear
9:55 PM 53.6 °F - 37.4 °F 54% 30.15 in 10.0 mi NW 8.1 mph - N/A   Clear
10:15 PM 53.6 °F - 37.4 °F 54% 30.16 in 10.0 mi NW 4.6 mph - N/A   Clear
10:35 PM 53.6 °F - 37.4 °F 54% 30.17 in 10.0 mi Calm Calm - N/A   Clear
10:55 PM 53.6 °F - 37.4 °F 54% 30.18 in 10.0 mi NW 4.6 mph - N/A   Clear
11:15 PM 51.8 °F - 37.4 °F 58% 30.18 in 10.0 mi NW 6.9 mph - N/A   Clear
11:35 PM 53.6 °F - 35.6 °F 51% 30.18 in 10.0 mi NW 8.1 mph - N/A   Clear
11:55 PM 51.8 °F - 35.6 °F 54% 30.18 in 10.0 mi NW 8.1 mph - N/A   Clear