Martinsburg, WV

10:14 AM EST on February 21, 2017 (GMT -0500)
Eastern W Va Regional-Shepherd

Weather History for KMRB - September, 2015

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Friday, September 11, 2015

  Actual Average Record
Temperature  
Mean Temperature 70 °F 67 °F  
Max Temperature 83 °F 79 °F 98 °F (1941)
Min Temperature 56 °F 56 °F 39 °F (1969)
Degree Days  
Heating Degree Days 0 2  
Month to date heating degree days 0 12  
Since 1 July heating degree days 0 19  
Cooling Degree Days 5 4  
Month to date cooling degree days 115 53  
Year to date cooling degree days 1084 845  
Growing Degree Days 20 (Base 50)    
Moisture  
Dew Point 55 °F    
Average Humidity 62    
Maximum Humidity 90    
Minimum Humidity 34    
Precipitation  
Precipitation 0.00 in 0.11 in 1.61 in (1971)
Month to date precipitation 0.72 1.25  
Year to date precipitation 19.67 27.49  
Sea Level Pressure  
Sea Level Pressure 29.82 in    
Wind  
Wind Speed 4 mph (NNW)    
Max Wind Speed 14 mph    
Max Gust Speed 19 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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Date:

Astronomy

Sep. 11, 2015 Rise Set
Actual Time 6:49 AM EDT 7:27 PM EDT
Civil Twilight 6:22 AM EDT 7:54 PM EDT
Nautical Twilight 5:50 AM EDT 8:26 PM EDT
Astronomical Twilight 5:17 AM EDT 8:59 PM EDT
Moon 5:15 AM EDT (9/11) 6:35 PM EDT (9/11)
Length of Visible Light 13h 32m
Length of Day
12h 38m
Waning Crescent, 2% of the Moon is Illuminated
Sep 11
Waning Crescent
Sep 13
New
Sep 21
First Quarter
Sep 27
Full
Oct 4
Last 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 63.0 °F - 55.0 °F 75% 29.82 in 10.0 mi NNW 8.1 mph - N/A   Clear
1:53 AM 63.0 °F - 55.0 °F 75% 29.81 in 10.0 mi NW 5.8 mph - N/A   Clear
2:53 AM 63.0 °F - 54.0 °F 72% 29.80 in 10.0 mi NNW 4.6 mph - N/A   Clear
3:53 AM 61.0 °F - 53.1 °F 75% 29.79 in 10.0 mi Calm Calm - N/A   Clear
4:53 AM 61.0 °F - 53.1 °F 75% 29.80 in 10.0 mi NW 4.6 mph - N/A   Clear
5:53 AM 60.1 °F - 52.0 °F 75% 29.82 in 10.0 mi NW 5.8 mph - N/A   Clear
6:53 AM 57.0 °F - 52.0 °F 83% 29.84 in 10.0 mi Calm Calm - N/A   Clear
7:53 AM 61.0 °F - 54.0 °F 78% 29.86 in 10.0 mi SE 4.6 mph - N/A   Clear
8:53 AM 66.9 °F - 51.1 °F 57% 29.86 in 10.0 mi North 4.6 mph - N/A   Clear
9:53 AM 71.1 °F - 52.0 °F 51% 29.88 in 10.0 mi North 5.8 mph - N/A   Clear
10:53 AM 75.0 °F - 55.9 °F 51% 29.89 in 10.0 mi Variable 6.9 mph - N/A   Clear
11:53 AM 75.0 °F - 57.0 °F 53% 29.87 in 10.0 mi North 12.7 mph - N/A   Clear
12:53 PM 77.0 °F - 55.0 °F 47% 29.86 in 10.0 mi Variable 5.8 mph - N/A   Clear
1:53 PM 80.1 °F 80.0 °F 54.0 °F 40% 29.83 in 10.0 mi North 9.2 mph - N/A   Clear
2:53 PM 80.1 °F 80.0 °F 54.0 °F 40% 29.82 in 10.0 mi West 6.9 mph - N/A   Clear
3:53 PM 82.9 °F 81.8 °F 53.1 °F 36% 29.80 in 10.0 mi Variable 6.9 mph - N/A   Clear
4:53 PM 82.9 °F 81.8 °F 53.1 °F 36% 29.79 in 10.0 mi Calm Calm - N/A   Clear
5:53 PM 82.0 °F - 52.0 °F 35% 29.79 in 10.0 mi Variable 4.6 mph - N/A   Clear
6:53 PM 78.1 °F - 55.9 °F 46% 29.79 in 10.0 mi Calm Calm - N/A   Clear
7:53 PM 71.1 °F - 57.0 °F 61% 29.80 in 10.0 mi SE 3.5 mph - N/A   Clear
8:53 PM 70.0 °F - 55.9 °F 61% 29.81 in 10.0 mi Calm Calm - N/A   Clear
9:53 PM 64.9 °F - 59.0 °F 81% 29.82 in 10.0 mi Calm Calm - N/A   Clear
10:53 PM 63.0 °F - 57.9 °F 84% 29.81 in 10.0 mi Calm Calm - N/A   Clear
11:53 PM 61.0 °F - 57.9 °F 90% 29.81 in 10.0 mi Calm Calm - N/A   Clear