874  
CDUS41 KPHI 210556  
CLIRDG  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
1254 AM EST FRI DEC 21 2018  
 
   
...............................
 
 
   
..THE READING PA CLIMATE SUMMARY FOR DECEMBER 20 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 57 1159 PM 63 1957 40 17 51  
MINIMUM 23 712 AM 0 1942 25 -2 28  
AVERAGE 40 33 7 40  
 
PRECIPITATION (IN)  
YESTERDAY 0.55 2.13 1957 0.10 0.45 0.00  
MONTH TO DATE 1.90 2.21 -0.31 0.60  
SINCE DEC 1 1.90 2.21 -0.31 0.60  
SINCE JAN 1 65.47 42.19 23.28 42.37  
 
DEGREE DAYS  
HEATING  
YESTERDAY 25 32 -7 25  
MONTH TO DATE 586 594 -8 593  
SINCE DEC 1 586 594 -8 593  
SINCE JUL 1 1623 1661 -38 1497  
 
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 18 HIGHEST WIND DIRECTION SE (120)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION E (110)  
AVERAGE WIND SPEED 3.5  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FREEZING RAIN  
FOG  
HAZE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 200 AM  
LOWEST 82 1200 PM  
AVERAGE 91  
   
......................................................
 
 
 
THE READING PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 40 61 2011  
MINIMUM TEMPERATURE (F) 25 0 1942  
 
 
SUNRISE AND SUNSET  
DECEMBER 21 2018......SUNRISE 723 AM EST SUNSET 441 PM EST  
DECEMBER 22 2018......SUNRISE 724 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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