584  
CDUS41 KPHI 080552  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
1251 AM EST SAT DEC 8 2018  
 
   
...............................
 
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR DECEMBER 7 2018
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1922 TO 2018  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 38 133 AM 71 1998 43 -5 45  
MINIMUM 21 1151 PM 4 1926 27 -6 24  
AVERAGE 30 35 -5 35  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.72 2011 0.13 -0.13 T  
MONTH TO DATE 0.79 0.92 -0.13 0.22  
SINCE DEC 1 0.79 0.92 -0.13 0.22  
SINCE JAN 1 61.51 42.69 18.82 48.52  
 
SNOWFALL (IN)  
YESTERDAY 0.0 1.0 1949 0.1 -0.1 T  
MONTH TO DATE T 0.8 -0.8 T  
SINCE DEC 1 T 0.8 -0.8 T  
SINCE JUL 1 8.1 1.5 6.6 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 35 30 5 30  
MONTH TO DATE 200 203 -3 170  
SINCE DEC 1 200 203 -3 170  
SINCE JUL 1 1263 1383 -120 1083  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 1287 757 530 1004    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 8.8  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 70 400 AM  
LOWEST 35 1200 PM  
AVERAGE 53  
   
......................................................
 
 
 
THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 43 67 1980  
MINIMUM TEMPERATURE (F) 26 3 1926  
 
 
SUNRISE AND SUNSET  
DECEMBER 8 2018......SUNRISE 713 AM EST SUNSET 434 PM EST  
DECEMBER 9 2018......SUNRISE 714 AM EST SUNSET 434 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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