Weather History for Washington, DC

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Tuesday, February 19, 2013

  Actual Average Record
Temperature  
Mean Temperature 43 °F 40 °F  
Max Temperature 47 °F 48 °F 74 °F (1939)
Min Temperature 38 °F 32 °F 4 °F (1903)
Degree Days  
Heating Degree Days 22 25  
Month to date heating degree days 518 510  
Since 1 July heating degree days 2591 2890  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 30 °F    
Average Humidity 64    
Maximum Humidity 83    
Minimum Humidity 44    
Precipitation  
Precipitation 0.08 in 0.09 in 1.67 in (1927)
Month to date precipitation 0.90 1.78  
Year to date precipitation 3.43 4.59  
Snow  
Snow T in 0.20 in 14.00 in (1979)
Month to date snowfall 0.4 4.2  
Since 1 July snowfall 1.5 12.6  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.93 in    
Wind  
Wind Speed 13 mph (SW)    
Max Wind Speed 25 mph    
Max Gust Speed 30 mph    
Visibility 10 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Feb. 19, 2013 Rise Set
Actual Time 6:53 AM EST 5:50 PM EST
Civil Twilight 6:26 AM EST 6:17 PM EST
Nautical Twilight 5:55 AM EST 6:48 PM EST
Astronomical Twilight 5:25 AM EST 7:19 PM EST
Moon 12:22 PM EST (2/19) 2:22 AM EST (2/19)
Length of Visible Light 11h 50m
Length of Day
10h 56m
Waxing Gibbous, 67% of the Moon is Illuminated
Feb 19
Waxing Gibbous
Feb 25
Full
Mar 4
Last Quarter
Mar 11
New
Mar 19
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 39.9 °F 32.5 °F 23.0 °F 51% 30.15 in 10.0 mi South 12.7 mph - N/A   Mostly Cloudy
1:52 AM 39.0 °F 30.3 °F 19.9 °F 46% 30.13 in 10.0 mi SSW 16.1 mph - N/A   Mostly Cloudy
2:52 AM 37.9 °F 30.0 °F 21.0 °F 51% 30.13 in 10.0 mi South 12.7 mph - N/A   Mostly Cloudy
3:52 AM 37.9 °F 30.0 °F 24.1 °F 57% 30.09 in 10.0 mi South 12.7 mph - N/A   Partly Cloudy
4:52 AM 39.0 °F 31.4 °F 23.0 °F 53% 30.06 in 10.0 mi South 12.7 mph - N/A   Mostly Cloudy
5:52 AM 37.9 °F 31.5 °F 21.9 °F 53% 30.05 in 10.0 mi SSW 9.2 mph - N/A   Mostly Cloudy
6:52 AM 39.0 °F 30.3 °F 23.0 °F 53% 30.04 in 10.0 mi SSW 16.1 mph - N/A   Mostly Cloudy
7:52 AM 39.9 °F 31.8 °F 25.0 °F 55% 30.01 in 10.0 mi South 15.0 mph - N/A   Overcast
8:52 AM 42.1 °F 32.8 °F 23.0 °F 47% 30.01 in 10.0 mi SSW 21.9 mph 27.6 mph N/A   Overcast
9:27 AM 42.8 °F 34.8 °F 24.8 °F 49% 30.00 in 10.0 mi SSW 17.3 mph - 0.00 in Rain Light Rain
9:37 AM 39.2 °F 29.8 °F 28.4 °F 65% 30.00 in 7.0 mi SSW 18.4 mph 25.3 mph 0.00 in Rain Light Rain
9:52 AM 39.9 °F 32.1 °F 30.0 °F 68% 29.99 in 9.0 mi SSW 13.8 mph - 0.00 in Rain Light Rain
10:52 AM 39.9 °F 33.9 °F 33.1 °F 77% 29.97 in 10.0 mi SSW 9.2 mph - 0.01 in Rain Light Rain
11:52 AM 41.0 °F 33.5 °F 35.1 °F 79% 29.94 in 7.0 mi SSW 13.8 mph - 0.05 in Rain Light Rain
1:07 PM 42.8 °F 36.2 °F 37.4 °F 81% 29.86 in 10.0 mi SSW 12.7 mph 19.6 mph 0.00 in Rain Light Rain
1:22 PM 42.8 °F 35.4 °F 39.2 °F 87% 29.85 in 10.0 mi SSW 15.0 mph - 0.00 in Rain Light Rain
1:52 PM 44.1 °F 36.8 °F 39.0 °F 82% 29.82 in 10.0 mi SSW 16.1 mph - 0.00 in Rain Light Rain
2:40 PM 44.6 °F 37.2 °F 39.2 °F 81% 29.78 in 10.0 mi SSW 17.3 mph - 0.00 in   Overcast
2:52 PM 44.1 °F 36.8 °F 39.9 °F 85% 29.78 in 10.0 mi SSW 16.1 mph 24.2 mph 0.00 in   Overcast
3:52 PM 45.0 °F 37.9 °F 39.9 °F 82% 29.76 in 10.0 mi SSW 16.1 mph 24.2 mph N/A   Overcast
4:52 PM 46.0 °F 39.9 °F 39.9 °F 79% 29.75 in 10.0 mi SW 13.8 mph - N/A   Overcast
5:52 PM 46.9 °F - 39.9 °F 77% 29.79 in 10.0 mi West 11.5 mph - N/A   Overcast
6:15 PM 46.4 °F 41.9 °F 39.2 °F 76% 29.78 in 10.0 mi SW 9.2 mph - N/A   Mostly Cloudy
7:52 PM 45.0 °F 41.8 °F 37.9 °F 76% 29.81 in 10.0 mi WSW 5.8 mph - N/A   Mostly Cloudy
8:52 PM 44.1 °F 38.1 °F 35.1 °F 71% 29.83 in 10.0 mi WNW 11.5 mph - N/A   Partly Cloudy
9:52 PM 43.0 °F 36.8 °F 28.0 °F 56% 29.85 in 10.0 mi NW 11.5 mph 16.1 mph N/A   Partly Cloudy
10:52 PM 42.1 °F 36.6 °F 25.0 °F 51% 29.86 in 10.0 mi NW 9.2 mph - N/A   Partly Cloudy
11:52 PM 39.9 °F 33.9 °F 21.0 °F 47% 29.87 in 10.0 mi NW 9.2 mph - N/A   Clear