Weather History for KJYO - December, 2012

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Tuesday, December 11, 2012

  Actual Average (KIAD) Record (KIAD)
Temperature  
Mean Temperature 42 °F 38 °F  
Max Temperature 50 °F 47 °F 71 °F (1979)
Min Temperature 33 °F 28 °F 3 °F (1968)
Degree Days  
Heating Degree Days 24 27  
Month to date heating degree days 284  
Since 1 July heating degree days 1200  
Cooling Degree Days 0 0  
Month to date cooling degree days 0  
Year to date cooling degree days 1178  
Moisture  
Dew Point 36 °F    
Average Humidity 75    
Maximum Humidity 93    
Minimum Humidity 57    
Precipitation  
Precipitation 0.00 in 0.10 in 1.34 in (2008)
Month to date precipitation 1.19  
Year to date precipitation 39.77  
Snow  
Snow 0.00 in 0.10 in 0.50 in (1962)
Month to date snowfall 1.0  
Since 1 July snowfall 1.5  
Snow Depth -    
Sea Level Pressure  
Sea Level Pressure 30.01 in    
Wind  
Wind Speed 9 mph (NNW)    
Max Wind Speed 16 mph    
Max Gust Speed 33 mph    
Visibility 10 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Dec. 11, 2012 Rise Set
Actual Time 7:19 AM EST 4:47 PM EST
Civil Twilight 6:49 AM EST 5:17 PM EST
Nautical Twilight 6:16 AM EST 5:51 PM EST
Astronomical Twilight 5:43 AM EST 6:23 PM EST
Moon 5:12 AM EST (12/11) 3:24 PM EST (12/11)
Length of Visible Light 10h 28m
Length of Day
9h 28m
Waning Crescent, 4% of the Moon is Illuminated
Dec 11
Waning Crescent
Dec 13
New
Dec 20
First Quarter
Dec 28
Full
Jan 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
12:15 AM 50.0 °F - 44.6 °F 82% 29.71 in 10.0 mi North 16.1 mph 33.4 mph N/A   Overcast
12:35 AM 50.0 °F - 42.8 °F 76% 29.73 in 10.0 mi North 13.8 mph 19.6 mph N/A   Overcast
12:55 AM 50.0 °F - 41.0 °F 71% 29.72 in 10.0 mi North 12.7 mph - N/A   Overcast
1:15 AM 48.2 °F - 41.0 °F 76% 29.73 in 10.0 mi NNW 12.7 mph 21.9 mph N/A   Overcast
1:35 AM 48.2 °F - 41.0 °F 76% 29.73 in 10.0 mi North 11.5 mph 19.6 mph N/A   Overcast
1:55 AM 48.2 °F - 41.0 °F 76% 29.75 in 10.0 mi NNW 15.0 mph - N/A   Overcast
2:15 AM 46.4 °F 41.9 °F 42.8 °F 87% 29.77 in 10.0 mi North 9.2 mph - N/A Rain Light Rain
2:35 AM 46.4 °F 42.9 °F 42.8 °F 87% 29.78 in 10.0 mi NNW 6.9 mph - N/A Rain Light Rain
2:55 AM 44.6 °F 38.8 °F 42.8 °F 93% 29.79 in 10.0 mi NNW 11.5 mph - N/A Rain Light Rain
3:15 AM 44.6 °F 40.2 °F 41.0 °F 87% 29.81 in 10.0 mi NNW 8.1 mph - N/A Rain Light Rain
3:35 AM 44.6 °F 39.7 °F 41.0 °F 87% 29.82 in 10.0 mi North 9.2 mph - N/A   Overcast
3:55 AM 44.6 °F 39.7 °F 41.0 °F 87% 29.83 in 10.0 mi North 9.2 mph - N/A   Overcast
