Weather History for Roanoke, VA

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Sunday, April 21, 2013

  Actual Average Record
Temperature  
Mean Temperature 46 °F 58 °F  
Max Temperature 57 °F 70 °F 91 °F (1985)
Min Temperature 34 °F 47 °F 31 °F (1956)
Degree Days  
Heating Degree Days 19 8  
Month to date heating degree days 169 215  
Since 1 July heating degree days 3810 3972  
Cooling Degree Days 0 1  
Month to date cooling degree days 43 13  
Year to date cooling degree days 43 18  
Moisture  
Dew Point 29 °F    
Average Humidity 53    
Maximum Humidity 70    
Minimum Humidity 35    
Precipitation  
Precipitation 0.00 in 0.11 in 3.80 in (1992)
Month to date precipitation 2.60 2.35  
Year to date precipitation 15.29 11.62  
Snow  
Snow 0.00 in - - ()
Month to date snowfall 1.0  
Since 1 July snowfall 18.3  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.46 in    
Wind  
Wind Speed 6 mph (ESE)    
Max Wind Speed 14 mph    
Max Gust Speed 18 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Apr. 21, 2013 Rise Set
Actual Time 6:36 AM EDT 8:00 PM EDT
Civil Twilight 6:09 AM EDT 8:28 PM EDT
Nautical Twilight 5:36 AM EDT 9:00 PM EDT
Astronomical Twilight 5:02 AM EDT 9:35 PM EDT
Moon 3:49 PM EDT (4/21) 3:52 AM EDT (4/21)
Length of Visible Light 14h 18m
Length of Day
13h 23m
Waxing Gibbous, 79% of the Moon is Illuminated
Apr 21
Waxing Gibbous
Apr 25
Full
May 2
Last Quarter
May 9
New
May 18
First Quarter

Hourly Weather History & Observations

Time (EDT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:54 AM 46.0 °F - 25.0 °F 44% 30.34 in 10.0 mi Calm Calm - N/A   Clear
1:54 AM 43.0 °F - 27.0 °F 53% 30.35 in 10.0 mi Calm Calm - N/A   Clear
2:54 AM 39.9 °F 36.7 °F 28.9 °F 65% 30.35 in 10.0 mi SSW 4.6 mph - N/A   Clear
3:54 AM 41.0 °F 39.0 °F 28.9 °F 62% 30.37 in 10.0 mi ENE 3.5 mph - N/A   Clear
4:54 AM 37.0 °F 33.3 °F 28.0 °F 70% 30.40 in 10.0 mi NNW 4.6 mph - N/A   Clear
5:54 AM 37.0 °F 34.5 °F 28.9 °F 73% 30.45 in 10.0 mi West 3.5 mph - N/A   Clear
6:54 AM 37.0 °F 33.3 °F 28.0 °F 70% 30.47 in 10.0 mi NNW 4.6 mph - N/A   Clear
7:54 AM 41.0 °F - 28.9 °F 62% 30.51 in 10.0 mi Calm Calm - N/A   Clear
8:54 AM 46.0 °F 42.5 °F 27.0 °F 47% 30.51 in 10.0 mi NE 6.9 mph - N/A   Clear
9:54 AM 48.0 °F - 27.0 °F 44% 30.53 in 10.0 mi ENE 4.6 mph - N/A   Clear
10:54 AM 50.0 °F - 28.9 °F 44% 30.54 in 10.0 mi ESE 6.9 mph - N/A   Clear
11:54 AM 51.1 °F - 28.9 °F 43% 30.53 in 10.0 mi Calm Calm - N/A   Clear
12:54 PM 53.1 °F - 30.0 °F 41% 30.52 in 10.0 mi South 11.5 mph 16.1 mph N/A   Clear
1:54 PM 53.1 °F - 30.9 °F 43% 30.50 in 10.0 mi SE 10.4 mph - N/A   Partly Cloudy
2:54 PM 55.0 °F - 28.9 °F 37% 30.48 in 10.0 mi Variable 5.8 mph - N/A   Partly Cloudy
3:54 PM 57.0 °F - 30.9 °F 37% 30.46 in 10.0 mi SSE 5.8 mph - N/A   Partly Cloudy
4:54 PM 57.0 °F - 30.0 °F 36% 30.45 in 10.0 mi ESE 11.5 mph 16.1 mph N/A   Partly Cloudy
5:54 PM 57.0 °F - 30.0 °F 36% 30.45 in 10.0 mi East 10.4 mph - N/A   Partly Cloudy
6:54 PM 55.0 °F - 30.0 °F 38% 30.46 in 10.0 mi ESE 11.5 mph - N/A   Partly Cloudy
7:54 PM 53.1 °F - 30.0 °F 41% 30.46 in 10.0 mi ESE 10.4 mph - N/A   Partly Cloudy
8:54 PM 51.1 °F - 30.0 °F 44% 30.48 in 10.0 mi ESE 5.8 mph - N/A   Clear
9:54 PM 46.9 °F - 30.9 °F 54% 30.51 in 10.0 mi SE 5.8 mph - N/A   Clear
10:54 PM 48.0 °F - 30.9 °F 52% 30.51 in 10.0 mi ESE 5.8 mph - N/A   Clear
11:54 PM 46.9 °F - 30.0 °F 52% 30.51 in 10.0 mi SE 3.5 mph - N/A   Clear