Weather History for Washington, DC

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Saturday, October 27, 2012

  Actual Average Record
Temperature  
Mean Temperature 65 °F 56 °F  
Max Temperature 70 °F 65 °F 83 °F (1963)
Min Temperature 59 °F 47 °F 30 °F (1962)
Degree Days  
Heating Degree Days 0 9  
Month to date heating degree days 105 164  
Since 1 July heating degree days 110 188  
Cooling Degree Days 0 0  
Month to date cooling degree days 45 33  
Year to date cooling degree days 1975 1546  
Growing Degree Days 14 (Base 50)    
Moisture  
Dew Point 54 °F    
Average Humidity 67    
Maximum Humidity 90    
Minimum Humidity 44    
Precipitation  
Precipitation T in 0.11 in 1.75 in (1937)
Month to date precipitation 0.98 2.94  
Year to date precipitation 23.98 33.06  
Snow  
Snow 0.00 in 0.00 in T in (1957)
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 29.95 in    
Wind  
Wind Speed 10 mph (NE)    
Max Wind Speed 17 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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Astronomy

Oct. 27, 2012 Rise Set
Actual Time 7:30 AM EDT 6:12 PM EDT
Civil Twilight 7:02 AM EDT 6:40 PM EDT
Nautical Twilight 6:31 AM EDT 7:11 PM EDT
Astronomical Twilight 6:00 AM EDT 7:42 PM EDT
Moon 4:57 PM EDT (10/27) 5:24 AM EDT (10/27)
Length of Visible Light 11h 37m
Length of Day
10h 42m
Waxing Gibbous, 96% of the Moon is Illuminated
Oct 27
Waxing Gibbous
Oct 29
Full
Nov 6
Last Quarter
Nov 13
New
Nov 20
First 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 61.0 °F 57.0 °F 87% 30.04 in 10.0 mi NE 5.8 mph - N/A   Mostly Cloudy
1:52 AM 61.0 °F 57.0 °F 87% 30.03 in 10.0 mi NE 5.8 mph - N/A   Overcast
2:52 AM 60.1 °F 57.0 °F 90% 30.01 in 10.0 mi NE 8.1 mph - N/A   Overcast
3:52 AM 60.1 °F 57.0 °F 90% 29.99 in 10.0 mi ENE 6.9 mph - N/A   Mostly Cloudy
4:52 AM 60.1 °F 57.0 °F 90% 29.98 in 10.0 mi NE 6.9 mph - N/A   Overcast
5:52 AM 60.1 °F 55.9 °F 86% 29.98 in 10.0 mi ENE 8.1 mph - N/A   Overcast
6:52 AM 60.1 °F 55.0 °F 83% 29.98 in 10.0 mi NE 8.1 mph - N/A   Overcast
7:52 AM 59.0 °F 54.0 °F 83% 29.99 in 10.0 mi NNE 8.1 mph - N/A   Mostly Cloudy
8:52 AM 60.1 °F 54.0 °F 80% 29.99 in 10.0 mi NE 10.4 mph - N/A   Mostly Cloudy
9:52 AM 61.0 °F 54.0 °F 78% 30.00 in 10.0 mi NE 10.4 mph - N/A   Mostly Cloudy
10:52 AM 64.4 °F 55.4 °F 73% 29.98 in 10.0 mi NE 11.5 mph - N/A   Mostly Cloudy
11:52 AM 66.9 °F 54.0 °F 63% 29.97 in 10.0 mi ENE 11.5 mph - N/A   Mostly Cloudy
12:52 PM 69.1 °F 51.1 °F 53% 29.94 in 10.0 mi ENE 10.4 mph - N/A   Mostly Cloudy
1:52 PM 70.0 °F 46.9 °F 44% 29.92 in 10.0 mi ENE 10.4 mph - N/A   Mostly Cloudy
2:52 PM 69.1 °F 48.9 °F 49% 29.90 in 10.0 mi ENE 10.4 mph - N/A   Mostly Cloudy
3:52 PM 66.9 °F 51.1 °F 57% 29.89 in 10.0 mi ENE 11.5 mph - N/A   Overcast
4:52 PM 66.0 °F 53.1 °F 63% 29.90 in 10.0 mi NE 11.5 mph - N/A   Overcast
5:52 PM 64.9 °F 52.0 °F 63% 29.90 in 10.0 mi NE 10.4 mph - N/A   Overcast
6:52 PM 64.0 °F 52.0 °F 65% 29.88 in 10.0 mi NE 11.5 mph - N/A   Overcast
7:52 PM 64.0 °F 53.1 °F 67% 29.88 in 10.0 mi ENE 12.7 mph - N/A   Overcast
8:52 PM 63.0 °F 53.1 °F 70% 29.87 in 10.0 mi NNE 11.5 mph - N/A   Overcast
9:52 PM 63.0 °F 53.1 °F 70% 29.87 in 10.0 mi NNE 9.2 mph - N/A   Overcast
10:52 PM 62.1 °F 53.1 °F 72% 29.88 in 10.0 mi NE 10.4 mph - N/A   Overcast
11:52 PM 62.1 °F 52.0 °F 70% 29.86 in 10.0 mi ENE 16.1 mph - N/A   Overcast