Washington, VA

8:24 AM EST on January 19, 2018 (GMT -0500)
Ronald Reagan Washington National

Weather History for KDCA - January, 2018

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Saturday, January 13, 2018

  Actual Average Record
Temperature  
Mean Temperature 42 °F 36 °F  
Max Temperature 62 °F 43 °F 75 °F (1932)
Min Temperature 21 °F 28 °F -8 °F (1912)
Degree Days  
Heating Degree Days 23 29  
Month to date heating degree days 452 377  
Since 1 July heating degree days 1793 1858  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 33 °F    
Average Humidity 72    
Maximum Humidity 100    
Minimum Humidity 43    
Precipitation  
Precipitation 0.11 in 0.09 in 1.26 in (1948)
Month to date precipitation 0.64 1.16  
Year to date precipitation 0.64 1.16  
Snow  
Snow 0.00 in 0.20 in 6.40 in (1982)
Month to date snowfall 0.8 1.8  
Since 1 July snowfall 2.7 4.6  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.82 in    
Wind  
Wind Speed 20 mph (NW)    
Max Wind Speed 36 mph    
Max Gust Speed 48 mph    
Visibility 9 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

Jan. 13, 2018 Rise Set
Actual Time 7:25 AM EST 5:08 PM EST
Civil Twilight 6:56 AM EST 5:37 PM EST
Nautical Twilight 6:23 AM EST 6:10 PM EST
Astronomical Twilight 5:51 AM EST 6:42 PM EST
Moon 4:26 AM EST (1/13) 2:42 PM EST (1/13)
Length of Visible Light 10h 41m
Length of Day
9h 42m
Waning Crescent, 10% of the Moon is Illuminated
Jan 13
Waning Crescent
Jan 16
New
Jan 24
First Quarter
Jan 31
Full
Feb 7
Last Quarter

