Weather History for Washington, DC

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Wednesday, February 13, 2013

  Actual Average Record
Temperature  
Mean Temperature 41 °F 38 °F  
Max Temperature 48 °F 47 °F 72 °F (1951)
Min Temperature 34 °F 31 °F 2 °F (1917)
Degree Days  
Heating Degree Days 24 26  
Month to date heating degree days 361 356  
Since 1 July heating degree days 2434 2736  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 31 °F    
Average Humidity 67    
Maximum Humidity 85    
Minimum Humidity 49    
Precipitation  
Precipitation 0.19 in 0.09 in 1.77 in (1971)
Month to date precipitation 0.70 1.22  
Year to date precipitation 3.23 4.03  
Snow  
Snow T in 0.30 in 12.00 in (1899)
Month to date snowfall 0.4 3.0  
Since 1 July snowfall 1.5 11.4  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.78 in    
Wind  
Wind Speed 7 mph (NNE)    
Max Wind Speed 14 mph    
Max Gust Speed 16 mph    
Visibility 7 miles    
Events Rain , Snow    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Feb. 13, 2013 Rise Set
Actual Time 7:01 AM EST 5:43 PM EST
Civil Twilight 6:34 AM EST 6:11 PM EST
Nautical Twilight 6:02 AM EST 6:42 PM EST
Astronomical Twilight 5:31 AM EST 7:13 PM EST
Moon 8:32 AM EST (2/13) 9:41 PM EST (2/13)
Length of Visible Light 11h 37m
Length of Day
10h 42m
Waxing Crescent, 13% of the Moon is Illuminated
Feb 13
Waxing Crescent
Feb 17
First Quarter
Feb 25
Full
Mar 4
Last Quarter
Mar 11
New

