Arlington, DC

5:18 PM EST on February 14, 2016 (GMT -0500)
Ronald Reagan Washington National

Weather History for KDCA - December, 2012

Change the Weather History Date:

Saturday, December 29, 2012

  Actual Average Record
Temperature  
Mean Temperature 39 °F 37 °F  
Max Temperature 44 °F 44 °F 75 °F (1984)
Min Temperature 34 °F 30 °F 2 °F (1917)
Degree Days  
Heating Degree Days 26 28  
Month to date heating degree days 545 728  
Since 1 July heating degree days 1256 1423  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 1975 1549  
Moisture  
Dew Point 32 °F    
Average Humidity 76    
Maximum Humidity 96    
Minimum Humidity 55    
Precipitation  
Precipitation 0.18 in 0.09 in 2.57 in (1901)
Month to date precipitation 3.03 2.89  
Year to date precipitation 32.45 39.58  
Snow  
Snow T in 0.10 in 5.00 in (1935)
Month to date snowfall 0.2 2.1  
Since 1 July snowfall 0.2 2.6  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.77 in    
Wind  
Wind Speed 6 mph (SSW)    
Max Wind Speed 28 mph    
Max Gust Speed 39 mph    
Visibility 6 miles    
Events Rain , Snow    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

Search for Another Location

Airport or City:

Trip Planner

Search our weather history database for the weather conditions in past years. The results will help you decide how hot, cold, wet, or windy it might be!

Date:

