Weather History for Washington, DC

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Wednesday, August 28, 2013

  Actual Average Record
Temperature  
Mean Temperature 79 °F 77 °F  
Max Temperature 83 °F 85 °F 99 °F (1948)
Min Temperature 75 °F 68 °F 50 °F (1874)
Degree Days  
Heating Degree Days 0 0  
Month to date heating degree days 0 0  
Since 1 June heating degree days 0 6  
Since 1 July heating degree days 0 0  
Cooling Degree Days 14 12  
Month to date cooling degree days 334 372  
Year to date cooling degree days 1381 1277  
Since 1 June cooling degree days 1196 1143  
Growing Degree Days 28 (Base 50)    
Moisture  
Dew Point 70 °F    
Average Humidity 75    
Maximum Humidity 87    
Minimum Humidity 62    
Precipitation  
Precipitation 0.01 in 0.08 in 3.09 in (1914)
Month to date precipitation 1.34 2.66  
Year to date precipitation 28.32 26.13  
Snow  
Snow 0.00 in 0.00 in - ()
Month to date snowfall 0.0 0.0  
Since 1 July snowfall 0.0 0.0  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.88 in    
Wind  
Wind Speed 6 mph (WSW)    
Max Wind Speed 15 mph    
Max Gust Speed 18 mph    
Visibility 8 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Aug. 28, 2013 Rise Set
Actual Time 6:33 AM EDT 7:44 PM EDT
Civil Twilight 6:06 AM EDT 8:11 PM EDT
Nautical Twilight 5:33 AM EDT 8:44 PM EDT
Astronomical Twilight 4:59 AM EDT 9:18 PM EDT
Moon No Moon Rise 2:18 PM EDT (8/28)
Length of Visible Light 14h 05m
Length of Day
13h 10m
Waning Gibbous, 47% of the Moon is Illuminated
Aug 28
Waning Gibbous
Sep 5
New
Sep 12
First Quarter
Sep 19
Full
Sep 26
Last Quarter

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 80.1 °F 82.7 °F 68.0 °F 67% 29.92 in 10.0 mi SSW 4.6 mph - N/A   Overcast
1:52 AM 79.0 °F - 72.0 °F 79% 29.91 in 8.0 mi South 4.6 mph - N/A   Overcast
2:52 AM 80.1 °F 82.1 °F 66.0 °F 62% 29.89 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
3:52 AM 77.0 °F - 68.0 °F 74% 29.88 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
4:52 AM 78.1 °F - 66.9 °F 68% 29.88 in 10.0 mi North 5.8 mph - N/A   Mostly Cloudy
5:52 AM 77.0 °F - 66.9 °F 71% 29.88 in 10.0 mi North 5.8 mph - 0.00 in   Overcast
6:52 AM 79.0 °F - 66.9 °F 66% 29.91 in 10.0 mi West 3.5 mph - N/A   Mostly Cloudy
7:05 AM 78.8 °F - 66.2 °F 65% 29.91 in 10.0 mi West 5.8 mph - N/A   Overcast
7:22 AM 80.6 °F 82.7 °F 66.2 °F 61% 29.92 in 10.0 mi WNW 6.9 mph - 0.00 in Rain Light Rain
7:52 AM 78.1 °F - 69.1 °F 74% 29.92 in 6.0 mi WNW 9.2 mph - 0.00 in Rain Light Rain
8:52 AM 78.1 °F - 70.0 °F 76% 29.92 in 9.0 mi WNW 5.8 mph - 0.00 in   Overcast
9:32 AM 78.8 °F - 71.6 °F 78% 29.92 in 7.0 mi West 4.6 mph - 0.00 in Rain Light Rain
9:52 AM 79.0 °F - 71.1 °F 77% 29.93 in 7.0 mi WNW 6.9 mph - 0.00 in Rain Light Rain
10:23 AM 78.8 °F - 71.6 °F 78% 29.93 in 5.0 mi West 5.8 mph - 0.00 in Rain Light Rain
10:52 AM 80.1 °F 83.8 °F 72.0 °F 76% 29.92 in 6.0 mi WNW 5.8 mph - 0.01 in Rain Light Rain
11:39 AM 82.4 °F 86.3 °F 69.8 °F 66% 29.91 in 7.0 mi Calm Calm - 0.00 in   Overcast
11:52 AM 82.9 °F 87.0 °F 70.0 °F 65% 29.90 in 7.0 mi WSW 3.5 mph - 0.00 in   Overcast
12:24 PM 82.4 °F 86.3 °F 69.8 °F 66% 29.90 in 8.0 mi WSW 11.5 mph - N/A   Overcast
12:52 PM 81.0 °F 84.1 °F 69.1 °F 67% 29.89 in 9.0 mi WSW 11.5 mph - 0.00 in Rain Light Rain
1:52 PM 79.0 °F - 71.1 °F 77% 29.88 in 8.0 mi West 13.8 mph - 0.00 in   Overcast
2:52 PM 78.1 °F - 70.0 °F 76% 29.88 in 10.0 mi West 9.2 mph - 0.00 in   Overcast
3:52 PM 78.1 °F - 71.1 °F 79% 29.85 in 10.0 mi South 6.9 mph - 0.00 in   Overcast
4:52 PM 77.0 °F - 70.0 °F 79% 29.86 in 10.0 mi WSW 5.8 mph - N/A   Overcast
5:52 PM 78.1 °F - 70.0 °F 76% 29.84 in 10.0 mi SW 4.6 mph - N/A   Overcast
6:52 PM 77.0 °F - 71.1 °F 82% 29.84 in 10.0 mi SSW 5.8 mph - 0.00 in Rain Light Rain
7:33 PM 77.0 °F - 71.6 °F 83% 29.84 in 9.0 mi South 4.6 mph - N/A   Overcast
7:52 PM 77.0 °F - 72.0 °F 84% 29.84 in 9.0 mi SSE 3.5 mph - N/A   Overcast
7:57 PM 77.0 °F - 71.6 °F 83% 29.84 in 10.0 mi SE 3.5 mph - 0.00 in Rain Light Rain
8:17 PM 77.0 °F - 71.6 °F 83% 29.85 in 9.0 mi South 4.6 mph - 0.00 in   Overcast
8:52 PM 77.0 °F - 72.0 °F 84% 29.86 in 7.0 mi East 6.9 mph - 0.00 in Rain Light Rain
9:52 PM 77.0 °F - 71.1 °F 82% 29.86 in 9.0 mi East 3.5 mph - 0.00 in   Overcast
10:52 PM 75.9 °F - 72.0 °F 87% 29.85 in 7.0 mi Calm Calm - N/A   Overcast
11:10 PM 75.2 °F - 71.6 °F 89% 29.84 in 6.0 mi Calm Calm - N/A   Overcast
11:19 PM 75.2 °F - 71.6 °F 89% 29.84 in 6.0 mi ENE 3.5 mph - N/A   Mostly Cloudy
11:31 PM 75.2 °F - 71.6 °F 89% 29.84 in 5.0 mi ENE 6.9 mph - N/A   Mostly Cloudy
11:52 PM 75.0 °F - 71.1 °F 87% 29.85 in 4.0 mi NNE 3.5 mph - N/A   Mostly Cloudy
11:59 PM 75.2 °F - 71.6 °F 89% 29.85 in 4.0 mi Calm Calm - N/A   Mostly Cloudy