Dulles Airport, VA

9:56 PM EST on November 20, 2017 (GMT -0500)
Washington Dulles International

Weather History for KIAD - April, 2014

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Saturday, April 19, 2014

  Actual Average Record
Temperature  
Mean Temperature 53 °F 56 °F  
Max Temperature 67 °F 68 °F 91 °F (2002)
Min Temperature 38 °F 43 °F 27 °F (1990)
Degree Days  
Heating Degree Days 12 10  
Month to date heating degree days 256 243  
Since 1 July heating degree days 4936 4480  
Cooling Degree Days 0 1  
Month to date cooling degree days 11 7  
Year to date cooling degree days 11 10  
Growing Degree Days 2 (Base 50)    
Moisture  
Dew Point 33 °F    
Average Humidity 59    
Maximum Humidity 92    
Minimum Humidity 25    
Precipitation  
Precipitation 0.00 in 0.11 in 1.20 in (2013)
Month to date precipitation 1.68 2.20  
Year to date precipitation 12.28 11.00  
Snow  
Snow 0.00 in 0.00 in 0.00 in (2002)
Month to date snowfall T 0.3  
Since 1 July snowfall 52.8 22.0  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.27 in    
Wind  
Wind Speed 5 mph (NNE)    
Max Wind Speed 16 mph    
Max Gust Speed 20 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. 19, 2014 Rise Set
Actual Time 6:27 AM EDT 7:50 PM EDT
Civil Twilight 5:59 AM EDT 8:18 PM EDT
Nautical Twilight 5:26 AM EDT 8:52 PM EDT
Astronomical Twilight 4:51 AM EDT 9:27 PM EDT
Moon No Moon Rise 9:45 AM EDT (4/19)
Length of Visible Light 14h 18m
Length of Day
13h 23m
Waning Gibbous, 79% of the Moon is Illuminated
Apr 19
Waning Gibbous
Apr 22
Last Quarter
Apr 29
New
May 6
First Quarter
May 14
Full

Hourly Weather History & Observations

Time (EDT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:52 AM 44.1 °F 42.5 °F 35.1 °F 71% 30.30 in 10.0 mi South 3.5 mph - N/A   Overcast
1:52 AM 43.0 °F - 36.0 °F 76% 30.27 in 10.0 mi Calm Calm - N/A   Overcast
2:52 AM 41.0 °F - 36.0 °F 82% 30.25 in 10.0 mi Calm Calm - N/A   Overcast
3:52 AM 39.9 °F - 37.9 °F 93% 30.23 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
4:52 AM 39.2 °F - 35.6 °F 87% 30.23 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
5:52 AM 39.0 °F - 36.0 °F 89% 30.26 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
6:52 AM 37.9 °F - 36.0 °F 93% 30.27 in 10.0 mi Calm Calm - N/A   Overcast
7:52 AM 43.0 °F 40.3 °F 37.9 °F 82% 30.30 in 10.0 mi Variable 4.6 mph - N/A   Mostly Cloudy
8:52 AM 46.9 °F - 37.9 °F 71% 30.31 in 10.0 mi North 5.8 mph - N/A   Mostly Cloudy
9:52 AM 51.1 °F - 37.9 °F 61% 30.32 in 10.0 mi North 3.5 mph - N/A   Overcast
10:52 AM 55.9 °F - 37.9 °F 51% 30.32 in 10.0 mi NE 8.1 mph - N/A   Mostly Cloudy
11:52 AM 61.0 °F - 36.0 °F 39% 30.28 in 10.0 mi NE 10.4 mph 16.1 mph N/A   Mostly Cloudy
12:52 PM 63.0 °F - 34.0 °F 34% 30.27 in 10.0 mi North 11.5 mph 19.6 mph 0.01 in   Mostly Cloudy
1:52 PM 64.9 °F - 34.0 °F 32% 30.26 in 10.0 mi Variable 6.9 mph 16.1 mph N/A   Mostly Cloudy
2:52 PM 66.0 °F - 33.1 °F 29% 30.25 in 10.0 mi Variable 3.5 mph 16.1 mph N/A   Mostly Cloudy
3:52 PM 66.0 °F - 34.0 °F 30% 30.23 in 10.0 mi NNE 5.8 mph - N/A   Mostly Cloudy
4:52 PM 66.2 °F - 33.8 °F 30% 30.23 in 10.0 mi NE 10.4 mph - N/A   Overcast
5:52 PM 64.9 °F - 32.0 °F 29% 30.24 in 10.0 mi NNE 13.8 mph - N/A   Overcast
6:52 PM 63.0 °F - 27.0 °F 26% 30.25 in 10.0 mi NNE 10.4 mph - N/A   Overcast
7:52 PM 60.1 °F - 24.1 °F 25% 30.26 in 10.0 mi NNE 11.5 mph - N/A   Overcast
8:52 PM 57.0 °F - 26.1 °F 30% 30.27 in 10.0 mi NNE 5.8 mph - N/A   Mostly Cloudy
9:52 PM 55.0 °F - 26.1 °F 33% 30.29 in 10.0 mi NNE 8.1 mph - N/A   Mostly Cloudy
10:52 PM 54.0 °F - 28.0 °F 37% 30.30 in 10.0 mi NNE 4.6 mph - N/A   Scattered Clouds
11:52 PM 48.0 °F - 30.0 °F 50% 30.31 in 10.0 mi Calm Calm - N/A   Mostly Cloudy