Weather History for KHEF - February, 2013

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Friday, February 15, 2013

  Actual Average (KIAD) Record (KIAD)
Temperature  
Mean Temperature 40 °F 36 °F  
Max Temperature 57 °F 46 °F 68 °F (1982)
Min Temperature 24 °F 26 °F 7 °F (1965)
Degree Days  
Heating Degree Days 24 29  
Month to date heating degree days 451  
Since 1 July heating degree days 3235  
Cooling Degree Days 0 0  
Month to date cooling degree days 0  
Year to date cooling degree days 0  
Moisture  
Dew Point 32 °F    
Average Humidity 86    
Maximum Humidity 100    
Minimum Humidity 33    
Precipitation  
Precipitation 0.01 in 0.10 in 0.52 in (1992)
Month to date precipitation 1.48  
Year to date precipitation 4.16  
Snow  
Snow 0.00 in 0.30 in 4.20 in (2003)
Month to date snowfall 4.5  
Since 1 July snowfall 15.8  
Snow Depth -    
Sea Level Pressure  
Sea Level Pressure 30.00 in    
Wind  
Wind Speed 4 mph (NNW)    
Max Wind Speed 21 mph    
Max Gust Speed 26 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Feb. 15, 2013 Rise Set
Actual Time 7:00 AM EST 5:48 PM EST
Civil Twilight 6:33 AM EST 6:15 PM EST
Nautical Twilight 6:02 AM EST 6:46 PM EST
Astronomical Twilight 5:31 AM EST 7:17 PM EST
Moon 9:39 AM EST (2/15) 11:42 PM EST (2/15)
Length of Visible Light 11h 41m
Length of Day
10h 47m
Waxing Crescent, 30% of the Moon is Illuminated
Feb 15
Waxing Crescent
Feb 17
First Quarter
Feb 25
Full
Mar 4
Last Quarter
Mar 11
New

