Washington, VA

11:12 PM EDT on March 22, 2017 (GMT -0400)
Ronald Reagan Washington National

Weather History for KDCA - December, 2012

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Friday, December 28, 2012

  Actual Average Record
Temperature  
Mean Temperature 41 °F 37 °F  
Max Temperature 45 °F 44 °F 75 °F (1946)
Min Temperature 36 °F 30 °F 10 °F (1914)
Degree Days  
Heating Degree Days 24 28  
Month to date heating degree days 519 700  
Since 1 July heating degree days 1230 1395  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 1975 1549  
Moisture  
Dew Point 25 °F    
Average Humidity 60    
Maximum Humidity 70    
Minimum Humidity 49    
Precipitation  
Precipitation 0.00 in 0.09 in 1.38 in (1922)
Month to date precipitation 2.85 2.80  
Year to date precipitation 32.27 39.49  
Snow  
Snow 0.00 in 0.10 in 2.00 in (1993)
Month to date snowfall 0.2 2.0  
Since 1 July snowfall 0.2 2.5  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.10 in    
Wind  
Wind Speed 6 mph (NNW)    
Max Wind Speed 15 mph    
Max Gust Speed 18 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Dec. 28, 2012 Rise Set
Actual Time 7:25 AM EST 4:54 PM EST
Civil Twilight 6:56 AM EST 5:24 PM EST
Nautical Twilight 6:22 AM EST 5:57 PM EST
Astronomical Twilight 5:50 AM EST 6:29 PM EST
Moon 5:28 PM EST (12/28) 7:19 AM EST (12/28)
Length of Visible Light 10h 28m
Length of Day
9h 28m
Full, 100% of the Moon is Illuminated
Dec 28
Full
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 32.1 °F 25.0 °F 60% 30.03 in 10.0 mi NW 8.1 mph - N/A   Scattered Clouds
1:52 AM 37.0 °F 29.8 °F 25.0 °F 62% 30.03 in 10.0 mi NNW 10.4 mph - N/A   Mostly Cloudy
2:52 AM 37.0 °F 31.6 °F 25.0 °F 62% 30.05 in 10.0 mi NNW 6.9 mph - N/A   Overcast
3:52 AM 37.0 °F 33.3 °F 25.0 °F 62% 30.08 in 10.0 mi NW 4.6 mph - N/A   Overcast
4:52 AM 37.0 °F 34.5 °F 25.0 °F 62% 30.09 in 10.0 mi NNW 3.5 mph - N/A   Overcast
5:52 AM 36.0 °F 28.0 °F 25.0 °F 64% 30.09 in 10.0 mi NW 11.5 mph - N/A   Clear
6:52 AM 36.0 °F 30.3 °F 25.0 °F 64% 30.11 in 10.0 mi NW 6.9 mph - N/A   Scattered Clouds
7:52 AM 37.0 °F 32.4 °F 24.1 °F 59% 30.13 in 10.0 mi WNW 5.8 mph - N/A   Overcast
8:52 AM 37.4 °F 29.8 °F 24.8 °F 60% 30.14 in 10.0 mi NNW 11.5 mph - N/A   Overcast
9:52 AM 39.0 °F 32.3 °F 24.1 °F 55% 30.17 in 10.0 mi NW 10.4 mph 18.4 mph N/A   Overcast
10:52 AM 41.0 °F 35.2 °F 24.1 °F 51% 30.16 in 10.0 mi NNW 9.2 mph - N/A   Overcast
11:52 AM 43.0 °F 39.5 °F 25.0 °F 49% 30.14 in 10.0 mi WNW 5.8 mph - N/A   Overcast
12:52 PM 43.0 °F 39.5 °F 24.1 °F 47% 30.11 in 10.0 mi North 5.8 mph - N/A   Overcast
1:52 PM 43.0 °F 39.5 °F 25.0 °F 49% 30.11 in 10.0 mi West 5.8 mph - N/A   Overcast
2:52 PM 43.0 °F 40.3 °F 25.0 °F 49% 30.10 in 10.0 mi Variable 4.6 mph - N/A   Overcast
3:52 PM 42.1 °F 38.4 °F 24.1 °F 49% 30.10 in 10.0 mi NW 5.8 mph - N/A   Mostly Cloudy
4:52 PM 37.9 °F 33.5 °F 25.0 °F 60% 30.09 in 10.0 mi North 5.8 mph - N/A   Mostly Cloudy
5:52 PM 37.9 °F 33.5 °F 25.0 °F 60% 30.07 in 10.0 mi North 5.8 mph - N/A   Mostly Cloudy
6:52 PM 37.9 °F 32.1 °F 26.1 °F 62% 30.10 in 10.0 mi North 8.1 mph - N/A   Overcast
7:52 PM 37.9 °F 34.4 °F 27.0 °F 65% 30.09 in 10.0 mi NE 4.6 mph - N/A   Overcast
8:52 PM 37.0 °F 32.4 °F 28.9 °F 73% 30.10 in 10.0 mi ENE 5.8 mph - N/A   Overcast
9:52 PM 37.9 °F 35.5 °F 28.9 °F 70% 30.10 in 10.0 mi East 3.5 mph - N/A   Overcast
10:52 PM 37.9 °F 35.5 °F 27.0 °F 65% 30.06 in 10.0 mi NE 3.5 mph - N/A   Overcast
11:52 PM 37.9 °F - 28.9 °F 70% 30.06 in 10.0 mi Calm Calm - N/A   Overcast