564  
CDUS41 KPHI 040555  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
1252 AM EST TUE DEC 4 2018  
 
   
...............................
 
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR DECEMBER 3 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 53 1023 AM 66 1998 45 8 48  
MINIMUM 42 1125 PM 8 1976 28 14 27  
AVERAGE 48 36 12 38  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.49 1990 0.14 -0.14 0.00  
MONTH TO DATE 0.79 0.40 0.39 T  
SINCE DEC 1 0.79 0.40 0.39 T  
SINCE JAN 1 61.51 42.17 19.34 48.30  
 
SNOWFALL (IN)  
YESTERDAY 0.0 5.5 1929 0.1 -0.1 0.0  
MONTH TO DATE 0.0 0.3 -0.3 0.0  
SINCE DEC 1 0.0 0.3 -0.3 0.0  
SINCE JUL 1 8.1 1.0 7.1 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 17 29 -12 27  
MONTH TO DATE 63 85 -22 78  
SINCE DEC 1 63 85 -22 78  
SINCE JUL 1 1126 1265 -139 991  
 
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 23 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 9.0  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 500 AM  
LOWEST 50 1100 AM  
AVERAGE 72  
   
......................................................
 
 
 
THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 45 72 1998  
MINIMUM TEMPERATURE (F) 27 8 1966  
1940  
 
 
SUNRISE AND SUNSET  
DECEMBER 4 2018......SUNRISE 709 AM EST SUNSET 435 PM EST  
DECEMBER 5 2018......SUNRISE 710 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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