Weather History for Roanoke, VA

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Tuesday, May 21, 2013

  Actual Average Record
Temperature  
Mean Temperature 77 °F 66 °F  
Max Temperature 89 °F 77 °F 97 °F (1941)
Min Temperature 64 °F 55 °F 38 °F (1993)
Degree Days  
Heating Degree Days 0 2  
Month to date heating degree days 96 83  
Since 1 July heating degree days 3979 4115  
Cooling Degree Days 12 3  
Month to date cooling degree days 51 46  
Year to date cooling degree days 94 75  
Growing Degree Days 26 (Base 50)    
Moisture  
Dew Point 63 °F    
Average Humidity 66    
Maximum Humidity 93    
Minimum Humidity 39    
Precipitation  
Precipitation 0.00 in 0.14 in 2.30 in (1942)
Month to date precipitation 4.54 2.61  
Year to date precipitation 20.17 15.25  
Snow  
Snow 0.00 in - - ()
Month to date snowfall 0.0  
Since 1 July snowfall 18.3  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.00 in    
Wind  
Wind Speed 5 mph (WSW)    
Max Wind Speed 13 mph    
Max Gust Speed 18 mph    
Visibility 7 miles    
Events Fog    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

May. 21, 2013 Rise Set
Actual Time 6:06 AM EDT 8:27 PM EDT
Civil Twilight 5:36 AM EDT 8:56 PM EDT
Nautical Twilight 5:00 AM EDT 9:33 PM EDT
Astronomical Twilight 4:20 AM EDT 10:13 PM EDT
Moon 4:43 PM EDT (5/21) 3:28 AM EDT (5/21)
Length of Visible Light 15h 19m
Length of Day
14h 20m
Waxing Gibbous, 84% of the Moon is Illuminated
May 21
Waxing Gibbous
May 25
Full
May 31
Last Quarter
Jun 8
New
Jun 16
First Quarter

Hourly Weather History & Observations

Time (EDT) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:54 AM 66.9 °F - 64.9 °F 93% 30.02 in 6.0 mi Calm Calm - N/A   Clear
1:54 AM 66.0 °F - 64.0 °F 93% 30.01 in 4.0 mi Calm Calm - N/A   Scattered Clouds
2:52 AM 66.2 °F - 64.4 °F 94% 30.04 in 2.5 mi West 3.5 mph - N/A   Overcast
2:54 AM 66.0 °F - 64.0 °F 93% 30.01 in 3.0 mi Calm Calm - N/A   Overcast
3:54 AM 64.9 °F - 64.0 °F 97% 30.01 in 0.2 mi Calm Calm - N/A Fog Fog
4:54 AM 64.9 °F - 63.0 °F 93% 30.02 in 0.2 mi Calm Calm - N/A Fog Fog
5:18 AM 64.4 °F - 62.6 °F 94% 30.05 in 4.0 mi West 3.5 mph - N/A   Mostly Cloudy
5:54 AM 64.0 °F - 63.0 °F 96% 30.03 in 6.0 mi Calm Calm - N/A   Mostly Cloudy
6:54 AM 64.0 °F - 62.1 °F 93% 30.03 in 6.0 mi Calm Calm - N/A   Mostly Cloudy
7:08 AM 64.4 °F - 62.6 °F 94% 30.06 in 5.0 mi WNW 3.5 mph - N/A   Mostly Cloudy
7:11 AM 64.4 °F - 62.6 °F 94% 30.07 in 1.0 mi WNW 3.5 mph - N/A   Mostly Cloudy
7:19 AM 64.4 °F - 62.6 °F 94% 30.07 in 0.2 mi NW 3.5 mph - N/A Fog Fog
7:29 AM 64.4 °F - 62.6 °F 94% 30.07 in 0.2 mi Calm Calm - N/A Fog Fog
7:54 AM 66.9 °F - 64.9 °F 93% 30.04 in 3.0 mi Calm Calm - N/A   Partly Cloudy
8:54 AM 69.1 °F - 63.0 °F 81% 30.05 in 10.0 mi WSW 6.9 mph - N/A   Partly Cloudy
9:54 AM 73.0 °F - 64.0 °F 73% 30.04 in 10.0 mi West 10.4 mph - N/A   Partly Cloudy
10:54 AM 77.0 °F - 64.0 °F 64% 30.02 in 10.0 mi West 4.6 mph - N/A   Partly Cloudy
11:54 AM 81.0 °F 83.0 °F 66.0 °F 60% 30.02 in 10.0 mi WSW 5.8 mph - N/A   Scattered Clouds
12:54 PM 82.9 °F 85.0 °F 66.0 °F 56% 30.00 in 10.0 mi Variable 6.9 mph - N/A   Scattered Clouds
1:54 PM 84.0 °F 84.5 °F 62.1 °F 47% 29.99 in 10.0 mi Variable 3.5 mph - N/A   Scattered Clouds
2:54 PM 87.1 °F 87.0 °F 61.0 °F 41% 29.96 in 10.0 mi NNW 5.8 mph - N/A   Scattered Clouds
3:54 PM 88.0 °F 87.1 °F 59.0 °F 37% 29.94 in 10.0 mi NW 8.1 mph - N/A   Scattered Clouds
4:54 PM 88.0 °F 87.1 °F 59.0 °F 37% 29.93 in 10.0 mi SW 3.5 mph - N/A   Scattered Clouds
5:54 PM 86.0 °F 86.1 °F 61.0 °F 43% 29.91 in 10.0 mi SSE 6.9 mph - N/A   Partly Cloudy
6:54 PM 82.0 °F 83.1 °F 63.0 °F 52% 29.91 in 10.0 mi SSE 12.7 mph - N/A   Partly Cloudy
7:54 PM 81.0 °F 82.5 °F 64.0 °F 56% 29.92 in 10.0 mi South 8.1 mph - N/A   Clear
8:54 PM 80.1 °F 81.9 °F 64.9 °F 60% 29.93 in 10.0 mi SSW 6.9 mph - N/A   Clear
9:54 PM 78.1 °F - 64.9 °F 64% 29.94 in 10.0 mi Calm Calm - N/A   Clear
10:54 PM 77.0 °F - 64.9 °F 66% 29.96 in 10.0 mi South 3.5 mph - N/A   Clear
11:54 PM 73.9 °F - 64.9 °F 73% 29.96 in 10.0 mi West 4.6 mph - N/A   Partly Cloudy