Hourly Weather History & Observations

Time (EST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:15 AM 33.8 °F 29.6 °F 30.2 °F 87% 30.01 in 10.0 mi South 4.6 mph - N/A   Clear
12:35 AM 33.8 °F - 30.2 °F 87% 30.00 in 10.0 mi Calm Calm - N/A   Clear
12:55 AM 30.2 °F - 28.4 °F 93% 30.01 in 10.0 mi Calm Calm - N/A   Clear
1:15 AM 30.2 °F - 28.4 °F 93% 30.00 in 10.0 mi Calm Calm - N/A   Clear
1:35 AM 28.4 °F - 26.6 °F 93% 30.00 in 10.0 mi Calm Calm - N/A   Clear
1:55 AM 28.4 °F - 26.6 °F 93% 30.00 in 10.0 mi Calm Calm - N/A   Clear
2:15 AM 26.6 °F - 26.6 °F 100% 30.00 in 10.0 mi Calm Calm - N/A   Clear
2:35 AM 26.6 °F - 26.6 °F 100% 30.00 in 10.0 mi Calm Calm - N/A   Clear
2:55 AM 26.6 °F - 24.8 °F 93% 30.01 in 10.0 mi Calm Calm - N/A   Clear
3:15 AM 26.6 °F - 26.6 °F 100% 30.00 in 10.0 mi Calm Calm - N/A   Clear
3:35 AM 26.6 °F - 24.8 °F 93% 30.00 in 10.0 mi Calm Calm - N/A   Clear
3:55 AM 26.6 °F - 24.8 °F 93% 30.00 in 10.0 mi Calm Calm - N/A   Clear
4:15 AM 26.6 °F - 24.8 °F 93% 30.00 in 10.0 mi Calm Calm - N/A   Clear
4:35 AM 26.6 °F - 24.8 °F 93% 30.00 in 10.0 mi Calm Calm - N/A   Clear
4:55 AM 26.6 °F - 24.8 °F 93% 30.00 in 10.0 mi Calm Calm - N/A   Clear
5:15 AM 24.8 °F - 24.8 °F 100% 30.01 in 10.0 mi Calm Calm - N/A   Clear
5:35 AM 24.8 °F - 23.0 °F 93% 30.01 in 10.0 mi Calm Calm - N/A   Clear
5:55 AM 24.8 °F - 23.0 °F 93% 30.01 in 8.0 mi Calm Calm - N/A   Clear
6:15 AM 24.8 °F - 23.0 °F 93% 30.02 in 10.0 mi Calm Calm - N/A   Clear
6:25 AM 24.8 °F - 24.8 °F 100% 30.02 in 10.0 mi Calm Calm - N/A   Clear
6:50 AM 24.8 °F - 23.0 °F 93% 30.02 in 9.0 mi Calm Calm - N/A   Clear
7:45 AM 28.4 °F - 26.6 °F 93% 30.03 in 10.0 mi Calm Calm - N/A   Clear
8:50 AM 37.4 °F 32.8 °F 30.2 °F 75% 30.04 in 10.0 mi West 5.8 mph - N/A   Clear
9:50 AM 42.8 °F 40.1 °F 33.8 °F 70% 30.04 in 10.0 mi Variable 4.6 mph - N/A   Clear
10:59 AM 51.8 °F - 35.6 °F 54% 30.02 in 10.0 mi SSW 4.6 mph - N/A   Clear
11:45 AM 55.4 °F - 35.6 °F 47% 30.00 in 10.0 mi Variable 5.8 mph - N/A   Clear
12:45 PM 57.2 °F - 30.2 °F 36% 29.97 in 10.0 mi Variable 5.8 mph - N/A   Clear
2:45 PM 57.2 °F - 28.4 °F 33% 29.92 in 10.0 mi West 4.6 mph - N/A   Mostly Cloudy
5:15 PM 51.8 °F - 39.2 °F 62% 29.91 in 10.0 mi NNW 16.1 mph 25.3 mph N/A   Overcast
5:35 PM 48.2 °F - 39.2 °F 71% 29.91 in 10.0 mi North 18.4 mph 23.0 mph N/A   Mostly Cloudy
5:55 PM 46.4 °F 38.7 °F 39.2 °F 76% 29.92 in 10.0 mi North 20.7 mph 26.5 mph N/A   Mostly Cloudy
6:15 PM 44.6 °F 37.8 °F 37.4 °F 76% 29.94 in 10.0 mi NNW 15.0 mph 23.0 mph N/A   Overcast
6:35 PM 44.6 °F 38.4 °F 39.2 °F 81% 29.95 in 10.0 mi North 12.7 mph - N/A   Overcast
6:55 PM 44.6 °F 38.1 °F 37.4 °F 76% 29.96 in 10.0 mi NNW 13.8 mph 20.7 mph N/A   Overcast
7:15 PM 42.8 °F 35.4 °F 37.4 °F 81% 29.97 in 10.0 mi NNW 15.0 mph 23.0 mph N/A   Overcast
7:35 PM 42.8 °F 35.4 °F 37.4 °F 81% 29.99 in 10.0 mi NNW 15.0 mph 20.7 mph N/A   Overcast
7:55 PM 42.8 °F 35.1 °F 37.4 °F 81% 30.00 in 10.0 mi NNW 16.1 mph 21.9 mph N/A   Mostly Cloudy
8:15 PM 41.0 °F 35.2 °F 37.4 °F 87% 30.01 in 10.0 mi NNW 9.2 mph - N/A   Overcast
8:35 PM 39.2 °F 32.5 °F 37.4 °F 93% 30.02 in 10.0 mi NNW 10.4 mph 16.1 mph N/A   Overcast
8:55 PM 39.2 °F 33.0 °F 37.4 °F 93% 30.03 in 10.0 mi NNW 9.2 mph 21.9 mph N/A   Overcast
9:15 PM 37.4 °F 29.3 °F 37.4 °F 100% 30.03 in 9.0 mi NNW 12.7 mph 17.3 mph 0.01 in   Overcast
9:35 PM 37.4 °F 31.4 °F 35.6 °F 93% 30.04 in 10.0 mi North 8.1 mph - 0.01 in   Overcast
9:55 PM 37.4 °F 33.8 °F 37.4 °F 100% 30.04 in 10.0 mi North 4.6 mph - 0.01 in   Overcast
10:15 PM 37.4 °F 32.1 °F 37.4 °F 100% 30.04 in 7.0 mi North 6.9 mph - N/A   Overcast
10:35 PM 37.4 °F 33.8 °F 35.6 °F 93% 30.03 in 10.0 mi NNE 4.6 mph - N/A   Mostly Cloudy
10:55 PM 37.4 °F - 35.6 °F 93% 30.03 in 10.0 mi Calm Calm - N/A   Overcast
11:15 PM 37.4 °F - 37.4 °F 100% 30.03 in 10.0 mi Calm Calm - N/A   Overcast
11:35 PM 37.4 °F - 37.4 °F 100% 30.02 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
11:55 PM 37.4 °F 34.9 °F 37.4 °F 100% 30.02 in 10.0 mi NE 3.5 mph - N/A   Overcast