Wallops Island, VA

3:34 AM EDT on September 21, 2019 (GMT -0400)
Wallops Flight Facility

Weather History for KWAL - August, 2019

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Saturday, August 17, 2019

  Actual Average Record
Temperature  
Mean Temperature 82 °F 76 °F  
Max Temperature 89 °F 83 °F 95 °F (1997)
Min Temperature 74 °F 68 °F 57 °F (1979)
Degree Days  
Heating Degree Days 0    
Month to date heating degree days 0  
Since 1 June heating degree days 1  
Since 1 July heating degree days 0  
Cooling Degree Days 17    
Month to date cooling degree days 249  
Year to date cooling degree days 1302  
Since 1 June cooling degree days 1104  
Growing Degree Days 31 (Base 50)    
Moisture  
Dew Point 73 °F    
Average Humidity 73    
Maximum Humidity 91    
Minimum Humidity 55    
Precipitation  
Precipitation T in 0.13 in 0.90 in (2003)
Month to date precipitation 0.91 2.47  
Year to date precipitation 31.21 25.67  
Sea Level Pressure  
Sea Level Pressure 29.98 in    
Wind  
Wind Speed 6 mph (South)    
Max Wind Speed 16 mph    
Max Gust Speed 20 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

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Astronomy

Aug. 17, 2019 Rise Set
Actual Time 6:18 AM EDT 7:52 PM EDT
Civil Twilight 5:50 AM EDT 8:20 PM EDT
Nautical Twilight 5:17 AM EDT 8:53 PM EDT
Astronomical Twilight 4:41 AM EDT 9:29 PM EDT
Moon 9:21 PM EDT (8/17) 8:03 AM EDT (8/17)
Length of Visible Light 14h 29m
Length of Day
13h 34m
Waning Gibbous, 96% of the Moon is Illuminated
Aug 17
Waning Gibbous
Aug 23
Last Quarter
Aug 30
New
Sep 5
First Quarter
Sep 14
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 77.0 °F - 73.9 °F 90% 29.98 in 10.0 mi South 5.8 mph - N/A   Clear
1:54 AM 78.1 °F - 75.0 °F 90% 29.99 in 10.0 mi SW 4.6 mph - N/A   Overcast
2:54 AM 78.1 °F - 73.9 °F 87% 29.99 in 10.0 mi SSW 5.8 mph - N/A   Partly Cloudy
3:54 AM 75.9 °F - 72.0 °F 87% 29.98 in 10.0 mi SSW 6.9 mph - N/A   Clear
4:54 AM 75.0 °F - 72.0 °F 90% 29.97 in 10.0 mi SSW 4.6 mph - N/A   Clear
5:54 AM 75.9 °F - 72.0 °F 87% 29.96 in 10.0 mi Calm Calm - N/A   Clear
6:54 AM 75.0 °F - 72.0 °F 90% 29.97 in 10.0 mi Calm Calm - N/A   Clear
7:54 AM 81.0 °F 86.2 °F 73.9 °F 79% 29.99 in 10.0 mi Calm Calm - N/A   Clear
8:54 AM 82.9 °F 89.4 °F 73.9 °F 74% 29.99 in 10.0 mi NW 4.6 mph - N/A   Clear
9:54 AM 84.0 °F 91.2 °F 73.9 °F 72% 29.99 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
10:17 AM 84.9 °F 91.4 °F 73.0 °F 67% 30.00 in 10.0 mi East 5.8 mph - N/A   Scattered Clouds
10:54 AM 84.9 °F 90.7 °F 72.0 °F 65% 30.00 in 10.0 mi SE 4.6 mph - N/A   Clear
11:54 AM 86.0 °F 95.1 °F 75.0 °F 70% 30.00 in 10.0 mi SE 6.9 mph - N/A   Clear
12:54 PM 88.0 °F 92.9 °F 70.0 °F 55% 30.01 in 10.0 mi SE 8.1 mph - N/A   Clear
1:54 PM 88.0 °F 93.8 °F 71.1 °F 57% 29.99 in 10.0 mi South 11.5 mph - 0.00 in   Partly Cloudy
2:54 PM 87.1 °F 93.6 °F 72.0 °F 61% 29.99 in 10.0 mi SE 12.7 mph - N/A   Clear
3:54 PM 87.1 °F 93.6 °F 72.0 °F 61% 29.97 in 10.0 mi South 10.4 mph - N/A   Clear
4:54 PM 84.9 °F 91.4 °F 73.0 °F 67% 29.98 in 10.0 mi SSE 12.7 mph - N/A   Clear
5:54 PM 84.0 °F 91.2 °F 73.9 °F 72% 29.97 in 10.0 mi South 11.5 mph - N/A   Clear
6:54 PM 82.0 °F 88.6 °F 75.0 °F 79% 29.97 in 10.0 mi South 13.8 mph - N/A   Clear
7:54 PM 80.1 °F 84.5 °F 73.9 °F 81% 29.97 in 10.0 mi SSW 9.2 mph - N/A   Clear
8:54 PM 80.1 °F 84.5 °F 73.9 °F 81% 29.98 in 10.0 mi SW 6.9 mph - N/A   Clear
9:54 PM 78.1 °F - 73.0 °F 84% 29.99 in 10.0 mi Calm Calm - N/A   Clear
10:54 PM 78.1 °F - 73.0 °F 84% 29.99 in 10.0 mi Calm Calm - N/A   Clear
11:54 PM 77.0 °F - 73.0 °F 88% 30.00 in 10.0 mi Calm Calm - N/A   Clear