068  
CDUS41 KPHI 222131  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
430 PM EST SAT DEC 22 2018  
 
   
...............................
 
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR DECEMBER 22 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 57 1212 AM 65 2013 38 19 46  
MINIMUM 42 1024 AM -2 1944 22 20 33  
AVERAGE 50 30 20 40  
 
PRECIPITATION (IN)  
TODAY 0.10 1.36 1983 0.11 -0.01 0.00  
MONTH TO DATE 4.00 2.68 1.32 0.70  
SINCE DEC 1 4.00 2.68 1.32 0.70  
SINCE JAN 1 64.72 44.45 20.27 49.00  
 
SNOWFALL (IN)  
TODAY 0.0 2.3 1969 0.2 -0.2 0.0  
MONTH TO DATE T 3.2 -3.2 7.9  
SINCE DEC 1 T 3.2 -3.2 7.9  
SINCE JUL 1 8.1 3.9 4.2 7.9  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 15 35 -20 25  
MONTH TO DATE 611 693 -82 663  
SINCE DEC 1 611 693 -82 663  
SINCE JUL 1 1674 1873 -199 1576  
 
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 28 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 15.9  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
RAIN  
LIGHT RAIN  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 71 400 AM  
LOWEST 53 300 PM  
AVERAGE 62  
   
......................................................
 
 
 
THE ALLENTOWN PA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 38 65 2015  
MINIMUM TEMPERATURE (F) 22 -3 1960  
 
 
SUNRISE AND SUNSET  
DECEMBER 22 2018......SUNRISE 723 AM EST SUNSET 438 PM EST  
DECEMBER 23 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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