456  
CDUS41 KPHI 270600  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
1258 AM EST THU DEC 27 2018  
 
   
...............................
 
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR DECEMBER 26 2018
 
 
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)  
YESTERDAY  
MAXIMUM 44 225 PM 65 1964 38 6 27  
MINIMUM 28 512 AM -3 1980 21 7 19  
AVERAGE 36 29 7 23  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.39 1975 0.10 -0.10 0.00  
MONTH TO DATE 4.14 3.10 1.04 1.84  
SINCE DEC 1 4.14 3.10 1.04 1.84  
SINCE JAN 1 64.86 44.87 19.99 50.14  
 
SNOWFALL (IN)  
YESTERDAY 0.0 9.0 1969 0.2 -0.2 0.0  
MONTH TO DATE T 4.0 -4.0 8.4  
SINCE DEC 1 T 4.0 -4.0 8.4  
SINCE JUL 1 8.1 4.7 3.4 8.4  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 29 36 -7 42  
MONTH TO DATE 725 834 -109 788  
SINCE DEC 1 725 834 -109 788  
SINCE JUL 1 1788 2014 -226 1701  
 
COOLING  
YESTERDAY 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 NW (300)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 5.1  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 75 600 AM  
LOWEST 50 1100 AM  
AVERAGE 63  
   
......................................................
 
 
 
THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 37 61 2016  
MINIMUM TEMPERATURE (F) 21 -1 1950  
1948  
 
 
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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