Weather History for Martinsburg, WV

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Saturday, January 21, 2012

  Actual Average Record
Temperature  
Mean Temperature 29 °F 31 °F  
Max Temperature 32 °F 39 °F 66 °F (1959)
Min Temperature 25 °F 22 °F -18 °F (1994)
Degree Days  
Heating Degree Days 36 34  
Month to date heating degree days 637 714  
Since 1 July heating degree days 2259 2740  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 24 °F    
Average Humidity 82    
Maximum Humidity 92    
Minimum Humidity 72    
Precipitation  
Precipitation 0.30 in 0.08 in 0.88 in (1974)
Month to date precipitation 1.50 1.61  
Year to date precipitation 1.50 1.61  
Sea Level Pressure  
Sea Level Pressure 30.05 in    
Wind  
Wind Speed 5 mph (NE)    
Max Wind Speed 13 mph    
Max Gust Speed 15 mph    
Visibility 6 miles    
Events Rain , Snow    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Daily Weather History Graph

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Date:

Astronomy

Jan. 21, 2012 Rise Set
Actual Time 7:27 AM EST 5:18 PM EST
Civil Twilight 6:58 AM EST 5:48 PM EST
Nautical Twilight 6:25 AM EST 6:20 PM EST
Astronomical Twilight 5:53 AM EST 6:52 PM EST
Moon 5:56 AM EST (1/21) 3:52 PM EST (1/21)
Length of Visible Light 10h 49m
Length of Day
9h 51m
Waning Crescent, 3% of the Moon is Illuminated
Jan 21
Waning Crescent
Jan 23
New
Jan 30
First Quarter
Feb 7
Full
Feb 14
Last Quarter

