History for Washington, DC

Sunday, December 30, 2012 — View Current Conditions
Sunday, December 30, 2012
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Daily Weekly Monthly Custom
  Actual Average Record
Temperature
Mean Temperature 37 °F 37 °F  
Max Temperature 42 °F 44 °F 70 °F (1990)
Min Temperature 32 °F 30 °F -7 °F (1880)
Degree Days
Heating Degree Days 28 28  
Month to date heating degree days 573 756  
Since 1 July heating degree days 1284 1451  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 1975 1549  
Moisture
Dew Point 20 °F    
Average Humidity 47    
Maximum Humidity 59    
Minimum Humidity 34    
Precipitation
Precipitation 0.00 in 0.08 in 1.81 in (1877)
Month to date precipitation 3.03 2.97  
Year to date precipitation 32.45 39.66  
Snow
Snow 0.00 in 0.10 in 1.30 in (1935)
Month to date snowfall 0.2 2.2  
Since 1 July snowfall 0.2 2.7  
Snow Depth 0.00 in    
Sea Level Pressure
Sea Level Pressure 30.15 in    
Wind
Wind Speed 15 mph (NW)    
Max Wind Speed 36 mph    
Max Gust Speed 49 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary
Daily Graph
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Local Photos
Boordy Vineyards
Boordy at Sunrise
Boordy Sunrise
Boordy Vineyards at Sunrise
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Astronomy
May. 25, 2013 Rise Set
Actual Time 7:26 AM EST 4:55 PM EST
Civil Twilight 6:56 AM EST 5:25 PM EST
Nautical Twilight 6:23 AM EST 5:58 PM EST
Astronomical Twilight 5:50 AM EST 6:31 PM EST
Moon 7:23 PM EST (12/30) 8:35 AM EST (12/30)
Length Of Visible Light 10h 29m
Length of Day
9h 29m
Waning Gibbous, 95% of the Moon is Illuminated
Dec 30
Waning Gibbous
Jan 4
Last Quarter
Jan 11
New
Jan 18
First Quarter
Jan 26
Full
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Hourly Observations
Time (EST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:52 AM 39.9 °F 31.1 °F 24.1 °F 53% 29.85 in 10.0 mi NW 17.3 mph 24.2 mph N/A   Overcast
1:52 AM 39.9 °F 32.9 °F 25.0 °F 55% 29.88 in 10.0 mi NW 11.5 mph - N/A   Overcast
2:52 AM 39.9 °F 31.1 °F 24.1 °F 53% 29.91 in 10.0 mi NW 17.3 mph 25.3 mph N/A   Overcast
3:52 AM 39.0 °F 32.8 °F 24.1 °F 55% 29.94 in 10.0 mi NW 9.2 mph - N/A   Overcast
4:52 AM 39.0 °F 31.4 °F 21.9 °F 50% 29.96 in 10.0 mi WNW 12.7 mph 31.1 mph N/A   Overcast
5:52 AM 37.9 °F 28.5 °F 21.0 °F 51% 29.99 in 10.0 mi WNW 17.3 mph 26.5 mph N/A   Overcast
6:52 AM 37.9 °F 29.2 °F 23.0 °F 55% 30.04 in 10.0 mi WNW 15.0 mph 19.6 mph N/A   Mostly Cloudy
7:52 AM 37.9 °F 27.9 °F 21.0 °F 51% 30.09 in 10.0 mi WNW 19.6 mph 27.6 mph N/A   Mostly Cloudy
8:52 AM 37.9 °F 28.9 °F 21.0 °F 51% 30.12 in 10.0 mi NW 16.1 mph 33.4 mph N/A   Mostly Cloudy
9:52 AM 39.0 °F 28.3 °F 18.0 °F 43% 30.15 in 10.0 mi NW 24.2 mph 36.8 mph N/A   Scattered Clouds
10:52 AM 39.0 °F 29.9 °F 17.1 °F 41% 30.18 in 10.0 mi NW 17.3 mph 36.8 mph N/A   Mostly Cloudy
11:52 AM 41.0 °F 30.9 °F 16.0 °F 36% 30.17 in 10.0 mi NW 24.2 mph 49.5 mph N/A   Partly Cloudy
12:52 PM 42.1 °F 31.7 °F 18.0 °F 38% 30.17 in 10.0 mi NW 27.6 mph 40.3 mph N/A   Partly Cloudy
1:52 PM 42.1 °F 33.3 °F 17.1 °F 37% 30.18 in 10.0 mi NNW 19.6 mph 31.1 mph N/A   Scattered Clouds
2:52 PM 41.0 °F 33.5 °F 17.1 °F 38% 30.22 in 10.0 mi NW 13.8 mph 27.6 mph N/A   Scattered Clouds
3:52 PM 41.0 °F 32.5 °F 17.1 °F 38% 30.25 in 10.0 mi NW 17.3 mph 33.4 mph N/A   Scattered Clouds
4:52 PM 39.0 °F 31.0 °F 17.1 °F 41% 30.28 in 10.0 mi NW 13.8 mph 20.7 mph N/A   Scattered Clouds
5:52 PM 37.9 °F 30.0 °F 18.0 °F 45% 30.32 in 10.0 mi WNW 12.7 mph 20.7 mph N/A   Mostly Cloudy
6:52 PM 37.0 °F 31.0 °F 17.1 °F 44% 30.31 in 10.0 mi NW 8.1 mph - N/A   Partly Cloudy
7:52 PM 36.0 °F 27.1 °F 17.1 °F 46% 30.31 in 10.0 mi WNW 13.8 mph - N/A   Clear
8:52 PM 34.0 °F 28.0 °F 18.0 °F 52% 30.32 in 10.0 mi West 6.9 mph - N/A   Clear
9:52 PM 33.1 °F 26.1 °F 19.0 °F 56% 30.35 in 10.0 mi West 8.1 mph - N/A   Clear
10:52 PM 33.1 °F 25.5 °F 18.0 °F 54% 30.36 in 10.0 mi West 9.2 mph - N/A   Clear
11:52 PM 32.0 °F 24.8 °F 18.0 °F 56% 30.35 in 10.0 mi West 8.1 mph - N/A   Clear
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