121  
CDUS41 KPHI 130556  
CLIRDG  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
1255 AM EST THU DEC 13 2018  
 
   
...............................
 
 
   
..THE READING PA CLIMATE SUMMARY FOR DECEMBER 12 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 43 235 PM 68 1911 43 0 43  
MINIMUM 29 744 AM 1 1977 27 2 20  
AVERAGE 36 35 1 32  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.39 1959 0.12 -0.12 0.00  
MONTH TO DATE 0.67 1.40 -0.73 0.52  
SINCE DEC 1 0.67 1.40 -0.73 0.52  
SINCE JAN 1 64.24 41.38 22.86 42.29  
 
DEGREE DAYS  
HEATING  
YESTERDAY 29 30 -1 33  
MONTH TO DATE 377 342 35 337  
SINCE DEC 1 377 342 35 337  
SINCE JUL 1 1414 1409 5 1241  
 
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 13 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 4.4  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85 900 PM  
LOWEST 51 300 PM  
AVERAGE 68  
   
......................................................
 
 
 
THE READING PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 42 68 2015  
MINIMUM TEMPERATURE (F) 27 4 1988  
 
 
SUNRISE AND SUNSET  
DECEMBER 13 2018......SUNRISE 718 AM EST SUNSET 438 PM EST  
DECEMBER 14 2018......SUNRISE 719 AM EST SUNSET 438 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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