Hourly Weather History & Observations

Time (EST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 25.0 °F 18.1 °F 21.9 °F 88% 30.13 in 1.8 mi SE 5.8 mph - 0.08 in Snow Light Snow
1:01 AM 24.8 °F 16.1 °F 21.2 °F 86% 30.10 in 2.5 mi SE 8.1 mph - 0.00 in Snow Light Snow
1:08 AM 24.8 °F 17.9 °F 21.2 °F 86% 30.09 in 4.0 mi SE 5.8 mph - 0.00 in Snow Light Snow
1:53 AM 26.1 °F 20.5 °F 21.9 °F 84% 30.10 in 8.0 mi ESE 4.6 mph - 0.01 in   Overcast
2:51 AM 26.6 °F 20.0 °F 21.2 °F 80% 30.04 in 7.0 mi ESE 5.8 mph - 0.01 in Rain Light Freezing Rain
2:53 AM 26.1 °F 18.4 °F 23.0 °F 88% 30.06 in 6.0 mi ESE 6.9 mph - 0.01 in Rain Light Freezing Rain
3:19 AM 26.6 °F 21.2 °F 23.0 °F 86% 30.03 in 7.0 mi SE 4.6 mph - 0.00 in   Overcast
3:48 AM 26.6 °F 19.1 °F 23.0 °F 86% 30.00 in 5.0 mi East 6.9 mph - 0.02 in Rain Light Freezing Rain
3:53 AM 26.1 °F 19.4 °F 24.1 °F 92% 30.02 in 3.0 mi ESE 5.8 mph - 0.03 in Rain Light Freezing Rain
4:31 AM 26.6 °F 18.2 °F 24.8 °F 93% 29.99 in 7.0 mi East 8.1 mph - 0.01 in   Overcast
4:53 AM 27.0 °F 19.5 °F 24.1 °F 89% 29.99 in 9.0 mi East 6.9 mph - 0.01 in   Overcast
5:36 AM 26.6 °F 20.0 °F 24.8 °F 93% 29.96 in 2.5 mi East 5.8 mph - 0.00 in Rain Light Freezing Rain
5:53 AM 28.0 °F 24.2 °F 25.0 °F 88% 30.00 in 2.5 mi Variable 3.5 mph - 0.04 in Rain Light Freezing Rain
6:02 AM 28.4 °F 22.2 °F 26.6 °F 93% 29.97 in 2.5 mi East 5.8 mph - 0.04 in Rain Light Freezing Rain
6:18 AM 28.4 °F 19.7 °F 26.6 °F 93% 29.95 in 3.0 mi East 9.2 mph - 0.08 in Rain Light Freezing Rain
6:27 AM 28.4 °F 21.2 °F 26.6 °F 93% 29.95 in 4.0 mi East 6.9 mph - 0.10 in Rain Light Freezing Rain
6:53 AM 28.9 °F 25.2 °F 26.1 °F 89% 29.98 in 6.0 mi NE 3.5 mph - 0.10 in Rain Light Freezing Rain
7:10 AM 28.4 °F 23.3 °F 26.6 °F 93% 29.95 in 2.5 mi NE 4.6 mph - 0.02 in Rain Light Freezing Rain
7:25 AM 28.4 °F 21.2 °F 26.6 °F 93% 29.95 in 4.0 mi East 6.9 mph - 0.03 in Rain Light Freezing Rain
7:41 AM 28.4 °F - 26.6 °F 93% 29.95 in 7.0 mi Calm Calm - 0.03 in Rain Light Freezing Rain
7:53 AM 28.4 °F 24.6 °F 26.6 °F 93% 29.94 in 4.0 mi ENE 3.5 mph - N/A   Overcast
8:02 AM 28.4 °F - 26.6 °F 93% 29.95 in 3.0 mi Calm Calm - N/A   Overcast
8:53 AM 28.0 °F 20.0 °F 26.1 °F 92% 29.99 in 4.0 mi North 8.1 mph - N/A   Overcast
9:08 AM 26.6 °F 16.2 °F 24.8 °F 93% 29.97 in 1.8 mi North 11.5 mph - N/A   Overcast
9:15 AM 26.6 °F 18.2 °F 24.8 °F 93% 29.97 in 1.5 mi North 8.1 mph - 0.00 in Rain Light Freezing Rain
9:53 AM 27.0 °F 20.5 °F 24.1 °F 89% 29.99 in 1.5 mi North 5.8 mph - 0.00 in Rain Light Freezing Rain
10:20 AM 26.6 °F 16.8 °F 23.0 °F 86% 29.98 in 2.0 mi North 10.4 mph - 0.00 in Rain Light Freezing Rain
10:29 AM 26.6 °F 18.2 °F 24.8 °F 93% 29.99 in 2.0 mi North 8.1 mph - 0.00 in   Overcast
10:48 AM 26.6 °F 17.5 °F 23.0 °F 86% 29.98 in 4.0 mi North 9.2 mph - 0.00 in   Overcast
10:53 AM 26.1 °F 17.6 °F 23.0 °F 88% 30.01 in 4.0 mi North 8.1 mph - 0.00 in   Overcast
10:59 AM 26.6 °F 19.1 °F 24.8 °F 93% 29.98 in 4.0 mi NNE 6.9 mph - N/A   Overcast
11:36 AM 28.4 °F 21.2 °F 24.8 °F 86% 29.98 in 5.0 mi North 6.9 mph - N/A   Overcast
11:53 AM 28.0 °F 20.8 °F 25.0 °F 88% 30.00 in 5.0 mi North 6.9 mph - N/A   Overcast
12:17 PM 28.4 °F 20.4 °F 24.8 °F 86% 29.98 in 6.0 mi North 8.1 mph - N/A   Overcast
12:53 PM 28.9 °F 22.8 °F 25.0 °F 85% 30.00 in 7.0 mi North 5.8 mph - N/A   Overcast
1:53 PM 30.0 °F 24.1 °F 26.1 °F 85% 30.01 in 6.0 mi NNE 5.8 mph - N/A   Overcast
2:31 PM 30.2 °F 26.7 °F 26.6 °F 86% 30.00 in 7.0 mi North 3.5 mph - N/A   Overcast
2:53 PM 30.9 °F 25.2 °F 25.0 °F 79% 30.04 in 10.0 mi North 5.8 mph - N/A   Overcast
3:53 PM 30.9 °F 24.3 °F 25.0 °F 79% 30.07 in 10.0 mi North 6.9 mph - N/A   Overcast
4:53 PM 32.0 °F 26.4 °F 25.0 °F 75% 30.12 in 10.0 mi North 5.8 mph - N/A   Overcast
5:53 PM 30.9 °F 26.2 °F 25.0 °F 79% 30.15 in 10.0 mi North 4.6 mph - N/A   Overcast
6:53 PM 30.9 °F - 26.1 °F 82% 30.19 in 8.0 mi Calm Calm - N/A   Overcast
7:53 PM 32.0 °F 27.5 °F 24.1 °F 73% 30.23 in 10.0 mi North 4.6 mph - N/A   Overcast
8:53 PM 32.0 °F 27.5 °F 24.1 °F 73% 30.27 in 10.0 mi North 4.6 mph - N/A   Overcast
9:53 PM 30.9 °F - 24.1 °F 76% 30.28 in 10.0 mi Calm Calm - N/A   Overcast
10:49 PM 28.4 °F 24.6 °F 23.0 °F 80% 30.28 in 10.0 mi NNW 3.5 mph - N/A   Mostly Cloudy
10:53 PM 28.9 °F - 23.0 °F 78% 30.30 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
11:53 PM 25.0 °F - 21.0 °F 85% 30.32 in 10.0 mi Calm Calm - N/A   Mostly Cloudy