Washington, VA

7:46 AM EDT on May 23, 2017 (GMT -0400)
Ronald Reagan Washington National

Weather History for KDCA - May, 2014

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Thursday, May 15, 2014

  Actual Average Record
Temperature  
Mean Temperature 74 °F 66 °F  
Max Temperature 81 °F 75 °F 94 °F (1962)
Min Temperature 66 °F 56 °F 40 °F (1939)
Degree Days  
Heating Degree Days 0 3  
Month to date heating degree days 15 54  
Since 1 July heating degree days 4104 4000  
Cooling Degree Days 9 3  
Month to date cooling degree days 65 32  
Year to date cooling degree days 86 58  
Growing Degree Days 24 (Base 50)    
Moisture  
Dew Point 66 °F    
Average Humidity 78    
Maximum Humidity 93    
Minimum Humidity 62    
Precipitation  
Precipitation 0.40 in 0.14 in 1.28 in (1949)
Month to date precipitation 1.32 1.87  
Year to date precipitation 18.65 13.84  
Snow  
Snow 0.00 in 0.00 in - ()
Month to date snowfall 0.0 0.0  
Since 1 July snowfall 32.0 15.4  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.04 in    
Wind  
Wind Speed 10 mph (SSE)    
Max Wind Speed 21 mph    
Max Gust Speed 31 mph    
Visibility 7 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Daily Weather History Graph

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Date:

Astronomy

May. 15, 2014 Rise Set
Actual Time 5:55 AM EDT 8:13 PM EDT
Civil Twilight 5:25 AM EDT 8:43 PM EDT
Nautical Twilight 4:48 AM EDT 9:20 PM EDT
Astronomical Twilight 4:08 AM EDT 10:01 PM EDT
Moon 9:19 PM EDT (5/15) 6:40 AM EDT (5/15)
Length of Visible Light 15h 18m
Length of Day
14h 17m
Full, 99% of the Moon is Illuminated
May 15
Full
May 21
Last Quarter
May 28
New
Jun 5
First Quarter
Jun 13
Full