4:15 AM 44.6 °F 39.2 °F 39.2 °F 81% 29.84 in 10.0 mi North 10.4 mph - N/A   Overcast
4:35 AM 44.6 °F 39.7 °F 37.4 °F 76% 29.85 in 10.0 mi North 9.2 mph - N/A   Overcast
4:55 AM 44.6 °F 40.7 °F 37.4 °F 76% 29.86 in 10.0 mi North 6.9 mph - N/A   Mostly Cloudy
5:15 AM 42.8 °F 37.5 °F 37.4 °F 81% 29.86 in 10.0 mi North 9.2 mph - N/A   Mostly Cloudy
5:35 AM 42.8 °F 36.6 °F 37.4 °F 81% 29.87 in 10.0 mi NNW 11.5 mph - N/A   Mostly Cloudy
5:55 AM 42.8 °F 38.6 °F 37.4 °F 81% 29.88 in 10.0 mi NNW 6.9 mph - N/A   Mostly Cloudy
6:15 AM 41.0 °F 37.1 °F 37.4 °F 87% 29.90 in 10.0 mi NNW 5.8 mph - N/A   Mostly Cloudy
6:35 AM 41.0 °F 35.2 °F 37.4 °F 87% 29.90 in 10.0 mi NNW 9.2 mph - N/A   Scattered Clouds
6:55 AM 41.0 °F 37.1 °F 37.4 °F 87% 29.92 in 10.0 mi North 5.8 mph - N/A   Mostly Cloudy
7:15 AM 42.8 °F 41.1 °F 37.4 °F 81% 29.92 in 10.0 mi NNE 3.5 mph - N/A   Scattered Clouds
7:35 AM 41.0 °F 38.0 °F 35.6 °F 81% 29.93 in 10.0 mi North 4.6 mph - N/A   Clear
7:55 AM 41.0 °F 39.0 °F 35.6 °F 81% 29.93 in 10.0 mi North 3.5 mph - N/A   Clear
8:15 AM 41.0 °F - 35.6 °F 81% 29.95 in 10.0 mi Calm Calm - N/A   Clear
8:35 AM 41.0 °F 39.0 °F 37.4 °F 87% 29.96 in 10.0 mi NW 3.5 mph - N/A   Scattered Clouds
8:55 AM 42.8 °F - 37.4 °F 81% 29.97 in 10.0 mi Calm Calm - N/A   Scattered Clouds
9:15 AM 44.6 °F 43.1 °F 37.4 °F 76% 29.98 in 10.0 mi North 3.5 mph - N/A   Scattered Clouds
9:35 AM 44.6 °F 39.2 °F 35.6 °F 71% 29.98 in 10.0 mi North 10.4 mph - N/A   Scattered Clouds
9:55 AM 44.6 °F 39.7 °F 35.6 °F 71% 29.99 in 10.0 mi NNW 9.2 mph - N/A   Clear
10:15 AM 46.4 °F 40.4 °F 35.6 °F 66% 30.00 in 10.0 mi NNW 13.8 mph 18.4 mph N/A   Clear
10:35 AM 46.4 °F 40.7 °F 35.6 °F 66% 30.00 in 10.0 mi NW 12.7 mph - N/A   Mostly Cloudy
10:55 AM 46.4 °F 44.3 °F 35.6 °F 66% 30.01 in 10.0 mi North 4.6 mph - N/A   Overcast
11:15 AM 46.4 °F 41.1 °F 35.6 °F 66% 30.01 in 10.0 mi North 11.5 mph - N/A   Overcast
11:35 AM 46.4 °F 40.7 °F 35.6 °F 66% 30.01 in 10.0 mi NNW 12.7 mph 18.4 mph N/A   Mostly Cloudy
11:55 AM 48.2 °F - 35.6 °F 62% 30.01 in 10.0 mi NW 12.7 mph 17.3 mph N/A   Scattered Clouds
12:15 PM 50.0 °F - 35.6 °F 58% 30.01 in 10.0 mi NW 12.7 mph 18.4 mph N/A   Scattered Clouds
12:35 PM 50.0 °F - 35.6 °F 58% 30.01 in 10.0 mi WNW 12.7 mph 16.1 mph N/A   Mostly Cloudy
12:55 PM 50.0 °F - 35.6 °F 58% 30.01 in 10.0 mi North 11.5 mph 18.4 mph N/A   Overcast
1:15 PM 50.0 °F - 35.6 °F 58% 30.02 in 10.0 mi NNW 12.7 mph 19.6 mph N/A   Overcast
1:35 PM 48.2 °F - 33.8 °F 58% 30.02 in 10.0 mi NW 13.8 mph 20.7 mph N/A   Overcast
