Weather History for Washington, DC

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Tuesday, October 23, 2012

  Actual Average Record
Temperature  
Mean Temperature 65 °F 57 °F  
Max Temperature 78 °F 66 °F 85 °F (1978)
Min Temperature 52 °F 48 °F 33 °F (1969)
Degree Days  
Heating Degree Days 0 8  
Month to date heating degree days 105 128  
Since 1 July heating degree days 110 152  
Cooling Degree Days 0 0  
Month to date cooling degree days 35 33  
Year to date cooling degree days 1965 1546  
Growing Degree Days 15 (Base 50)    
Moisture  
Dew Point 52 °F    
Average Humidity 63    
Maximum Humidity 86    
Minimum Humidity 40    
Precipitation  
Precipitation 0.00 in 0.10 in 3.31 in (1878)
Month to date precipitation 0.98 2.51  
Year to date precipitation 23.98 32.63  
Snow  
Snow 0.00 in 0.00 in T in (1889)
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 30.10 in    
Wind  
Wind Speed 4 mph (SSW)    
Max Wind Speed 10 mph    
Max Gust Speed 13 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Oct. 23, 2012 Rise Set
Actual Time 7:26 AM EDT 6:18 PM EDT
Civil Twilight 6:58 AM EDT 6:45 PM EDT
Nautical Twilight 6:27 AM EDT 7:16 PM EDT
Astronomical Twilight 5:56 AM EDT 7:47 PM EDT
Moon 2:57 PM EDT (10/23) 1:19 AM EDT (10/23)
Length of Visible Light 11h 46m
Length of Day
10h 51m
Waxing Gibbous, 66% of the Moon is Illuminated
Oct 23
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 57.0 °F 53.1 °F 87% 30.13 in 10.0 mi South 6.9 mph - N/A   Clear
2:52 AM 55.9 °F 51.1 °F 84% 30.12 in 10.0 mi SSW 5.8 mph - N/A   Partly Cloudy
3:52 AM 55.9 °F 48.9 °F 77% 30.12 in 10.0 mi SSW 5.8 mph - N/A   Scattered Clouds
4:52 AM 54.0 °F 46.9 °F 77% 30.11 in 10.0 mi SW 4.6 mph - N/A   Scattered Clouds
6:52 AM 52.0 °F 46.9 °F 83% 30.12 in 10.0 mi SW 3.5 mph - N/A   Mostly Cloudy
7:52 AM 55.0 °F 48.9 °F 80% 30.14 in 10.0 mi SW 4.6 mph - N/A   Overcast
8:52 AM 57.9 °F 48.9 °F 72% 30.15 in 10.0 mi SSW 3.5 mph - N/A   Overcast
9:52 AM 60.1 °F 51.1 °F 72% 30.15 in 10.0 mi South 4.6 mph - N/A   Overcast
10:52 AM 64.4 °F 50.0 °F 59% 30.14 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
11:52 AM 70.0 °F 51.1 °F 51% 30.13 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
12:52 PM 72.0 °F 50.0 °F 46% 30.11 in 10.0 mi South 3.5 mph - N/A   Overcast
1:52 PM 73.9 °F 50.0 °F 43% 30.08 in 10.0 mi Calm Calm - N/A   Overcast
2:52 PM 77.0 °F 52.0 °F 42% 30.06 in 10.0 mi South 6.9 mph - N/A   Mostly Cloudy
3:52 PM 77.0 °F 52.0 °F 42% 30.04 in 10.0 mi South 9.2 mph - N/A   Mostly Cloudy
4:52 PM 77.0 °F 54.0 °F 45% 30.05 in 10.0 mi South 3.5 mph - N/A   Mostly Cloudy
5:52 PM 77.0 °F 51.1 °F 40% 30.05 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
6:52 PM 72.0 °F 54.0 °F 53% 30.06 in 10.0 mi SSE 3.5 mph - N/A   Mostly Cloudy
7:52 PM 72.0 °F 55.0 °F 55% 30.07 in 10.0 mi South 3.5 mph - N/A   Mostly Cloudy
8:52 PM 68.0 °F 55.9 °F 65% 30.07 in 10.0 mi SSW 5.8 mph - N/A   Mostly Cloudy
9:52 PM 66.0 °F 55.9 °F 70% 30.08 in 10.0 mi North - - N/A   Mostly Cloudy
10:52 PM 66.0 °F 55.0 °F 68% 30.08 in 10.0 mi SSW 4.6 mph - N/A   Mostly Cloudy
11:52 PM 64.9 °F 55.9 °F 73% 30.08 in 10.0 mi SSW 4.6 mph - N/A   Mostly Cloudy