Weather History for Washington, DC

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Saturday, May 11, 2013

  Actual Average Record
Temperature  
Mean Temperature 72 °F 64 °F  
Max Temperature 80 °F 74 °F 94 °F (1911)
Min Temperature 64 °F 55 °F 33 °F (1906)
Degree Days  
Heating Degree Days 0 3  
Month to date heating degree days 38 42  
Since 1 July heating degree days 3720 3988  
Cooling Degree Days 7 2  
Month to date cooling degree days 16 20  
Year to date cooling degree days 57 46  
Growing Degree Days 22 (Base 50)    
Moisture  
Dew Point 62 °F    
Average Humidity 74    
Maximum Humidity 93    
Minimum Humidity 54    
Precipitation  
Precipitation 0.07 in 0.13 in 2.63 in (2008)
Month to date precipitation 1.20 1.34  
Year to date precipitation 10.96 13.31  
Snow  
Snow 0.00 in 0.00 in - ()
Month to date snowfall 0.0 0.0  
Since 1 July snowfall 3.1 15.4  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.80 in    
Wind  
Wind Speed 7 mph (SSW)    
Max Wind Speed 17 mph    
Max Gust Speed 22 mph    
Visibility 10 miles    
Events Rain , Thunderstorm    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

May. 11, 2013 Rise Set
Actual Time 5:59 AM EDT 8:10 PM EDT
Civil Twilight 5:29 AM EDT 8:40 PM EDT
Nautical Twilight 4:53 AM EDT 9:16 PM EDT
Astronomical Twilight 4:13 AM EDT 9:56 PM EDT
Moon 7:05 AM EDT (5/11) 9:48 PM EDT (5/11)
Length of Visible Light 15h 10m
Length of Day
14h 11m
Waxing Crescent, 3% of the Moon is Illuminated
May 11
Waxing Crescent
May 18
First Quarter
May 25
Full
May 31
Last Quarter
Jun 8
New

Hourly Weather History & Observations

Time (EDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:52 AM 64.0 °F 62.1 °F 93% 29.90 in 6.0 mi East 5.8 mph - 0.04 in Rain Light Rain
1:13 AM 64.4 °F 62.6 °F 94% 29.89 in 10.0 mi ESE 3.5 mph - 0.00 in Rain , Thunderstorm Light Thunderstorms and Rain
1:38 AM 64.4 °F 62.6 °F 94% 29.88 in 9.0 mi South 13.8 mph - 0.01 in Rain Light Rain
1:52 AM 66.9 °F 61.0 °F 81% 29.87 in 10.0 mi SSW 10.4 mph - 0.01 in   Overcast
2:52 AM 64.9 °F 61.0 °F 87% 29.88 in 10.0 mi South 8.1 mph - N/A   Overcast
3:52 AM 64.0 °F 61.0 °F 90% 29.86 in 10.0 mi South 6.9 mph - 0.00 in   Overcast
4:52 AM 64.0 °F 61.0 °F 90% 29.85 in 10.0 mi South 5.8 mph - N/A   Overcast
5:52 AM 64.9 °F 61.0 °F 87% 29.83 in 10.0 mi SSW 8.1 mph - 0.00 in   Overcast
6:52 AM 64.0 °F 61.0 °F 90% 29.83 in 10.0 mi South 5.8 mph - N/A   Overcast
7:52 AM 64.9 °F 62.1 °F 90% 29.82 in 10.0 mi South 6.9 mph - N/A   Mostly Cloudy
8:52 AM 66.9 °F 62.1 °F 84% 29.83 in 10.0 mi SSW 11.5 mph - N/A   Overcast
9:25 AM 66.2 °F 62.6 °F 88% 29.82 in 10.0 mi South 5.8 mph - 0.00 in Rain Light Rain
9:52 AM 66.0 °F 63.0 °F 90% 29.82 in 8.0 mi South 8.1 mph - 0.00 in Rain Light Rain
10:52 AM 70.0 °F 64.0 °F 81% 29.81 in 10.0 mi South 5.8 mph - 0.00 in   Overcast
11:52 AM 72.0 °F 64.0 °F 76% 29.80 in 10.0 mi SSW 11.5 mph - N/A   Overcast
12:52 PM 73.9 °F 64.0 °F 71% 29.79 in 10.0 mi SSW 12.7 mph 17.3 mph N/A   Overcast
1:52 PM 78.1 °F 64.0 °F 62% 29.77 in 10.0 mi West 10.4 mph - N/A   Mostly Cloudy
2:52 PM 75.9 °F 60.1 °F 58% 29.75 in 10.0 mi WSW 8.1 mph - N/A   Mostly Cloudy
3:52 PM 77.0 °F 60.1 °F 56% 29.73 in 10.0 mi Variable 3.5 mph - 0.01 in   Overcast
4:52 PM 77.0 °F 61.0 °F 58% 29.72 in 10.0 mi Calm Calm - N/A   Overcast
5:18 PM 78.8 °F 60.8 °F 54% 29.71 in 10.0 mi SW 12.7 mph - N/A   Overcast
5:52 PM 78.1 °F 60.1 °F 54% 29.73 in 10.0 mi WNW 11.5 mph - N/A   Mostly Cloudy
6:52 PM 70.0 °F 61.0 °F 73% 29.75 in 10.0 mi North 4.6 mph - 0.00 in   Mostly Cloudy
7:52 PM 68.0 °F 61.0 °F 78% 29.74 in 10.0 mi NE 4.6 mph - 0.00 in   Overcast
8:29 PM 69.8 °F 62.6 °F 78% 29.76 in 10.0 mi North 5.8 mph - 0.00 in Rain , Thunderstorm Light Thunderstorms and Rain
8:45 PM 69.8 °F 60.8 °F 73% 29.77 in 7.0 mi Calm Calm - 0.02 in Rain , Thunderstorm Light Thunderstorms and Rain
8:47 PM 69.8 °F 60.8 °F 73% 29.77 in 9.0 mi North 4.6 mph - 0.02 in Rain Light Rain
8:52 PM 68.0 °F 62.1 °F 81% 29.77 in 10.0 mi North 5.8 mph - 0.02 in Rain Light Rain
8:56 PM 68.0 °F 62.6 °F 83% 29.77 in 10.0 mi North 5.8 mph - 0.00 in Rain , Thunderstorm Light Thunderstorms and Rain
9:10 PM 68.0 °F 60.8 °F 78% 29.78 in 5.0 mi Calm Calm - 0.00 in Rain , Thunderstorm Light Thunderstorms and Rain
9:28 PM 66.2 °F 60.8 °F 83% 29.78 in 10.0 mi Calm Calm - 0.03 in Rain , Thunderstorm Light Thunderstorms and Rain
9:38 PM 66.2 °F 60.8 °F 83% 29.78 in 10.0 mi SSE 4.6 mph - 0.03 in Rain Light Rain
9:52 PM 64.9 °F 62.1 °F 90% 29.78 in 10.0 mi South 3.5 mph - 0.03 in   Overcast
10:52 PM 64.9 °F 62.1 °F 90% 29.78 in 10.0 mi SSW 3.5 mph - N/A   Overcast
11:52 PM 64.9 °F 62.1 °F 90% 29.77 in 10.0 mi Calm Calm - 0.00 in Rain Light Rain