Weather History for KDCA - April, 2007

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Sunday, April 29, 2007

  Actual Average Record
Temperature  
Mean Temperature 63 °F 61 °F  
Max Temperature 76 °F 71 °F 91 °F (1974)
Min Temperature 50 °F 51 °F 30 °F (1874)
Degree Days  
Heating Degree Days 2 5  
Month to date heating degree days 353 264  
Since 1 July heating degree days 3914 3940  
Cooling Degree Days 0 1  
Month to date cooling degree days 15 20  
Year to date cooling degree days 20 22  
Growing Degree Days 12 (Base 50)    
Moisture  
Dew Point 45 °F    
Average Humidity 55    
Maximum Humidity 80    
Minimum Humidity 29    
Precipitation  
Precipitation 0.00 in 0.11 in 2.05 in (1880)
Month to date precipitation 4.17 2.96  
Year to date precipitation 12.04 11.87  
Snow  
Snow 0.00 in 0.00 in 0.00 in (2002)
Month to date snowfall 0.4 0.0  
Since 1 July snowfall 9.5 15.4  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.90 in    
Wind  
Wind Speed 8 mph (West)    
Max Wind Speed 22 mph    
Max Gust Speed 28 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Apr. 29, 2007 Rise Set
Actual Time 6:13 AM EDT 7:58 PM EDT
Civil Twilight 5:44 AM EDT 8:27 PM EDT
Nautical Twilight 5:10 AM EDT 9:01 PM EDT
Astronomical Twilight 4:33 AM EDT 9:38 PM EDT
Moon 5:40 PM EDT (4/29) 4:44 AM EDT (4/29)
Length of Visible Light 14h 42m
Length of Day
13h 45m
Waxing Gibbous, 93% of the Moon is Illuminated
Apr 29
Waxing Gibbous
May 2
Full
May 10
Last Quarter
May 16
New
May 23
First Quarter

Hourly Weather History & Observations

Time (EDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:52 AM 59.0 °F 48.0 °F 67% 29.89 in 10.0 mi WNW 12.7 mph - N/A   Scattered Clouds
1:52 AM 57.0 °F 46.0 °F 67% 29.89 in 10.0 mi NW 6.9 mph - N/A   Partly Cloudy
2:52 AM 55.9 °F 44.1 °F 64% 29.88 in 10.0 mi West 4.6 mph - N/A   Partly Cloudy
3:52 AM 55.0 °F 44.1 °F 67% 29.86 in 10.0 mi Calm Calm - N/A   Scattered Clouds
4:52 AM 51.1 °F 44.1 °F 77% 29.87 in 10.0 mi SW 4.6 mph - N/A   Partly Cloudy
5:52 AM 50.0 °F 44.1 °F 80% 29.88 in 10.0 mi SW 4.6 mph - N/A   Partly Cloudy
6:52 AM 52.0 °F 44.1 °F 74% 29.88 in 10.0 mi SSW 3.5 mph - N/A   Scattered Clouds
7:52 AM 55.4 °F 44.6 °F 67% 29.90 in 10.0 mi Variable 3.5 mph - N/A   Scattered Clouds
8:52 AM 63.0 °F 45.0 °F 52% 29.91 in 10.0 mi WNW 10.4 mph - N/A   Clear
9:52 AM 66.0 °F 46.9 °F 50% 29.92 in 10.0 mi WNW 15.0 mph 23.0 mph N/A   Clear
10:52 AM 68.0 °F 46.9 °F 47% 29.93 in 10.0 mi NW 18.4 mph 23.0 mph N/A   Scattered Clouds
11:52 AM 69.1 °F 46.0 °F 44% 29.93 in 10.0 mi WNW 10.4 mph 19.6 mph N/A   Scattered Clouds
12:52 PM 72.0 °F 45.0 °F 38% 29.91 in 10.0 mi West 13.8 mph 19.6 mph N/A   Scattered Clouds
1:52 PM 73.9 °F 45.0 °F 35% 29.89 in 10.0 mi WNW 12.7 mph 19.6 mph N/A   Scattered Clouds
2:52 PM 72.0 °F 46.9 °F 41% 29.88 in 10.0 mi West 12.7 mph 23.0 mph N/A   Mostly Cloudy
3:52 PM 75.0 °F 45.0 °F 34% 29.87 in 10.0 mi WNW 15.0 mph 23.0 mph N/A   Scattered Clouds
4:52 PM 73.9 °F 43.0 °F 33% 29.86 in 10.0 mi WNW 12.7 mph 19.6 mph N/A   Mostly Cloudy
5:52 PM 75.0 °F 43.0 °F 32% 29.87 in 10.0 mi NW 13.8 mph 19.6 mph N/A   Scattered Clouds
6:52 PM 73.9 °F 39.9 °F 29% 29.88 in 10.0 mi NW 12.7 mph 19.6 mph N/A   Partly Cloudy
7:52 PM 72.0 °F 41.0 °F 33% 29.89 in 10.0 mi WNW 5.8 mph - N/A   Partly Cloudy
8:52 PM 71.1 °F 41.0 °F 34% 29.92 in 10.0 mi WNW 3.5 mph - N/A   Partly Cloudy
9:52 PM 68.0 °F 43.0 °F 40% 29.94 in 10.0 mi WNW 4.6 mph - N/A   Clear
10:52 PM 62.1 °F 48.9 °F 62% 29.94 in 10.0 mi SE 3.5 mph - N/A   Partly Cloudy
11:52 PM 62.1 °F 44.1 °F 52% 29.95 in 10.0 mi SSW 3.5 mph - N/A   Partly Cloudy