661  
CDUS41 KLWX 120540  
CLIMRB  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
1240 AM EST TUE DEC 12 2017  
 
   
...............................
 
 
   
..THE MARTINSBURG WV CLIMATE SUMMARY FOR DECEMBER 11 2017
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1926 TO 2017  
 
WEATHER ITEM OBSERVED TIME NORMAL DEPARTURE LAST  
VALUE (LST) VALUE FROM YEAR  
NORMAL    
..................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 46 157 PM 44 2 36  
MINIMUM 30 816 AM 27 3 22  
AVERAGE 38 35 3 29  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.10 -0.10 0.01  
MONTH TO DATE 0.22 1.13 -0.91 1.05  
SINCE DEC 1 0.22 1.13 -0.91 1.05  
SINCE JAN 1 34.88 37.12 -2.24 24.29  
 
DEGREE DAYS  
HEATING  
YESTERDAY 27 30 -3 36  
MONTH TO DATE 288 311 -23 300  
SINCE DEC 1 288 311 -23 300  
SINCE JUL 1 1174 1381 -207 1104  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 1074 895 179 1296    
..................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 4.7  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 69 1200 AM  
LOWEST 37 200 PM  
AVERAGE 53  
   
......................................................
 
 
 
THE MARTINSBURG WV CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 44 74 1979  
MINIMUM TEMPERATURE (F) 26 3 1988  
 
 
SUNRISE AND SUNSET  
DECEMBER 12 2017......SUNRISE 723 AM EST SUNSET 449 PM EST  
DECEMBER 13 2017......SUNRISE 724 AM EST SUNSET 449 PM EST  
 
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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