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 39.9 °F 33.9 °F 27.0 °F 60% 29.98 in 10.0 mi NE 9.2 mph - N/A   Mostly Cloudy
1:52 AM 37.9 °F 32.1 °F 28.0 °F 68% 29.96 in 10.0 mi NE 8.1 mph - N/A   Partly Cloudy
2:52 AM 37.0 °F 33.3 °F 26.1 °F 65% 29.94 in 10.0 mi NNE 4.6 mph - N/A   Partly Cloudy
3:52 AM 36.0 °F 30.3 °F 26.1 °F 67% 29.91 in 10.0 mi NNE 6.9 mph - N/A   Partly Cloudy
4:52 AM 36.0 °F 32.1 °F 26.1 °F 67% 29.91 in 10.0 mi NE 4.6 mph - N/A   Partly Cloudy
5:52 AM 35.1 °F 27.9 °F 26.1 °F 70% 29.91 in 10.0 mi NNE 9.2 mph - N/A   Mostly Cloudy
6:52 AM 36.0 °F 29.6 °F 27.0 °F 70% 29.89 in 10.0 mi NE 8.1 mph - N/A   Mostly Cloudy
7:52 AM 37.0 °F - 27.0 °F 67% 29.91 in 10.0 mi Calm Calm - N/A   Overcast
8:52 AM 39.0 °F 34.0 °F 27.0 °F 62% 29.90 in 10.0 mi ENE 6.9 mph - N/A   Overcast
9:52 AM 41.0 °F 37.1 °F 26.1 °F 55% 29.88 in 10.0 mi ENE 5.8 mph - N/A   Overcast
10:52 AM 42.1 °F 39.2 °F 27.0 °F 55% 29.86 in 10.0 mi East 4.6 mph - N/A   Overcast
11:52 AM 46.0 °F 43.1 °F 28.0 °F 50% 29.82 in 10.0 mi SE 5.8 mph - N/A   Mostly Cloudy
12:52 PM 46.9 °F - 30.0 °F 52% 29.76 in 10.0 mi SE 8.1 mph - N/A   Overcast
1:52 PM 48.0 °F - 30.0 °F 50% 29.74 in 10.0 mi NE 4.6 mph - N/A   Overcast
2:52 PM 46.0 °F 43.1 °F 33.1 °F 61% 29.69 in 9.0 mi ESE 5.8 mph - 0.00 in Rain Light Rain
3:52 PM 44.1 °F 42.5 °F 35.1 °F 71% 29.68 in 10.0 mi ENE 3.5 mph - 0.00 in   Overcast
4:22 PM 42.8 °F 38.0 °F 35.6 °F 76% 29.67 in 3.0 mi East 8.1 mph - 0.00 in Rain Light Rain
4:25 PM 42.8 °F 38.6 °F 35.6 °F 76% 29.68 in 3.0 mi East 6.9 mph - 0.00 in Rain Light Rain
4:32 PM 42.8 °F 40.1 °F 35.6 °F 76% 29.67 in 3.0 mi ENE 4.6 mph - 0.01 in Rain Light Rain
4:41 PM 42.8 °F 39.3 °F 35.6 °F 76% 29.67 in 3.0 mi ENE 5.8 mph - 0.01 in Rain Light Rain
4:52 PM 43.0 °F 40.3 °F 36.0 °F 76% 29.68 in 3.0 mi East 4.6 mph - 0.02 in Rain Light Rain
5:52 PM 39.9 °F 32.5 °F 35.1 °F 83% 29.68 in 4.0 mi NNE 12.7 mph - 0.05 in Rain Light Rain
6:43 PM 37.4 °F 30.3 °F 33.8 °F 87% 29.69 in 5.0 mi NE 10.4 mph - 0.03 in Rain Light Rain
6:48 PM 37.4 °F 30.8 °F 33.8 °F 87% 29.69 in 5.0 mi NE 9.2 mph - 0.03 in Rain Light Rain
6:49 PM 37.9 °F 32.1 °F 34.0 °F 86% 29.69 in 5.0 mi NNE 8.1 mph - 0.03 in Rain Light Rain
6:51 PM 37.4 °F 30.8 °F 33.8 °F 87% 29.69 in 5.0 mi NNE 9.2 mph - 0.00 in Rain Light Rain
7:16 PM 37.4 °F 29.8 °F 33.8 °F 87% 29.70 in 5.0 mi NNE 11.5 mph - 0.01 in Rain Light Rain
7:19 PM 37.4 °F 30.3 °F 33.8 °F 87% 29.70 in 5.0 mi NNE 10.4 mph - 0.01 in Rain Light Rain
7:22 PM 37.4 °F 30.3 °F 33.8 °F 87% 29.71 in 5.0 mi NNE 10.4 mph - 0.02 in Rain Light Rain
7:36 PM 37.4 °F 29.8 °F 33.8 °F 87% 29.71 in 5.0 mi North 11.5 mph - 0.02 in Rain Light Rain
7:52 PM 37.9 °F 32.1 °F 34.0 °F 86% 29.72 in 5.0 mi North 8.1 mph - 0.03 in Rain Light Rain
8:22 PM 37.4 °F 29.8 °F 33.8 °F 87% 29.72 in 5.0 mi NNW 11.5 mph - 0.02 in Rain Light Rain
8:52 PM 37.0 °F 31.0 °F 34.0 °F 89% 29.72 in 6.0 mi NNW 8.1 mph - 0.03 in Rain Light Rain
9:43 PM 35.6 °F 27.5 °F 32.0 °F 87% 29.75 in 5.0 mi NNW 11.5 mph - 0.02 in Rain , Snow Light Rain
9:52 PM 36.0 °F 28.0 °F 33.1 °F 89% 29.75 in 5.0 mi NNW 11.5 mph - 0.02 in Rain , Snow Light Rain
10:14 PM 35.6 °F 28.6 °F 33.8 °F 93% 29.76 in 6.0 mi NNW 9.2 mph - 0.01 in Rain , Snow Light Rain
10:21 PM 35.6 °F 27.1 °F 33.8 °F 93% 29.76 in 6.0 mi NNW 12.7 mph - 0.01 in Rain , Snow Light Rain
10:40 PM 35.6 °F 28.6 °F 33.8 °F 93% 29.77 in 6.0 mi NNW 9.2 mph - 0.01 in   Overcast
10:52 PM 36.0 °F 29.6 °F 33.1 °F 89% 29.77 in 6.0 mi NNW 8.1 mph - 0.01 in   Overcast
11:09 PM 35.6 °F 29.2 °F 33.8 °F 93% 29.78 in 6.0 mi NW 8.1 mph - N/A   Overcast
11:24 PM 37.4 °F 31.4 °F 33.8 °F 87% 29.77 in 6.0 mi NNW 8.1 mph - N/A   Overcast
11:52 PM 37.0 °F 31.0 °F 33.1 °F 86% 29.79 in 6.0 mi NW 8.1 mph - N/A   Overcast