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Thursday, May 16, 2013

  Actual Average (KIAD) Record (KIAD)
Temperature  
Mean Temperature 74 °F 63 °F  
Max Temperature 80 °F 75 °F 90 °F (1998)
Min Temperature 68 °F 51 °F 35 °F (2000)
Degree Days  
Heating Degree Days 0 4  
Month to date heating degree days 88  
Since 1 July heating degree days 4660  
Cooling Degree Days 9 2  
Month to date cooling degree days 23  
Year to date cooling degree days 43  
Growing Degree Days 24 (Base 50)    
Moisture  
Dew Point 59 °F    
Average Humidity 56    
Maximum Humidity 69    
Minimum Humidity 39    
Precipitation  
Precipitation 0.00 in 0.15 in 1.97 in (2014)
Month to date precipitation 2.26  
Year to date precipitation 14.53  
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 29.85 in    
Wind  
Wind Speed 7 mph (WNW)    
Max Wind Speed 14 mph    
Max Gust Speed 24 mph    
Visibility 10 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

May. 16, 2013 Rise Set
Actual Time 5:56 AM EDT 8:17 PM EDT
Civil Twilight 5:26 AM EDT 8:47 PM EDT
Nautical Twilight 4:48 AM EDT 9:25 PM EDT
Astronomical Twilight 4:07 AM EDT 10:06 PM EDT
Moon 11:26 AM EDT (5/16) 12:37 AM EDT (5/16)
Length of Visible Light 15h 21m
Length of Day
14h 21m
Waxing Crescent, 35% of the Moon is Illuminated
May 16
Waxing Crescent
May 18
First Quarter
May 25
Full
May 31
Last Quarter
Jun 8
New

