948  
CDUS41 KPHI 272131  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
431 PM EST THU DEC 27 2018  
 
   
...............................
 
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR DECEMBER 27 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 47 250 PM 61 2016 37 10 24  
MINIMUM 27 716 AM -1 1950 21 6 15  
1948  
AVERAGE 37 29 8 20  
 
PRECIPITATION (IN)  
TODAY 0.00 1.55 1930 0.10 -0.10 0.00  
MONTH TO DATE 4.14 3.20 0.94 1.84  
SINCE DEC 1 4.14 3.20 0.94 1.84  
SINCE JAN 1 64.86 44.97 19.89 50.14  
 
SNOWFALL (IN)  
TODAY 0.0 6.0 1894 0.2 -0.2 0.0  
MONTH TO DATE T 4.2 -4.2 8.4  
SINCE DEC 1 T 4.2 -4.2 8.4  
SINCE JUL 1 8.1 4.9 3.2 8.4  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 28 36 -8 45  
MONTH TO DATE 753 870 -117 833  
SINCE DEC 1 753 870 -117 833  
SINCE JUL 1 1816 2050 -234 1746  
 
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 12 HIGHEST WIND DIRECTION SE (140)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION SE (140)  
AVERAGE WIND SPEED 3.7  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
HAZE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85 500 AM  
LOWEST 45 200 PM  
AVERAGE 65  
   
......................................................
 
 
 
THE ALLENTOWN PA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 37 63 2008  
1982  
MINIMUM TEMPERATURE (F) 21 -8 1950  
 
 
SUNRISE AND SUNSET  
DECEMBER 27 2018......SUNRISE 724 AM EST SUNSET 441 PM EST  
DECEMBER 28 2018......SUNRISE 725 AM EST SUNSET 442 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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