Weather History for Martinsburg, WV

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Monday, March 21, 2011

  Actual Average Record
Temperature  
Mean Temperature 59 °F 44 °F  
Max Temperature 77 °F 55 °F 86 °F (1948)
Min Temperature 41 °F 33 °F 14 °F (1965)
Degree Days  
Heating Degree Days 6 21  
Month to date heating degree days 422 520  
Since 1 July heating degree days 4339 4476  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Growing Degree Days 8 (Base 50)    
Moisture  
Dew Point 44 °F    
Average Humidity 71    
Maximum Humidity 96    
Minimum Humidity 46    
Precipitation  
Precipitation 0.14 in 0.12 in 1.35 in (1955)
Month to date precipitation 3.04 2.29  
Year to date precipitation 6.31 7.07  
Sea Level Pressure  
Sea Level Pressure 30.03 in    
Wind  
Wind Speed 9 mph (SSW)    
Max Wind Speed 28 mph    
Max Gust Speed 36 mph    
Visibility 10 miles    
Events Rain , Thunderstorm    
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

Mar. 21, 2011 Rise Set
Actual Time 7:14 AM EDT 7:24 PM EDT
Civil Twilight 6:47 AM EDT 7:51 PM EDT
Nautical Twilight 6:16 AM EDT 8:22 PM EDT
Astronomical Twilight 5:44 AM EDT 8:54 PM EDT
Moon 10:15 PM EDT (3/21) 7:56 AM EDT (3/21)
Length of Visible Light 13h 04m
Length of Day
12h 10m
Waning Gibbous, 95% of the Moon is Illuminated
Mar 21
Waning Gibbous
Mar 26
Last Quarter
Apr 3
New
Apr 11
First Quarter
Apr 17
Full

Hourly Weather History & Observations

Time (EDT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 45.0 °F 39.3 °F 30.0 °F 56% 30.32 in 10.0 mi SSE 11.5 mph - N/A   Clear
1:53 AM 45.0 °F 38.5 °F 30.9 °F 58% 30.30 in 10.0 mi SSE 13.8 mph 19.6 mph N/A   Overcast
2:53 AM 44.1 °F 38.1 °F 32.0 °F 63% 30.28 in 10.0 mi SSE 11.5 mph - N/A   Clear
3:53 AM 43.0 °F 38.8 °F 32.0 °F 65% 30.23 in 10.0 mi SSE 6.9 mph - N/A   Clear
4:53 AM 43.0 °F 37.7 °F 32.0 °F 65% 30.17 in 10.0 mi SSE 9.2 mph - N/A   Scattered Clouds
5:53 AM 44.1 °F 42.5 °F 34.0 °F 68% 30.16 in 10.0 mi SSE 3.5 mph - 0.00 in Rain , Thunderstorm Light Rain
6:07 AM 42.8 °F - 35.6 °F 76% 30.17 in 7.0 mi Calm Calm - 0.02 in Rain Light Rain
6:53 AM 41.0 °F 37.1 °F 37.9 °F 89% 30.16 in 8.0 mi SSE 5.8 mph - 0.12 in Rain Light Rain
7:53 AM 42.1 °F 39.2 °F 39.0 °F 89% 30.11 in 10.0 mi South 4.6 mph - 0.02 in   Scattered Clouds
8:53 AM 43.0 °F - 41.0 °F 93% 30.08 in 9.0 mi Calm Calm - N/A   Scattered Clouds
9:53 AM 48.0 °F - 44.1 °F 86% 30.06 in 10.0 mi Calm Calm - N/A   Partly Cloudy
10:53 AM 54.0 °F - 46.9 °F 77% 30.04 in 10.0 mi Variable 4.6 mph - N/A   Scattered Clouds
11:53 AM 59.0 °F - 48.0 °F 67% 30.00 in 10.0 mi Variable 5.8 mph - N/A   Partly Cloudy
12:53 PM 64.0 °F - 48.9 °F 58% 29.96 in 10.0 mi SSE 5.8 mph - N/A   Clear
1:53 PM 66.9 °F - 50.0 °F 54% 29.95 in 10.0 mi SSE 4.6 mph - N/A   Partly Cloudy
2:53 PM 73.9 °F - 53.1 °F 48% 29.90 in 10.0 mi West 25.3 mph 33.4 mph N/A   Scattered Clouds
3:53 PM 75.0 °F - 53.1 °F 46% 29.86 in 10.0 mi West 13.8 mph 24.2 mph N/A   Clear
4:53 PM 75.9 °F - 53.1 °F 45% 29.85 in 10.0 mi WSW 15.0 mph 23.0 mph N/A   Clear
5:53 PM 73.4 °F - 51.8 °F 47% 29.86 in 10.0 mi West 23.0 mph 35.7 mph N/A   Partly Cloudy
6:53 PM 71.1 °F - 53.1 °F 53% 29.85 in 10.0 mi West 13.8 mph - N/A   Clear
7:53 PM 69.1 °F - 51.1 °F 53% 29.87 in 10.0 mi WSW 11.5 mph 23.0 mph N/A   Clear
8:53 PM 66.0 °F - 52.0 °F 60% 29.87 in 10.0 mi WSW 10.4 mph - N/A   Clear
9:53 PM 66.0 °F - 52.0 °F 60% 29.87 in 10.0 mi West 12.7 mph - N/A   Clear
10:53 PM 64.0 °F - 52.0 °F 65% 29.88 in 10.0 mi WSW 8.1 mph - N/A   Clear
11:53 PM 64.9 °F - 53.1 °F 65% 29.88 in 10.0 mi West 8.1 mph - N/A   Scattered Clouds