Hourly Weather History & Observations

Time (EST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:32 AM 60.1 °F - 59.0 °F 96% 29.39 in 5.0 mi South 13.8 mph - 0.04 in Rain Light Rain
12:39 AM 60.1 °F - 60.1 °F 100% 29.38 in 5.0 mi South 15.0 mph - 0.05 in Rain Light Rain
12:52 AM 59.0 °F - 59.0 °F 100% 29.37 in 6.0 mi South 16.1 mph - 0.06 in Rain Light Rain
12:56 AM 59.0 °F - 59.0 °F 100% 29.38 in 2.5 mi South 16.1 mph - 0.00 in Rain Light Rain
12:58 AM 60.1 °F - 59.0 °F 96% 29.38 in 5.0 mi South 18.4 mph 25.3 mph 0.00 in Rain Light Rain
1:05 AM 60.1 °F - 60.1 °F 100% 29.37 in 6.0 mi South 18.4 mph 25.3 mph 0.00 in Rain Light Rain
1:19 AM 62.1 °F - 61.0 °F 96% 29.41 in 2.0 mi West 25.3 mph 35.7 mph 0.00 in Rain Light Rain
1:23 AM 59.0 °F - 57.0 °F 93% 29.43 in 2.0 mi West 28.8 mph 36.8 mph 0.03 in Rain Heavy Rain
1:27 AM 57.0 °F - 55.0 °F 93% 29.44 in 4.0 mi West 26.5 mph 36.8 mph 0.04 in Rain Rain
1:31 AM 55.9 °F - 54.0 °F 93% 29.47 in 5.0 mi West 34.5 mph 46.0 mph 0.04 in Rain Light Rain
1:33 AM 55.0 °F - 53.1 °F 93% 29.43 in 5.0 mi WNW 35.7 mph 48.3 mph 0.04 in Rain Light Rain
1:45 AM 53.1 °F - 50.0 °F 89% 29.39 in 9.0 mi NW 27.6 mph 35.7 mph 0.06 in Rain Light Rain
1:52 AM 53.1 °F - 48.9 °F 86% 29.39 in 10.0 mi NW 25.3 mph 34.5 mph 0.06 in Rain Light Rain
2:31 AM 51.1 °F - 46.9 °F 86% 29.46 in 10.0 mi West 10.4 mph 19.6 mph 0.00 in   Mostly Cloudy
2:37 AM 51.1 °F - 46.9 °F 86% 29.47 in 10.0 mi West 15.0 mph 18.4 mph 0.00 in   Mostly Cloudy
2:52 AM 50.0 °F - 46.0 °F 86% 29.49 in 10.0 mi Variable 5.8 mph - 0.00 in   Mostly Cloudy
3:02 AM 50.0 °F - 46.0 °F 86% 29.50 in 10.0 mi WSW 10.4 mph - N/A   Mostly Cloudy
3:24 AM 48.9 °F - 44.1 °F 83% 29.52 in 10.0 mi WNW 10.4 mph 19.6 mph N/A   Overcast
3:52 AM 48.0 °F - 43.0 °F 83% 29.56 in 10.0 mi WNW 15.0 mph 24.2 mph N/A   Overcast
4:33 AM 46.0 °F 39.0 °F 41.0 °F 83% 29.59 in 10.0 mi NW 17.3 mph 23.0 mph 0.00 in Rain Light Rain
4:52 AM 45.0 °F 37.6 °F 39.9 °F 82% 29.61 in 10.0 mi NW 17.3 mph 29.9 mph 0.00 in Rain Light Rain
5:52 AM 44.1 °F 35.2 °F 37.0 °F 76% 29.70 in 10.0 mi NW 23.0 mph 32.2 mph 0.00 in   Overcast
6:10 AM 43.0 °F 32.4 °F 35.1 °F 74% 29.74 in 10.0 mi NNW 31.1 mph 43.7 mph N/A   Overcast
6:36 AM 39.9 °F 30.8 °F 30.9 °F 70% 29.78 in 10.0 mi NW 18.4 mph 34.5 mph 0.00 in   Overcast
6:52 AM 39.0 °F 29.6 °F 30.0 °F 70% 29.81 in 10.0 mi NW 18.4 mph 32.2 mph 0.00 in   Overcast
6:56 AM 37.9 °F 28.2 °F 28.9 °F 70% 29.81 in 10.0 mi NW 18.4 mph 32.2 mph N/A   Overcast
7:00 AM 37.0 °F 25.6 °F 28.0 °F 70% 29.83 in 10.0 mi NW 24.2 mph 35.7 mph N/A   Overcast
7:12 AM 36.0 °F 24.2 °F 27.0 °F 70% 29.84 in 10.0 mi NW 24.2 mph 38.0 mph N/A   Overcast
7:28 AM 35.1 °F 22.7 °F 26.1 °F 70% 29.87 in 10.0 mi NNW 25.3 mph 35.7 mph N/A   Overcast
7:52 AM 34.0 °F 21.8 °F 25.0 °F 70% 29.89 in 10.0 mi NW 23.0 mph 33.4 mph N/A   Overcast
8:52 AM 33.1 °F 20.3 °F 23.0 °F 66% 29.96 in 10.0 mi NNW 24.2 mph 31.1 mph N/A   Overcast
9:52 AM 34.0 °F 22.1 °F 21.9 °F 61% 30.01 in 10.0 mi NNW 21.9 mph 28.8 mph N/A   Mostly Cloudy
10:52 AM 34.0 °F 21.8 °F 21.0 °F 59% 30.03 in 10.0 mi NNW 23.0 mph 33.4 mph N/A   Mostly Cloudy
11:52 AM 34.0 °F 23.0 °F 19.0 °F 54% 30.06 in 10.0 mi NNW 18.4 mph 31.1 mph N/A   Mostly Cloudy
12:52 PM 36.0 °F 25.6 °F 19.0 °F 50% 30.08 in 10.0 mi NW 18.4 mph 26.5 mph N/A   Scattered Clouds
1:52 PM 36.0 °F 24.2 °F 18.0 °F 48% 30.11 in 10.0 mi NNW 24.2 mph 34.5 mph N/A   Partly Cloudy
2:52 PM 35.1 °F 23.8 °F 16.0 °F 46% 30.16 in 10.0 mi NW 20.7 mph 26.5 mph N/A   Partly Cloudy
3:52 PM 34.0 °F 24.2 °F 15.1 °F 46% 30.21 in 10.0 mi NW 15.0 mph 28.8 mph N/A   Partly Cloudy
4:52 PM 30.9 °F 17.2 °F 10.9 °F 43% 30.26 in 10.0 mi NNW 25.3 mph 32.2 mph N/A   Scattered Clouds
5:52 PM 28.9 °F 16.1 °F 10.0 °F 45% 30.30 in 10.0 mi NNW 19.6 mph 28.8 mph N/A   Partly Cloudy
6:52 PM 28.0 °F 16.5 °F 10.0 °F 47% 30.33 in 10.0 mi NNW 15.0 mph - N/A   Clear
7:52 PM 26.1 °F 12.7 °F 9.0 °F 49% 30.37 in 10.0 mi NW 18.4 mph 33.4 mph N/A   Clear
8:52 PM 25.0 °F 10.9 °F 7.0 °F 46% 30.43 in 10.0 mi NNW 19.6 mph 31.1 mph N/A   Clear
9:52 PM 24.1 °F 9.8 °F 6.1 °F 46% 30.47 in 10.0 mi NW 19.6 mph - N/A   Clear
10:52 PM 21.9 °F 5.8 °F 3.9 °F 46% 30.51 in 10.0 mi NNW 23.0 mph 27.6 mph N/A   Clear
11:52 PM 21.9 °F 6.9 °F 3.0 °F 44% 30.52 in 10.0 mi NNW 19.6 mph 25.3 mph N/A   Partly Cloudy