Weather History for Roanoke, VA

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Monday, December 26, 2011

  Actual Average Record
Temperature  
Mean Temperature 43 °F 37 °F  
Max Temperature 51 °F 46 °F 70 °F (1964)
Min Temperature 35 °F 28 °F 3 °F (1980)
Degree Days  
Heating Degree Days 22 28  
Month to date heating degree days 536 666  
Since 1 July heating degree days 1249 1470  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 1549 1208  
Moisture  
Dew Point 24 °F    
Average Humidity 45    
Maximum Humidity 56    
Minimum Humidity 33    
Precipitation  
Precipitation 0.00 in 0.08 in 1.74 in (1943)
Month to date precipitation 3.81 2.51  
Year to date precipitation 44.65 40.82  
Snow  
Snow 0.00 in - - ()
Month to date snowfall 0.0  
Since 1 July snowfall T  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.29 in    
Wind  
Wind Speed 7 mph (NW)    
Max Wind Speed 29 mph    
Max Gust Speed 34 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Dec. 26, 2011 Rise Set
Actual Time 7:32 AM EST 5:08 PM EST
Civil Twilight 7:03 AM EST 5:37 PM EST
Nautical Twilight 6:30 AM EST 6:10 PM EST
Astronomical Twilight 5:58 AM EST 6:42 PM EST
Moon 8:53 AM EST (12/26) 7:32 PM EST (12/26)
Length of Visible Light 10h 34m
Length of Day
9h 36m
Waxing Crescent, 5% of the Moon is Illuminated
Dec 26
Waxing Crescent
Jan 1
First Quarter
Jan 9
Full
Jan 16
Last Quarter
Jan 23
New

Hourly Weather History & Observations

Time (EST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:54 AM 46.0 °F 39.0 °F 21.9 °F 39% 30.16 in 10.0 mi WNW 17.3 mph 34.5 mph N/A   Clear
1:54 AM 43.0 °F 36.4 °F 23.0 °F 45% 30.19 in 10.0 mi NNW 12.7 mph 24.2 mph N/A   Clear
2:54 AM 42.1 °F 34.2 °F 23.0 °F 47% 30.22 in 10.0 mi NNW 16.1 mph - N/A   Clear
3:54 AM 39.9 °F 30.0 °F 23.0 °F 51% 30.23 in 10.0 mi NW 21.9 mph 26.5 mph N/A   Clear
4:54 AM 39.9 °F 31.8 °F 21.9 °F 49% 30.24 in 10.0 mi NNW 15.0 mph 20.7 mph N/A   Clear
5:54 AM 37.9 °F 31.5 °F 21.9 °F 53% 30.27 in 10.0 mi SSW 9.2 mph - N/A   Clear
6:54 AM 36.0 °F 29.0 °F 21.0 °F 55% 30.32 in 10.0 mi NW 9.2 mph - N/A   Clear
7:54 AM 37.0 °F 28.9 °F 23.0 °F 57% 30.35 in 10.0 mi NW 12.7 mph - N/A   Partly Cloudy
8:54 AM 39.9 °F 35.1 °F 24.1 °F 53% 30.38 in 10.0 mi NW 6.9 mph - N/A   Partly Cloudy
9:54 AM 42.1 °F 38.4 °F 24.1 °F 49% 30.41 in 10.0 mi NNW 5.8 mph - N/A   Partly Cloudy
10:54 AM 44.6 °F 38.8 °F 24.8 °F 46% 30.41 in 10.0 mi NW 11.5 mph 17.3 mph N/A   Clear
11:54 AM 46.0 °F 41.9 °F 23.0 °F 40% 30.37 in 10.0 mi NNW 8.1 mph - N/A   Clear
12:54 PM 48.0 °F - 23.0 °F 37% 30.33 in 10.0 mi Calm Calm - N/A   Clear
1:54 PM 48.9 °F - 23.0 °F 36% 30.31 in 10.0 mi Calm Calm - N/A   Clear
2:54 PM 50.0 °F - 23.0 °F 35% 30.30 in 10.0 mi Calm Calm - N/A   Clear
3:54 PM 50.0 °F - 23.0 °F 35% 30.30 in 10.0 mi Calm Calm - N/A   Clear
4:54 PM 48.0 °F - 23.0 °F 37% 30.30 in 10.0 mi ESE 3.5 mph - N/A   Clear
5:54 PM 46.0 °F - 25.0 °F 44% 30.30 in 10.0 mi Calm Calm - N/A   Clear
6:54 PM 44.1 °F 41.5 °F 25.0 °F 47% 30.30 in 10.0 mi SE 4.6 mph - N/A   Clear
7:54 PM 43.0 °F 40.3 °F 25.0 °F 49% 30.31 in 10.0 mi SSE 4.6 mph - N/A   Clear
8:54 PM 43.0 °F 40.3 °F 26.1 °F 51% 30.30 in 10.0 mi ESE 4.6 mph - N/A   Clear
9:54 PM 43.0 °F 40.3 °F 26.1 °F 51% 30.29 in 10.0 mi South 4.6 mph - N/A   Clear
10:54 PM 43.0 °F - 25.0 °F 49% 30.26 in 10.0 mi Calm Calm - N/A   Clear
11:54 PM 41.0 °F 38.0 °F 25.0 °F 53% 30.23 in 10.0 mi ESE 4.6 mph - N/A   Clear