465  
CDUS41 KPHI 092145  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
445 PM EST SUN DEC 9 2018  
 
   
...............................
 
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR DECEMBER 9 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 33 322 PM 66 1980 43 -10 33  
MINIMUM 20 604 AM 7 2002 26 -6 24  
1989  
AVERAGE 27 34 -7 29  
 
PRECIPITATION (IN)  
TODAY 0.00 2.05 1914 0.13 -0.13 0.31  
MONTH TO DATE 0.79 1.18 -0.39 0.53  
SINCE DEC 1 0.79 1.18 -0.39 0.53  
SINCE JAN 1 61.51 42.95 18.56 48.83  
 
SNOWFALL (IN)  
TODAY 0.0 9.1 2005 0.1 -0.1 4.9  
MONTH TO DATE T 1.1 -1.1 4.9  
SINCE DEC 1 T 1.1 -1.1 4.9  
SINCE JUL 1 8.1 1.8 6.3 4.9  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 38 31 7 36  
MONTH TO DATE 276 264 12 239  
SINCE DEC 1 276 264 12 239  
SINCE JUL 1 1339 1444 -105 1152  
 
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 7 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 7 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 2.0  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 77 300 AM  
LOWEST 47 300 PM  
AVERAGE 62  
   
......................................................
 
 
 
THE ALLENTOWN PA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 42 70 1946  
MINIMUM TEMPERATURE (F) 26 1 1958  
 
 
SUNRISE AND SUNSET  
DECEMBER 9 2018......SUNRISE 714 AM EST SUNSET 434 PM EST  
DECEMBER 10 2018......SUNRISE 715 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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