Weather History for Washington, DC

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Wednesday, January 16, 2013

  Actual Average Record
Temperature  
Mean Temperature 40 °F 36 °F  
Max Temperature 43 °F 43 °F 73 °F (1953)
Min Temperature 37 °F 28 °F 2 °F (1893)
Degree Days  
Heating Degree Days 25 29  
Month to date heating degree days 361 464  
Since 1 July heating degree days 1675 1945  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 36 °F    
Average Humidity 87    
Maximum Humidity 92    
Minimum Humidity 82    
Precipitation  
Precipitation 0.29 in 0.09 in 1.00 in (1909)
Month to date precipitation 1.20 1.44  
Year to date precipitation 1.20 1.44  
Snow  
Snow 0.00 in 0.20 in 2.20 in (1965)
Month to date snowfall T 2.4  
Since 1 July snowfall 0.2 5.2  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.04 in    
Wind  
Wind Speed 6 mph (ENE)    
Max Wind Speed 17 mph    
Max Gust Speed 21 mph    
Visibility 8 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Jan. 16, 2013 Rise Set
Actual Time 7:24 AM EST 5:11 PM EST
Civil Twilight 6:55 AM EST 5:40 PM EST
Nautical Twilight 6:22 AM EST 6:13 PM EST
Astronomical Twilight 5:50 AM EST 6:45 PM EST
Moon 10:03 AM EST (1/16) 10:57 PM EST (1/16)
Length of Visible Light 10h 45m
Length of Day
9h 47m
Waxing Crescent, 28% of the Moon is Illuminated
Jan 16
Waxing Crescent
Jan 18
First Quarter
Jan 26
Full
Feb 3
Last Quarter
Feb 10
New

