Arlington, DC

3:09 PM EDT on August 30, 2016 (GMT -0400)
Ronald Reagan Washington National

Weather History for KDCA - January, 2013

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Tuesday, January 1, 2013

  Actual Average Record
Temperature  
Mean Temperature 42 °F 36 °F  
Max Temperature 45 °F 44 °F 69 °F (2005)
Min Temperature 38 °F 29 °F -14 °F (1881)
Degree Days  
Heating Degree Days 23 29  
Month to date heating degree days 23 29  
Since 1 July heating degree days 1337 1510  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 28 °F    
Average Humidity 58    
Maximum Humidity 70    
Minimum Humidity 45    
Precipitation  
Precipitation 0.00 in 0.09 in 1.52 in (2003)
Month to date precipitation 0.00 0.09  
Year to date precipitation 0.00 0.09  
Snow  
Snow 0.00 in 0.10 in 4.50 in (1899)
Month to date snowfall 0.0 0.1  
Since 1 July snowfall 0.2 2.9  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.99 in    
Wind  
Wind Speed 6 mph (NW)    
Max Wind Speed 15 mph    
Max Gust Speed 17 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

Jan. 01, 2013 Rise Set
Actual Time 7:26 AM EST 4:57 PM EST
Civil Twilight 6:56 AM EST 5:27 PM EST
Nautical Twilight 6:23 AM EST 6:00 PM EST
Astronomical Twilight 5:51 AM EST 6:32 PM EST
Moon 9:23 PM EST (1/1) 9:40 AM EST (1/1)
Length of Visible Light 10h 30m
Length of Day
9h 30m
Waning Gibbous, 83% of the Moon is Illuminated
Jan 1
Waning Gibbous
Jan 4
Last Quarter
Jan 11
New
Jan 18
First Quarter
Jan 26
Full

Hourly Weather History & Observations

Time (EST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:52 AM 37.9 °F 32.7 °F 28.0 °F 68% 30.01 in 10.0 mi SSW 6.9 mph - N/A   Overcast
1:52 AM 39.9 °F 35.1 °F 26.1 °F 58% 30.00 in 10.0 mi South 6.9 mph - N/A   Mostly Cloudy
2:52 AM 39.9 °F 37.8 °F 26.1 °F 58% 30.00 in 10.0 mi SSW 3.5 mph - N/A   Overcast
3:52 AM 39.0 °F 34.0 °F 27.0 °F 62% 30.00 in 10.0 mi SSW 6.9 mph - N/A   Overcast
4:52 AM 39.9 °F - 25.0 °F 55% 29.99 in 10.0 mi Calm Calm - N/A   Overcast
5:52 AM 39.9 °F - 27.0 °F 60% 29.99 in 10.0 mi Calm Calm - N/A   Overcast
6:52 AM 39.0 °F - 28.9 °F 67% 30.00 in 10.0 mi Calm Calm - N/A   Overcast
7:52 AM 39.0 °F 35.7 °F 30.9 °F 73% 29.99 in 10.0 mi South 4.6 mph - N/A   Overcast
8:17 AM 39.2 °F 35.9 °F 28.4 °F 65% 29.99 in 10.0 mi South 4.6 mph - N/A   Overcast
8:52 AM 41.0 °F - 28.0 °F 60% 29.99 in 10.0 mi Calm Calm - N/A   Overcast
9:52 AM 44.6 °F - 24.8 °F 46% 30.00 in 10.0 mi Calm Calm - N/A   Overcast
10:52 AM 44.1 °F 41.5 °F 26.1 °F 49% 30.00 in 10.0 mi North 4.6 mph - N/A   Overcast
11:52 AM 44.1 °F 40.1 °F 27.0 °F 51% 29.99 in 10.0 mi WNW 6.9 mph - N/A   Overcast
12:52 PM 45.0 °F 41.2 °F 28.0 °F 52% 29.95 in 10.0 mi NW 6.9 mph - N/A   Overcast
1:52 PM 45.0 °F 41.2 °F 28.0 °F 52% 29.92 in 10.0 mi NNW 6.9 mph - N/A   Overcast
2:52 PM 45.0 °F 40.6 °F 28.0 °F 52% 29.94 in 10.0 mi NNW 8.1 mph - N/A   Overcast
3:52 PM 45.0 °F 41.8 °F 28.0 °F 52% 29.94 in 10.0 mi NNW 5.8 mph - N/A   Overcast
4:52 PM 44.1 °F 41.5 °F 28.0 °F 53% 29.97 in 10.0 mi NNW 4.6 mph - N/A   Overcast
5:52 PM 45.0 °F 40.6 °F 28.0 °F 52% 29.97 in 10.0 mi NW 8.1 mph - N/A   Overcast
6:52 PM 43.0 °F 36.4 °F 28.0 °F 56% 29.99 in 10.0 mi North 12.7 mph - N/A   Overcast
7:52 PM 42.1 °F 35.7 °F 28.0 °F 58% 30.00 in 10.0 mi NNW 11.5 mph - N/A   Overcast
8:52 PM 42.1 °F 34.9 °F 28.0 °F 58% 30.00 in 10.0 mi NNW 13.8 mph - N/A   Overcast
9:52 PM 42.1 °F 35.7 °F 28.0 °F 58% 30.02 in 10.0 mi NNW 11.5 mph - N/A   Overcast
10:52 PM 41.0 °F 34.3 °F 28.0 °F 60% 30.02 in 10.0 mi North 11.5 mph - N/A   Overcast
11:52 PM 39.9 °F 36.7 °F 28.0 °F 63% 30.02 in 10.0 mi North 4.6 mph - N/A   Overcast