945  
CDUS41 KPHI 102136  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
435 PM EST MON DEC 10 2018  
 
   
...............................
 
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR DECEMBER 10 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 42 301 PM 70 1946 42 0 38  
MINIMUM 18 459 AM 1 1958 26 -8 14  
AVERAGE 30 34 -4 26  
 
PRECIPITATION (IN)  
TODAY 0.00 1.40 1969 0.13 -0.13 0.00  
MONTH TO DATE 0.79 1.31 -0.52 0.53  
SINCE DEC 1 0.79 1.31 -0.52 0.53  
SINCE JAN 1 61.51 43.08 18.43 48.83  
 
SNOWFALL (IN)  
TODAY 0.0 2.7 2013 0.1 -0.1 0.0  
MONTH TO DATE T 1.2 -1.2 4.9  
SINCE DEC 1 T 1.2 -1.2 4.9  
SINCE JUL 1 8.1 1.9 6.2 4.9  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 35 31 4 39  
MONTH TO DATE 311 295 16 278  
SINCE DEC 1 311 295 16 278  
SINCE JUL 1 1374 1475 -101 1191  
 
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 10 HIGHEST WIND DIRECTION N (10)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 3.6  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 81 800 AM  
LOWEST 44 400 PM  
AVERAGE 63  
   
......................................................
 
 
 
THE ALLENTOWN PA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 42 61 1979  
1952  
MINIMUM TEMPERATURE (F) 25 -2 1958  
 
 
SUNRISE AND SUNSET  
DECEMBER 10 2018......SUNRISE 715 AM EST SUNSET 434 PM EST  
DECEMBER 11 2018......SUNRISE 715 AM EST SUNSET 435 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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