Hourly Weather History & Observations

Time (EST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:05 AM 37.4 °F 31.4 °F 33.8 °F 87% 30.18 in 3.0 mi NE 8.1 mph - 0.02 in Rain Light Rain
12:47 AM 37.4 °F 30.3 °F 33.8 °F 87% 30.14 in 4.0 mi NE 10.4 mph - 0.06 in Rain Light Rain
12:52 AM 37.0 °F 29.8 °F 34.0 °F 89% 30.14 in 4.0 mi NE 10.4 mph - 0.07 in Rain Light Rain
1:12 AM 37.4 °F 29.8 °F 33.8 °F 87% 30.13 in 3.0 mi NNE 11.5 mph - 0.01 in Rain Light Rain
1:52 AM 37.0 °F 29.8 °F 34.0 °F 89% 30.14 in 4.0 mi NNE 10.4 mph - 0.06 in Rain Light Rain
2:12 AM 37.4 °F 30.8 °F 33.8 °F 87% 30.16 in 4.0 mi North 9.2 mph - 0.02 in Rain Light Rain
2:44 AM 37.4 °F 30.8 °F 33.8 °F 87% 30.16 in 3.0 mi North 9.2 mph - 0.06 in Rain Light Rain
2:52 AM 37.0 °F 31.0 °F 34.0 °F 89% 30.16 in 4.0 mi North 8.1 mph - 0.07 in Rain Light Rain
3:04 AM 37.4 °F 32.1 °F 33.8 °F 87% 30.16 in 5.0 mi North 6.9 mph - 0.01 in Rain Light Rain
3:17 AM 37.4 °F 32.1 °F 33.8 °F 87% 30.14 in 7.0 mi NNE 6.9 mph - 0.01 in Rain Light Rain
3:24 AM 37.4 °F 31.4 °F 33.8 °F 87% 30.13 in 8.0 mi NE 8.1 mph - 0.01 in Rain Light Rain
3:45 AM 37.4 °F 32.1 °F 33.8 °F 87% 30.13 in 10.0 mi NE 6.9 mph - 0.01 in Rain Light Rain
3:52 AM 37.0 °F 32.4 °F 34.0 °F 89% 30.12 in 10.0 mi NE 5.8 mph - 0.01 in Rain Light Rain
4:52 AM 37.0 °F 32.4 °F 34.0 °F 89% 30.06 in 10.0 mi East 5.8 mph - 0.00 in Rain Light Rain
5:52 AM 37.0 °F - 33.1 °F 86% 30.08 in 10.0 mi Calm Calm - 0.00 in Rain Light Rain
6:41 AM 37.4 °F 32.8 °F 33.8 °F 87% 30.09 in 10.0 mi NNE 5.8 mph - N/A Rain Light Rain
6:52 AM 37.9 °F 32.7 °F 34.0 °F 86% 30.07 in 10.0 mi North 6.9 mph - 0.00 in Rain Light Rain
7:52 AM 37.9 °F 35.5 °F 34.0 °F 86% 30.06 in 7.0 mi ENE 3.5 mph - 0.00 in Rain Light Rain
8:19 AM 37.4 °F 33.8 °F 33.8 °F 87% 30.04 in 8.0 mi NE 4.6 mph - 0.01 in Rain Light Rain
8:52 AM 37.9 °F - 33.1 °F 83% 30.06 in 5.0 mi Calm Calm - 0.02 in Rain Light Rain
9:34 AM 37.4 °F - 35.6 °F 93% 30.07 in 5.0 mi Calm Calm - 0.02 in Rain Light Rain
9:52 AM 39.0 °F 34.8 °F 35.1 °F 86% 30.05 in 5.0 mi South 5.8 mph - 0.03 in Rain Light Rain
10:01 AM 39.2 °F 35.0 °F 35.6 °F 87% 30.05 in 6.0 mi SW 5.8 mph - 0.00 in Rain Light Rain
10:52 AM 39.9 °F 34.5 °F 36.0 °F 86% 30.04 in 8.0 mi SSW 8.1 mph - 0.01 in Rain Light Rain
11:52 AM 39.9 °F 33.9 °F 36.0 °F 86% 29.94 in 10.0 mi South 9.2 mph - 0.00 in   Overcast
12:34 PM 39.2 °F 30.5 °F 37.4 °F 93% 29.89 in 10.0 mi South 16.1 mph - N/A   Overcast
12:43 PM 39.2 °F 32.5 °F 37.4 °F 93% 29.89 in 10.0 mi SSW 10.4 mph - N/A   Overcast
12:52 PM 39.9 °F 31.4 °F 37.0 °F 89% 29.88 in 10.0 mi SSW 16.1 mph 19.6 mph N/A   Overcast
1:25 PM 41.0 °F 35.8 °F 37.4 °F 87% 29.88 in 10.0 mi SW 8.1 mph - N/A   Overcast
1:52 PM 41.0 °F 37.1 °F 37.0 °F 86% 29.92 in 10.0 mi WSW 5.8 mph - N/A   Overcast
2:52 PM 42.1 °F 39.2 °F 37.9 °F 85% 29.94 in 8.0 mi WNW 4.6 mph - 0.00 in Rain Light Rain
3:52 PM 42.1 °F 38.4 °F 37.9 °F 85% 29.95 in 10.0 mi SSE 5.8 mph - 0.01 in Rain Light Rain
4:00 PM 42.8 °F 41.1 °F 37.4 °F 81% 29.97 in 10.0 mi Variable 3.5 mph - 0.01 in Rain Light Rain
4:16 PM 42.8 °F 41.1 °F 37.4 °F 81% 29.96 in 10.0 mi Variable 3.5 mph - 0.01 in Rain Light Rain
4:52 PM 42.1 °F 38.4 °F 37.9 °F 85% 29.96 in 10.0 mi South 5.8 mph - 0.01 in Rain Light Rain
5:52 PM 43.0 °F 40.3 °F 39.0 °F 86% 30.00 in 10.0 mi WSW 4.6 mph - 0.00 in   Overcast
6:52 PM 42.1 °F 39.2 °F 39.0 °F 89% 29.98 in 10.0 mi SSW 4.6 mph - N/A   Mostly Cloudy
7:52 PM 43.0 °F 38.8 °F 39.0 °F 86% 30.01 in 10.0 mi SSW 6.9 mph - N/A   Overcast
8:52 PM 43.0 °F 40.3 °F 39.0 °F 86% 30.00 in 10.0 mi SW 4.6 mph - N/A   Overcast
9:46 PM 42.8 °F 38.0 °F 39.2 °F 87% 30.00 in 10.0 mi SSW 8.1 mph - 0.00 in   Overcast
9:52 PM 43.0 °F 39.5 °F 39.9 °F 89% 29.99 in 10.0 mi SSW 5.8 mph - 0.00 in   Overcast
10:52 PM 43.0 °F - 39.9 °F 89% 29.99 in 10.0 mi Calm Calm - 0.00 in Rain Light Rain
11:52 PM 43.0 °F - 39.9 °F 89% 29.99 in 10.0 mi Calm Calm - 0.01 in Rain Light Rain