Washington, VA

2:18 AM EDT on September 25, 2017 (GMT -0400)
Ronald Reagan Washington National

Weather History for KDCA - July, 2017

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Monday, July 17, 2017

  Actual Average Record
Temperature  
Mean Temperature 84 °F 80 °F  
Max Temperature 91 °F 89 °F 102 °F (1980)
Min Temperature 76 °F 71 °F 56 °F (1929)
Degree Days  
Heating Degree Days 0 0  
Month to date heating degree days 0 0  
Since 1 June heating degree days 1 6  
Since 1 July heating degree days 0 0  
Cooling Degree Days 19 15  
Month to date cooling degree days 299 250  
Year to date cooling degree days 874 698  
Since 1 June cooling degree days 676 564  
Growing Degree Days 33 (Base 50)    
Moisture  
Dew Point 73 °F    
Average Humidity 71    
Maximum Humidity 94    
Minimum Humidity 47    
Precipitation  
Precipitation T in 0.12 in 2.05 in (1945)
Month to date precipitation 3.00 2.10  
Year to date precipitation 18.92 21.84  
Snow  
Snow 0.00 in 0.00 in - ()
Month to date snowfall 0.0 0.0  
Since 1 July snowfall 0.0 0.0  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.01 in    
Wind  
Wind Speed 8 mph (SSE)    
Max Wind Speed 20 mph    
Max Gust Speed 21 mph    
Visibility 10 miles    
Events Rain , Thunderstorm    
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

Jul. 17, 2017 Rise Set
Actual Time 5:56 AM EDT 8:31 PM EDT
Civil Twilight 5:26 AM EDT 9:02 PM EDT
Nautical Twilight 4:47 AM EDT 9:40 PM EDT
Astronomical Twilight 4:04 AM EDT 10:23 PM EDT
Moon 1:03 AM EDT (7/17) 2:22 PM EDT (7/17)
Length of Visible Light 15h 36m
Length of Day
14h 34m
Last Quarter, 40% of the Moon is Illuminated
Jul 17
Last Quarter
Jul 23
New
Jul 30
First Quarter
Aug 7
Full
Aug 14
Last Quarter

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 79.0 °F - 71.1 °F 77% 30.00 in 10.0 mi South 9.2 mph - N/A   Mostly Cloudy
1:52 AM 79.0 °F - 72.0 °F 79% 29.99 in 10.0 mi SSW 5.8 mph - N/A   Mostly Cloudy
2:52 AM 77.0 °F - 72.0 °F 84% 29.99 in 10.0 mi South 4.6 mph - N/A   Mostly Cloudy
3:52 AM 77.0 °F - 73.0 °F 88% 29.98 in 10.0 mi South 8.1 mph - N/A   Scattered Clouds
4:52 AM 77.0 °F - 73.9 °F 90% 29.99 in 10.0 mi SSE 4.6 mph - N/A   Scattered Clouds
5:52 AM 75.9 °F - 73.9 °F 94% 29.99 in 10.0 mi SSE 4.6 mph - N/A   Mostly Cloudy
6:52 AM 77.0 °F - 73.9 °F 90% 30.00 in 10.0 mi SE 4.6 mph - N/A   Mostly Cloudy
7:01 AM 77.0 °F - 73.9 °F 90% 30.01 in 10.0 mi SE 4.6 mph - N/A   Mostly Cloudy
7:52 AM 78.1 °F - 73.9 °F 87% 30.02 in 10.0 mi South 4.6 mph - N/A   Mostly Cloudy
8:52 AM 79.0 °F - 73.9 °F 84% 30.03 in 10.0 mi SSW 5.8 mph - N/A   Mostly Cloudy
9:52 AM 82.0 °F 87.9 °F 73.9 °F 76% 30.02 in 10.0 mi SSE 4.6 mph - N/A   Mostly Cloudy
10:52 AM 84.9 °F 93.3 °F 75.0 °F 72% 30.02 in 10.0 mi SSW 6.9 mph - N/A   Mostly Cloudy
11:52 AM 87.1 °F 94.5 °F 73.0 °F 63% 30.01 in 10.0 mi South 9.2 mph - N/A   Mostly Cloudy
12:52 PM 87.1 °F 92.8 °F 71.1 °F 59% 30.01 in 10.0 mi South 9.2 mph - N/A   Mostly Cloudy
1:52 PM 87.1 °F 93.6 °F 72.0 °F 61% 30.00 in 10.0 mi South 11.5 mph - N/A   Mostly Cloudy
2:10 PM 88.0 °F 92.9 °F 70.0 °F 55% 30.00 in 10.0 mi South 9.2 mph - N/A Thunderstorm Thunderstorm
2:29 PM 87.1 °F 92.8 °F 71.1 °F 59% 30.00 in 10.0 mi South 9.2 mph - N/A   Mostly Cloudy
2:41 PM 87.1 °F 92.0 °F 70.0 °F 57% 30.00 in 10.0 mi SSE 10.4 mph - 0.00 in Rain , Thunderstorm Light Thunderstorms and Rain
2:52 PM 88.0 °F 93.8 °F 71.1 °F 57% 29.99 in 10.0 mi South 10.4 mph - 0.00 in Thunderstorm Thunderstorm
3:23 PM 90.0 °F 96.9 °F 72.0 °F 55% 29.98 in 10.0 mi South 10.4 mph - N/A   Mostly Cloudy
3:52 PM 89.1 °F 95.0 °F 71.1 °F 55% 29.98 in 10.0 mi SSE 9.2 mph - N/A   Mostly Cloudy
4:52 PM 90.0 °F 92.8 °F 66.9 °F 46% 29.99 in 10.0 mi South 11.5 mph - N/A   Mostly Cloudy
5:52 PM 87.1 °F 92.8 °F 71.1 °F 59% 30.00 in 10.0 mi ENE 8.1 mph - N/A Thunderstorm Thunderstorm
6:20 PM 84.9 °F 90.7 °F 72.0 °F 65% 29.99 in 10.0 mi ENE 11.5 mph - N/A   Scattered Clouds
6:52 PM 87.1 °F 93.6 °F 72.0 °F 61% 30.00 in 10.0 mi East 5.8 mph - N/A   Scattered Clouds
7:52 PM 82.9 °F 90.8 °F 75.9 °F 79% 30.01 in 10.0 mi NE 16.1 mph - N/A   Mostly Cloudy
8:10 PM 84.9 °F 92.1 °F 73.9 °F 69% 30.00 in 10.0 mi SE 9.2 mph - N/A   Mostly Cloudy
8:22 PM 84.9 °F 91.4 °F 73.0 °F 67% 30.01 in 10.0 mi SE 12.7 mph - N/A   Mostly Cloudy
8:52 PM 82.9 °F 88.8 °F 73.0 °F 72% 30.02 in 10.0 mi SSE 12.7 mph - N/A   Overcast
9:52 PM 81.0 °F 85.8 °F 73.0 °F 77% 30.05 in 10.0 mi South 8.1 mph - N/A   Mostly Cloudy
10:52 PM 80.1 °F 84.5 °F 73.9 °F 81% 30.05 in 10.0 mi SSW 10.4 mph - N/A   Mostly Cloudy
11:52 PM 80.1 °F 84.5 °F 73.9 °F 81% 30.05 in 10.0 mi SSE 4.6 mph - N/A   Mostly Cloudy