218  
CDUS41 KPHI 232130  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
428 PM EST SUN DEC 23 2018  
 
   
...............................
 
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR DECEMBER 23 2018
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 44 314 PM 65 2015 38 6 49  
MINIMUM 37 516 AM -3 1960 22 15 38  
AVERAGE 41 30 11 44  
 
PRECIPITATION (IN)  
TODAY 0.00 1.56 1923 0.10 -0.10 0.92  
MONTH TO DATE 4.00 2.78 1.22 1.62  
SINCE DEC 1 4.00 2.78 1.22 1.62  
SINCE JAN 1 64.72 44.55 20.17 49.92  
 
SNOWFALL (IN)  
TODAY 0.0 5.2 1963 0.2 -0.2 0.0  
MONTH TO DATE T 3.4 -3.4 7.9  
SINCE DEC 1 T 3.4 -3.4 7.9  
SINCE JUL 1 8.1 4.1 4.0 7.9  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 24 35 -11 21  
MONTH TO DATE 637 728 -91 684  
SINCE DEC 1 637 728 -91 684  
SINCE JUL 1 1700 1908 -208 1597  
 
COOLING  
TODAY 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 22 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 8.1  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 59 500 AM  
LOWEST 49 100 PM  
AVERAGE 54  
   
......................................................
 
 
 
THE ALLENTOWN PA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 38 71 2015  
MINIMUM TEMPERATURE (F) 22 -5 1989  
 
 
SUNRISE AND SUNSET  
DECEMBER 23 2018......SUNRISE 723 AM EST SUNSET 439 PM EST  
DECEMBER 24 2018......SUNRISE 723 AM EST SUNSET 439 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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