Washington, VA

9:09 AM EDT on October 21, 2019 (GMT -0400)
Ronald Reagan Washington National

Weather History for KDCA - September, 2019

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Thursday, September 19, 2019

  Actual Average Record
Temperature  
Mean Temperature 68 °F 70 °F  
Max Temperature 76 °F 78 °F 96 °F (1895)
Min Temperature 59 °F 61 °F 44 °F (1916)
Degree Days  
Heating Degree Days 0 1  
Month to date heating degree days 0 4  
Since 1 July heating degree days 0 4  
Cooling Degree Days 3 6  
Month to date cooling degree days 232 159  
Year to date cooling degree days 1874 1470  
Growing Degree Days 17 (Base 50)    
Moisture  
Dew Point 47 °F    
Average Humidity 50    
Maximum Humidity 78    
Minimum Humidity 21    
Precipitation  
Precipitation 0.00 in 0.14 in 1.23 in (1875)
Month to date precipitation 0.11 2.29  
Year to date precipitation 30.89 28.69  
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 30.31 in    
Wind  
Wind Speed 6 mph (ENE)    
Max Wind Speed 13 mph    
Max Gust Speed 15 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. 19, 2019 Rise Set
Actual Time 6:52 AM EDT 7:10 PM EDT
Civil Twilight 6:26 AM EDT 7:36 PM EDT
Nautical Twilight 5:55 AM EDT 8:08 PM EDT
Astronomical Twilight 5:23 AM EDT 8:39 PM EDT
Moon 10:21 PM EDT (9/19) 11:51 AM EDT (9/19)
Length of Visible Light 13h 10m
Length of Day
12h 17m
Waning Gibbous, 74% of the Moon is Illuminated
Sep 19
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 63.0 °F 55.0 °F 75% 30.28 in 10.0 mi East 4.6 mph - N/A   Partly Cloudy
1:52 AM 62.1 °F 54.0 °F 75% 30.29 in 10.0 mi ENE 5.8 mph - N/A   Clear
2:52 AM 62.1 °F 55.0 °F 78% 30.28 in 10.0 mi ENE 5.8 mph - N/A   Clear
3:52 AM 61.0 °F 54.0 °F 78% 30.30 in 10.0 mi ENE 5.8 mph - N/A   Clear
4:52 AM 60.1 °F 53.1 °F 78% 30.31 in 10.0 mi North 5.8 mph - N/A   Clear
5:52 AM 60.1 °F 52.0 °F 75% 30.32 in 10.0 mi Variable 5.8 mph - N/A   Clear
6:52 AM 60.1 °F 51.1 °F 72% 30.32 in 10.0 mi NE 5.8 mph - N/A   Scattered Clouds
7:52 AM 61.0 °F 52.0 °F 72% 30.33 in 10.0 mi ENE 8.1 mph - N/A   Mostly Cloudy
8:52 AM 63.0 °F 50.0 °F 63% 30.35 in 10.0 mi East 9.2 mph - N/A   Mostly Cloudy
9:52 AM 64.9 °F 48.0 °F 54% 30.36 in 10.0 mi NE 5.8 mph - N/A   Mostly Cloudy
10:52 AM 66.9 °F 48.0 °F 51% 30.37 in 10.0 mi East 9.2 mph - N/A   Mostly Cloudy
11:52 AM 70.0 °F 45.0 °F 41% 30.36 in 10.0 mi NNE 6.9 mph - N/A   Mostly Cloudy
12:52 PM 71.1 °F 43.0 °F 36% 30.35 in 10.0 mi NNE 6.9 mph - N/A   Mostly Cloudy
1:52 PM 73.9 °F 37.0 °F 26% 30.33 in 10.0 mi NNE 9.2 mph - N/A   Mostly Cloudy
2:52 PM 73.9 °F 34.0 °F 23% 30.31 in 10.0 mi Variable 3.5 mph - N/A   Scattered Clouds
3:52 PM 75.0 °F 34.0 °F 22% 30.29 in 10.0 mi NE 3.5 mph - N/A   Partly Cloudy
4:52 PM 75.0 °F 34.0 °F 22% 30.29 in 10.0 mi East 6.9 mph - N/A   Partly Cloudy
6:52 PM 70.0 °F 42.1 °F 36% 30.29 in 10.0 mi East 9.2 mph - N/A   Clear
6:58 PM 70.0 °F 42.1 °F 36% 30.30 in 10.0 mi East 10.4 mph - N/A   Partly Cloudy
7:52 PM 68.0 °F 48.0 °F 49% 30.30 in 10.0 mi East 6.9 mph - N/A   Partly Cloudy
8:52 PM 66.0 °F 48.0 °F 52% 30.30 in 10.0 mi ESE 8.1 mph - N/A   Partly Cloudy
9:52 PM 63.0 °F 48.9 °F 60% 30.30 in 10.0 mi SE 3.5 mph - N/A   Partly Cloudy
10:52 PM 63.0 °F 50.0 °F 63% 30.31 in 10.0 mi Calm Calm - N/A   Partly Cloudy
11:52 PM 63.0 °F 51.1 °F 65% 30.30 in 10.0 mi Calm Calm - N/A   Partly Cloudy