1:55 PM 48.2 °F - 33.8 °F 58% 30.03 in 10.0 mi NW 10.4 mph 19.6 mph N/A   Scattered Clouds
2:15 PM 48.2 °F - 33.8 °F 58% 30.03 in 10.0 mi NW 8.1 mph 18.4 mph N/A   Scattered Clouds
2:35 PM 46.4 °F 41.1 °F 33.8 °F 62% 30.04 in 10.0 mi NW 11.5 mph - N/A   Scattered Clouds
2:55 PM 46.4 °F 40.7 °F 32.0 °F 57% 30.04 in 10.0 mi NW 12.7 mph 16.1 mph N/A   Clear
3:15 PM 46.4 °F 41.5 °F 32.0 °F 57% 30.05 in 10.0 mi NNW 10.4 mph - N/A   Scattered Clouds
3:35 PM 46.4 °F 40.7 °F 33.8 °F 62% 30.06 in 10.0 mi North 12.7 mph - N/A   Overcast
3:55 PM 46.4 °F 40.4 °F 32.0 °F 57% 30.07 in 10.0 mi NNW 13.8 mph - N/A   Overcast
4:15 PM 44.6 °F 38.8 °F 32.0 °F 61% 30.08 in 10.0 mi NNW 11.5 mph 17.3 mph N/A   Scattered Clouds
4:35 PM 44.6 °F 39.7 °F 32.0 °F 61% 30.10 in 10.0 mi NNW 9.2 mph - N/A   Scattered Clouds
4:55 PM 42.8 °F 38.6 °F 32.0 °F 66% 30.11 in 10.0 mi NW 6.9 mph - N/A   Clear
5:15 PM 42.8 °F 38.6 °F 32.0 °F 66% 30.11 in 10.0 mi NNW 6.9 mph - N/A   Clear
5:35 PM 42.8 °F 39.3 °F 32.0 °F 66% 30.13 in 10.0 mi NNW 5.8 mph - N/A   Clear
5:55 PM 41.0 °F 37.1 °F 32.0 °F 70% 30.14 in 10.0 mi North 5.8 mph - N/A   Clear
6:15 PM 41.0 °F 38.0 °F 33.8 °F 76% 30.15 in 10.0 mi North 4.6 mph - N/A   Clear
6:35 PM 41.0 °F 37.1 °F 33.8 °F 76% 30.16 in 10.0 mi NNW 5.8 mph - N/A   Clear
6:55 PM 41.0 °F 38.0 °F 33.8 °F 76% 30.16 in 10.0 mi NNW 4.6 mph - N/A   Clear
7:15 PM 41.0 °F - 33.8 °F 76% 30.18 in 10.0 mi Calm Calm - N/A   Clear
7:35 PM 41.0 °F - 33.8 °F 76% 30.18 in 10.0 mi Calm Calm - N/A   Clear
7:55 PM 39.2 °F 37.0 °F 32.0 °F 75% 30.18 in 10.0 mi North 3.5 mph - N/A   Clear
8:15 PM 39.2 °F - 32.0 °F 75% 30.19 in 10.0 mi Calm Calm - N/A   Clear
8:35 PM 37.4 °F - 32.0 °F 81% 30.19 in 10.0 mi Calm Calm - N/A   Clear
8:55 PM 37.4 °F - 32.0 °F 81% 30.21 in 10.0 mi Calm Calm - N/A   Clear
9:15 PM 37.4 °F - 32.0 °F 81% 30.21 in 10.0 mi Calm Calm - N/A   Clear
9:35 PM 37.4 °F - 33.8 °F 87% 30.21 in 10.0 mi Calm Calm - N/A   Scattered Clouds
9:55 PM 35.6 °F - 32.0 °F 87% 30.22 in 10.0 mi Calm Calm - N/A   Scattered Clouds
10:15 PM 35.6 °F - 32.0 °F 87% 30.23 in 10.0 mi Calm Calm - N/A   Overcast
10:35 PM 35.6 °F - 32.0 °F 87% 30.23 in 10.0 mi Calm Calm - N/A   Overcast
10:55 PM 35.6 °F - 33.8 °F 93% 30.23 in 10.0 mi Calm Calm - N/A   Overcast
11:15 PM 35.6 °F - 32.0 °F 87% 30.23 in 10.0 mi Calm Calm - N/A   Overcast
11:35 PM 33.8 °F 30.8 °F 32.0 °F 93% 30.23 in 10.0 mi WNW 3.5 mph - N/A   Scattered Clouds
11:55 PM 35.6 °F - 32.0 °F 87% 30.24 in 10.0 mi Calm Calm - N/A   Scattered Clouds