Weather History for Washington, DC

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Tuesday, July 23, 2013

  Actual Average Record
Temperature  
Mean Temperature 83 °F 80 °F  
Max Temperature 89 °F 88 °F 102 °F (2011)
Min Temperature 76 °F 71 °F 56 °F (1890)
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 18 15  
Month to date cooling degree days 415 340  
Year to date cooling degree days 951 788  
Since 1 June cooling degree days 766 654  
Growing Degree Days 32 (Base 50)    
Moisture  
Dew Point 69 °F    
Average Humidity 67    
Maximum Humidity 88    
Minimum Humidity 46    
Precipitation  
Precipitation T in 0.12 in 2.60 in (1940)
Month to date precipitation 4.17 2.80  
Year to date precipitation 26.72 22.54  
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 29.71 in    
Wind  
Wind Speed 8 mph (WNW)    
Max Wind Speed 22 mph    
Max Gust Speed 26 mph    
Visibility 10 miles    
Events Rain , Thunderstorm    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Jul. 23, 2013 Rise Set
Actual Time 6:01 AM EDT 8:27 PM EDT
Civil Twilight 5:31 AM EDT 8:57 PM EDT
Nautical Twilight 4:53 AM EDT 9:34 PM EDT
Astronomical Twilight 4:11 AM EDT 10:16 PM EDT
Moon 8:55 PM EDT (7/23) 7:06 AM EDT (7/23)
Length of Visible Light 15h 26m
Length of Day
14h 25m
Full, 99% of the Moon is Illuminated
Jul 23
Full
Jul 29
Last Quarter
Aug 6
New
Aug 14
First Quarter
Aug 20
Full

Hourly Weather History & Observations

Time (EDT) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:29 AM 77.0 °F - 69.8 °F 78% 29.78 in 10.0 mi Calm Calm - 0.10 in Thunderstorm Thunderstorm
12:50 AM 75.2 °F - 71.6 °F 89% 29.77 in 10.0 mi SSE 4.6 mph - 0.10 in Rain Light Rain
12:52 AM 75.9 °F - 72.0 °F 87% 29.77 in 10.0 mi SSE 4.6 mph - 0.10 in Rain Light Rain
1:52 AM 75.9 °F - 72.0 °F 87% 29.74 in 10.0 mi Calm Calm - 0.00 in   Scattered Clouds
2:52 AM 77.0 °F - 72.0 °F 84% 29.73 in 10.0 mi Calm Calm - N/A   Scattered Clouds
3:44 AM 77.0 °F - 71.6 °F 83% 29.72 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
3:52 AM 77.0 °F - 72.0 °F 84% 29.72 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
3:59 AM 77.0 °F - 71.6 °F 83% 29.71 in 10.0 mi Calm Calm - N/A   Overcast
4:52 AM 77.0 °F - 73.0 °F 88% 29.72 in 10.0 mi ENE 5.8 mph - N/A   Overcast
5:27 AM 77.0 °F - 71.6 °F 83% 29.71 in 10.0 mi ENE 3.5 mph - N/A   Overcast
5:52 AM 78.1 °F - 72.0 °F 81% 29.71 in 10.0 mi Calm Calm - N/A   Overcast
6:52 AM 77.0 °F - 72.0 °F 84% 29.72 in 10.0 mi NNW 9.2 mph - N/A   Mostly Cloudy
6:58 AM 77.0 °F - 71.6 °F 83% 29.72 in 10.0 mi NW 9.2 mph - N/A   Overcast
7:16 AM 78.8 °F - 69.8 °F 74% 29.72 in 10.0 mi NNW 5.8 mph - N/A   Overcast
7:52 AM 78.1 °F - 70.0 °F 76% 29.73 in 10.0 mi NNW 6.9 mph - N/A   Mostly Cloudy
8:52 AM 79.0 °F - 70.0 °F 74% 29.73 in 10.0 mi WNW 5.8 mph - N/A   Mostly Cloudy
9:52 AM 81.0 °F 84.1 °F 69.1 °F 67% 29.72 in 10.0 mi WNW 6.9 mph - N/A   Mostly Cloudy
10:52 AM 82.9 °F 86.5 °F 69.1 °F 63% 29.71 in 10.0 mi NW 9.2 mph - N/A   Mostly Cloudy
11:52 AM 84.9 °F 88.2 °F 68.0 °F 57% 29.71 in 10.0 mi WNW 9.2 mph 16.1 mph N/A   Mostly Cloudy
12:52 PM 84.9 °F 87.6 °F 66.9 °F 55% 29.71 in 10.0 mi West 11.5 mph 21.9 mph N/A   Mostly Cloudy
1:52 PM 87.1 °F 89.9 °F 66.9 °F 51% 29.70 in 10.0 mi West 13.8 mph - N/A   Mostly Cloudy
2:52 PM 86.0 °F 88.2 °F 66.0 °F 51% 29.70 in 10.0 mi West 12.7 mph 20.7 mph N/A   Mostly Cloudy
3:27 PM 87.8 °F 90.4 °F 66.2 °F 49% 29.69 in 10.0 mi West 16.1 mph 21.9 mph N/A   Mostly Cloudy
3:52 PM 89.1 °F 91.3 °F 66.0 °F 46% 29.68 in 10.0 mi NW 11.5 mph - N/A   Mostly Cloudy
4:52 PM 87.1 °F 89.2 °F 66.0 °F 49% 29.68 in 10.0 mi WNW 16.1 mph 23.0 mph N/A   Mostly Cloudy
5:52 PM 88.0 °F 89.3 °F 64.0 °F 45% 29.66 in 10.0 mi WNW 11.5 mph 21.9 mph N/A   Scattered Clouds
6:52 PM 87.1 °F 88.3 °F 64.0 °F 46% 29.67 in 10.0 mi NW 15.0 mph 20.7 mph N/A   Scattered Clouds
7:52 PM 84.9 °F 86.1 °F 64.0 °F 49% 29.68 in 10.0 mi NNW 9.2 mph - N/A   Scattered Clouds
8:52 PM 84.0 °F 85.4 °F 64.0 °F 51% 29.69 in 10.0 mi NNW 6.9 mph - N/A   Scattered Clouds
9:52 PM 82.9 °F 84.6 °F 64.9 °F 54% 29.70 in 10.0 mi WSW 4.6 mph - N/A   Mostly Cloudy
10:52 PM 82.0 °F 83.8 °F 64.9 °F 56% 29.70 in 10.0 mi SW 5.8 mph - N/A   Mostly Cloudy
11:52 PM 80.1 °F 82.1 °F 66.0 °F 62% 29.72 in 10.0 mi SSW 6.9 mph - N/A   Mostly Cloudy