Hourly Weather History & Observations

Time (EDT) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:15 AM 80.6 °F 80.5 °F 55.4 °F 42% 29.78 in 10.0 mi North - - N/A   Clear
12:35 AM 80.6 °F 80.5 °F 55.4 °F 42% 29.78 in 10.0 mi West 8.1 mph - N/A   Clear
12:55 AM 80.6 °F 80.3 °F 53.6 °F 39% 29.78 in 10.0 mi West 9.2 mph - N/A   Clear
1:15 AM 80.6 °F 80.3 °F 53.6 °F 39% 29.79 in 10.0 mi WSW 5.8 mph - N/A   Clear
1:35 AM 78.8 °F - 53.6 °F 42% 29.79 in 10.0 mi West 5.8 mph - N/A   Clear
1:55 AM 78.8 °F - 53.6 °F 42% 29.78 in 10.0 mi North - - N/A   Clear
2:15 AM 78.8 °F - 51.8 °F 39% 29.78 in 10.0 mi North - - N/A   Clear
2:35 AM 77.0 °F - 53.6 °F 44% 29.77 in 10.0 mi North - - N/A   Clear
2:55 AM 77.0 °F - 53.6 °F 44% 29.77 in 10.0 mi North - - N/A   Clear
3:15 AM 77.0 °F - 53.6 °F 44% 29.77 in 10.0 mi WNW 6.9 mph - N/A   Clear
3:35 AM 78.8 °F - 53.6 °F 42% 29.77 in 10.0 mi North - - N/A   Clear
3:55 AM 77.0 °F - 53.6 °F 44% 29.77 in 10.0 mi North - - N/A   Clear
4:15 AM 77.0 °F - 53.6 °F 44% 29.78 in 10.0 mi North - - N/A   Clear
4:35 AM 77.0 °F - 53.6 °F 44% 29.77 in 10.0 mi North - - N/A   Clear
4:55 AM 77.0 °F - 53.6 °F 44% 29.79 in 10.0 mi WSW 5.8 mph - N/A   Clear
5:15 AM 73.4 °F - 53.6 °F 50% 29.79 in 10.0 mi North - - N/A   Clear
5:35 AM 73.4 °F - 53.6 °F 50% 29.80 in 10.0 mi North - - N/A   Clear
5:55 AM 71.6 °F - 53.6 °F 53% 29.80 in 10.0 mi West 3.5 mph - N/A   Clear
6:15 AM 71.6 °F - 53.6 °F 53% 29.80 in 10.0 mi Calm Calm - N/A   Clear
6:35 AM 68.0 °F - 55.4 °F 64% 29.82 in 10.0 mi Calm Calm - N/A   Clear
6:55 AM 68.0 °F - 55.4 °F 64% 29.83 in 10.0 mi NNW 3.5 mph - N/A   Clear
7:15 AM 71.6 °F - 57.2 °F 60% 29.84 in 10.0 mi NW 8.1 mph - N/A   Clear
7:35 AM 77.0 °F - 59.0 °F 54% 29.84 in 10.0 mi NNW 13.8 mph 19.6 mph N/A   Clear
7:55 AM 75.2 °F - 59.0 °F 57% 29.85 in 10.0 mi NW 8.1 mph - N/A   Clear
8:15 AM 77.0 °F - 60.8 °F 57% 29.85 in 10.0 mi NW 4.6 mph - N/A   Clear
8:35 AM 77.0 °F - 59.0 °F 54% 29.85 in 10.0 mi NW 8.1 mph - N/A   Clear
8:55 AM 77.0 °F - 59.0 °F 54% 29.86 in 10.0 mi NW 9.2 mph 16.1 mph N/A   Clear
9:15 AM 77.0 °F - 60.8 °F 57% 29.86 in 10.0 mi NW 8.1 mph - N/A   Clear
9:35 AM 78.8 °F - 60.8 °F 54% 29.86 in 10.0 mi WNW 5.8 mph - N/A   Clear
9:55 AM 78.8 °F - 60.8 °F 54% 29.86 in 10.0 mi NW 6.9 mph - N/A   Clear
10:15 AM 78.8 °F - 60.8 °F 54% 29.85 in 10.0 mi West 5.8 mph - N/A   Clear
10:35 AM 78.8 °F - 60.8 °F 54% 29.86 in 10.0 mi North - - N/A   Clear
10:55 AM 78.8 °F - 60.8 °F 54% 29.86 in 10.0 mi North - - N/A   Clear
11:15 AM 80.6 °F 81.5 °F 60.8 °F 51% 29.86 in 10.0 mi North - - N/A   Clear
11:35 AM 78.8 °F - 60.8 °F 54% 29.88 in 10.0 mi North - - N/A   Clear
11:55 AM 78.8 °F - 60.8 °F 54% 29.88 in 10.0 mi North - - N/A   Clear
12:15 PM 77.0 °F - 60.8 °F 57% 29.88 in 10.0 mi North - - N/A Rain Light Rain
12:35 PM 77.0 °F - 60.8 °F 57% 29.87 in 10.0 mi North - - N/A   Scattered Clouds
12:55 PM 73.4 °F - 62.6 °F 69% 29.85 in 10.0 mi North - - N/A Rain Light Rain
1:15 PM 75.2 °F - 62.6 °F 65% 29.85 in 10.0 mi NNW 5.8 mph - N/A   Scattered Clouds
1:35 PM 77.0 °F - 62.6 °F 61% 29.86 in 10.0 mi North - - N/A   Clear
1:55 PM 77.0 °F - 62.6 °F 61% 29.86 in 10.0 mi WNW 13.8 mph 24.2 mph N/A   Clear
2:15 PM 77.0 °F - 62.6 °F 61% 29.87 in 10.0 mi WNW 13.8 mph - N/A   Clear
2:35 PM 78.8 °F - 64.4 °F 61% 29.87 in 10.0 mi North - - N/A   Clear
2:55 PM 77.0 °F - 62.6 °F 61% 29.87 in 10.0 mi North - - N/A   Clear
3:15 PM 77.0 °F - 62.6 °F 61% 29.87 in 10.0 mi WNW 12.7 mph - N/A   Clear
3:35 PM 78.8 °F - 64.4 °F 61% 29.86 in 10.0 mi North - - N/A   Clear
3:55 PM 77.0 °F - 62.6 °F 61% 29.86 in 10.0 mi North - - N/A   Clear
4:15 PM 77.0 °F - 64.4 °F 65% 29.85 in 10.0 mi WNW 8.1 mph - N/A   Clear
4:35 PM 78.8 °F - 64.4 °F 61% 29.84 in 10.0 mi North - - N/A   Clear
4:55 PM 78.8 °F - 62.6 °F 57% 29.85 in 10.0 mi North - - N/A   Clear
5:15 PM 78.8 °F - 60.8 °F 54% 29.86 in 10.0 mi North - - N/A   Clear
5:35 PM 78.8 °F - 60.8 °F 54% 29.86 in 10.0 mi North - - N/A   Clear
5:55 PM 78.8 °F - 62.6 °F 57% 29.86 in 10.0 mi North - - N/A   Clear
6:15 PM 77.0 °F - 62.6 °F 61% 29.87 in 10.0 mi North - - N/A   Clear
6:35 PM 77.0 °F - 62.6 °F 61% 29.87 in 10.0 mi North - - N/A   Clear
6:55 PM 77.0 °F - 62.6 °F 61% 29.87 in 10.0 mi North - - N/A   Clear
7:15 PM 77.0 °F - 60.8 °F 57% 29.88 in 10.0 mi West 5.8 mph - N/A   Clear
7:35 PM 75.2 °F - 62.6 °F 65% 29.88 in 10.0 mi North - - N/A   Clear
7:55 PM 73.4 °F - 60.8 °F 65% 29.89 in 10.0 mi North - - N/A   Clear
8:15 PM 73.4 °F - 60.8 °F 65% 29.90 in 10.0 mi North - - N/A   Clear
8:35 PM 73.4 °F - 60.8 °F 65% 29.90 in 10.0 mi North - - N/A   Clear
8:55 PM 73.4 °F - 60.8 °F 65% 29.91 in 10.0 mi North - - N/A   Clear
9:15 PM 73.4 °F - 59.0 °F 61% 29.91 in 10.0 mi North - - N/A   Clear
9:35 PM 73.4 °F - 59.0 °F 61% 29.92 in 10.0 mi North - - N/A   Clear
9:55 PM 71.6 °F - 59.0 °F 64% 29.93 in 10.0 mi North - - N/A   Clear
10:15 PM 71.6 °F - 59.0 °F 64% 29.94 in 10.0 mi North - - N/A   Clear
10:35 PM 71.6 °F - 59.0 °F 64% 29.94 in 10.0 mi North - - N/A   Clear
10:55 PM 71.6 °F - 59.0 °F 64% 29.95 in 10.0 mi North - - N/A   Clear
11:15 PM 69.8 °F - 59.0 °F 68% 29.95 in 10.0 mi NW 12.7 mph - N/A   Clear
11:35 PM 69.8 °F - 59.0 °F 68% 29.95 in 10.0 mi NW 12.7 mph 19.6 mph N/A   Clear
11:55 PM 69.8 °F - 59.0 °F 68% 29.95 in 10.0 mi NW 9.2 mph 16.1 mph N/A   Clear