Washington, DC
on Friday, September 12, 2008

Friday
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Daily Summary
 ActualAverageRecord
Temperature
Mean Temperature °F 72°F  
Max Temperature 81°F 81°F 96°F (1931)
Min Temperature 70°F 63°F 41°F (1917)
Degree Days
Heating Degree Days 0 0  
Month to date heating degree days 0 0  
Since 1 July heating degree days 0 7  
Cooling Degree Days 11 7  
Month to date cooling degree days 156 105  
Year to date cooling degree days 1545 1404  
Growing Degree Days26 (Base °F )  
Moisture
Dew Point 62°F   
Average Humidity 72    
Maximum Humidity 82    
Minimum Humidity 62    
Precipitation
Precipitation 0.03 in 0.13 in 4.02 in (1934)
Month to date precipitation 4.11 1.51  
Year to date precipitation 37.66 27.77  
Snow
Snow 0.00 in in 0.00 in (0.0)
Month to date snowfall 0.0 0.0  
Since 1 July snowfall 0.0 0.0  
Snow Depth 0.00 in   
Wind
Wind Speed 9 mph   
Max Wind Speed 18 mph   
Max Gust Speed 24 mph   
Visibility 9 miles   
Events Rain   

Key: T is trace of precipitation, MM is missing value
Source: NWS Daily Summary
Time(EDT)TemperatureDew PointHumidity Pressure Visibility Wind DirectionWind SpeedGust SpeedPrecipitationEvents Conditions
12:44 AM 71.6°F 62.6°F 73% 30.27 in 10.0 miles SSE 8.1 mph - N/A   Overcast
12:52 AM 72.0°F 62.1°F 71% 30.27 in 10.0 miles SSE 6.9 mph - N/A   Overcast
1:52 AM 72.0°F 62.1°F 71% 30.26 in 10.0 miles SSE 9.2 mph - N/A   Overcast
2:52 AM 72.0°F 61.0°F 68% 30.25 in 10.0 miles South 8.1 mph - N/A   Overcast
3:52 AM 71.1°F 61.0°F 70% 30.23 in 10.0 miles SSE 5.8 mph - N/A   Mostly Cloudy
4:52 AM 71.1°F 62.1°F 73% 30.22 in 10.0 miles SE 3.5 mph - N/A   Overcast
5:52 AM 71.1°F 62.1°F 73% 30.20 in 10.0 miles SSE 5.8 mph - N/A   Overcast
6:52 AM 71.1°F 63.0°F 75% 30.20 in 10.0 miles South 6.9 mph - N/A   Overcast
7:52 AM 72.0°F 64.0°F 76% 30.19 in 10.0 miles South 6.9 mph - N/A   Overcast
8:52 AM 72.0°F 64.0°F 76% 30.20 in 10.0 miles South 6.9 mph - N/A   Overcast
9:33 AM 73.4°F 64.4°F 73% 30.17 in 10.0 miles South 12.7 mph - N/A   Overcast
9:52 AM 73.0°F 64.9°F 76% 30.17 in 10.0 miles South 12.7 mph - N/A   Overcast
10:52 AM 75.0°F 66.0°F 73% 30.17 in 10.0 miles South 13.8 mph - N/A   Overcast
11:52 AM 75.9°F 66.9°F 74% 30.15 in 10.0 miles South 12.7 mph - N/A   Overcast
12:52 PM 79.0°F 66.9°F 66% 30.13 in 10.0 miles South 13.8 mph - N/A   Overcast
1:52 PM 80.1°F 66.9°F 64% 30.09 in 10.0 miles SSW 15.0 mph 19.6 mph N/A   Overcast
2:12 PM 80.6°F 66.2°F 61% 30.08 in 10.0 miles SSW 13.8 mph - N/A   Overcast
2:52 PM 80.1°F 68.0°F 67% 30.07 in 10.0 miles SSW 15.0 mph 24.2 mph 0.00 in   Overcast
3:52 PM 78.1°F 70.0°F 76% 30.05 in 7.0 miles SSW 11.5 mph - 0.01 in Rain Light Rain
4:07 PM 78.8°F 69.8°F 74% 30.05 in 4.0 miles SW 10.4 mph - 0.01 in Rain Rain
4:16 PM 78.8°F 69.8°F 74% 30.04 in 5.0 miles SW 8.1 mph - 0.02 in Rain Light Rain
4:33 PM 78.8°F 71.6°F 78% 30.03 in 8.0 miles SSW 8.1 mph - 0.02 in Rain Light Rain
4:52 PM 78.1°F 71.1°F 79% 30.03 in 10.0 miles SSW 8.1 mph - 0.02 in Rain Light Rain
5:52 PM 78.1°F 71.1°F 79% 30.02 in 10.0 miles SSW 9.2 mph - 0.00 in Rain Light Rain
6:52 PM 78.1°F 71.1°F 79% 30.02 in 10.0 miles South 5.8 mph - 0.00 in Rain Light Rain
7:52 PM 77.0°F 72.0°F 84% 30.01 in 10.0 miles South 4.6 mph - 0.00 in Rain Light Rain
8:52 PM 77.0°F 72.0°F 84% 30.01 in 10.0 miles South 6.9 mph - 0.00 in   Overcast
9:52 PM 77.0°F 72.0°F 84% 30.00 in 10.0 miles South 6.9 mph - N/A   Overcast
10:52 PM 77.0°F 71.1°F 82% 29.99 in 10.0 miles SSW 6.9 mph - N/A   Mostly Cloudy
11:52 PM 79.0°F 70.0°F 74% 29.99 in 10.0 miles SW 5.8 mph - N/A   Overcast

Astronomy

Sunrise:06:47 AM (EDT) Moon Rise:05:58 PM (EDT)9/12
Sunset:07:20 PM (EDT) Moon Set:03:42 AM (EDT)9/12
Moon Phase
Sep. 12 Sep. 15 Sep. 22 Sep. 29 Oct. 07

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