Washington, VA

7:02 AM EDT on October 19, 2019 (GMT -0400)
Ronald Reagan Washington National

Weather History for KDCA - September, 2019

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Wednesday, September 18, 2019

  Actual Average Record
Temperature  
Mean Temperature 72 °F 70 °F  
Max Temperature 80 °F 79 °F 91 °F (1927)
Min Temperature 63 °F 62 °F 45 °F (1937)
Degree Days  
Heating Degree Days 0 1  
Month to date heating degree days 0 3  
Since 1 July heating degree days 0 3  
Cooling Degree Days 7 6  
Month to date cooling degree days 229 153  
Year to date cooling degree days 1871 1464  
Growing Degree Days 22 (Base 50)    
Moisture  
Dew Point 55 °F    
Average Humidity 63    
Maximum Humidity 90    
Minimum Humidity 35    
Precipitation  
Precipitation 0.00 in 0.13 in 2.28 in (2003)
Month to date precipitation 0.11 2.15  
Year to date precipitation 30.89 28.55  
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 30.19 in    
Wind  
Wind Speed 7 mph (ENE)    
Max Wind Speed 14 mph    
Max Gust Speed 18 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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Astronomy

Sep. 18, 2019 Rise Set
Actual Time 6:52 AM EDT 7:11 PM EDT
Civil Twilight 6:25 AM EDT 7:38 PM EDT
Nautical Twilight 5:54 AM EDT 8:09 PM EDT
Astronomical Twilight 5:22 AM EDT 8:41 PM EDT
Moon 9:47 PM EDT (9/18) 10:51 AM EDT (9/18)
Length of Visible Light 13h 13m
Length of Day
12h 19m
Waning Gibbous, 82% of the Moon is Illuminated
Sep 18
Waning Gibbous
Sep 21
Last Quarter
Sep 28
New
Oct 5
First Quarter
Oct 13
Full

Hourly Weather History & Observations

Time (EDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:52 AM 68.0 °F 59.0 °F 73% 30.13 in 10.0 mi East 3.5 mph - N/A   Mostly Cloudy
1:52 AM 66.9 °F 59.0 °F 76% 30.14 in 10.0 mi East 4.6 mph - N/A   Scattered Clouds
2:52 AM 66.0 °F 59.0 °F 78% 30.14 in 10.0 mi ENE 5.8 mph - N/A   Partly Cloudy
3:52 AM 64.9 °F 59.0 °F 81% 30.14 in 10.0 mi East 5.8 mph - N/A   Clear
4:52 AM 64.0 °F 60.1 °F 87% 30.15 in 10.0 mi NE 4.6 mph - N/A   Clear
5:52 AM 63.0 °F 57.9 °F 84% 30.16 in 10.0 mi NE 5.8 mph - N/A   Partly Cloudy
6:52 AM 63.0 °F 59.0 °F 87% 30.18 in 10.0 mi NE 4.6 mph - N/A   Partly Cloudy
7:52 AM 64.9 °F 57.9 °F 78% 30.19 in 10.0 mi NE 5.8 mph - N/A   Partly Cloudy
8:52 AM 68.0 °F 57.9 °F 70% 30.20 in 10.0 mi NE 6.9 mph - N/A   Clear
9:52 AM 72.0 °F 57.9 °F 61% 30.22 in 10.0 mi NE 5.8 mph - N/A   Partly Cloudy
10:52 AM 73.9 °F 55.0 °F 52% 30.22 in 10.0 mi ENE 8.1 mph - N/A   Scattered Clouds
11:52 AM 75.0 °F 51.1 °F 43% 30.21 in 10.0 mi NE 8.1 mph - N/A   Scattered Clouds
12:52 PM 77.0 °F 52.0 °F 42% 30.21 in 10.0 mi North - - N/A   Mostly Cloudy
12:55 PM 75.9 °F 52.0 °F 43% 30.20 in 10.0 mi ENE 9.2 mph - N/A   Mostly Cloudy
1:52 PM 75.9 °F 50.0 °F 40% 30.19 in 10.0 mi NE 10.4 mph - N/A   Mostly Cloudy
2:52 PM 79.0 °F 48.9 °F 35% 30.19 in 10.0 mi ENE 8.1 mph - N/A   Scattered Clouds
3:52 PM 78.1 °F 48.9 °F 36% 30.19 in 10.0 mi East 4.6 mph - N/A   Mostly Cloudy
4:52 PM 78.1 °F 48.0 °F 35% 30.18 in 10.0 mi NNE 6.9 mph - N/A   Mostly Cloudy
5:52 PM 75.0 °F 48.9 °F 40% 30.18 in 10.0 mi ENE 10.4 mph - N/A   Mostly Cloudy
6:52 PM 73.9 °F 51.1 °F 45% 30.19 in 10.0 mi East 9.2 mph - N/A   Mostly Cloudy
7:52 PM 72.0 °F 51.1 °F 48% 30.21 in 10.0 mi East 9.2 mph - N/A   Scattered Clouds
8:52 PM 70.0 °F 52.0 °F 53% 30.22 in 10.0 mi ENE 8.1 mph - N/A   Scattered Clouds
9:52 PM 69.1 °F 55.0 °F 61% 30.24 in 10.0 mi ESE 11.5 mph - N/A   Scattered Clouds
10:52 PM 66.0 °F 55.9 °F 70% 30.27 in 10.0 mi SE 8.1 mph - N/A   Partly Cloudy
11:52 PM 64.0 °F 55.0 °F 73% 30.27 in 10.0 mi Variable 3.5 mph - N/A   Partly Cloudy