371  
CDUS41 KLWX 202124  
CLIHGR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
424 PM EST THU DEC 20 2018  
 
   
...............................
 
 
   
..THE HAGERSTOWN MD CLIMATE SUMMARY FOR DECEMBER 20 2018
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1998 TO 2018  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 39 144 PM MM MM 40 -1 52  
MINIMUM 27 638 AM MM MM 25 2 33  
AVERAGE 33 33 0 43  
 
PRECIPITATION (IN)  
TODAY 0.03 MM MM 0.09 -0.06 0.00  
MONTH TO DATE 2.51 1.98 0.53 0.33  
SINCE DEC 1 2.51 1.98 0.53 0.33  
SINCE JAN 1 53.67 38.38 15.29 32.55  
 
DEGREE DAYS  
HEATING  
TODAY 32 32 0 22  
MONTH TO DATE 555 592 -37 523  
SINCE DEC 1 555 592 -37 523  
SINCE JUL 1 1522 1597 -75 1304  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 1574 969 605 1333    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION N (20)  
AVERAGE WIND SPEED 4.0  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
HAZE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85 100 AM  
LOWEST 75 1100 AM  
AVERAGE 80  
   
......................................................
 
 
 
THE HAGERSTOWN MD CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 40 MM MM  
MINIMUM TEMPERATURE (F) 25 MM MM  
 
 
SUNRISE AND SUNSET  
DECEMBER 20 2018......SUNRISE 728 AM EST SUNSET 449 PM EST  
DECEMBER 21 2018......SUNRISE 728 AM EST SUNSET 450 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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