Hourly Weather History & Observations

Time (EDT) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:52 AM 66.0 °F - 64.0 °F 93% 30.14 in 1.5 mi ENE 4.6 mph - N/A   Overcast
1:52 AM 66.0 °F - 64.0 °F 93% 30.13 in 1.5 mi ESE 3.5 mph - N/A   Overcast
2:52 AM 66.0 °F - 64.9 °F 96% 30.11 in 2.5 mi East 5.8 mph - N/A   Overcast
3:35 AM 66.2 °F - 64.4 °F 94% 30.10 in 2.5 mi East 4.6 mph - N/A   Overcast
3:52 AM 66.9 °F - 64.9 °F 93% 30.10 in 2.5 mi East 4.6 mph - N/A   Overcast
3:59 AM 66.2 °F - 64.4 °F 94% 30.10 in 2.5 mi ESE 5.8 mph - N/A   Overcast
4:36 AM 66.2 °F - 64.4 °F 94% 30.10 in 2.5 mi ESE 5.8 mph - N/A   Overcast
4:52 AM 68.0 °F - 64.9 °F 90% 30.10 in 3.0 mi ESE 5.8 mph - N/A   Overcast
5:33 AM 66.2 °F - 64.4 °F 94% 30.10 in 4.0 mi SSE 4.6 mph - N/A   Mostly Cloudy
5:52 AM 66.9 °F - 64.0 °F 90% 30.10 in 4.0 mi Variable 6.9 mph - N/A   Mostly Cloudy
6:12 AM 66.2 °F - 64.4 °F 94% 30.10 in 5.0 mi SSE 3.5 mph - N/A   Mostly Cloudy
6:52 AM 66.9 °F - 64.0 °F 90% 30.11 in 6.0 mi SSE 4.6 mph - N/A   Mostly Cloudy
7:52 AM 70.0 °F - 64.9 °F 84% 30.11 in 8.0 mi South 9.2 mph - N/A   Mostly Cloudy
8:16 AM 71.6 °F - 64.4 °F 78% 30.10 in 10.0 mi South 9.2 mph - N/A   Overcast
8:52 AM 72.0 °F - 64.9 °F 78% 30.11 in 10.0 mi South 9.2 mph - N/A   Overcast
9:23 AM 71.6 °F - 66.2 °F 83% 30.11 in 10.0 mi South 6.9 mph - N/A   Overcast
9:52 AM 73.9 °F - 66.9 °F 79% 30.10 in 10.0 mi South 8.1 mph - N/A   Overcast
10:09 AM 75.2 °F - 68.0 °F 78% 30.09 in 10.0 mi South 10.4 mph - N/A   Overcast
10:52 AM 75.2 °F - 66.2 °F 73% 30.08 in 10.0 mi South 16.1 mph - N/A   Overcast
11:52 AM 77.0 °F - 66.9 °F 71% 30.07 in 10.0 mi South 10.4 mph - N/A   Overcast
12:52 PM 78.1 °F - 66.0 °F 66% 30.04 in 10.0 mi SSE 18.4 mph - N/A   Mostly Cloudy
1:52 PM 80.1 °F 82.1 °F 66.0 °F 62% 30.01 in 10.0 mi SSE 18.4 mph 24.2 mph N/A   Mostly Cloudy
3:52 PM 79.0 °F - 66.0 °F 64% 29.99 in 10.0 mi SSE 18.4 mph 26.5 mph N/A   Overcast
4:31 PM 78.8 °F - 66.2 °F 65% 29.98 in 10.0 mi SE 17.3 mph 25.3 mph N/A   Mostly Cloudy
4:52 PM 77.0 °F - 66.0 °F 69% 29.98 in 10.0 mi SE 12.7 mph 21.9 mph 0.00 in   Overcast
5:16 PM 75.2 °F - 66.2 °F 73% 29.99 in 10.0 mi SSE 12.7 mph 26.5 mph N/A   Overcast
5:52 PM 75.9 °F - 66.0 °F 71% 29.98 in 10.0 mi SSE 13.8 mph - N/A   Overcast
6:52 PM 75.9 °F - 64.9 °F 69% 29.96 in 10.0 mi SE 8.1 mph - 0.00 in   Overcast
7:52 PM 75.0 °F - 64.9 °F 71% 29.96 in 10.0 mi SSW 5.8 mph - N/A   Overcast
8:21 PM 75.2 °F - 64.4 °F 69% 29.95 in 10.0 mi SSE 10.4 mph - N/A   Overcast
8:52 PM 73.9 °F - 66.0 °F 76% 29.94 in 10.0 mi SE 11.5 mph - N/A   Overcast
9:52 PM 73.0 °F - 66.0 °F 79% 29.94 in 10.0 mi SE 13.8 mph - 0.00 in Rain Light Rain
10:06 PM 73.4 °F - 66.2 °F 78% 29.94 in 4.0 mi SE 13.8 mph - 0.01 in Rain Light Rain
10:16 PM 71.6 °F - 66.2 °F 83% 29.95 in 3.0 mi SSW 15.0 mph 20.7 mph 0.08 in Rain Heavy Rain
10:21 PM 71.6 °F - 66.2 °F 83% 29.94 in 2.5 mi South 11.5 mph 20.7 mph 0.15 in Rain Heavy Rain
10:32 PM 69.8 °F - 68.0 °F 94% 29.95 in 4.0 mi SSW 11.5 mph - 0.31 in Rain Rain
10:52 PM 70.0 °F - 66.9 °F 90% 29.94 in 8.0 mi South 6.9 mph - 0.34 in Rain Light Rain
11:52 PM 69.8 °F - 66.2 °F 88% 29.92 in 7.0 mi SE 5.8 mph - N/A Rain Light Rain
11:59 PM 71.6 °F - 66.2 °F 83% 29.92 in 8.0 mi SSE 10.4 mph 17.3 mph 0.00 in Rain Light Rain