074  
CDUS41 KPHI 120601  
CLIRDG  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
101 AM EST TUE DEC 12 2017  
 
   
...............................
 
 
   
..THE READING PA CLIMATE SUMMARY FOR DECEMBER 11 2017
 
 
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)  
YESTERDAY  
MAXIMUM 40 135 PM 66 1911 43 -3 34  
MINIMUM 30 802 AM 5 1904 27 3 22  
AVERAGE 35 35 0 28  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.90 1992 0.11 -0.11 T  
MONTH TO DATE 0.52 1.28 -0.76 0.71  
SINCE DEC 1 0.52 1.28 -0.76 0.71  
SINCE JAN 1 42.29 41.26 1.03 33.40  
 
DEGREE DAYS  
HEATING  
YESTERDAY 30 30 0 37  
MONTH TO DATE 304 312 -8 292  
SINCE DEC 1 304 312 -8 292  
SINCE JUL 1 1208 1379 -171 1146  
 
COOLING  
YESTERDAY 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 16 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 5.6  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 72 700 AM  
LOWEST 54 1200 PM  
AVERAGE 63  
   
......................................................
 
 
 
THE READING PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 43 66 1911  
MINIMUM TEMPERATURE (F) 27 1 1977  
 
 
SUNRISE AND SUNSET  
DECEMBER 12 2017......SUNRISE 718 AM EST SUNSET 438 PM EST  
DECEMBER 13 2017......SUNRISE 718 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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