Weather History for Washington, DC

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Wednesday, April 24, 2013

  Actual Average Record
Temperature  
Mean Temperature 64 °F 60 °F  
Max Temperature 79 °F 69 °F 94 °F (1960)
Min Temperature 48 °F 50 °F 34 °F (1930)
Degree Days  
Heating Degree Days 1 7  
Month to date heating degree days 179 235  
Since 1 July heating degree days 3644 3911  
Cooling Degree Days 0 1  
Month to date cooling degree days 41 15  
Year to date cooling degree days 41 17  
Growing Degree Days 14 (Base 50)    
Moisture  
Dew Point 49 °F    
Average Humidity 61    
Maximum Humidity 86    
Minimum Humidity 36    
Precipitation  
Precipitation T in 0.10 in 1.23 in (1977)
Month to date precipitation 2.53 2.44  
Year to date precipitation 9.53 11.35  
Snow  
Snow 0.00 in 0.00 in T in (2011)
Month to date snowfall 0.0 0.0  
Since 1 July snowfall 3.1 15.4  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.99 in    
Wind  
Wind Speed 12 mph (SSW)    
Max Wind Speed 30 mph    
Max Gust Speed 39 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Apr. 24, 2013 Rise Set
Actual Time 6:18 AM EDT 7:54 PM EDT
Civil Twilight 5:50 AM EDT 8:22 PM EDT
Nautical Twilight 5:16 AM EDT 8:56 PM EDT
Astronomical Twilight 4:40 AM EDT 9:32 PM EDT
Moon 6:55 PM EDT (4/24) 5:20 AM EDT (4/24)
Length of Visible Light 14h 31m
Length of Day
13h 35m
Waxing Gibbous, 98% of the Moon is Illuminated
Apr 24
Waxing Gibbous
Apr 25
Full
May 2
Last Quarter
May 9
New
May 18
First Quarter

Hourly Weather History & Observations

Time (EDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:52 AM 52.0 °F 42.1 °F 69% 30.14 in 10.0 mi SSW 4.6 mph - N/A   Partly Cloudy
1:52 AM 51.1 °F 42.1 °F 71% 30.13 in 10.0 mi Calm Calm - N/A   Partly Cloudy
2:52 AM 50.0 °F 44.1 °F 80% 30.12 in 10.0 mi SSE 6.9 mph - N/A   Partly Cloudy
3:52 AM 48.9 °F 44.1 °F 83% 30.11 in 10.0 mi South 6.9 mph - N/A   Scattered Clouds
4:52 AM 48.9 °F 45.0 °F 86% 30.10 in 10.0 mi South 5.8 mph - N/A   Scattered Clouds
5:52 AM 48.9 °F 45.0 °F 86% 30.10 in 10.0 mi South 5.8 mph - N/A   Scattered Clouds
6:52 AM 48.9 °F 45.0 °F 86% 30.09 in 10.0 mi SSE 5.8 mph - N/A   Partly Cloudy
7:52 AM 52.0 °F 46.9 °F 83% 30.09 in 10.0 mi South 8.1 mph - N/A   Scattered Clouds
8:04 AM 51.8 °F 46.4 °F 82% 30.08 in 10.0 mi South 10.4 mph - N/A   Scattered Clouds
8:28 AM 53.6 °F 48.2 °F 82% 30.08 in 10.0 mi SSW 9.2 mph - N/A   Mostly Cloudy
8:52 AM 55.9 °F 48.0 °F 75% 30.07 in 10.0 mi SW 10.4 mph 16.1 mph N/A   Mostly Cloudy
9:06 AM 55.4 °F 48.2 °F 77% 30.06 in 10.0 mi SW 9.2 mph - N/A   Scattered Clouds
9:52 AM 59.0 °F 50.0 °F 72% 30.05 in 10.0 mi South 10.4 mph - N/A   Scattered Clouds
10:52 AM 63.0 °F 51.1 °F 65% 30.03 in 10.0 mi SW 12.7 mph - N/A   Mostly Cloudy
11:52 AM 64.9 °F 54.0 °F 68% 30.00 in 10.0 mi SSE 10.4 mph - N/A   Mostly Cloudy
12:52 PM 70.0 °F 55.0 °F 59% 29.95 in 10.0 mi South 9.2 mph - N/A   Mostly Cloudy
1:52 PM 73.4 °F 55.4 °F 53% 29.92 in 10.0 mi South 13.8 mph - N/A   Overcast
2:52 PM 73.9 °F 55.0 °F 52% 29.89 in 10.0 mi South 15.0 mph - N/A   Overcast
3:52 PM 78.1 °F 50.0 °F 37% 29.86 in 10.0 mi SSW 20.7 mph 27.6 mph N/A   Overcast
4:52 PM 77.0 °F 48.0 °F 36% 29.83 in 10.0 mi South 19.6 mph - N/A   Overcast
5:52 PM 75.9 °F 48.9 °F 38% 29.82 in 10.0 mi South 21.9 mph 29.9 mph N/A   Overcast
6:52 PM 75.9 °F 50.0 °F 40% 29.80 in 10.0 mi South 17.3 mph 26.5 mph N/A   Overcast
7:52 PM 73.9 °F 50.0 °F 43% 29.82 in 10.0 mi SSW 17.3 mph 27.6 mph N/A   Mostly Cloudy
8:52 PM 73.9 °F 50.0 °F 43% 29.86 in 10.0 mi SSW 16.1 mph - N/A   Mostly Cloudy
9:52 PM 73.0 °F 51.1 °F 46% 29.88 in 10.0 mi SSW 16.1 mph - N/A   Mostly Cloudy
10:52 PM 71.1 °F 52.0 °F 51% 29.91 in 10.0 mi SW 10.4 mph - N/A   Scattered Clouds
11:28 PM 71.6 °F 51.8 °F 50% 29.95 in 10.0 mi WNW 24.2 mph 32.2 mph N/A   Mostly Cloudy
11:35 PM 66.2 °F 48.2 °F 52% 29.96 in 10.0 mi NW 23.0 mph 39.1 mph N/A   Mostly Cloudy
11:52 PM 66.0 °F 46.9 °F 50% 29.96 in 10.0 mi NW 17.3 mph 34.5 mph N/A   Overcast