354  
CDUS41 KPHI 302127  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
427 PM EST SUN DEC 30 2018  
 
   
...............................
 
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR DECEMBER 30 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 42 256 PM 64 1984 37 5 24  
MINIMUM 35 557 AM -2 1933 21 14 14  
AVERAGE 39 29 10 19  
 
PRECIPITATION (IN)  
TODAY T 1.59 1948 0.09 -0.09 0.04  
MONTH TO DATE 5.20 3.49 1.71 1.88  
SINCE DEC 1 5.20 3.49 1.71 1.88  
SINCE JAN 1 65.92 45.26 20.66 50.18  
 
SNOWFALL (IN)  
TODAY T 5.7 2000 0.3 -0.3 1.2  
MONTH TO DATE T 5.0 -5.0 9.6  
SINCE DEC 1 T 5.0 -5.0 9.6  
SINCE JUL 1 8.1 5.7 2.4 9.6  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 26 36 -10 46  
MONTH TO DATE 819 978 -159 976  
SINCE DEC 1 819 978 -159 976  
SINCE JUL 1 1882 2158 -276 1889  
 
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 13 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 5.2  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT SNOW  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 76 100 AM  
LOWEST 57 300 PM  
AVERAGE 67  
   
......................................................
 
 
 
THE ALLENTOWN PA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 37 61 1972  
1965  
1932  
MINIMUM TEMPERATURE (F) 21 -6 1963  
 
 
SUNRISE AND SUNSET  
DECEMBER 30 2018......SUNRISE 725 AM EST SUNSET 444 PM EST  
DECEMBER 31 2018......SUNRISE 725 AM EST SUNSET 444 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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