322  
CDUS41 KPHI 292142  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
440 PM EST SAT DEC 29 2018  
 
   
...............................
 
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR DECEMBER 29 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 51 1232 AM 72 1984 37 14 22  
MINIMUM 43 447 AM -1 1933 21 22 11  
AVERAGE 47 29 18 17  
 
PRECIPITATION (IN)  
TODAY 0.00 1.19 1948 0.10 -0.10 T  
MONTH TO DATE 5.20 3.40 1.80 1.84  
SINCE DEC 1 5.20 3.40 1.80 1.84  
SINCE JAN 1 65.92 45.17 20.75 50.14  
 
SNOWFALL (IN)  
TODAY 0.0 4.0 1962 0.2 -0.2 T  
MONTH TO DATE T 4.7 -4.7 8.4  
SINCE DEC 1 T 4.7 -4.7 8.4  
SINCE JUL 1 8.1 5.4 2.7 8.4  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 18 36 -18 48  
MONTH TO DATE 790 942 -152 930  
SINCE DEC 1 790 942 -152 930  
SINCE JUL 1 1853 2122 -269 1843  
 
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 (320)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 10.7  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 200 AM  
LOWEST 53 100 PM  
AVERAGE 73  
   
......................................................
 
 
 
THE ALLENTOWN PA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 37 64 1984  
MINIMUM TEMPERATURE (F) 21 -2 1933  
 
 
SUNRISE AND SUNSET  
DECEMBER 29 2018......SUNRISE 725 AM EST SUNSET 443 PM EST  
DECEMBER 30 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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