065  
CDUS41 KPHI 172128  
CLIRDG  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
426 PM EST SUN DEC 17 2017  
 
   
...............................
 
 
   
..THE READING PA CLIMATE SUMMARY FOR DECEMBER 17 2017
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1869 TO 2017  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 39 259 PM 62 2000 41 -2 34  
1971  
MINIMUM 28 741 AM 2 1919 26 2 24  
AVERAGE 34 33 1 29  
 
PRECIPITATION (IN)  
TODAY 0.00 1.92 1888 0.10 -0.10 0.33  
MONTH TO DATE 0.60 1.91 -1.31 1.58  
SINCE DEC 1 0.60 1.91 -1.31 1.58  
SINCE JAN 1 42.37 41.89 0.48 34.27  
 
DEGREE DAYS  
HEATING  
TODAY 31 32 -1 36  
MONTH TO DATE 527 498 29 504  
SINCE DEC 1 527 498 29 504  
SINCE JUL 1 1431 1565 -134 1358  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 1086 896 190 1356    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 6 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 7 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 2.0  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 500 AM  
LOWEST 64 200 PM  
AVERAGE 78  
   
......................................................
 
 
 
THE READING PA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 41 64 2006  
MINIMUM TEMPERATURE (F) 25 0 1919  
 
 
SUNRISE AND SUNSET  
DECEMBER 17 2017......SUNRISE 721 AM EST SUNSET 439 PM EST  
DECEMBER 18 2017......SUNRISE 722 AM EST SUNSET 439 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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