Weather History for KDCA - April, 2008

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Tuesday, April 22, 2008

  Actual Average Record
Temperature  
Mean Temperature 64 °F 59 °F  
Max Temperature 72 °F 69 °F 93 °F (1985)
Min Temperature 56 °F 49 °F 30 °F (1875)
Degree Days  
Heating Degree Days 1 7  
Month to date heating degree days 169 221  
Since 1 July heating degree days 3361 3897  
Cooling Degree Days 0 1  
Month to date cooling degree days 13 13  
Year to date cooling degree days 13 15  
Growing Degree Days 13 (Base 50)    
Moisture  
Dew Point 54 °F    
Average Humidity 72    
Maximum Humidity 86    
Minimum Humidity 57    
Precipitation  
Precipitation T in 0.10 in 1.47 in (1883)
Month to date precipitation 3.64 2.24  
Year to date precipitation 11.98 11.15  
Snow  
Snow 0.00 in 0.00 in T in (1984)
Month to date snowfall 0.0 0.0  
Since 1 July snowfall 4.9 15.4  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.19 in    
Wind  
Wind Speed 11 mph (ENE)    
Max Wind Speed 21 mph    
Max Gust Speed 24 mph    
Visibility 9 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Apr. 22, 2008 Rise Set
Actual Time 6:21 AM EDT 7:52 PM EDT
Civil Twilight 5:53 AM EDT 8:20 PM EDT
Nautical Twilight 5:19 AM EDT 8:54 PM EDT
Astronomical Twilight 4:43 AM EDT 9:30 PM EDT
Moon 10:31 PM EDT (4/22) 7:05 AM EDT (4/22)
Length of Visible Light 14h 27m
Length of Day
13h 31m
Waning Gibbous, 95% of the Moon is Illuminated
Apr 22
Waning Gibbous
Apr 28
Last Quarter
May 5
New
May 11
First Quarter
May 19
Full

Hourly Weather History & Observations

Time (EDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:19 AM 57.2 °F 53.6 °F 88% 30.18 in 5.0 mi NE 13.8 mph - 0.00 in Rain Light Rain
12:52 AM 57.9 °F 54.0 °F 87% 30.18 in 7.0 mi NE 13.8 mph - 0.00 in   Overcast
1:06 AM 57.2 °F 53.6 °F 88% 30.17 in 10.0 mi NE 13.8 mph - N/A   Overcast
1:52 AM 57.0 °F 53.1 °F 87% 30.17 in 6.0 mi NE 13.8 mph - 0.00 in Rain Light Rain
2:52 AM 57.0 °F 53.1 °F 87% 30.17 in 7.0 mi NE 15.0 mph - 0.00 in   Overcast
3:52 AM 57.0 °F 53.1 °F 87% 30.17 in 10.0 mi NE 12.7 mph - N/A   Overcast
4:52 AM 55.9 °F 52.0 °F 87% 30.17 in 10.0 mi NE 17.3 mph - N/A   Overcast
5:52 AM 55.9 °F 52.0 °F 87% 30.17 in 10.0 mi ENE 17.3 mph - N/A   Overcast
6:52 AM 55.9 °F 52.0 °F 87% 30.19 in 10.0 mi NE 13.8 mph - N/A   Overcast
7:52 AM 55.9 °F 52.0 °F 87% 30.20 in 9.0 mi NE 13.8 mph - N/A   Overcast
8:52 AM 57.0 °F 52.0 °F 83% 30.21 in 10.0 mi NE 12.7 mph - N/A   Overcast
9:52 AM 57.9 °F 53.1 °F 84% 30.22 in 10.0 mi NE 11.5 mph - N/A   Overcast
10:48 AM 60.8 °F 53.6 °F 77% 30.23 in 10.0 mi NE 11.5 mph - N/A   Overcast
10:52 AM 61.0 °F 54.0 °F 78% 30.23 in 10.0 mi NE 12.7 mph - N/A   Overcast
11:52 AM 64.9 °F 55.9 °F 73% 30.22 in 10.0 mi NE 8.1 mph - N/A   Mostly Cloudy
12:08 PM 66.2 °F 55.4 °F 68% 30.21 in 10.0 mi NE 10.4 mph - N/A   Mostly Cloudy
12:52 PM 68.0 °F 57.0 °F 68% 30.20 in 10.0 mi East 6.9 mph - N/A   Mostly Cloudy
1:30 PM 66.2 °F 53.6 °F 64% 30.20 in 10.0 mi Variable 6.9 mph 17.3 mph N/A   Mostly Cloudy
1:52 PM 68.0 °F 55.0 °F 63% 30.19 in 10.0 mi East 12.7 mph - N/A   Mostly Cloudy
2:52 PM 71.1 °F 55.9 °F 59% 30.19 in 10.0 mi ENE 11.5 mph - N/A   Mostly Cloudy
3:52 PM 70.0 °F 55.0 °F 59% 30.16 in 10.0 mi NE 5.8 mph - N/A   Mostly Cloudy
4:52 PM 70.0 °F 53.1 °F 55% 30.15 in 10.0 mi East 10.4 mph 16.1 mph N/A   Overcast
5:52 PM 69.1 °F 53.1 °F 57% 30.16 in 10.0 mi East 12.7 mph - N/A   Mostly Cloudy
6:52 PM 69.1 °F 53.1 °F 57% 30.17 in 10.0 mi East 12.7 mph - N/A   Overcast
7:52 PM 66.9 °F 53.1 °F 61% 30.18 in 10.0 mi East 9.2 mph - N/A   Scattered Clouds
9:52 PM 63.0 °F 55.0 °F 75% 30.21 in 10.0 mi ENE 6.9 mph - N/A   Partly Cloudy
11:52 PM 60.1 °F 55.0 °F 83% 30.22 in 10.0 mi NE 5.8 mph - N/A   Clear