Washington, DC
on Thursday, September 11, 2008

Thursday
Previous Day Next Day
Daily Summary
 ActualAverageRecord
Temperature
Mean Temperature °F 72°F  
Max Temperature 80°F 81°F 98°F (1983)
Min Temperature 68°F 64°F 40°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 9 8  
Month to date cooling degree days 145 98  
Year to date cooling degree days 1534 1397  
Growing Degree Days24 (Base °F )  
Moisture
Dew Point 58°F   
Average Humidity 61    
Maximum Humidity 76    
Minimum Humidity 45    
Precipitation
Precipitation 0.00 in 0.13 in 1.85 in (1882)
Month to date precipitation 4.08 1.38  
Year to date precipitation 37.63 27.64  
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 7 mph   
Max Wind Speed 13 mph   
Max Gust Speed 17 mph   
Visibility 10 miles   
Events     

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
12:52 AM 70.0°F 57.9°F 65% 30.29 in 10.0 miles SE 5.8 mph - N/A   Overcast
1:52 AM 70.0°F 59.0°F 68% 30.28 in 10.0 miles East 4.6 mph - N/A   Overcast
2:52 AM 71.1°F 57.9°F 63% 30.29 in 10.0 miles Calm Calm - N/A   Mostly Cloudy
3:52 AM 70.0°F 59.0°F 68% 30.29 in 10.0 miles East 3.5 mph - N/A   Mostly Cloudy
4:52 AM 70.0°F 60.1°F 71% 30.30 in 10.0 miles ENE 4.6 mph - N/A   Mostly Cloudy
5:52 AM 69.1°F 60.1°F 73% 30.31 in 10.0 miles ENE 5.8 mph - N/A   Mostly Cloudy
6:52 AM 68.0°F 60.1°F 76% 30.31 in 10.0 miles ENE 8.1 mph - N/A   Overcast
7:52 AM 69.1°F 60.1°F 73% 30.33 in 10.0 miles NE 4.6 mph - N/A   Overcast
8:52 AM 71.1°F 57.9°F 63% 30.34 in 10.0 miles ENE 5.8 mph - N/A   Overcast
9:52 AM 72.0°F 57.9°F 61% 30.34 in 10.0 miles East 10.4 mph - N/A   Overcast
10:52 AM 73.9°F 57.0°F 55% 30.35 in 10.0 miles East 9.2 mph - N/A   Overcast
11:52 AM 75.9°F 55.9°F 50% 30.34 in 10.0 miles East 10.4 mph - N/A   Overcast
12:52 PM 75.9°F 55.0°F 48% 30.33 in 10.0 miles SE 8.1 mph - N/A   Mostly Cloudy
1:52 PM 78.1°F 57.0°F 48% 30.32 in 10.0 miles East 8.1 mph - N/A   Mostly Cloudy
2:52 PM 79.0°F 57.9°F 48% 30.30 in 10.0 miles SSE 9.2 mph - N/A   Mostly Cloudy
3:52 PM 80.1°F 57.0°F 45% 30.27 in 10.0 miles SSE 5.8 mph - N/A   Overcast
4:52 PM 78.1°F 57.9°F 50% 30.26 in 10.0 miles SE 10.4 mph - N/A   Overcast
5:52 PM 77.0°F 57.0°F 50% 30.26 in 10.0 miles SSE 6.9 mph - N/A   Overcast
6:52 PM 77.0°F 57.9°F 52% 30.27 in 10.0 miles SE 5.8 mph - N/A   Overcast
7:52 PM 75.9°F 60.1°F 58% 30.26 in 10.0 miles SE 6.9 mph - N/A   Overcast
8:52 PM 75.2°F 60.8°F 61% 30.27 in 10.0 miles SE 8.1 mph - N/A   Mostly Cloudy
9:52 PM 73.9°F 63.0°F 68% 30.28 in 10.0 miles SE 6.9 mph - N/A   Overcast
10:12 PM 73.4°F 62.6°F 69% 30.28 in 10.0 miles SSE 8.1 mph - N/A   Overcast
10:52 PM 73.0°F 63.0°F 71% 30.27 in 10.0 miles SE 9.2 mph - N/A   Overcast
11:52 PM 73.0°F 62.1°F 68% 30.28 in 10.0 miles SSE 8.1 mph - N/A   Overcast

Astronomy

Sunrise:06:46 AM (EDT) Moon Rise:05:29 PM (EDT)9/11
Sunset:07:22 PM (EDT) Moon Set:02:37 AM (EDT)9/11
Moon Phase
Sep. 11 Sep. 15 Sep. 22 Sep. 29 Oct. 07

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