Weather History for Roanoke, VA

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Tuesday, September 4, 2012

  Actual Average Record
Temperature  
Mean Temperature 77 °F 72 °F  
Max Temperature 83 °F 83 °F 99 °F (1925)
Min Temperature 71 °F 62 °F 48 °F (1946)
Degree Days  
Heating Degree Days 0 0  
Month to date heating degree days 0 0  
Since 1 July heating degree days 0 1  
Cooling Degree Days 12 7  
Month to date cooling degree days 51 31  
Year to date cooling degree days 1319 1078  
Growing Degree Days 26 (Base 50)    
Moisture  
Dew Point 70 °F    
Average Humidity 79    
Maximum Humidity 93    
Minimum Humidity 65    
Precipitation  
Precipitation 0.02 in 0.13 in 1.55 in (1996)
Month to date precipitation 0.29 0.55  
Year to date precipitation 25.11 28.68  
Snow  
Snow 0.00 in - - ()
Month to date snowfall 0.0  
Since 1 July snowfall T  
Since 1 September snowfall 0.0  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.98 in    
Wind  
Wind Speed 9 mph (SE)    
Max Wind Speed 17 mph    
Max Gust Speed 23 mph    
Visibility 9 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Sep. 04, 2012 Rise Set
Actual Time 6:53 AM EDT 7:43 PM EDT
Civil Twilight 6:26 AM EDT 8:10 PM EDT
Nautical Twilight 5:55 AM EDT 8:41 PM EDT
Astronomical Twilight 5:22 AM EDT 9:13 PM EDT
Moon 9:43 PM EDT (9/4) 10:51 AM EDT (9/4)
Length of Visible Light 13h 43m
Length of Day
12h 50m
Waning Gibbous, 84% of the Moon is Illuminated
Sep 4
Waning Gibbous
Sep 8
Last Quarter
Sep 15
New
Sep 22
First Quarter
Sep 29
Full

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 73.0 °F - 70.0 °F 90% 30.01 in 10.0 mi ESE 3.5 mph - N/A   Mostly Cloudy
1:54 AM 73.0 °F - 70.0 °F 90% 30.02 in 10.0 mi SE 5.8 mph - N/A   Overcast
2:54 AM 72.0 °F - 70.0 °F 93% 30.00 in 10.0 mi SE 6.9 mph - N/A   Overcast
3:54 AM 72.0 °F - 70.0 °F 93% 30.00 in 8.0 mi SE 5.8 mph - N/A   Overcast
4:54 AM 72.0 °F - 70.0 °F 93% 29.98 in 8.0 mi SE 6.9 mph - N/A   Overcast
5:54 AM 72.0 °F - 70.0 °F 93% 29.99 in 3.0 mi SE 6.9 mph - N/A   Overcast
6:54 AM 71.1 °F - 70.0 °F 96% 30.00 in 3.0 mi SE 5.8 mph - N/A   Overcast
7:54 AM 72.0 °F - 70.0 °F 93% 30.02 in 5.0 mi SSE 5.8 mph - N/A   Overcast
8:51 AM 73.4 °F - 71.6 °F 94% 30.05 in 8.0 mi SSE 4.6 mph - N/A   Overcast
8:54 AM 73.0 °F - 71.1 °F 93% 30.01 in 8.0 mi SSE 5.8 mph - N/A   Overcast
9:44 AM 75.2 °F - 71.6 °F 89% 30.04 in 10.0 mi SE 9.2 mph - N/A   Overcast
9:54 AM 75.0 °F - 70.0 °F 84% 30.01 in 10.0 mi SSE 5.8 mph - N/A   Overcast
10:34 AM 77.0 °F - 71.6 °F 83% 30.04 in 10.0 mi SE 8.1 mph - N/A   Overcast
10:54 AM 78.1 °F - 71.1 °F 79% 30.01 in 10.0 mi SE 8.1 mph - N/A   Overcast
11:54 AM 80.1 °F 83.6 °F 71.1 °F 74% 29.98 in 10.0 mi SSE 12.7 mph - N/A   Mostly Cloudy
12:54 PM 79.0 °F - 69.1 °F 72% 29.98 in 10.0 mi South 11.5 mph - N/A   Mostly Cloudy
1:54 PM 81.0 °F 85.2 °F 72.0 °F 74% 29.97 in 10.0 mi South 10.4 mph - 0.02 in   Mostly Cloudy
2:54 PM 81.0 °F 84.4 °F 70.0 °F 69% 29.94 in 10.0 mi South 12.7 mph - N/A   Mostly Cloudy
3:54 PM 82.0 °F 85.5 °F 69.1 °F 65% 29.92 in 10.0 mi South 15.0 mph 20.7 mph N/A   Mostly Cloudy
4:54 PM 81.0 °F 84.4 °F 70.0 °F 69% 29.91 in 10.0 mi SSE 16.1 mph - N/A   Mostly Cloudy
5:54 PM 80.1 °F 82.9 °F 69.1 °F 69% 29.91 in 10.0 mi SSE 13.8 mph - N/A   Mostly Cloudy
6:54 PM 79.0 °F - 70.0 °F 74% 29.92 in 10.0 mi SSE 6.9 mph - 0.00 in   Overcast
7:54 PM 78.1 °F - 69.1 °F 74% 29.92 in 10.0 mi SSE 8.1 mph - N/A   Mostly Cloudy
8:54 PM 77.0 °F - 70.0 °F 79% 29.94 in 10.0 mi SSE 9.2 mph - N/A   Mostly Cloudy
9:54 PM 75.9 °F - 70.0 °F 82% 29.94 in 10.0 mi SSE 9.2 mph - N/A   Overcast
10:54 PM 73.9 °F - 70.0 °F 87% 29.94 in 10.0 mi SE 5.8 mph - 0.00 in   Mostly Cloudy
11:54 PM 75.0 °F - 70.0 °F 84% 29.92 in 10.0 mi North 3.5 mph - N/A   Overcast