Weather History for KIAD - February, 2013

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Wednesday, February 6, 2013

  Actual Average Record
Temperature  
Mean Temperature 37 °F 35 °F  
Max Temperature 46 °F 45 °F 71 °F (2008)
Min Temperature 28 °F 25 °F -9 °F (1996)
Degree Days  
Heating Degree Days 28 30  
Month to date heating degree days 213 185  
Since 1 July heating degree days 2749 2969  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 25 °F    
Average Humidity 69    
Maximum Humidity 92    
Minimum Humidity 45    
Precipitation  
Precipitation T in 0.10 in 1.98 in (2010)
Month to date precipitation 0.02 0.59  
Year to date precipitation 3.72 3.27  
Snow  
Snow 0.00 in 0.30 in 17.50 in (2010)
Month to date snowfall 0.6 1.9  
Since 1 July snowfall 4.6 13.2  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.16 in    
Wind  
Wind Speed 9 mph (NNW)    
Max Wind Speed 22 mph    
Max Gust Speed 28 mph    
Visibility 9 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Feb. 06, 2013 Rise Set
Actual Time 7:11 AM EST 5:37 PM EST
Civil Twilight 6:43 AM EST 6:05 PM EST
Nautical Twilight 6:11 AM EST 6:36 PM EST
Astronomical Twilight 5:40 AM EST 7:07 PM EST
Moon 3:51 AM EST (2/6) 1:54 PM EST (2/6)
Length of Visible Light 11h 21m
Length of Day
10h 26m
Waning Crescent, 17% of the Moon is Illuminated
Feb 6
Waning Crescent
Feb 10
New
Feb 17
First Quarter
Feb 25
Full
Mar 4
Last Quarter

Hourly Weather History & Observations

Time (EST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:52 AM 33.1 °F - 28.9 °F 85% 29.95 in 8.0 mi Calm Calm - N/A   Overcast
1:52 AM 32.0 °F - 28.9 °F 88% 29.95 in 5.0 mi Calm Calm - 0.00 in Rain Light Rain
2:52 AM 33.1 °F - 28.9 °F 85% 29.95 in 7.0 mi Calm Calm - 0.00 in   Mostly Cloudy
3:52 AM 32.0 °F - 28.0 °F 85% 29.97 in 7.0 mi Calm Calm - N/A   Overcast
4:52 AM 32.0 °F - 30.0 °F 92% 30.01 in 7.0 mi Calm Calm - N/A   Overcast
5:52 AM 32.0 °F - 28.9 °F 88% 30.04 in 8.0 mi Calm Calm - N/A   Mostly Cloudy
6:52 AM 30.0 °F 26.5 °F 27.0 °F 88% 30.08 in 7.0 mi SSW 3.5 mph - N/A   Partly Cloudy
7:52 AM 37.4 °F 28.2 °F 28.4 °F 70% 30.11 in 10.0 mi NNW 16.1 mph 20.7 mph N/A   Scattered Clouds
8:52 AM 39.9 °F 30.8 °F 26.1 °F 58% 30.14 in 10.0 mi NNW 18.4 mph 27.6 mph N/A   Scattered Clouds
9:52 AM 41.0 °F 31.6 °F 27.0 °F 57% 30.17 in 10.0 mi NW 20.7 mph 27.6 mph N/A   Scattered Clouds
10:52 AM 42.1 °F 34.9 °F 27.0 °F 55% 30.20 in 10.0 mi NW 13.8 mph - N/A   Mostly Cloudy
11:52 AM 41.0 °F 34.7 °F 24.1 °F 51% 30.21 in 10.0 mi NW 10.4 mph - N/A   Mostly Cloudy
12:52 PM 44.1 °F 36.8 °F 24.1 °F 45% 30.20 in 10.0 mi NW 16.1 mph 24.2 mph N/A   Scattered Clouds
1:52 PM 45.0 °F 38.9 °F 24.1 °F 44% 30.20 in 10.0 mi NNW 12.7 mph 23.0 mph N/A   Scattered Clouds
2:52 PM 45.0 °F 38.2 °F 25.0 °F 46% 30.21 in 10.0 mi NW 15.0 mph 21.9 mph N/A   Partly Cloudy
3:52 PM 45.0 °F 38.9 °F 25.0 °F 46% 30.22 in 10.0 mi NW 12.7 mph - N/A   Clear
4:52 PM 42.1 °F 35.2 °F 24.1 °F 49% 30.24 in 10.0 mi NNW 12.7 mph - N/A   Clear
5:52 PM 39.9 °F 32.9 °F 24.1 °F 53% 30.27 in 10.0 mi North 11.5 mph - N/A   Partly Cloudy
6:52 PM 37.0 °F 29.3 °F 23.0 °F 57% 30.29 in 10.0 mi North 11.5 mph - N/A   Clear
7:52 PM 36.0 °F 29.6 °F 23.0 °F 59% 30.30 in 10.0 mi North 8.1 mph - N/A   Clear
8:52 PM 35.1 °F 27.4 °F 23.0 °F 61% 30.32 in 10.0 mi North 10.4 mph - N/A   Clear
9:52 PM 32.0 °F 26.4 °F 21.9 °F 66% 30.34 in 10.0 mi NNE 5.8 mph - N/A   Clear
10:52 PM 32.0 °F 26.4 °F 19.9 °F 61% 30.35 in 10.0 mi NE 5.8 mph - N/A   Clear
11:52 PM 28.0 °F 24.2 °F 19.9 °F 72% 30.34 in 10.0 mi ESE 3.5 mph - N/A   Clear