843  
CDUS41 KPHI 200554  
CLIRDG  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
1254 AM EST THU DEC 20 2018  
 
   
...............................
 
 
   
..THE READING PA CLIMATE SUMMARY FOR DECEMBER 19 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 44 249 PM 62 1929 41 3 58  
MINIMUM 21 744 AM 4 1989 25 -4 39  
AVERAGE 33 33 0 49  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.78 1977 0.10 -0.10 T  
MONTH TO DATE 1.35 2.11 -0.76 0.60  
SINCE DEC 1 1.35 2.11 -0.76 0.60  
SINCE JAN 1 64.92 42.09 22.83 42.37  
 
DEGREE DAYS  
HEATING  
YESTERDAY 32 32 0 16  
MONTH TO DATE 561 562 -1 568  
SINCE DEC 1 561 562 -1 568  
SINCE JUL 1 1598 1629 -31 1472  
 
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 8 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 10 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 2.1  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 700 AM  
LOWEST 49 200 PM  
AVERAGE 75  
   
......................................................
 
 
 
THE READING PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 40 63 1957  
MINIMUM TEMPERATURE (F) 25 0 1942  
 
 
SUNRISE AND SUNSET  
DECEMBER 20 2018......SUNRISE 723 AM EST SUNSET 440 PM EST  
DECEMBER 21 2018......SUNRISE 723 AM EST SUNSET 441 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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