Weather History for Washington, DC

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Wednesday, May 29, 2013

  Actual Average Record
Temperature  
Mean Temperature 80 °F 70 °F  
Max Temperature 90 °F 79 °F 97 °F (1969)
Min Temperature 69 °F 61 °F 41 °F (1894)
Degree Days  
Heating Degree Days 0 1  
Month to date heating degree days 83 77  
Since 1 July heating degree days 3765 4023  
Cooling Degree Days 15 6  
Month to date cooling degree days 113 95  
Year to date cooling degree days 154 121  
Growing Degree Days 30 (Base 50)    
Moisture  
Dew Point 65 °F    
Average Humidity 66    
Maximum Humidity 90    
Minimum Humidity 41    
Precipitation  
Precipitation 0.00 in 0.13 in 1.38 in (1990)
Month to date precipitation 2.82 3.73  
Year to date precipitation 12.58 15.70  
Snow  
Snow 0.00 in 0.00 in - ()
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 30.10 in    
Wind  
Wind Speed 9 mph (SSW)    
Max Wind Speed 16 mph    
Max Gust Speed 21 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

May. 29, 2013 Rise Set
Actual Time 5:46 AM EDT 8:25 PM EDT
Civil Twilight 5:14 AM EDT 8:56 PM EDT
Nautical Twilight 4:36 AM EDT 9:35 PM EDT
Astronomical Twilight 3:52 AM EDT 10:19 PM EDT
Moon No Moon Rise 10:41 AM EDT (5/29)
Length of Visible Light 15h 41m
Length of Day
14h 39m
Waning Gibbous, 73% of the Moon is Illuminated
May 29
Waning Gibbous
May 31
Last Quarter
Jun 8
New
Jun 16
First Quarter
Jun 23
Full

Hourly Weather History & Observations

Time (EDT) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:52 AM 70.0 °F - 66.0 °F 87% 30.10 in 10.0 mi SSW 8.1 mph - N/A   Mostly Cloudy
1:52 AM 70.0 °F - 66.0 °F 87% 30.10 in 10.0 mi SSW 8.1 mph - N/A   Mostly Cloudy
2:52 AM 70.0 °F - 66.0 °F 87% 30.09 in 10.0 mi South 6.9 mph - N/A   Scattered Clouds
3:52 AM 70.0 °F - 64.9 °F 84% 30.09 in 10.0 mi South 5.8 mph - N/A   Scattered Clouds
4:52 AM 69.1 °F - 64.9 °F 87% 30.09 in 10.0 mi South 8.1 mph - N/A   Mostly Cloudy
5:52 AM 69.1 °F - 64.9 °F 87% 30.09 in 10.0 mi South 9.2 mph - N/A   Scattered Clouds
6:52 AM 70.0 °F - 64.9 °F 84% 30.11 in 10.0 mi South 9.2 mph - N/A   Scattered Clouds
7:52 AM 73.0 °F - 64.9 °F 76% 30.11 in 10.0 mi SSW 10.4 mph - N/A   Scattered Clouds
8:52 AM 75.0 °F - 66.0 °F 73% 30.14 in 10.0 mi SSW 5.8 mph - N/A   Scattered Clouds
9:52 AM 75.0 °F - 66.9 °F 76% 30.13 in 10.0 mi South 10.4 mph - N/A   Scattered Clouds
10:52 AM 77.0 °F - 66.9 °F 71% 30.14 in 10.0 mi South 12.7 mph - N/A   Mostly Cloudy
11:52 AM 79.0 °F - 68.0 °F 69% 30.14 in 9.0 mi South 9.2 mph - N/A   Mostly Cloudy
12:52 PM 82.9 °F 86.5 °F 69.1 °F 63% 30.13 in 10.0 mi South 8.1 mph - N/A   Mostly Cloudy
1:52 PM 89.1 °F 90.0 °F 63.0 °F 42% 30.11 in 10.0 mi WSW 8.1 mph - N/A   Mostly Cloudy
2:52 PM 88.0 °F 89.6 °F 64.9 °F 46% 30.10 in 10.0 mi South 11.5 mph - N/A   Mostly Cloudy
3:52 PM 88.0 °F 90.3 °F 66.0 °F 48% 30.10 in 10.0 mi South 9.2 mph - N/A   Mostly Cloudy
4:52 PM 89.1 °F 89.3 °F 62.1 °F 40% 30.08 in 10.0 mi South 11.5 mph - N/A   Mostly Cloudy
5:52 PM 87.1 °F 87.8 °F 63.0 °F 44% 30.08 in 10.0 mi SSW 9.2 mph - N/A   Mostly Cloudy
6:52 PM 86.0 °F 86.8 °F 63.0 °F 46% 30.08 in 10.0 mi SSW 6.9 mph - N/A   Mostly Cloudy
7:52 PM 84.9 °F 86.1 °F 64.0 °F 49% 30.08 in 10.0 mi SSW 8.1 mph - N/A   Mostly Cloudy
8:52 PM 82.0 °F 83.8 °F 64.9 °F 56% 30.08 in 10.0 mi SSW 9.2 mph - N/A   Scattered Clouds
9:52 PM 78.1 °F - 66.0 °F 66% 30.09 in 10.0 mi South 10.4 mph - N/A   Scattered Clouds
10:52 PM 78.1 °F - 66.0 °F 66% 30.10 in 10.0 mi SSW 9.2 mph - N/A   Mostly Cloudy
11:52 PM 78.1 °F - 64.9 °F 64% 30.11 in 10.0 mi SSW 10.4 mph - N/A   Mostly Cloudy