Weather History for Washington, DC

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Tuesday, September 3, 2013

  Actual Average Record
Temperature  
Mean Temperature 79 °F 75 °F  
Max Temperature 87 °F 84 °F 98 °F (1953)
Min Temperature 70 °F 67 °F 48 °F (1909)
Degree Days  
Heating Degree Days 0 0  
Month to date heating degree days 0 0  
Since 1 July heating degree days 0 0  
Cooling Degree Days 14 10  
Month to date cooling degree days 50 32  
Year to date cooling degree days 1480 1343  
Growing Degree Days 30 (Base 50)    
Moisture  
Dew Point 60 °F    
Average Humidity 56    
Maximum Humidity 79    
Minimum Humidity 32    
Precipitation  
Precipitation 0.00 in 0.12 in 1.67 in (1974)
Month to date precipitation 0.12 0.33  
Year to date precipitation 28.44 26.73  
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 29.84 in    
Wind  
Wind Speed 10 mph (NNW)    
Max Wind Speed 23 mph    
Max Gust Speed 28 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Sep. 03, 2013 Rise Set
Actual Time 6:39 AM EDT 7:35 PM EDT
Civil Twilight 6:11 AM EDT 8:02 PM EDT
Nautical Twilight 5:39 AM EDT 8:34 PM EDT
Astronomical Twilight 5:06 AM EDT 9:07 PM EDT
Moon 4:51 AM EDT (9/3) 6:20 PM EDT (9/3)
Length of Visible Light 13h 50m
Length of Day
12h 55m
Waning Crescent, 3% of the Moon is Illuminated
Sep 3
Waning Crescent
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 79.0 °F - 72.0 °F 79% 29.76 in 10.0 mi South 4.6 mph - N/A   Scattered Clouds
1:52 AM 78.1 °F - 71.1 °F 79% 29.75 in 10.0 mi SW 5.8 mph - N/A   Scattered Clouds
2:52 AM 78.1 °F - 71.1 °F 79% 29.75 in 10.0 mi Calm Calm - N/A   Scattered Clouds
3:52 AM 77.0 °F - 70.0 °F 79% 29.75 in 10.0 mi Calm Calm - N/A   Scattered Clouds
4:52 AM 78.1 °F - 66.0 °F 66% 29.77 in 10.0 mi NW 5.8 mph - N/A   Partly Cloudy
5:52 AM 75.9 °F - 64.9 °F 69% 29.79 in 10.0 mi North 10.4 mph - N/A   Mostly Cloudy
6:52 AM 75.0 °F - 66.0 °F 73% 29.81 in 10.0 mi North 10.4 mph - N/A   Mostly Cloudy
7:52 AM 75.9 °F - 66.0 °F 71% 29.83 in 10.0 mi North 9.2 mph - N/A   Overcast
8:52 AM 78.1 °F - 66.0 °F 66% 29.85 in 10.0 mi NNW 5.8 mph - N/A   Mostly Cloudy
9:52 AM 81.0 °F 82.5 °F 64.0 °F 56% 29.86 in 10.0 mi North 12.7 mph - N/A   Mostly Cloudy
10:52 AM 82.9 °F 82.8 °F 59.0 °F 44% 29.87 in 10.0 mi NW 13.8 mph - N/A   Mostly Cloudy
11:52 AM 84.9 °F 83.7 °F 55.9 °F 37% 29.87 in 10.0 mi NW 18.4 mph 24.2 mph N/A   Mostly Cloudy
12:52 PM 84.9 °F 84.2 °F 57.9 °F 40% 29.87 in 10.0 mi NW 17.3 mph 23.0 mph N/A   Mostly Cloudy
1:52 PM 84.9 °F 83.7 °F 55.9 °F 37% 29.86 in 10.0 mi NNW 10.4 mph - N/A   Mostly Cloudy
2:52 PM 86.0 °F 84.5 °F 55.0 °F 35% 29.86 in 10.0 mi West 13.8 mph 17.3 mph N/A   Mostly Cloudy
3:52 PM 86.0 °F 84.5 °F 55.0 °F 35% 29.84 in 10.0 mi NNW 12.7 mph 16.1 mph N/A   Mostly Cloudy
4:52 PM 86.0 °F 84.5 °F 55.0 °F 35% 29.83 in 10.0 mi NNW 9.2 mph - N/A   Mostly Cloudy
5:52 PM 86.0 °F 84.2 °F 54.0 °F 33% 29.85 in 10.0 mi NNW 11.5 mph - N/A   Scattered Clouds
6:52 PM 84.0 °F - 52.0 °F 33% 29.87 in 10.0 mi NNW 11.5 mph - N/A   Scattered Clouds
7:52 PM 80.1 °F 79.9 °F 53.1 °F 39% 29.89 in 10.0 mi NNW 10.4 mph - N/A   Partly Cloudy
8:52 PM 79.0 °F - 53.1 °F 40% 29.91 in 10.0 mi NNW 13.8 mph - N/A   Partly Cloudy
9:52 PM 75.9 °F - 53.1 °F 45% 29.94 in 10.0 mi North 12.7 mph - N/A   Clear
10:52 PM 73.9 °F - 53.1 °F 48% 29.95 in 10.0 mi North 12.7 mph - N/A   Clear
11:52 PM 72.0 °F - 53.1 °F 51% 29.98 in 10.0 mi North 12.7 mph - N/A   Clear