903  
CDUS41 KLWX 180540  
CLIMRB  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
1240 AM EST MON DEC 18 2023  
   
...............................
 
 
   
..THE MARTINSBURG WV CLIMATE SUMMARY FOR DECEMBER 17 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1891 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 49 11:59 PM 72 1984 44 5 42  
MINIMUM 33 2:43 AM -5 1951 27 6 33  
AVERAGE 41 36 5 38  
 
PRECIPITATION (IN)  
YESTERDAY 1.31 1.55 1906 0.09 1.22 T  
MONTH TO DATE 2.77 1.78 0.99 2.10  
SINCE DEC 1 2.77 1.78 0.99 2.10  
SINCE JAN 1 26.59 37.75 -11.16 37.95  
 
DEGREE DAYS  
HEATING  
YESTERDAY 24 30 -6 27  
MONTH TO DATE 426 471 -45 460  
SINCE DEC 1 426 471 -45 460  
SINCE JUL 1 1501 1466 35 1440  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 754 1012 -258 1033    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION N (360)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 4.4  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 8:00 AM  
LOWEST 70 12:00 AM  
AVERAGE 85  
   
......................................................
 
 
THE MARTINSBURG WV CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 44 69 2006  
MINIMUM TEMPERATURE (F) 27 -1 1914  
 
SUNRISE AND SUNSET  
DECEMBER 18 2023......SUNRISE 7:27 AM EST SUNSET 4:50 PM EST  
DECEMBER 19 2023......SUNRISE 7:27 AM EST SUNSET 4:51 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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