Martinsburg, WV

10:57 AM EST on November 22, 2017 (GMT -0500)
Eastern W Va Regional-Shepherd

Weather History for KMRB - May, 2013

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Tuesday, May 21, 2013

  Actual Average Record
Temperature  
Mean Temperature 74 °F 62 °F  
Max Temperature 87 °F 74 °F 100 °F (1934)
Min Temperature 61 °F 51 °F 35 °F (1992)
Degree Days  
Heating Degree Days 0 4  
Month to date heating degree days 126 135  
Since 1 July heating degree days 4867 5192  
Cooling Degree Days 9 2  
Month to date cooling degree days 30 26  
Year to date cooling degree days 61 35  
Growing Degree Days 24 (Base 50)    
Moisture  
Dew Point 65 °F    
Average Humidity 72    
Maximum Humidity 93    
Minimum Humidity 50    
Precipitation  
Precipitation 0.00 in 0.13 in 1.00 in (1943)
Month to date precipitation 1.44 2.77  
Year to date precipitation 10.55 14.41  
Sea Level Pressure  
Sea Level Pressure 29.93 in    
Wind  
Wind Speed 3 mph (SSE)    
Max Wind Speed 13 mph    
Max Gust Speed 17 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

May. 21, 2013 Rise Set
Actual Time 5:53 AM EDT 8:24 PM EDT
Civil Twilight 5:22 AM EDT 8:55 PM EDT
Nautical Twilight 4:43 AM EDT 9:33 PM EDT
Astronomical Twilight 4:01 AM EDT 10:16 PM EDT
Moon 4:37 PM EDT (5/21) 3:18 AM EDT (5/21)
Length of Visible Light 15h 33m
Length of Day
14h 31m
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
12:53 AM 66.9 °F - 64.0 °F 90% 29.97 in 9.0 mi Calm Calm - N/A   Clear
1:53 AM 66.0 °F - 63.0 °F 90% 29.97 in 10.0 mi Calm Calm - N/A   Clear
2:53 AM 64.9 °F - 62.1 °F 90% 29.95 in 10.0 mi South 3.5 mph - N/A   Clear
3:53 AM 64.9 °F - 61.0 °F 87% 29.94 in 10.0 mi Calm Calm - N/A   Clear
4:53 AM 64.0 °F - 61.0 °F 90% 29.96 in 10.0 mi South 3.5 mph - N/A   Clear
5:53 AM 62.1 °F - 60.1 °F 93% 29.98 in 9.0 mi Calm Calm - N/A   Clear
6:53 AM 64.0 °F - 61.0 °F 90% 29.99 in 8.0 mi Calm Calm - N/A   Scattered Clouds
7:53 AM 66.9 °F - 62.1 °F 84% 29.99 in 10.0 mi WSW 3.5 mph - N/A   Clear
8:53 AM 72.0 °F - 64.0 °F 76% 29.99 in 10.0 mi SE 3.5 mph - N/A   Clear
9:53 AM 75.0 °F - 64.9 °F 71% 29.98 in 10.0 mi Calm Calm - N/A   Clear
10:53 AM 79.0 °F - 66.0 °F 64% 29.97 in 10.0 mi Calm Calm - N/A   Clear
11:53 AM 82.0 °F 84.5 °F 66.9 °F 60% 29.96 in 10.0 mi Calm Calm - N/A   Clear
12:53 PM 84.0 °F 86.3 °F 66.0 °F 55% 29.95 in 10.0 mi Variable 3.5 mph - N/A   Clear
1:53 PM 87.1 °F 89.9 °F 66.9 °F 51% 29.92 in 10.0 mi SW 4.6 mph - N/A   Partly Cloudy
2:53 PM 87.1 °F 89.9 °F 66.9 °F 51% 29.90 in 10.0 mi East 6.9 mph - N/A   Clear
3:53 PM 86.0 °F 88.8 °F 66.9 °F 53% 29.89 in 10.0 mi SE 10.4 mph - N/A   Mostly Cloudy
4:53 PM 86.0 °F 89.4 °F 68.0 °F 55% 29.87 in 10.0 mi SE 6.9 mph - N/A   Clear
5:53 PM 84.9 °F 88.8 °F 69.1 °F 59% 29.86 in 10.0 mi SSE 8.1 mph - N/A   Clear
6:53 PM 82.9 °F 85.8 °F 68.0 °F 60% 29.86 in 10.0 mi South 8.1 mph - N/A   Clear
7:53 PM 80.1 °F 82.7 °F 68.0 °F 67% 29.85 in 10.0 mi SSE 8.1 mph - N/A   Clear
8:53 PM 77.0 °F - 68.0 °F 74% 29.86 in 10.0 mi South 3.5 mph - N/A   Clear
9:53 PM 75.0 °F - 68.0 °F 79% 29.87 in 10.0 mi Calm Calm - N/A   Clear
10:53 PM 72.0 °F - 66.9 °F 84% 29.88 in 10.0 mi South 3.5 mph - N/A   Clear
11:53 PM 71.1 °F - 66.9 °F 87% 29.88 in 8.0 mi Calm Calm - N/A   Clear