Weather History for Washington, DC

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Saturday, June 16, 2012

  Actual Average Record
Temperature  
Mean Temperature 73 °F 76 °F  
Max Temperature 82 °F 85 °F 99 °F (1994)
Min Temperature 63 °F 67 °F 50 °F (1917)
Degree Days  
Heating Degree Days 0 0  
Month to date heating degree days 0 5  
Since 1 June heating degree days 0 5  
Since 1 July heating degree days 3045 4030  
Cooling Degree Days 8 11  
Month to date cooling degree days 129 138  
Year to date cooling degree days 388 272  
Since 1 June cooling degree days 129 138  
Growing Degree Days 22 (Base 50)    
Moisture  
Dew Point 52 °F    
Average Humidity 51    
Maximum Humidity 67    
Minimum Humidity 34    
Precipitation  
Precipitation 0.00 in 0.13 in 1.64 in (2001)
Month to date precipitation 1.51 2.02  
Year to date precipitation 12.25 17.98  
Snow  
Snow 0.00 in 0.00 in - ()
Month to date snowfall 0.0 0.0  
Since 1 July snowfall 2.0 15.4  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.27 in    
Wind  
Wind Speed 7 mph (East)    
Max Wind Speed 16 mph    
Max Gust Speed 21 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Jun. 16, 2012 Rise Set
Actual Time 5:42 AM EDT 8:35 PM EDT
Civil Twilight 5:10 AM EDT 9:07 PM EDT
Nautical Twilight 4:30 AM EDT 9:47 PM EDT
Astronomical Twilight 3:43 AM EDT 10:34 PM EDT
Moon 3:29 AM EDT (6/16) 6:09 PM EDT (6/16)
Length of Visible Light 15h 57m
Length of Day
14h 53m
Waning Crescent, 8% of the Moon is Illuminated
Jun 16
Waning Crescent
Jun 19
New
Jun 26
First Quarter
Jul 3
Full
Jul 10
Last Quarter

Hourly Weather History & Observations

Time (EDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:52 AM 66.9 °F 50.0 °F 54% 30.28 in 10.0 mi Calm Calm - N/A   Clear
1:52 AM 68.0 °F 50.0 °F 52% 30.28 in 10.0 mi Calm Calm - N/A   Clear
2:52 AM 66.9 °F 52.0 °F 59% 30.28 in 10.0 mi East 3.5 mph - N/A   Clear
3:52 AM 64.9 °F 53.1 °F 65% 30.27 in 10.0 mi East 5.8 mph - N/A   Partly Cloudy
4:52 AM 64.9 °F 54.0 °F 68% 30.28 in 10.0 mi ENE 4.6 mph - N/A   Mostly Cloudy
5:52 AM 64.0 °F 54.0 °F 70% 30.29 in 10.0 mi ENE 8.1 mph - N/A   Scattered Clouds
6:52 AM 64.9 °F 54.0 °F 68% 30.31 in 10.0 mi NE 8.1 mph - N/A   Scattered Clouds
7:52 AM 68.0 °F 55.0 °F 63% 30.33 in 10.0 mi NE 6.9 mph - N/A   Mostly Cloudy
8:52 AM 70.0 °F 55.0 °F 59% 30.35 in 10.0 mi ENE 3.5 mph - N/A   Mostly Cloudy
9:52 AM 73.0 °F 51.1 °F 46% 30.34 in 10.0 mi NE 8.1 mph - N/A   Mostly Cloudy
10:52 AM 75.0 °F 48.9 °F 40% 30.34 in 10.0 mi East 6.9 mph - N/A   Mostly Cloudy
11:52 AM 77.0 °F 51.1 °F 40% 30.32 in 10.0 mi ENE 4.6 mph 16.1 mph N/A   Mostly Cloudy
12:52 PM 80.1 °F 50.0 °F 35% 30.31 in 10.0 mi NE 6.9 mph 17.3 mph N/A   Mostly Cloudy
1:52 PM 80.1 °F 51.1 °F 36% 30.28 in 10.0 mi NE 9.2 mph - N/A   Mostly Cloudy
2:52 PM 82.0 °F 51.1 °F 34% 30.26 in 10.0 mi NE 10.4 mph - N/A   Mostly Cloudy
3:52 PM 81.0 °F 51.1 °F 35% 30.24 in 10.0 mi NE 4.6 mph - N/A   Overcast
4:52 PM 81.0 °F 52.0 °F 36% 30.24 in 10.0 mi ENE 10.4 mph - N/A   Overcast
5:52 PM 80.1 °F 52.0 °F 38% 30.21 in 10.0 mi East 9.2 mph - N/A   Overcast
6:52 PM 78.1 °F 53.1 °F 42% 30.21 in 10.0 mi SE 8.1 mph - N/A   Overcast
7:52 PM 75.9 °F 53.1 °F 45% 30.20 in 10.0 mi ESE 8.1 mph - N/A   Overcast
8:52 PM 73.0 °F 54.0 °F 51% 30.21 in 10.0 mi SE 9.2 mph - N/A   Overcast
9:52 PM 72.0 °F 54.0 °F 53% 30.22 in 10.0 mi SE 12.7 mph - N/A   Mostly Cloudy
10:52 PM 70.0 °F 51.1 °F 51% 30.23 in 10.0 mi SE 12.7 mph - N/A   Mostly Cloudy
11:52 PM 66.9 °F 50.0 °F 54% 30.23 in 10.0 mi South 5.8 mph - N/A   Mostly Cloudy