Washington, VA

2:25 AM EDT on April 24, 2017 (GMT -0400)
Ronald Reagan Washington National

Weather History for KDCA - April, 2008

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Friday, April 18, 2008

  Actual Average Record
Temperature  
Mean Temperature 69 °F 58 °F  
Max Temperature 85 °F 68 °F 95 °F (1976)
Min Temperature 52 °F 48 °F 25 °F (1875)
Degree Days  
Heating Degree Days 0 8  
Month to date heating degree days 162 191  
Since 1 July heating degree days 3354 3867  
Cooling Degree Days 4 1  
Month to date cooling degree days 9 9  
Year to date cooling degree days 9 11  
Growing Degree Days 18 (Base 50)    
Moisture  
Dew Point 43 °F    
Average Humidity 43    
Maximum Humidity 67    
Minimum Humidity 19    
Precipitation  
Precipitation 0.00 in 0.09 in 1.40 in (1924)
Month to date precipitation 1.57 1.85  
Year to date precipitation 9.91 10.76  
Snow  
Snow 0.00 in 0.00 in T in (2001)
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 30.01 in    
Wind  
Wind Speed 3 mph (South)    
Max Wind Speed 9 mph    
Max Gust Speed 13 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

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Date:

Astronomy

Apr. 18, 2008 Rise Set
Actual Time 6:26 AM EDT 7:48 PM EDT
Civil Twilight 5:59 AM EDT 8:16 PM EDT
Nautical Twilight 5:25 AM EDT 8:49 PM EDT
Astronomical Twilight 4:50 AM EDT 9:24 PM EDT
Moon 6:26 PM EDT (4/18) 5:18 AM EDT (4/18)
Length of Visible Light 14h 17m
Length of Day
13h 21m
Waxing Gibbous, 97% of the Moon is Illuminated
Apr 18
Waxing Gibbous
Apr 20
Full
Apr 28
Last Quarter
May 5
New
May 11
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% 30.05 in 10.0 mi Calm Calm - N/A   Partly Cloudy
2:52 AM 53.1 °F 41.0 °F 64% 30.02 in 10.0 mi SSW 4.6 mph - N/A   Clear
3:52 AM 54.0 °F 42.1 °F 64% 30.02 in 10.0 mi SW 4.6 mph - N/A   Clear
4:52 AM 55.0 °F 39.9 °F 57% 30.03 in 10.0 mi SSW 3.5 mph - N/A   Clear
5:52 AM 53.1 °F 42.1 °F 66% 30.03 in 10.0 mi SSW 3.5 mph - N/A   Partly Cloudy
6:52 AM 54.0 °F 41.0 °F 62% 30.06 in 10.0 mi Calm Calm - N/A   Partly Cloudy
7:52 AM 57.0 °F 45.0 °F 64% 30.07 in 10.0 mi Calm Calm - N/A   Partly Cloudy
8:52 AM 61.0 °F 46.0 °F 58% 30.07 in 10.0 mi Calm Calm - N/A   Partly Cloudy
9:52 AM 70.0 °F 45.0 °F 41% 30.07 in 10.0 mi NE 3.5 mph - N/A   Partly Cloudy
10:52 AM 77.0 °F 39.9 °F 26% 30.07 in 10.0 mi North 3.5 mph - N/A   Scattered Clouds
11:52 AM 78.1 °F 42.1 °F 28% 30.06 in 10.0 mi ESE 3.5 mph - N/A   Scattered Clouds
12:52 PM 81.0 °F 39.9 °F 23% 30.04 in 10.0 mi ESE 5.8 mph - N/A   Scattered Clouds
1:52 PM 81.0 °F 39.9 °F 23% 30.02 in 10.0 mi ESE 5.8 mph - N/A   Scattered Clouds
2:52 PM 84.0 °F 37.9 °F 19% 30.00 in 10.0 mi East 4.6 mph - N/A   Partly Cloudy
3:52 PM 84.0 °F 37.0 °F 19% 29.98 in 10.0 mi South 4.6 mph - N/A   Scattered Clouds
4:52 PM 82.9 °F 39.9 °F 22% 29.96 in 10.0 mi SSE 4.6 mph - N/A   Scattered Clouds
5:52 PM 84.0 °F 39.0 °F 20% 29.96 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
6:52 PM 79.0 °F 41.0 °F 26% 29.96 in 10.0 mi SSE 6.9 mph - N/A   Mostly Cloudy
7:52 PM 73.9 °F 50.0 °F 43% 29.96 in 10.0 mi South 3.5 mph - N/A   Mostly Cloudy
8:52 PM 75.0 °F 43.0 °F 32% 29.97 in 10.0 mi South 3.5 mph - N/A   Partly Cloudy
9:52 PM 72.0 °F 44.1 °F 37% 29.98 in 10.0 mi SSW 3.5 mph - N/A   Scattered Clouds
10:52 PM 66.9 °F 50.0 °F 54% 29.98 in 10.0 mi SW 4.6 mph - N/A   Mostly Cloudy
11:52 PM 66.9 °F 45.0 °F 45% 29.97 in 10.0 mi Calm Calm - N/A   Mostly Cloudy