Weather History for KIAD - July, 2013

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Wednesday, July 10, 2013

  Actual Average Record
Temperature  
Mean Temperature 82 °F -  
Max Temperature 89 °F - 99 °F (1988)
Min Temperature 74 °F - 53 °F (1963)
Degree Days  
Heating Degree Days 0    
Month to date heating degree days 0  
Since 1 June heating degree days 0  
Since 1 July heating degree days 0  
Cooling Degree Days 17    
Month to date cooling degree days 149  
Year to date cooling degree days 544 155  
Since 1 June cooling degree days 405  
Growing Degree Days 31 (Base 50)    
Moisture  
Dew Point 72 °F    
Average Humidity 77    
Maximum Humidity 94    
Minimum Humidity 59    
Precipitation  
Precipitation T in - 1.63 in (1995)
Month to date precipitation 0.91  
Year to date precipitation 19.54  
Snow  
Snow 0.00 in - - ()
Month to date snowfall 0.0  
Since 1 July snowfall 0.0  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.95 in    
Wind  
Wind Speed 7 mph (SSW)    
Max Wind Speed 18 mph    
Max Gust Speed 24 mph    
Visibility 8 miles    
Events Rain , Thunderstorm    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Jul. 10, 2013 Rise Set
Actual Time 5:53 AM EDT 8:36 PM EDT
Civil Twilight 5:21 AM EDT 9:08 PM EDT
Nautical Twilight 4:42 AM EDT 9:47 PM EDT
Astronomical Twilight 3:57 AM EDT 10:31 PM EDT
Moon 8:10 AM EDT (7/10) 9:47 PM EDT (7/10)
Length of Visible Light 15h 46m
Length of Day
14h 43m
Waxing Crescent, 5% of the Moon is Illuminated
Jul 10
Waxing Crescent
Jul 15
First Quarter
Jul 22
Full
Jul 29
Last Quarter
Aug 6
New

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 - 73.0 °F 82% 30.00 in 10.0 mi South 9.2 mph - N/A   Mostly Cloudy
1:52 AM 77.0 °F - 73.0 °F 88% 29.99 in 10.0 mi SSW 8.1 mph - N/A   Mostly Cloudy
2:52 AM 75.9 °F - 73.0 °F 91% 29.99 in 10.0 mi SSW 4.6 mph - N/A   Overcast
3:52 AM 75.0 °F - 72.0 °F 90% 29.98 in 9.0 mi Calm Calm - N/A   Scattered Clouds
4:52 AM 75.0 °F - 73.0 °F 94% 29.98 in 9.0 mi SSW 5.8 mph - N/A   Overcast
5:52 AM 75.0 °F - 72.0 °F 90% 29.98 in 8.0 mi South 4.6 mph - N/A   Mostly Cloudy
6:52 AM 75.0 °F - 72.0 °F 90% 29.99 in 9.0 mi SSW 10.4 mph - N/A   Mostly Cloudy
7:21 AM 75.2 °F - 73.4 °F 94% 30.01 in 3.0 mi West 5.8 mph - N/A   Overcast
7:25 AM 75.2 °F - 73.4 °F 94% 30.00 in 3.0 mi West 5.8 mph - N/A   Overcast
7:37 AM 75.2 °F - 73.4 °F 94% 30.00 in 3.0 mi South 3.5 mph - 0.00 in Rain Light Rain
7:52 AM 75.0 °F - 73.0 °F 94% 29.99 in 3.0 mi South 3.5 mph - 0.00 in Rain Light Rain
8:52 AM 77.0 °F - 73.0 °F 88% 29.99 in 3.0 mi WSW 5.8 mph - 0.00 in   Overcast
9:09 AM 77.0 °F - 73.4 °F 89% 30.00 in 7.0 mi SSW 6.9 mph - N/A   Overcast
9:52 AM 78.1 °F - 73.0 °F 84% 29.99 in 7.0 mi SSW 6.9 mph - N/A   Overcast
10:52 AM 79.0 °F - 73.0 °F 82% 30.00 in 10.0 mi SSW 6.9 mph - N/A   Overcast
11:52 AM 79.0 °F - 73.9 °F 84% 30.00 in 10.0 mi South 5.8 mph - N/A   Overcast
12:52 PM 82.0 °F 87.9 °F 73.9 °F 76% 29.98 in 10.0 mi SSW 4.6 mph - 0.00 in   Overcast
1:52 PM 86.0 °F 92.2 °F 72.0 °F 63% 29.96 in 10.0 mi SSW 12.7 mph - N/A   Mostly Cloudy
2:52 PM 84.9 °F 91.4 °F 73.0 °F 67% 29.92 in 10.0 mi SW 8.1 mph - N/A   Overcast
3:52 PM 87.1 °F 93.6 °F 72.0 °F 61% 29.88 in 10.0 mi SSW 15.0 mph - N/A   Mostly Cloudy
4:52 PM 86.0 °F 91.5 °F 71.1 °F 61% 29.88 in 10.0 mi SSW 9.2 mph - N/A   Mostly Cloudy
5:52 PM 87.1 °F 94.5 °F 73.0 °F 63% 29.87 in 10.0 mi SSW 8.1 mph - N/A   Mostly Cloudy
6:52 PM 84.9 °F 91.4 °F 73.0 °F 67% 29.88 in 10.0 mi South 6.9 mph - N/A   Mostly Cloudy
7:19 PM 82.4 °F 87.2 °F 71.6 °F 70% 29.91 in 10.0 mi SSW 17.3 mph 24.2 mph N/A Thunderstorm Thunderstorm
7:52 PM 77.0 °F - 68.0 °F 74% 29.91 in 10.0 mi South 9.2 mph - N/A Thunderstorm Thunderstorm
8:04 PM 78.8 °F - 69.8 °F 74% 29.91 in 10.0 mi SSW 11.5 mph - N/A Thunderstorm Thunderstorm
8:26 PM 77.0 °F - 69.8 °F 78% 29.92 in 10.0 mi South 5.8 mph - N/A   Overcast
8:52 PM 75.0 °F - 70.0 °F 84% 29.92 in 10.0 mi South 10.4 mph - N/A   Overcast
9:52 PM 73.9 °F - 70.0 °F 87% 29.90 in 10.0 mi South 9.2 mph - N/A   Mostly Cloudy
10:52 PM 73.9 °F - 70.0 °F 87% 29.89 in 10.0 mi SSW 9.2 mph - N/A   Mostly Cloudy
11:52 PM 73.9 °F - 69.1 °F 85% 29.88 in 10.0 mi SSW 5.8 mph - N/A   Overcast