084  
CDUS41 KPHI 190559  
CLIRDG  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
1257 AM EST WED DEC 19 2018  
 
   
...............................
 
 
   
..THE READING PA CLIMATE SUMMARY FOR DECEMBER 18 2018
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1869 TO 2018  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 40 249 PM 64 2006 41 -1 48  
MINIMUM 23 1142 PM -3 1916 25 -2 31  
AVERAGE 32 33 -1 40  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.32 1915 0.10 -0.10 T  
MONTH TO DATE 1.35 2.01 -0.66 0.60  
SINCE DEC 1 1.35 2.01 -0.66 0.60  
SINCE JAN 1 64.92 41.99 22.93 42.37  
 
DEGREE DAYS  
HEATING  
YESTERDAY 33 32 1 25  
MONTH TO DATE 529 530 -1 552  
SINCE DEC 1 529 530 -1 552  
SINCE JUL 1 1566 1597 -31 1456  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 1302 896 406 1086    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 12.3  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 81 1100 PM  
LOWEST 40 1200 PM  
AVERAGE 61  
   
......................................................
 
 
 
THE READING PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 41 62 1929  
MINIMUM TEMPERATURE (F) 25 4 1989  
 
 
SUNRISE AND SUNSET  
DECEMBER 19 2018......SUNRISE 722 AM EST SUNSET 440 PM EST  
DECEMBER 20 2018......SUNRISE 723 AM EST SUNSET 440 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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