Weather History for Washington, DC

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Friday, February 14, 2014

  Actual Average Record
Temperature  
Mean Temperature 43 °F 39 °F  
Max Temperature 52 °F 47 °F 73 °F (1990)
Min Temperature 33 °F 31 °F 4 °F (1905)
Degree Days  
Heating Degree Days 22 26  
Month to date heating degree days 407 382  
Since 1 July heating degree days 2819 2762  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 25 °F    
Average Humidity 51    
Maximum Humidity 70    
Minimum Humidity 32    
Precipitation  
Precipitation 0.00 in 0.10 in 0.98 in (1940)
Month to date precipitation 3.56 1.32  
Year to date precipitation 6.14 4.13  
Snow  
Snow 0.00 in 0.20 in 4.90 in (1885)
Month to date snowfall 7.1 3.2  
Since 1 July snowfall 15.2 11.6  
Snow Depth 4.00 in    
Sea Level Pressure  
Sea Level Pressure 29.62 in    
Wind  
Wind Speed 7 mph (WNW)    
Max Wind Speed 26 mph    
Max Gust Speed 41 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Feb. 14, 2014 Rise Set
Actual Time 7:00 AM EST 5:44 PM EST
Civil Twilight 6:33 AM EST 6:11 PM EST
Nautical Twilight 6:01 AM EST 6:43 PM EST
Astronomical Twilight 5:31 AM EST 7:14 PM EST
Moon 5:46 PM EST (2/14) 6:26 AM EST (2/14)
Length of Visible Light 11h 38m
Length of Day
10h 44m
Full, 100% of the Moon is Illuminated
Feb 14
Full
Feb 14
Full
Feb 22
Last Quarter
Mar 1
New
Mar 8
First Quarter

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 39.0 °F 31.0 °F 27.0 °F 62% 29.39 in 10.0 mi NW 13.8 mph 24.2 mph N/A   Scattered Clouds
1:52 AM 37.9 °F 27.9 °F 25.0 °F 60% 29.44 in 10.0 mi WNW 19.6 mph 34.5 mph N/A   Partly Cloudy
2:52 AM 37.9 °F 28.2 °F 23.0 °F 55% 29.47 in 10.0 mi WNW 18.4 mph 35.7 mph N/A   Scattered Clouds
3:52 AM 37.9 °F 31.5 °F 21.0 °F 51% 29.49 in 10.0 mi WNW 9.2 mph 17.3 mph N/A   Clear
4:52 AM 37.9 °F 32.1 °F 19.9 °F 48% 29.51 in 10.0 mi NW 8.1 mph - N/A   Clear
5:52 AM 36.0 °F 29.6 °F 21.0 °F 55% 29.55 in 10.0 mi South 8.1 mph - N/A   Mostly Cloudy
6:52 AM 37.0 °F 33.3 °F 19.0 °F 48% 29.57 in 10.0 mi West 4.6 mph - N/A   Scattered Clouds
7:52 AM 35.1 °F 29.3 °F 21.9 °F 59% 29.60 in 10.0 mi South 6.9 mph - N/A   Scattered Clouds
8:52 AM 36.0 °F 31.1 °F 27.0 °F 70% 29.61 in 10.0 mi South 5.8 mph - N/A   Partly Cloudy
9:52 AM 39.9 °F 34.5 °F 26.1 °F 58% 29.60 in 10.0 mi SSW 8.1 mph - N/A   Clear
10:52 AM 41.0 °F 35.8 °F 27.0 °F 57% 29.61 in 10.0 mi South 8.1 mph - N/A   Partly Cloudy
11:52 AM 44.1 °F 40.1 °F 28.0 °F 53% 29.61 in 10.0 mi South 6.9 mph - N/A   Clear
12:52 PM 48.0 °F - 25.0 °F 41% 29.60 in 10.0 mi West 9.2 mph - N/A   Partly Cloudy
1:52 PM 50.0 °F - 24.1 °F 36% 29.62 in 10.0 mi Variable 5.8 mph - N/A   Scattered Clouds
2:52 PM 52.0 °F - 23.0 °F 32% 29.62 in 10.0 mi NW 5.8 mph - N/A   Mostly Cloudy
3:52 PM 51.1 °F - 24.1 °F 35% 29.65 in 10.0 mi North 5.8 mph - N/A   Mostly Cloudy
4:52 PM 50.0 °F - 24.1 °F 36% 29.68 in 10.0 mi North 4.6 mph - N/A   Scattered Clouds
5:52 PM 46.0 °F 42.5 °F 27.0 °F 47% 29.71 in 10.0 mi ENE 6.9 mph - N/A   Scattered Clouds
6:52 PM 42.1 °F 37.1 °F 27.0 °F 55% 29.72 in 10.0 mi ENE 8.1 mph - N/A   Scattered Clouds
7:52 PM 41.0 °F 39.0 °F 27.0 °F 57% 29.73 in 10.0 mi NE 3.5 mph - N/A   Scattered Clouds
8:52 PM 42.1 °F 40.2 °F 26.1 °F 53% 29.74 in 10.0 mi ESE 3.5 mph - N/A   Mostly Cloudy
9:52 PM 42.1 °F - 26.1 °F 53% 29.72 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
10:11 PM 42.8 °F - 26.6 °F 53% 29.73 in 10.0 mi Calm Calm - N/A   Overcast
10:36 PM 42.8 °F - 26.6 °F 53% 29.74 in 10.0 mi Calm Calm - N/A   Overcast
10:52 PM 43.0 °F - 26.1 °F 51% 29.74 in 10.0 mi Calm Calm - N/A   Overcast
11:52 PM 39.0 °F 35.7 °F 28.0 °F 65% 29.73 in 10.0 mi NE 4.6 mph - N/A   Overcast