Weather History for KDCA - September, 2013

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Sunday, September 1, 2013

  Actual Average Record
Temperature  
Mean Temperature 83 °F 76 °F  
Max Temperature 93 °F 84 °F 99 °F (1953)
Min Temperature 72 °F 67 °F 50 °F (1890)
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 18 11  
Month to date cooling degree days 18 11  
Year to date cooling degree days 1448 1322  
Growing Degree Days 32 (Base 50)    
Moisture  
Dew Point 69 °F    
Average Humidity 63    
Maximum Humidity 84    
Minimum Humidity 41    
Precipitation  
Precipitation 0.01 in 0.10 in 2.82 in (1952)
Month to date precipitation 0.01 0.10  
Year to date precipitation 28.33 26.50  
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 29.82 in    
Wind  
Wind Speed 7 mph (SSW)    
Max Wind Speed 18 mph    
Max Gust Speed 23 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Sep. 01, 2013 Rise Set
Actual Time 6:37 AM EDT 7:38 PM EDT
Civil Twilight 6:10 AM EDT 8:05 PM EDT
Nautical Twilight 5:37 AM EDT 8:37 PM EDT
Astronomical Twilight 5:03 AM EDT 9:11 PM EDT
Moon 2:58 AM EDT (9/1) 5:13 PM EDT (9/1)
Length of Visible Light 13h 55m
Length of Day
13h 00m
Waning Crescent, 14% of the Moon is Illuminated
Sep 1
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 75.9 °F - 68.0 °F 76% 29.86 in 10.0 mi SW 9.2 mph - N/A   Scattered Clouds
1:52 AM 75.9 °F - 68.0 °F 76% 29.84 in 10.0 mi SSW 10.4 mph - N/A   Scattered Clouds
2:52 AM 75.0 °F - 68.0 °F 79% 29.82 in 10.0 mi SW 6.9 mph - N/A   Partly Cloudy
3:52 AM 73.0 °F - 68.0 °F 84% 29.82 in 10.0 mi SW 4.6 mph - N/A   Scattered Clouds
4:52 AM 73.0 °F - 68.0 °F 84% 29.82 in 10.0 mi SW 4.6 mph - N/A   Partly Cloudy
5:52 AM 73.0 °F - 66.9 °F 81% 29.84 in 10.0 mi SW 3.5 mph - N/A   Scattered Clouds
6:52 AM 73.0 °F - 66.9 °F 81% 29.85 in 10.0 mi SSW 4.6 mph - N/A   Scattered Clouds
7:52 AM 75.0 °F - 66.9 °F 76% 29.85 in 10.0 mi SW 5.8 mph - N/A   Scattered Clouds
8:52 AM 77.0 °F - 66.9 °F 71% 29.86 in 10.0 mi SSW 5.8 mph - N/A   Mostly Cloudy
9:52 AM 79.0 °F - 69.1 °F 72% 29.86 in 10.0 mi South 8.1 mph - N/A   Mostly Cloudy
10:52 AM 82.0 °F 85.5 °F 69.1 °F 65% 29.86 in 10.0 mi South 5.8 mph - N/A   Mostly Cloudy
11:52 AM 84.9 °F 87.6 °F 66.9 °F 55% 29.85 in 10.0 mi ENE 3.5 mph - N/A   Mostly Cloudy
12:52 PM 88.0 °F 91.4 °F 68.0 °F 51% 29.83 in 10.0 mi South 8.1 mph - N/A   Mostly Cloudy
1:52 PM 90.0 °F 92.8 °F 66.9 °F 46% 29.82 in 10.0 mi SSE 8.1 mph - N/A   Mostly Cloudy
2:52 PM 91.9 °F 95.9 °F 68.0 °F 45% 29.80 in 10.0 mi South 8.1 mph - N/A   Scattered Clouds
3:52 PM 91.0 °F 95.2 °F 68.0 °F 47% 29.78 in 10.0 mi South 11.5 mph - N/A   Scattered Clouds
4:52 PM 91.9 °F 94.1 °F 64.9 °F 41% 29.78 in 10.0 mi South 9.2 mph - N/A   Mostly Cloudy
5:52 PM 89.1 °F 92.1 °F 66.9 °F 48% 29.77 in 10.0 mi South 8.1 mph - N/A   Mostly Cloudy
6:52 PM 87.1 °F 92.0 °F 70.0 °F 57% 29.78 in 10.0 mi SSW 6.9 mph - N/A   Mostly Cloudy
7:52 PM 84.9 °F 92.1 °F 73.9 °F 69% 29.77 in 10.0 mi South 6.9 mph - N/A   Mostly Cloudy
8:52 PM 82.9 °F 88.8 °F 73.0 °F 72% 29.80 in 10.0 mi SSW 4.6 mph - N/A   Mostly Cloudy
9:52 PM 82.9 °F 88.0 °F 72.0 °F 69% 29.80 in 10.0 mi South 6.9 mph - N/A   Overcast
10:52 PM 82.9 °F 88.8 °F 73.0 °F 72% 29.80 in 10.0 mi SE 3.5 mph - N/A   Overcast
11:52 PM 82.0 °F 87.4 °F 73.0 °F 74% 29.80 in 10.0 mi SSW 4.6 mph - N/A   Overcast