Astronomy

Dec. 29, 2012 Rise Set
Actual Time 7:26 AM EST 4:54 PM EST
Civil Twilight 6:56 AM EST 5:24 PM EST
Nautical Twilight 6:22 AM EST 5:58 PM EST
Astronomical Twilight 5:50 AM EST 6:30 PM EST
Moon 6:24 PM EST (12/29) 7:59 AM EST (12/29)
Length of Visible Light 10h 28m
Length of Day
9h 28m
Full, 98% of the Moon is Illuminated
Dec 29
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 37.0 °F 34.5 °F 30.0 °F 76% 30.04 in 10.0 mi East 3.5 mph - N/A   Overcast
1:52 AM 37.9 °F - 28.9 °F 70% 30.03 in 10.0 mi Calm Calm - N/A   Overcast
2:52 AM 37.9 °F - 30.9 °F 76% 30.02 in 10.0 mi Calm Calm - N/A   Overcast
3:52 AM 37.9 °F 35.5 °F 30.9 °F 76% 29.99 in 10.0 mi East 3.5 mph - N/A   Overcast
4:52 AM 37.9 °F 35.5 °F 30.0 °F 73% 29.94 in 10.0 mi SSE 3.5 mph - N/A   Overcast
5:52 AM 39.0 °F 34.8 °F 30.9 °F 73% 29.88 in 10.0 mi SSE 5.8 mph - N/A   Overcast
6:27 AM 39.2 °F 35.9 °F 30.2 °F 70% 29.87 in 10.0 mi SSE 4.6 mph - N/A   Overcast
6:52 AM 39.0 °F 34.8 °F 30.9 °F 73% 29.83 in 10.0 mi ESE 5.8 mph - N/A   Overcast
7:52 AM 39.0 °F 34.0 °F 30.9 °F 73% 29.80 in 10.0 mi SE 6.9 mph - N/A   Overcast
8:29 AM 39.2 °F - 33.8 °F 81% 29.79 in 10.0 mi Calm Calm - N/A   Overcast
8:39 AM 39.2 °F - 33.8 °F 81% 29.79 in 10.0 mi Calm Calm - N/A   Overcast
8:47 AM 39.2 °F - 33.8 °F 81% 29.79 in 10.0 mi Calm Calm - N/A   Overcast
8:52 AM 39.9 °F - 34.0 °F 79% 29.80 in 10.0 mi Calm Calm - N/A   Overcast
8:54 AM 39.2 °F - 33.8 °F 81% 29.79 in 10.0 mi Calm Calm - N/A   Overcast
9:39 AM 39.2 °F 35.0 °F 33.8 °F 81% 29.80 in 3.0 mi SSW 5.8 mph - 0.01 in Rain Light Rain
9:41 AM 39.2 °F 35.0 °F 33.8 °F 81% 29.80 in 2.5 mi SSW 5.8 mph - 0.02 in Rain Rain
9:43 AM 37.4 °F 32.8 °F 33.8 °F 87% 29.80 in 3.0 mi WSW 5.8 mph - 0.02 in Rain Rain
9:52 AM 37.0 °F 32.4 °F 33.1 °F 86% 29.80 in 3.0 mi SW 5.8 mph - 0.04 in Rain , Snow Rain
9:54 AM 37.4 °F 32.8 °F 33.8 °F 87% 29.80 in 2.5 mi SW 5.8 mph - 0.01 in Rain , Snow Rain
10:02 AM 35.6 °F 31.7 °F 33.8 °F 93% 29.80 in 3.0 mi SW 4.6 mph - 0.02 in Rain , Snow Light Rain
10:10 AM 35.6 °F 31.7 °F 33.8 °F 93% 29.79 in 2.5 mi SSW 4.6 mph - 0.03 in Rain , Snow Light Rain
10:16 AM 35.6 °F 30.7 °F 32.0 °F 87% 29.79 in 1.8 mi SSW 5.8 mph - 0.05 in Rain , Snow Light Snow
10:20 AM 35.6 °F 31.7 °F 32.0 °F 87% 29.78 in 2.0 mi SSW 4.6 mph - 0.05 in Rain , Snow Light Snow
10:26 AM 35.6 °F 31.7 °F 32.0 °F 87% 29.78 in 2.0 mi SSW 4.6 mph - 0.06 in Rain , Snow Light Snow
10:44 AM 33.8 °F 30.8 °F 32.0 °F 93% 29.76 in 2.0 mi South 3.5 mph - 0.08 in Snow Light Snow
10:52 AM 35.1 °F 32.2 °F 32.0 °F 89% 29.76 in 2.0 mi South 3.5 mph - 0.09 in Snow Light Snow
10:54 AM 35.6 °F 32.8 °F 32.0 °F 87% 29.76 in 2.0 mi South 3.5 mph - 0.00 in Snow Light Snow
11:02 AM 33.8 °F 30.8 °F 32.0 °F 93% 29.75 in 1.8 mi South 3.5 mph - 0.01 in Snow Light Snow
11:04 AM 33.8 °F 30.8 °F 32.0 °F 93% 29.75 in 2.0 mi South 3.5 mph - 0.01 in Snow Light Snow
11:45 AM 33.8 °F - 32.0 °F 93% 29.71 in 1.5 mi Calm Calm - 0.03 in Snow Light Snow
11:48 AM 33.8 °F - 32.0 °F 93% 29.71 in 1.2 mi Calm Calm - 0.03 in Snow Light Snow
11:52 AM 34.0 °F - 32.0 °F 92% 29.70 in 1.0 mi Calm Calm - 0.04 in Snow Light Snow
11:56 AM 33.8 °F - 32.0 °F 93% 29.70 in 1.0 mi Calm Calm - 0.01 in Rain , Snow Light Snow
12:01 PM 33.8 °F - 32.0 °F 93% 29.70 in 1.5 mi Calm Calm - 0.01 in Rain , Snow Light Rain
12:05 PM 33.8 °F - 32.0 °F 93% 29.69 in 2.0 mi Calm Calm - 0.01 in Rain , Snow Light Rain
12:20 PM 33.8 °F - 33.8 °F 100% 29.68 in 3.0 mi Calm Calm - 0.01 in Rain Light Rain
12:52 PM 35.1 °F - 33.1 °F 92% 29.65 in 4.0 mi Calm Calm - 0.01 in Rain Light Rain
1:39 PM 35.6 °F 32.8 °F 33.8 °F 93% 29.62 in 4.0 mi ENE 3.5 mph - 0.00 in   Overcast
1:52 PM 37.0 °F 34.5 °F 34.0 °F 89% 29.62 in 5.0 mi NE 3.5 mph - 0.00 in   Overcast
2:00 PM 37.4 °F - 33.8 °F 87% 29.61 in 5.0 mi Calm Calm - N/A   Overcast
2:52 PM 37.9 °F - 34.0 °F 86% 29.59 in 6.0 mi Calm Calm - N/A   Mostly Cloudy
3:52 PM 42.1 °F 39.2 °F 35.1 °F 76% 29.60 in 9.0 mi WNW 4.6 mph - N/A   Scattered Clouds
4:52 PM 39.9 °F 36.7 °F 34.0 °F 79% 29.61 in 10.0 mi WSW 4.6 mph - N/A   Scattered Clouds
5:52 PM 42.1 °F 37.1 °F 33.1 °F 70% 29.62 in 10.0 mi West 8.1 mph - N/A   Mostly Cloudy
6:52 PM 43.0 °F 37.2 °F 30.0 °F 60% 29.67 in 10.0 mi WNW 10.4 mph 31.1 mph N/A   Overcast
7:52 PM 42.8 °F 33.5 °F 28.4 °F 57% 29.70 in 10.0 mi NW 23.0 mph 29.9 mph N/A   Overcast
8:52 PM 41.0 °F 31.6 °F 27.0 °F 57% 29.74 in 10.0 mi NW 20.7 mph 39.1 mph N/A   Overcast
9:52 PM 39.9 °F 30.5 °F 26.1 °F 58% 29.78 in 10.0 mi NW 19.6 mph 33.4 mph N/A   Overcast
10:52 PM 39.9 °F 36.7 °F 26.1 °F 58% 29.81 in 10.0 mi Variable 4.6 mph 16.1 mph N/A   Overcast
11:52 PM 39.9 °F 35.1 °F 26.1 °F 58% 29.83 in 10.0 mi NW 6.9 mph - N/A   Overcast